CN106406106B - Household electric appliance control method and control system based on indoor positioning - Google Patents
Household electric appliance control method and control system based on indoor positioning Download PDFInfo
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- CN106406106B CN106406106B CN201510460758.8A CN201510460758A CN106406106B CN 106406106 B CN106406106 B CN 106406106B CN 201510460758 A CN201510460758 A CN 201510460758A CN 106406106 B CN106406106 B CN 106406106B
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The present invention provides a kind of household electric appliance control method and control system based on indoor positioning.Wherein the household electric appliance control method based on indoor positioning includes: the signal characteristic for obtaining and being uploaded by the mobile terminal that user carries, signal characteristic is obtained according to the broadcast singal extraction of multiple fixed bluetooth modules in localization region that the mobile bluetooth module of mobile terminal receives, and multiple fixed bluetooth modules are respectively arranged in household appliances multiple in localization region；Signal characteristic is matched with the received signals fingerprint library of preset localization region, to determine the position of user, the corresponding signal characteristic of different location in localization region is stored in received signals fingerprint library；Corresponding control instruction is sent respectively to multiple household appliances according to the position of user, to adjust the respective working condition of multiple household appliances.Using the solution of the present invention, indoor precise positioning is realized using the Bluetooth technology of low-power consumption, realizes the long-distance intelligent control of household appliance.
Description
Technical field
The present invention relates to intelligent appliances, are more particularly to a kind of household electric appliance control method based on indoor positioning and control
System.
Background technique
The following household electrical appliances development will turn to trend with intelligence, realize " human-computer dialogue, intelligent control, automatic running ", it will be
The daily life of user brings enormous impact.
In order to realize intelligent operation, occur carrying out human body inspection using infrared sensor or camera in the prior art
It surveys, the scheme of the operating status of adjustment household electrical appliances is determined according to the position of user.The position of human body detection technique of the prior art needs
Want user to enter the sensing ranges such as infrared sensor or camera, be on the one hand easy to appear detection dead angle, on the other hand by
The influence of detection accuracy and detection algorithm, detection order of accuarcy is poor, is easy to appear accidentally control, leads to not meet user's
Requirement.
Summary of the invention
It is an object of the present invention to provide a kind of household electric appliance control method and control system based on indoor positioning, so that
Segmental defect of the existing technology is solved less.
Another further object of the invention is to improve the intelligence degree of home wiring control.
A further object of the invention is the accuracy of indoor positioning to be improved.
On the one hand, the present invention provides a kind of household electric appliance control methods based on indoor positioning.The family based on indoor positioning
Electric control method includes: the signal characteristic for obtaining and being uploaded by the mobile terminal that user carries, and signal characteristic is according to mobile terminal
Mobile bluetooth module receive in localization region multiple fixed bluetooth modules broadcast singal extraction obtain, and
Multiple fixed bluetooth modules are respectively arranged in household appliances multiple in localization region；By signal characteristic and preset localization region
Received signals fingerprint library matched, to determine the position of user, different location in localization region is stored in received signals fingerprint library
Corresponding signal characteristic；Corresponding control instruction is sent respectively to multiple household appliances according to the position of user, it is more to adjust
A respective working condition of household appliance.
Optionally, each fixed bluetooth module configuration has unique identification code, and signal characteristic includes: each fixed bluetooth
The identification code of module and its signal strength of broadcast singal.
Optionally, the step of signal characteristic being matched with the received signals fingerprint library of preset localization region includes: from letter
Number fingerprint base is determined and the immediate multiple location points of signal characteristic；Coordinate mean value calculation is carried out to position point, to obtain
The coordinate of the position of user.
Optionally, after the coordinate for the position for obtaining user further include: return to user's to mobile terminal
The coordinate of position, so that mobile terminal shows that the institute of user is in place according to coordinate on the electronic map of localization region
It sets.
