CN106382932A - Library indoor three-dimensional navigation method based on Bluetooth and triangulation - Google Patents
Library indoor three-dimensional navigation method based on Bluetooth and triangulation Download PDFInfo
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- CN106382932A CN106382932A CN201610815794.6A CN201610815794A CN106382932A CN 106382932 A CN106382932 A CN 106382932A CN 201610815794 A CN201610815794 A CN 201610815794A CN 106382932 A CN106382932 A CN 106382932A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/20—Instruments for performing navigational calculations
- G01C21/206—Instruments for performing navigational calculations specially adapted for indoor navigation
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Abstract
The invention provides a library indoor three-dimensional navigation method based on Bluetooth and triangulation, which mainly solves the problem that a person wastes time and easily gets lost when searching for a book in a library. The method comprising a target book positioning step, a reader positioning step and a navigation step, and is characterized by comparing information of a Bluetooth base station closest to a cell phone of a reader with information in a database and computing, to determine a three-dimensional position of the reader; marking and displaying the reader position in a library schematic map; determining borrowing orders from the reader position to each of target books; computing a path as short as possible between two adjacent targets; providing a relatively short path that can communicate the current position of the reader with all the target books; and marking and displaying same in the library schematic map. The method disclosed by the invention effectively improves book searching efficiency, so that the reader who is not familiar with book arrangement in the library can rapidly find desired books.
Description
Technical field
The invention belongs to indoor positioning and field of navigation technology, specifically a kind of position supporting indoor map and navigation
Service technology.
Background technology
At present, complicated indoor place, such as airport hall, exhibition room, warehouse, supermarket, library, underground parking etc. is in people
Life in more and more.In these complicated indoor environments, people, in order to find required target, often have to footpath between fields
Stranger asks about orientation, or seeks help from the indoor planning chart on wall.These location-based services are not often advised in layout complexity or pole
The low and inadequate hommization of the efficiency that seems in place then.Library is the place typically needing very much indoor navigation technology.As
Fruit can be realized conveniently navigating in library, searches out, in " boundless and indistinct book sea ", the figure oneself admired in shuttle for reader
Book will become an easily thing.
The shortcoming that GPS carries out indoor positioning is weaker during framing signal arrival ground, and signal can not penetrate building,
Locator terminal relatively costly.In addition, some indoor wireless location technologies, such as infrared, the ultrasonic, technology of radio frequency, bluetooth, deposit
Little in signal range of application, stability is poor, the shortcomings of be easily subject to noise jamming.Also once it has been proposed that by GPS technology and indoor wireless
Location technology combines, but technical sophistication, relatively costly.
The representative of indoor positioning technologies has the targeting schemes such as Wi-Fi, bluetooth, ZIGBEE, RFID, iBeacon, UWB, these
It is all to be carried to the covering realizing regional area in LAN.
In these schemes, Wi-Fi positioning can realize communication and positioning function simultaneously, using existing AP base in building
Stand and can substantially reduce hardware cost, Wi-Fi scheme is widely used in market, airport etc., provides retail shop's information pushing, indoor navigation
Deng, but due to its positioning precision low (about 10 meters), believing between the easy moisture interference being subject to human body and multiple Wi-Fi net
Road disturbs, and finger print information acquisition time high cost, so often there is certain limitation in actual applications.
RFID positions, and using swiping card mode, carries out deciding field according to reading device position to the personnel of swiping the card or equipment.It is excellent
Point is：Contactless operation, application is convenient, environmental suitability is strong, the information in RFID label tag repeats modification.Its shortcoming exists
In：Cannot be carried out positioning in real time, setting accuracy is low.RFID positioning be mainly used in warehouse, colliery, cargo tracking, safety check,
ETC, office work attendance etc..
The representative of ultra broadband positioning is Ubisense, and its targeting scheme adopts UWB (ultra broadband) pulse signal, by multiple biographies
Sensor is analyzed to label position using TDOA and AOA location algorithm, and multi-path resolved ability is strong, high precision, and positioning precision can
Reach sub-meter grade.But UWB is difficult to in-door covering on a large scale, and UWB do not supported by mobile phone, and positioning cost is very high.
