A experiment method to investigate the mechanical characteristics of ultrasonic motor under high temperature condition

机译：研究高温条件下超声电机力学性能的实验方法

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Ultrasonic motor (USM) is a new principle motor,which applies piezoelectric vibration and frictional force as the driving source.Piezoelectric motors offer several outstanding characteristics that may be very interesting for new scientific instruments in space applications.Therefore,how ultrasonic motors perform under high temperature condition is an important question.In this paper,a test method to investigate the characteristics of ultrasonic motor under high temperature condition is developed.This experiment is carried out on an environmental chamber type test system.This system consists of an environmental chamber,a torque-speed measurement apparatus and a connecting-axis.Torque and speed of ultrasonic motor can be get at 50℃,60℃,70℃,80℃,100℃ and 125℃.This method also applies to measurement the characteristics of ultrasonic motor under the low temperature condition.Using this method,a traveling wave type rotary ultrasonic motor is tested under high temperature condition.The results show that the speed of TRUM drops but the torque of TRUM rises under the high temperature (25℃-70℃) condition.At 70℃,the maximum torque of TRUM appears.At 80℃,the torque trends to decrease.At 150℃,the ultrasonic motor could not work.

机译：超声波电动机（USM）是一种新原理的电动机，它以压电振动和摩擦力为驱动源。压电电动机具有一些突出的特性，这些特性对于太空应用中的新型科学仪器可能非常有趣。温度条件是一个重要的问题。本文研究了一种在高温条件下研究超声波电动机特性的测试方法。该实验是在一个环境室型测试系统上进行的。该系统由一个环境室，一个扭矩速度测量装置和连接轴。超声马达的扭矩和速度可以在50℃，60℃，70℃，80℃，100℃和125℃下获得。该方法也适用于测量超声波马达的特性在低温条件下使用这种方法，在高温条件下对行波型旋转超声电机进行了测试。结果表明在高温（25℃-70℃）条件下，TRUM的速度下降，但其转矩却增加。在70℃时，出现最大的转矩。在80℃时，转矩趋于减小。在150℃时，转矩趋于减小。，超声波马达无法工作。

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来源
《Proceedings of 4th International Workshop on Piezoelectric Materials and Applications in Actuators》|2007年|209-215|共7页
会议地点 Nanjing(CN)
作者
WANG Wei; rnLIU Mao;
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作者单位

Wei Zheng@Precision Driving Laboratory,Nanjing University of Aeronautics Astronautics,Nanjing 210016,China--Chunsheng Zhao@Precision Driving Laboratory,Nanjing University of Aeronautics Astronautics,Nanjing 210016,China--;

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A experiment method to investigate the mechanical characteristics of ultrasonic motor under high temperature condition

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