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多模态控制在电液位置伺服系统中的仿真研究
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Project supported by Chongqing Education Commission (2012-09-3-314)


Simulation of multi-modal control in electro-hydraulic position servo-system
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    摘要:

    针对漏油、油液污染、死区、滞环等因素导致的液压伺服位置系统的参数时变、非线性等特性,探讨了基于仿人智能的多模态控制策略。分析了液压伺服位置控制存在的问题,讨论了仿人智能控制的本质特征,动态控制特征模型,总结了控制的多模态特性及其相应的控制算法。多模态控制与PID控制的仿真实验对比研究验证了多模态控制具有良好的控制品质。仿真结果表明:与PID控制相比较,采用多模态控制时电液位置伺服系统可获得更好的跟踪性能、动静态特性以及更强的鲁棒性。

    Abstract:

    Aiming at the characteristic of parameter time varying, nonlinearity etc in electro-hydraulic position servo-system caused by oil spill, oil pollution, inert zone and hysteresis, the paper explored the multi modal control strategy based on human simulated intelligent control. In the paper, it analyzed the open question of electro-hydraulic position servo-system, discussed the essential feature of human simulated intelligent control, summarized up the characteristic of multi-modal control and its corresponding control algorithm. The comparative study of simulation experiment in multi-modal control and PID control verified the good control quality of multi-modal control. The simulation results demonstrated that compared with PID control by means of multi-modal control it could obtain better tracking performance, static and dynamic characteristics as well as stronger robustness than PID control.

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周国清.多模态控制在电液位置伺服系统中的仿真研究[J].机床与液压,2014,42(6):115-119.
. Simulation of multi-modal control in electro-hydraulic position servo-system[J]. Machine Tool & Hydraulics,2014,42(6):115-119

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  • 在线发布日期: 2015-04-21
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