| 电液位置伺服系统模型辨识与非线性控制 |
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| 引用本文： | 邵俊鹏,王仲文,李建英,韩桂华. 电液位置伺服系统模型辨识与非线性控制[J]. 机械科学与技术, 2010, 0(4) |
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| 作者姓名： | 邵俊鹏 王仲文 李建英 韩桂华 |
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| 作者单位： | 哈尔滨理工大学机械动力工程学院; |
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| 基金项目： | 国家科技重大专项子项目(2009ZX04002-042-02);;黑龙江省自然科学基金重点项目(Zjg0702-01)资助 |
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| 摘 要： | 针对电液伺服系统非线性、参数时变的特点,为提高系统的性能,首先介绍了电液位置伺服控制系统的组成与工作原理,讨论了系统的非线性数学模型,利用实时工作间(RTW)的半实物仿真环境和MATLAB系统辨识工具箱,对电液位置伺服系统进行了系统模型辨识及验证。在此基础上,以辨识得到的模型为控制对象提出了一种Bang-Bang与模糊PID非线性控制方案,与传统PID以及模糊PID控制方法进行了仿真比较。结果表明,采用Bang-Bang与模糊PID复合控制,在系统参数变化、外界扰动的影响下,系统的快速性提高,稳态误差得到消除,具有较好的动态鲁棒性能。
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| 关 键 词： | 电液伺服系统 模型辨识 Bang-Bang控制 模糊PID 半实物仿真 |
Model Identification and Nonlinear Control of an Electro-hydraulic Position Servo System |
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| Shao Junpeng,Wang Zhongwen,Li Jianying,Han Guihua. Model Identification and Nonlinear Control of an Electro-hydraulic Position Servo System[J]. Mechanical Science and Technology for Aerospace Engineering, 2010, 0(4) |
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| Authors: | Shao Junpeng Wang Zhongwen Li Jianying Han Guihua |
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| Affiliation: | College of Mechanical and Power Engineering/a>;Harbin University of Science and Technology/a>;Harbin 150080 |
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| Abstract: | According to the nonlinear and parameter time-varying characteristics of an electro-hydraulic servo system,in order to improve its performance,the composition and principle of the electro-hydraulic position servo control system is introduced and its nonlinear mathematical model is established firstly.Then,system model identification and verification were carried out based on hardware-in-the-loop simulation environment of real-time workshop(RTW) and system identification toolbox in MATLAB.A hybrid nonlinear ... |
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| Keywords: | electro-hydraulic servo system model identification bang-bang control fuzzy-PID hardware-in-the-loop simulation |
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