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Microgrippers driven by piezoelectric actuators have been widely applied in various fields demanding high accuracy. However, it is challenging to achieve a higher precision due to the presence of hysteresis and disturbances. This brief presents a new approach to achieve a precision motion control by overcoming the mentioned problems. The reported solution is derived by integrating three main components,...
This paper proposes a novel controller to compensate for both the vibration and nonlinear hysteresis of a microgripper driven by piezoelectric actuators. The proposed control strategy includes two parts. The first part is an adaptive algorithm based on iterative learning control, and the second one is a feedback controller constructed by discrete-time sliding mode control. ILC has great properties...
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