ACCIDENT CONTROL FOR AUTOMOBILE

Friends,
here is my second paper with my friennd Rajesh khanna... EMBEDDED BASED AUTO MOBILE COLLISION PREVENTION... this paper is entirely different from my last paper... expect the title everything is on our own... it is completely our paper... we took nearly a weak to complete this paper... while working on this paper we learnt many recent concepts like range finder, how to select controller, braking systems, ABS, etc... it was very enjoyable and interesting to us...
And this paper got selected in ANNA UNIVERSITY, COIMBATORE and KARUNYA UNIVERSITY..
More important is that we won second prize for this in ANNA UNIVERSITY,coimbatore...
here is that interesting paper for you


EMBEDDED BASED AUTO MOBILE COLLISION PREVENTION 

Most of the automobile accidents could be avoided if the brake had been applied at proper time and at proper distance. In this paper we are using embedded system which could be embedded in the automobile to remove the driver’s reaction time from the situation. The system, consisting of controllers, which analyzes possible accident situations based on the vehicle separation distance, their relative velocity and a static friction coefficient that represents the road conditions. The controller determines the sufficient brake pressure required to prevent collisions while providing a smooth ride for the vehicle’s passengers. 

Our work is to design controller to automate and optimize the application of brake pressure to an automobile’s brakes at proper time. So first requirement implies that the two vehicles should never have any physical contact, while the second one implies that the brakes should be used only in the amount necessary, e.g., they should not undergo large excursions to make small adjustments.

In general, if the automobile in front decelerate, then the vehicle behind it must decelerate to avoid the collision.  Here, the controller tracks the vehicle and have its velocity as reference and applies the appropriate brake pressure at the proper time. So, the controller automatically decelerates to match the velocity of the tracked vehicle and avoid a collision. 

IMPORTANT PARAMETER
The parameters that we took to avoid collision are
  •  separation between the two vehicles
  • velocity with which they approach each other
  • surface conditions
  For calculating these three parameter, Laser range finders could provide the first two measurements, while wheel-slip sensors currently used for automobile Traction Control Systems or Anti-lock Breaking systems (ABS) could estimate could estimate the third measurement.  

MODULES
we have three modules, they are
  •       distance finder
  •       intelligent control module
  •       braking system 
working
here,the distance finder finds the distance between the vehicles and reports to the controller.The controller processes data and  calculates the percentage of braking. this braking is coupled with actual braking of the ABS unit..









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Hi everyone,myself Alagappan...electronic and communication engg. student... living in madurai... interested in everything... want to achieve something great in my lifetime...

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