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TOPSIS-Based Multi-Criteria Optimization of WAAM Parameters for Automotive Component Fabrication2026-28-0026To be published on 02/01/2026
Wire Arc Additive Manufacturing (WAAM) can make huge, complicated metal parts quickly and cheaply, making it popular in the automobile sector. This study uses TOPSIS, a multi-criteria decision-making method, to improve WAAM process parameters such wire feed rate, travel speed, and current. Automotive applications need surface roughness, deposition rate, and dimensional precision, which WAAM-fabricated components must meet. TOPSIS normalizes and ranks experimental findings to find parameter combinations that perform best across many quality metrics. The results show that integrated optimization improves component quality and consistency, making WAAM a feasible and economical sustainable vehicle manufacturing option.
Pasupuleti, Thejasree
Ergonomically Enhanced Loop Frame Bicycle Featuring a Modular Carrier-Cum-Stand System2026-28-0003To be published on 02/01/2026
This project introduces an ergonomically enhanced loop frame bicycle integrated with a modular carrier-cum-stand system, designed to improve accessibility, comfort, and practicality for everyday users. Bicycles remain a cost-effective, eco-friendly, and health-conscious mode of transportation, widely adopted by students, delivery personnel, commuters, and fitness enthusiasts in both rural and urban settings. The loop frame design simplifies mounting and dismounting, particularly benefiting elderly users and women by promoting greater accessibility and comfort. The key innovation is the multi-functional rear carrier, which incorporates foldable arms that serve as a stable stand when deployed. This eliminates the need for a traditional side stand, thereby reducing both weight and cost while enhancing stability during parking. For design and simulation, CATIA V5 was utilized for 3D modelling of the frame and carrier mechanism, UG NX (Siemens NX) enabled detailed part modelling and
S, Naveenkumar
Optimization of Gear Design for Efficiency and Durability2026-28-0011To be published on 02/01/2026
Gears are the most common machine part used to transmit rotational motion and torque using a series of teeth that engage with compatible teeth of another gear or other part. Optimizing the working mechanism of the gear improves the efficiency of the machinery and improves the overall capability of the mechanism. Gear designs are directly influenced by constraints like strength, pitting resistance, tooth profile, bending stress, weight, and centre distance. Traditional optimization techniques often fail to yield optimal results so a genetic algorithm is employed to enhance the gear performance. Genetic algorithms are computational techniques derived from the principles of natural selection and evolution making them well-suited for optimization problems. Genetic algorithms are usually utilized to identify performance metrics and optimize them. Keywords: Genetic Algorithm, helix angle, crossover, Pareto solution, real-valued vectors, hyper parameters, hybridised algorithms
Kumar, Anush, A, Birla, Ramshree Dhashvanth, R, Bhaskara Rao, Lokavarapu
Microcontroller-based modular mirror for Heavy and Mid commercial vehicles2026-26-0018To be published on 01/16/2026
Existing ICE Mid and Heavy commercial vehicles in the Indian and international market are recording a large number of mishaps due to blind spots and non accessibility of the driver to the opposite side mirror in real-time driving. Non-driver side rear view mirror adjustment creates the need for the driver to get down and adjust the mirror manually/ get support from the co-passenger. The paper proposes a solution for a Microcontroller-based compact mirror adjustment system, which will run with minimal economy and highest efficiency. This will assist drivers in aesthetically and safely monitoring of mirror to check on specific blind spots in day conditions. Mirror will be actuated via a Modular control panel, a Dashboard with audio input or button-operated system based on vehicle type and customer need, along with a quick response mechanism to operate the mirror. This will reduce the prone accidents due to non-visibility by approximately 30%, ensuring enhanced road safety and driver
Jambagi, Vaibhavi Vyankatesh, Gangvekar, Onkar, Bhandari, Kiran Kamlakar
Model Based Design of Gear Shift Control for Twin Clutch AMT2026-26-0054To be published on 01/16/2026
Model Based Design (MBD) uses mathematical modelling to create, test and refine systems in simulated environment, primarily applied in control system development. This paper discusses an approach to control gear shifting using shift logic on vehicle level for twin clutch transmission using prototype controller. Twin clutch transmission is a concept with two clutches, one at input end of the transmission called primary clutch and the other at output end of the transmission called secondary clutch. This concept is proposed to counter the challenges with conventional transmission which include increased gear shift time and effort in lower gears, potential rollback of vehicle in uphill condition and chance of missed shifts. The advantages of this concept include reduced gear shift effort and improved synchronizer life with potential for reducing the size of the synchro pack. This paper proposes a methodology to develop shift logic, integrate hardware with software, flashing and calibration
Patel, Hiral, Thambala, Prashanth, Tongaonkar, Yogesh, Mosthaf, Joerg, Malpure, Khushal
Analysis of Door Seal Compression and its Influence on NVH Performance in Heavy-Duty Vehicle2026-26-0339To be published on 01/16/2026
Seals in a truck cabin is one of the major contributors for cabin noise in terms of structure borne as well as air borne noise transfer path. This study emphasizes on the effect of door seal compression prediction and its impact on structure borne NVH in trucks. Vibrations are regarded as quality criteria in the perception of customers. It is necessary to ascertain the contribution of seal stiffness on compression of the seal under closed condition of the door rather than uncompressed conditions. The dynamic stiffness of door seal is calculated by non-linear analysis. The simulations models are constructed using the Mooney - Rivlin theory for both 2D and 3D seals. This encompasses contemplating the relevant seal mounted boundary condition on the body and the door of the vehicle. The stiffness after compression of seal is extracted from this non-linear analysis which is further used to obtain the vibration modes for the doors in the truck cabin. Subsequently, the compressed seal
L, Kavya, Ramanathan, Vijay
A Novel Approach to Optimal Strain Gauge Placement for Structural Assessment: Integrating Close Looping Configuration with Calibration Techniques2026-26-0551To be published on 01/16/2026
Addressing the challenge of optimal strain gauge placement on complex structural joints and pipes, this research introduces a novel methodology combining strategic gauge configurations with numerical optimization techniques. Traditional methods often struggle to accurately capture combined loading states and real-world complexities, leading to measurement errors and flawed structural assessments. For intricate joints, a looping strain gauge configuration is proposed to comprehensively capture both bending and torsional effects, preventing the bypassing of applied loads. A calibration technique is used to create strain distribution matrices and access structural behavior under different loading conditions. Optimization algorithms are then applied to identify gauge placements that yield well-conditioned matrices, minimizing measurement errors and enhancing data reliability. This approach offers a cost-effective solution by reducing the number of gauges required for accurate stress
