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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…
 

SMART HONKING

Mahindra & Mahindra, Ltd.-Priyanka Marudhavanan
  • Technical Paper
  • 2019-28-2463
To be published on 2019-11-21 by SAE International in United States
Smart Honking Keywords-Safety, Connectivity, GPS M. Priyanka, Mahindra&Mahindra, India Sai Himaja Nadimpalli, Mahindra&Mahindra,India Keywords-Honking , Infotainment , GPS Research and/or Engineering Questions/Objective: In India unnecessary vehicular honking is the main reason for noise pollution. The problem is worst at traffic signals where drivers start honking without waiting for the signal to turn green or for traffic to move. Drivers show no respect to the law that prohibits the use of horn at traffic signals and other silent zones such as areas near hospitals, schools, religious places and residential areas. Vehicular honking in cities has reached at an alarming level and contributes approximately 70% of the noise pollution in our environment.The unwanted sound can affect human health and behavior, causing annoyance, depression, hypertension, stress, hearing loss, memory loss and panic attacks. Most of the drivers try to release their frustration and tension by blowing horns, possibly due to lack of awareness regarding the negative effects of noise but most likely it is because of the lack of civic sense.. Limitations: There is a provision of sign…
 

In-Vehicle Directional Audio Streaming

Aptiv Components India Pvt Ltd-Vijayalakshmi kr
Aptiv Components India Pvt, Ltd.-Anitha Loganathan
  • Technical Paper
  • 2019-28-2448
To be published on 2019-11-21 by SAE International in United States
In-Vehicle Infotainment has evolved greatly over years from a simple tuner based radio with a small LED display to a complex system with highly intelligent interactive HMI which can mirror the smart phone. The full-fledged entertainment features like watching videos are restricted to only rear passengers. In drive mode, drivers are limited with access to only audio to avoid driver distraction. Rear passengers and drivers are classified into different audio zones. Each of the rear passengers are equipped with headsets so that audio merging with driver zone can be avoided. This leads to passenger discomfort, as many passengers would not prefer to hook up with headset all the time. Now the automotive world is envisioned to reach fully autonomous mode where there is no driver and every passenger is interested to listen to music/video of diverse interest. The audio zones in autonomous car need not be zonified or linear. Circular audio zone can also be a good choice for autonomous cars. There are situations in autonomous cars where passenger is asleep in vehicle and hence…
 

Vision based solution for auto- maneuvering of vehicle for emerging market

General Motors Tech Center-Ashwani Kumar Singh, D V Ram Kumar Singampalli
General Motors Tech. Center-Souvik Bose
  • Technical Paper
  • 2019-28-2517
To be published on 2019-11-21 by SAE International in United States
Vision based solution for auto- maneuvering of vehicle for emerging market: Author/Co-Author: Singh Ashwani, SDV Ram Kumar, Bose Souvik, Lalwani Chandraprakash General Motors Technical Centre India Key words: Image Processing, Gap finding, virtual/Imaginary lines, Advance Driver Assist System (ADAS), Vehicle to vehicle(V2V)/Vehicle to Infrastructure(V2I/V2X) Research & Engineering Objective: For the various levels of autonomous, the current perception algorithms involve considerable number of sensor inputs like cameras, radars and Lidars and their fusion logics. The planning route for the vehicle navigation is done through map information which is highly volatile and keep changing many at times. Existing steering assist feature during a curve is available by combining additional driver monitoring camera & 360 degree camera. The complexity is very high in the implementation and computation of these algorithm. These solutions are not cost-effective for emerging markets. Non-availability of required infrastructure in developing countries is one of the additional constrain. Feature unavailability due to road infrastructure (ex: poor or no lane markings), bad weather will lead to higher customer dissatisfaction. The objective is to develop a logic/study…
 

Semi-autonomous parking assist system (SA-PAS)

Hella India Automotive Private Limited-Ankit Dilip Yawale
  • Technical Paper
  • 2019-28-2529
To be published on 2019-11-21 by SAE International in United States
This paper describes the Semi-autonomous parking assist system (SA-PAS) developed using combination of high accuracy position sensing and electronic power steering. A real-time system that helps driver to identify the parking space and assist to perform maneuvers. Parking is often a difficult task, especially for inexperienced drivers. Starting with the problem of having to find a suitable parking spot, to then maneuvering in to it without colliding with anything or anyone, while trying avoiding disturbing the surrounding traffic. The numbers of vehicles are rapidly increasing as compared to the expansions of roads and parking spaces. Therefore, effective use of the existing spaces is needed (by making them narrower), which can cause inconvenience to many drivers. Semi-autonomous parking assist system searches for suitable space and steers the vehicle into it, while driver has to control the gear shifter, accelerator and brakes. If the driver presses the button to activate the park assist, a special sensor integrated into the side of the front bumper scans the side of the road as the vehicle drives past. The park…
 

Correlation of Objective and Subjective test results for Ride comfort with Heave, Pitch and Roll motion for a Passenger Vehicle

