CN103448511B - A kind of automatically except formaldehyde control system and method - Google Patents
A kind of automatically except formaldehyde control system and method Download PDFInfo
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- CN103448511B CN103448511B CN201310346739.3A CN201310346739A CN103448511B CN 103448511 B CN103448511 B CN 103448511B CN 201310346739 A CN201310346739 A CN 201310346739A CN 103448511 B CN103448511 B CN 103448511B
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Abstract
The invention discloses a kind of formaldehyde control system and method automatically removed, relate to car inner air-cleaning field. Described system comprises: checkout gear, for detection of the concentration of the formaldehyde in vehicle occupant compartment; Data processing equipment, for according to described concentration, draws the rate of change of formaldehyde pollution index and described pollution index; Fuzzy controller, for described pollution index and described rate of change are carried out to obfuscation, carries out fuzzy reasoning according to described control rule table, obtain fuzzy control quantity, by after described fuzzy control quantity sharpening, precisely controlled amount, exports accurate controlled quentity controlled variable signal according to described accurate controlled quentity controlled variable; Methanal decontamination plant, for carrying out purifying formaldehyde according to described accurate controlled quentity controlled variable signal to space in crew module. This design can control methanal decontamination plant automatically, accurately control air quality in crew module maintains a high levels.
Description
Technical field
The present invention relates to purifying formaldehyde field in car, especially a kind of automatically except formaldehyde control system and method.
Background technology
Along with China's expanding economy, automobile is more and more universal, and in car, formaldehyde pollution problem is also more and more serious. China chamberIndoor environmental quality monitoring center of interior trim association once carried out test to some vehicles, found that in car, concentration of formaldehyde is very large,Badly influence driver and conductor's physical and mental health. In car, formaldehyde pollution problem more and more obtains people's attention, improves carInterior air quality is extremely urgent.
In the prior art, can carry out purifying formaldehyde by Vehicular formaldehyde purifier, be difficult to realize but drive peopleCarry out purifying formaldehyde according to the concrete condition of formaldehyde in car, as used low wind speed and anion low speed in the time that formaldehyde pollution index is highThe mode of operation discharging, makes the interior purifying formaldehyde of car incomplete; In the time that formaldehyde pollution index is low, but adopt high wind speed and anionThe mode of operation of high speed pay-out, has caused energy waste.
Summary of the invention
The object of this invention is to provide a kind of formaldehyde control system and method automatically removed, reach PARA FORMALDEHYDE PRILLS(91,95) purifier oneselfThe moving technique effect of controlling, accurately control concentration of formaldehyde in crew module and maintain a lower scope.
For reaching this object, the invention provides a kind of formaldehyde control system of automatically removing, it is characterized in that, comprising:
Checkout gear, for: the concentration of formaldehyde in vehicle occupant compartment detected;
Data processing equipment, for: according to described concentration of formaldehyde, draw the change of formaldehyde pollution index and described pollution indexRate;
Fuzzy controller, stores rate of change taking described pollution index and described pollution index as first, second inputVariable, the control rule table taking the output parameter of methanal decontamination plant as the fuzzy control process of controlled quentity controlled variable, for: to described dirtStaining index and described rate of change carry out obfuscation, carry out fuzzy reasoning according to described control rule table, obtain fuzzy control quantity, willAfter described fuzzy control quantity sharpening, precisely controlled amount, exports accurate controlled quentity controlled variable signal according to described accurate controlled quentity controlled variable, itsIn, the experiment statistics of described control rule table harm to people according to the air of different formaldehyde pollution indexes in crew module draws;
Methanal decontamination plant, for: according to described accurate controlled quentity controlled variable signal, purifying formaldehyde is carried out in space in crew module.
Preferably, described control system also comprises:
Manually selecting arrangement, for: select to open or close described automatically except formaldehyde control system.
Preferably, described manual selecting arrangement comprises:
Select button, for: under the state of closing in described control system, press the described control system of rear unlatching; InstituteState under the state of control system unlatching, after pressing, close described control system.