Optionally, after returning to the coordinate of position of user to mobile terminal further include: receive mobile terminal
Be updated to the amendment feedback of the position of user, and according to amendment feedback on signal fingerprint base, amendment feedback according to
User generates the selection operation of the position of the electronic map.
Optionally, before the step of obtaining the signal characteristic uploaded with the mobile mobile terminal of user, further includes: obtain
The GPS coordinates for taking mobile terminal to upload, and determine that the position of localization region is believed according to GPS coordinates
Breath, location information includes the geographical coordinate of localization region and the mark of localization region.
Optionally, it includes following any one or more for adjusting the respective working condition of multiple household appliances: adjustment air-conditioning
Switch, wind-force and wind direction；Adjust the switch and volume of audio-visual equipment；Adjust switch and the brightness of light；And adjustment
The switch and water temperature of water heater.
Another aspect of the present invention additionally provides a kind of appliance control system based on indoor positioning, comprising: Duo Gegu
Determine bluetooth module, be arranged in localization region in multiple household appliances, is configured to continue to send broadcast singal: be carried by user
Mobile terminal, configured with mobile bluetooth module, and be configured to receive broadcast singal according to the mobile bluetooth module of terminal and mention
Obtain out signal characteristic；And Cloud Server, it is connected to the network respectively with mobile terminal and multiple household appliances, and be configured to:
Signal characteristic is obtained, and signal characteristic is matched with the received signals fingerprint library of preset localization region, to determine user's
Position is stored with the corresponding signal characteristic of different location in localization region in received signals fingerprint library；According to the position of user to more
A household appliance sends corresponding control instruction respectively, to adjust the respective working condition of multiple household appliances.
Optionally, each fixed bluetooth module configuration has unique identification code, and signal characteristic includes: each fixed bluetooth
The signal strength of module id code and its broadcast singal.
Optionally, Cloud Server is configured to: being determined and the immediate multiple positions of signal characteristic from received signals fingerprint library
Point carries out coordinate mean value calculation to position point, to obtain the coordinate of the position of user, returns and uses to mobile terminal
The coordinate of the position of person；And mobile terminal is configured to: being shown on the electronic map of localization region according to coordinate makes
The position of user generates amendment feedback according to selection operation of the user to the position of electronic map, on Cloud Server
Amendment feedback is passed, so that Cloud Server is updated according to amendment feedback on signal fingerprint base.
Optionally, mobile terminal is additionally provided with GPS module, and is configured to upload global positioning system seat to Cloud Server
Mark；Cloud Server is configured to: determining that the location information of localization region, location information include fixed according to GPS coordinates
The position geographical coordinate in region and the mark of localization region.
Household electric appliance control method and appliance control system based on indoor positioning of the invention, utilizes the Bluetooth technology of low-power consumption
It realizes indoor precise positioning, in conjunction with the long-range control of intelligent appliance, guarantees that the household electrical appliances in localization region can be according to user
Exact position carry out family's electricity condition adjust automatically, meet the requirement of user, improve the intelligence of household appliance
Change degree and service efficiency.Bluetooth module can integrate in household appliance, as the stationary nodes of broadcast transmission positioning signal,
The obstacle encountered using Bluetooth signal to the interior space and when propagating has the characteristics that dependence, has pre-generated received signals fingerprint library
The corresponding relationship of localization region each position and signal characteristic is saved, to realize position enquiring using the received signals fingerprint library, is reduced
Electromagnetic interference, reflection, the influence of multipath effect etc., positioning accuracy are high.
Further, the household electric appliance control method and appliance control system of the invention based on indoor positioning, will accurately determine
Position position coordinates feed back to the mobile terminal of user, to understand its position using electronic map using user, are
It further provides for the business such as indoor positioning and information push and provides data basis.
