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	H-infinity mix sensitivity controller design based on GIMC for electro-optical stabilization and tracking system
	Liu, Zi-Dong1,2,3; Bao, Qi-Liang1,2; Xia, Yun-Xia1,2,3; Liu, Xiang1,2,3
	2013
会议名称	Proceedings of SPIE: International Symposium on Photoelectronic Detection and Imaging 2013: Laser Communication Technologies and Systems
会议日期	2013
卷号	8906
页码	89061Y
中文摘要	Electro-optical stabilization and tracking system is critical and difficult issue in satellite laser communication. Moreover, line-of-sight stabilized system is the kernel of implementing electro-optical stabilization and tracking system, which can be used to isolate the vibration of the moving platform of the satellite and the disturbance of the space environment. In this paper, we propose a new method, which using H∞ mix sensitivity based on generalized internal model controller (GIMC), to design the control system of the electro-optical stabilized platform. It is well known that there is an intrinsic conflict between performance and robustness in the standard feedback framework. Generalized internal model controller is a new architecture which can separate the performance and robustness design in controller design. This architecture has two parts: a high performance controller, say K0, which is designed by PI controller in this paper, and then a robustification controller, say Q, which is designed to improve the ability of the anti disturbance by using H∞ mix sensitivity controller design method. In this paper, we also present the steps of controller design by using this method to make it easier to use. Based on the proposed method, numerical simulation and experiment are both carried out for a gyro stabilized platform of electro-optical tacking system. Both the numerical simulated and the experimental results show that the electro-optical stabilized platform using the H∞ mix sensitivity controller design method based on GIMC is accurate and effective. Comparing with the same PI controller in standard feedback framework, the proposed method can guarantee the high tracking performance as same as the PI controller and improve the external disturbance restraining ability a lot. In conclusion, H∞ mix sensitivity controller design method based on GIMC is a new approach for gyro stabilized platform of electro-optical stabilization and tracking system and might be used easily in practical. © 2013 Copyright SPIE.
英文摘要	Electro-optical stabilization and tracking system is critical and difficult issue in satellite laser communication. Moreover, line-of-sight stabilized system is the kernel of implementing electro-optical stabilization and tracking system, which can be used to isolate the vibration of the moving platform of the satellite and the disturbance of the space environment. In this paper, we propose a new method, which using H∞ mix sensitivity based on generalized internal model controller (GIMC), to design the control system of the electro-optical stabilized platform. It is well known that there is an intrinsic conflict between performance and robustness in the standard feedback framework. Generalized internal model controller is a new architecture which can separate the performance and robustness design in controller design. This architecture has two parts: a high performance controller, say K0, which is designed by PI controller in this paper, and then a robustification controller, say Q, which is designed to improve the ability of the anti disturbance by using H∞ mix sensitivity controller design method. In this paper, we also present the steps of controller design by using this method to make it easier to use. Based on the proposed method, numerical simulation and experiment are both carried out for a gyro stabilized platform of electro-optical tacking system. Both the numerical simulated and the experimental results show that the electro-optical stabilized platform using the H∞ mix sensitivity controller design method based on GIMC is accurate and effective. Comparing with the same PI controller in standard feedback framework, the proposed method can guarantee the high tracking performance as same as the PI controller and improve the external disturbance restraining ability a lot. In conclusion, H∞ mix sensitivity controller design method based on GIMC is a new approach for gyro stabilized platform of electro-optical stabilization and tracking system and might be used easily in practical. © 2013 Copyright SPIE.
收录类别	EI
学科主题	Design - Robustness (control systems) - Stabilization - Tracking (position)
语种	英语
ISSN号	0277786X
内容类型	会议论文
源URL	[http://ir.ioe.ac.cn/handle/181551/7402]
专题	光电技术研究所_光电工程总体研究室（一室）
作者单位	1.Institute of Optics and Electronics, Chinese Academy of Science, Chengdu 610209, China 2.Key Laboratory of Beam Control, Chengdu 610209, China 3.University of Chinese Academy of Science, Beijing 100039, China
推荐引用方式 GB/T 7714	Liu, Zi-Dong,Bao, Qi-Liang,Xia, Yun-Xia,et al. H-infinity mix sensitivity controller design based on GIMC for electro-optical stabilization and tracking system[C]. 见:Proceedings of SPIE: International Symposium on Photoelectronic Detection and Imaging 2013: Laser Communication Technologies and Systems. 2013.

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