CN105402860B - A kind of air conditioner self-adaptation control method and system - Google Patents

A kind of air conditioner self-adaptation control method and system Download PDF

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Publication number
CN105402860B
CN105402860B CN201510990518.9A CN201510990518A CN105402860B CN 105402860 B CN105402860 B CN 105402860B CN 201510990518 A CN201510990518 A CN 201510990518A CN 105402860 B CN105402860 B CN 105402860B
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CN
China
Prior art keywords
fuzzy
deviation
temperature value
control
air conditioner
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CN201510990518.9A
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Chinese (zh)
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CN105402860A (en
Inventor
张静
尤顺义
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广东志高空调有限公司
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Publication of CN105402860A publication Critical patent/CN105402860A/en
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Publication of CN105402860B publication Critical patent/CN105402860B/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56Remote control
    • F24F11/59Remote control for presetting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data

Abstract

The embodiment of the invention discloses a kind of air conditioner self-adaptation control method, being susceptible to indoor each region for solving the problems, such as existing air conditioner in the comfortable temperature control stage, temperature distribution is non-uniform, subregion and temperature difference set by user are larger.Present invention method includes:Calculate the deviation of the actual temperature value and the set temperature value;The deviation is converted by corresponding fuzzy quantity according to preset fuzzy rule;Judge whether the fuzzy quantity is less than the deviation, if it is not, then carrying out PID fuzzy controls;The PID fuzzy controls specifically include following steps:Deviation variation rate corresponding with the deviation is calculated with the set temperature value according to the actual temperature value;Correction frequency is obtained by PI control algolithms and preset fuzzy control rule according to the deviation and the deviation variation rate;The working frequency of the compressor is adjusted to the correction frequency.The embodiment of the present invention also provides a kind of air conditioner adaptive control system.

Description

A kind of air conditioner self-adaptation control method and system
Technical field
The present invention relates to field of air conditioning more particularly to a kind of air conditioner self-adaptation control method and systems.
Background technology
Existing air conditioner product, indoor temperature control are generally divided into fast cooling and comfortable temperature control two benches.Fast Prompt drop thermophase, the output of air conditioner general control compressor maximum frequency realize that refrigerating capacity maximizes, in the hope of fast cooling;And When temperature is reached near set temperature, then into comfortable temperature control stage, dynamic control compressor output power, with temperature control of seeking to stable Temperature manufactures comfortable indoor environment.
However, existing air conditioner product is the environment temperature detected using indoor temperature-sensing probe to the control of indoor temperature as base Accurate, which is mounted on indoor unit, is only capable of detecting the environment temperature of indoor unit near zone.Particularly with area Larger indoor environment, indoor unit near zone with it is very big compared with the environment temperature difference of far region.And the control of existing air conditioner Warm method is susceptible to the Temperature Distribution of indoor each region not on the basis of the result of temperature-sensing probe in the comfortable temperature control stage Uniformly, subregion occurs with the larger situation of temperature difference set by user.
Invention content
An embodiment of the present invention provides a kind of air conditioner self-adaptation control method and systems, can solve existing air conditioner and exist Indoor each region is susceptible in the comfortable temperature control stage temperature distribution is non-uniform, subregion and temperature set by user The problem of differing greatly.
A kind of air conditioner self-adaptation control method provided in an embodiment of the present invention, including:
Obtain the actual temperature value that the temperature sensor of the air conditioner collects;
Obtain the set temperature value of user;
Calculate the deviation of the actual temperature value and the set temperature value;
The deviation is converted by corresponding fuzzy quantity according to preset fuzzy rule;
Judge whether the fuzzy quantity is less than the deviation, if so, maintaining the current of the compressor of the air conditioner Working frequency, if it is not, then carrying out PID fuzzy controls;
The PID fuzzy controls specifically include following steps:
Deviation variation rate corresponding with the deviation is calculated with the set temperature value according to the actual temperature value;
It is obtained according to the deviation and the deviation variation rate by PI control algolithms and preset fuzzy control rule Correct frequency;
The working frequency of the compressor is adjusted to the correction frequency.
Optionally, it is advised according to the deviation and the deviation variation rate by PI control algolithms and preset fuzzy control Correction frequency is then obtained to specifically include:
The deviation and the deviation variation rate are converted by corresponding first mould according to preset fuzzy control rule Paste amount and the second fuzzy quantity;
Obtain preset fuzzy reasoning table;
The fuzzy reasoning table is inquired, corresponding with first fuzzy quantity and second fuzzy quantity first is obtained and derives Value and the second derived value;
The correction frequency is calculated according to first derived value, the second derived value and the PI control algolithms.