The representative of bluetooth location technology is iBeacon, and iBeacon is that one kind of Apple's exploitation passes through low-power consumption bluetooth
Technology carries out a micro- location technology.Beacon base station can with remote capture Beacon signal, scope can from several millimeters to
50 meters (recommended distance 10m).IBeacon adopts bluetooth 4.0, i.e. low-power consumption bluetooth, and a button cell is available for Beacon base station
Using 2 years.Beacon has low cost for positioning, disposes the features such as facilitate.Currently advanced Bluetooth technology can accomplish low work(
Consumption bluetooth, using button cell, the longest uses 1 year；In high precision, level and 0.3～1 meter of vertical precision are realized, discrimination is high
Reach more than 99%；The transmission as little as delay of 100ms；Strong anti-interference ability, is not subject to stop and the interference of human body and general object；Suitable
Wide with scope, support and compatible customized label, mobile phone, the standard active bluetooth equipment such as bracelet；Lay simple, Bluetooth base. station leads to
Cross POE netting twine to connect to server, realize the transmission of information.
IBeacon technology refer to by using low-power consumption bluetooth technology (Bluetooth Low Energy, that is,
Bluetooth 4.0 or Bluetooth Smart), iBeacon base station just can automatically create a signal area, when setting
During standby this region of entrance, corresponding application program will prompt the user whether to need to access this signal network.
Content of the invention
In order that indoor positioning and airmanship can easily be applied to various large-scale libraries, archives etc., the present invention
Disclose a kind of Bluetooth Communication Technology of utilization smart mobile phone, in conjunction with the indoor positioning technologies based on Bluetooth base. station, integrated man-machine
Interactive system, realizes to indoor navigation service during Readers ' Borrowing Books books.The invention discloses a kind of principle is simple, design peace
Dress is quick, cheap, and the mobile phone of Quick positioning map book shop books position easy to use and offer searching books route is indoor
Air navigation aid and system.
The purpose of the present invention is realized by following measures：
1st, three-dimensional navigation method in a kind of library based on bluetooth and triangulation, the method specifically includes following step
Suddenly：
1) target books positioning step：Determine mesh using the calculating of comparing of information in target book information and database
Cursor position；Target books position is marked in library's signal map and shows；
2) Reader Orientation step：Compared using information in the closest Bluetooth base. station information and date storehouse of reader's mobile phone
To determine reader position to calculating；Reader position is marked in library's signal map and shows；
3) navigation step：Determine borrowing sequentially from reader position to each target books；Former and later two targets calculate
Path as short as possible；Offer one can be with the shorter path of UNICOM reader current location and all target books, in library
Mark in signal map and show.
2nd, described target books positioning is by system, reader's input " target books keyword " to be believed with books position
In breath database, information is compared calculating, determines target location three-dimensional coordinate by target books position in library schematically
In figure marks and shows.
3rd, described Reader Orientation is to be obtained after " Bluetooth base. station information " identification decoding that system receives to reader's mobile phone
To the closest multiple Bluetooth base. station information of reader's mobile phone and information in base station position information database compare calculating,
Determine reader's mobile phone three-dimensional coordinate substantially using triangulation, that is, reader position three-dimensional coordinate and by reader position in books
Mark in the signal map of shop and show.
4th, described navigation be using enumerative technique determine from reader position to reader selected by each target books borrow order
Afterwards, then using generalized precedence algorithm calculate as short as possible path in latter two target first, then providing one can be read with UNICOM
Person current location and the shorter path of all target books, mark in library's signal map and show.
5th, Bluetooth base. station, wireless communication module, database, path planning navigation module, library's signal map, intelligence are included
Can mobile phone terminal；
Described Bluetooth base. station has its corresponding position three-dimensional coordinate in database；
Described wireless communication module, receives and seeks book navigation information with the related library of process；Described database, for storing
Book navigation information is sought in related library；
Described path planning navigation module, finds out the shortest path of point-to-point transmission walking, is given and seeks book navigation results, be shown in
On map；
Described library signal map, simple image display indoor arrangement；
Described intelligent mobile phone terminal, sends service request to wireless communication server, and receives and show planning Xun Shu road
Footpath.
