Position latching method, servo driver and storage medium

A servo driver and latching technology, applied in motor control, AC motor control, estimation/correction of motor parameters, etc., can solve problems such as increased cost, low accuracy, and unfavorable high-speed probe applications.

Active Publication Date: 2021-05-14
上海新时达机器人有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is still a delay in the low transmission delay, resulting in a certain position deviation in the latch position, and the accuracy is low. Application of Probe Function

Method used

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  • Position latching method, servo driver and storage medium
  • Position latching method, servo driver and storage medium
  • Position latching method, servo driver and storage medium

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Embodiment Construction

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, various implementation modes of the present invention will be described in detail below in conjunction with the accompanying drawings. However, those of ordinary skill in the art can understand that, in each implementation manner of the present invention, many technical details are provided for readers to better understand the present application. However, even without these technical details and various changes and modifications based on the following implementation modes, the technical solution claimed in this application can also be realized.

[0026] The division of the following embodiments is for the convenience of description, and should not constitute any limitation to the specific implementation of the present invention, and the various embodiments can be combined and referred to each other on the premise of no contradiction.

[0027] The fir...

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Abstract

The embodiment of the invention relates to the field of servo drive automation equipment, and discloses a position latching method, a servo driver and a storage medium. The position latching method is applied to the servo driver and comprises the steps: acquiring first duration from generation to receiving of a trigger signal, the trigger signal being used for indicating the servo driver to obtain the rotation position, and the trigger signal being generated when a signal detection device detects a specified signal; acquiring second duration from the time when the trigger signal is received to the time when an encoder reads the rotation position of the motor; acquiring a delay compensation position according to the first duration, the second duration and the rotating speed of the motor; and according to the rotation position and the delay compensation position, determining a target rotation position of the motor when the trigger signal is generated, and latching the target rotation position. By adopting the implementation mode, the rotation position of the motor when the trigger signal is generated can be accurately locked.

Description

technical field [0001] Embodiments of the present invention relate to the field of servo-driven automation equipment, and in particular to a method for position latching, a servo driver, and a storage medium. Background technique [0002] The function of the servo probe is different from the probe used for measurement in the traditional sense. The servo probe is a position latch function based on the servo internal software. It can latch the position information of the motor when the external DI signal or the motor Z pulse signal is triggered. It can be applied to the rapid positioning of high-speed moving objects, which is convenient for further position control of the host control system. The servo probe function has been widely used in industrial and motion control occasions due to its software flexibility and high precision. It is usually divided into ordinary probe function and high-speed probe function. Among them, the ordinary probe function is used in applications w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P23/14H02P25/02H02P29/00
CPCH02P23/14H02P25/02H02P29/00
Inventor 储诚兵李虎修丁信忠陈攀刘康姚大磊葛鹏遥
Owner 上海新时达机器人有限公司
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