Circular and multi-ring shaped axial and radial magnetizing permanent magnetism antimagnetic rotor induced rotating micro gyroscope

Abstract

A circular and multi-ring axially radially magnetized permanent magnet reverse magnetic rotor induction rotating micro-gyroscope in the field of micro-electromechanical systems, consisting of an upper stator, a rotor and a lower stator, relying on cylindrical and multi-ring shapes in the upper and lower stators Axial and radial magnetized permanent magnets provide levitation force and lateral stabilizing force to the anti-magnetic rotor to realize uncontrolled self-stabilizing suspension. The rotating coils of the upper and lower stators are used to generate a rotating electromagnetic field to pull the rotor to rotate at high speed. At the same time, the upper and lower The axial detection of the lower stator, the feedback electrode and the lateral detection of the lower stator, and the electrostatic force between the feedback electrode and the rotor improve the axial stiffness, lateral stiffness and impact resistance of the micro gyroscope, enhance the stable suspension performance, and reduce the rotor The starting process and the difficulty of starting control, self-stabilization can be achieved without complex control mechanism, low power consumption, convenient implementation, small size, and can simultaneously detect three-axis accelerations including along X, Y, Z axes and accelerations around X, Y Axis 2-axis angular acceleration.

Description

Technical field [0001] The invention relates to a micro gyroscope in the field of micro-electromechanical technology, in particular to a circular and multi-ring axial and radial magnetizing permanent magnet anti-magnetic rotor induction rotating micro gyroscope. Background technique [0002] Inertial navigation system is an autonomous navigation technology that directly calculates the navigation parameters such as the position, heading and attitude of the carrier according to Newton's law of inertia. In the process of work, it neither emits energy to the outside nor obtains information from the outside. It has unique advantages such as uninterrupted, can be used anywhere, good dynamic performance, and rich navigation output information. It is used in aviation, aerospace and navigation fields. It has been widely used. The emergence of MEMS (Micro-electromechanical Systems) technology has promoted the development of inertial navigation systems in the direction of low cost, miniatur...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to address the above-mentioned deficiencies in the prior art, and to provide a circular and multi-annular axial radial magnetization permanent magnet reverse magnetic rotor induction rotating micro-gyroscope, relying on the cylindrical and multi-rotary gyro in the upper and lower stators The ring-shaped axial and radial magnetized permanent magnets provide levitation force and lateral stabilizing force for the anti-magnetic rotor to realize uncontrolled self-stabilizing suspension, so that it can achieve anti-magnetic sensitive and stable quality suspension, which saves Suspension coils and stable coils avoid the disadvantages of electromagnetic damping by eddy current and difficulty in increasing the speed. At the same time, they use the axial detection of the upper and lower stators, the feedback electrodes and the lateral detection of the lower stator, and the electrostatic force between the feedback electrodes and the rotor. Improve the axial stiffness, lateral stiffness and impact resistance of the micro-gyroscope, and enhance the stable suspension performance

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