Preferably, described fuzzy controller comprises:
Obfuscation module, for: described pollution index and described rate of change are carried out to obfuscation;
Memory module, for: described control rule table stored;
Reasoning module, for: according to the described pollution index after described control rule table and obfuscation and described rate of changeObtain fuzzy control quantity;
Ambiguity solution module, for: according to MIN-MAX gravity model appoach, described fuzzy control quantity is carried out to computing, accurately controlledAmount processed;
Accurately output module, exports described accurate controlled quentity controlled variable to methanal decontamination plant, and described methanal decontamination plant is according to instituteState accurate controlled quentity controlled variable and carry out purifying formaldehyde.
The present invention also provides a kind of and it is characterized in that automatically except formaldehyde control system, comprising:
Step 1 is set up with pollution index described in the formaldehyde pollution exponential sum in vehicle occupant compartment in fuzzy controllerRate of change is first, second input variable, the control taking the output parameter of methanal decontamination plant as the fuzzy control process of controlled quentity controlled variableRule list processed, and set up for will accurately measuring the input variable fuzzy set of obfuscation, wherein, described control rule table is according to occupantIn cabin, the experiment statistics of the harm of the air of different formaldehyde pollution indexes to people draws;
Step 2, detects the concentration of formaldehyde in vehicle occupant compartment, calculates described formaldehyde pollution index and described pollution indexRate of change;
Step 3, draws and the described dirt of same time point according to described input variable fuzzy set, described control rule tableStaining index and fuzzy control quantity corresponding to described rate of change, and described fuzzy control quantity is converted into accurate controlled quentity controlled variable;
Step 4, carries out purifying formaldehyde according to described accurate controlled quentity controlled variable to space in crew module.
Preferably, described output parameter is power output.
Preferably, before step 2, also comprise:
Select step, select whether to use described control method.
Preferably, described step 1 comprises:
Described the first input variable, the second input variable are divided into respectively to 4 grades, 7 grades Linguistic Value manifolds discretization, mouldGelatinization is in described Linguistic Value manifold;
Described controlled quentity controlled variable is divided into 4 grades of Linguistic Value manifolds discretization, obfuscation in described Linguistic Value manifold;
The experiment statistics of the harm according to the formaldehyde of different pollution indexs in crew module to people, sets up described control lawTable.
Preferably, described step 3 adopts MIN-MAX gravity model appoach.
Preferably, the fourth gear Linguistic Value manifold that described controlled quentity controlled variable is divided is: { 0,1,2,3}, wherein, 0 does not hold described in representingThe action of row purifying formaldehyde, low wind speed and the low mode of operation discharging of anion are carried out in 1 expression, and 2 represent wind speed and negative in executionThe mode of operation that ion moderate discharges, 3 represent to carry out the mode of operation of high wind speed and the release of anion height, described low wind speed,Middle wind speed, high wind speed, minuent, moderate, be highly obfuscation language, in step 3, can be converted into accurate controlled quentity controlled variable.
The present invention at least has following technique effect:
1) in the present invention, by formaldehyde pollution index and rate of change thereof in crew module are carried out to a series of fuzzy operations,Try to achieve the controlled quentity controlled variable of PARA FORMALDEHYDE PRILLS(91,95) purifier, thereby PARA FORMALDEHYDE PRILLS(91,95) purifies.
This design makes the purification of methanal decontamination plant PARA FORMALDEHYDE PRILLS(91,95) precisely controlled, makes formaldehyde pollution index higherTime can be purified to rapidly normal level, and relatively stable remain on this level, created formaldehyde environment in good car,Meet the requirement of people to healthy living. The methanal decontamination plant work in peak power always has also been avoided in this designPattern, has played the effect of saving the energy.
2) in the present invention, be also provided with a manual selecting arrangement.
