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1、摘要在现代的工业控制、车辆运动和医疗设备等系统中，悬挂运动控制系统的应用越来越多，在这些系统中悬挂运动部件通常是具体的执行机构，因而悬挂部件的运动精确性是整个系统工作效能的决定因素，而在实际中实现悬挂运动控制系统的精确控制是非常困难的。靠改变悬挂被控对象的绳索长短来控制被控对象运动轨迹的悬挂运动控制系统，在生产控制等领域有很广的应用范围，但受技术上的制约，使用也有一定限制。悬挂轨迹控制系统是一电机控制系统，控制物体在80cm*100cm的范围内作直线、圆、寻迹等运动，并且在运动时能显示运动物体的坐标。设计
2、采用AT89C52单片机作为核心器件实现对物体运动轨迹的自动控制，通过多圈电位器实现对悬挂物位置的精确测量，并引入局部闭环反馈控制环节对误差进行修正。以达到对物体的控制和对坐标点的准确定位。采用脉冲宽度调制技术控制直流电机驱动芯片L298，以实现对电机的转速、转向、启停等多种工作状态进行快速而准确的控制。采用红外光电传感器实现检测电机速度和画板上黑色曲线轨迹。关键词：运动轨迹；多圈电位器；脉宽调制；红外反射光电传感器；直流电机52DesignofControlSystemofSuspensionMovem
3、entTrackBasedonMCUAbstractIn modern industrial control, medical equipment and vehicles movement system, the application of suspension movement control system more and more, hanging in the moving parts in these systems are usually specific executive mechan
4、ism, thus the motion accuracy of suspension components is a major determinant of the whole system performance, and in practice to realize accurate control of suspension movement control system is very difficult. By changing suspension rope length of the c
5、ontrolled system to control the movement trajectory of the controlled suspension control system, and in production control and other fields have a wide range of applications, but the restriction of the technology, used also to have certain restriction.Han
6、gtrajectorycontrolsystemisamotorcontrolsystem,objectmakelinear,circle,searchinglocusandetclocomotionwithintherangeofthe80cm×100cm,whilemovementsystemcandisplaythecoordinateoftheobject.AdoptAT89S51MCUasthemainparttorealizetheautomaticcontroloftheobjectmoti
7、onlocusinthisdesign,systemusingmultiturnpotentiometertomeasurethepositionofobject,andintroduceslocalclosed-loopfeedbackcontrolsystemlinktocorrecterror,inthatcasesystemcanimprovetheaccuracyofcontrolandorientation.InthisdesignsystemalsoadoptPWMtechniquecont
8、rolDCmotordrivechipL298torealizetheaccuratecontrolofmotorrotationspeed,rotationdirection,Start,Stopandetcoperatingposition.Systemadoptinfraredphotosensormeasuremotorrotationspeedanddrawinglocusbyblackcurveonthepalet
