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Technical Paper

Development of Antilock Braking System (ABS) Controller Using Model Based Development (MBD) from Concept to Vehicle Trials

2013-01-09
2013-26-0084
The electronic content in an automobile is ever increasing for last several years due to emissions, safety and performance requirements. The complete development cycle of an electronic controller needs to be compressed to introduce new vehicle models in the market ahead of time. Antilock Braking System (ABS) ECU is one such example which has become a standard feature for most of the vehicles due to safety considerations. A project was undertaken to develop ABS ECU strategy from concept to vehicle trials with Model Based Development (MBD) technique. A methodology is established for scalable, fault tolerant, proven, and quick to implement ECU strategy development. This paper presents the development cycle followed for a unique ABS controller.
Technical Paper

Scope of Regenerative (Magnetic) Braking in the Production of Electricity in Automobiles

2013-10-14
2013-01-2543
It is of common knowledge that tapping all the feasible sources of energy and systems which prevent losses is the need of the hour. Currently, many such systems have been developed including “REGENERATIVE BRAKING”. The usual method for regenerative braking includes using a dynamo attached to the crankshaft which gets charged when the wheel rotates during idling. However, this study aims at doing this differently by attaching the regenerative system at the wheels. Considering an example of wastage of energy, a 1000 kg car brakes from 36km/h (10m/s) to 18km/h (5m/s) about 150 times in a liter consumption of diesel. We can safely calculate wastage of 5625 KJ of kinetic energy. This paper aims to explore this immense potential source of energy recovery by producing & storing electricity using magnetic braking on wheels of automobiles.
Technical Paper

Optimization Techniques to Improve the Efficiency of Regenerative (Magnetic) Braking Systems

2015-04-14
2015-01-1210
At present, vast numbers of problems are triggered due to growing global energy crisis and rising energy costs. Since, on-road vehicles constitute the majority share of transportation; any energy losses in them will have a direct effect on the overall global energy scenario. Most of the energy lost is dissipated from the exhaust, cooling, and lubrication systems, and, most importantly, in the braking system. About 6% of the total energy produced is lost with the airstream in form of heat energy when brakes are applied. Thus, various technological systems need to be developed to conserve energy by minimize energy losses while application of brakes. Regenerative Braking is one such system or an energy recovery mechanism causing the vehicle to decelerate by converting its kinetic energy into another form (usually electricity), which further can be used either immediately or stored until needed.
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