Shingate, Uttam, Yadav, Dnyaneshwar, Deshpande, Onkar
Optimization of Electric Drive Unit Mounting for Vibration Isolation in EV Powertrains Using Multibody Dynamics2026-26-0080To be published on 01/16/2026
With growing significance of electric vehicles (EVs), their powertrains—while naturally quieter than internal combustion engine (ICE) powertrains—pose new NVH (Noise, Vibration, Harshness) challenges. These are triggered mainly from high-frequency disturbances caused by electric motors and gear interactions. Isolation of such excitations is essential for securing cabin refinement and customer expectations for acoustic comfort. This paper offers a simulation-based approach to optimal placement of the electric drive unit (EDU), which houses the electric motor and gearbox, with the objective of reducing vibration transfer to the chassis of the vehicle. The methodology explores the effect of spatial mount repositioning under actual dynamic load conditions through multibody dynamics (MBD) modeling and integrated optimizer using advanced multibody dynamics simulation software – Virtual Dynamics. The suggested workflow helps in effective investigation of mount positioning within packaging
Shah, Swapnil, Mane, Prashant, Back PhD, Arthur, Emran, Ashraf
Efficiency Enhancement of Electric Vehicle Drivetrains through Advanced Gearbox Strategies2026-26-0053To be published on 01/16/2026
In the pursuit of sustainable mobility solutions, optimizing drivetrain efficiency has emerged as a critical factor in enhancing the overall performance, reliability, and market acceptance of electric vehicles (EVs). This study specifically focuses on achieving efficiency improvements within the gearbox system of Electric Vehicles, a major contributor to mechanical losses in the drivetrain. Key technical strategies explored include the adoption of low-viscosity lubricants, utilization of low-friction bearings, incorporation of high-efficiency oil seals, and the application of low-loss gear designs. Collectively, these enhancements aim to reduce mechanical frictional losses, leading to tangible benefits such as increased vehicle driving range, reduced energy consumption, lower carbon emissions, and decreased long-term maintenance costs. In addition to component-level improvements, the study investigates the integration of a 2-speed gearbox within electric vehicles as a system-level
Agrawal, Devesh, Bhardwaj, Abhishek, Bhandari, Kiran Kamlakar
Electro Magnetic Radiation Analysis for the Vehicle Cable and Shielding Techniques and Performance Assessment2026-26-0563To be published on 01/16/2026
This paper addresses the challenges and methodologies for evaluating radiated emissions from automotive electronic systems, which is critical for achieving electromagnetic interference and compatibility (EMI/EMC) standards. The rapid integration of advanced electronic components in modern vehicles has transformed automotive systems, their potential to generate electromagnetic interference (EMI) becomes a significant concern, particularly due to its impact on vital communication and safety systems. The study mainly investigates radiated EMI, which is the unintentional emission of electromagnetic energy emitted by HV cables in the wiring harness layout, potentially disrupting the operation of nearby systems. This study utilized CST Studio Suite to analyse the electromagnetic behaviour of vertically and horizontally polarized antenna configuration in electric vehicles. The simulated results are benchmarked against international EMI/EMC standards such as CISPR-12 and CISPR-25, which
MANUELRAJ, MASILAMANI, prasad PhD, Suryanarayana, Narayanan, Siva Suriya
3D Transient CHT Simulation of Frictional Heating in Jet-Lubricated Automotive Gears2026-26-0468To be published on 01/16/2026
Gears play a critical role in automotive transmission systems. During operation, frictional heat is generated in the intermeshing region due to loading. Effective lubrication and cooling are essential to minimize heat generation and ensure smooth operation. Lubrication failure can lead to a significant local temperature rise, potentially causing gear scuffing—a phenomenon where intermeshed gear teeth weld together and tear apart during rotation—resulting in severe damage and compromised transmission performance. To prevent this, gears are typically lubricated using splash or jet lubrication techniques. This study presents a Conjugate Heat Transfer (CHT) simulation of a jet-lubricated gear pair in an automotive transmission system to predict the local temperature rise due to frictional heating in the intermeshing region of the gears. The paper focuses on implementation of the frictional heat generation on the gear teeth and resultant transient temperature rise in the gear contact region
Ballani, Abhishek, Vartanian, Aleksandr, Schlautman, Jeff, Raj, Gowtham, Srinivasan, Chiranth, Maiti, Dipak
High-Performance Computing for Software-Defined EV Powertrains: Design and Real-Time Validation with NXP S32E278 Domain Controller2026-26-0684To be published on 01/16/2026
Software-Defined Vehicles (SDVs) are redefining the automotive landscape by decoupling hardware from software and enabling dynamic, over-the-air updates, advanced control strategies, and real-time decision-making. To support this transformation, EV powertrain systems require high-performance computing (HPC) platforms capable of real-time control, data processing, and cross-domain communication. This paper introduces a fully SDV-compatible EV powertrain architecture built around the NXP S32E278 domain controller, which integrates a multi-core, lockstep-enabled processor specifically designed for zonal control and automotive functional safety. To meet the bandwidth and latency demands of modern SDV applications, the system replaces conventional CAN-based communication with automotive Ethernet, enabling gigabit data transfer, Time-Sensitive Networking (TSN), and low-latency coordination across software-defined control domains. The S32E executes critical functions such as field-oriented
Pawar, Ganesh, Inamdar, Sumer Deepak, Kumar, Mayank, Deosarkar, Pankaj, Tayade, Nikhil, Kanse, Dattatray, Chopade, Vipul
Hypoid Gear Performance Redefined: Addressing Scoring and Whine Noise Concerns2026-26-0078To be published on 01/16/2026
Rear drive vehicles transfer power to the rear wheels through the Gear Carrier Assembly, which is fit at the central section of the Rear Axle. The Gear Carrier Assembly includes hypoid ring and pinion gears, set at the heart of the system. However, gear scoring and whine noise frequently emerge as critical challenges, leading to reduced durability and compromised performance of the vehicle. This study focuses on the design and process improvements aimed at addressing these concerns while enhancing the overall performance and reliability of hypoid gears. Design enhancements include macro geometry refinements, material upgrades, and modifications in the heat treatment process. These changes improved key mechanical properties such as contact stress, bending strength, impact strength, and motion transmission error (MTE). Process optimizations involved precise control over carburizing, hardening, and quenching temperatures, as well as adjustments in quenching pressure. These measures