Optionally, the PID fuzzy controls are further comprising the steps of:
The aperture amount of the electric expansion valve of the air conditioner and outdoor DC fan are adjusted according to the correction frequency Rotating speed.
Optionally, it is further included before calculating the actual temperature value and the deviation of the set temperature value:
Corresponding critical temperature value is calculated according to the set temperature value;
Judge whether the actual temperature value is less than the critical temperature value, the actual temperature is calculated if so, performing The step of deviation of value and the set temperature value, if it is not, the compressor is then controlled to be exported with maximum frequency.
Optionally, while the compressor is controlled to be exported with maximum frequency, the electronic expansion of the air conditioner is controlled Valve carries out automatic adjusument.
A kind of air conditioner adaptive control system provided in an embodiment of the present invention, including:
Temperature collecting module, the actual temperature value that the temperature sensor for obtaining the air conditioner collects;
Set temperature acquisition module, for obtaining the set temperature value of user;
Deviation computing module, for calculating the deviation of the actual temperature value and the set temperature value;
Fuzzy quantity modular converter, for the deviation to be converted into corresponding fuzzy quantity according to preset fuzzy rule;
Judgment module, for judging whether the fuzzy quantity is less than the deviation;
Maintenance module, for when the judging result of the judgment module is when being, maintains the compressor of the air conditioner Present operating frequency;
Trigger module, for when the judging result of the judgment module is no, triggering PID fuzzy control models;
The PID fuzzy control models include:
Deviation variation rate computing unit, for according to the actual temperature value and the set temperature value calculate with it is described The corresponding deviation variation rate of deviation;
Frequency computing unit is corrected, for passing through PI control algolithms and pre- according to the deviation and the deviation variation rate If fuzzy control rule obtain correction frequency;
Unit is adjusted, for the working frequency of the compressor to be adjusted to the correction frequency.
Optionally, the correction frequency computing unit includes:
Transforming subunit, for being converted the deviation and the deviation variation rate according to preset fuzzy control rule For corresponding first fuzzy quantity and the second fuzzy quantity;
Subelement is obtained, for obtaining preset fuzzy reasoning table;
Subelement is inquired, for inquiring the fuzzy reasoning table, obtains obscuring with first fuzzy quantity and described second Measure corresponding first derived value and the second derived value;
Frequency computation subunit is corrected, for according to first derived value, the second derived value and the PI control algolithms The correction frequency is calculated.
Optionally, the system also includes:
Aperture amount and rotational speed regulation module, for adjusting the electric expansion valve of the air conditioner according to the correction frequency The rotating speed of aperture amount and outdoor DC fan.
Optionally, the system also includes:
Critical temperature value computing module, for corresponding critical temperature value to be calculated according to the set temperature value;
Temperature judgment module, for judging whether the actual temperature value is less than the critical temperature value;
Deviation trigger module, for when the judging result of the temperature judgment module is when being, triggers the deviation meter Calculate module;
Maximum output module, for when the judging result of the temperature judgment module for it is no when, control the compressor with Maximum frequency exports.
Optionally, the system also includes:
Expansion valve control module, it is same for the compressor being controlled to export with maximum frequency in the maximum output module When, the electric expansion valve of the air conditioner is controlled to carry out automatic adjusument.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
In the embodiment of the present invention, first, the actual temperature value that the temperature sensor of the air conditioner collects is obtained;So Afterwards, the set temperature value of user is obtained;Calculate the deviation of the actual temperature value and the set temperature value;Then, according to The deviation is converted into corresponding fuzzy quantity by preset fuzzy rule;Finally, it is described to judge whether the fuzzy quantity is less than Deviation, if so, the present operating frequency of the compressor of the air conditioner is maintained, if it is not, then carrying out PID fuzzy controls;Institute It states PID fuzzy controls and specifically includes following steps:According to the actual temperature value and the set temperature value calculate with it is described The corresponding deviation variation rate of deviation;PI control algolithms and preset mould are passed through according to the deviation and the deviation variation rate Paste control rule obtains correction frequency;The working frequency of the compressor is adjusted to the correction frequency.Implement in the present invention In example, when the fuzzy quantity being calculated is not less than deviation, PID fuzzy controls are carried out to air conditioner so that air conditioner can be with It is adjusted according to the Temperature Distribution of indoor each region, the situation for avoiding subregion temperature difference big.
