CN109341020A - A kind of intelligent temperature control adjusting method based on big data - Google Patents

A kind of intelligent temperature control adjusting method based on big data Download PDF

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Publication number
CN109341020A
CN109341020A CN201811133457.4A CN201811133457A CN109341020A CN 109341020 A CN109341020 A CN 109341020A CN 201811133457 A CN201811133457 A CN 201811133457A CN 109341020 A CN109341020 A CN 109341020A
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China
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feature
temperature
statistics
air
history setting
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CN201811133457.4A
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Inventor
舒海东
李智星
雷大江
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Shu Haidong
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Chongqing Zhiwanjia Technology Co Ltd
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Priority to CN201811133457.4A priority Critical patent/CN109341020A/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
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • 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
    • 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
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • F24F2110/12Temperature of the outside air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/50Air quality properties
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2130/00Control inputs relating to environmental factors not covered by group F24F2110/00
    • F24F2130/10Weather information or forecasts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00Control inputs relating to system states
    • F24F2140/60Energy consumption
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The present invention provides a kind of intelligent temperature control adjusting method based on big data, including data prediction, Feature Engineering building operation, establish multiple machine learning models, the present invention collects user data using the information exchange of smart home, and analyze user data, to realize ventilation, adjust user's comfort temperature, guarantee indoor air quality and reach target for energy-saving and emission-reduction, the social value of energy-saving and emission-reduction can be realized significantly.

Description

A kind of intelligent temperature control adjusting method based on big data
Technical field
The present invention relates to big data analysis applied technical fields, are related in e-commerce, raw more particularly, to smart home In work, meet a kind of intelligent temperature control adjusting side based on big data that consumer accurately adjusts indoor temperature and humidity and air cleanliness Method.
Background technique
Smart home concept originates from the U.S. of early 1980s, and referred to as Smart Home experienced for 4 generations Development: the first generation is to complete home intranet by coaxial line and two core wires, and then realize light, curtain and a small amount of security protection control Deng;The second generation is can to complete the business of video intercom and security protection by bus and IP technology networking;The third generation is centralization Intelligence control system is completed the function of security protection, metering etc. by middle control machine;Forth generation be then based on technology of Internet of things can according to Family demand realizes personalized function, and compared with common household, smart home not only has traditional inhabitation function, while can Information exchange function is provided, the final goal of smart home is to make domestic environment more comfortable, safer, more environmentally friendly, more convenient.
The appearance of Internet of Things is so that present smart home system function is more abundant, more diversified and personalized System function is concentrated mainly on intelligent lighting controls, intelligent appliance control, Video chat and intelligent security guard etc., currently based on big data Intelligent temperature control adjust, i.e., how using the information exchange of smart home to collect user data, and user data analyzed, thus real Existing ventilation adjusts user's comfort temperature, guarantees indoor air quality and reach target for energy-saving and emission-reduction then to be current intelligence The technical problem that household faces.
Summary of the invention
Aiming at the problem that above-mentioned background technique is illustrated, it is an object of the present invention to provide a kind of intelligent temperature controls based on big data Adjusting method.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of intelligent temperature control adjusting method based on big data, includes the following steps:
Humidity, indoor air quality, outdoor temp is arranged according to date, history setting temperature, history in Q1, data prediction Degree, air conditioning energy consumption carry out data preprocessing operation, data that treated and supply the numerical value lacked, using standardization, normalizing Change processing;
Q2, division operation is carried out according to time of the act, by the time according to delimiting four seasons;
Q3, humidity, indoor air quality, outdoor temperature, air conditioning energy consumption are arranged according to date, history setting temperature, history Data carry out Feature Engineering building operation, establish basic count feature, aggregation features, sequencing feature;
Q4, feature importance ranking is carried out special according to the feature distribution of feature obtained by Feature Engineering according to Feature Engineering Whole operation is requisitioned, the non-uniform feature of feature distribution is standardized, normalized, standardization is according to eigenmatrix The column vector column in the eigenmatrix being unevenly distributed are converted " unit vector " by column processing feature vector;
Q5, multiple machine learning models are established, and carry out mixing operation, select one using linear based on multiple single models plus Weigh the method for fusion or the method for the Stacking Model Fusion based on multiple single models;
Q6, by the way that model has been established, according to the date, history setting temperature, history be arranged humidity, indoor air quality, room Tri- outer temperature, air conditioning energy consumption data application SVM, LightGBM, XGBoost models, and carry out stacking Model Fusion with And linear fusion, data are trained to obtain predicted temperature, air-conditioner temperature is adjusted according to predicted temperature, data is trained Predicted temperature is obtained, air-conditioner temperature is adjusted according to predicted temperature.