Praveen, Abhinav, Deshpande, Praveen, Jain, Saurabh Kumar, Parmar, Mayur, Karle, Nilesh, Kanagaraj, Pothiraj, Pagar, Pawan
Multispeed EV Transmission – Gear Shift Simulation and Validation2026-26-0157To be published on 01/16/2026
The advancement of electric vehicle (EV) transmission systems is currently a prominent trend aimed at decreasing carbon emissions and providing eco-friendly transportation alternatives. Most of the EV transmissions are single speed, but research conducted on multi speed EV transmissions show higher efficiency, good performance, high speed and torque demand when compared with single speed counterparts. Most of the multi speed EV transmissions that are developed are of non-synchromesh type, which have direct effect on NVH, driving dynamics and durability of drivetrain components. Due to aforementioned factors, gearshift analysis becomes critical for development. Simulation model is developed at early development phase for initial feedback. Using the feedback, drivetrain can be optimized furthermore and test on physical parts can be conducted for final verification. This paper provides a simulation based approach for modelling non-synchromesh two speed EV transmission using Simulation X
Kansagara, Smit, Thambala, Prashanth, Sutar, Suresh, Todtermuschke, Karsten, Patel, Hiral
A Comprehensive Analysis of Sealing Methods for EV Battery Packs: Trends and Insights.2026-26-0180To be published on 01/16/2026
The widespread adoption of electric vehicles (EVs) has brought about unique engineering challenges, particularly in the design of battery packs, which are central to vehicle performance, safety, and longevity. One critical requirement is maintaining ingress protection (IP) ratings of IP67 or higher to safeguard against water and dust exposure. These ratings are essential to ensure compliance with homologation standards and to meet the demands of diverse terrains and operating conditions. Achieving effective sealing of EV battery packs is thus a key aspect of their design and engineering. This study presents an in-depth analysis of sealing technologies employed in EV battery packs, focusing on four primary types: Adhesive-based sealants, Cure-In-Place Gaskets (CIPG), Foam Cut seals, and Rubber Gaskets. Benchmarking data gathered from more than 90 vehicle models across 20+ brands provide insights into adoption trends, historical shifts, evolution and interface requirements of different
Varambally, Vishakha, Sithick basha, Abubakker, Chalumuru, Madhu, Yaser, K U Syed, Sasikumar, K
Investigating the Effect of Aperture Flange Curvature on Tailgate Seal Bulb Height: A CAE-Based Approach2026-26-0416To be published on 01/16/2026
Water leakage is a common issue in vehicles, especially during water testing. It often occurs due to a gap between the seal bulb and the closure panel. This gap can result from variations in flange angle, flange curvature, closure surface, or seal bulb height. This study focused on how flange curvature affects seal bulb height and sealing performance. A Computer-Aided Engineering (CAE) method was used, supported by tests on physical samples. Multiple simulations were done using different flange curvatures. Results showed that with a constant flange angle of 150°, increasing the flange radius reduced seal bulb deformation. The optimal radius was 250 mm, where the bulb compression was 1.1 mm. Sharp or tight flanges caused the bulb to deform more, reducing contact and sealing force. To reduce this deformation, a hollow tube was inserted inside the seal bulb. The hollow tube used had an internal diameter of 10 mm and an external diameter of 12 mm. With the hollow tube, the optimum flange
Kumar, Saurav, Neelam, Rajat, Chowdhury, Ashok, Panchal, Girish, Lathwal, Sandeep
Method and System of Detecting Obstacle Around Vehicle Door2026-26-0026To be published on 01/16/2026
Modern vehicles are equipped with numerous safety systems focused primarily on active and passive crash protection, but less attention is given to low-speed or stationary scenarios: particularly when occupants exits the vehicle. One common and often underestimated risk occurs when the vehicle door is opened without awareness of nearby obstacles such as walls, poles, or other vehicles. This paper introduces a novel, intelligent solution aimed at enhancing safety during driver egress. The proposed system leverages the existing ORVM (Outside Rear View Mirror) cameras to monitor and measure the surface area adjacent to the vehicle. When the vehicle is parked and the engine is turned off, the system becomes active. As the driver initiates the exit, the system scans for obstructions near the door. If an obstacle is detected within a predefined danger zone, it projects a warning symbol on the Instrument cluster via the puddle lamp and triggers an audible chime to alert the occupant. This dual
Bhuyan, Anurag, Khandekar, Dhiraj, Jahagirdar, Shweta
Lightweight AI Deployment for Legacy Automotive ECUs: A Practical Optimization Approach2026-26-0663To be published on 01/16/2026
Automotive systems are increasing adopting data-driven and intelligent functionality in the areas of predictive maintenance, virtual sensors and diagnostics. This has led to a need for the AI models to be directly run on vehicle ECUs. However, most of these ECUs – especially those in cost-sensitive or legacy platforms lack the computational capacity and parallel processing support required for standard AI implementations. Given the stringent real-time and reliability requirements in automotive environments, deploying such models presents a unique challenge. This paper proposes a practical methodology to optimize both the training and deployment phases of AI models for low-computation ECUs that operate without parallelism. Designing lightweight model architectures, using pruning and quantization techniques to minimize resource utilization, and putting in place a strategy appropriate for single-threaded execution are the three main objectives of the developed approach. The goal is to
Sharma, Sahil, Mathew, Melvin John
Optimized Panel Design for Reducing Seal Squeak and Chucking in Door & Body Seals2026-26-0341To be published on 01/16/2026
Quieter cabins in an automobile are the new era, they provide customers with pleasurable driving experience. Squeak and Rattle are spoil sport for any OEM that aim to improvise customer driving experience. Their nonlinear nature makes it difficult to formulate design frontloading methods. The issue of seals rubbing against the body & door interface is a clear sign of seal squeak & seal chucking. Seals are applied with anti-friction coatings to avoid stick slip phenomena between EPDM and painted panel. Primary root cause for seal squeak is coating erosion. The challenge lies in determining whether the body or the closure side contributes to the seal issue. This paper presents a distinctive approach for identifying the seal squeaking noise and enriches on the new modelling methods for seal interaction with door and body interfaces using FE software. The proposed method was able to highlight the locations along the door-body interface for squeak noise. The approach for reducing the
H, RAVISHANKAR, C M, MITHUN, MICHAEL STEPHAN, NAVIN ESTAC RAJA, Mohammed, Riyazuddin
