| 输入有饱和的轧机液压伺服系统的多模型切换控制 |
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| 引用本文： | 方一鸣,范志远,欧发顺,焦晓红. 输入有饱和的轧机液压伺服系统的多模型切换控制[J]. 控制理论与应用, 2011, 28(3): 438-442 |
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| 作者姓名： | 方一鸣 范志远 欧发顺 焦晓红 |
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| 作者单位： | 燕山大学,电气工程学院,工业计算机控制工程河北省重点实验室,河北,秦皇岛,066004 |
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| 基金项目： | 国家自然科学基金资助项目(61074099, 60774018). |
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| 摘 要： | 针对轧机液压伺服系统随工况变化而存在的弹性负载力和外负载力跳变所引起的结构跳变问题,建立并优化了考虑控制输入饱和特性的、系统连续工作时不同工况下的轧机液压伺服系统被控对象的多模型集.对每一模型采用线性矩阵不等式(LMI)方法设计了抗饱和状态反馈控制器,并制定了整个系统的切换策略,分析了具有饱和输入和外部扰动的切换系统的...
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| 关 键 词： | 控制输入饱和 液压伺服系统 多模型 切换控制 |
| 收稿时间： | 2009-03-01 |
| 修稿时间： | 2010-03-13 |
Multi-model switching control with input saturation for hydraulic servo system in rolling mill |
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| FANG Yi-ming,FAN Zhi-yuan,OU Fa-shun and JIAO Xiao-hong. Multi-model switching control with input saturation for hydraulic servo system in rolling mill[J]. Control Theory & Applications, 2011, 28(3): 438-442 |
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| Authors: | FANG Yi-ming FAN Zhi-yuan OU Fa-shun JIAO Xiao-hong |
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| Affiliation: | Key Lab of Industrial Computer Control Engineering of Hebei Province, College of Electric Engineering, Yanshan University,Key Lab of Industrial Computer Control Engineering of Hebei Province, College of Electric Engineering, Yanshan University,Key Lab of Industrial Computer Control Engineering of Hebei Province, College of Electric Engineering, Yanshan University,Key Lab of Industrial Computer Control Engineering of Hebei Province, College of Electric Engineering, Yanshan University |
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| Abstract: | To deal with the structure jump problem caused by the abrupt change of elastic load force and the external load force in mill hydraulic servo system, we develop and optimize a set of models for the controlled system with control input saturation in different continuous operation conditions. An anti-saturation state-feedback controller is designed by using the linear matrix inequality(LMI) method for each model, and a switching control scheme is proposed for the whole system. The stability is analyzed for the designed switched system with input saturation and external disturbances. Simulation result for the mill hydraulic servo system demonstrates that the designed control system has a good stability and desired static/dynamic performance. |
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| Keywords: | control input saturation hydraulic servo system multi-model switching control |
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