| 基于Matlab的液压伺服系统二次型最优控制器设计 |
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| 引用本文： | 蒙磊,丁问司. 基于Matlab的液压伺服系统二次型最优控制器设计[J]. 机械设计与制造, 2010, 0(1) |
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| 作者姓名： | 蒙磊 丁问司 |
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| 作者单位： | 华南理工大学,机械与汽车工程学院,广州,510641 |
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| 基金项目： | 国家自然科学基金资助项目(50775075);;机械系统与振动国家重点实验室资助项目(VSN-2008-01) |
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| 摘 要： | 分析泵控液压马达传递函数,给出液压伺服系统通用数学模型;运用二次型最优控制理论,将最优控制的性能泛函与液压伺服系统的动态误差指标相结合,在matlab环境下编程仿真求解最优意义下的控制器。对系统响应曲线及频谱图进行分析,提出了最佳加权矩阵的一般形式,并指出了提高系统频宽的途径,为电液伺服系统提供了一种有效的优化设计方法。
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| 关 键 词： | 液压伺服系统 最优控制 加权矩阵 matlab |
Design based on MATAB for quadratic optimal controllers in the hydraulic servo system |
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| MENG Lei,DING Wen-si. Design based on MATAB for quadratic optimal controllers in the hydraulic servo system[J]. Machinery Design & Manufacture, 2010, 0(1) |
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| Authors: | MENG Lei DING Wen-si |
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| Affiliation: | School of Mechanical & Automotive Engineering/a>;South China University of Technology/a>;Guangzhou 510641/a>;China |
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| Abstract: | the common mathematical model of the hydraulic servo system is given by analysis of the transfer function of the hydraulic pump-controlled servomotor.In application of the linear quadratic optimal control theory,hydraulic servo system dynamic error indicators are combined with the performance function of the optimal control in order to solve the feedback controller in optimal sense under the programming and simulation environment in MATLAB.In analyzing the system response curve and magnitude and phase diagr... |
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| Keywords: | Hydraulic servo system Optimal control Weighting matrix Matlab |
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