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Technical Paper

A novel approach on range prediction of a hydrogen fuel cell electric truck

2019-11-21
2019-28-2514
A novel approach on range prediction of a hydrogen fuel cell electric truck C.Venkatesh - Manager - Product Development, Sustainable Mobility & Advanced Technologies Abstract: A novel approach on range prediction of a hydrogen fuel cell electric vehicle Abstract: Today's growing commercial vehicle population creates a demand for fossil fuel surplus requirement and develops highly polluted urban cities in the world. Hence addressing both factors are very much essential. Battery electric vehicles are with limited vehicle range and higher charging time. So it is not suitable for the long-haul application. Hence the hydrogen fuel cell based electric vehicles are the future of the commercial electric vehicle to achieve long range, zero emission and alternate for reducing fossil fuels requirement. The hydrogen fuel-cell electric vehicle range, it means the total distance covered by the vehicle in a single filling of hydrogen into the onboard cylinders.
Technical Paper

A DIGITALIZED VALIDATION APPROACH FOR REAL TIME AND REMOTE MONITORING OF AN OFF HIGHWAY VEHICLE PERFORMANCE

2019-11-21
2019-28-2531
A DIGITALIZED VALIDATION APPROACH FOR REAL TIME AND REMOTE MONITORING OF AN OFF-HIGHWAY VEHICLE PERFORMANCE V.Jagannathan 1.a* , B.Jaiganesh 2.b & S.Sudarsanam 3.c Mahindra & Mahindra Limited, Mahindra Research Valley, Mahindra World City, Anjur PO, TN, India Corresponding author Email- V.JAGANNATHAN@mahindra.com Validation of agricultural tractors is necessary to ensure that these machines perform to their expected potential and are aptly matched with implements. Testing these machineries in real-time while performing activities in the field allows a bigger picture to be seen; the performance data incorporates the effects of many external factors (Soil, Climate etc.). Tractor Performance data apprehending is the vital part of validation. Data acquisition of key performance parameters during field validation in different application/different countries is of utmost importance.
Technical Paper

Wiring Harness Optimization towards Wireless Vehicle

2019-11-21
2019-28-2530
Paper Title - Wiring Harness Optimization towards Wireless vehicle Research and/or Engineering Questions/Objective (maximum 100 words)  In current scenario, wiring harness plays a vital role in inter-connecting electrical & electronic components fitted all across the vehicle.  As per cable standard, DIN 72551 or ISO 6722, copper conductors being used in stranded wires against cable cross-section & corresponding weight.  While going complete wire-less requires each component to have its own battery, ground, transmitter & receiver which indeed is a very costly affair to be employed in vehicle as huge development cost is required.  Here I'm suggesting an innovative method to make a vehicle apparently Wire-Less by creating local clusters connected to each other via conventional wiring harness & wire-less module.  Such method will apparently give a look of Wire-less vehicle itself & better advantages in terms of installation, service, troubleshooting, uptime & customer delight.  Moreover, direct benefits of Cost, Weight, FE will also be achieved.
Technical Paper

High rigidity and light weight bumper material development in India

2019-11-21
2019-28-2553
Vehicle weight reduction becomes important at the view point of fuel efficiency improvement and CO2 reduction in India also as well as developed countries. With this background, High tensile and Super high tensile steel application has become increasing. Similary, weight reduction of big plastic parts like bumper face is one of the most important items, so Honda has developed Thin-wall and light weight bumper face. In the development of light weight bumper, rigidity, impact strength and flowability which are main requirement are cotradictory property. It is necessary to develop new material to achieve this technical concern. Moreover, we verified part shape and thickness optimization to achieve part requirement. Established high property material and part manufacturing technology were applied for current CITY firstly, and it has been expanded to other models sequentially to contribute weight reduction for Honda vehicles.
Technical Paper

NEXT GENERATION POWER DISTRIBUTION UNIT IN WIRING HARNESS

2019-11-21
2019-28-2571
Keywords – Miniaturization, Low Profile (LP) Relays, Low Profile (LP) Fuses, Fuse box, Wiring Harness Research and/or Engineering Questions/Objective With the exponential advancement in technological features of automobile’s EE architecture, designing of power distribution unit becomes complex and challenging. Due to the increase in the number of features, the overall weight of power distribution unit increases and thereby affecting the overall system cost and fuel economy. The scope of this document is to scale down the weight and space of the power distribution unit without compromising with the current performance. Methodology Miniaturization involves replacing the mini fuses and J-case fuses with LP mini and LP J-case fuses respectively. The transition doesn’t involve any tooling modification and hence saves the tooling cost.
Technical Paper

Automobile Exhaust Emmision Control- A review

2019-11-21
2019-28-2382
Since the 20th century increase in the number of cars in the major cities is been a point of concern because of the toxic gasses being emitted from the engine of an automobile. These gasses are polluting the atmosphere and degrading the air to breathe. The main gasses responsible for the degradation of air quality are carbon monoxide, hydrocarbon and oxides of nitrogen. There is a necessity to find ways to reduce the pollution emitted into the atmosphere from the automobile. The source of emission is either evaporation from fuel tank or carburetor which is easy to be dealt with or harmful gasses due to improper combustion which is a concern for the environment. The two ways to reduce these emissions are, modification in the engine to minimize the production of harmful gases and to treat the harmful gasses emitted from the engine before blowing it into the atmosphere from the exhaust. Catalysts help to break harmful gasses into smaller compounds that are environment-friendly.
Technical Paper

