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Device for discriminating rotar position of magnet suspension flywheel

A technology of flywheel rotor and magnetic levitation, applied in the direction of using electric/magnetic devices to transfer sensing components, measuring devices, using electric devices, etc., to achieve the effect of strong reliability

Inactive Publication Date: 2009-01-14
BEIHANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technology of the present invention solves the problem: Aiming at the disadvantage that the existing magnetic levitation flywheel rotor position detection device cannot realize the position detection of the magnetic levitation flywheel rotor within the entire speed range, and the rotor position of the magnetic levitation flywheel is accurately identified when the lifting speed is fast, a magnetic levitation flywheel rotor position identification device is proposed , for accurate detection of the rotor position over the entire speed range of the flywheel

Method used

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  • Device for discriminating rotar position of magnet suspension flywheel
  • Device for discriminating rotar position of magnet suspension flywheel
  • Device for discriminating rotar position of magnet suspension flywheel

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Embodiment Construction

[0022] Such as figure 1 As shown, the present invention mainly includes an absolute position detection sensor 6, an absolute position detection and conditioning circuit 5, a relative position detection sensor 2, a relative position detection and conditioning circuit 3, and an FPGA module 4. The absolute position detection sensor 6 is connected with the absolute position detection and conditioning circuit 5 to detect the absolute position of the magnetic levitation flywheel rotor to obtain the 0-5V magnetic levitation flywheel rotor absolute position signal, and send the 0-5V magnetic levitation flywheel rotor absolute position signal To the absolute position detection and conditioning circuit 5; the relative position detection sensor 2 is connected to the relative position detection and conditioning circuit 3, and is used to detect the relative position of the magnetic levitation flywheel rotor to obtain a 0-5V magnetic levitation flywheel rotor relative position signal, and set ...

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Abstract

The invention relates to magnetic suspension flywheel rotor location identification device. It includes absolute and relative location detecting transducer, absolute and relative location detecting adjusting circuit, FPGA module. The absolute location detecting transducer is used to detect magnetic suspension fly wheel rotor absolute location to gain 0-5V rotor absolute location signal which is processed filtering and level transforming by the corresponding circuit to gain 0-3.3V one. The relative location detecting transducer and circuit also do the same to respectively gain 0-5V and 0-3.3V rotor relative location signal. The FPGA module is used to detect the 0-3.3V fly wheel absolute location signal and count the 0-3.3V relative one to realize magnetic suspension fly wheel rotor location precise detection.

Description

Technical field [0001] The invention relates to a magnetic suspension flywheel rotor position discriminating device, which is used for accurately detecting the position of the magnetic suspension flywheel rotor. Background technique [0002] Flywheel is the basic attitude control actuator on small and medium satellites. Compared with traditional mechanical bearing flywheels, magnetic levitation flywheels have the advantages of high precision and long life, and are ideal actuators for high-precision spacecraft attitude control. However, there are still some vibration sources in the magnetic levitation flywheel. If the vibration caused by these vibration sources is not suppressed, it will seriously affect the accuracy of attitude control, and the technical advantages of the magnetic levitation flywheel will not be reflected. [0003] The unbalanced vibration of the rotor will cause the fundamental frequency disturbance of the flywheel system. It is the most important vibration sour...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01D5/00G01D5/12G01D5/26G01B11/02G01B7/02
Inventor 房建成刘彬樊亚洪刘刚田希晖刘虎
Owner BEIHANG UNIV
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