This design makes to drive people can freely select whether open control system of the present invention, makes to drive peopleIn the time not needing to use system of the present invention, can select to close described system, both increase the choice of driving people, again jointEconomize the energy.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention,And can be implemented according to the content of description, and for allow above and other objects of the present invention, feature and advantage canBecome apparent, below especially exemplified by the specific embodiment of the present invention, and coordinate accompanying drawing, be described in detail as follows.
Brief description of the drawings
The structural representation that automatically removes formaldehyde control system that Fig. 1 provides for one embodiment of the present of invention;
The flow chart that automatically removes formaldehyde control method that Fig. 2 provides for one embodiment of the present of invention;
The principle schematic of automatically removing formaldehyde control system and method that Fig. 3 provides for one embodiment of the present of invention.
Description of reference numerals is as follows:
Checkout gear 101 data processing equipments 102
Fuzzy controller 103 methanal decontamination plants 104
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
The structural representation that automatically removes formaldehyde control system that Fig. 1 provides for one embodiment of the present of invention. Can by Fig. 1Find out, the invention discloses a kind of formaldehyde control system of automatically removing, comprising:
Checkout gear 101, for: the concentration of formaldehyde in vehicle occupant compartment detected;
Data processing equipment 102, for: according to described concentration of formaldehyde, draw formaldehyde pollution index and described pollution indexRate of change;
Fuzzy controller 103, stores taking the rate of change of described pollution index and described pollution index defeated as first, secondEnter variable, the control rule table taking the output parameter of methanal decontamination plant 104 as the fuzzy control process of controlled quentity controlled variable, for: rightDescribed pollution index and described rate of change carry out obfuscation, carry out fuzzy reasoning according to described control rule table, obtain Fuzzy ControlAmount processed, by after described fuzzy control quantity sharpening, precisely controlled amount, exports accurate controlled quentity controlled variable according to described accurate controlled quentity controlled variableSignal, wherein, the experiment system of described control rule table harm to people according to the air of different formaldehyde pollution indexes in crew moduleMeter draws;
Methanal decontamination plant 104, for: according to described accurate controlled quentity controlled variable signal, formaldehyde is carried out in space in crew module cleanChange.
This design makes the purification of methanal decontamination plant 104 PARA FORMALDEHYDE PRILLS(91,95)s precisely controlled, makes formaldehyde pollution indexWhen higher, can be purified to rapidly normal level, and relatively stable remain on this level, create air in good carEnvironment, has met the requirement of people to healthy living. This design has also avoided methanal decontamination plant 104 always in maximum workThe mode of operation of rate, has played the effect of saving the energy.
In one embodiment of the invention, described control system also comprises manual selecting arrangement, described manual selection dressPut for selecting to open or close described control system. Described manual selecting arrangement can comprise selection button, in described controlUnder the state of system closing, by opening described control system after select button; Under the state of opening in described control system, pressAfter select button, close described control system.
This design makes to drive people can freely select whether open control device of the present invention, makes to drive peopleIn the time not needing to use system of the present invention, can select to close described system, both increase the choice of driving people, again jointEconomize the energy.
In the present invention, described fuzzy controller 103 can comprise: for described pollution index and described rate of change are enteredThe obfuscation module of row obfuscation, for storing the memory module of described control rule table, for according to described control rule table andDescribed pollution index after obfuscation and described rate of change obtain the reasoning module of fuzzy control quantity, for heavy according to MIN-MAXHeart method is carried out the ambiguity solution module of computing, precisely controlled amount to described fuzzy control quantity, for exporting described accurate controlAmount is to the accurate output module of methanal decontamination plant 104. Described methanal decontamination plant 104 carries out first according to described accurate controlled quentity controlled variableAldehyde purifies.
