CN208271442U - A kind of direct current generator digital PID speed regulation experiment case of teaching - Google Patents
A kind of direct current generator digital PID speed regulation experiment case of teaching Download PDFInfo
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- CN208271442U CN208271442U CN201820095201.8U CN201820095201U CN208271442U CN 208271442 U CN208271442 U CN 208271442U CN 201820095201 U CN201820095201 U CN 201820095201U CN 208271442 U CN208271442 U CN 208271442U
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Abstract
A kind of direct current generator digital PID speed regulation experiment case of teaching, it is characterised in that: the experimental box includes power module, rotation speeds setting module, rotational speed control module, motor drive module, Rotating speed measring module, display module, dragging motor and torque disturbance motor.The utility model makes student during the experiment, can set motor speed, modifies the perturbing torque of Digital PID Controller parameter and direct current generator, and monitors motor speed curve, the speed regulation effect of observing system on the screen.
Description
Technical field
The utility model relates to a kind of DC motor speed-regulating experimental boxs of teaching, especially with digital IIR filters
Speed regulation experiment case.
Background technique
" automatic electric drive control system-kinetic control system " is an important specialized course of Automation Specialty, wherein
Direct current generator digital PID adjusts the speed the important content as course, has certain theoretical depth and difficulty.However, current
In experimental teaching, student mostly emulates system in MATLAB simulation software, can not carry out on experimental bench practical
Operation.Therefore, the digital PID experimental box of a direct current generator is designed, reinforces understanding of the student to theoretical content, improves student's
Practical operative ability has particularly significant effect.
Summary of the invention
In order to solve and improve problem above, a direct current generator digital PID speed regulation experiment case of the utility model meter is made up
The deficiency of experimental teaching at present enables the practical all parts for touching speed-regulating system of student, deepens the understanding to system.
The technical solution of the utility model are as follows: a kind of teaching direct current generator digital PID speed regulation experiment case, including power supply
Module, rotation speeds setting module, rotational speed control module, motor drive module, Rotating speed measring module, display module, dragging motor and
Torque disturbance motor.
Power module selects tri- road output switch power source of HF150W-T, is system components power elements；Revolving speed setting
Module chooses 10k/0.1w Risym potentiometer, for generating desired motor speed signal；Rotational speed control module is chosen
STM32F103 chip realizes effective tracking of the DC motor speed to given rotating speed；Motor drive module chooses double H bridge electricity
Machine driving chip L298N, for driving controlled direct current generator；Rotating speed measring module chooses slot optical coupling speed measuring module, will be controlled
The velocity feedback of motor is to controller；Display module chooses the Kunlun on-state touch screen TPC7062TX, is used for motor speed curve
Display and digital PID controller setting；Dragging motor selects Xinda 12V permanent magnet DC motor；The choosing of torque disturbance motor
Take eddy current dynamometer M04.
The 24V voltage output end of HF150W-T is connect with the 24V power input of touch screen TPC7062TX, 12V voltage
Output end is connect with L298N driving voltage input terminal, the electricity of 5V voltage output end and AMS1117-3.3V voltage-releasing voltage stabilizer
Input terminal connection is pressed, the output end of pressure-stabilizing of AMS1117-3.3V is connect with the power input pin of STM32F103 chip；Electricity
The both ends pin of position device connects the output end of pressure-stabilizing and ground of AMS1117-3.3V voltage-releasing voltage stabilizer respectively, middle pin with
The PA1 pin of STM32F103 chip connects；IN1 the and IN2 pin of L298N respectively with the PE4 and PE5 of STM32F103 chip
Pin connection, OUT1 the and OUT2 pin of L298N are connect with armature of direct current motor both ends respectively；DC motor shaft installs 30 holes
After grating electromechanical code-disc, then passes through shaft coupling and connect with eddy current dynamometer M04；Slot optical coupling speed measuring module VCC and GND pin point
Not with the output end of pressure-stabilizing of AMS1117-3.3V voltage-releasing voltage stabilizer and connect, OUT pin and STM32F103 chip
The connection of PB0 pin；The 2nd pin and STM32F103 of the DB9 male connector interface of the Kunlun on-state touch screen TPC7062TX
The PD5 pin of chip connects, and the 3rd pin is connect with the PD6 pin of STM32F103 chip, while the 5th pin is connected to ground.
Utility model has the advantages that student is during the experiment, motor speed can be set, modifies digital PID
The perturbing torque of controller parameter and direct current generator, and motor speed curve, the speed regulation effect of observing system are monitored on the screen.
