A new kind of volume control hydraulic press that combines the advantages of both hydraulic and SRM(switched reluctance motor) driving technology is developed.Considering that the serious dead zone and time-variant no...A new kind of volume control hydraulic press that combines the advantages of both hydraulic and SRM(switched reluctance motor) driving technology is developed.Considering that the serious dead zone and time-variant nonlinearity exist in the volume control electro-hydraulic servo system,the ILC(iterative learning control) method is applied to tracking the displacement curve of the hydraulic press slider.In order to improve the convergence speed and precision of ILC,a fuzzy ILC algorithm that utilizes the fuzzy strategy to adaptively adjust the iterative learning gains is put forward.The simulation and experimental researches are carried out to investigate the convergence speed and precision of the fuzzy ILC for hydraulic press slider position tracking.The results show that the fuzzy ILC can raise the iterative learning speed enormously,and realize the tracking control of slider displacement curve with rapid response speed and high control precision.In experiment,the maximum tracking error 0.02 V is achieved through 12 iterations only.展开更多
Y90-62011-188 0005238执行器=WA Ⅱ-9:actuator[会,英]//1999 IEEE In-tcrnational Conference on Robotics and Automation.Vol.1.—188~212(NiH)本部分收录4篇论文,内容涉及直接驱动电动机系统采用均质电变流体的高刚度控制,变传送...Y90-62011-188 0005238执行器=WA Ⅱ-9:actuator[会,英]//1999 IEEE In-tcrnational Conference on Robotics and Automation.Vol.1.—188~212(NiH)本部分收录4篇论文,内容涉及直接驱动电动机系统采用均质电变流体的高刚度控制,变传送负荷感应执行器,基于非线性模型电液执行器的鲁棒力控制器设计,采用通讯受限信道电机网的分布式控制方案。展开更多
基金Project(2007AA04Z144) supported by the National High-Tech Research and Development Program of ChinaProject(2007421119) supported by the China Postdoctoral Science Foundation
文摘A new kind of volume control hydraulic press that combines the advantages of both hydraulic and SRM(switched reluctance motor) driving technology is developed.Considering that the serious dead zone and time-variant nonlinearity exist in the volume control electro-hydraulic servo system,the ILC(iterative learning control) method is applied to tracking the displacement curve of the hydraulic press slider.In order to improve the convergence speed and precision of ILC,a fuzzy ILC algorithm that utilizes the fuzzy strategy to adaptively adjust the iterative learning gains is put forward.The simulation and experimental researches are carried out to investigate the convergence speed and precision of the fuzzy ILC for hydraulic press slider position tracking.The results show that the fuzzy ILC can raise the iterative learning speed enormously,and realize the tracking control of slider displacement curve with rapid response speed and high control precision.In experiment,the maximum tracking error 0.02 V is achieved through 12 iterations only.
文摘Y90-62011-188 0005238执行器=WA Ⅱ-9:actuator[会,英]//1999 IEEE In-tcrnational Conference on Robotics and Automation.Vol.1.—188~212(NiH)本部分收录4篇论文,内容涉及直接驱动电动机系统采用均质电变流体的高刚度控制,变传送负荷感应执行器,基于非线性模型电液执行器的鲁棒力控制器设计,采用通讯受限信道电机网的分布式控制方案。