CN109668645A - Motor for washer detection method for temperature rise, system and washing machine - Google Patents
Motor for washer detection method for temperature rise, system and washing machine Download PDFInfo
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- CN109668645A CN109668645A CN201710962772.7A CN201710962772A CN109668645A CN 109668645 A CN109668645 A CN 109668645A CN 201710962772 A CN201710962772 A CN 201710962772A CN 109668645 A CN109668645 A CN 109668645A
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- motor
- temperature rise
- deviation
- washer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K2205/00—Application of thermometers in motors, e.g. of a vehicle
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K2207/00—Application of thermometers in household appliances
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
The invention discloses a kind of motor for washer detection method for temperature rise, system and washing machine, the deviation of the motor temperature rise for motor temperature rise and motor for washer the driving plate feedback that thermocouple in machine winding obtains is divided into N number of fuzzy set, the number of resurveying that motor for washer driving plate detects the motor temperature rise value of motor for washer again is divided into M fuzzy set, using deviation as Indistinct Input, to resurvey number as fuzzy output, fuzzy rule based on formulation obtains resurveying number, so that motor for washer driving plate is according to the motor temperature rise value for resurveying number and detecting again motor for washer, when motor temperature rise error is larger, motor temperature rise is modified by the fuzzy control method that this case proposes, obtain the high motor temperature rise of accuracy, solve the technical problem of existing motor for washer temperature rise detection inaccuracy, to reduce laundry The erroneous judgement of machine controller is possible, improves the scourability of washing machine.
Description
Technical field
The invention belongs to washing machine technology fields, specifically, being to be related to a kind of motor for washer detection method for temperature rise, be
System and washing machine.
Background technique
The performance of washing machine is utmostly limited to the performance of motor for washer, in washing machine operational process, with electricity
Machine drives load operation, and motor temperature rise can continue to increase.
The temperature rise of motor is defined as: when motor under normal temperature state by starting running, as operated motor temperature constantly increases,
After its temperature projecting environment temperature, on the one hand continues absorption heat and slowly heat up, on the one hand start to distribute heat to surrounding
Amount, when motor is in heat balance state, temperature is no longer increased, at this point, the temperature difference of the temperature of motor and ambient enviroment
The as temperature rise of motor.In washing machine operation process, if motor temperature rise it is lasting raising phenomenon it is without restriction, once it is warm
Liter reaches maximum permissible temperature then and will lead to the deterioration of the physics of motor insulation material, machinery, chemistry and electric property, this can lead
Machine reduced performance is sent a telegraph, therefore, it is necessary to the temperature rises to motor to be controlled, that is, detecting that motor temperature rise is up to most
When height allows temperature, control motor shuts down, and among these, is related to the detection to motor temperature rise, is based on accurate motor temperature
The detection risen, could be accurate to the control of motor.
In existing washing machine, voltage-to-current temperature checking method is mostly used to detect motor temperature rise, working principle
It is in simple terms exactly to go to calculate motor temperature rise by detecting the resistance value of machine winding, specifically, motor for washer drives clothing
Object load can all be turned to stop with certain than operation, in this way, sending definite value by motor driver during motor shuts down
Voltage, electric current go to calculate the resistance of winding, to calculate the temperature rise of motor indirectly, the temperature rise of calculating is sent to washes again by driving plate
Clothing machine controller, for washing machine controller according to temperature rise value when it will reach maximum permissible temperature, control driving plate stops electricity
The operating of machine.The advantages of this control method is simple easily realization, but the disadvantage is that, temperature rise detects when motor temperature rise is higher
Application condition it is big, be easy to cause the erroneous judgement of washing machine controller, such as when motor temperature rise does not reach maximum permissible temperature
It is mistaken for reaching, shut down to control motor, alternatively, erroneous judgement is gone back when motor temperature rise has reached maximum permissible temperature
Do not reach, so that temperature rise continues to increase, these can all lead to the reduction of washing of drum type washing machine performance.
Summary of the invention
This application provides a kind of motor for washer detection method for temperature rise, system and washing machines, and it is electromechanical to solve existing laundry
The technical problem of machine temperature rise detection inaccuracy.
