CN107491113A - A kind of fuzzy temperature control system based on ARM - Google Patents
A kind of fuzzy temperature control system based on ARM Download PDFInfo
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- CN107491113A CN107491113A CN201710256806.0A CN201710256806A CN107491113A CN 107491113 A CN107491113 A CN 107491113A CN 201710256806 A CN201710256806 A CN 201710256806A CN 107491113 A CN107491113 A CN 107491113A
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- Prior art keywords
- temperature
- microprocessor
- arm
- emitting diode
- light emitting
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Temperature (AREA)
Abstract
The invention discloses a kind of fuzzy temperature control system based on ARM, it is characterised in that：The temperature collection circuit is passed through LPF after obtaining thermoelectrical potential signal from temperature sensor,Amplification,Output temperature data are to microprocessor after cold junction compensation,The drive circuit includes light emitting diode,Controllable silicon and zero-cross triggering circuit,Importation is light emitting diode,When deviation be present in the temperature data and setting value of input to microprocessor,Microprocessor sends positive electric signal to light emitting diode,In the presence of 5 15mA forward currents,Send the infrared light of sufficient intensity,In the presence of infrared ray,Bidirectional triode thyristor can two-way admittance,Go to control outside bidirectional triode thyristor with exporting synchronous trigger pulse together with over-zero trigger,Realize the adjustment to electric heater both end voltage,The present invention has control accuracy high,Automaticity is high,The advantages of easy to use,The PID control of electric furnace in-furnace temperature can accurately be realized.
Description
Technical field
The invention belongs to field of intelligent control technology, and in particular to a kind of fuzzy temperature control system based on ARM.
Background technology
Fuzzy control is a kind of intelligent control method, and it need not know the mathematical models of object, but be based on people
The thinking of class and knowhow, describe in words control process, and goes tune control algolithm or control parameter according to rule.It is fuzzy
The characteristics of control is with simple structure, response quickly of system, small stable state overshoot, has been widely used for television set, video camera, washes
All many-sides such as the mechanical, electrical refrigerator of clothing, electric cooker, air-conditioning, camera, duplicator.It is but fuzzy
The theory of control is not very perfect, its obtainable control performance can not also be held, and its control process can also
In the presence of certain steady-state error.
During electric furnace use, in order to ensure product quality and yield, it is necessary to be carried out to in-furnace temperature accurate
Control.At present using it is more be PID controls, but the controlled target temperature in thermal analyzer, often with it is non-linear, big when
The features such as stagnant, time-varying, close coupling, its control process are easily disturbed by enchancement factor, it is difficult to accurately control its temperature, easily make temperature
Partially
It is high or relatively low, it is undesirable using Traditional PID control effect.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of fuzzy temperature control based on ARM
System processed.
A kind of fuzzy temperature control system based on ARM, including：Temperature collection circuit, drive circuit, microprocessor；
It is characterized in that：The temperature collection circuit from temperature sensor obtain thermoelectrical potential signal after by its by LPF, amplification,
Output temperature data to microprocessor, the drive circuit includes light emitting diode, controllable silicon and zero cross fired after cold junction compensation
Circuit, importation are light emitting diode, when deviation be present in the temperature data and setting value of input to microprocessor, microprocessor
Device sends positive electric signal to light emitting diode, in the presence of 5-15mA forward currents, sends the infrared light of sufficient intensity,
In the presence of infrared ray, bidirectional triode thyristor can two-way admittance, synchronous trigger pulse is exported together with over-zero trigger and goes to control
Outside bidirectional triode thyristor, realize the adjustment to electric heater both end voltage.
Preferably, the storage port of the microprocessor is connected with memory module, and microprocessor is also communicated by RS232
Mode is in communication with each other with PC and is connected.
Preferably, the quantity of the temperature sensor be some groups be arranged on electrothermal furnace different zones, the electricity
Heater is arranged in the side wall of electrothermal furnace.
