改进幂指数趋近律的航空发动机模糊滑模控制 |
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引用本文: | 田虎森,谢寿生,苗卓广,王磊,任立通. 改进幂指数趋近律的航空发动机模糊滑模控制[J]. 火力与指挥控制, 2016, 0(2): 108-112. DOI: 10.3969/j.issn.1002-0640.2016.02.027 |
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作者姓名: | 田虎森 谢寿生 苗卓广 王磊 任立通 |
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作者单位: | 1. 空军工程大学航空航天工程学院,西安,710038;2. 空军工程大学航空航天工程学院,西安 710038; 解放军95961部队,北京 100195;3. 空军工程大学航空航天工程学院,西安 710038; 解放军93704部队,北京 101100 |
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摘 要: | 针对滑模变结构控制趋近运动不具有鲁棒性的问题,提出了一种基于改进幂指数趋近律的航空发动机模糊滑模控制策略。采用一种参数模糊自调节的时变滑模面,"主动迎上"系统状态轨迹,而不是被动等待系统状态轨迹落在滑模面上,缩短趋近运动时间,提高控制器的鲁棒性;并提出了一种改进的幂指数趋近律,进一步削弱抖振。仿真结果表明,所设计的控制器取得了令人满意的控制效果,能有效地抑制干扰和参数不确定性的影响,削弱抖振。
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关 键 词: | 航空发动机 鲁棒性 滑模变结构控制 趋近律 抖振 |
Fuzzy Sliding Mode Controller For Aeroengine Based on An Improved Power Exponential Reaching Law |
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Abstract: | For the reaching process of sliding mode variable structure control without robustness,a method of fuzzy sliding mode controller for aeroengine based on an improved power exponential reaching law is put forward. The sliding mode surface adapted automatically by fuzzy system is proposed,which can shorten the time of reaching process to enhance the robustness by making the sliding mode surface near the system state. And an improved power exponential reaching law is designed,weakens the chattering. Simulation results show that the devised controller has good effect, effectively restrains the influence and weakens the chattering. |
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Keywords: | aero-engine robustness sliding mode variable structure control reaching law chattering |
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