In order to solve the above technical problems, the application is achieved using following technical scheme:
It is proposed a kind of motor for washer detection method for temperature rise, comprising: by the inclined of first motor temperature rise value and the second motor temperature rise value
Difference is divided into N number of fuzzy set；Motor for washer driving plate is detected to the weight of the motor temperature rise value of the motor for washer again
It surveys number and is divided into M fuzzy set；Using the deviation as Indistinct Input, using the number of resurveying as fuzzy output, based on system
Fixed fuzzy rule obtain it is described resurvey number so that the motor for washer driving plate is resurveyed number and is examined again according to described
Survey the motor temperature rise value of the motor for washer；It will resurvey the motor temperature rise value that number detects again according to described mean value taken to obtain
Exact motor temperature rise value；Wherein, the second motor temperature rise value is motor for washer driving plate feedback, the first motor temperature
Appreciate what the thermocouple to be installed in the motor for washer winding obtained.
Further, the fuzzy rule are as follows: the deviation is divided into the negative big, deviation of deviation in value range and bears
Small, deviation zero, deviation be just small and honest 5 fuzzy sets of deviation；It is described resurvey number according to number how much be divided into zero, it is just small and
Honest 3 fuzzy sets；The deviation is deviation when bearing big, it is described resurvey number take it is honest；The deviation is born small for deviation
When, it is described resurvey number take it is just small；When the deviation is deviation zero, the number of resurveying takes zero；The deviation is deviation
Positive hour, it is described resurvey number take it is just small；The deviation be deviation it is honest when, it is described resurvey number take it is honest.
Further, the deviation value range is -15 degree to 15 degree.
Further, it will resurvey the motor temperature rise value that number detects again according to described mean value taken to obtain exact motor temperature
After appreciation, the method also includes: the exact motor temperature rise value is sent to controller, so that the controller is based on
The exact motor temperature rise value controls the operating of the motor for washer.
It proposes a kind of motor for washer temperature rise detecting system, including motor for washer, motor for washer driving plate, is installed on
Thermocouple in the motor for washer winding further includes first motor temperature rise value acquiring unit, the acquisition of the second motor temperature rise value
Unit, fuzzy control unit and exact motor temperature rise value computing unit；The first motor temperature rise value acquiring unit, for receiving
The first motor temperature rise value that the thermocouple obtains；The second motor temperature rise value acquiring unit, for receiving the washing machine
Second motor temperature rise value of motor driving plate feedback；The fuzzy control unit, for first motor temperature rise value and second is electric
The deviation of machine temperature rise value is divided into N number of fuzzy set；Motor for washer driving plate is detected to the electricity of the motor for washer again
The number of resurveying of machine temperature rise value is divided into M fuzzy set；It is fuzzy with the number of resurveying using the deviation as Indistinct Input
Output, the fuzzy rule based on formulation obtain it is described resurvey number so that the motor for washer driving plate is according to described heavy
Survey the motor temperature rise value that number detects the motor for washer again；The accurate temperature rise value computing unit, being used for will be according to institute
It states and resurveys the motor temperature rise value that number detects again mean value is taken to obtain exact motor temperature rise value.
Further, the fuzzy control unit include Indistinct Input divide subelement, fuzzy output divide subelement and
Fuzzy control subelement；The Indistinct Input divides subelement, for the deviation to be divided into deviation in value range
Negative big, deviation bears that small, deviation zero, deviation are just small and honest 5 fuzzy sets of deviation；The fuzzy output divides subelement, is used for
It resurveys number by described and how much is divided into zero, just small and honest 3 fuzzy sets according to number；The fuzzy control subelement is used
In when the deviation is that deviation bears big, resurvey described in output number take it is honest；The deviation is deviation negative hour, output
It is described resurvey number take it is just small；When the deviation is deviation zero, number is resurveyed described in output and takes zero；The deviation is deviation
Positive hour, resurvey described in output number take it is just small；When the deviation is that deviation is honest, resurvey described in output number take it is honest.
Further, the deviation value range is -15 degree to 15 degree.
