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Artillery ammunition feeding and conveying speed regulation control system based on series excited direct-current motor

A series-excited DC, control system technology, applied in the direction of DC motor speed/torque control, DC motor rotation control, control system, etc. high sex effect

Pending Publication Date: 2020-04-28
西北机电工程研究所
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The second technical problem to be solved by the present invention is that the invented series-excited DC motor driving circuit can drive several series-excited DC motors at the same time, and overcome the defects of complex control and increased volume brought about by the control system of multiple servo motors

Method used

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  • Artillery ammunition feeding and conveying speed regulation control system based on series excited direct-current motor
  • Artillery ammunition feeding and conveying speed regulation control system based on series excited direct-current motor
  • Artillery ammunition feeding and conveying speed regulation control system based on series excited direct-current motor

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Embodiment Construction

[0027] The present invention will be further described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0028] The present invention is based on a series-excited DC motor for the speed regulation control system of artillery supply and delivery, which is realized through the following technical approaches:

[0029] like figure 1 , the detection element measures the speed of the DC motor through the high-speed counting function of the PLC controller, and subtracts the given speed signal from the measured speed signal to obtain the deviation signal. The deviation signal is passed through the PID function command of the PLC to obtain the PID control output, and the PID control output controls the duty ratio of the PWM signal. The PWM signal with adjustable duty ratio can be output at the PLC output terminal, and the other output can be made according to the logic operation command of the PLC. The terminal outputs a PWM signal with an oppo...

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Abstract

The invention discloses an artillery ammunition feeding and conveying speed regulation control system based on a series excited direct-current motor. The control system is used for improving the speedregulation control performance of the direct-current motor. According to the control system, closed-loop speed deviation signals serve as the output of a PLC; a PWM duty ratio is controlled; one pathof PWM signals with an adjustable duty ratio is output at the output end of the PLC; and the other output end of the PLC is made to output PWM signals with pulses opposite to that of the first path according to the logical instruction of the PLC; the PWM signals act on a driving unit; the driving unit correspondingly receive the pulse signals output by the output ends of the PLC through two paths; the first output end and the second output end of the driving unit alternately output driving signals according to the output polarity of the two paths of PWM signals of the PLC, so that the seriesexcited direct-current motor can operate forwards and reversely, and therefore, PWM speed regulation control over the series excited direct-current motor is achieved. The control system has the advantages of simple and flexible structure, good speed regulation performance and high working reliability.

Description

technical field [0001] The invention belongs to the field of ammunition supply and delivery control for artillery, and in particular relates to a PLC-based series-excited DC motor PWM speed regulation control system, and includes a drive circuit for the series-excited DC motor. Background technique [0002] In the ammunition feeding control system of large-caliber self-propelled guns, multiple servo motors are usually used as actuators, resulting in bulky, expensive and low reliability of the entire control system. However, the space for the bomb delivery system is limited, and it is difficult to install the servo motor control system. At the same time, it is also a waste for applications that do not require high control accuracy. [0003] Series excited DC motor, its remarkable feature is that the power supply is DC voltage, and the field winding and armature winding are connected in series. It is generally used in constant speed occasions, such as conveyor belts, draggin...

Claims

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Application Information

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IPC IPC(8): H02P7/285H02P7/29H02P7/03H02P5/68F41A9/50F41A9/51
CPCH02P7/2855H02P7/2913H02P7/05H02P5/68F41A9/50F41A9/51
Inventor 邵晓媛范志国樵军谋鲁玉祥刘琮敏李可李涛范斌宁
Owner 西北机电工程研究所
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