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A DC motor angular displacement digital servo control system and control method

A technology of digital control and control system, applied in the direction of digital control, general control system, control/adjustment system, etc., to achieve the effect of saving time, simple structure and strong resistance to load disturbance

Active Publication Date: 2018-10-12
苏州挚远电气科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The general feedback control method widely used today can no longer meet the requirements, and the new DC motor angular displacement servo control method is the problem to be solved to further improve the performance of the DC motor angular displacement servo system

Method used

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  • A DC motor angular displacement digital servo control system and control method
  • A DC motor angular displacement digital servo control system and control method
  • A DC motor angular displacement digital servo control system and control method

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Embodiment Construction

[0040] In order to make the purpose, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0041] Such as figure 1 Shown is a block diagram of a DC motor angular displacement digital servo control system with strong resistance to load disturbance according to an embodiment of the present invention. This control system is made up of digital control computer 110, digital / analog conversion module 120, DC power amplifier 130, servo object 140, photoelectric encoder 150 and high-speed counter module 160; connected to a mechanical load 142, the output end of the digital control computer 110 is sequentially connected in series with the digital / analog conversion module 120, the DC power amp...

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Abstract

The invention discloses a DC motor angular displacement digital servo control system, which comprises a digital control computer, a digital / analog conversion module, a DC power amplifier, a servo object, a photoelectric encoder and a high-speed counter module, wherein the output end of the DC motor is serially connected with a mechanical load to form the servo object; the output end of the digital control computer is in serial connection with the digital / analog conversion module and the DC power amplifier sequentially and then connected with the input end of the DC motor; and the output end of the mechanical load is in serial connection with the photoelectric encoder and the high-speed counter module sequentially and then connected with the input end of the digital control computer. The system of the invention has the advantages that the structure is simple, the cost is saved, the mounting is simplified, the system response is quick, and the anti-load disturbance capability is strong. The invention also discloses a DC motor angular displacement digital servo control method.

Description

technical field [0001] The invention belongs to the technical field of mechanical precision control, and relates to a DC motor angular displacement servo control, more specifically, relates to a DC motor angular displacement digital servo control system and control method with strong resistance to load disturbances realized by a digital computer . Background technique [0002] Closed-loop feedback control is a precise control method commonly used by various equipment. In order to realize closed-loop feedback control, the error signal between input and output is often calculated by proportional (P), integral (I), and differential (D). At present, the widely used method is to perform PID calculation on the error in the forward channel, which is simple and easy to implement, but the control effect is often slow response, overshoot, and poor load disturbance resistance, which can only meet general applications. A closed-loop feedback control method with excellent performance no...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/18
CPCG05B19/188
Inventor 朱鹏程杨林初夏永锋缪鑫王伟
Owner 苏州挚远电气科技有限公司
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