Compared with prior art, beneficial effects of the present invention：
The present invention realizes the collection of electric furnace in-furnace temperature by temperature sensor, when deviation be present in temperature and setting value,
Microprocessor sends control signal to drive circuit and outside bidirectional triode thyristor is adjusted, so as to the electricity to electric heater both ends
Pressure is adjusted, and realizes the control of temperature, has the advantages of control accuracy is high, automaticity is high, easy to use, can be accurate
The PID control for realizing electric furnace in-furnace temperature.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the fuzzy temperature control system based on ARM of the present invention.
In figure, 1, memory module, 2, temperature sensor, 3, temperature collection circuit, 4, electrothermal furnace, 5, display module, 6, electricity
Heater, 7, outside bidirectional triode thyristor, 8, power module, 9, PC, 10, microprocessor, 11, drive circuit, 12, keyboard mould
Block.
Embodiment
Referring to Fig. 1, a kind of fuzzy temperature control system based on ARM, including：Temperature collection circuit 3, drive circuit
11st, microprocessor 10；It is characterized in that：The temperature collection circuit 3 is led to after obtaining thermoelectrical potential signal from temperature sensor 2
Output temperature data to microprocessor 10, the drive circuit 11 includes light-emitting diodes after crossing LPF, amplification, cold junction compensation
Pipe, controllable silicon and zero-cross triggering circuit, importation are light emitting diode, when the temperature data of input to microprocessor 10 is with setting
When definite value has deviation, microprocessor 10 sends positive electric signal to light emitting diode, in the effect of 5-15mA forward currents
Under, send the infrared light of sufficient intensity, in the presence of infrared ray, bidirectional triode thyristor can two-way admittance, with over-zero trigger one
Play the synchronous trigger pulse of output to go to control outside bidirectional triode thyristor 7, realize the adjustment to the both end voltage of electric heater 6.
The storage port of the microprocessor 10 is connected with memory module 1, and microprocessor 10 also passes through RS232 communication parties
Formula is in communication with each other with PC 9 and is connected.
The quantity of the temperature sensor 2 be some groups be arranged on electrothermal furnace 4 different zones, the electric heater
6 are arranged in the side wall of electrothermal furnace 4.
Invention is exemplarily described above in conjunction with accompanying drawing for technical solution of the present invention, it is clear that present invention specific implementation
It is not subject to the restrictions described above, as long as the various unsubstantialities for employing inventive concept and technical scheme of the present invention progress change
Enter, or it is not improved the design of invention and technical scheme are directly applied into other occasions, in protection scope of the present invention
Within.
Claims (3)
1. a kind of fuzzy temperature control system based on ARM, including：Temperature collection circuit（3）, drive circuit（11）, micro- place
Manage device（10）；It is characterized in that：The temperature collection circuit（3）From temperature sensor（2）Led to after obtaining thermoelectrical potential signal
Output temperature data are crossed after LPF, amplification, cold junction compensation to microprocessor（10）, the drive circuit（11）Including luminous
Diode, controllable silicon and zero-cross triggering circuit, importation are light emitting diode, when input to microprocessor（10）Temperature number
According to and setting value deviation be present when, microprocessor（10）Positive electric signal is sent to light emitting diode, in 5-15mA forward currents
In the presence of, send the infrared light of sufficient intensity, in the presence of infrared ray, bidirectional triode thyristor can two-way admittance, touched with zero passage
Hair device exports synchronous trigger pulse and goes to control outside bidirectional triode thyristor together（7）, realize to electric heater（6）The tune of both end voltage
It is whole.
A kind of 2. fuzzy temperature control system based on ARM as claimed in claim 1, it is characterised in that：The microprocessor
Device（10）Storage port and memory module（1）It is connected, microprocessor（10）Also pass through RS232 communication modes and PC（9）
It is in communication with each other connection.