Advanced Structures India-Anuj Jha, Rahul Ramola
Vellore Institute of Technology-Aniruddha Deouskar
  • Technical Paper
  • 2019-28-2410
To be published on 2019-11-21 by SAE International in United States
Research Objective The importance of evaluating ride comfort with high degrees of accuracy objectively and its correlation with subjective perception is increasing day by day because of the long duration of the driving experience. The complex motion of the vehicle which is the combination of heave, roll and pitch motion is responsible for causing extreme uneasiness to the driver as well as the passenger. In this paper, ride comfort evaluation is done on the highway with similar traffic conditions with the help of Vibration Dose Value Analysis, Suspension Working Space and Ride Diagram methods for two hatchbacks and its correlation with the complex motion like choppiness of the vehicle is established that will help us to enhance the driver ride experience. Methodology The ride testing is performed for two hatchbacks on a highway road with different kinds of terrain ranging from highly uneven road roughness to moderately smooth surface for a speed range of 60-100 kmph. The road environment is chosen for testing in order to record and analyze the most practical vehicle response to…
 

Study on effect of HVAC Air Flow Distribution on Windows Fogging

Hyundai Motor India Engineering-Santhosha Vigneshwaran, Eeshan Geel, G Sundrasekaran
  • Technical Paper
  • 2019-28-2414
To be published on 2019-11-21 by SAE International in United States
Windshield & Windows fogging up in cars has long been a topic of interest & concern. Lot of research has already been put into Front/Rear windshield fogging up issue and, Defrosters, Heated Windshields have been designed to remove the fog effectively. However, Windows Fogging up is still one of the major concerns faced while driving, as it obscures the drivers' field of vision and raises safety concerns. Windows fogging up is a phenomenon in which Moisture is condensed on the glass of the window. It is classified into two categories - Inside Fogging and Outside Fogging. When Ambient temperature is lower than the cabin temperature, the moisture is condensed on the inside surface of the glass. In this case the moisture is added inside the cabin by the occupants when they exhale air. Similarly when the Cabin temperature is lower than the ambient temperature, the moisture from atmosphere is condensed on the outer surface of the glass. A Survey with 500 Indian Customers has been conducted to understand the occurrence of Windows fog up issue…
 

Electrification System Modeling with Machine/Deep Learning for Virtual Drive Quality Prediction

General Motors Technical Center India-Brijesh Borkar, John Bosco Maria Francis, Pankaj Arora
  • Technical Paper
  • 2019-28-2418
To be published on 2019-11-21 by SAE International in United States
A virtual 'model' is generally a mathematical surrogate of a physical system and when well correlated, serves as a basis for understanding the physical system in part or in entirety. Drive Quality defines a driver's 'experience' of a blend of controlled responses to an applied input. The 'experience' encompasses physical, biological and bio-chemical perception of vehicular motion by the human body. In the automotive domain, many physical modeling tools are used to model the sub-components and its integration at the system level. Physical Modeling requires high domain expertise and is not only time consuming but is also very 'compute-resource' intensive. In the path to achieving 'vDQP (Virtual Drive Quality Prediction)' goal, one of the requirements is to establish 'well-correlated' virtual environments of high fidelity with respect to standard test maneuvers. This helps in advancing many developmental activities from a Controls and Calibration aspect. Recently, machine/deep learning have proven to be very effective in pattern recognition, classification tasks and human-level control to model highly nonlinear real world systems. This paper investigates the effectiveness of deep learning…
 

“EFFECT OF DRIVER AIRBAG VENT HOLE SIZES IN THE PERFORMANCE OF THE AIRBAG AND FORCES OCCURRING ON THE DRIVER BODY DUE TO THE AIRBAG DEPLOYMENT IN CASE OF ACCIDENT”

International Centre For Automotive Tech.-Harpreet Singh Juneja
  • Technical Paper
  • 2019-28-2416
To be published on 2019-11-21 by SAE International in United States
Airbags are very important passive safety component used in vehicle for the safety of the driver during the accident. Airbags are provided with the vent hole for the immediate discharge of the gases which fills the airbag during deployment in case of any accident. Size of the airbag vent hole plays a very important role for the performance of airbag in reducing the driver Injury. Study shows the difference in the performance of the airbags in terms of driver injury and airbag displacement with change in the size of the vent hole for the same airbag.
 

HANDLING EXCEPTIONAL SITUATION OF AN AUTONOMOUS VEHICLE

General Motors Technical Center India-Balasab Kardegouda
  • Technical Paper
  • 2019-28-2526
To be published on 2019-11-21 by SAE International in United States
In autonomous vehicle world human safety takes highest priority. And most researchers agree that machines won't be able to completely take over driving duties for years or even decades. "Today's autonomous vehicles can drive relatively well in typical settings, but they fail in exceptional situations - and it's those situations that are the most dangerous," said Walter Lasecki, an assistant professor of computer science and engineering. "Designing autonomous systems that can handle those exceptional situations could take decades, and in the meantime, we're going to need something to fill the gap. Few companies have introduced human safety drivers in autonomous vehicles which has cost advantage compared to traditional ride sharing services. Combining human and artificial intelligence in autonomous vehicles could push driverless cars more quickly toward wide - scale adoption. The aim of this paper is to showcase serial data architecture of high speed data transfer of critical predicted vehicle data of an exceptional situations, both onboard and offboard. This data shall be used for instantaneous analysis and decision making during exceptional situations. According to…