Rear Wiper Motor with Nozzle Integration for Improved wiping performance and Perceived Quality2026-26-0600To be published on 01/16/2026
In the current modern days of driving, rear wiping performance plays a crucial role in safe driving. This study focuses on improving the rear wiping with add on benefits like improved BSR performance, cost saving and perceived quality. This new concept has the rear wiper motor assembly which accommodates the nozzle also thereby making it a single unified assembly with reduced system complexity. This concept eliminates the complex hose routing of washer system for rear wiping which is usually packaged at spoiler or HMSL. It also helps in improved spray coverage and reduced dry wiping which in turn enhances system reliability with clean & quiet operation. This integrated nozzle concept is much more compact than the available products in the market with minimum number of end items. Also, this design comes with non-return valve which ensures there is no delay in the spray execution. And it improves the cleaning efficiency by maintaining consistent fluid pressure. This concept comes with
Dhage, Prashant, K, NAGARAJAN, G, Sabari Rajan
Enhanced Methodologies for predicting Automotive Wheel Bearing life and damage using RLDA2026-26-0482To be published on 01/16/2026
The durability of wheel bearings is assessed in terms of raceway life and flange life. Raceway life focuses on the performance and damage tolerance of rolling elements, while flange life evaluates the structural integrity of wheel flanges under operational stresses. Traditionally, durability predictions relied on conventional design methods and analytic formulas for raceway spalling, as well as static load assumptions for flange fatigue analysis. Recently, integrating design of experiments (DOE) with traditional approaches has enhanced these methods, enabling systematic evaluation of design variables and loading conditions. This paper introduces a methodology for analysing raceway life and damage in automotive wheel bearings using RLDA (Road Load Data Acquisition) data. The process involves acquiring raw deterministic load data, filtering it to preserve high-peaked signals, and transforming the filtered data into block cycles derived from load time histories. Each block cycle contains
Narendra, Vishwanath, Mane, Yogiraj, Paua, Ketan, Singh, Ram Krishnan, Vellandi, Vikraman
Evaluation of Meshed Planets in Double-Planet Planetary Gear Set by Multibody Dynamic Approach with Help of Adams/Gear AT2026-26-0463To be published on 01/16/2026
Planetary gear systems, commonly used in automotive applications for their compact size and high reduction ratios, comprise four key components: a sun gear, planet gears, an internal annulus (or ring) gear, and a carrier. However, for compound planetaries, comprising meshed planets, the high torques generated within these gear trains can create substantial gear forces, which are then transmitted to the gear bearings. This can lead to premature failure of either the bearings or the gear teeth themselves. Therefore, accurately evaluating these loads under various operating conditions are essential for ensuring the gear train's reliability and preventing such failures. Accurate force analysis is crucial for optimizing overall gear system performance. This includes analyzing gear tooth forces, system torques and bearing loads. However, incorporating both micro and macro gear parameters into analytical calculations is extremely complex. Multibody dynamics simulation offers a powerful and
Deshmukh, Shardul, Kakade, Shriram
Power loss evaluation in 4WD axle and correlation with Testing results2026-26-0107To be published on 01/16/2026
In the tractor, the efficiency depends on the transmission system, of all the losses major contribution is given by the transmission elements. To improve the efficiency, it became crucial to monitor the areas of power losses. Power loss in transmission refers the reduction in amount of power which being generated from the engine source to the final drive elements. There are various parameters and factors influence this condition, analyzing those conditions helps in identifying & improving the higher contributing components for driveline power loss. This study presents a comparative analysis of theoretical and experimental data regarding power loss in the gear train of a 70HP 4WD front axle. The investigation incorporates theoretical power loss calculations for individual components, including the bevel gear, bearings, thrust washer and seal arrangements. To evaluate and validate the power losses in the 4WD axle, a Gear Train Endurance test was conducted in a controlled laboratory
Jayapal, Jayaraj, Mahapatra, Soumya Ranjan, Sethi, Suvendu Kumar, JOSHI, SHRIKANT, BANGE, PRASHANT
Packaging the HPTS Airbag in a Second-row bench seat2026-26-0033To be published on 01/16/2026
Seats of modern cars should necessarily meet the regulatory safety norms along with aesthetics and comfort. In the existing passenger cars prevailing across the Indian subcontinent, the measure of safety has been a challenging one. The stringent regulatory norms thereby make the Airbag very promising. In the domain of automotive safety, certain features hold exceptional importance, with airbags taking a forefront position. Their fundamental objective is to provide an advanced level of safety for both the driver and passengers in the unfortunate event of a collision. This is accomplished through the automatic deployment of an inflatable airbag, engineered to swiftly respond during a crash and furnish the necessary sophisticated cushioning to enhance overall passenger safety. The technology has been practiced widely upon a many vehicles seat. However, the present work highlights a novel approach of packaging the HPTS air bag in second row seat. This Air bag unit is fitted in the seat
Buradkar, Rajat, BOSE, KARTHIK, JADHAV, DEEPIKA, Balakrishnan, Gangadharan
Simulation based optimization of the NVH characteristics in modern high speed engine during development phase2026-26-0326To be published on 01/16/2026
Engine noise mitigation is paramount in powertrain development for enhanced performance and occupant comfort. Identifying NVH problems at the prototype stage leads to costly and time-consuming redesigns and modifications, potentially delaying the product launch. NVH simulations facilitate identification of noise and vibration sources, informing design modifications prior to physical prototyping. Early detection and resolution of NVH problems through simulation can significantly shorten the overall development cycle and multiple physical prototypes and costly redesigns. During NVH simulations, predicting and optimizing valvetrain and timing drive noise necessitates transfer of bearing, valve spring, and contact forces to NVH simulation models. Traditional simulations, involved continuous force data export and NVH model evaluation for each design variant, pose efficiency challenges. In this paper, an approach for preliminary assessment of dB level reductions across design iterations is
Rai, Ankur, Deshpande, Ajay Mahadeo, YADAV, Rakesh
Modelling and Analysis of Hypoid Gear Churning Loss in Rear Drive Axle: The Role of Oil Viscosity and Empirical Parameters2026-26-0508To be published on 01/16/2026