Description of the drawings
Fig. 1 is a kind of air conditioner self-adaptation control method one embodiment flow chart in the embodiment of the present invention;
Fig. 2 is a kind of another embodiment flow chart of air conditioner self-adaptation control method in the embodiment of the present invention;
Fig. 3 is the indoor temperature the strategy of stepwise control schematic diagram of air-conditioning system;
Fig. 4 is the temperature control flow under a kind of one application scenarios of air conditioner self-adaptation control method in the embodiment of the present invention Figure;
Fig. 5 is a kind of air conditioner adaptive control system one embodiment structure chart in the embodiment of the present invention;
Fig. 6 is another example structure figure of a kind of air conditioner adaptive control system in the embodiment of the present invention.
Specific embodiment
An embodiment of the present invention provides a kind of air conditioner self-adaptation control method and systems, exist for solving existing air conditioner Indoor each region is susceptible in the comfortable temperature control stage temperature distribution is non-uniform, subregion and temperature set by user The problem of differing greatly.
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention Attached drawing in embodiment is clearly and completely described the technical solution in the embodiment of the present invention, it is clear that disclosed below Embodiment be only part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field All other embodiment that those of ordinary skill is obtained without making creative work, belongs to protection of the present invention Range.
Referring to Fig. 1, a kind of air conditioner self-adaptation control method one embodiment includes in the embodiment of the present invention:
101st, the actual temperature value that the temperature sensor of the air conditioner collects is obtained;
First, the actual temperature value that the temperature sensor of the air conditioner collects is obtained.
102nd, the set temperature value of user is obtained;
After the actual temperature value collected in the temperature sensor for obtaining the air conditioner, the setting of user can be obtained Temperature value.
103rd, the deviation of the actual temperature value and the set temperature value is calculated;
After the set temperature value for obtaining user, the actual temperature value and the deviation of the set temperature value can be calculated Value.
104th, the deviation is converted by corresponding fuzzy quantity according to preset fuzzy rule;
After deviation of the actual temperature value with the set temperature value is calculated, it can be incited somebody to action according to preset fuzzy rule The deviation is converted into corresponding fuzzy quantity.
105th, judge whether the fuzzy quantity is less than the deviation, if so, step 106 is performed, if it is not, then performing step 107;
After the deviation is converted into corresponding fuzzy quantity according to preset fuzzy rule, it can be determined that the fuzzy quantity Whether the deviation is less than, if so, step 106 is performed, if it is not, then performing step 107.
106th, the present operating frequency of the compressor of the air conditioner is maintained;
When judging to learn that the fuzzy quantity is less than the deviation, the work at present frequency of the compressor of the air conditioner can be maintained Rate.
107th, deviation variation rate corresponding with the deviation is calculated with the set temperature value according to the actual temperature value;
It, can be according to the actual temperature value and the set temperature value when judging to learn that the fuzzy quantity is not less than the deviation Calculate deviation variation rate corresponding with the deviation
108th, it is obtained according to the deviation and the deviation variation rate by PI control algolithms and preset fuzzy control rule Correct frequency;
After deviation variation rate corresponding with the deviation is calculated with the set temperature value according to the actual temperature value, Can correction frequency be obtained by PI control algolithms and preset fuzzy control rule according to the deviation and the deviation variation rate.
109th, the working frequency of the compressor is adjusted to the correction frequency.
School is being obtained by PI control algolithms and preset fuzzy control rule according to the deviation and the deviation variation rate After positive frequency, the working frequency of the compressor can be adjusted to the correction frequency.
In the present embodiment, first, the actual temperature value that the temperature sensor of the air conditioner collects is obtained;Then, it obtains Take the set temperature value at family;Calculate the deviation of the actual temperature value and the set temperature value;Then, according to preset fuzzy The deviation is converted into corresponding fuzzy quantity by rule;Finally, judge whether the fuzzy quantity is less than the deviation, if so, dimension The present operating frequency of the compressor of the air conditioner is held, if it is not, then carrying out PID fuzzy controls;The PID fuzzy controls specifically include Following steps:Deviation variation rate corresponding with the deviation is calculated with the set temperature value according to the actual temperature value;According to The deviation and the deviation variation rate obtain correction frequency by PI control algolithms and preset fuzzy control rule;This is compressed The working frequency of machine is adjusted to the correction frequency.In the present embodiment, it is right when the fuzzy quantity being calculated is not less than deviation Air conditioner carries out PID fuzzy controls so that air conditioner can be adjusted according to the Temperature Distribution of indoor each region, avoid portion The big situation of subregion temperature difference.
