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单自由度时滞系统振动主动控制
引用本文:孙峰. 单自由度时滞系统振动主动控制[J]. 上海交通大学学报, 2005, 39(1): 157-160
作者姓名:孙峰
作者单位:上海交通大学,工程力学系,上海,200240
基金项目:国家自然科学基金资助项目(10472065),上海市自然科学基金项目(03ZR14062)
摘    要:
对单自由度时滞系统主动控制的最优控制方法和变结构控制方法进行了研究,给出了反馈增益的稳定性条件和最大时滞量的解析确定方法,并采用移相技术进行时滞补偿.算例结果显示,移相技术能够较好地对系统中的时滞进行补偿,时滞补偿变结构控制方法的控制效果优于时滞补偿最优控制方法.

关 键 词:单自由度系统  时滞补偿  移相技术  最优控制  变结构控制
文章编号:1006-2467(2005)01-0157-04
修稿时间:2003-12-03

Active Vibration Control of Single-Degree-of-Freedom System with Time Delay
SUN Feng. Active Vibration Control of Single-Degree-of-Freedom System with Time Delay[J]. Journal of Shanghai Jiaotong University, 2005, 39(1): 157-160
Authors:SUN Feng
Abstract:
Optimal control method and variable structure control method were applied for active control of single-degree-of-freedom system with time delay. The stability condition for control feedback and maximum allowable time delay were investigated. The phase shift technique was used to compensate time delay. The simulation results indicate that time delay may be effectively compensated by using the phase shift technique. With time delay compensated, the control performance of variable structure control method is much superior to that of optimal control method.
Keywords:single-degree-of-freedom system  time delay compensation  phase shift technique  optimal control method  variable structure control method
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