COLLISION WARNING SYSTEM USING CAN PROTOCOL

Electronics and communication Engineering

This paper deals with Collision warning systems that are used to improve safety and reduce accidents on the road. Most Accidents are caused by severe injury and death by delay to apply the brake pads. Light-based ranging Lidar sensor is placed front-end of the car to warn the driver in case of any pedestrian or vehicle is detected it applies the brake pad gradually during high-speed driving. The CAN protocol act as a communication transceiver that is interconnected with all the nodes for data transfer. CAN protocol is used to transmit and receive the data at a higher speed of 1Mbit/s to get a quick response. The higher priority identifier always wins bus access to transfer the data. Lidar sensor data is calibrated in distance (cm) used to give a warning signal during the collision scenario and output taken for applying the Brake Pad in a micro sec to reduce the latency delay. Output parameters are sensor input data and time taken to apply the brake to reduce the automatic emergency braking system latency to avoid a collision.

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