Your Selections

Safety
Active safety systems
Collision avoidance systems
Collision warning systems
Air traffic control
Airworthiness
Crash research
Biomechanics
Crashes
Accident reconstruction
Accident types
Frontal collisions
Jackknife crashes
Rear-end crashes
Rollover accidents
Side impact crashes
Crash prevention
Crash statistics
Injuries
Child injuries
Fatal injuries
Head injuries
Injury causation
Injury classification
Pedestrian injuries
Crashworthiness
Event data recorders
Fueling safety
Hazards and emergency operations
Evacuation and escape
Fire
Fire detection
Fire fighting
Fire prevention
Hazardous materials
Biohazards
Radiation
Lightning
Lightning protection
Rescue operations
On-board systems safety
Pedestrian safety
Protective systems
Occupant protection
Protective equipment
Helmets
Protective clothing
Spacesuits
Protective structures
Operator protective structures
Rollover protective structures
Radiation protection
Restraint systems
Child restraint systems
Passive restraint systems
Airbag systems
Safety belts
Safety regulations and standards
Safety testing and procedures
Anthropometric test devices
Flotation
Icing and ice detection
Impact tests
Risk assessments
Visibility
Show Only

Collections

File Formats

Content Types

Dates

Sectors

Topics

Authors

Publishers

Affiliations

Committees

Events

Magazine

 

Location based emergency call enabler

Mahindra & Mahindra, Ltd.-Priyanka Marudhavanan
  • Technical Paper
  • 2019-28-2457
To be published on 2019-11-21 by SAE International in United States
M. Priyanka, Mahindra & Mahindra, India Sai Himaja Nadimpalli , Mahindra & Mahindra, India Keywords-Safety, Connectivity, GPS Research and/or Engineering Questions/Objective: There are many times the driver or co-passenger can experience emergency conditions whenever the vehicle is running or it is in static. These kind of situations are tough to handle even if one is victimized . The victim can be rescued on time if proper information about the situation would reach his friends or family . Limitations: In existing system, if the accidental crash happens then signal from airbag unit will wake up the mobile, Once this wake up call happens,it will activate the gsm module. The emergency contacts stored in the mobile will be dialed up and the victim can convey his emergency situation through that. The driver will be rescued only if crash happens. There is no system to rescue the driver if heart attack happens when he is driving. The additional problem which the system has is emergency contact is out of town,the victim will not be rescued Methodology: In order…
 

A Machine Learning based Multi-objective Multidisciplinary Design Optimization (MMDO) for Lightweighting the Automotive Structures

Mahindra and Mahindra-Ranga Srinivas Gunti
  • Technical Paper
  • 2019-28-2424
To be published on 2019-11-21 by SAE International in United States
The present work involves Machine Learning (ML) based Multi-objective Multidisciplinary Design Optimization (MMDO) for lightweighting the automotive structures. The challenge in deployment of MMDO algorithms in solving real-world automotive structural design problems is the enormous time involved in solving full vehicle finite element models that involve large number of design variables and multiple performance constraints pertaining to vehicle dynamics, durability, crash and NVH domains. With the availability of powerful workstations and using the advanced Computer Aided Engineering (CAE) tools, it has become possible to generate huge sets of simulation data pertaining to multiple domains. In the present work, lightweigting of the vehicle structure is achieved, considered the vehicular hardpoint locations and the gages of the vehicle structures as the design variables and performance parameters pertaining to vehicle dynamics, structural durability, front-end intrusions during an IIHS offset impact test and the modal frequencies of few critical structural members as the constraint variables. Artificial Neural Networks (ANN) based algorithms were used for developing the predictive models of various performance parameters. The predictive models were then used to…
 

