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《Journal of Chongqing Institute of Technology(Natural Science)》 2009-09
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Design of Intelligent Vehicle Based on MC9S12DG128

WEI Wu,GONG Shu-feng(School of Automation Science and Engineering,South China University of Technology,Guangzhou 510640,China)  
With Freescale's 16-bit micro-controller chip the MC9S12DG128 as the core of the signal detection and the control process,a self-tracking smart car is designed and implemented.The design of hardware of the system includes motor drive module,the speed detection module,and the road detection module.In the design of software,the photoelectric sensors for sensing the black line of the road are used to obtain the signal of the car's location,pulse width modulation(PWM) method is used to control the steering servo;the PID control algorithm is used to control the car's speed with the signals of the rear wheel speed.The test results show that the intelligent vehicle can automatically track down the road stably and quickly.
【CateGory Index】: U463.6
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