Further, the household electric appliance control method and appliance control system of the invention based on indoor positioning, can be with root
According to the position feedback information of user, received signals fingerprint library is updated, positioning accuracy is optimized.And it can be in conjunction with (the whole world GPS
Positioning system) realize indoor and outdoor location technology combination.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic diagram of the appliance control system according to an embodiment of the invention based on indoor positioning；
Fig. 2 is the schematic diagram of the household electric appliance control method according to an embodiment of the invention based on indoor positioning；
Fig. 3 is one of received signals fingerprint library in the household electric appliance control method according to an embodiment of the invention based on indoor positioning
Kind initialization product process figure；
Fig. 4 is the another of received signals fingerprint library in the household electric appliance control method according to an embodiment of the invention based on indoor positioning
One initialization product process figure；And
Fig. 5 is the application example positioned in the household electric appliance control method according to an embodiment of the invention based on indoor positioning
Flow chart.
Specific embodiment
The embodiment of the present invention provides firstly a kind of appliance control system based on indoor positioning.Fig. 1 is according to the present invention
The schematic diagram of the appliance control system based on indoor positioning of one embodiment, the appliance control system of the indoor positioning include more
A fixed bluetooth module 110, mobile terminal 200 and Cloud Server 300.Plurality of fixed bluetooth module 110 can be distinguished
It is arranged in multiple household appliances 100 in localization region, such as is arranged in the water heater of the interior spaces such as family, market, sky
It adjusts in the household appliances 100 such as air conditioner indoor machine, refrigerator, audio-visual equipment, water heater, lamps and lanterns.Configured with mobile blue in mobile terminal 200
Tooth module 110, the broadcast singal sent for receiving fixed bluetooth module 110.
Multiple fixed bluetooth modules 110 are configured to continue to send broadcast singal, under ideal conditions, a fixed bluetooth mould
Block 110 sends broadcast singal, fixes bluetooth module 110 nearby certain signal strength pointed out and the fixed bluetooth module of point distance
110 distance square is inversely proportional, in the actual use environment, due to signal transmission environment condition and ideal situation have compared with
Big difference, therefore cannot simply carry out the relationship of expression signal intensity and distance using the above same mathematical model.This is also
It is the reason of being gradually reduced with the order of accuarcy for apart from increasing, calculating distance using signal decaying.
In region with a varied topography or interior of building, wireless signal transmission, which has landform and communication barriers object, to be relied on
Property, thus show very strong receiving station particularity.Therefore for each receiving point, the multidiameter configuration of the channel
It is only to each position.Therefore in localization region, the signal strength for the broadcast singal that each position receives is general
The universal law that signal strength gradually decays with signal source distance is left is not deferred to strictly, and will show one kind to the region
The dependence of distinctive transmission environment.Using this particularity, multiple fixed bluetooth modules 110 in localization region can be acquired
Broadcast singal received signals fingerprint.
The quantity of multiple fixed bluetooth modules 110 can be configured according to the case where localization region, generally require satisfaction
Interior each position of localization region can receive the broadcast singal issued at least three fixed bluetooth modules 110.
Mobile terminal 200 is carried by user, thus the position of the position of mobile bluetooth module 110 and mobile terminal 200
Unanimously, same transmission mode can be used in mobile bluetooth module 110 and fixed bluetooth module 110, on receiving
State broadcast singal, signal strength instruction (Received Signal Strength Indication, the abbreviation of broadcast singal
RSSI) related to position.The broadcast singal that mobile terminal 200 can be received according to mobile bluetooth module 110, extraction obtain letter
Number feature.
Mobile bluetooth module 110 and fixed bluetooth module 110 use bluetooth technology with low power consumption (Bluetooth Low
Energy, also known as Bluetooth 4.0 or Bluetooth Smart) carry out sending and receiving for broadcast singal.It is each solid
Bluetooth module 110 is determined configured with unique identification code, has above-mentioned identification code in the broadcast singal sent, to fixed bluetooth
The broadcast singal that module 110 is sent distinguishes.Correspondingly, the signal characteristic that mobile terminal 200 extracts may include: each
The identification code of fixed bluetooth module 110 and its signal strength of broadcast singal.
