Linear motor position feedback controlling system and controlling method thereof

A technology of feedback control system and linear motor, applied in the direction of control system, AC motor control, electrical components, etc., to achieve the effect of controllable cost, compact structure, stable and reliable system and method

Active Publication Date: 2015-07-15
HANS CNC SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Based on this, it is necessary to provide a linear motor position feedback control system and its control method for the cost of realizing closed-loop control of linear motors

Method used

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  • Linear motor position feedback controlling system and controlling method thereof
  • Linear motor position feedback controlling system and controlling method thereof
  • Linear motor position feedback controlling system and controlling method thereof

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Embodiment Construction

[0028] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. A preferred embodiment of the invention is shown in the drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the present invention will be thorough and complete.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0030] figur...

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Abstract

The invention relates to a linear motor position feedback controlling system and a controlling method thereof. The linear motor position feedback controlling system adopts the structure that a motion controlling card sends a motion signal to a servo amplifier; the servo amplifier receives the motion signal, simplifies the received signal and then drives a linear motor to operate; a position information acquisition unit feeds back the position data of the linear motor to the servo amplifier and the motion controlling card; the servo amplifier conducts position controlling on the linear motor according to the feedback position data; the motion controlling card sends the motion signal to the servo amplifier, and conducts torque controlling on the linear motor according to the feedback position data. The invention further discloses the controlling method of the linear motor position feedback controlling system. The position information acquisition unit is used for feeding back the position data to the lose-loop control of the motion controlling card; the linear motor position feedback controlling system and the controlling method are stable, reliable, and compact in structure; waste of the equipment structure space and the material cost is avoided.

Description

technical field [0001] The invention relates to a linear motor, in particular to a linear motor position feedback control system and a control method thereof. Background technique [0002] In the current closed-loop control system of linear motors, since the linear motor itself does not have an encoder, the position data of the linear motor is fed back to the servo amplifier through a linear grating scale, and then fed back to the motion control system through another linear grating scale. In the card, two linear grating rulers need to work at the same time to form a closed-loop control system. [0003] Considering that the linear grating scale needs frequent inspection and regular cleaning, it is necessary to leave a large installation space for the linear grating scale during design, which is convenient for maintenance and virtually increases the size of the equipment. At the same time, the linear grating scale is a precision device and is expensive. The two linear gratin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P25/06
Inventor 方志鑫吴超森翟学涛杨朝辉高云峰
Owner HANS CNC SCI & TECH
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