This definitive study investigates the variation of churning losses occurring with hypoid ring and pinion gear sets and puts primary importance to factors that determine energy dissipation in these mechanisms. A detailed investigation shows that viscosity is critical, particularly due to large temperature-dependent variations. Besides this, the study focuses on particular attention to experimental parameters derived from measured data to model churning losses. Churning Loss itself originates in the interaction between the rotation of the gears and the lubricating oil - a source of significant inefficiency within the overall drivetrain. A robust, comprehensive model has been formulated to take this into account. It does not only account for variable oil viscosity with temperature but integrates key empirical parameters that reflect observed behaviours in gear systems. The study adopts a multidimensional approach by considering the influence of various other factors. It investigates how
Khan, Aliya Javid, Praveen, Abhinav, Kanagaraj, Pothiraj, Jain, Saurabh Kumar, AP, Baaheedharan
UNIQUE HYBRID PANORAMIC HEADLINER CLIP WITH HIGH TOLERANCE TO REPLACE DUAL LOCK FASTENERS2026-26-0299To be published on 01/16/2026
Mounting strategies for vehicles with panoramic sunroofs remains a challenge owing to its high complexity to balance cost, performance and assembly efficiency. Achieving efficient and reliable headliner mounting solutions is one of the conundrums where cost optimization must go together with uncompromised performance. Traditional methods like Dual Lock Fasteners (DLFs), have set high benchmarks for robustness but at the cost of increased manufacturing complexity and expense. In pursuit of a more economical and production-friendly alternative, various plastic clip designs were explored. However, these solutions posed significant challenges during validation due to the stringent requirements for mounting feasibility, tolerance management, and long-term durability This paper introduces a novel hybrid plastic-metal clip solution that addresses those challenges comprehensively. The new design achieves precise tolerance control, ensuring reliable headliner installation under varying Body-in
D, GOWTHAM, Kumarasamy, Raj Ganesh, Shoeb, Mohd, Chauhan, Aarti
Sound quality refinement and vibration reduction during Horn Application in Electric Vehicles2026-26-0338To be published on 01/16/2026
This paper focuses on the cabin sound quality refinement and the tactile vibration reduction during horn application in the electric vehicle. Horn cracking sound is perceived in the cabin while pressing the horn. Higher vibrations are also perceived in accelerator pedal during the particular event. Sound diagnosis is carried out to identify the frequencies contributing to cracking noise. Transfer path analysis is conducted to identify the nature of noise and the predominant path through which forces transfer. Based on finding from TPA, various recommendations are evaluated which reduced the noise to a certain extent. Operational Deflection Shape(ODS) is conducted on the horn, horn mounting bracket and on the body to identify the component having higher deflection at the problematic frequencies . Based on the outcome of ODS, recommendations like dynamic stiffness improvement on the horn bracket and the body is assessed and the effect of each outcome is discussed. With all the
S, Nataraja Moorthy, Rao, Manchi, R, Ashwin sathya, S, THARAKESWARULU, Raghavendran, Prasath
Optimization of Propeller shaft design to eliminate Launch Undulation (Lateral shake) and Vibration level2026-26-0334To be published on 01/16/2026
During vehicle launches in 1st gear, a lateral shake (undulation) and a pronounced metallic hitting noise were observed in the underbody. The noise was identified as the propeller shaft's second universal joint (UJ) yoke striking the fuel tank mounting bracket. Sensitivity to these issues varied with acceleration inputs: light pedal input during a normal 1st gear launch on a flat road resulted in minimal undulation, whereas wide open throttle (WOT) conditions in 1st gear produced significant lateral shake and intensified hitting noise. Further investigation revealed that the problem persists across all gears and occurs consistently during normal driving conditions, with continuous impact between the propeller shaft yoke and the fuel tank mounting bracket. Extensive experimental measurements at the vehicle level indicated that these issues were primarily caused by the center-mounted propeller shaft joint deviating from its central position and rotating eccentrically under torque. This
Sanjay, L, S, Manickaraja, Kumar, Sarvesh, Kanagaraj, Pothiraj, Senthil Raja, T, B, Prem Prabhakar, M, Kiran
Structural analysis and Design optimization of Cylinder Head of Cummins Light duty Engine for Medium Wheelbase (MWB) pick-up truck2026-26-0495To be published on 01/16/2026
This paper presents the design, structural analysis, and risk assessment done by Cummins to evaluate the structural integrity of Light Duty engine cylinder head for a Medium Wheelbase (MWB) pick-up truck. Initially, Cummins used F2.5L (4-cylinder) engine that has 154hp, but rising market demands for more power, fuel efficiency, lower cost and weight, and future emission compliance led to customer requirements for 177hp (Drive New F2.5L, 15% uprate) and 197hp+ (Drive New F3.0L, 22% uprate) from the same base engine. The increase in power requirement possesses challenges on critical components, especially cylinder heads in terms of thermal and structural limits. This paper addresses the challenges and risks in current cylinder head design driven by new power demands, specifically reduced fatigue margins in the water jacket area and increased temperatures on the combustion face under high thermomechanical loads. It explores the design modifications made to the cylinder head design to
Pathak, Arun Jyoti, Adiverekar, Vaidehi, Singh, Rahul, Biyani, Mayur
AI-Driven Predictive Methodology for Bolt Integrity in Vehicle Durability Testing2026-26-0648To be published on 01/16/2026
The application of AI/ML techniques to predict truck tailgate bolt loosening represents a major innovation for the automotive industry, aligning with the principles of Industry 4.0. Traditional physical testing methods are both expensive and time-consuming, often identifying issues late in the development process and necessitating costly design changes and prototype builds. By harnessing AI/ML, manufacturers can now analyze tailgate slam and bolt preload data to accurately forecast potential bolt loosening issues. This predictive capability not only enhances quality and safety standards but also significantly reduces the costs associated with tooling and builds. The AI/ML tool described in this paper can simulate a variety of load conditions and predict bolt loosening with over 90% accuracy, considering factors such as changes in loads, bolt diameters, washer sizes, and unexpected masses added to the tailgate. It provides valuable design insights, such as recommending optimal bolt
Sivakrishna, Masani, Das, Mahat, Singh, Abhinav, karra, Manasa, Shienh, Gurpreet, Luebke, Amy
An investigation into the Structural Impacts of Off-Road Manoeuvres on Rear Axle upper Link Mounting Bracket2026-26-0490To be published on 01/16/2026