Bluetooth 4.0 is completed point-to-point or point-to-multipoint short haul connection a kind of wireless using microwave radio commu technology
The communication technology.Multiple equipment can be linked to be to piconet using Bluetooth technology, and can be by the further interconnection group of multiple piconets
At a bigger distributed network.Bluetooth 4.0 is current newest versions, relatively before version more power saving, there is cost
Low, 3 milliseconds of low latencies, overlength effectively connect distance, the characteristics of.
Cloud Server 300 is connected to the network respectively with mobile terminal 200 and multiple household appliances 100, such as passes through Wi-
The modes such as Fi carry out data transmission.Be omitted in Fig. 1 network connection in the network equipment, such as wireless router, interchanger,
Base station etc..Cloud Server 300 can first preserve the received signals fingerprint library formed according to above-mentioned received signals fingerprint, to carry out location data
Matching.The signal characteristic that the available mobile terminal 200 of Cloud Server 300 uploads, and by signal characteristic and preset positioning
The received signals fingerprint library in region is matched, to determine the position of user.
Cloud Server 300 can first preserve the control instruction and control of preconfigured above-mentioned multiple household appliances 100
Parameter processed can send correspondence to multiple household appliances 100 according to the position of user behind the position for determining user respectively
Control instruction, to adjust the respective working condition of multiple household appliances 100.The working condition specifically adjusted may include adjustment
Switch, wind-force and the wind direction of air-conditioning；Adjust the switch and volume of audio-visual equipment；Adjust switch and the brightness of light；And
Adjust the switch and water temperature of water heater.Such as can control air conditioner indoor unit around user to air-supply around user,
Or after user leaves the play area of audio-visual equipment, audio-visual equipment is closed；Water heater is opened after user enters the room
And light.Specific control strategy can be according to being configured in advance.
In addition, the control of the above household appliance 100 can also be carried out by mobile terminal 200, for example, Cloud Server 300
The location information determined is returned to mobile terminal 200, the peripherad household electrical appliance of mobile terminal 200 send corresponding control letter
Number.In a kind of preferred embodiment, mobile terminal 200 can also be by moving bluetooth module 110 to corresponding household appliance 100
Fixation bluetooth module 110 control instruction is sent with bluetooth approach, that is, fixed bluetooth module 110 can both complete positioning system
The broadcast singal sending function of system, is also used as the communication interface of household appliance 100.
Cloud Server 300 determines that one kind of position optionally performs mode are as follows: determines from received signals fingerprint library and signal characteristic
Immediate multiple location points carry out coordinate mean value calculation to position point, to obtain the coordinate of the position of user, to
Mobile terminal 200 returns to the coordinate of the position of user.
Mobile terminal 200 can also show the position of user according to coordinate on the electronic map of localization region,
Electronic map can by by commercial facility, means of transportation, performance venue, the large-scale indoor spaces such as warehouse inside precise position information
Intuitively show.Consequently facilitating user receives indoor navigation using electronic map and its position, information pushes etc.
Service.
In addition mobile terminal 200 can also receive user to the selection operation of the position of electronic map, extract user
Amendment to its position, generate amendment feedback, and to Cloud Server 300 upload the amendment feedback, for Cloud Server 300 according to
The amendment of user is updated received signals fingerprint library.
Mobile terminal 200 is also provided with global positioning system (Global Positioning System, usually letter
Claim GPS), the GPS modules such as dipper system (or positioning regions such as other modules, such as times dipper system for realizing satellite positioning
Part), for being positioned in outdoor spacious environment using the positioning system that synchronous satellite is established.Mobile terminal 200 can be to
Cloud Server 300 uploads GPS coordinates.Cloud Server 300 is configured to: being determined according to GPS coordinates
The location information of localization region, location information include the geographical coordinate of localization region and the mark of localization region.Mobile terminal
200 electronic map can in conjunction with indoor map and outdoor electrical map, and according to switching over, after entering the room scene,
By the structure of outdoor situation of building switching building interior.Comprehensive positioning service is provided for user.