The present invention is mainly by being arranged temperature, history setting humidity, indoor air quality, outdoor temp to date, history The data such as degree, air conditioning energy consumption are pre-processed and are analyzed extraction feature, establish multiple machine learning models, to effectively adjust empty Temperature regulating allows users to the temperature for experiencing the most comfortable;On the other hand energy consumption can also be effectively reduced, save electric energy.
In above-mentioned technical proposal, the delimiting four seasons are according to astronomical the standard of marking off the four seasons.
In above-mentioned technical proposal, in the Q3, the basis count feature refers to the number statistics of monthly outdoor temperature, the moon The number statistics of degree history setting temperature, the number statistics of season outdoor temperature, is gone through in season the number statistics of monthly air-conditioning work number The number statistics of temperature is arranged in history;The aggregation features refer to the statistics such as mean variance of monthly outdoor temperature feature, monthly The statistics feature such as mean variance of temperature, the statistics feature, season room such as mean variance of monthly air-conditioning work number is arranged in history The statistics such as mean variance of outer temperature feature, the mean variance statistics feature of season history setting temperature, season air-conditioning function The mean variance statistics feature of consumption, the monthly least square correlation of outdoor temperature and history setting temperature, outdoor temperature with History be arranged temperature season least square correlation, history setting temperature and air-conditioning power consumption least square correlation;It is described Sequencing feature refers to history setting temperature and air-conditioning power consumption in the different different trend features, no of possessing in monthly and different season The same period needs be ranked up different features, assign different weights.
In above-mentioned technical proposal, the linear weighted function fusion method based on multiple single models is as follows:
Assign tri- single model result x of SVM, LightGBM, XGBoost1、x2、x3Corresponding weight w1、w2、w3, Linear Quasi Verifying collection true tag is closed, formula is as follows:
Y=x1*w1+x2*w2+x3*w3
In above-mentioned technical proposal, the method for the Stacking Model Fusion based on multiple single models is as follows:
First layer carries out three folding cross validations to model using SVM, LightGBM, XGBoost, obtains different engineerings Model is practised, Y is verifying collection true tag, x1、x2、x3Three folding cross validations are carried out to model for SVM, LightGBM, XGBoost Prediction result.Linear regression fit verifying collection true tag, acquires the parameter w of each model1、w2、w3
Y=x1*w1+x2*w2+x3*w3
The second layer is x using SVM, LightGBM, XGBoost prediction result for test set1、x2、x3, predicted knot Fruit obtains weight w multiplied by first layer respectively1、w2、w3, obtain final prediction result P.
P=X1*w1+X2*w2+X3*w3
The present invention collects user data using the information exchange of smart home, and analyzes user data, to realize ventilation Ventilation adjusts user's comfort temperature, guarantees indoor air quality and reach target for energy-saving and emission-reduction, can realize that significantly energy conservation subtracts The social value of row.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution of the present invention is clearly and completely described, it is clear that institute The embodiment of description is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair The range of bright protection.
The present invention is illustrated a kind of intelligent temperature control adjusting method based on big data, is included the following steps: with embodiment
A kind of intelligent temperature control adjusting method based on big data, includes the following steps:
Humidity, indoor air quality, outdoor temp is arranged according to date, history setting temperature, history in Q1, data prediction Degree, air conditioning energy consumption carry out data preprocessing operation, data that treated and supply the numerical value lacked, using standardization, normalizing Change processing;
Wherein essential information data include User ID, room ID, date, history setting temperature, history setting humidity, interior Air quality, outdoor temperature, air conditioning energy consumption, season, if 2 intelligent temperature control of table is adjusted shown in data information data table, table 2 is intelligence Temperature control adjusts data field and explains table:
1 intelligent temperature control of table adjusts data field and explains table
2 intelligent temperature control of table adjusts data information data table
Essential information data are adjusted to intelligent temperature control and supply the numerical value lacked, using standardization, normalized.To missing Time filling are as follows:
The data of missing are carried out filling out 0, the exceptional value excessively high to floor is deleted, and humidity is normalized;
Q2, division operation is carried out according to time of the act, by the time according to delimiting four seasons;
Data are grouped according to season, and every group of time presses sequence from small to large:
time1≤time2≤time3≤…≤timen
Q3, humidity, indoor air quality, outdoor temperature, air conditioning energy consumption are arranged according to date, history setting temperature, history Data carry out Feature Engineering building operation, establish basic count feature, aggregation features, sequencing feature;
Before extracting feature, training set data A is divided, 80% is used as training set T, and 20% as verifying collection V, i.e., full Sufficient condition,Using verifying collection assessment models error after training model with training set, as right The estimation of extensive error.Collection, and the data test collection for finally needing to predict are verified to the training set of division, extracted respectively special Sign, count feature, aggregation features, sequencing feature.