For ease of understanding, a kind of air conditioner self-adaptation control method in the embodiment of the present invention is retouched in detail below It states, referring to Fig. 2, a kind of another embodiment of air conditioner self-adaptation control method includes in the embodiment of the present invention:
201st, the actual temperature value that the temperature sensor of the air conditioner collects is obtained;
It is possible, firstly, to the actual temperature value that the temperature sensor for obtaining the air conditioner collects.
202nd, the set temperature value of user is obtained;
After the actual temperature value collected in the temperature sensor for obtaining the air conditioner, the setting of user can be obtained Temperature value.
203rd, corresponding critical temperature value is calculated according to the set temperature value;
After the set temperature value for obtaining user, corresponding critical-temperature can be calculated according to the set temperature value Value.The critical temperature value is the boundary value in indoor temperature controlled processes between fast cooling stage and comfortable temperature control stage.
204th, judge whether the actual temperature value is less than the critical temperature value, if so, step 207 is performed, if it is not, then holding Row step 205;
After corresponding critical temperature value is calculated according to the set temperature value, it can be determined that the actual temperature value is It is no to be less than the critical temperature value, if so, step 207 is performed, if it is not, then performing step 205.
It should be noted that indoor temperature control can be divided into fast cooling and comfortable temperature control two benches, with indoor temperature with Design of system control is segmented mode by the trend of time change, as shown in Figure 3.
Wherein A sections of compressor directly exports larger frequency, at this moment passes through the confession of the adjusting control evaporator of electric expansion valve Liquid measure reaches ideal value with the difference of evaporator inlet temperature and outlet temperature in control room (degree of superheat), ensures system with maximum Ability cools down.In the state of this variable working condition, Air conditioner refrigerating capacity maximum is the system combined work of frequency-changeable compressor-electric expansion valve The task and device of work are stabilized the economy the requirement of operation.
Indoor temperature to be controlled, as main target, fuzzy to may be used at this time as possible close to preferable indoor temperature at B sections The mode of self adaptive control controls the working frequency of compressor.
205th, the compressor is controlled to be exported with maximum frequency;
When judging to learn that the actual temperature value is not less than the critical temperature value, it is quick to illustrate that indoor temperature control is in Temperature-fall period, therefore the compressor is controlled to be exported with maximum frequency.
206th, the electric expansion valve of the air conditioner is controlled to carry out automatic adjusument;
While the compressor is controlled to be exported with maximum frequency, the electric expansion valve of the air conditioner can also be controlled to carry out Automatic adjusument.It is understood that after the control of the electric expansion valve confirms for compressor frequency, by controlling evaporator mistake System mode is automatically adjusted to optimum state by temperature.
207th, the deviation of the actual temperature value and the set temperature value is calculated;
When judging to learn that the actual temperature value is less than the critical temperature value, illustrate that indoor temperature control is in comfortable control Thermophase, at this point it is possible to calculate the deviation of the actual temperature value and the set temperature value.
208th, the deviation is converted by corresponding fuzzy quantity according to preset fuzzy rule;
After deviation of the actual temperature value with the set temperature value is calculated, it can be incited somebody to action according to preset fuzzy rule The deviation is converted into corresponding fuzzy quantity.It is understood that the fuzzy rule can be set according to actual conditions, it should Deviation is converted into corresponding fuzzy quantity under the regulation of fuzzy rule.
209th, judge whether the fuzzy quantity is less than the deviation, if so, step 210 is performed, if it is not, then performing step 211;
After the deviation is converted into corresponding fuzzy quantity according to preset fuzzy rule, it can be determined that the fuzzy quantity Whether the deviation is less than, if so, step 210 is performed, if it is not, then performing step 211.
210th, the present operating frequency of the compressor of the air conditioner is maintained;
When judging to learn that the fuzzy quantity is less than the deviation, illustrate that the working frequency of air-conditioning compressor meets currently The demand in comfortable temperature control stage can maintain the present operating frequency of the compressor of the air conditioner.