Further, the system also includes data transmission units；The data transmission unit is used for the accurate electricity
Machine temperature rise value is sent to controller, so that the controller, which is based on the exact motor temperature rise value, controls the motor for washer
Operating.
A kind of washing machine is proposed, using there is above-mentioned motor for washer temperature rise detecting system.
Compared with prior art, the advantages of the application and good effect is: the motor for washer temperature rise inspection that the application proposes
In survey method, system and washing machine, thermocouple is installed on motor for washer winding, for obtaining the electricity in motor operation course
Machine temperature rise is defined as the second motor temperature rise, meanwhile, the motor temperature rise that motor for washer driving plate is fed back is defined as first motor
Temperature rise；A fuzzy rule is defined, it, will using the deviation of first motor temperature rise value and the second motor temperature rise value as Indistinct Input
The motor temperature rise value of control motor for washer driving plate reacquisition motor for washer resurveys number as fuzzy output, passes through
Fuzzy control obtains the number that motor for washer driving plate detects the temperature rise value of laundry motor again, so that motor for washer drives
Plate resurveys number according to this and reacquires the temperature rise of motor for washer, and takes mean value to obtain finally answering the temperature rise of reacquisition
Motor temperature rise value, this makes even if the motor temperature rise error using the detection motor temperature rise value of voltage-to-current in the prior art
It is larger, it can be also modified by the fuzzy control method that this case proposes, the accuracy of obtained motor temperature rise is promoted,
The technical problem for solving existing motor for washer temperature rise detection inaccuracy, so that the erroneous judgement for also just reducing washing machine controller can
Can, improve the scourability of washing machine.
After the detailed description of the application embodiment is read in conjunction with the figure, other features and advantages of the application will become more
Add clear.
Detailed description of the invention
Fig. 1 is the method flow diagram for the motor for washer detection method for temperature rise that the application proposes；
Fig. 2 is the system block diagram for the motor for washer temperature rise detecting system that the application proposes.
Specific embodiment
The specific embodiment of the application is described in more detail with reference to the accompanying drawing.
The motor for washer detection method for temperature rise that the application proposes, as shown in Figure 1, including the following steps:
Step S11: the deviation of first motor temperature rise value and the second motor temperature rise value is divided into N number of fuzzy set.
First motor temperature rise value, what multiple thermocouples to be mounted in motor for washer winding on different location obtained,
It also is that the motor temperature of thermocouple acquisition subtracts the value of ambient temperature.
The second motor temperature rise value is obtained and is fed back for motor for washer driving plate, also as motor for washer driving plate
The motor temperature of feedback subtracts the value of ambient temperature.
In the application, a fuzzy rule is defined, first motor temperature rise value and the deviation e of the second motor temperature rise value are made
For Indistinct Input, namely as observed quantity, it is divided into N number of fuzzy set in value range.
Step S12: the number of resurveying that motor for washer driving plate detects the motor temperature rise value of motor for washer again is drawn
It is divided into M fuzzy set.
Number u is resurveyed as fuzzy output using what motor for washer driving plate detected motor temperature rise value again, is divided
For M fuzzy set.
More than, N and M are set according to practical situations, and the application not limits.
Step S13: using deviation as Indistinct Input, to resurvey number as fuzzy output, the fuzzy rule based on formulation is obtained
To resurveying number, so that motor for washer driving plate is according to the motor temperature rise value for resurveying number and detecting again motor for washer.
In the embodiment of the present application, Indistinct Input e is spent in the value range to 15 degree -15 and is divided into 5 fuzzy sets, point
Not Wei deviation bears big NB, deviation bears small NS, zero ZO of deviation, deviation just small PS and the honest PB of deviation, e, which is negative, indicates current laundry machine
Motor driving plate feeds back temperature rise and is higher than thermocouple detection temperature rise, and e, which is positive, indicates that the feedback temperature rise of current laundry machine motor driving plate is low
Temperature rise is detected in thermocouple.
Equally, fuzzy output u is divided into 3 fuzzy sets in value range [0,2], respectively zero ZO, just small PS and just
Big PB；U is the number that motor for washer driving plate detects temperature rise again, the value between 0 to 2.
