نتایج جستجو برای: piezoelectric actuators
تعداد نتایج: 24956 فیلتر نتایج به سال:
Using strain devices as sensors, and using piezoelectric devices as actuators, the experimental research on the vibration control of large flexible space structures is presented in this paper. The control theory used in this experiment will be introduced. The working principles of the strain devices and the piezoelectric devices will be explained in detail in this paper. A satellite panel syste...
This paper proposes a design for a precision positioning miniature walking robot using piezoelectric unimorph actuators. The theoretical working equations of a uniform piezoelectric unimorph beam are derived based on the linear piezoelectric relations, Hamilton’s principle, and Euler-Bernoulli beam equation. The modal superposition method is used to determine the response of the forced transver...
Emerging technologies in microsensing, microactuation, active airfoils, turbine blades, and large, lightweight, flexible space structures can benefit from piezoelectric actuators for active shape control. Piezoelectric materials develop strain under applied voltage which induces structural deflection. This article presents analytical models, FEM solution, and optimal shape control of composite ...
1 . I N T R O D U C T I O N Microrobotics researches require to operate on autonomous devices with simple design and limited costs and energy consumption, even if this fact limits the possible tasks of each single robot. In the last few years the interest in micro mechatronic systems is increasing and several different kind of microrobots have been designed [1], [2],[3]. Applications of these r...
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