The flow chart that automatically removes formaldehyde control method that Fig. 2 provides for one embodiment of the present of invention. Can be seen by Fig. 2Go out, the invention also discloses a kind of formaldehyde control method of automatically removing, comprising:
Step 201 is set up and is referred to pollute described in the formaldehyde pollution exponential sum in vehicle occupant compartment in fuzzy controller 103The rates of change of number are first, second input variable, the fuzzy control taking the output parameter of methanal decontamination plant 104 as controlled quentity controlled variableThe control rule table of journey, and set up for will accurately measuring the input variable fuzzy set of obfuscation, wherein, described control rule table rootThe experiment statistics of the harm according to the air of different formaldehyde pollution indexes in crew module to people draws; Step 202, detects automobile passengerConcentration of formaldehyde in cabin, calculates the rate of change of described formaldehyde pollution index and described pollution index; Step 203, according to described defeatedEnter variable fuzzy set, described control rule table and draw the mould corresponding with the described pollution index of same time point and described rate of changeStick with paste controlled quentity controlled variable, and described fuzzy control quantity is converted into accurate controlled quentity controlled variable; Step 204, according to described accurate controlled quentity controlled variable to occupantIn cabin, purifying formaldehyde is carried out in space.
This design makes to remove in formaldehyde control system automatic control process automatic, and fuzzy controller 103 only needs inquiryThe fuzzy control rule table of having stored, therefore this control method has not only realized the accurate control that automatically removes formaldehyde control systemSystem, meanwhile, has ensured automatically to remove the real-time of formaldehyde control system. In addition, utilize the principle control purifying formaldehyde of fuzzy control,Make system have stronger robustness.
In one embodiment of the invention, described output parameter is power output.
In one embodiment of the invention, before step 2, also comprise: select step, select whether to use described controlMethod processed.
In one embodiment of the invention, described step 1 comprises: by described the first input variable, the second input variableBe divided into respectively 4 grades, 7 grades Linguistic Value manifolds discretization, obfuscation in described Linguistic Value manifold; Described controlled quentity controlled variable is dividedBe that 4 grades of Linguistic Value manifolds discretization, obfuscation are in described Linguistic Value manifold; According to the first of different pollution indexs in crew moduleThe experiment statistics of the harm of aldehyde to people, sets up described control rule table.
In one embodiment of the invention, described step 3 adopts MIN-MAX gravity model appoach. Described MIN-MAX method is for existingHaving technology, is a kind of transform mode that in automation control, fuzzy control quantity is changed into digital control amount, in this patent notDescribe in detail.
In one embodiment of the invention, the fourth gear Linguistic Value manifold that described controlled quentity controlled variable is divided is: 0,1,2,3}, itsIn, 0 does not carry out purifying formaldehyde action described in representing, and 1 represents to carry out low wind speed and the low mode of operation discharging of anion, 2 tablesShow the mode of operation that in execution, wind speed and anion moderate discharge, 3 represent to carry out the work that high wind speeds and anion height dischargePattern, described low wind speed, middle wind speed, high wind speed, minuent, moderate, is highly obfuscation language, in step 3, can be converted into essenceReally controlled quentity controlled variable.
The principle schematic of automatically removing formaldehyde control system and method that Fig. 3 provides for one embodiment of the present of invention. ?In embodiment described in Fig. 3, fuzzy controller 103 is taking formaldehyde pollution index I and formaldehyde pollution variational rate EI as input quantity,Carry out fuzzy reasoning, calculate controlled quentity controlled variable U, the controlled quentity controlled variable U that purifying formaldehyde controller is exported according to fuzzy controller 103, realizesTo the control of Vehicular formaldehyde purifier 104.
Formaldehyde pollution index I in input quantity is detected by intelligent formaldehyde examination module, and it,, by detecting concentration of formaldehyde, drawsFormaldehyde pollution index I. In addition, intelligent formaldehyde examination module is calculated automatically according to the formaldehyde pollution index I situation of change of its detectionFormaldehyde pollution variational rate EI, and formaldehyde pollution index I and formaldehyde pollution variational rate EI are input to Fuzzy Control the most at lastDevice 103 processed. Detailed process is as described below.
