Flexible microgyrorotor and electromagnetic drive and dynamic tune

A technology of dynamic tuning and flexible rotor, which is applied in the field of micro gyroscopes, and can solve the problems of complex overall structure, increased weight, and large size.
CN100398994CInactive Publication Date: 2008-07-02SHANGHAI JIAO TONG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHANGHAI JIAO TONG UNIV
Publication Date
2008-07-02
Estimated Expiration
Not applicable · inactive patent

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Abstract

A micro-gyroscope of flexible rotor tuned by electromagnetic driving force is prepared by setting top rotor and bottom rotor at top and bottom of shell, setting one jewel bearing at center hole of top rotor, setting another at center hole of bottom rotor, placing shaft on both bearings and driving rotor on shaft between top and bottom rotors, setting gyroscope rotor on shaft above top rotor. The prepared micro-gyroscope can be used as orientational gyroscope.
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Description

technical field

[0001] The invention relates to a micro-gyroscope in the technical field of micro-electro-mechanical systems, in particular to a micro-gyroscope with an electromagnetically driven power-tuned flexible rotor. Background technique

[0002] The flexible gyroscope is a high-performance, low-cost and high-precision gyroscope. It uses a flexible support to take over the traditional suspension technology and brings a series of advantages, so it is widely used in inertial navigation systems. According to the specific form of flexible support and the method of compensating the elastic moment, the flexible gyroscope can be divided into two types: thin neck type and dynamic tuning type. The neck-type flexible gyroscope started to be manufactured earlier, but before it was put into mass production, a more novel power-tuned flexible gyroscope appeared. At present, the thin-neck flexible gyroscope with medium precision is still in use, and the precision is also improving ...

Claims

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