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A method and device for actively suppressing angle value noise of a magnetoelectric encoder

A magnetoelectric encoder, active suppression technology, applied in the direction of reducing unwanted effects, complex mathematical operations, etc., can solve the problem that the output angle value signal is mixed with high-frequency noise, and achieve the effect of increasing speed and improving noise suppression effect

Active Publication Date: 2022-02-01
HARBIN UNIV OF SCI & TECH
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Problems solved by technology

[0005] However, in the field of magnetoelectric encoder application technology, the angle value of the magnetoelectric encoder will still jump back and forth within a certain range due to vibration, temperature changes, magnetic field changes, etc., resulting in the output angle value signal In order to suppress the high-frequency noise mixed in the angle value signal, the present invention proposes a method and device for actively suppressing the angle value noise of a magnetoelectric encoder by referring to this idea

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  • A method and device for actively suppressing angle value noise of a magnetoelectric encoder
  • A method and device for actively suppressing angle value noise of a magnetoelectric encoder
  • A method and device for actively suppressing angle value noise of a magnetoelectric encoder

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[0091] specific implementation plan

[0092] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0093] The specific implementations / examples described here are specific specific implementations of the present invention, and are used to illustrate the concept of the present invention. limit. In addition to the embodiments described here, those skilled in the art can also adopt other obvious technical solutions based on the claims of the application and the contents disclosed in the description, and these technical solutions include adopting any obvious changes made to the embodiments described here. The replacement and modified technical solutions are all within the protection scope of the present invention.

[0094] In order to make the object, technical solution and advantages of the present invention clearer, the present invention is described below through specific embodiments shown in the accom...

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Abstract

The invention relates to a method and device for actively suppressing angle value noise of a magnetoelectric encoder. The calculation module obtains the angle value of a single pair of poles; the kinematic equation neuron self-adjustment module is used to realize the adaptive observation of the angle value of the magnetoelectric encoder; the active update module based on the Kalman filter iteration coefficient is used to improve the observation of the neuron angle value The convergence speed of the error improves the noise suppression effect of the angle value of the magnetoelectric encoder; the present invention adopts a method that can actively suppress the high-frequency noise in the angle value signal of the magnetoelectric encoder to improve the output of the angle value of the magnetoelectric encoder precision.

Description

Technical field: [0001] The invention relates to a method and device for actively suppressing angle value noise of a magnetoelectric encoder, belonging to the technical field of magnetoelectric encoder manufacture. Background technique: [0002] Encoders are used to measure angles and are the core components for motor control. They are widely used in high-tech fields such as mechanical engineering, robotics, aviation, and precision optical instruments, and play a vital role in modern industry. With the accelerated development of the industrialization process, there are higher requirements for the resolution and accuracy of angular displacement sensors. At present, the angular displacement sensors widely used in high-precision servo platforms in the field of industrial control include resolvers, photoelectric encoders and magnetoelectric encoders. [0003] Among them, the optical device of the photoelectric encoder is sensitive to environmental conditions such as pollution, ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01D3/028G06F17/13
CPCG01D3/028G06F17/13
Inventor 王磊吴殿昊肖磊潘巍姜金刚
Owner HARBIN UNIV OF SCI & TECH