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Position control system of direct-current servo motor

A DC servo, control system technology, applied in electrical program control, program control in sequence/logic controllers, etc., to achieve the effect of precise position control and limit function

Inactive Publication Date: 2014-01-08
XINXIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

On the other hand, the existing position control system often can only realize the position detection and control of linear displacement, but cannot realize the detection and control under the condition of angular displacement, which makes the function and application of the existing position control system have great limitations.

Method used

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  • Position control system of direct-current servo motor
  • Position control system of direct-current servo motor
  • Position control system of direct-current servo motor

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Embodiment Construction

[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, and to make the above-mentioned purpose, features and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below in conjunction with the embodiments and accompanying drawings .

[0024] figure 1 It is a schematic diagram of the overall structure of the position control system of the embodiment of the present invention. The position control system of the DC servo motor of the present invention includes a control device, a drive device, a detection device and an execution device. The control device includes a PC, which is used to output a control signal to the drive device according to a predetermined control algorithm; the drive device includes a DC servo motor driver, which is used to change the input voltage of the DC servo motor in the actuator according to the control signal, In o...

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Abstract

The invention provides a position control system of a direct-current servo motor. The position control system comprises a control device, a driving device, a detection device and an execution device. The position of a ball screw nut is detected in real time through a displacement sensor and is fed back to a PC, the given displacement and the actual displacement of the ball screw nut are compared through the PC to input a certain signal to a direct-current servo motor driver according to a certain control algorithm, the input voltage of a direct-current servo motor armature is changed through the direct-current servo motor driver according to the signal to control the rotating speed of the direct-current servo motor so that the linear displacement of the ball screw nut can be changed in a dual-direction mode. The position control system can also achieve closed-loop control of the rotating speed. The position control system can achieve the precise position control function and the limiting function, and is wide in practical use.

Description

technical field [0001] The invention relates to the technical field of automatic control, and more specifically, to a position control system of a DC servo motor. Background technique [0002] With the development of science and technology and industrial production, new requirements are put forward for mechanical products from time to time. In addition to high quality, high efficiency, low energy consumption, and low price, the outstanding demand is to achieve mechanical functions with superior performance and high precision requirements. A precise mechanical system is inseparable from an automated position control mechanism. [0003] Position control system is a kind of automatic control system. With the rapid development of microelectronics and computer technology, it is applied to almost every field of social life, which greatly promotes the development of productivity. The realization of the function of the whole control system includes not only the realization of the c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/04
Inventor 吴冰李中琴马超杜川陈波
Owner XINXIANG UNIV
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