Body Structure Strength Of Sleeper Coaches During Rollover Test As Per AIS 119

International Centre For Automotive Tech.-Gopal Singh Rathore
  • Technical Paper
  • 2019-28-2567
To be published on 2019-11-21 by SAE International in United States
Bus passenger safety has always been a concern considering various impacts like side impact, front impact, rollover etc. happening in real life scenarios. Various standards have been formulated for simulating these conditions and with respect to rollover, standards like ECE-R66 are being used to understand the superstructure strength. In India, we have AIS-052 (bus body code) and AIS-031 specific for bus rollover testing. AIS-119 has been published for rollover testing of sleeper coaches with modifications in the survival space creation in sleeper coaches for berths. With physical testing being more expensive, CAE simulations are being considered as vital option which also helps in design modification in a lesser time. This paper discusses the scope of numerical simulation of sleeper coach rollover using an explicit dynamic solver RADIOSS to understand the structure deformations, survival space clearances/intrusions. The paper will describe the procedure for the numerical simulation starting from the CAD development, geometry clean up, meshing techniques, element formulations, CG measurement, input deck set up till the post processing of results. In order to validate the numerical…
 

Optimization of vehicle side panel to improve crashworthiness.

Kichumon Haldus
  • Technical Paper
  • 2019-28-2573
To be published on 2019-11-21 by SAE International in United States
The front of a car, though susceptible to the biggest impacts in terms of magnitude, has space and additional reinforcement to incorporate various safety measures. The rear has considerable amount of space to contain a proper crash box. The side of the car, though, doesn’t have this flexibility in design, the main limiting parameter being space. Any intrusion into the passenger cabin can result in serious injury or even death. The objective of this work is to improve the crashworthiness of a vehicle’s side so as to reduce intrusion into the passenger cabin. The work is focused on optimizing the door and B pillar. The optimized side panel is compared with the baseline model as per standard. ANSYS solver is used for the simulation. The optimized design applied to the door and B pillar will significantly improve crashworthiness of the vehicle side panel as a whole.
 

Load distribution optimization of seatbelt against ECEr-16 using validated finite element approach

anshul satija-Anshul Satija
  • Technical Paper
  • 2019-28-2575
To be published on 2019-11-21 by SAE International in United States
The seat belt system is one of most imperative component of the safety instrument family in a vehicle. The main purpose of seat belt is to minimize the injuries by preventing the occupant from impacting hard interior parts of the vehicle and also the passenger from being thrown-out from the vehicle in case of rollover accidents. The standard three-point belts, mounted to the vehicle in three places, namely anchor, D ring and buckle. The position of D ring is very important to distribute the impact load evenly to the occupants. Very high load in any of these locations could cause breakage of the mountings and also concentrated loading on the occupant chest of pelvis. This study mainly focuses on the seatbelt assembly performance improvement against ECE-R16 sled test. The sled test was carried out first using 28g peak acceleration pulse and measurement of forces at shoulder and anchor position was measured using the load cell. FE (Finite Element) model of the complete seatbelt assemble was developed including buckle, retractor and anchor plate. The simulation was…
 

Entry Level Connected Infotainment Unit with Smartphone and vehicle integration

Maruti Suzuki India Ltd-Tarun Aggarwal, Ritesh Khandelwal, Satish Pandey, Satish Kumar Pandey, Himanshu Kumar Ojha
Maruti Suzuki India, Ltd.-Soundharya N
  • Technical Paper
  • 2019-28-2434
To be published on 2019-11-21 by SAE International in United States
As we transition towards Internet of Things (IoT) - humans are connected to each other & outside world through the smartphone. Customers tend to use smartphones for varied purposes ranging from communication to entertainment. However, the concern of distraction exists due to poor visibility & accessibility of the phone's screen in driving condition. One of the repercussion of being connected to smartphone particularly in driving condition includes higher number of road accidents due to distraction. This paper explains one of the key initiatives taken by Maruti Suzuki India Limited to address the same. This is done by offering an entry level connected infotainment system which comprises of the following three components: (a) An entry-level infotainment with basic display & vehicle connectivity, (b) A Dock mounted on infotainment panel enabling safe usage of smartphone due to its position i.e. accessibly and visibility in driving condition, (c) A Driving App specifically designed for driving usage where one can access calling, messaging, navigation on the go with a vibrant UI & easy to use gestures. The infotainment unit…
 