211st, deviation variation rate corresponding with the deviation is calculated with the set temperature value according to the actual temperature value;
When judging to learn that the fuzzy quantity is not less than the deviation, illustrate that the working frequency of air-conditioning compressor is not met The demand in current comfortable temperature control stage can be calculated according to the actual temperature value with the set temperature value corresponding with the deviation Deviation variation rate.
212nd, the deviation and the deviation variation rate are converted by corresponding first mould according to preset fuzzy control rule Paste amount and the second fuzzy quantity;
After deviation variation rate corresponding with the deviation is calculated with the set temperature value according to the actual temperature value, Can the deviation and the deviation variation rate be converted by corresponding first fuzzy quantity and the according to preset fuzzy control rule Two fuzzy quantities.It is understood that the fuzzy control rule can be set according to actual conditions.
213rd, preset fuzzy reasoning table is obtained;
It is obscured the deviation and the deviation variation rate are converted into corresponding first according to preset fuzzy control rule After amount and the second fuzzy quantity, preset fuzzy reasoning table can be obtained.
214th, the fuzzy reasoning table is inquired, obtains the first derived value corresponding with first fuzzy quantity and second fuzzy quantity With the second derived value;
After preset fuzzy reasoning table is obtained, the fuzzy reasoning table can be inquired, obtain with first fuzzy quantity and Corresponding first derived value of second fuzzy quantity and the second derived value.The fuzzy reasoning table includes pair of fuzzy quantity and derived value It should be related to, each fuzzy quantity can inquire in fuzzy reasoning table and obtain corresponding derived value.
215th, the correction frequency is calculated according to first derived value, the second derived value and the PI control algolithms;
After corresponding first derived value and the second derived value is inquired, it can be pushed away according to first derived value, second It leads value and the correction frequency is calculated in PI control (proportional plus integral control) algorithms.It should be noted that the PI control algolithms It can be increment type PI control algolithms, correction frequency is calculated by PI control algolithms, can achieve the purpose that correction or lag.
216th, the working frequency of the compressor is adjusted to the correction frequency;
It, can after the correction frequency is calculated according to first derived value, the second derived value and the PI control algolithms The working frequency of the compressor is adjusted to the correction frequency.It is understood that the compression is adjusted according to correction frequency The working frequency of machine so that compressor operating is in the correction frequency, so that the working frequency of compressor meets current relax The demand in suitable temperature control stage.
217th, the aperture amount of the electric expansion valve of the air conditioner and outdoor DC fan are adjusted according to the correction frequency Rotating speed.
In addition, while the working frequency of the compressor is adjusted to the correction frequency, it can also be according to correction frequency Rate adjusts the aperture amount of the electric expansion valve of the air conditioner and the rotating speed of outdoor DC fan.It is understood that most In number air-conditioning system, the adjustable output of air-conditioning system has compressor frequency, electric expansion valve, indoor and outdoor DC fan.In order to The complexity of control system is reduced, it can be in design by compressor frequency control and electric expansion valve and outdoor DC fan Control is independent to be considered.Electronic expansion valve controls are by the way that evaporator superheat is controlled to be automatically adjusted to most after compressor frequency confirms Good state;Outdoor DC fan also realizes stepless speed regulation by compressor frequency by linear algorithm.
Therefore, after the working frequency of compressor to be adjusted to correction frequency, the aperture of electric expansion valve can be adjusted The rotating speed of amount and outdoor DC fan, has achieved the purpose that adjust air-conditioning system comprehensively so that Air-condition system control is more comprehensively, more Stablize.
For ease of understanding, described embodiment according to fig. 2, below with a practical application scene to the embodiment of the present invention In a kind of air conditioner self-adaptation control method be described, please refer to Fig. 4:
1. read indoor environment temperature and set temperature, both calculate the temperature difference, the temperature difference according to Fig. 3 the strategy of stepwise control Work.
During air-conditioning just booting, the temperature difference is larger, directly exports larger frequency by A sections of compressors, at this moment passes through electronic expansion The liquid supply rate of the adjusting control evaporator of valve is reached with the difference of evaporator inlet temperature and outlet temperature in control room (degree of superheat) To ideal value, guarantee system is cooled down with maximum capacity.
After air-conditioning work for a period of time, indoor temperature decline, the temperature difference reduce, by B section with control indoor temperature as possible approach Preferable indoor temperature is main target, and compressor frequency uses Fuzzy PID self-adaptive control at this time.
