Stepping motor control system and control method thereof

A stepping motor and control system technology, applied in the control system, motor generator control, electrical components, etc., can solve the problems of increasing the design and debugging cycle and cost, failing to meet the needs of stepping motors, and the accuracy and performance cannot be guaranteed. Achieve the effect of simple and reliable control algorithm, improve fault applicability, ensure accuracy and operation effect

Inactive Publication Date: 2011-01-05
HENAN COSTAR GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing stepper motor control systems are open-loop control, or completely closed-loop control, in which the accuracy and performance of open-loop control cannot be guaranteed, and the closed-loop control algorithm is more complicated, which increases the design and debugging cycle and cost
It cannot meet the demand of engineering production for stepper motors

Method used

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  • Stepping motor control system and control method thereof
  • Stepping motor control system and control method thereof
  • Stepping motor control system and control method thereof

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Embodiment Construction

[0020] The system consists of figure 1 As shown, it is composed of a controller, a stepper motor driver, a stepper motor, a transmission mechanism, a load, and a photoelectric code disc. The controller sends pulses of a certain frequency and number to the driver, and the driver receives pulse information and direction signals. The code disc The position information is fed back to the controller, the stepping motor is a DC 5-phase stepping motor, and the transmission mechanism is a worm gear. The system realizes high-precision positioning through a fuzzy control method, adopts the combination of double compensation feedback and open-loop control to provide high operating results, and the out-of-step detection function can perform compensation and feedback fault information, while providing high fault applicability sex.

[0021] To achieve high-precision position control and running effects while avoiding complex control algorithms, the following methods are used:

[0022] a. ...

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Abstract

The invention discloses a stepping motor control system and a control method thereof. The stepping motor control system comprises a controller, a stepping motor controller, a stepping motor, a transmission mechanism, a load and a photoelectric encoder, wherein the controller sends a plurality of pulses with a certain frequency and a certain quantity to the driver which receives the pulse information and a direction signal and acts on the stepping motor, the stepping motor drives the load through a driving mechanism, and the photoelectric encoder feeds back and transfers position information to the controller. The invention realizes high-accuracy positioning through a fuzzy control method, achievesprovides higher operation effect by adopting the combination of dual compensation feedback and open-loop control, has the desynchronizing detection function for compensatingrehending and feeding back failure information and also hasprovides higher failure suitability.

Description

technical field [0001] The invention belongs to the technical field of motor control, and in particular relates to a stepping motor control system and a control method thereof. Background technique [0002] A stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non-overload, the speed and stop position of the motor only depend on the frequency and number of pulses of the pulse signal, and are not affected by the load change, that is, add a pulse signal to the motor, and the motor will turn a step angle. The existence of this linear relationship, coupled with the characteristics of the stepping motor only has periodic errors but no cumulative errors. It makes it very simple to use stepping motors to control in the control fields such as speed and position. There is an m-phase excitation winding on the stator of the motor, and its axis is offset from the rotor tooth axis by 1 / m, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P8/14H02P8/22H02P8/04H02P8/24H02P8/34
Inventor 周磊
Owner HENAN COSTAR GRP CO LTD
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