Multi-link rigid axle suspension is widely used as a rear suspension system for body-on-frame SUVs. The upper link in a multi-link rear suspension plays a critical role in managing the vertical and longitudinal positioning of the axle, while the lower link ensures stability by regulating the axle's movement in the horizontal plane. This coordinated functionality of upper and lower link allows for controlled axle dynamics during compression and rebound, significantly enhancing ride comfort and improving vehicle handling characteristics. This study examines the failure of an upper link mounting bracket on the rear axle of an SUV during off-road events, despite no failures observed in other durability tests. Root cause analysis is conducted on failed samples to determine the specific reasons for failure only in off-road conditions. Additionally, the investigation focuses on understanding the dynamic loads experienced by the upper link during vehicle operation across various durability
J, Akhil, Senthil Raja, T, Ghumare, Dheeraj, Chilakala, Raghavendra, Kundan, Lal, Mohapatra, Durga Prasad
Wireless Mobile charger Packaging in Pecuilar Rear Door Trim Profile.2026-26-0270To be published on 01/16/2026
Abstract A mobile wireless charger is a device that charge a smartphone or other compatible gadgets without the need for physical cables. Principle of wireless mobile charger system based on inductive coupling phenomena. The main objective of this paper aims to address the challenge of packaging wireless mobile charger in peculiar door trim profile keeping overall functionality and aesthetic appearance of door trim intact. This paper deals with integration of a wireless charging system within the door trim of a vehicle to provide convenience and advanced functionality. The objective is to pack a wireless charger in door trim meeting the ergonomic target and equilibrium state stability while maintaining sleek and minimalist design of the door trim. The study focuses on innovative packaging solutions related to space optimization in door despite multiple challenges involved. Major challenge lies in packing the unit amidst complex mechanisms such as window regulators, speakers, structural
palyal, Nikita, D, GOWTHAM, BHASKARARAO, PATHIVADA, Kumarasamy, Raj Ganesh, bornare, harshad
Optimizing Suspension Joint Reliability: Overcoming Bolt Loosening and Torque Variability in Automotive Production2026-26-0492To be published on 01/16/2026
In modern automotive manufacturing, ensuring the integrity of suspension joints under real-world driving conditions is a critical aspect of vehicle safety and performance. These joints endure substantial transverse loads and large vibrations due to irregular road surfaces, dynamic manoeuvres, and varying environmental factors. As a result, bolt loosening becomes a significant concern, compromising joint integrity and overall vehicle reliability. This paper delves into the challenges associated with maintaining joint integrity, specifically focusing on pre-load determination, torque application, and production-related issues. The pre-load generated during torquing is the primary factor that ensures a suspension joint remains securely fastened under dynamic road conditions. This pre-load is derived using road load data acquisition (RLDA) inputs, which capture the forces acting on the joint during actual driving scenarios. RLDA inputs provide critical insights into the forces experienced
Kumar, Sabeesh, Vasant Kumar, Jesse Daniel, Mishra, Harshit, Senthil Raja, T, NAYAK, Bhargav, M, Sudhan, NAMANI, Prasad, Vibhute, Shekhar
Tailgate Stiffness Mitigation and Engineering Strategy for Y-to-Y Tailgate-Mounted Tail Lamp Integration2026-26-0494To be published on 01/16/2026
The tailgate, as the rearmost vehicle opening, plays a pivotal role in defining the rear aesthetic theme while ensuring structural durability and maximizing luggage space. Contemporary automotive design trends highlight an increasing demand for Y-to-Y tailgate-mounted tail lamp configurations, which deliver a bold and dynamic visual appeal. Enhanced by animated lighting features, these designs cater to the preferences of Gen Z customers, becoming a decisive factor in purchasing decisions. However, integrating these complex tail lamp structures introduces significant engineering challenges, including increased X-dimension volume, reduced design space, and intricate mounting schemes constrained by stamping limitations. These factors necessitate the development of innovative joinery strategies and structural definitions to maintain durability targets, including achieving 25,000–30,000 slam cycles without failure, while preserving luggage space. This paper explores a comprehensive approach
Beryl, Joshua, Mohanty, Abhinab, Unadkat, Siddharth, Selvan, Veera
Totem-Pole PFC and LLC resonant converter based 6.6kW On-Board Charger for LEV Applications2026-26-0160To be published on 01/16/2026
As light electric vehicles (LEVs) gain popularity, the development of efficient and compact on-board chargers (OBCs) has become a critical area of focus in power electronics. Conventional AC-DC topologies often face challenges, including high inrush currents during startup, which can stress components and affect system reliability. Furthermore, DC-DC converters often have a limited soft-switching range under light load conditions, leading to increased switching losses and reduced efficiency. This paper proposes a novel 6.6 kW on-board charger architecture comprising a bridgeless totem-pole power factor correction (PFC) stage and an isolated LLC resonant DC-DC converter. The main contribution lies in the specific focus on enhancing startup behavior and switching performance. In PFC converters, limiting inrush current during startup is crucial, especially with fast-switching wide-bandgap devices like SiC or GaN. Conventional soft-start techniques fall short in of ensuring smooth voltage
Patil, Amruta, Bagade, Aniket
Experimental Study to Investigate and Control Image Blurriness due to IRVM Vibration2026-26-0321To be published on 01/16/2026
Vibration is one of the prominent factors that determine the quality & comfort level of a vehicle. Moreover, if vibration occurs in areas that are almost entirely within customer touchpoints (during either city or highway driving conditions), it could become a critical factor behind the deterioration of brand image within the market. The interior rear-view mirror (IRVM) is one of the important components inside passenger cabin, providing drivers with a clear view of the rear traffic. However, vibrations induced by engine operation, road irregularities, and aerodynamic forces can cause the IRVM to oscillate, leading to image blurriness and compromised visibility and safety. This paper investigates the underlying causes of IRVM vibrations and their impact on image clarity. Through a combination of experimental analysis and computational modelling, we identify key factors contributing to mirror instability. The findings indicate the specific frequencies of vibration, particularly those
Khan, Aamir Naved, Saraswat, Vivek, Jha, Kartik, SINGH, HEMENDRA, Seenivasan, Gokulram, Khan, Nafees
Investigation of Fatigue Durability Failure Mechanisms in High-Pressure Hydraulic Pipes of Power Steering Systems2026-26-0542To be published on 01/16/2026
