| 基于滞后时间削弱器的模糊PID控制系统设计与仿真 |
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| 引用本文： | 董伟烽,李钟慎.基于滞后时间削弱器的模糊PID控制系统设计与仿真[J].福州大学学报(自然科学版),2009,37(1). |
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| 作者姓名： | 董伟烽 李钟慎 |
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| 作者单位： | 华侨大学机电及自动化学院,福建,泉州,362021
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| 基金项目： | 福建省自然科学基金，华侨大学高层次人才科研启动经费资助项目 |
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| 摘 要： | 针对大滞后对象控制难以及其PID参数整定难的问题,提出一种有效控制大滞后对象的方法.首先利用滞后时间削弱器将大滞后对象演变成小滞后的等效对象,然后用模糊控制对PID参数进行在线自整定,即构成模糊PID控制器,进而对小滞后的等效对象进行自适应控制.仿真结果表明,该控制系统与常规PID控制系统相比,具有良好的动、稳态特性和较强的抗干扰性、鲁棒性.
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| 关 键 词： | 大滞后对象 滞后时间削弱器 模糊PID控制 鲁棒性 |
The design and simulation of fuzzy PID control system based on decreasing delay-time controller |
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| DONG Wei-feng,LI Zhong-shen.The design and simulation of fuzzy PID control system based on decreasing delay-time controller[J].Journal of Fuzhou University(Natural Science Edition),2009,37(1). |
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| Authors: | DONG Wei-feng LI Zhong-shen |
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| Institution: | College of Mechanical Engineering and Automation;Huaqiao University;Quanzhou;Fujian 362021;China |
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| Abstract: | Aiming at the problems that the large time-delay object was difficult to control and its PID parameter was hard to adjust,this paper proposed an effective method to control the large time-delay object.Based on the decreasing delay-time controller,the large time-delay object was changed into a small time-delay object.And then by using the method of the fuzzy control to adjust PID parameter itself online,a fuzzy PID controller was built in order to control the small time-delay object adaptively.The simulation... |
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| Keywords: | large time-delay object decreasing delay-time controller fuzzy PID control robustness |
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