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Engineering Science and Materials Commons

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2008

Dynamics and Controls

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Modeling, Analysis And Control Of Flexible Solid-State Hysteretic Actuators, Kushan Vora Dec 2008

Modeling, Analysis And Control Of Flexible Solid-State Hysteretic Actuators, Kushan Vora

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A distributed parameters modeling and control framework for flexible solid-state hysteretic actuator is presented in this work. For the simplicity of analysis, the actuator dynamic behavior is decoupled and treated separately from the hysteresis nonlinearity. To include the effects of widely-used flexural mechanisms, a mass-spring-damper boundary condition is considered for system. Moreover, the effect of electromechanical actuation is included as a concentrate force at the boundary. The problem is then divided into two parts: first part deals with free motion analysis of system in order to obtain eigenvalues and eigenfunctions using the expansion theorem and a standard eigenvalue problem procedure ...