Abstract—The high-pressure hydraulic pipeline in the power steering system is a vital component for ensuring optimal performance. During warranty analysis, leakage incidents were observed at the customer end within the warranty period. The primary factors contributing to these failures include pipe material thickness, material composition, mechanical properties, and engine-induced vibrations. This study investigates fatigue-related failures through detailed material characterization and Computer-Aided Engineering (CAE) based on real world usage road load data collected. The objective is to identify the root causes by examining the influence of varying pipe thickness on fatigue life. The investigation discovered that crack initiation predominantly occurred on the concave side of bent pipe sections, specifically on the engine-side high-pressure steering line, which is connected to the power steering pump mounted on the engine. Fracture surfaces exhibited characteristics consistent with
SURVADE, LALIT, Koulage, Dasharath Baliram, Biswas, Kaushik
Safety Locking and alert system for Container trailers with Geo fencing2026-26-0273To be published on 01/16/2026
The Container trailer is used worldwide to transport goods & materials especially e-commerce applications with valuable materials. These container trailers are presently locked with a mechanical locking system and often broken and unlocked by unauthorized people. During transportation time, the driver stops for natural calls, food or any other breakdown, the attempt is made to steal the materials. Many cases were known only after damages are done. It has become a serious issue nowadays in the transportation industry. To avoid these problems, we have designed and developed a system that operates pneumatically with digital locking control. The system is designed to ensure proper safety by rigid mechanical locking. It is actuated by a pneumatic system consisting of Directional control valve & pneumatic cylinders. The lock and unlock inputs are given through digitally and the digital controller provides the appropriate input to solenoid operated direction control valve. Based on the
kumaran, Rajasekar
Systemic modelling and simulation approach to estimate Brake response time in a Pneumatic brake systems2026-26-0469To be published on 01/16/2026
Brake response time in truck air brake systems is crucial for ensuring safety and operational efficiency. This paper presents the development of a simulation model designed to meet all necessary regulatory requirements for Brake response time and as an input to the stopping distance calculations. The actual pneumatic circuit, including brake valves, relay valves, brake chambers, and plumbing have been replicated. The focus is on utilizing 1D simulations to predict the compliance of response time during both the pressurizing (brakes applied) and depressurizing (brakes released) phases of the brake system. A mathematical model is developed using a commercially available 1D simulation tool. This model employs a lumped parameter approach for the pneumatic components, with governing equations derived from compressible flow theory and empirical valve flow characteristics. A parametric study is carried out on variables such as plumbing length, system pressure, and valve orifice diameters. The
Kumbar, Praful, Murugesan, Karthik, Shannon, Rick
Innovative Friction Locking Mechanism for High Voltage Busbar Connections in EV Batteries2026-26-0155To be published on 01/16/2026
In the development of high-voltage (HV) batteries, ensuring secure connections between HV conductors and maintaining the safety and performance of the battery pack is paramount. Therefore, In the pursuit of enhancing efficiency and reliability in electrical connections, this paper explores the innovative alternate for a traditional screwing method with a friction locking mechanism for connecting busbars. The novel design reimagines the busbar as a Friction clamp (Female part) that securely holds the male part of the Busbar, significantly increasing the contact surface area up to 50%. This enhanced surface area not only improves electrical conductivity but also reduces heat generation, addressing common issues associated with traditional screw-based connections. By eliminating the need for screws, the new design streamlines the assembly process, resulting in reduced cycle times and improved overall assembly line efficiency. This study presents the design methodology, performance
Venkatesh, Murali, Raghu, Arun, Bhramanna, Amol
Transforming Gear Manufacturing_ A Deep Learning Approach to Quality Prediction2026-26-0646To be published on 01/16/2026
The automotive industry is rapidly transitioning towards Industry 4.0, transforming vehicle manufacturing. To achieve a lower carbon footprint, it is crucial to minimize raw material wastage and energy consumption. Reducing component wastage, lead time, and automating gear manufacturing are key areas. Gear micro-geometry inspection is vital, as variations affect service life and NVH (Noise, Vibration, Harshness). Despite standards for permissible errors, manual evaluation is often needed.This subjective evaluation approach will have a possibility that a gear with undesired variations gets assembled into the product. These issues can be detected during NVH testing, leading to replacement of part and re-assembly thus increasing lead time. This generates a need for an automated system which could reduce the human intervention and perform the activity. This paper discusses methodologies to meet these requirements and achieve desired results. The research aims to develop a deep learning
Ramakrishnan, Gowtham Raj, Baheti, Palash, PR, Vaidyanathan, Durgude, Ranjit, Bathla, Archana, R, Greeshmita, V, Rangarajan
Adaptability Survey and analysis of Camera Monitoring Systems (CMS) on Various Driving Population for Passenger Vehicles in Indian Driving Scenario2026-26-0601To be published on 01/16/2026
This paper presents a comprehensive survey and data collection study on the adaptability of Camera Monitoring Systems (CMS) for passenger vehicles. With the growing demand for enhanced safety, automation, and driver assistance technologies, Camera Monitoring Systems (CMS) has emerged as a key component in modern automotive design. This study aims to explore the current state of camera-based monitoring in passenger vehicles, focusing on their adaptability through survey data collection of various driving population and analysis. This paper evaluates the acceptance of CMS configurations in replacement to conventional rear view mirrors through Position of Monitor, Clarity, CMS Adaptiveness to eyes, Comfort while turning, Merging into moving traffic, Monitoring Rear Traffic, while Getting Out of Car, while Overtaking, Coverage Area and Overall Acceptance. The findings offer valuable insights for manufacturers, engineers, and researchers working toward the evolution of intelligent vehicle
Sinha, Ankit, Tambolkar, Sonali Ameya, Belavadi Venkataramaiah, Shamsundara, Kauffmann, Maximilian
Review on the flyback converter design for multi-output2026-26-0200To be published on 01/16/2026
With the increasing demand for DC loads, DC-DC converters have become indispensable in modern power electronic architectures. With high-voltage applications typical DC-DC converter topologies are required which include isolation for safety and voltage level conversion. Among various isolated converter topologies, the flyback converter is widely favored for low-power applications, typically under 100 W, due to its simplicity and cost-effectiveness. Like other DC-DC topologies, the flyback converter can operate in either continuous conduction mode or discontinuous conduction mode (DCM). The work have focused on the design and performance analysis of a flyback converter operating in DCM, with a specific emphasis on magnetic component design and loss evaluation. A 55 W multi-winding flyback converter employing a passive snubber circuit is studied and implemented. The loss analysis is done with switch losses around 3.4W and the coupled inductor core losses around 1.5W and copper losses
