Abstract
As a type of ultrasonic motors, a linear ultrasonic motor (LUSM) also utilizes the converse piezoelectric effect of piezoelectric ceramics and the ultrasonic vibration of an elastic body [1]. It transfers the micro amplitude motion of a stator into the macro linear motion of a slider by the friction force between the stator and slider. Besides the common characteristics of rotary ultrasonic motors, linear ultrasonic motors also possess the following characteristics [2]: (a) the capability of a direct and straight drive; (b) a high precision accuracy up to nanometer level; (c) good control characteristics due to no movement errors from auxiliary parts, such as linkage, ball screw, transmission belt, etc; (d) a simple structure and the variability of shape, allowing easy miniaturization and weight loss.
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© 2011 Science Press Beijing and Springer Verlag Berlin Heidelberg
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Zhao, C. (2011). Linear Ultrasonic Motors. In: Ultrasonic Motors. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-15305-1_9
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DOI: https://doi.org/10.1007/978-3-642-15305-1_9
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