The embodiment of the invention also provides a kind of household electric appliance control methods based on indoor positioning, should the family based on indoor positioning
Electric control method can be executed by the Cloud Server 300 in above-mentioned appliance control system, to utilize user in localization region
Interior position carries out the intelligent control of household appliance 100.Fig. 2 is the family according to an embodiment of the invention based on indoor positioning
The schematic diagram of electric control method, being somebody's turn to do the household electric appliance control method based on indoor positioning generally may include:
Step S202 obtains the signal characteristic that the mobile terminal 200 carried by user uploads, and the signal characteristic is according to shifting
The broadcast letter of multiple fixed bluetooth modules 110 in localization region that the mobile bluetooth module 110 of dynamic terminal 200 receives
Number extraction obtains, and multiple fixed bluetooth modules 110 are respectively arranged in household appliances 100 multiple in localization region.Each
Fixed bluetooth module 110 can be configured with unique identification code, and signal characteristic includes: the mark of each fixed bluetooth module 110
Know the signal strength of code and its broadcast singal, the preferably above fixed bluetooth module 110 and mobile bluetooth module 110 can be distinguished
Use 4.0 module of bluetooth.
Step S204 matches signal characteristic, with the received signals fingerprint library of preset localization region to determine user
Position, be stored with the corresponding signal characteristic of different location in localization region in received signals fingerprint library.Since received signals fingerprint library stores
Be several positions in localization region signal characteristic, it is impossible to each point for closely covering localization region therefore is carrying out
When location matches, it can be determined from received signals fingerprint library and the immediate multiple location points of signal characteristic；Position point is sat
Mean value calculation is marked, to obtain the coordinate of the position of user.
Step S206 sends corresponding control instruction to multiple household appliances 100 according to the position of user respectively, to adjust
The respective working condition of whole multiple household appliances 100.It includes following any for adjusting the respective working condition of multiple household appliances 100
It is one or more: to adjust the switch, wind-force and wind direction of air-conditioning；Adjust the switch and volume of audio-visual equipment；Adjustment light is opened
Pass and brightness；And the switch and water temperature of adjustment water heater.In specific use environment, can be set according to the household electrical appliances of configuration
Standby 100 type and the requirement of user configure the control strategy of household appliance 100.The above household appliance 100 is only
One for the present embodiment enumerates, and not limits the invention.
The above received signals fingerprint library can measure summary by the signal characteristic of the actual environment preparatory to localization region
It obtains.The generation in received signals fingerprint library can also be carried out in the way of different otherwise for the actual features of different localization regions
And calibration.
Fig. 3 is one of received signals fingerprint library in the household electric appliance control method according to an embodiment of the invention based on indoor positioning
Kind initialization product process figure, the process that is initially generated in the received signals fingerprint library include:
Step S302 obtains the electronic map of localization region；
Step S304 receives the position for the fixation bluetooth module 110 demarcated on the electronic map；
Step S306 generates received signals fingerprint library according to calibration position according to RSSI attenuation model；
Step S308, according to the position for receiving the fixation bluetooth module 110 demarcated on the electronic map.
The above received signals fingerprint library be initially generated process can be adapted for the transmission of the signals such as market obstacle be less and area compared with
Big localization region.RSSI generally can satisfy wanting for RSSI=A-10nlg (d) at a distance from position location to signal emitting-source
It asks.In addition when progress received signals fingerprint library is updated, the location information to amendment feedback is needed to be filtered, it will be obvious
Position feedback beyond localization region or apparent error filters out.