1, fuzzy controller 103 is micro-, basic, normal, high taking formaldehyde pollution index I() and formaldehyde pollution variational rate EI as defeatedEnter amount;
2, the Linguistic Value data of fuzzy controller 103 input quantities are carried out to stepping: formaldehyde pollution index I is divided into 4 grades, wordRemittance is expressed as: { zero (ZO), just little (PI), center (PM), honest (PB) }; Formaldehyde pollution variational rate EI is divided into 7 grades, wordRemittance is expressed as: and negative large (NB), in bearing (NM), negative little (NI), zero (ZO), just little (PI), center (PM), honest (PB) };
3, the domain of formaldehyde pollution index I is decided to be to 8 grades: { 0,1,2,3,4,5,6,7} becomes formaldehyde pollution indexRate EI domain is decided to be 15 grades: and 7 ,-6 ,-5 ,-4 ,-3 ,-2 ,-1,0,1,2,3,4,5,6,7}; Formaldehyde pollution index I andFormaldehyde pollution variational rate EI assignment is respectively as shown in following table 1 and table 2.
Table 1
Table 2
4, draw corresponding fuzzy set type variable by linguistic variable, to carry out fuzzy reasoning: will accurately measure that (formaldehyde pollution refers toNumber I, formaldehyde pollution variational rate EI) discretization and obfuscation, fuzzy set of each grade of correspondence of having divided;
5, controlled quentity controlled variable U Linguistic Value is { zero (ZO), just little (PI), center (PM), honest (PB) }, and domain is decided to be 4 grades:{ 0,1,2,3}, assignment is as shown in table 3 below.
Table 3
6, set up first control rule base, to form fuzzy set control rule base, finally obtain fuzzy control rule table 4;
Table 4
The experiment statistics of described control rule table harm to people according to the air of different formaldehyde pollution indexes in crew moduleDraw, I is larger for formaldehyde pollution index, needs the possibility of purifying formaldehyde control higher, according to different formaldehyde pollutions in crew moduleThe experiment statistics of the harm of the air of index to people, PARA FORMALDEHYDE PRILLS(91,95) pollution index I is more than 7, corresponding content is all maximum 3,Represent to be starved of to carry out purifying formaldehyde adjusting. PARA FORMALDEHYDE PRILLS(91,95) pollution index I is 4-7, if formaldehyde pollution variational rate EIBe more than 1, illustrate that pollution index increases can work the mischief to people very soon, so corresponding content is all also maximum 3. So,Above control rule table be according to the air of different formaldehyde pollution indexes in crew module to people's harm as standard, then according to dirtStaining index I and pollution index rate of change EI produce driving the anticipated impact statistics of people's harm.
7, do de-fuzzy processing by the output interface of fuzzy controller 103, fuzzy control quantity is converted to accurate controlAmount U: use MIN-MAX gravity model appoach to realize the de-fuzzy process of fuzzy reasoning and fuzzy quantity thereof;
8, precisely controlled amount U(purifying formaldehyde control signal) after, intelligent purifying formaldehyde controller will be controlled according to thisAmount realizes the control to controlled device (methanal decontamination plant 104).
9, Vehicular formaldehyde purifier 104 is mainly made up of wind speed generator and anion generator.
10,, in the time of controlled quentity controlled variable U=0, intelligent purifying formaldehyde controller control Vehicular formaldehyde purifier 104 is not carried out formaldehydePurify action; In the time of controlled quentity controlled variable U=1, intelligent purifying formaldehyde controller control Vehicular formaldehyde purifier 104 carry out low wind speed andThe a small amount of mode of operation discharging of anion; In the time of controlled quentity controlled variable U=2, intelligent purifying formaldehyde controller control Vehicular formaldehyde purifierThe mode of operation that in 104 execution, wind speed and anion moderate discharge; In the time of controlled quentity controlled variable U=3, the control of intelligent purifying formaldehyde controllerVehicular formaldehyde purifier 104 is carried out the mode of operation of high wind speed and the release of anion height.
