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Volume 32 Issue 05
May  2006
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Journal of Beijing University of Aeronautics and Astronautics  > 2006  >  32(05): 548-552.
Jin Hongtao, Jiao Zongxia, Wang Shaoping, et al. Design and realization of high reliability tri-redundancy digital actuator controller[J]. Journal of Beijing University of Aeronautics and Astronautics, 2006, 32(05): 548-552. (in Chinese)
Citation: Jin Hongtao, Jiao Zongxia, Wang Shaoping, et al. Design and realization of high reliability tri-redundancy digital actuator controller[J]. Journal of Beijing University of Aeronautics and Astronautics, 2006, 32(05): 548-552. (in Chinese)
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Design and realization of high reliability tri-redundancy digital actuator controller

  • 1.

    School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • 2. The First Research Institute of Ministry of Public Security, Beijing 100044, China

  • Received Date: 27 Apr 2005
  • Publish Date: 31 May 2006
    Abstract
  • To attain a high reliability, controller of the servo actuating system was developed with tri-redundancy. CCDL(cross channel data link), synchronization between different channels, setting voting/monitoring plane and other key technologies of redundancy were presented. A method of self-monitoring of one channel by the inter-monitoring of two controllers was presented. By comparison monitoring, self-monitoring and cross-monitoring, two failures-operation and three failures-safety of the tri-redundancy system were realized effectively. The redundancy scheme is simplified while the basic reliability is higher compared with other redundancy schemes. The tri-redundancy digital actuator controller was developed based on the technologies of high-speed DSP(digital signal processor) and CAN(controller area network) bus. Taking into account of coverage percentage of one fault and two faults, reliability of the controller was analyzed based on the Markov model, analysis shows that the system has a high reliability.

     

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  • [1] 王少萍. 工程可靠性[M]. 北京:北京航空航天大学 版社, 2003 Wang Shaoping. Engineering reliability[M]. Beijing:Beijing University of Aeronautics and Astronautics Press, 2003(in Chinese) [2] Veillette R J, Medanic J V, Perkins W R. Design of reliable control systems[J]. IEEE, 1992, 37(3):290-304 [3] Bolduc L P. X-33 redundancy management system[J]. Aerospace and Electronic Systems Magazine. IEEE, 2001, 16(5):23-28 [4] 段海滨, 龚华军. 光传飞行控制系统余度技术研究[J]. 飞机设计,2002(3):35-40 Duan Haibin, Gong Huajun. Research on redundant technique of FBL flight control system[J]. Design of Plane, 2002(3):35-40(in Chinese) [5] Butler R W. The SURE approach to reliability analysis[J]. IEEE, 1992, 41(2):210-218 [6] 王丽华, 徐志根, 王长林. 可维修三模冗余结构系统的可靠性与安全性分析[J]. 西南交通大学 报, 2002,37(1):103-107 Wang Lihua, Xu Zhigen, Wang Changlin. Reliability and security analysis of 3-module redundancy system with one maintainable unit[J]. Journal of Southwest JiaoTong University, 2002,37(1):103-107(in Chinese)
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