Count feature: pressing user id, and season grouping carries out the total degree, most of statistics appearance to user using the number of air-conditioning Big value, minimum value, variance, median;
Aggregation features: pressing user id, and season grouping carries out the temperature of statistics setting to user using air-conditioning setting temperature/humidity Degree/humidity average value, standard deviation, maximum value, median;Statistical average is carried out by air conditioning energy consumption of the id grouping in room to room Value, standard deviation, maximum value, median;
Sequencing feature: the maximum value and minimum value count to aggregation features is ranked up.
Q4, feature importance ranking is carried out special according to the feature distribution of feature obtained by Feature Engineering according to Feature Engineering Whole operation is requisitioned, the non-uniform feature of feature distribution is standardized, normalized, standardization is according to eigenmatrix The column vector column in the eigenmatrix being unevenly distributed are converted " unit vector " by column processing feature vector;
Q5, multiple machine learning models are established, and carry out mixing operation, select one using linear based on multiple single models plus Weigh the method for fusion or the method for the Stacking Model Fusion based on multiple single models;
Q6, by the way that model has been established, according to the date, history setting temperature, history be arranged humidity, indoor air quality, room Tri- outer temperature, air conditioning energy consumption data application SVM, LightGBM, XGBoost models, and carry out stacking Model Fusion with And linear fusion, data are trained to obtain predicted temperature, air-conditioner temperature is adjusted according to predicted temperature.
The present invention is mainly by being arranged temperature, history setting humidity, indoor air quality, outdoor temp to date, history The data such as degree, air conditioning energy consumption are pre-processed and are analyzed extraction feature, establish multiple machine learning models, to effectively adjust empty Temperature regulating allows users to the temperature for experiencing the most comfortable;On the other hand energy consumption can also be effectively reduced, save electric energy.
In above-mentioned technical proposal, the delimiting four seasons are according to astronomical the standard of marking off the four seasons.
In above-mentioned technical proposal, in the Q3, the basis count feature refers to the number statistics of monthly outdoor temperature, the moon The number statistics of degree history setting temperature, the number statistics of season outdoor temperature, is gone through in season the number statistics of monthly air-conditioning work number The number statistics of temperature is arranged in history;The aggregation features refer to the statistics such as mean variance of monthly outdoor temperature feature, monthly The statistics feature such as mean variance of temperature, the statistics feature, season room such as mean variance of monthly air-conditioning work number is arranged in history The statistics such as mean variance of outer temperature feature, the mean variance statistics feature of season history setting temperature, season air-conditioning function The mean variance statistics feature of consumption, the monthly least square correlation of outdoor temperature and history setting temperature, outdoor temperature with History be arranged temperature season least square correlation, history setting temperature and air-conditioning power consumption least square correlation;It is described Sequencing feature refers to history setting temperature and air-conditioning power consumption in the different different trend features, no of possessing in monthly and different season The same period needs be ranked up different features, assign different weights.
In above-mentioned technical proposal, the linear weighted function fusion method based on multiple single models is as follows:
Assign tri- single model result x of SVM, LightGBM, XGBoost1、x2、x3Corresponding weight w1、w2、w3, Linear Quasi Verifying collection true tag is closed, formula is as follows:
Y=x1*w1+x2*w2+x3*w3
Weight is as follows:
Finally take weight ratio optimal result:
Model Weights omegai
SVM 0.05
XGBoost 0.7
LightGBM 0.25
In above-mentioned technical proposal, the method for the Stacking Model Fusion based on multiple single models is as follows:
First layer carries out three folding cross validations to model using SVM, LightGBM, XGBoost, obtains different engineerings Model is practised, Y is verifying collection true tag, x1、x2、x3Three folding cross validations are carried out to model for SVM, LightGBM, XGBoost Prediction result.Linear regression fit verifying collection true tag, acquires the parameter w of each model1、w2、w3
Y=x1*w1+x2*w2+x3*w3
The second layer is X using SVM, LightGBM, XGBoost prediction result for test set1、X2、X3, predicted knot Fruit obtains weight w multiplied by first layer respectively1、w2、w3, obtain final prediction result P.
