CN202955823U - Air conditioner control system based on fuzzy PID (proportion integration differentiation) - Google Patents
Air conditioner control system based on fuzzy PID (proportion integration differentiation) Download PDFInfo
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- CN202955823U CN202955823U CN 201220656265 CN201220656265U CN202955823U CN 202955823 U CN202955823 U CN 202955823U CN 201220656265 CN201220656265 CN 201220656265 CN 201220656265 U CN201220656265 U CN 201220656265U CN 202955823 U CN202955823 U CN 202955823U
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Abstract
The utility model relates to an air conditioner control system, and in particular relates to a control system based on fuzzy PID (proportion integration differentiation). The system comprises an input module, an output module, a human-computer interface, an RS-485 communication module and a DSP (digital signal processor) 2812 operation module, the input module comprises a temperature sensor and a humidity sensor which are used for collecting temperature and humidity information, the information taken as input information is input into the DSP 2812 operation module for data operation through an analog to digital converter, the input module also comprises a filter two-side differential pressure alerting signal input and a blower overload signal input, a filter two-side differential pressure alerting signal and a blower overload signal are converted through an optocoupler so as to be input into the DSP 2812 operation module for data operation, the output module outputs a control signal so as to control a heating device, a refrigeration device, a vent valve and a humidifier, and the RS-485 communication module realizes communication with an upper computer, so that human-computer interaction is realized. According to the air conditioner control system, the performance of the air conditioner system is well improved.
Description
Technical field
The utility model relates to a kind of control system of air-conditioning, particularly relates to a kind of control system based on fuzzy.
Background technology:
Because the air-conditioning system transfer lag is larger, and be one and disturb the system large, nonlinearity, that random factors is many, the parameter tuning difficulty, one group of parameter of adjusting can only have in more among a small circle controls effect preferably, when parameter changes over certain limit, poor system performance, cause common pid to be controlled and be difficult to meet the demands.
The utility model content
The purpose of this utility model, combine fuzzy control and expert's control with pid algorithm, design the air-conditioning expert system for control based on fuzzy.
The technical solution of the utility model is as follows:
A kind of air-conditioner control system based on fuzzy, is characterized in that, described system comprises input module, output module, man-machine interface, RS-485 communication module, and the DSP2812 computing module;
Described input module comprises temperature sensor and humidity sensor, and temperature sensor and humidity sensor collecting temperature and humidity information, change by A/D, as input message input DSP2812 computing module, carries out the data operation processing; Described input module also comprises the pressure reduction alarm signal input of filter both sides and the input of pressure fan overload signal, and filter both sides pressure reduction alarm signal and pressure fan overload signal are changed by optocoupler, are input to the DSP2812 computing module and carry out the data operation processing;
Described output module output control signal, controlled heater, refrigerating plant, ventilation valve, humidifier;
Described RS-485 communication module realizes communicating by letter with host computer, realizes man-machine interaction.
Further, described system also comprises a memory module, and described memory module adopts EEPROM, and expert knowledge library is installed in memory module; Deposit the judgement sex knowledge as expertise in knowledge base, comprising the production rule of deduction, order, strategy etc.; Also comprise descriptive knowledge, comprise the state that describes the problem, the relevant fact and concept, current condition and general knowledge etc.
Further, described memory module connects useful knowledge obtaining mechanism, and described knowledge obtaining mechanism and domain expert interrelate, the Man Machine Interface between formation control system and domain expert.
The beneficial effects of the utility model are:
System of the present utility model is combined fuzzy control and expert's control with pid algorithm, can inherit well the advantage of fuzzy control and expert system, make it there is good dynamic characteristic and outstanding steady-state characteristic, anti-interference strong, stronger robustness is arranged, improved well the performance of air-conditioner control system.
The accompanying drawing explanation
Fig. 1 is the control principle block diagram of native system.
The specific embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is further elaborated.
As shown in Figure 1, a kind of air-conditioner control system based on fuzzy, is characterized in that, described system comprises input module, output module, man-machine interface, RS-485 communication module, and the DSP2812 computing module; Wherein input module comprises temperature sensor and humidity sensor, and temperature sensor and humidity sensor gather respectively the temperature and humidity information of current environment, by A/D, changes, and as input message input DSP2812 computing module, carries out the data operation processing.Input module also comprises the pressure reduction alarm signal input of filter both sides and the input of pressure fan overload signal, and filter both sides pressure reduction alarm signal and pressure fan overload signal are changed by optocoupler, are input to the DSP2812 computing module and carry out the data operation processing.The DSP2812 computing module is nucleus module of the present utility model, wherein is designed with the parameter tuning method of the air-conditioning control based on fuzzy.By calculating, adjust, output module output control signal, controlled heater, refrigerating plant, ventilation valve, humidifier, realizes that the air-conditioning based on fuzzy is controlled.The RS-485 communication module realizes communicating by letter with host computer, realizes man-machine interaction.