The fuzzy rule of formulation are as follows: deviation e is deviation when bearing big, resurvey number u take it is honest；Deviation e is negative for deviation
Hour, resurvey number u take it is just small；When deviation e is deviation zero, resurveys number u and take zero；Deviation e is deviation positive hour, is resurveyed
Number u takes just small；Deviation e be deviation it is honest when, resurvey number u take it is honest.
Step S14: mean value will be taken to obtain exact motor temperature rise value according to resurveying the motor temperature rise value that number detects again.
Step S15: being sent to controller for exact motor temperature rise value, so that controller is based on the control of exact motor temperature rise value
The operating of motor for washer processed.
Based on the fuzzy rule, when deviation e is larger, it is relatively high to resurvey number u, when deviation e is smaller, resurveys time
Number u are relatively low, and if deviation e is zero, without resurveying motor for washer temperature rise.
Basis, which is resurveyed the motor for washer temperature rise value that number detects again, takes mean value to obtain final temperature rise to be used
Value, can cross fuzzy control method and be modified to motor temperature rise value, to make up motor for washer driving plate feedback temperature rise error
Larger problem obtains the high motor temperature rise of accuracy, solves the technical problem of existing motor for washer temperature rise detection inaccuracy, from
And the erroneous judgement for also just reducing washing machine controller is possible, improves the scourability of washing machine.
Based on motor for washer detection method for temperature rise set forth above, the application also proposes a kind of motor for washer temperature rise inspection
Examining system, as shown in Fig. 2, the system include motor for washer 21, motor for washer driving plate 22, be installed on motor for washer around
Thermocouple 23, first motor temperature rise value acquiring unit 24, the second motor temperature rise value acquiring unit 25, fuzzy control unit in group
26 and exact motor temperature rise value computing unit 27.
First motor temperature rise value acquiring unit 24 is used to receive the first motor temperature rise value of the acquisition of thermocouple 23；Second electricity
Machine temperature rise value acquiring unit 25 is used to receive the second motor temperature rise value of the feedback of motor for washer driving plate 22；Fuzzy control unit
26 for being divided into N number of fuzzy set for the deviation of first motor temperature rise value and the second motor temperature rise value；Motor for washer is driven
The number of resurveying that movable plate detects the motor temperature rise value of motor for washer again is divided into M fuzzy set；It is defeated to obscure with deviation
Enter, to resurvey number as fuzzy output, formulates fuzzy rule；It obtains resurveying number based on fuzzy rule, so that laundry is electromechanical
Machine driving plate detects the motor temperature rise value of motor for washer according to number is resurveyed again；Exact motor temperature rise value computing unit 27 is used
In mean value being taken to obtain exact motor temperature rise value according to resurveying the motor temperature rise value that number detects again.
Specifically, fuzzy control unit 26 includes that Indistinct Input divides subelement 261, fuzzy output divides subelement 262
With fuzzy control subelement 263；Indistinct Input divides subelement 261 and bears for deviation to be divided into deviation in value range
Greatly, deviation bears that small, deviation zero, deviation are just small and honest 5 fuzzy sets of deviation；Fuzzy output divides subelement 262 for that will weigh
It surveys number and how much is divided into zero, just small and honest 3 fuzzy sets according to number；Fuzzy control subelement 263 is used in deviation
When bearing big for deviation, output resurvey number take it is honest；Deviation be deviation negative hour, output resurvey number take it is just small；Deviation
When for deviation zero, output resurveys number and takes zero；Deviation be deviation positive hour, output resurvey number take it is just small；Deviation is inclined
Difference it is honest when, output resurvey number take it is honest.
The motor for washer temperature rise detecting system further includes data transmission unit 28, for sending exact motor temperature rise value
To controller 29, so that operating of the controller 29 based on exact motor temperature rise value control motor for washer.
The working method of specific motor for washer temperature rise detecting system is in motor for washer temperature rise set forth above
It is described in detail in detection method, it will not go into details herein.