11, this automatic purifying formaldehyde control system, can select automatic or manual pattern purifying formaldehyde by button, at handUnder dynamic model formula, formaldehyde cleaning system is no longer carried out intelligent self-purging, but carries out corresponding air according to the parameter of manual settingPurify action.
This design makes automobile in the time not needing purifying formaldehyde function, drives people and can freely close automatically except formaldehyde controlSystem processed, in the time that driving people opens automatically except formaldehyde control system, described automatically except formaldehyde control system can be according to currentThe rate of change of formaldehyde pollution exponential sum formaldehyde pollution index, PARA FORMALDEHYDE PRILLS(91,95) purifies, and degree of purification is also along with formaldehyde pollution indexChange with the variation of formaldehyde pollution variational rate, this makes formaldehyde in crew module to arrive normal level in the short periodAnd remain on constantly near normal level, realize the accurate control except formaldehyde control system automatically, and ensured this systemReal-time, in guarantee car, formaldehyde has been saved the energy in human body not being worked the mischief.
By reference to the accompanying drawings the present invention is exemplarily described above, obviously specific implementation of the present invention is not subject to aforesaid wayRestriction, as long as the various improvement that adopted method of the present invention design and technical scheme to carry out or are applied without improving directlyIn other occasion, all within protection scope of the present invention.
Claims (9)
1. automatically except a formaldehyde control system, it is characterized in that, comprising:
Checkout gear (101), for: the concentration of formaldehyde in vehicle occupant compartment detected;
Data processing equipment (102), for: according to described concentration of formaldehyde, draw formaldehyde pollution index and described pollution indexRate of change;
Fuzzy controller (103), stores rate of change taking described pollution index and described pollution index as first, second inputVariable, the control rule table taking the output parameter of methanal decontamination plant as the fuzzy control process of controlled quentity controlled variable, for: to described dirtStaining index and described rate of change carry out obfuscation, carry out fuzzy reasoning according to described control rule table, obtain fuzzy control quantity, willAfter described fuzzy control quantity sharpening, precisely controlled amount, exports accurate controlled quentity controlled variable signal according to described accurate controlled quentity controlled variable, itsIn, the experiment statistics of described control rule table harm to people according to the air of different formaldehyde pollution indexes in crew module draws;
Methanal decontamination plant (104), for: according to described accurate controlled quentity controlled variable signal, purifying formaldehyde is carried out in space in crew module;
Wherein, described formaldehyde pollution index represents with I, is divided into 4 grades, is expressed as with vocabulary: { zero (ZO), just little (PI), center(PM), honest (PB) }, the domain of described formaldehyde pollution index is decided to be 8 grades: { 0,1,2,3,4,5,6,7}, its assignment tableFor:
Described formaldehyde pollution variational rate represents with EI, is divided into 7 grades, is expressed as with vocabulary: negative large (NB), negative in (NM), negativeLittle (NI), zero (ZO), just little (PI), center (PM), honest (PB) }, the domain of described formaldehyde pollution variational rate is decided to be 15Individual grade: { ?7 ， ?6 ， ?5 ， ?4 ， ?3 ， ?2 ， ?1,0,1,2,3,4,5,6,7}, its assignment table is:
Described fuzzy control quantity represents with U, and its Linguistic Value is { zero (ZO), just little (PI), center (PM), honest (PB) }, described inThe domain of fuzzy control quantity is decided to be 4 grades: and 0,1,2,3}, its assignment table is:
Described control rule table is
2. control system as claimed in claim 1, is characterized in that, also comprises:
Manually selecting arrangement, for: select to open or close described automatically except formaldehyde control system.
3. control system as claimed in claim 2, is characterized in that, described manual selecting arrangement comprises:
Select button, for: under the state of closing in described control system, press the described control system of rear unlatching; In described controlUnder the state that system processed is opened, after pressing, close described control system.
