| 反馈系统中PID控制器特性分析 |
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| 作者姓名： | 刘鹏 薛伟琪 许浒 |
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| 作者单位： | 中国空间技术研究院西安分院;西安联通公司;武汉第二船舶设计研究所; |
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| 摘 要： | PID控制器自发明以来,被广泛应用于工业控制领域,但必须针对被控对象选择合适的参数,才能使闭环反馈系统获得良好的瞬态和稳态特性。文章分析了PID控制器参数对系统特征方程根的影响,指出调整PID参数可以确定系统特征方程的极点,使系统获得满意的闭环特性;并用仿真结果证明了PID控制器可使具有延时、积分特性的被控对象得到良好的特性。
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| 关 键 词： | 反馈控制 PID控制器 特性分析 |
Properties Analysis of PID Controller in the Feedback System |
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| Authors: | LIU Peng XUE Wei-qi XU Hu Xi'an China Unicom Xi'an Wuhan Second Ship Research Institute Wuhan China |
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| Institution: | LIU Peng1,XUE Wei-qi2,XU Hu3(1.China Academy of Space Technology(Xi'an),Xi'an 710000,2.China Unicom,Xi'an 710100,3.Wuhan Second Ship Research Institute,Wuhan 430064,China) |
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| Abstract: | PID controllers have been widely used in the field of industrial control since invention.However,parameters of the controlled object should be selected appropriately to obtain good transient and steady-state properties of the close-loop feedback system.Based on that,the paper analyzes effects of PID control parameters on roots of the characteristic equation of the system,and points out that poles of the characteristic equation could be obtained to get satisfactory close-loop property for the system.Ultimate... |
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| Keywords: | Feedback control PID controller Character analysis |
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