A kind of washing machine is also proposed based on above-mentioned the application, using there is above-mentioned motor for washer temperature rise detecting system.It is logical
Cross the fuzzy rule of definition, the motor of the motor temperature rise that motor for washer thermocouple is obtained and motor for washer driving plate feedback
The difference of temperature rise resurveys number as mould as Indistinct Input, using control that motor for washer driving plate detects motor temperature rise again
Paste output is modified motor temperature rise by the fuzzy control method that this case proposes, obtains when motor temperature rise error is larger
The high motor temperature rise of accuracy solves the technical problem of existing motor for washer temperature rise detection inaccuracy, to reduce laundry
The erroneous judgement of machine controller is possible, improves the scourability of washing machine.
It should be noted that the above description is not a limitation of the present invention, the present invention is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made within the essential scope of the present invention, are also answered
It belongs to the scope of protection of the present invention.
Claims (9)
1. motor for washer detection method for temperature rise characterized by comprising
The deviation of first motor temperature rise value and the second motor temperature rise value is divided into N number of fuzzy set；
The number of resurveying that motor for washer driving plate detects the motor temperature rise value of the motor for washer again is divided into M mould
Paste collection；
Using the deviation as Indistinct Input, using the number of resurveying as fuzzy output, the fuzzy rule based on formulation obtains institute
It states and resurveys number, so that the motor for washer driving plate detects the motor for washer according to the number of resurveying again
Motor temperature rise value；
It will resurvey the motor temperature rise value that number detects again according to described mean value taken to obtain exact motor temperature rise value；
Wherein, the second motor temperature rise value is motor for washer driving plate feedback, and the first motor temperature rise value is installation
It is obtained in the thermocouple in the motor for washer winding.
2. motor for washer detection method for temperature rise according to claim 1, which is characterized in that the fuzzy rule are as follows:
The deviation is divided into that deviation is negative big, deviation bears that small, deviation zero, deviation be just small and deviation honest 5 in value range
A fuzzy set；It is described to resurvey number and how much be divided into zero, just small and honest 3 fuzzy sets according to number；
The deviation is deviation when bearing big, it is described resurvey number take it is honest；The deviation is deviation negative hour, described to resurvey
Number takes just small；When the deviation is deviation zero, the number of resurveying takes zero；The deviation is deviation positive hour, described
Resurvey number take it is just small；The deviation be deviation it is honest when, it is described resurvey number take it is honest.
3. motor for washer detection method for temperature rise according to claim 2, which is characterized in that the deviation value range
It is -15 degree to 15 degree.
4. motor for washer detection method for temperature rise according to claim 1, which is characterized in that will resurveyed time according to described
After the motor temperature rise value that number detects again takes mean value to obtain exact motor temperature rise value, the method also includes:
The exact motor temperature rise value is sent to controller, so that the controller is based on the exact motor temperature rise value control
Make the operating of the motor for washer.
5. motor for washer temperature rise detecting system, including motor for washer, motor for washer driving plate, it is installed on the washing machine
Thermocouple in machine winding, which is characterized in that further include first motor temperature rise value acquiring unit, the acquisition of the second motor temperature rise value
Unit, fuzzy control unit and exact motor temperature rise value computing unit；
The first motor temperature rise value acquiring unit, the first motor temperature rise value obtained for receiving the thermocouple；
The second motor temperature rise value acquiring unit, for receiving the second motor temperature rise of the motor for washer driving plate feedback
Value；
The fuzzy control unit, for the deviation of first motor temperature rise value and the second motor temperature rise value to be divided into N number of mould
Paste collection；The number of resurveying that motor for washer driving plate detects the motor temperature rise value of the motor for washer again is divided into M
Fuzzy set；Using the deviation as Indistinct Input, using the number of resurveying as fuzzy output, the fuzzy rule based on formulation is obtained
It is described to resurvey number, so that the motor for washer driving plate detects the motor for washer according to the number of resurveying again
Motor temperature rise value；
The exact motor temperature rise value computing unit, for will resurvey the motor temperature rise value that number detects again according to described and take
Value obtains exact motor temperature rise value.