6th, Bluetooth base. station installation site is respectively：It is arranged on each main positions of library；It is arranged on library bookshelf side
Side upper and lower side：Two adjacent bookshelves are separately mounted to upper end and another the lower end of, the then installation of same bookshelf
In upper end, other end is arranged on lower end, is at utmost spaced two adjacent Bluetooth base. station and for providing the big of mobile phone terminal
Cause height.
7th, described smart mobile phone is connected with described wireless communication server is to be realized by Transmission Control Protocol and Socket.
8th, described database includes：
Library configuration's map information database, the field mainly comprising has：Floor, position coordinates X, position coordinates Y, position
Put coordinate Z, map matrix element value；
Books location information data storehouse, mainly comprising field has：Book name, books bar code, classification number, call number, building
Layer, position coordinates X, position coordinates Y, position coordinates Z；
Bluetooth base. station location information data storehouse, mainly comprising field has：Base station name, base station number, floor, position coordinates
X, position coordinates Y, position coordinates Z；
Books location information data storehouse is associated with library's Website book information catalogue search engine, the present invention adopts
" book name " and " books bar code " is as associate field；By books location information data storehouse and library configuration's cartographic information number
According to storehouse association, using " floor ", " position coordinates X ", " position coordinates Y ", " position coordinates Z ", as associate field.
9th, library's signal map adopts two-dimensional map matrix form, and in matrix, each element is every with an integer representation
Bookshelf in one floor practical layout, passageway, wall, loan desk；In matrix, the number of each element filling represents bookshelf, passageway etc.
The scale of occupied area in This floor, the coordinate information of matrix each element represents the plan-position in bookshelf, passageway etc.；Press
The method erects a library the two-dimensional map matrix of each floor.
Smart mobile phone is increasingly popularized in the life of people, is searched by mobile phone access library's Website book information catalogue
Index is held up, and obtains library's indoor navigation, must be a very popular service for the people using smart mobile phone.This
The technical scheme of invention is compared meter by using information in the closest Bluetooth base. station information and date storehouse of reader's mobile phone
Calculate and to determine reader position；Reader position is marked in library's signal map and shows；Determine from reader position to
Each target books borrow order；Path as short as possible is calculated in former and later two targets；Offer one can be with UNICOM reader
Current location and the shorter path of all target books, mark in library's signal map and show.You Liao library
Interior situational map and the guide of navigation, people just can determine oneself or books in shop in the complicated library of layout
Positional information, thus breaking away from lost embarrassment.The method realize that principle is simple, convenient and easy, accurate positioning.The method
Realize substantially not increasing the workload of librarian, as long as installing Bluetooth base. station by original in bookshelf side；Using figure
Book shop existing book information management database, and set up books location information data storehouse, base station position information database,
Directly can be inquired about by connection table after three's association, be reduced the complexity of tabulation.Reader only need to have and a have
The smart mobile phone of bluetooth can obtain the service in library's indoor navigation.
Brief description
Fig. 1 seeks book navigation system flow chart for the present invention's.
Specific embodiment
Three-dimensional navigation process in the library based on bluetooth and triangulation for the figure of the present invention：
Library's part：
1st, Bluetooth base. station is installed.Bluetooth base. station installation site is respectively：It is arranged on each main positions of library；It is arranged on
The top and bottom of library bookshelf side：Two adjacent bookshelves are separately mounted to upper end and another the lower end of,
Same bookshelf is then arranged on upper end for one, and other end is arranged on lower end, is at utmost spaced two adjacent Bluetooth base. station simultaneously
For providing the general height of mobile phone terminal.The present invention design bookshelf three-dimensional coordinate information by 25 integer representations,
Highest order represents floor, and eight summits of 24 expression bookshelves are in the three-dimensional location coordinates of This floor afterwards.
2nd, generate library configuration's map.Map adopts two-dimensional map matrix form, and in matrix, each element is with one one
Bookshelf in integer representation each floor practical layout, passageway, wall, loan desk etc..For example：0 represent bookshelf, 1 represent passageway,
2 represent wall, 3 expression loan desks etc..In matrix, the number of each element filling represents the shared face in This floor such as bookshelf, passageway
Long-pending scale, the coordinate information of matrix each element represents the plan-position in bookshelf, passageway etc..According to said method erect a library
The two-dimensional map matrix of each floor.