Into next step control flow.
2. according to the actual temperature value that the temperature sensor sampling of air-conditioned room is read in, it is inclined with set temperature value that it is obtained Poor e is just changed into fuzzy quantity E after blurring by precise volume,
According to | E | the comparison with e judges the difference of room temperature and set temperature, and press frequency maintains not if temperature difference is small Become.
As temperature difference greatly if enter next step control flow.
3. carry out increment type PI controls:
Fuzzy decision is made by fuzzy reasoning process, then controller can be according to the PI parameters after adjustment to air-conditioning Room temperature makes corresponding adjusting, and output shows as turning compressor frequency, electronic expansion valve opening, indoor and outdoor direct current generator Speed is controlled.
Anti fuzzy method processing is a fixed process step in fuzzy control, and ambiguity solution is also made to handle.There is fixation square Method can be exchanged into precise control amount.
4. by above-mentioned steps repeated work, the stabilization of indoor environment temperature is kept.
A kind of air conditioner self-adaptation control method is essentially described above, a kind of air conditioner self adaptive control will be filled below It puts and is described in detail, referring to Fig. 5, a kind of air conditioner adaptive controller one embodiment packet in the embodiment of the present invention It includes:
Temperature collecting module 501, the actual temperature value that the temperature sensor for obtaining the air conditioner collects;
Set temperature acquisition module 502, for obtaining the set temperature value of user;
Deviation computing module 503, for calculating the deviation of the actual temperature value and the set temperature value;
Fuzzy quantity modular converter 504, for the deviation to be converted into corresponding fuzzy quantity according to preset fuzzy rule;
Judgment module 505, for judging whether the fuzzy quantity is less than the deviation;
Maintenance module 506, for when the judging result of the judgment module 505 is when being, maintains the compressor of the air conditioner Present operating frequency;
Trigger module 507, for when the judging result of the judgment module 505 is no, triggering PID fuzzy control models 508;
The PID fuzzy control models 508 include:
Deviation variation rate computing unit 5081, for being calculated according to the actual temperature value and the set temperature value with this partially The corresponding deviation variation rate of difference;
Frequency computing unit 5082 is corrected, for passing through PI control algolithms and pre- according to the deviation and the deviation variation rate If fuzzy control rule obtain correction frequency;
Unit 5083 is adjusted, for the working frequency of the compressor to be adjusted to the correction frequency.
In the present embodiment, first, temperature collecting module 501 obtains the reality that the temperature sensor of the air conditioner collects Temperature value;Set temperature acquisition module 502 obtains the set temperature value of user;Then, deviation computing module 503 calculates the reality Border temperature value and the deviation of the set temperature value;Fuzzy quantity modular converter 504, for according to preset fuzzy rule that this is inclined Difference is converted into corresponding fuzzy quantity;Next, it is determined that module 505 judges whether the fuzzy quantity is less than the deviation;When the judgement The judging result of module 505 is when being, maintenance module 506 maintains the present operating frequency of the compressor of the air conditioner;When this is sentenced When the judging result of disconnected module 505 is no, trigger module 507 triggers PID fuzzy control models 508;The PID fuzzy control models 508 include:Deviation variation rate computing unit 5081, for being calculated according to the actual temperature value and the set temperature value with this partially The corresponding deviation variation rate of difference;Frequency computing unit 5082 is corrected, for passing through according to the deviation and the deviation variation rate PI control algolithms and preset fuzzy control rule obtain correction frequency;Unit 5083 is adjusted, for by the work of the compressor Frequency is adjusted to the correction frequency.In the present embodiment, when the fuzzy quantity being calculated be not less than deviation when, to air conditioner into Row PID fuzzy controls so that air conditioner can be adjusted according to the Temperature Distribution of indoor each region, avoid subregion temperature Spend the big situation of difference.
