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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
Volume8906
Pages89061Y
2013
Language英语
ISSN0277786X
DOI10.1117/12.2034601
Indexed ByEi
Subtype会议论文
AbstractElectro-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.; 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.
Conference NameProceedings of SPIE: International Symposium on Photoelectronic Detection and Imaging 2013: Laser Communication Technologies and Systems
Conference Date2013
Citation statistics
Document Type会议论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/7402
Collection光电工程总体研究室(一室)
Affiliation1. 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
Recommended Citation
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],2013:89061Y.
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