6. motor for washer temperature rise detecting system according to claim 5, which is characterized in that the fuzzy control unit packet
It includes Indistinct Input and divides subelement, fuzzy output division subelement and fuzzy control subelement；
The Indistinct Input divides subelement, bears for the deviation to be divided into the negative big, deviation of deviation in value range
Small, deviation zero, deviation be just small and honest 5 fuzzy sets of deviation；
The fuzzy output divides subelement, for by it is described resurvey number according to number how much be divided into zero, it is just small and honest 3
A fuzzy set；
The fuzzy control subelement, for when the deviation is that deviation bears big, resurvey described in output number take it is honest；Institute
Stating deviation is deviation negative hour, resurvey described in output number take it is just small；When the deviation is deviation zero, resurveyed described in output
Number takes zero；The deviation is deviation positive hour, resurvey described in output number take it is just small；The deviation is that deviation is honest
When, resurvey described in output number take it is honest.
7. motor for washer temperature rise detecting system according to claim 6, which is characterized in that the deviation value range
It is -15 degree to 15 degree.
8. motor for washer temperature rise detecting system according to claim 5, which is characterized in that the system also includes data
Transmission unit；
The data transmission unit, for the exact motor temperature rise value to be sent to controller, so that the controller base
The operating of the motor for washer is controlled in the exact motor temperature rise value.
9. washing machine, which is characterized in that including the described in any item motor for washer temperature rise detecting systems of such as claim 5-8.
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| CN201710962772.7A CN109668645B (en) | 2017-10-16 | 2017-10-16 | Washing machine motor temperature rise detection method and system and washing machine |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1930486A (en) * | 2004-03-12 | 2007-03-14 | 日本电气株式会社 | Positioning system |
| CN101464096A (en) * | 2008-12-11 | 2009-06-24 | 江苏金源锻造股份有限公司 | Multi-point sensing and intelligent control method for temperature of gas heating stove |
| CN101769800A (en) * | 2010-02-04 | 2010-07-07 | 北京印刷学院 | High-precision temperature checking method and instrument based on ARM |
| CN103793670A (en) * | 2013-11-22 | 2014-05-14 | 清华大学 | Method and system for estimating number of radio frequency tags |
| CN104950681A (en) * | 2015-06-25 | 2015-09-30 | 安徽工业大学 | Fuzzy predictive control system for combustion process of lime kiln as well as control method of system |
| US20160201245A1 (en) * | 2015-01-13 | 2016-07-14 | General Electric Company | Induction motor temperature measurement using phase controlled alternating current |
| CN106642067A (en) * | 2016-12-15 | 2017-05-10 | 神华集团有限责任公司 | Liquid level control system and method of boiler |
-
2017
- 2017-10-16 CN CN201710962772.7A patent/CN109668645B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1930486A (en) * | 2004-03-12 | 2007-03-14 | 日本电气株式会社 | Positioning system |
| CN101464096A (en) * | 2008-12-11 | 2009-06-24 | 江苏金源锻造股份有限公司 | Multi-point sensing and intelligent control method for temperature of gas heating stove |
| CN101769800A (en) * | 2010-02-04 | 2010-07-07 | 北京印刷学院 | High-precision temperature checking method and instrument based on ARM |
| CN103793670A (en) * | 2013-11-22 | 2014-05-14 | 清华大学 | Method and system for estimating number of radio frequency tags |
| US20160201245A1 (en) * | 2015-01-13 | 2016-07-14 | General Electric Company | Induction motor temperature measurement using phase controlled alternating current |
| CN104950681A (en) * | 2015-06-25 | 2015-09-30 | 安徽工业大学 | Fuzzy predictive control system for combustion process of lime kiln as well as control method of system |
| CN106642067A (en) * | 2016-12-15 | 2017-05-10 | 神华集团有限责任公司 | Liquid level control system and method of boiler |
Non-Patent Citations (2)
| Title |
|---|
| 王丽娟: "模糊控制技术在电热锅炉温度控制系统中的应用研究", 《中国优秀硕士学位论文全文数据库（工程科技Ⅱ辑）》 * |
| 阮庆洲等: "基于模糊控制技术的低压电器温升试验装置自动稳流模型", 《电器与能效管理技术》 * |
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