Integrated multifunctional controller for low-power direct-current servomotors

A DC servo, integrated technology, applied in the direction of DC motor speed/torque control, excitation or armature current control, control system, etc., can solve the complex structure of PWM signal circuit, no multiple signal display functions, DC servo motor No protection and other problems, to achieve the effect of computer control, high reliability and low cost

Inactive Publication Date: 2013-05-01
HUNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0032] (3) The circuit structure for generating the PWM signal is complex, with many links and low reliability;
[0034] (5) Single outp

Method used

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  • Integrated multifunctional controller for low-power direct-current servomotors
  • Integrated multifunctional controller for low-power direct-current servomotors
  • Integrated multifunctional controller for low-power direct-current servomotors

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Embodiment Construction

[0062] Such as figure 1 As shown, one embodiment of the present invention comprises A / D conversion circuit, power supply circuit, DC servo motor drive circuit, and the output end of described A / D conversion circuit is connected with ATmega16 single-chip microcomputer; Described ATmega16 single-chip microcomputer and described DC servo motor drive circuit Connect; described ATmega16 single-chip microcomputer is also connected with RS-232 serial communication interface circuit, parallel communication interface circuit, DC servo end machine stop control switch signal detection circuit; Described A / D conversion circuit input end is connected with upper computer by adjustment circuit ; The RS-232 serial communication interface circuit and the parallel communication interface circuit are all connected with the host computer; the power supply circuit is the single-chip microcomputer, the adjustment circuit, the A / D conversion circuit, and the RS-232 serial communication interface cir...

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PUM

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Abstract

The invention discloses an integrated multifunctional controller for low-power direct-current servomotors, which comprises an A/D (analog-to-digital) conversion circuit, a power circuit and a direct-current servomotor drive circuit; the output end of the A/D conversion circuit is connected with an ATmega16 singlechip; the ATmega16 singlechip is connected with the direct-current servomotor drive circuit; and the ATmega16 singlechip is also connected with a RS-232 serial communication interface circuit, a parallel communication interface circuit and a direct-current servomotor strop control switching signal detection circuit. The integrated multifunctional controller has a lot of and a large variety of input signal channels and a lot of output control functions, the structure is simple and reliable, the cost is low, and the integrated multifunctional controller is added with a communication function , and can realize computer control; because the integrated multifunctional controller is added with a direct-current servomotor protection function, the direct-current servomotor can be protected; since the integrated multifunctional controller is added with the stop control switching position signal detection function, the linear displacement control of an object driven by the direct-current servomotor is realized; and because the integrated multifunctional controller is added with a display function, a variety of signals can be displaced.

Description

technical field [0001] The invention relates to an integrated multifunctional controller, in particular to an integrated multifunctional controller for a low-power DC servo motor. Background technique [0002] For the speed control of DC servo motors, the existing technology focuses on the adjustment of the armature power supply voltage. One is to use PWM to adjust the armature power supply voltage, and the other is to use the high-speed pulse output function of PLC. The method of frequency modulation and speed regulation with constant duty ratio regulates the armature supply voltage. [0003] (1) Use PWM to adjust the armature supply voltage [0004] The armature power supply voltage can be adjusted by using the AT89S51 single-chip microcomputer as the core to generate the PWM signal by the hardware circuit and its software or by using the TMS320LF2407A chip of the DSP to generate the PWM signal. [0005] The PWM signal generation circuit is composed of AT89S51 single-chi...

Claims

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Application Information

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IPC IPC(8): H02P7/00H02P7/06
Inventor 邹宪军吴占涛陈顺红
Owner HUNAN UNIV
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