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基于复合控制的电液负载模拟器多余力抑制研究

艾志久 王云瑞 舒建华 刘旭 陈瑞 吴定定

艾志久, 王云瑞, 舒建华, 刘旭, 陈瑞, 吴定定. 基于复合控制的电液负载模拟器多余力抑制研究[J]. 应用数学和力学, 2017, 38(3): 321-332. doi: 10.21656/1000-0887.370185
引用本文: 艾志久, 王云瑞, 舒建华, 刘旭, 陈瑞, 吴定定. 基于复合控制的电液负载模拟器多余力抑制研究[J]. 应用数学和力学, 2017, 38(3): 321-332. doi: 10.21656/1000-0887.370185
AI Zhi-jiu, WANG Yun-rui, SHU Jian-hua, LIU Xu, CHEN Rui, WU Ding-ding. Elimination of Surplus Forces in Electrohydraulic Load Simulators Based on Compound Control[J]. Applied Mathematics and Mechanics, 2017, 38(3): 321-332. doi: 10.21656/1000-0887.370185
Citation: AI Zhi-jiu, WANG Yun-rui, SHU Jian-hua, LIU Xu, CHEN Rui, WU Ding-ding. Elimination of Surplus Forces in Electrohydraulic Load Simulators Based on Compound Control[J]. Applied Mathematics and Mechanics, 2017, 38(3): 321-332. doi: 10.21656/1000-0887.370185

基于复合控制的电液负载模拟器多余力抑制研究

doi: 10.21656/1000-0887.370185
基金项目: 国家自然科学基金(51074202)
详细信息
    作者简介:

    艾志久(1954—),男,教授,博士生导师(通讯作者. E-mail: aizhijiu@swpu.edu.cn);王云瑞(1992—),男,硕士生(E-mail: 1225308867@qq.com).

  • 中图分类号: V216.8

Elimination of Surplus Forces in Electrohydraulic Load Simulators Based on Compound Control

Funds: The National Natural Science Foundation of China(51074202)
  • 摘要: 针对电液负载模拟系统存在多余力且该多余力严重影响系统加载精度与控制性能的问题,建立了系统各部分以及整个系统的数学模型.通过对数学模型的研究,分析了系统多余力的产生机理,并建立了系统多余力的传递函数.提出了前馈PID复合控制的方法,并对该方法进行了仿真分析和实验研究.在仿真分析中,通过对多余力消扰前、引入前馈控制消扰后及引入复合控制消扰后3种情况的比较,说明前馈PID复合控制能够有效抑制系统多余力.实验结果进一步验证了前馈PID复合控制的有效性,同时实验结果显示在运动换向时系统多余力将出现突变,为下一步的研究指明了方向.
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出版历程
  • 收稿日期:  2016-06-12
  • 修回日期:  2016-06-28
  • 刊出日期:  2017-03-15

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