S, Denis, Deshpande, Prathamesh Pravin, Deshpande, Rohan
Determination of Acrylonitrile Content in Nitrile Butadiene Rubber Vulcanizates by Py-GCMS Techniques2026-26-0546To be published on 01/16/2026
Nitrile Butadiene Rubber (NBR), a copolymer of butadiene and acrylonitrile is known for its superior resistance to hydrocarbon oil, low gas permeability and excellent thermal stability. It is extensively used in seals, O-rings, conveyor belts and pneumatic tires. It is worth mentioning that these performance attributes are predominantly influenced by acrylonitrile content. While solid-state 13C Nuclear Magnetic Resonance (NMR) is an established technique for structural characterization of rubber vulcanizates, its high cost and accessibility limits its application in routine industrial analysis. This study aims to develop Pyrolysis-Gas Chromatography/Mass Spectrometry (Py-GCMS) as a robust, precise, cost-effective alternative to determine acrylonitrile content in NBR vulcanizates. This research demonstrates and establish a method to determine the acrylonitrile (ACN) content in finished rubber vulcanizates through pyrolysis gas chromatography-mass spectrometry (Py-GCMS). This method
Samanta, Rajyasree, Ghosh, Debojit, Anjana, Kanhaiya, Sen, Amit, Guria, Biswanath, Chanda, Jagannath, Samui, Barun, Ghosh PhD, Prasenjit, Mukhopadhyay, Rabindra
Machine Learning based Engine Mount NVH Life Health Monitoring System2026-26-0359To be published on 01/16/2026
Refinement for NVH (Noise, Vibration, and Harshness) performance, and long-term vehicle reliability are rapidly evolving in today’s automotive industry. Engine mounts play a central role in isolating powertrain-induced vibrations; their deterioration can significantly affect cabin comfort, powertrain integrity, and customer satisfaction. Prior work in this area has primarily focused on direct mount sensors and physical inspection at service centre after failure. While effective in controlled environments, such methods are not scalable, add system complexity, and increase vehicle cost due to sudden breakdowns—challenges that restrict practical OEM deployment. This paper introduces a novel indirect health monitoring method that leverages a driver seat rail-mounted accelerometer to capture driver specific vibrational responses. By analyzing these signals using machine learning models and domain-specific analytical features, engine mount health is inferred without requiring sensors on the
Iqbal, Shoaib, Dusane, Mangesh
From Vision to Reality - Automotive UI/UX Concept Development at Magna2026-26-0477To be published on 01/16/2026
The development of automotive UI/UX relies on the latest technologies and features in modern vehicle design, focusing on enhancing user interaction. The Magna UI/UX team uses innovative tools to streamline the development of user interaction features. Our process is accessible to all stakeholders and applicable to all UI/UX projects. With extensive experience working with both new entrants and traditional OEMs, we leverage diverse insights and methodologies to create state-of-the-art user experiences. Beginning with the UI strategy, Magna defines the overall display and interaction strategy based on the latest UI/UX trends and benchmarking criteria for user experience. In this phase, Magna uses online clickdummies to evaluate initial wireframes and sketches, documenting UI elements (buttons, typography, colors, icons) and simulating feature interactions like music control. To develop a UI/UX concept based on customer vision, Magna creates the base screen layout and operation flow
Lechner, Michael
Material Optimization in console armrest to comply occupant safety in crash test2026-26-0007To be published on 01/16/2026
Indian passenger vehicles sales touched an all-time high in FY25.Today’s customer expects high level of aesthetics, safety and connected features in the vehicle Interiors. This has created more diverse and demanding customer base that values interior design and quality. This has led OEMs to offer modern Indian mass car interiors with features like big infotainment system, Console Armrest…etc. The vehicle console armrest assembly is an integral part of a car's interior, designed to enhance comfort, ergonomics, and functionality for the driver and passengers. The console armrest is a complex assembly of many child parts like Armrest cushion/ sliding mechanism/ latch, locking mechanism/ hinge mechanism and storage compartment etc., Console hard plastic parts are the primary source of injuries when occupants interact with them in the event of an accident. Poorly designed armrests can contribute to flyoff of child parts in the event crash and can cause injuries to occupant. Therefore
A D, BALAMURUGA, BADDAM, SATHISH, MANGAL, GAUTAM, SINGH, DEEPAK, Shekhar, Ravi, Singh, Amit
An Outer Waist Seal with Integrated Glass Wiping Mechanism for a Window Frame of a Vehicle2026-26-0011To be published on 01/16/2026
This innovation addresses a major safety concern where drivers experience poor visibility of the Outside Rear View Mirror due to rain, fog, dust, or ice accumulation on the side door window glass. Existing solutions like hydrophobic coatings and heated door window glasses offer limited effectiveness, leading to the need for a more reliable and efficient system. To solve this issue, we have modified Outer Waist Seal by integrating Glass Wiping Mechanism in it. The Outer Waist Seal is a weatherproof strip located at the bottom edge of a vehicle’s side window, attached to the door panel. It prevents heavy water flow, dust, and debris from entering the door cavity while also supporting the window glass during its movement. This system features a stationary fixed arm and a rotating arm with an attached wiper blade, driven by a low-speed, high-torque motor and connected with the vehicle's Body Control Module. Upon activation, the rotating arm with blade wipes the Outside Rear View Mirror
Neelam, Rajat, Chowdhury, Ashok, Panchal, Girish, Kumar, Saurav
Human-Centric Automotive Interior Lighting assessment: A feedback-Based Approach2026-26-0132To be published on 01/16/2026
Automotive interior lighting systems must comply with rigorous internal standards while aligning with evolving customer expectations across diverse vehicle segments. As technological advancements accelerate and consumer demands grow, these systems have become increasingly advanced. Traditionally, validation relied on physical integration with vehicle and its hardware particularly silver box unit and infotainment systems. However, this conventional approach presents several limitations, including dependency on mature hardware and software, challenges in testing and synchronization across multiple lighting modules, and constraints in design validation accuracy. To address these limitations, this paper introduces an innovative approach that employs real-time hardware-in-the-loop (HIL) simulation for digital lamp testing. This method facilitates autonomous and abuse testing, enabling independent validation of interior lighting systems within a controlled virtual environment while
Shah, Kunal, Joshi, Vivek S., Mandloi, Prince
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