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Collision Avoidance System

Collision Avoidance System. Course#EENG491-M02 Group name: cavalier Group members: Wang Liyuan 613230 Li Hengyi 611076 Shan Hao 611079. Potential Market. 6 million car accidents each year in the United States A person dies in a car accident every 12 minutes

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Collision Avoidance System

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  1. Collision Avoidance System Course#EENG491-M02 Group name: cavalier Group members: Wang Liyuan 613230 Li Hengyi 611076 Shan Hao 611079

  2. Potential Market • 6 million car accidents each year in the United States • A person dies in a car accident every 12 minutes • Car crashes cost each American more than $1,000 a year .

  3. Control System • For we do not have a real car for our testing, we have to use a model to demonstrate our idea. Here we choose a toy car as our model. • The toy car will stimulate some basic functions of our collision avoidance system .

  4. Main functions • Initially the toy car just keeps going forward until it reaches the barrier.

  5. When the toy car comes near the barrier, the sensor will come up with an alarm signal which is regard as an interrupt for our microprocessor. After the interrupt the microprocessor will change its output. When the car’s remove controller received the new command, the car can change its path automatically.

  6. Whole system

  7. remote controller • Most toy cars’ remote controller have 4 buttons to control the toy car for 4 directions, but our system is an automatic system we can use these buttons. • So we have to build the circuit of the remote controller

  8. remote controller

  9. Video of testing

  10. 4 command for 4 directions • We use 4 different commands to control the 4 directions of the toy car, here is the main truth table

  11. Microprocessor Design • We write program to generate changing outputs of P1.0 & P1.4. The values can be used for the command for controlling the toy car.

  12. Video of microprocessor’s design

  13. Sensor • When the toy car comes near the barrier, the sensor will come up with an alarm signal which is regard as an interrupt for our microprocessor. After the interrupt the microprocessor will change its output. When the car’s remote controller received the new command, the car can change its path automatically.

  14. The video of the sensor’s testing

  15. Video of the testing of our whole system.

  16. result

  17. Mathematical model • We have come up with some mathematic model to stimulate the real situation for cars. The following part will be our theory research on the collision avoidance system.

  18. Doppler effect

  19. The equation is V1=V-F/f*V • T=S/V1

  20. At the end of our presentation we want to show our appreciation to Dr. Saito and other NYIT professors.

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