滞回特性复合板的时滞反馈控制
首发时间:2015-03-19
摘要:对粘贴有橡胶层的柔性板的时滞反馈控制进行了研究,滞回模型采用Bouc-Wen模型,控制律的设计采用瞬时最优控制方法,传感器和作动器采用压电片。提出了一个处理滞回结构主动控制中的时滞问题的处理方法,该方法直接通过时滞系统的微分方程进行控制设计,并且无需做任何假设和近似处理,因此能够处理任意大小的时滞量的问题。最后通过数值仿真验证了所给方法的有效性。
关键词: 柔性板 滞回特性 Bouc-Wen模型 振动控制 时滞
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Delayed feedback control of hysteretic composite plate
Abstract:Delayed feedback control of a flexible plate sticking with rubber material is investigated in this paper. The Bouc-Wen model is used to describe the hysteretic characteristics of the system. The instantaneous optimal control method is adopted to design active controller, in which the PZT pitch is used as sensor and actuator. A method is proposed for time delay in active control of hysteretic structures. In this method, the controller is designed directly using the time-delay differential equation of the system and no assumption and approximation are made in the whole process of controller design. Therefore, the designed controller is available for arbitrary time delay. Simulation results demonstrate the validity of the proposed controller.
Keywords: flexible plate hysteretic characteristics Bouc-Wen model vibration control time delay
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No.4634348222691426****
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