Child Safety Lock Override Mechanism - For Woman Safety

Hyundai Motor India Engineering PVT LTD-Ravi Kumar S, Priya K
  • Technical Paper
  • 2019-28-2403
To be published on 2019-11-21 by SAE International in United States
Child safety lock override mechanism - For Woman Safety Woman safety is a major concern in present world and the related laws ensure that government also cares for it. Mostly in public taxies, there is possibility for the driver to harass women occupant by activating the child safety lock without her knowledge. Purpose of child safety lock is to prevent child in the rear seat from opening the door and fall from vehicle. This will cause severe injury to the child. When child lock is ON, Inside Door handle becomes inoperative and the child cannot open the door. Only way to open door is through outside handle. But there is possibility for Taxi driver to kidnap the woman customer by enabling child safety lock, so that inside handle becomes inoperative and make her get trapped in car. To prevent such cases in future, Ministry of Road Transport ordered the manufacturers to delete child safety lock for all commercial vehicles. But even then, Child in rear seat of a taxi (Without child lock) and women in…
 

MASS OPTIMIZED HOOD DESIGN FOR CONFLICTING PERFORMANCES

GM Technical Center-Santosh Swamy, Gulshan Noorsumar, Shivakumar Chidanandappa
  • Technical Paper
  • 2019-28-2546
To be published on 2019-11-21 by SAE International in United States
MASS OPTIMIZED HOOD DESIGN FOR CONFLICTING PERFORMANCES Santosh Swamy, Gulshan Noorsumar, Shivakumar Chidanandappa General Motors Technical Center, India Keywords Hood; Head Injury Criterion (HIC); Stiffness; Shape optimization; Multi-Disciplinary Optimization (MDO) Research and/or Engineering Questions/ Objective The objective of this work is to obtain a light weight hood which has least possible mass, and at the same time meets all contradicting performances of pedpro (pedestrian protection) and structural stiffness disciplines. Passenger vehicles have stringent safety norms from pedpro perspective to meet child and adult head injury criteria (HIC). These pedestrian safety requirements often conflict with structural stiffness performance criteria which pose a challenge for most automotive OEMs. Therefore, there is a growing need for mass optimization and performance balancing to meet both the requirements simultaneously. Methodology The outlined method uses a CAE based Multi-Disciplinary Optimization (MDO) approach involving shape variables to find an optimum design for stiffness and pedpro performances. Adding slots along the vertical beam walls of the hood inner panel helps soften the area around the head impact location, thereby improving pedpro performance locally.…
 

A V2V communication protocol to avoid Blind turn accidents and accidents happen

International Centre For Automotive Tech.-Sachin Sachin
  • Technical Paper
  • 2019-28-2444
To be published on 2019-11-21 by SAE International in United States
Nowadays the sonar system is used to avoid accidents, which is not effective in case of high-speed at blind turn situation or through side crossing in high ways. That's because vehicle position is not along the line and speed is very high so sonar will not detect danger within avoidable time limits. it seems we need to develop some fast enough system to avoid these type of accidents.
 

DEVELOPMENT OF SMART BIKE FOR RIDER’S SAFETY THROUGH HELMET DETECTION

International Centre For Automotive Tech.-Prateek Goel
  • Technical Paper
  • 2019-28-2458
To be published on 2019-11-21 by SAE International in United States
In today’s era, especially in young generation, the craze of motor bikes is really remarkable. As the bikers in our country are increasing, the road mishaps are also increasing day-by-day, due to which many deaths occur and most of them are caused by the negligence in wearing helmet. According to the Ministry of Road Transport and Highways, 1,50,785 people were killed in 4,80,652 road crashes in India in 2016. This translates into 55 crashes and 17 deaths every hour. In case of road crash deaths, Two-Wheeler topped the list with a percentage share of 29.42% followed by Trucks, Tempos, Tractors(25.9%) and Cars, Jeeps, Taxis (21.61%). In order to overcome the above mentioned problem, we are designing an intelligent system that detects the helmet and prevent the rider to ride the bike without wearing helmet which helps to reduce the death cases during an accident. Our task as an automobile engineer was to design a smart helmet that could automatically detected by the two-wheeler. A camera was installed near the speedometer (on the handle bar) of…