Direct current motor servo driver

A technology of servo drive and DC motor, which is applied in the direction of controlling multiple DC motors, can solve the problems of increasing the size and power consumption of the control system, increasing the difficulty of system development, and complicated wiring of the control box, so as to improve the anti-interference ability and reduce the system cost. Effects of size and power consumption, ease of use
CN102437800BActive Publication Date: 2014-01-15INST OF AUTOMATION CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
INST OF AUTOMATION CHINESE ACAD OF SCI
Publication Date
2014-01-15

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Abstract

The invention relates to a direct current motor servo driver, in particular applicable to control and driving of a direct current brushed motor with the rated voltage of 24V. The servo driver is composed of a motion control unit, a power supply and protection unit and a servo driving unit. The motion control unit is in charge of motion planning of a motor, carrying out interpolation operation on a planned path to obtain a speed and direction signal required by rotation of the motor and acquiring and processing a motor coded disc and armature current signal to form closed loop control; the power supply and protection unit supplies power to the whole servo driver, converts a motor control signal, acquires a motor current limiting and spacing signal and provides current limiting and spacing protection for the servo driver; and the servo driving unit directly drives the direct current motor and preprocesses the armature current and coded disc signal. The direct current motor servo driver provided by the invention simplifies wiring complexity and control difficulty and is flexible and convenient to use.
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Description

technical field

[0001] The invention relates to a DC motor servo driver and relates to the field of advanced robot control. Background technique

[0002] DC servo drives can be widely used in various fields, such as the control of service robots, mobile robots and some industrial robots. Brushed DC motors with position, speed and current feedback are more suitable for low-speed, high-precision speed control applications.

[0003] The current DC motor servo driver on the market generally uses a driver to control a motor, and the controller and driver are implemented separately. The problem is that the wiring in the control box is complicated, and the controller needs to be electrically connected to the drivers of each motor. At the same time, one driver for each motor virtually increases the size and power consumption of the entire control system.

[0004] In addition, the separate design of control and drive increases the difficulty of system development, and users must b...

Claims

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