For further raising system, native system also comprises a memory module, and described memory module adopts EEPROM, and expert knowledge library is installed in memory module; Deposit the judgement sex knowledge as expertise in knowledge base, comprising the production rule of deduction, order, strategy etc.; Also comprise descriptive knowledge, comprise the state that describes the problem, the relevant fact and concept, current condition and general knowledge etc.Memory module connects useful knowledge obtaining mechanism, and described knowledge obtaining mechanism and domain expert interrelate, the Man Machine Interface between formation control system and domain expert.
The above-mentioned specific embodiment of the present utility model is just to the illustrating of the utility model patented technology scheme, and do not form the restriction to the utility model protection domain.The improvement of the technical scheme that any invention according to the utility model spirit produces, conversion, omission, substitute etc., all belong to protection domain of the present utility model.
Claims (3)
1. the air-conditioner control system based on fuzzy, is characterized in that, described system comprises input module, output module, man-machine interface, RS-485 communication module, and the DSP2812 computing module;
Described input module comprises temperature sensor and humidity sensor, and temperature sensor and humidity sensor collecting temperature and humidity information, change by A/D, as input message input DSP2812 computing module, carries out the data operation processing; Described input module also comprises the pressure reduction alarm signal input of filter both sides and the input of pressure fan overload signal, and filter both sides pressure reduction alarm signal and pressure fan overload signal are changed by optocoupler, are input to the DSP2812 computing module and carry out the data operation processing;
Described output module output control signal, controlled heater, refrigerating plant, ventilation valve, humidifier;
Described RS-485 communication module realizes communicating by letter with host computer, realizes man-machine interaction.
2. system according to claim 1, it is characterized in that: described system also comprises a memory module, described memory module adopts EEPROM.
3. system according to claim 1, it is characterized in that: described memory module connects useful knowledge obtaining mechanism, and described knowledge obtaining mechanism and domain expert interrelate, the Man Machine Interface between formation control system and domain expert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201220656265 CN202955823U (en) | 2012-12-03 | 2012-12-03 | Air conditioner control system based on fuzzy PID (proportion integration differentiation) |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220656265 CN202955823U (en) | 2012-12-03 | 2012-12-03 | Air conditioner control system based on fuzzy PID (proportion integration differentiation) |
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| CN202955823U true CN202955823U (en) | 2013-05-29 |
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| CN 201220656265 Expired - Fee Related CN202955823U (en) | 2012-12-03 | 2012-12-03 | Air conditioner control system based on fuzzy PID (proportion integration differentiation) |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337218A (en) * | 2013-07-05 | 2013-10-02 | 无锡商业职业技术学院 | Teaching experiment device for simulating industrial communication |
| CN107102613A (en) * | 2017-05-24 | 2017-08-29 | 安徽科恩新能源有限公司 | A kind of earth source heat pump unit control system controlled based on fuzzy control and PLC |
| CN110398049A (en) * | 2019-07-26 | 2019-11-01 | 广东美的暖通设备有限公司 | Air-conditioner control method, air conditioner and computer readable storage medium |
| CN110631217A (en) * | 2019-11-01 | 2019-12-31 | 海润新风（重庆）智能技术有限公司 | Indoor heating and ventilation environment wireless control system and method based on Internet of things cloud platform |
-
2012
- 2012-12-03 CN CN 201220656265 patent/CN202955823U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337218A (en) * | 2013-07-05 | 2013-10-02 | 无锡商业职业技术学院 | Teaching experiment device for simulating industrial communication |
| CN107102613A (en) * | 2017-05-24 | 2017-08-29 | 安徽科恩新能源有限公司 | A kind of earth source heat pump unit control system controlled based on fuzzy control and PLC |
| CN110398049A (en) * | 2019-07-26 | 2019-11-01 | 广东美的暖通设备有限公司 | Air-conditioner control method, air conditioner and computer readable storage medium |
| CN110398049B (en) * | 2019-07-26 | 2021-03-19 | 广东美的暖通设备有限公司 | Air conditioner control method, air conditioner and computer readable storage medium |
| CN110631217A (en) * | 2019-11-01 | 2019-12-31 | 海润新风（重庆）智能技术有限公司 | Indoor heating and ventilation environment wireless control system and method based on Internet of things cloud platform |
| CN110631217B (en) * | 2019-11-01 | 2021-09-24 | 海润新风（重庆）智能技术有限公司 | Indoor heating and ventilation environment wireless control system and method based on Internet of things cloud platform |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20191203 |