An Introduction to Ultrasonic Motors pdf epub mobi txt 电子书下载 2024

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Sashida, Toshiiku/ Kenjo, Takashi

2002-3

254

$ 237.30

9780198563952

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发表于2024-07-03

An Introduction to Ultrasonic Motors epub 下载 mobi 下载 pdf 下载 txt 电子书下载 2024

An Introduction to Ultrasonic Motors pdf epub mobi txt 电子书下载 2024

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The ultrasonic motor, invented in 1980, utilizes the piezoelectric effect in the ultrasonic frequency range to provide the motive force. (In conventional electric motors the motive force is electromagnetic). The result is a motor with unusually good low-speed high-torque and power-to-weight characteristics. It has already found applications in camera autofocus mechanisms, medical equipment subject to high magnetic fields, and motorized car accessories. Its applications will increase as designers become more familiar with its unique characteristics. This book is the result of a collaboration between the inventor and an expert in conventional electric motors: the result is an introduction to the general theory presented in a way that links it to conventional motor theory. It will be invaluable both to motor designers and to those who design with and use electric motors as an introduction to this important new invention.

An Introduction to Ultrasonic Motors 下载 mobi epub pdf txt 电子书