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Servo System and Its Resonance Suppression Method

A servo system and resonance suppression technology, which is applied in the direction of suppressing motor vibration control, can solve problems such as servo system resonance

Active Publication Date: 2021-11-19
SERVOTRONIX MOTION TECH DEV (SHENZHEN) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main purpose of the present invention is to propose a servo system and its resonance suppression method, aiming to solve the problem of servo system resonance

Method used

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  • Servo System and Its Resonance Suppression Method
  • Servo System and Its Resonance Suppression Method
  • Servo System and Its Resonance Suppression Method

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Embodiment Construction

[0039] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0040] It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present invention, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). If the specific posture changes, the directional indication will also change accordingly.

[0041] In addition, if there are descriptions involving "first", "second" and ...

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Abstract

The invention discloses a servo system and a method for suppressing resonance thereof. The servo system includes a wave trap group, and the wave trap group includes a plurality of self-adaptive wave traps. The method for suppressing the resonance of the servo system includes the following steps: obtaining the resonance frequency of the servo system ; When it is determined that the servo system satisfies the resonance suppression condition according to the resonance frequency, the corresponding resonance parameter is determined according to the resonance frequency; an adaptive notch filter is selected from the trap group to update the resonance parameter of the resonance frequency to suppress the resonance of the servo system ; Wherein, the updated resonance parameters are all stored by the adaptive notch filter in the notch filter group. The servo system resonance suppression method of the present invention can perform self-adaptive trapping on multiple resonance points, and realize resonance suppression on different resonance points.

Description

technical field [0001] The invention relates to the technical field of motors, in particular to a servo system and a resonance suppression method thereof. Background technique [0002] In the motor servo system, the motor is usually connected to the load by a transmission mechanism such as a transmission shaft, a gear or a coupling. The mechanical transmission part of the servo system often uses transmission devices such as transmission shafts, reducers, and couplings to connect the motor and the load, but the actual transmission device is not an ideal rigid body. During the torque transmission process, the transmission device will show a certain amount of elastic deformation. , which will cause mechanical resonance of the motor torque, motor speed and mechanical transmission torque, and the system will emit noise. When the servo system works in the state of mechanical resonance for a long time, the transmission device will also be seriously damaged, causing industrial accid...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02P23/04
CPCH02P23/04
Inventor 唐爱慧王坤
Owner SERVOTRONIX MOTION TECH DEV (SHENZHEN) LTD