Detailed description of the invention
Fig. 1 is experimental box working principle diagram；
Fig. 2 is the structure distribution figure of experimental box.
Wherein, 1 is power supply, and 2 be touch screen, and 3 control chip for revolving speed, and 4 be potentiometer, and 5 be motor driven core
Piece, 6 be direct current generator, and 7 be torque disturbance motor, and 8 be shaft coupling, and 9 be speed measuring module.
Specific embodiment
After experimental box is powered, student first has to the expectation revolving speed that motor is set by potentiometer.Secondly, student passes through touching
It touches screen tri- control parameters of P, I and D in STM32F103 chip are set and modified, to realize motor to given rotating speed
Tracking.Finally, student can adjust eddy current dynamometer in real time, to change current direct current generator load, observation disturbance turns motor
The influence of speed.In the entire experiment process, the expectation revolving speed size of motor, the design parameter of Digital PID Controller, motor disturbance
Torque size and motor speed curve, can be shown on the touchscreen.
Claims (1)
1. a kind of direct current generator digital PID speed regulation experiment case of teaching, it is characterised in that: the experimental box includes power supply mould
Block, rotation speeds setting module, rotational speed control module, motor drive module, Rotating speed measring module, display module, dragging motor and turn
Square disturbs motor；Power module selects tri- road output switch power source of HF150W-T, and rotation speeds setting module chooses 10k/0.1w
Risym potentiometer, rotational speed control module choose STM32F103 chip, and motor drive module chooses double H bridge motor driven cores
Piece L298N, Rotating speed measring module choose slot optical coupling speed measuring module, and display module chooses the Kunlun on-state touch screen
TPC7062TX, dragging motor select Xinda 12V permanent magnet DC motor, and torque disturbance motor chooses eddy current dynamometer M04；
The 24V voltage output end of HF150W-T is connect with the 24V power input of touch screen TPC7062TX, 12V voltage output end with
The voltage input end of the connection of L298N driving voltage input terminal, 5V voltage output end and AMS1117-3.3V voltage-releasing voltage stabilizer connects
It connects, the output end of pressure-stabilizing of AMS1117-3.3V is connect with the power input pin of STM32F103 chip；The both ends of potentiometer
Pin connects the output end of pressure-stabilizing and ground of AMS1117-3.3V voltage-releasing voltage stabilizer, middle pin and STM32F103 chip respectively
The connection of PA1 pin；IN1 the and IN2 pin of L298N is connect with PE4 the and PE5 pin of STM32F103 chip respectively, L298N's
OUT1 and OUT2 pin is connect with armature of direct current motor both ends respectively；After DC motor shaft installs 30 hole grating electromechanical code-discs,
It is connect again by shaft coupling with eddy current dynamometer M04；Slot optical coupling speed measuring module VCC and GND pin respectively with AMS1117-
The output end of pressure-stabilizing and ground connection, OUT pin of 3.3V voltage-releasing voltage stabilizer are connect with the PB0 pin of STM32F103 chip；The Kunlun
2nd pin of the DB9 male connector interface of on-state touch screen TPC7062TX is connect with the PD5 pin of STM32F103 chip, the 3rd pin
It is connect with the PD6 pin of STM32F103 chip, while the 5th pin is connected to ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820095201.8U CN208271442U (en) | 2018-01-20 | 2018-01-20 | A kind of direct current generator digital PID speed regulation experiment case of teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820095201.8U CN208271442U (en) | 2018-01-20 | 2018-01-20 | A kind of direct current generator digital PID speed regulation experiment case of teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208271442U true CN208271442U (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820095201.8U Expired - Fee Related CN208271442U (en) | 2018-01-20 | 2018-01-20 | A kind of direct current generator digital PID speed regulation experiment case of teaching |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110070785A (en) * | 2018-01-20 | 2019-07-30 | 东华理工大学 | A kind of direct current generator digital PID speed regulation experiment case of teaching |
| CN110827606A (en) * | 2019-11-27 | 2020-02-21 | 熊金鑫 | PID parameter tuning learning experiment instrument |
-
2018
- 2018-01-20 CN CN201820095201.8U patent/CN208271442U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110070785A (en) * | 2018-01-20 | 2019-07-30 | 东华理工大学 | A kind of direct current generator digital PID speed regulation experiment case of teaching |
| CN110827606A (en) * | 2019-11-27 | 2020-02-21 | 熊金鑫 | PID parameter tuning learning experiment instrument |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |