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Non-contact type micro scale rotating motor based on ultrasonic radiation torque

A non-contact, ultrasonic radiation technology, which is applied in the program control and electrical program control of the sequence/logic controller, can solve the problems that the rotary motion cannot be directly realized, and achieve the effect of easy upgrade and good scalability

Inactive Publication Date: 2014-04-23
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the motions realized by the micro-driver are all linear motions, and cannot directly realize rotary motions

Method used

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  • Non-contact type micro scale rotating motor based on ultrasonic radiation torque
  • Non-contact type micro scale rotating motor based on ultrasonic radiation torque
  • Non-contact type micro scale rotating motor based on ultrasonic radiation torque

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with accompanying drawing.

[0019] Such as figure 1 As shown, the non-contact micro-scale rotary motor system based on ultrasonic radiation torque of the present invention includes an industrial computer 1 with a PXI bus structure, a six-channel parameter program-controlled adjustable ultrasonic signal generation card 2, a six-channel high-frequency linear power amplifier 3, and a six-channel Automatic load matching device 4 and ultrasonic transducer groups 5, 6, 7, 8, 9, 10. The multi-channel parameter program-controlled adjustable ultrasonic signal generation card is installed in the PXI chassis, and according to the requirements of the rotation function, multiple sets of sinusoidal voltage signals with varying amplitudes are cyclically and sequentially generated. The sinusoidal voltage signal is amplified into a high-power sinusoidal drive voltage signal after being passed through a multi-channel ...

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Abstract

The invention discloses a non-contact type micro scale rotating motor system based on an ultrasonic radiation torque. The non-contact type micro scale rotating motor system is composed of an industrial control computer with a PXI bus structure, a multichannel parameter program control adjustable ultrasonic signal generation card, a multichannel high-frequency linear power amplifier, a multichannel load automatic adapter and an ultrasonic energy transducer set. The industrial control computer provides an interactive interface allowing a user to set rotating speed and a load of the motor system. The multichannel parameter program control adjustable ultrasonic signal generation card is connected with an upper computer so that a corresponding initial driving voltage signal is generated according to a command of the upper computer. The initial driving voltage signal is processed via the multichannel high-frequency linear power amplifier and the multichannel load automatic adapter so that the ultrasonic energy transducer set is directly driven to generate a corresponding ultrasonic signal, and prospective ultrasonic radiation force and radiation torque fields are formed via sonic wave synthesis. The invention provides the non-contact type rotating motor under a micro scale so that defects that only linear motion can be realized by the micro motor based on material characteristics are broken through.

Description

technical field [0001] The present invention relates to a set of non-contact micro-scale rotating motor system based on ultrasonic radiation torque. Specifically, it relates to an ultrasonic sound field synthesis technology. By adjusting the amplitude and phase of each ultrasonic signal, a rotatable Ultrasonic radiation force and radiation torque field, so as to realize the non-contact micro-scale rotation motor system of the non-spherical symmetric rotor captured in the radiation force and torque field. Background technique [0002] With the rapid development of science and technology, human beings have an increasingly strong need to explore the microcosm. In recent years, the microscopic field has gradually become a hot spot of scientific research. As an important tool to better study the microscopic world, MEMS has gradually developed into a frontier research hotspot. For electromechanical systems, the drive source is an essential component to achieve motion. [0003] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/04
Inventor 孟坚鑫杨克己邓双范宗尉
Owner ZHEJIANG UNIV
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