3rd, the layout that erects a library map data base.The field mainly comprising has：Floor, position coordinates X, position coordinates Y,
Position coordinates Z, map matrix element value.For improving positioning and navigation speed, the plane of same connected region is sat by the present invention
Mark is taken as same value, i.e. the Geometric center coordinates of this region occupied area in map matrix.
4th, set up books location information data storehouse.General library has all had taking care of books database, including books
The essential informations such as title, numbering, classification number, the present invention sets up a books position on the basis of existing taking care of books database
Information database.Books location information data storehouse mainly comprises field to be had：Book name, books bar code, classification number, call number,
Floor, position coordinates X, position coordinates Y, position coordinates Z.Library first according to a conventional method by book name, books bar code, point
Class-mark, call number typing books location information data storehouse, then put books on bookshelf.
5th, Bluetooth base. station location information data storehouse, mainly comprising field has：Base station name, base station number, floor, position are sat
Mark X, position coordinates Y, position coordinates Z.
6th, books location information data storehouse is associated with library's Website book information catalogue search engine.The design adopts
" book name " and " books bar code ", as associate field, can directly be inquired about by connection table.
7th, books location information data storehouse, Bluetooth base. station location information data storehouse and library configuration's map data base are closed
Connection.
8th, seek the realization of book navigation feature.What the present invention took seek, and book navigation is implemented as：System passes through target books
Keyword, in library's Website's book information catalogue search engine retrieval, obtains position coordinates 1 in library for the target books；
System passes through Bluetooth base. station information, obtains position coordinates 2 in library for this reader；System passes through path planning algorithm, looks for
Go out coordinate 1 and the shortest path of coordinate 2 point-to-point transmission walking, be given and seek book navigation results, be shown on map.
Reader's part：
1st, log in library's Website's book information catalogue search engine.Enter book information catalogue search engine；
2nd, target books positioning.Reader logs in the search engine of library's Website's offer by mobile phone, and input needs to find
The keyword of books, determines the unique objects book name needing retrieval, and system then returns the positional information of target books, display
On the map of respective storey, target books positioning terminates.
3rd, Reader Orientation.Reader obtains positional information by using the smart mobile phone with Bluetooth base. station identification function, shows
Show that, on the map of respective storey, Reader Orientation terminates.
4th, path navigation.Reader, with target books position obtained above and reader position, using navigation feature, is read
Person position, to the optimal path of target location, is shown on map, and what acquisition system was given seeks book navigation way.
With reference to Fig. 1, the route of three-dimensional navigation method in a kind of library based on bluetooth and triangulation of the present invention
The for example following several steps of navigation flowcharts：
Step 1, login library's Website book information catalogue search engine.Reader enters library, is logged in using mobile phone
Library's Website, enters book information catalogue search engine；
Step 2, target books positioning.Reader logs in the search engine of library's Website's offer by mobile phone, and input needs
Find the keyword of books, determine the unique objects book name needing retrieval, system then returns the positional information of target books,
It is shown on the map of respective storey, target books positioning terminates；
Step 3, Reader Orientation.Reader obtains indigo plant at one's side by using the smart mobile phone with Bluetooth base. station identification function
Tooth base station, system then returns the positional information of the closest Bluetooth base. station of this reader's mobile phone, is shown in the map of respective storey
On, Reader Orientation terminates；
Step 4, path planning.Reader, with target books position obtained above and reader position, using navigation feature, is
System then calculates reader position to a series of optimal path of target locations according to the air navigation aid principle of the present invention；
The optimal path calculating is superimposed upon on library's map for step 5, system, returns to mobile phone and shows.
Step 6, the present invention can realize navigating at any time, when reader do not find target books and create change in location or
Person continue to borrow need to generate new when seeking book navigation map, as long as re-operating according to above-mentioned (step 2- step 5).
Claims (9)
1. three-dimensional navigation method in a kind of library based on bluetooth and triangulation, the method includes target books positioning step
Suddenly, Reader Orientation step and navigation step it is characterised in that：Using the closest Bluetooth base. station information and date of reader's mobile phone
In storehouse, information compares calculating determining reader's three-dimensional position；Reader position is marked in library's signal map and shows
Out；Determine borrowing sequentially from reader position to each target books；Path as short as possible is calculated in former and later two targets；
There is provided one to mark simultaneously in library's signal map with the shorter path of UNICOM reader current location and all target books
Show.