A kind of 3. fuzzy temperature control system based on ARM as claimed in claim 1, it is characterised in that：The temperature
Spend sensor（2）Quantity be arranged on electrothermal furnace for some groups（4）Different zones, the electric heater（6）Installed in electric heating
Stove（4）Side wall on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710256806.0A CN107491113A (en) | 2017-04-19 | 2017-04-19 | A kind of fuzzy temperature control system based on ARM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710256806.0A CN107491113A (en) | 2017-04-19 | 2017-04-19 | A kind of fuzzy temperature control system based on ARM |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107491113A true CN107491113A (en) | 2017-12-19 |
Family
ID=60642059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710256806.0A Pending CN107491113A (en) | 2017-04-19 | 2017-04-19 | A kind of fuzzy temperature control system based on ARM |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107491113A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055525A (en) * | 2019-03-18 | 2019-07-26 | 西安科技大学 | Mine hydraulic support column surface laser cladding temperature control system and control method |
| CN111692631A (en) * | 2020-06-01 | 2020-09-22 | 河海大学常州校区 | Automatic temperature control warmer based on fuzzy PID control algorithm |
| CN112481468A (en) * | 2020-11-27 | 2021-03-12 | 湖北秦鸿新材料股份有限公司 | Temperature control device and temperature control method for heat treatment furnace |
| CN114089795A (en) * | 2021-11-22 | 2022-02-25 | 江苏科技大学 | Fuzzy neural network temperature control system and method based on event triggering |
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| CN201796303U (en) * | 2010-07-07 | 2011-04-13 | 广东国能中林实业有限公司 | Energy-saving control device for plastic drying |
| KR101039277B1 (en) * | 2009-12-10 | 2011-06-07 | ㈜엠지에이치하이테크 | Abnormal operation control circuit and control method for temperature controller of electric heating mat |
| CN103576716A (en) * | 2012-08-06 | 2014-02-12 | 许世祥 | Servo voltage regulation type temperature control device and method of electric blanket or electric heating kang |
| CN204557132U (en) * | 2015-04-17 | 2015-08-12 | 浙江恒自电力自动化设备有限公司 | There is the microcomputer protecting device of temperature detection and function of temperature control |
| CN105938377A (en) * | 2016-07-08 | 2016-09-14 | 孙祝兵 | Single-chip microcomputer temperature control system |
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2017
- 2017-04-19 CN CN201710256806.0A patent/CN107491113A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101039277B1 (en) * | 2009-12-10 | 2011-06-07 | ㈜엠지에이치하이테크 | Abnormal operation control circuit and control method for temperature controller of electric heating mat |
| CN201796303U (en) * | 2010-07-07 | 2011-04-13 | 广东国能中林实业有限公司 | Energy-saving control device for plastic drying |
| CN103576716A (en) * | 2012-08-06 | 2014-02-12 | 许世祥 | Servo voltage regulation type temperature control device and method of electric blanket or electric heating kang |
| CN204557132U (en) * | 2015-04-17 | 2015-08-12 | 浙江恒自电力自动化设备有限公司 | There is the microcomputer protecting device of temperature detection and function of temperature control |
| CN105938377A (en) * | 2016-07-08 | 2016-09-14 | 孙祝兵 | Single-chip microcomputer temperature control system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055525A (en) * | 2019-03-18 | 2019-07-26 | 西安科技大学 | Mine hydraulic support column surface laser cladding temperature control system and control method |
| CN111692631A (en) * | 2020-06-01 | 2020-09-22 | 河海大学常州校区 | Automatic temperature control warmer based on fuzzy PID control algorithm |
| CN112481468A (en) * | 2020-11-27 | 2021-03-12 | 湖北秦鸿新材料股份有限公司 | Temperature control device and temperature control method for heat treatment furnace |
| CN114089795A (en) * | 2021-11-22 | 2022-02-25 | 江苏科技大学 | Fuzzy neural network temperature control system and method based on event triggering |
| CN114089795B (en) * | 2021-11-22 | 2022-08-16 | 江苏科技大学 | Fuzzy neural network temperature control system and method based on event triggering |
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Application publication date: 20171219 |
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