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Control device, method and computer readable medium for fine tuning a servo motor

A technology of servo motors and control devices, applied in general control systems, control systems, adaptive control, etc., can solve problems affecting accuracy

Active Publication Date: 2020-01-07
ORMON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Also, in a controller, gain affects accuracy (i.e. how close the motor's actual speed or position is to the desired speed or position)

Method used

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  • Control device, method and computer readable medium for fine tuning a servo motor
  • Control device, method and computer readable medium for fine tuning a servo motor
  • Control device, method and computer readable medium for fine tuning a servo motor

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0097] figure 1 A servo motor system 100 is shown comprising a servo motor 20 and a control device 10 for fine tuning and controlling the servo motor 20 .

[0098] The control device 10 can receive user input 1, which can be entered through a graphical user interface. The user input 1 may contain information about the movement of a servo motor 20 which may be used to move a load (not shown). To control and fine-tune the servomotor 20 , the control device 10 sends a control signal 2 to the servomotor 20 . On the other hand, the servo motor 20 sends a feedback signal 3 to the control device 10 . The control device 10 can use the feedback signal 3 to further control the servomotor 20 and also fine-tune the servomotor 20 .

[0099] The control device 10 includes a calculation unit 11 , a determination unit 12 , a control unit 13 and a detection unit 14 . will be briefly described below and refer to image 3 and 4 The features and functions of these units are described in mor...

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PUM

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Abstract

The invention provides a control device for fine-tuning a servo motor, a method for fine-tuning a servo motor, and a computer program product. The control device includes: a calculation unit configured to determine a current proportional speed gain of the servo motor and calculate a settling time ratio based on a current settling time and a target settling time of the servo motor; a determining unit configured to calculate a settling time ratio based on the settling time of the servo motor; The calculated settling time ratio is used to select a gain determination process for determining a next proportional speed gain starting from the current proportional speed gain, wherein the calculation unit is further configured to a proportional speed gain to update parameters of the servo motor; and a control unit configured to generate a control signal based on the updated parameters to control the servo motor to drive a load. The present invention improves the responsiveness of the servo motor while keeping the settling time as low as possible and avoiding extreme overshoot.

Description

technical field [0001] The invention relates to a control device for fine-tuning a servo motor, a corresponding method and a computer program product for fine-tuning a servo motor. Background technique [0002] The servo motor used to move the load is controlled by a controller that uses a drive current or control signal to control the servo motor to drive the mechanical load. The controller and servo motors are implemented as a closed loop system. A controller generates control signals to instruct the motor to move the mechanical load. The control signal applied depends on the type of motion application (motor moves to desired position at desired speed, motor speed is varied, or applied torque is varied). Feedback signals from the motor to the controller indicate the current actual state of the motor and / or load (eg, position, speed, etc.). The feedback signal can be given by an encoder or resolver attached to the motor by measuring the load position or by estimation. T...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02P29/00
CPCH02P29/00G05B13/024G05B6/02
Inventor 森泰元恵木守佐藤文明艾玛尔·阿拉德贝雷·伊布雷费德李克·埃拉斯
Owner ORMON CORP