智能小车循迹系统设计------光电循迹
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密 惠 保
【从介绍了一种自动寻迹智能车的设计,研究了采用红外反射式光电传感器作为路径采集模块实现自动寻迹的软硬件设计方法。系统采用Freescale 16 位单片机MC9S12SX128 为核心控制器,利用12个红外光电传感器构成的光电传感器阵列采集路面信息,单片机获得传感器采集的路面信息和车速信息,经过分析后控制智能车的舵机转向,同时对直流电机进行调速,从而实现智能车沿给定的黑线快速平稳地行驶。介绍了光电传感器的寻迹原理,讨论了光电传感器排列方法、布局、间隔等对寻迹结果的影响。
关键词：光电传感器，智能车，寻迹，路径识别
[资料来源：http://THINK58.com]
[资料来源：www.THINK58.com]
[资料来源：THINK58.com]
Smart Car Tracking System ------ Optical Tracking
ABSTRACT [来源：http://think58.com]
A design of autonomous tracing system in intelligent vehicle is introduced. Thesoftware and hardware design method which realizes the autonomous tracing using the infrared reflective photoelectric sensors as the path recognition module is researched.Thesystem employs Freescale HCS series 16 bit single2chip microcomputer MC9S12XS128 as its main controller and anarray of photoelectric sensors for recognizing the path information. Single2chip Microcomputer energizes the servor to steer and control the speed of the DC electric motor according to theanalysis of the path and speed information from sensors.Consequently ,this intelligent vehiclecan track the black2guide2line automatically and move forward following the line quickly andsmoothly. The autonomous tracing principle of photoelectric sensor is presented. The effects of sensors array , overall arrangment , and space on theautonomous trace are discussed. [资料来源：http://www.THINK58.com]
KEY WORDS: photoelectric senso， intelligent vehicle ，autonomous tracing，
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[资料来源：THINK58.com]