Fig. 4 is the another of received signals fingerprint library in the household electric appliance control method according to an embodiment of the invention based on indoor positioning
One initialization product process figure, the process that is initially generated in the received signals fingerprint library include:
Step S402 obtains the electronic map of localization region；
Step S404 receives the position for the fixation bluetooth module 110 demarcated on the electronic map；
Step S406 receives the signal characteristic that user acquires in several location points；
Step S408 is smoothed using several location points, forms received signals fingerprint library.
The received signals fingerprint library be initially generated process can be adapted for it is smaller to the area of family, but the transmission such as wall hinder
Hinder more localization region.Such as user can each room acquire one or several points respectively, by the signal of these collection points
Calibration point of the feature as the room, to generate the received signals fingerprint library in entire room.It in actual use, can also be according to reception
The position for the fixation bluetooth module 110 demarcated on the electronic map.
In addition to two ways described above, Cloud Server 300 can also be according to the characteristics of localization region and fixed blue
The position of tooth module 110 is matched from existing received signals fingerprint library, using the result matched as the localization region
Initial signal fingerprint base.Further, mobile terminal 200 can also preset the received signals fingerprint of multiple common localization regions
Library, in the local realization location matches of mobile terminal 200.
Each localization region can also be demarcated using coordinate, such as using European coordinate system, set coordinate origin, be led to
Cross the position that three-point fox method successively demarcates fixed bluetooth module 110.In addition the coordinate of each localization region is also with the letter with GPS
Breath is associated, and realizes the comprehensive positioning of indoor and outdoor.Such as mobile terminal 200 is additionally provided with GPS module, and is configured to cloud
Server 300 uploads GPS coordinates；Cloud Server 300 is configured to be determined according to GPS coordinates and position
The location information in region, location information include the geographical coordinate of localization region and the mark of localization region.Such as it is true using GPS
When determining user within the scope of some localization region, the indoor positioning of the localization region is automatically turned on.In mobile terminal 200
Mobile bluetooth module 110 starts, and enters the room positioning flow.
The household electric appliance control method based on indoor positioning of the present embodiment can also provide navigation to user, information provides
Equal location-based services, such as after the coordinate for the position for obtaining user further include: user is returned to mobile terminal 200
Position coordinate, so that mobile terminal 200 shows according to coordinate the institute of user on the electronic map of localization region
In position, the functions such as indoor location navigation, popular position recommendation can also be realized using the electronic map.
The household electric appliance control method based on indoor positioning of the present embodiment, can also be by moving bluetooth module 110 to correspondence
The fixation bluetooth module 110 of household appliance 100 sends control instruction with bluetooth approach, that is, fixed bluetooth module 110 both may be used
To complete the broadcast singal sending function of positioning system, it is also used as the communication interface of household appliance 100.
Fig. 5 is the application example positioned in the household electric appliance control method according to an embodiment of the invention based on indoor positioning
Flow chart, entire position fixing process may comprise steps of:
Step S502, sample database modeling.Such as the transmission power by fixing bluetooth module 110 is in the decaying in space
Model foundation sample fingerprint space carries out signal using the mapping relations (RSSI=A-10nlg (d)) between RSSI and position
Fingerprint modeling；
Step S504 acquires example positions data.It is mounted with that at least three has the room of fixed bluetooth module 110 at one
Under interior environment, passes through the example positions repeatedly measured and carry out the amendment matched Yu repeatedly with sample data, form initialization
Demarcate a certain specific indoor fingerprint recognition data acquisition system；
Step S506 demarcates relative position coordinates.After completing initialization example positions data, sets opposite position and sit
Mark.For example, by using Euclidean coordinate system, a coordinate origin is selected, fixed bluetooth module is successively demarcated by the rule of 3 point locations
110 relative position is determining that the GPS location of localization region itself is can be associated with other indoor positioning set to constitute city
Area positioning system；
Step S508 is positioned in real time.After the mobile terminal 200 with mobile bluetooth module 110 enters initialized
Base station effective range when, mobile bluetooth module 110 will automatically receive the broadcast letter that fixed bluetooth module 110 is sent
Number, and determine the mark and signal strength for including in broadcast singal, to form signal characteristic.Mobile terminal 200 receive
Signal characteristic be reported to Cloud Server 300.Cloud Server 300 will be real the signal characteristic and the indoor positioning region reported
Exampleization received signals fingerprint library carries out Data Matching.Matching algorithm can be obtained according to multiple methods for taking mean value compared near match result
Result carry out coordinate conversion again and determine real-time location coordinates data, Cloud Server 300 can return position coordinate data to shifting
It is shown in dynamic terminal 200.
