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泵控并联变量马达速度系统复合控制策略

郑琦 李运华 杨丽曼

郑琦, 李运华, 杨丽曼等 . 泵控并联变量马达速度系统复合控制策略[J]. 北京航空航天大学学报, 2012, 38(5): 692-696.
引用本文: 郑琦, 李运华, 杨丽曼等 . 泵控并联变量马达速度系统复合控制策略[J]. 北京航空航天大学学报, 2012, 38(5): 692-696.
Zheng Qi, Li Yunhua, Yang Limanet al. Compound control strategy for the pump-controlled-parallel-variable-displacement-motor speed system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(5): 692-696. (in Chinese)
Citation: Zheng Qi, Li Yunhua, Yang Limanet al. Compound control strategy for the pump-controlled-parallel-variable-displacement-motor speed system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(5): 692-696. (in Chinese)

泵控并联变量马达速度系统复合控制策略

基金项目: 国家自然科学基金资助项目(51075016,61004024); 高等学校博士点科研基金资助项目(20080061061)
详细信息
  • 中图分类号: TH 137.31; TP 273.3

Compound control strategy for the pump-controlled-parallel-variable-displacement-motor speed system

  • 摘要: 针对泵控并联变量马达速度系统中的流量自适应分配特性和相乘非线性环节,提出了分别通过变量泵实现系统压力控制和变量马达实现所驱动轴的转速控制的复合控制架构.针对泵控压力系统和变量马达调速系统分别推导了二阶线性化模型.为实现系统压力动态调节,提出了期望压力规划方法,并设计了滑模控制器.通过在变量马达调速PID(Proportion Integration Differentiation)控制器引入扰动观测器,抑制了非线性扰动和未知负载扰动,提高了波动压力下的稳态精度.结合双轴驱动车辆行走驱动转速系统设计了复合控制器,仿真结果确认了所提出的复合控制策略的有效性.

     

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出版历程
  • 收稿日期:  2011-09-20
  • 网络出版日期:  2012-05-30

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