Aerodynamic Analysis of a Passenger Car to Reduce Drag using Active Grill Shutters and Active Air Dams

2019-11-21
2019-28-2408
Active aerodynamics can be defined as the concept of reducing drag by making real-time changes to certain devices such that it modifies the airflow around a vehicle. Using such devices also have the added advantages of improving ergonomics and performance along with aesthetics. A significant reduction in fuel consumption can also be seen when using such devices. The objective of this work is to reduce drag acting on a passenger car using the concept of active aerodynamics with grill shutters and air dams. First, analysis has been carried out on a baseline passenger car and further simulated using active grill shutters and air dams for vehicle speed ranging from 60 kmph to 120 kmph, with each active device open from 0° to 90°. The improved model obtained is then subjected to variations in yaw angle ranging from -18° to +18°. The optimized model is then validated for a scaled down prototype in a wind tunnel.
Technical Paper

Effect of variable payload on Vehicle dynamics of Passenger buses in Indian usage conditions

2019-11-21
2019-28-2411
A high impetus from Government on road infrastructure development, is giving a fillip to passenger CV space. This has resulted in making the passenger CV segment lucrative enough, thereby pulling in many operators in the business. The quality of road has immensely improved over a decade, as a result of which the average speed and hence the quantum of distance covered by passenger buses has increased significantly. People are preferring to travel in buses over trains, owing to at par ticket cost, high availability, reduced travel time and also improved level of comfort. Aligned to the market need and the trend, OEM's are offering buses with capable powertrains to cater the need of speed, reduced trip time as well as a lot of attention is also being paid to tune in the comfort level for long hauls. A big chunk of passenger travel is catered by the bus operators especially during major festivals in India.
Technical Paper

The Dynamic Stability Index Calculator for Agricultural Tractors Equipped with Front End Loader

2019-11-21
2019-28-2420
The study aims to evaluate the lateral stability of tractor-front end loader system in consideration with difficult work conditions based on various loader bucket lifting heights from ground while driving a system on transversal slopes. In the proposed method the centre of gravity of tractor-front end loader system was calculated and analysed to evaluate the transversal overturning of the system. This overturning of the system was analysed by applying mathematical equations presented in past studies and compared with the newly developed prediction model for 3 test tractors of 25 HP. The excel spreadsheet comprised of mathematical equations used to calculate the Tractor Stability Index (TSI) on transverse slope with respect to loader bucket height and payload in dynamic condition. A criterion has been defined to categorize the Tractor Stability Index (TSI) poor to excellent on a scale of 0 to 4 where <0 being the very poor, 0-2 Poor, 2-4 Good and >4 being the excellent.
Technical Paper

Suspension hard points optimisation

2019-11-21
2019-28-2419
Objective This paper explores the usage of Altair simulation driven optimisation process, Front Suspension hard points of a sedan Car model are optimised for specific target toe curves using MotionView, MotionSolve and HyperStudy This process gives the optimal hard point values to match the target curves without much iterations. Methodology Parametric Multibody model of the front end of sedan is built in MotionView. To Carry out optimisation HyperStudy is used where few of the suspension hard points which affect the toe curves are chosen as design variable. For the chosen Design variables upper and lower bound limits are specified. Ride, Roll and lateral force tests are performed. Optimisation is performed using HyperStudy where it iterates the suspension hard points to match the target toe curves. Each iteration response can be visualized in HyperStudy and can be compared with the target toe curve.
Technical Paper

DEVELOPMENT OF A FLEET MANAGEMENT SYSTEM FOR AN OFF-HIGHWAY VEHICLE

2019-11-21
2019-28-2439
DEVELOPMENT OF A FLEET MANAGEMENT SYSTEM FOR AN OFF-HIGHWAY VEHICLE V.Jagannathan 1.a* , B.Jaiganesh 2.b & S.Sudarsanam 3.c Mahindra & Mahindra Limited, Mahindra Research Valley, Mahindra World City, Anjur PO, TN, India Corresponding author Email- V.JAGANNATHAN@mahindra.com Managing an off-highway vehicle fleet during validation is a challenging task. Complexity is acquainted when more than 100 vehicles with different horse power (hp) & with different product configuration working across India and other parts of countries. Traditionally, a tractor validation involves data collection such as usage hours (Hour meter reading on cluster), locations etc. which are recorded in spread sheet and updated to the respective project owners on daily basis through mail communications. A manual recording and consolidation of tractors validation status is prone to error, reiterative work, consumes more resource and effort.
Technical Paper