Furthermore Cloud Server 300 can also carry out the intelligent control of household electrical appliances according to user location and provide the bases such as indoor navigation
Service in position.
Step S510, position correction.It, can be mobile whole if the real-time position information that user gets is not accurate enough
It is finely adjusted on the electronic map at end 200 and (usually does the adjusting of 20-100cm range on original position), it is true according to fine tuning
Fixed position feedback data after reporting Cloud Server 300 after filtering processing (filtering out the data outside beyond moving range),
It is updated by the method for cumulative mean into the fingerprint database of instantiation, for the use of subsequent location matches.
It is of the invention based on the household electric appliance control method of indoor positioning by bluetooth 4.0 technology be applied in household appliance 100 into
Row indoor positioning fast implements location technology by intelligent appliance cloud platform, and due to using offline sample fingerprint training mould
Type positions the mode combined with target in real time online, effectively reduces the operand in positioning, saves the time.Using signal
Fingerprint database can have better access to specific indoor positioning environment, reduce RSSI and receive by electromagnetic interference in environment, reflection,
The influence of multipath effect etc..In addition it can use the feedback of user to calibrate, with optimize indoor environment at any time with space
Actual measurement location error, improves positioning accuracy caused by the change of position.
The household electric appliance control method and appliance control system based on indoor positioning of the present embodiment, utilizes the bluetooth skill of low-power consumption
Art realizes indoor precise positioning, in conjunction with the long-range control of intelligent appliance, guarantees that the household electrical appliances in localization region can be according to using
The exact position of person carries out the adjust automatically of family's electricity condition, meets the requirement of user, improves the intelligence of household appliance
Degree and service efficiency can be changed.Bluetooth module can integrate in household appliance, the fixed knot as broadcast transmission positioning signal
Point, the obstacle encountered using Bluetooth signal to the interior space and when propagating have the characteristics that dependence, pre-generate received signals fingerprint
Library has saved the corresponding relationship of localization region each position and signal characteristic, so that position enquiring is realized using the received signals fingerprint library,
Reduce electromagnetic interference, reflection, the influence of multipath effect etc., positioning accuracy height.
Further, the household electric appliance control method and appliance control system of the invention based on indoor positioning will be positioned accurately
Position coordinates feed back to the mobile terminal of user, to understand its position using electronic map using user, for into
One step provides the business such as indoor positioning and information push and provides data basis.
