Processing method and processing device for random noise of micro-electro-mechanical system gyroscope

A micro-electromechanical system, random noise technology, applied in the direction of measuring device, gyro effect for speed measurement, gyroscope/steering sensing equipment, etc., can solve the problem of poor suppression of random noise and achieve the effect of error compensation

Pending Publication Date: 2021-03-30
BEIJING INFORMATION SCI & TECH UNIV
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Problems solved by technology

[0007] Embodiments of the present invention provide a method, a processing device, a storage medium, and a processor for processing random noise of a micro-electromechanical system gyroscope, so as to at least solve the technical problem of poor suppression effect on random noise of a MEMS gyroscope in the prior art.

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  • Processing method and processing device for random noise of micro-electro-mechanical system gyroscope
  • Processing method and processing device for random noise of micro-electro-mechanical system gyroscope
  • Processing method and processing device for random noise of micro-electro-mechanical system gyroscope

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Embodiment 2

[0142] According to an embodiment of the present invention, there is provided a MEMS gyroscope random noise processing device, such as Figure 5 As shown, the foregoing processing device includes: an acquisition module 50, which is used to collect the operating data output by the micro-electro-mechanical system in the window to be processed, to obtain sampled data; an analysis module 52, which is used to create a phase-space reconstruction model of the micro-electro-mechanical system according to the sampled data The filtering module 54 is used to perform random noise error estimation through a nonlinear filtering algorithm according to the phase space reconstruction model; the compensation module 56 is used to perform random noise error compensation on the MEMS according to the estimation result of the error estimation.

[0143] According to an embodiment of the present invention, a storage medium is provided, including a stored program, wherein, when the program is running, t...

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Abstract

The invention discloses a processing method and processing device for random noise of a micro-electro-mechanical system gyroscope, a storage medium and a processor, and the method comprises the steps:collecting operation data outputted by a micro electro mechanical system in a to-be-processed window, and obtaining sampling data; creating a phase space reconstruction model of the micro electro mechanical system based on the sampling data; based on the phase space reconstruction model, carrying out error estimation of random noise through a nonlinear filtering algorithm; and performing error compensation of random noise on the micro electro mechanical system according to the estimation result of error estimation. According to the method, the gyro output signal model based on phase space reconstruction is established, and the volume Kalman filtering method is utilized to realize effective suppression of random noise, so that the technical problem of poor suppression effect of random noise of the MEMS gyro is solved.

Description

technical field [0001] The present invention relates to the technical field of micro-electro-mechanical system gyroscopes, in particular to a method for processing random noise of micro-electro-mechanical system gyroscopes, a processing device, a storage medium, and a processor. Background technique [0002] Vibrating gyroscopes have been widely used in many fields such as land, sea, and air, among which microelectromechanical system (MicroElectromechanical System, abbreviated as MEMS) gyroscopes are the most widely used. The random noise error of MEMS vibrating gyroscope is a main error source of this type of gyroscope, how to eliminate the error has always been the focus of research in this field. [0003] In the prior art, methods for suppressing random noise errors of MEMS vibrating gyroscopes mainly include two types: external auxiliary methods and device data processing methods. In terms of external assistance, some researchers have proposed to use the gyroscope array...

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Application Information

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IPC IPC(8): G01C19/5776
CPCG01C19/5776
Inventor 刘宁袁超杰苏中李擎刘福朝赵旭李羚付国栋
Owner BEIJING INFORMATION SCI & TECH UNIV
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