For ease of understanding, a kind of air conditioner adaptive controller in the embodiment of the present invention is retouched in detail below It states, referring to Fig. 6, a kind of another embodiment of air conditioner adaptive controller includes in the embodiment of the present invention:
Temperature collecting module 601, the actual temperature value that the temperature sensor for obtaining the air conditioner collects;
Set temperature acquisition module 602, for obtaining the set temperature value of user;
Deviation computing module 603, for calculating the deviation of the actual temperature value and the set temperature value;
Fuzzy quantity modular converter 604, for the deviation to be converted into corresponding fuzzy quantity according to preset fuzzy rule;
Judgment module 605, for judging whether the fuzzy quantity is less than the deviation;
Maintenance module 606, for when the judging result of the judgment module 605 is when being, maintains the compressor of the air conditioner Present operating frequency;
Trigger module 607, for when the judging result of the judgment module 605 is no, triggering PID fuzzy control models 608;
The PID fuzzy control models 608 include:
Deviation variation rate computing unit 6081, for being calculated according to the actual temperature value and the set temperature value with this partially The corresponding deviation variation rate of difference;
Frequency computing unit 6082 is corrected, for passing through PI control algolithms and pre- according to the deviation and the deviation variation rate If fuzzy control rule obtain correction frequency;
Unit 6083 is adjusted, for the working frequency of the compressor to be adjusted to the correction frequency.
The correction frequency computing unit 6082 includes in the present embodiment:
Transforming subunit 821, for being converted the deviation and the deviation variation rate according to preset fuzzy control rule For corresponding first fuzzy quantity and the second fuzzy quantity;
Subelement 822 is obtained, for obtaining preset fuzzy reasoning table;
Subelement 823 is inquired, for inquiring the fuzzy reasoning table, is obtained and first fuzzy quantity and second fuzzy quantity pair The first derived value and the second derived value answered;
Frequency computation subunit 824 is corrected, based on according to first derived value, the second derived value and the PI control algolithms Calculation obtains the correction frequency.
The system further includes in the present embodiment:
Aperture amount and rotational speed regulation module 609, for adjusting the electric expansion valve of the air conditioner according to the correction frequency The rotating speed of aperture amount and outdoor DC fan.
The system further includes in the present embodiment:
Critical temperature value computing module 610, for corresponding critical temperature value to be calculated according to the set temperature value;
Temperature judgment module 611, for judging whether the actual temperature value is less than the critical temperature value;
Deviation trigger module 612, for when the judging result of the temperature judgment module 611 is when being, triggers the deviation Computing module;
Maximum output module 613, for when the judging result of the temperature judgment module 611 is no, controlling the compressor It is exported with maximum frequency.
The system further includes in the present embodiment:
Expansion valve control module 614, it is same for the compressor being controlled to export with maximum frequency in the maximum output module When, the electric expansion valve of the air conditioner is controlled to carry out automatic adjusument.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit can refer to the corresponding process in preceding method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit It divides, only a kind of division of logic function can have other dividing mode, such as multiple units or component in actual implementation It may be combined or can be integrated into another system or some features can be ignored or does not perform.Another point, it is shown or The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit It closes or communicates to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit The component shown may or may not be physical unit, you can be located at a place or can also be distributed to multiple In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme 's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also That each unit is individually physically present, can also two or more units integrate in a unit.Above-mentioned integrated list The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is independent product sale or uses When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme of the present invention is substantially The part to contribute in other words to the prior art or all or part of the technical solution can be in the form of software products It embodies, which is stored in a storage medium, is used including some instructions so that a computer Equipment (can be personal computer, server or the network equipment etc.) performs the complete of each embodiment the method for the present invention Portion or part steps.And aforementioned storage medium includes:USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey The medium of sequence code.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although with reference to before Embodiment is stated the present invention is described in detail, it will be understood by those of ordinary skill in the art that:It still can be to preceding The technical solution recorded in each embodiment is stated to modify or carry out equivalent replacement to which part technical characteristic;And these Modification is replaced, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.

Claims (10)

1. a kind of air conditioner self-adaptation control method, which is characterized in that including:
Obtain the actual temperature value that the temperature sensor of the air conditioner collects;
Obtain the set temperature value of user;
Calculate the deviation of the actual temperature value and the set temperature value;
The deviation is converted by corresponding fuzzy quantity according to preset fuzzy rule;
Judge whether the fuzzy quantity is less than the deviation, if so, maintaining the work at present of the compressor of the air conditioner Frequency, if it is not, then carrying out PID fuzzy controls;
The PID fuzzy controls specifically include following steps:
Deviation variation rate corresponding with the deviation is calculated with the set temperature value according to the actual temperature value;
It is corrected according to the deviation and the deviation variation rate by PI control algolithms and preset fuzzy control rule Frequency;
The working frequency of the compressor is adjusted to the correction frequency.