P=X1*w1+X2*w2+X3*w3
Prediction result P is smart lock with the presence or absence of abnormal probability, when probability P >=0.5 when, we judge that temperature control exists It is abnormal;When probability P < 0.5, we judge temperature control, and there is no abnormal.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (5)

1. a kind of intelligent temperature control adjusting method based on big data, characterized by the following steps: Q1, data prediction, It carries out data according to date, history setting temperature, history setting humidity, indoor air quality, outdoor temperature, air conditioning energy consumption and locates in advance Reason operation, data that treated and supplies the numerical value lacked, using standardization, normalized;
Q2, division operation is carried out according to time of the act, by the time according to delimiting four seasons;
Q3, humidity, indoor air quality, outdoor temperature, air conditioning energy consumption data are arranged according to date, history setting temperature, history Feature Engineering building operation is carried out, basic count feature, aggregation features, sequencing feature are established;
Q4, feature tune is carried out according to the feature distribution of feature obtained by Feature Engineering to feature importance ranking according to Feature Engineering Whole operation is standardized the non-uniform feature of feature distribution, normalized, and standardization is at the column according to eigenmatrix Feature vector is managed, converts " unit vector " for the column vector column in the eigenmatrix being unevenly distributed;
Q5, multiple machine learning models are established, and carries out mixing operation, selected one and melted using the linear weighted function based on multiple single models The method of the method for conjunction or the Stacking Model Fusion based on multiple single models;
Q6, by the way that model has been established, according to the date, history setting temperature, history be arranged humidity, indoor air quality, outdoor temp Tri- degree, air conditioning energy consumption data application SVM, LightGBM, XGBoost models, and carry out stacking Model Fusion and line Property fusion, data are trained to obtain predicted temperature, according to predicted temperature adjust air-conditioner temperature data are trained to obtain Predicted temperature adjusts air-conditioner temperature according to predicted temperature.
2. a kind of intelligent temperature control adjusting method based on big data according to claim 1, it is characterised in that: the four seasons It divides according to astronomical the standard of marking off the four seasons.
3. a kind of intelligent temperature control adjusting method based on big data according to claim 1, it is characterised in that: the Q3 In, the basis count feature refers to the number statistics of monthly outdoor temperature, the number of monthly history setting temperature counts, is monthly Number statistics, the number statistics of season outdoor temperature, the number statistics of season history setting temperature of air-conditioning work number;The polymerization Feature refers to the statistics such as the mean variance of the statistics such as mean variance of monthly outdoor temperature feature, monthly history setting temperature The statistics features, season such as the mean variance of feature, the statistics feature such as mean variance of monthly air-conditioning work number, season outdoor temperature Spend mean variance statistics feature, mean variance statistics feature, the outdoor temperature of season air-conditioning power consumption of history setting temperature The season least square correlation of temperature is set with monthly least square correlation, outdoor temperature and the history of history setting temperature Property, history setting temperature and air-conditioning power consumption least square correlation;The sequencing feature refers to history setting temperature and air-conditioning Power consumption possesses different trend features, different period needs monthly and different season to different feature progress in different It sorts, assign different weights.
4. a kind of intelligent temperature control adjusting method based on big data according to claim 1, it is characterised in that: described to be based on The linear weighted function fusion method of multiple single models is as follows:
Assign tri- single model result x of SVM, LightGBM, XGBoost1、x2、x3Corresponding weight w1、w2、w3, linear fit tests Card collection true tag, formula are as follows:
Y=x1*w1+x2*w2+x3*w3
5. a kind of intelligent temperature control adjusting method based on big data according to claim 1, it is characterised in that: described to be based on The method of the Stacking Model Fusion of multiple single models is as follows:
First layer carries out three folding cross validations to model using SVM, LightGBM, XGBoost, obtains different machine learning moulds Type, Y are verifying collection true tag, x1、x2、x3The prediction of three folding cross validations is carried out to model for SVM, LightGBM, XGBoost As a result.Linear regression fit verifying collection true tag, acquires the parameter w of each model1、w2、w3
Y=x1*w1+x2*w2+x3*w3
The second layer is x using SVM, LightGBM, XGBoost prediction result for test set1、x2、x3, by its prediction result point Weight w is not obtained multiplied by first layer1、w2、w3, obtain final prediction result P.
P=X1*w1+X2*w2+X3*w3
CN201811133457.4A 2018-09-27 2018-09-27 A kind of intelligent temperature control adjusting method based on big data Pending CN109341020A (en)

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CN112668318A (en) * 2021-03-15 2021-04-16 常州微亿智造科技有限公司 Work author identification method based on time sequence
CN117606109A (en) * 2024-01-22 2024-02-27 南京群顶科技股份有限公司 Method and system for judging optimal temperature of air conditioner in machine room
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