4. the control system as described in any one in claims 1 to 3, is characterized in that, described fuzzy controller comprises:
Obfuscation module, for: described pollution index and described rate of change are carried out to obfuscation;
Memory module, for: described control rule table stored;
Reasoning module, for: obtain according to the described pollution index after described control rule table and obfuscation and described rate of changeFuzzy control quantity;
Ambiguity solution module, for: according to MIN-MAX gravity model appoach, described fuzzy control quantity is carried out to computing, precisely controlled amount;
Accurately output module, exports described accurate controlled quentity controlled variable to methanal decontamination plant, and described methanal decontamination plant is according to described essenceReally controlled quentity controlled variable is carried out purifying formaldehyde.
5. automatically except a formaldehyde control method, it is characterized in that, comprising:
Step 1 is set up with pollution index described in the formaldehyde pollution exponential sum in vehicle occupant compartment in fuzzy controller (103)Rate of change be first, second input variable, the fuzzy control process taking the output parameter of methanal decontamination plant as controlled quentity controlled variableControl rule table, and set up for will accurately measuring the input variable fuzzy set of obfuscation, wherein, described control rule table is according to taking advantage ofIn member cabin, the experiment statistics of the harm of the air of different formaldehyde pollution indexes to people draws;
Step 2, detects the concentration of formaldehyde in vehicle occupant compartment, the change of calculating described formaldehyde pollution index and described pollution indexRate;
Step 3, draws with the described pollution of same time point and refers to according to described input variable fuzzy set, described control rule tableNumber and fuzzy control quantity corresponding to described rate of change, and described fuzzy control quantity is converted into accurate controlled quentity controlled variable;
Step 4, carries out purifying formaldehyde according to described accurate controlled quentity controlled variable to space in crew module;
Wherein, described formaldehyde pollution index represents with I, is divided into 4 grades, is expressed as with vocabulary: { zero (ZO), just little (PI), center(PM), honest (PB) }, the domain of described formaldehyde pollution index is decided to be 8 grades: { 0,1,2,3,4,5,6,7}, its assignment tableFor:
Described formaldehyde pollution variational rate represents with EI, is divided into 7 grades, is expressed as with vocabulary: negative large (NB), negative in (NM), negativeLittle (NI), zero (ZO), just little (PI), center (PM), honest (PB) }, the domain of described formaldehyde pollution variational rate is decided to be 15Individual grade: { ?7 ， ?6 ， ?5 ， ?4 ， ?3 ， ?2 ， ?1,0,1,2,3,4,5,6,7}, its assignment table is:
Described fuzzy control quantity represents with U, and its Linguistic Value is { zero (ZO), just little (PI), center (PM), honest (PB) }, described inThe domain of fuzzy control quantity is decided to be 4 grades: and 0,1,2,3}, its assignment table is:
Described control rule table is
6. control method as claimed in claim 5, is characterized in that, described output parameter is power output.
7. control method as claimed in claim 6, is characterized in that, before step 2, also comprises:
Select step, select whether to use described control method.
8. control method as claimed in claim 5, is characterized in that, described step 3 adopts MIN-MAX gravity model appoach.
9. control method as claimed in claim 8, is characterized in that, the fourth gear Linguistic Value manifold that described controlled quentity controlled variable is divided is:0,1,2,3}, and wherein, 0 represents not carry out purifying formaldehyde action, and 1 represents to carry out low wind speed and the low work discharging of anionPattern, the mode of operation that in 2 expression execution, wind speed and anion moderate discharge, high wind speeds are carried out in 3 expressions and anion height is releasedThe mode of operation of putting, described low wind speed, middle wind speed, high wind speed, minuent, moderate, is highly obfuscation language, meeting in step 3Be converted into accurate controlled quentity controlled variable.
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| CN117907548B (en) * | 2024-03-19 | 2024-05-17 | 中科瀚喆(常州)净化技术有限公司 | Formaldehyde detection method and formaldehyde detection device |
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