CN109787517A - A kind of method of motor rotation blockage in solution ATM machine - Google Patents
A kind of method of motor rotation blockage in solution ATM machine Download PDFInfo
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- CN109787517A CN109787517A CN201811541616.4A CN201811541616A CN109787517A CN 109787517 A CN109787517 A CN 109787517A CN 201811541616 A CN201811541616 A CN 201811541616A CN 109787517 A CN109787517 A CN 109787517A
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Abstract
The present invention discloses a kind of method for solving motor rotation blockage in ATM machine, is to generate duty ratio by the way that PI control is added after motor position, speed and current error signal respectively, generates PWM wave through driving circuit, driving motor is to realize real-time correction.Motor driven in ATM machine is set as closed loop, real-time monitoring and correction motor speed and position by the present invention, is prevented stall, is guaranteed the normal use of user.
Description
Technical field
The present invention relates to technical field of financial equipment, more particularly to a kind of method of motor rotation blockage in solution ATM machine.
Background technique
It is carried out in the operating process such as RMB deposit and withdrawing with ATM machine or CRS machine at present, it is most likely that banknote occur
Superposition, banknote inclination etc., if any processing is not added, will lead to banknote and are damaged so as to cause motor rotation blockage, ATM
Availability is just had a greatly reduced quality, and then loses the necessity run in market.
Since the drive control of the motor in ATM machine is opened loop control, open-loop control system is without feedback loop, structure letter
Single, cost is relatively low, the disadvantage is that control precision is low, is easy by external interference, output, which once error occurs, to be compensated.Usually exist
It can lead to motor rotation blockage since the too big motor of machine utilization can not drive in ATM machine.
Summary of the invention
In view of the technical drawbacks of the prior art, it is an object of the present invention to provide motors in a kind of solution ATM machine
The method of stall prevents card paper money to solve motor rotation blockage in ATM machine, effectively reduces the damage to banknote.
The technical solution adopted to achieve the purpose of the present invention is:
A kind of method of motor rotation blockage in solution ATM machine is by believing respectively in motor position, speed and current error
PI control is added after number and generates duty ratio, generates PWM wave through driving circuit, driving motor is to realize real-time correction.
The PI control generation duty ratio that is added after motor position, speed and current error signal comprises the following steps that
Given position instruction value and motor position measurement value of feedback are subtracted each other and generate position error signal value；
Above-mentioned position error signal value is calculated by PI control and generates speed value；
Above-mentioned speed value and motor speed detection value of feedback is subtracted each other and generates speed error signal value；
Above-mentioned speed error signal value is calculated by PI control and generates current instruction value；
Above-mentioned current instruction value and driving circuit sample motor current feedback values are subtracted each other and generate current error signal value；
Above-mentioned current error signal value is generated into duty ratio by PI control, generates PWM wave, driving electricity through driving circuit
Machine.
Motor driven in ATM machine is set as closed loop, real-time monitoring and correction motor speed and position by the present invention, is prevented
Stall guarantees the normal use of user.
Detailed description of the invention
Fig. 1 is the flow diagram for solving the method for motor rotation blockage in ATM machine.
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that described herein
Specific embodiment be only used to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, in solution ATM machine of the invention motor rotation blockage method, be to be realized by the following method: a.
Increase motor feedback；B. position, speed and current error signal increase PI control.
Wherein, increase motor feedback in the step a, specifically:
1) rotary incremental encoder is installed additional on motor；2) rotary encoder is installed additional at transmission device end or straight line moves
Dynamic grating scale, this mode is terminal location servo function, i.e. terminal closed loop, can be used as the use of grating scale digital display, its advantage is that
Eliminate the back clearance error occurred in machine driving.
Wherein, the position the step b, speed and current error signal increase PI control, specifically:
1) given position instruction value and motor position measurement value of feedback, which are subtracted each other, generates position error signal value；
2) position error signal value calculates by PI control and generates speed value；
3) speed value and motor speed detection value of feedback, which are subtracted each other, generates speed error signal value；
4) speed error signal value calculates by PI control and generates current instruction value；
5) current instruction value and driving circuit sample motor current feedback values, which subtract each other, generates current error signal value；
6) current error signal value generates duty ratio by PI control, generates PWM wave through driving circuit.
PI control is added in the present invention after motor position, speed and current error signal, corrects in real time, takes into account rapidity,
Static difference is reduced or eliminated, stability of control system is improved.
The above is only a preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (2)
1. it is a kind of solve ATM machine in motor rotation blockage method, which is characterized in that its be by respectively motor position, speed and
PI control is added after current error signal and generates duty ratio, generates PWM wave through driving circuit, driving motor is rectified in real time to realize
Just.
2. solving the method for motor rotation blockage in ATM machine as described in claim 1, which is characterized in that described in motor position, speed
It is comprised the following steps that with PI control generation duty ratio is added after current error signal
Given position instruction value and motor position measurement value of feedback are subtracted each other and generate position error signal value；
Above-mentioned position error signal value is calculated by PI control and generates speed value；
Above-mentioned speed value and motor speed detection value of feedback is subtracted each other and generates speed error signal value；
Above-mentioned speed error signal value is calculated by PI control and generates current instruction value；
Above-mentioned current instruction value and driving circuit sample motor current feedback values are subtracted each other and generate current error signal value；
Above-mentioned current error signal value is generated into duty ratio by PI control, generates PWM wave, driving motor through driving circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811541616.4A CN109787517A (en) | 2018-12-17 | 2018-12-17 | A kind of method of motor rotation blockage in solution ATM machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811541616.4A CN109787517A (en) | 2018-12-17 | 2018-12-17 | A kind of method of motor rotation blockage in solution ATM machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109787517A true CN109787517A (en) | 2019-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811541616.4A Pending CN109787517A (en) | 2018-12-17 | 2018-12-17 | A kind of method of motor rotation blockage in solution ATM machine |
Country Status (1)
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| CN (1) | CN109787517A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594406A (en) * | 2019-09-29 | 2019-12-20 | 潍柴动力股份有限公司 | Method and device for adjusting locked rotor of gear shifting motor |
-
2018
- 2018-12-17 CN CN201811541616.4A patent/CN109787517A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594406A (en) * | 2019-09-29 | 2019-12-20 | 潍柴动力股份有限公司 | Method and device for adjusting locked rotor of gear shifting motor |
| CN110594406B (en) * | 2019-09-29 | 2021-01-15 | 潍柴动力股份有限公司 | Method and device for adjusting locked rotor of gear shifting motor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190521 |