2. three-dimensional navigation method in the library based on bluetooth and triangulation for the figure according to claim 1, its feature
It is that described Reader Orientation is, by system, reader's mobile phone is obtained with " the closest Bluetooth base. station of reader's mobile phone " identification solution
After code, the closest multiple Bluetooth base. station information of reader's mobile phone of obtaining are compared with information in base station position information database
To calculating, the closest multiple Bluetooth base. station information of the reader's mobile phone obtaining are carried out with information in base station position information database
Contrast conting, determines reader's mobile phone three-dimensional coordinate substantially using triangulation, i.e. reader position three-dimensional coordinate by reader
Position marks in library's signal map and shows.
3. three-dimensional navigation method in the library based on bluetooth and triangulation for the figure according to claim 2, its feature
It is that Bluetooth base. station installation site is respectively：It is arranged on each main positions of library；It is arranged on library bookshelf side upper and lower
End：Two adjacent bookshelves are separately mounted to upper end and another the lower end of, and same bookshelf is then arranged on upper end for one,
Other end is arranged on lower end, is at utmost spaced two adjacent Bluetooth base. station the general height for providing mobile phone terminal.
4. three-dimensional navigation method in the library based on bluetooth and triangulation for the figure according to claim 1, its feature
It is that described target books positioning is to reader's input " target books keyword " and books location information data by system
In storehouse, information is compared calculating, determines target location three-dimensional coordinate and gets the bid in library's signal map in target books position
Note and show.
5. three-dimensional navigation method in the library based on bluetooth and triangulation for the figure according to claim 3, its feature
It is that described Bluetooth base. station has its corresponding position three-dimensional coordinate in database.
6. three-dimensional navigation method in the library based on bluetooth and triangulation for the figure according to claim 1, its feature
It is that library configuration's map adopts two-dimensional map matrix form, each element each floor of one integer representation in matrix
Bookshelf in practical layout, passageway, wall, loan desk etc..
7. three-dimensional navigation method in the library based on bluetooth and triangulation for the figure according to claim 1, its feature
It is that the field that library configuration's map data base mainly comprises has：Floor, position coordinates X, position coordinates Y, position coordinates Z,
Map matrix element value.
8. three-dimensional navigation method in the library based on bluetooth and triangulation for the figure according to claim 1, its feature
It is that books location information data storehouse mainly comprises field and has：Book name, books bar code, classification number, call number, floor, position
Put coordinate X, position coordinates Y, position coordinates Z.
9. three-dimensional navigation method in the library based on bluetooth and triangulation for the figure according to claim 5, its feature
It is Bluetooth base. station location information data storehouse, mainly comprising field has：Base station name, base station number, floor, position coordinates X, position
Put coordinate Y, position coordinates Z.
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| CN107025478A (en) * | 2017-05-23 | 2017-08-08 | 武汉华高信息技术有限公司 | Library book alignment system and method |
| CN107149322A (en) * | 2017-07-12 | 2017-09-12 | 安徽信息工程学院 | Intelligent mobile seat and its control system based on bluetooth 4.0 |
| CN107966148A (en) * | 2017-10-10 | 2018-04-27 | 深圳数位传媒科技有限公司 | Indoor routing information generation method, system, server and readable storage medium storing program for executing |
| CN108303074A (en) * | 2017-12-22 | 2018-07-20 | 山东康威通信技术股份有限公司 | A kind of underground positioning navigation method and system based on power tunnel environment |
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| CN108827319A (en) * | 2018-08-27 | 2018-11-16 | 华北理工大学 | A kind of method of mobile phone navigation in library and system |
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| CN108616854A (en) * | 2017-03-28 | 2018-10-02 | 集速智能标签（上海）有限公司 | A kind of method and system of indoor positioning |
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| CN107966148A (en) * | 2017-10-10 | 2018-04-27 | 深圳数位传媒科技有限公司 | Indoor routing information generation method, system, server and readable storage medium storing program for executing |
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