Enhanced Road condition monitoring for developing countries

2019-11-21
2019-28-2462
"According to Data on Road accidents in India by Transport Research Wing of Ministry of Road Transport & Highways, more than 4 Lakhs road accidents happened every year from year 2003 to 2017. Poor road conditions and badly designed roads are the common cause of road accidents besides the driver's negligence. Poor roads and badly designed speed breakers are common in developing countries. Apart from accidents, poor road conditions can cause excessive fuel consumption & damage to vehicles. Road condition monitoring solutions aim to warn the drivers of upcoming bad patch on the road and optionally report road conditions to authorities. There are multiple existing solutions that use motion sensors and GPS to detect a bad patch on the road. The presented solution builds over capability of existing solutions by adding useful features making it more practical and useful.
Technical Paper

INTRODUCTION OF GREEN LED LIGHT FOR SAFETY, POLLUTION CONTROL, FUEL SAVING AND MOTION INDICATOR IN AUTOMOBILES.

2019-11-21
2019-28-2455
Research and/or Engineering Questions/Objective - This invention relates to introduction of GREEN LED LIGHT for safety, fuel saving, pollution control and motion indicator in automobiles. At present, every vehicle is provided with red light, orange light and white light at the rear end of the vehicle. Now, there is no such light which can tell about the motion of the vehicle, whether the vehicle's engine is using its power to move or going on in rolling condition. According to the present invention a GREEN LED LIGHT is introduced at the rear end f the vehicle. The green led light is on when the vehicle is using its engine's power to move. At present, when we drive behind the vehicle we continuously make assumption about the motion of the vehicle in front of us. This GREEN LED LIGHT will give exact information about the motion of the vehicle.
Technical Paper

Electric Commercial Vehicles And Charging Solutions

2019-11-21
2019-28-2476
Objective : Objective of the paper is to acquaint the audience with the concept of electric vehicles, Powertrain components used in an electric bus, Siemens contribution to the field of Electromobility, Typical configurations used in an electric bus, challenges and current limitations, emerging Technologies, future, how to address the future charging infra requirement. Methodology : The subject shall be discussed with the audience through a presentation coupled with Explanation by the presenter. The topic shall be opened with the concept of electromobility followed By history of electromobility at Siemens, contribution to the field of electro mobility, typical configurations of electric vehicles, Advantages of electric vehicles vis a vis conventional diesel buses, typical configurations of an electric bus, feasibility of electric buses for various transport services. Comparison of induction motor Vs.
Technical Paper

Importance & contribution of Alternate fuels in India's Green mobility story.

2019-11-21
2019-28-2376
Indian automotive industry has witnessed never-seen-before push towards Green mobility from the Government of India (GOI). GOI has maintained a firm stature while leap-frogging from BS-IV to BS-VI and has backed up its intent with equally firm actions of providing the facilities, infrastructure and necessary support to industry. After a lot of initial resistance, the Auto manufacturers have taken up the challenge and are well paced towards meeting the target of 1st April, 2020. Due to many aspects such as commercial viability, wide range of expectation from different type of customer segments e.g. 2-wheeler, 3-wheelers, SCV, Light & MHCV and passenger car segments etc. the overall landscape of market in terms of product segmentation, Diesel-Petrol share pattern is poised to change. Parallel to this development, a wave of electric vehicle enthusiasts has hit the world which boasts of being the ultimate solution towards Green mobility.
Technical Paper

Modeling for collective effect of Muffler geometric modifications and blended microalgae fuel use on exhaust performance of a four-stroke diesel engine: A Computational Fluid Dynamics Approach

2019-11-21
2019-28-2377
Engine performance significantly depends on the effective exhaust of the combustion gases from the muffler. With stricter BSVI norms more efficient measures has to be adopted to reduce the levels of exhaust emissions from the exhaust to the atmosphere. Muffler along with reducing the engine noise, is intended to control the back pressure as well. Back pressure change has significant effect on muffler temperature distribution which affects the NOx emission from the exhaust. Many research communications have been made to reduce the exhaust emissions like HC, CO and CO2 from the exhaust by using different generation biofuels as alternate fuel, yet they have confronted challenges in controlling the NOx content from exhaust. This work presents the combined effect of Muffler geometry modifications and blended microalgal fuel on exhaust performance with an aim to reduce NOx emission from the exhaust of a four-stroke engine.
Technical Paper

Experimental investigation on performance and emission characteristics of a single cylinder CRDI engine fuelled with a diesel-methanol blend.

2019-11-21
2019-28-2380
The diesel engine is widely used for its high thermal efficiency and better fuel conversion efficiency. However, increasing usage of petroleum fuel and environmental degradation motivates to use renewable biofuels as a replacement to conventional diesel. Biofuels produced from non-edible sources can be used as a partial substitute of diesel for the significant growth of fuel economy and reduction of environmental pollution. Methanol can be implemented as a blended fuel in the diesel without affecting engine design. In this study, the effect of diesel methanol blends and injection parameters such as fuel injection pressure (FIP)and start of injection (SOI) on a common rail direct injection (CRDI) diesel engine performance and emission were investigated. Four blends were prepared by mixing diesel with methanol (5%, 10%, 15% and 20% by mass) and adding a certain amount of oleic acid and iso-butanol to get a stable blend.
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