2. according to the method described in claim 1, it is characterized in that, PI is passed through according to the deviation and the deviation variation rate Control algolithm and preset fuzzy control rule obtain correction frequency and specifically include:
The deviation and the deviation variation rate are converted by corresponding first fuzzy quantity according to preset fuzzy control rule With the second fuzzy quantity;
Obtain preset fuzzy reasoning table;
Inquire the fuzzy reasoning table, obtain the first derived value corresponding with first fuzzy quantity and second fuzzy quantity and Second derived value;
The correction frequency is calculated according to first derived value, the second derived value and the PI control algolithms.
3. according to the method described in claim 1, it is characterized in that, the PID fuzzy controls are further comprising the steps of:
The aperture amount of the electric expansion valve of the air conditioner and the rotating speed of outdoor DC fan are adjusted according to the correction frequency.
4. according to the method in any one of claims 1 to 3, which is characterized in that calculate the actual temperature value with it is described It is further included before the deviation of set temperature value:
Corresponding critical temperature value is calculated according to the set temperature value;
Judge whether the actual temperature value is less than the critical temperature value, if so, perform calculate the actual temperature value with The step of deviation of the set temperature value, if it is not, the compressor is then controlled to be exported with maximum frequency;
Critical temperature value is the boundary value in indoor temperature controlled processes between fast cooling stage and comfortable temperature control stage.
It is 5. according to the method described in claim 4, it is characterized in that, same the compressor is controlled to export with maximum frequency When, the electric expansion valve of the air conditioner is controlled to carry out automatic adjusument.
6. a kind of air conditioner adaptive control system, which is characterized in that including:
Temperature collecting module, the actual temperature value that the temperature sensor for obtaining the air conditioner collects;
Set temperature acquisition module, for obtaining the set temperature value of user;
Deviation computing module, for calculating the deviation of the actual temperature value and the set temperature value;
Fuzzy quantity modular converter, for the deviation to be converted into corresponding fuzzy quantity according to preset fuzzy rule;
Judgment module, for judging whether the fuzzy quantity is less than the deviation;
Maintenance module, for when the judging result of the judgment module is to be, maintaining the current of the compressor of the air conditioner Working frequency;
Trigger module, for when the judging result of the judgment module is no, triggering PID fuzzy control models;
The PID fuzzy control models include:
Deviation variation rate computing unit, for being calculated according to the actual temperature value and the set temperature value and the deviation It is worth corresponding deviation variation rate;
Frequency computing unit is corrected, for passing through PI control algolithms and preset according to the deviation and the deviation variation rate Fuzzy control rule obtains correction frequency;
Unit is adjusted, for the working frequency of the compressor to be adjusted to the correction frequency.
7. system according to claim 6, which is characterized in that the correction frequency computing unit includes:
Transforming subunit, for being converted into the deviation and the deviation variation rate pair according to preset fuzzy control rule The first fuzzy quantity and the second fuzzy quantity answered;
Subelement is obtained, for obtaining preset fuzzy reasoning table;
Subelement is inquired, for inquiring the fuzzy reasoning table, is obtained and first fuzzy quantity and second fuzzy quantity pair The first derived value and the second derived value answered;
Frequency computation subunit is corrected, for being calculated according to first derived value, the second derived value and the PI control algolithms Obtain the correction frequency.
8. system according to claim 6, which is characterized in that the system also includes:
Aperture amount and rotational speed regulation module, for adjusting the aperture of the electric expansion valve of the air conditioner according to the correction frequency The rotating speed of amount and outdoor DC fan.
9. the system according to any one of claim 6 to 8, which is characterized in that the system also includes:
Critical temperature value computing module, for corresponding critical temperature value to be calculated according to the set temperature value;
Temperature judgment module, for judging whether the actual temperature value is less than the critical temperature value;
Deviation trigger module, for when the judging result of the temperature judgment module is when being, triggers the deviation calculating mould Block;
Maximum output module, for when the judging result of the temperature judgment module is no, controlling the compressor with maximum Rate-adaptive pacemaker;
Critical temperature value is the boundary value in indoor temperature controlled processes between fast cooling stage and comfortable temperature control stage.
10. system according to claim 9, which is characterized in that the system also includes:
Expansion valve control module, for while the maximum output module controls the compressor to be exported with maximum frequency, The electric expansion valve of the air conditioner is controlled to carry out automatic adjusument.
CN201510990518.9A 2015-12-23 2015-12-23 A kind of air conditioner self-adaptation control method and system CN105402860B (en)

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