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水下液压同步控制系统研究 被引量:2
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作者 石生龙 《液压与气动》 北大核心 2013年第7期48-51,共4页
结合某型UUV水下液压同步控制系统研制,分析了水下液压系统在设计上的特殊要求及解决措施,分析了同步马达同步控制误差的产生原因以及如何在设计、安装及调试过程中消除或减小同步误差。介绍了闭式水下液压系统的注油及排气方法;对同步... 结合某型UUV水下液压同步控制系统研制,分析了水下液压系统在设计上的特殊要求及解决措施,分析了同步马达同步控制误差的产生原因以及如何在设计、安装及调试过程中消除或减小同步误差。介绍了闭式水下液压系统的注油及排气方法;对同步控制系统进行了均载及偏载同步测试,分析了偏载、温度及油液黏度对同步精度的影响。 展开更多
关键词 水下液压系统 同步控制误差 注油及排气 偏载同步测试
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Chaotic synchronization based on nonlinear state-observer and its application in secure communication
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作者 CHENMing-jie LIDian-pu ZHANGAi-jun 《Journal of Marine Science and Application》 2004年第1期64-70,共7页
Chaotic synchronization is a branch of chaotic control. Nowadays, the research and application of chaotic synchronization have become a hot topic and one of the development directions is for the research on chaos. In ... Chaotic synchronization is a branch of chaotic control. Nowadays, the research and application of chaotic synchronization have become a hot topic and one of the development directions is for the research on chaos. In this paper, a universal nonlinear stateobserver is presented for a class of universal chaotic systems to realize the chaotic synchronization, according to the theory of state-observer in the modern control theory. And theoretic analysis and simulation results have illustrated the validity of the approach. Moreover, the approach of synchronization proposed in this paper is very easy, flexible and universal with high synchronization precision.When the approach is applied to secure communication, the results are satisfying. 展开更多
关键词 chaotic synchronization nonlinear stoLe-observer synchronization error secure communication
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Multi-motor Drive System Based on Adjacent Coupling Error Strategy
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作者 李艳 何勇 李慧敏 《Journal of Donghua University(English Edition)》 EI CAS 2009年第4期344-349,共6页
A new control strategy named adjacent coupling error strategy is proposed to multi-motor drive system. The adjacent coupling error control scheme is developed considering the tracking speed error in one motor and the ... A new control strategy named adjacent coupling error strategy is proposed to multi-motor drive system. The adjacent coupling error control scheme is developed considering the tracking speed error in one motor and the synchronous error among adjacent motors simultaneously. In the strategy, due to non-linear effects of the two mentioned errors to the motion control of motor i, an adaptive fuzzy logic controller is designed to decide the control variable of the motor drive system. The multi-motor drive system is modeled and simulated by SIMULINK. The simulated researches show that the proposed strategy improves the synchronization, stabilization, and convergence of the multi-motor system. 展开更多
关键词 multi-motor synchronous control adjacent coupling error strategy adaptive fuzzy contrvller biclosed loop control system
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