Further, the household electric appliance control method and appliance control system of the invention based on indoor positioning, can be with root
According to the position feedback information of user, received signals fingerprint library is updated, positioning accuracy is optimized.And it can be in conjunction with (the whole world GPS
Positioning system) realize indoor and outdoor location technology combination.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is of the invention
Within the scope of and form different embodiments.For example, in detail in the claims, embodiment claimed it is one of any
Can in any combination mode come using.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (7)
1. a kind of household electric appliance control method based on indoor positioning, comprising:
Obtain the signal characteristic of the mobile terminal upload carried by user, the signal characteristic is according to the shifting of the mobile terminal
The broadcast singal of multiple fixed bluetooth modules in localization region that dynamic bluetooth module receives, which extracts, to be obtained, and described
Multiple fixed bluetooth modules are respectively arranged in household appliances multiple in the localization region；
The signal characteristic is matched with the received signals fingerprint library of the preset localization region, with the determination user's
Position is stored with the corresponding signal characteristic of different location in the localization region in the received signals fingerprint library；
Corresponding control instruction is sent respectively to the multiple household appliance according to the position of the user, it is described more to adjust
A respective working condition of household appliance；
Wherein, the step of signal characteristic being matched with the received signals fingerprint library of the preset localization region include:
It is determined and the immediate multiple location points of the signal characteristic from the received signals fingerprint library；
Coordinate mean value calculation is carried out to the location point, to obtain the coordinate of the position of the user；And
After obtaining the coordinate of position of the user further include:
The coordinate of the position of the user is returned to, to the mobile terminal so that the mobile terminal is according to the coordinate
The position of the user is shown on the electronic map of the localization region；And
After returning to the coordinate of position of the user to the mobile terminal further include:
It receives the mobile terminal to feed back the amendment of the position of the user, and feeds back according to the amendment to described
Received signals fingerprint library is updated, and the amendment feedback is generated according to selection operation of the user to the position of the electronic map.
2. according to the method described in claim 1, wherein,
Each fixed bluetooth module configuration has unique identification code, and the signal characteristic includes: each described fixed blue
The identification code of tooth module and its signal strength of broadcast singal.
3. according to the method described in claim 1, wherein, obtaining the signal characteristic uploaded with the mobile mobile terminal of user
The step of before, further includes:
The GPS coordinates that the mobile terminal uploads are obtained, and according to GPS coordinates determination
The location information of localization region, the location information include the geographical coordinate of the localization region and the mark of localization region.
4. according to the method in any one of claims 1 to 3, wherein adjust the respective work of the multiple household appliance
State includes following any one or more:
Adjust switch, wind-force and the wind direction of air-conditioning；
Adjust the switch and volume of audio-visual equipment；
Adjust switch and the brightness of light；And
Adjust the switch and water temperature of water heater.
5. a kind of appliance control system based on indoor positioning, comprising:
Multiple fixed bluetooth modules are arranged in localization region in multiple household appliances, are configured to continue to send broadcast singal:
The mobile terminal carried by user configured with mobile bluetooth module, and is configured to the mobile bluetooth according to the terminal
Module receives broadcast singal extraction and obtains signal characteristic；
Cloud Server is connected to the network respectively with the mobile terminal and the multiple household appliance, and is configured to: described in acquisition
Signal characteristic, and the signal characteristic is matched with the received signals fingerprint library of the preset localization region, described in determination
The position of user is stored with the corresponding signal characteristic of different location in the localization region in the received signals fingerprint library；According to
The position of the user sends corresponding control instruction to the multiple household appliance respectively, is set with adjusting the multiple household electrical appliances
Standby respective working condition；
Wherein, the Cloud Server is configured to: being determined from the received signals fingerprint library immediate more with the signal characteristic
A location point carries out coordinate mean value calculation to the location point, to obtain the coordinate of the position of the user, to institute
State the coordinate that mobile terminal returns to the position of the user；And
The mobile terminal is configured to: the user is shown on the electronic map of the localization region according to the coordinate
Position, amendment feedback, Xiang Suoshu cloud service are generated to the selection operation of the position of the electronic map according to user
Device uploads the amendment feedback, so that the Cloud Server is updated the received signals fingerprint library according to amendment feedback.
6. system according to claim 5, wherein
Each fixed bluetooth module configuration has unique identification code, and the signal characteristic includes: each described fixed blue
The signal strength of identification code described in tooth module and its broadcast singal.
7. system according to claim 5, wherein
The mobile terminal is additionally provided with GPS module, and is configured to upload GPS coordinates to the Cloud Server；
The Cloud Server is configured to: the location information of the localization region is determined according to the GPS coordinates,
The location information includes the geographical coordinate of the localization region and the mark of localization region.
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