CN104536967B - A kind of library's vacant seat inquiry system based on RFID - Google Patents
A kind of library's vacant seat inquiry system based on RFID Download PDFInfo
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- CN104536967B CN104536967B CN201410705601.2A CN201410705601A CN104536967B CN 104536967 B CN104536967 B CN 104536967B CN 201410705601 A CN201410705601 A CN 201410705601A CN 104536967 B CN104536967 B CN 104536967B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
- G06K17/0029—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
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Abstract
The invention discloses a kind of library's vacant seat inquiry system based on RFID, including interactive module, data processing module, data memory module and locating module；Student inquires about intelligent terminal by vacant seat and sends vacant seat information inquiry condition, data processing module combines location information of the locating module to student after receiving querying condition, vacant seat information is inquired about into data memory module in storage, the result of inquiry is returned into data processing module again, query result is shown using vacant seat inquiry intelligent terminal.So student inquires about intelligent terminal by vacant seat can clearly inquire the vacant seat residue situation in library, and accurate position, that is, save the learning time of student's preciousness, while avoid because walking about for looking for seat interferes other students.
Description
Technical field
The invention belongs to technical field of information management, more specifically, is related to a kind of library's vacant seat based on RFID
Inquiry system.
Background technology
The place that college student is reviewed one's lessons generally can all select classroom or library.Learned since seat is more in classroom
It is raw be generally possible to easier to find idle seat reviewed one's lessons.And the space in library is larger, student is extremely difficult to find idle seat
Position is reviewed one's lessons, and especially when final examination comes one after another, this phenomenon becomes apparent.Student can only carry one layer one of school bag
Layer blindly finds room few in number in library, not only wastes the learning time of preciousness, also surrounding is reviewed one's lessons
Classmate cause very big influence.
Jiangsu University of Science and Technology in 2006 have devised a kind of distributed passenger number statistical system based on embedded system.This is
The discrepancy number monitored of uniting sends statistic device to, then carries out collecting calculating, so as to obtain the personnel of whole statistical regions
Quantity.The device can be used for carrying out real-time statistics to the number accommodated in closure place；Northcentral University have devised within 2007
A kind of bus passenger number automatic statistics meter based on image.Using high-speed dsp and FPGA design, system operations speed is fast, energy
Enough accomplish real-time number identification, its hardware configuration is simple, performance is stablized, and installation and debugging are convenient；2009 Shenzhen fly it is auspicious this
Science and Technology Ltd. have devised a kind of bus passenger number statistical system of analyzing by means of video, for solving public traffic management center
The technical problem of number on all buses is accurately monitored in real time；Horse in 2009, which is dredged, big etc. have devised a kind of programming count
The device of classroom number.The device counts on class people using the mode that human-body emitting receiving sensor and campus card are swiped the card
Number；Jiang Rui purples in 2009 have devised a kind of intelligent power saving and people-counting equipment.Intelligent section is carried out using infrared shooting device
Energy and demographics, while there is Intelligent energy-saving and demographics.
Analysis more than is as can be seen that related invention before this generally uses embedded technology, Video Analysis Technology,
Sensor, infrared facility etc. carry out the places such as bus, classroom statistics and the display of one number.They can be to these
Number carry out a statistics in real time, realize the functions such as accurate monitoring, intelligent control.But their function is all confined to
On the statistical function of number, and lack enough utilizations for the positional information of personnel in place, it is impossible to the people in place
Member's position distribution carries out accurate display in real time.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of vacant seat inquiry system of library based on RFID
System, realizes the identification to library free time seat by the positioning function and network technology of RFID, is transmitted by network technology
Data, are eventually displayed on intelligent terminal.This ensure that the high judgement precision of vacant seat, the time of looking for seat is also saved.
For achieving the above object, a kind of library's vacant seat inquiry system based on RFID of the present invention, it is characterised in that
Including：
One interactive module, is made of, student is by touching the multiple vacant seat inquiry intelligent terminal being deployed in library hall
Screen clicks on vacant seat inquiry intelligent terminal interface, input inquiry condition, that is, vacant seat inquiry, and vacant seat inquires about intelligent terminal again by input
Vacant seat inquiry is input to data processing module, after waiting poll-final, and the vacant seat presentation of information inquired is inquired about in vacant seat
On intelligent terminal interface；
One data processing module, including enquiry module, map calling module and update module；
After enquiry module receives the vacant seat inquiry of vacant seat inquiry intelligent terminal input, start map calling module in map
Vacant seat is found in information server and inquires about corresponding region, enquiry module is again from the seat information server in data memory module
Seat Basic Information Table SI in inquire about the seat information in the region, according to the OC fields in seat Basic Information Table SI, inquiry
All vacant seat information of inquiry are returned to data processing module, data by the occupancy situation at seat, seat information server again
Processing module is returned to vacant seat inquiry intelligent terminal and shown by way of network transmission again；
After update module receives the coordinate position of the mobile RFID label of RFID reader transmission, by the coordinate bit of reception
Put compared with the seat coordinate in map datum table GI, the identical seat coordinate of coordinate is labeled as " 1 ", that is, is taken, by coordinate
Different seat coordinate is labeled as " 0 ", i.e., idle, then data memory module is sent to by way of network transmission, in number
According in the seat Basic Information Table SI in memory module, the list item of the S field identical with the coordinate value is found, according to the coordinate
Use state updates the OC fields of the list item, is finally stored in data memory module；
One data memory module, including seat information server and map information server；
Seat information server, including a seat Basic Information Table SI；Seat Basic Information Table SI is by the seat in region
Position according to " ID, S, SN, AN, OC " field are stored, wherein, id field is the major key of seat Basic Information Table SI, and S fields are
The coordinate position at seat, SN fields are seat numbering, and AN fields be zone number, and OC fields are the occupancy situation at seat, " 1 " table
Show that the seat is in take, " 0 " represents that the seat is in the free time, wherein, the data of AN fields, SN fields and S fields pass through net
The mode of network transmission is directly imported from the map datum table GI in map information server；
Map information server, including a map datum table GI, for the seat in library to be divided into not same district
Domain, in each region, seat is again by " form of ID, AN, SN, S " are stored in map datum table GI；
One locating module, including RFID reader, reference location label and mobile RFID label；It is deployed in library
The mobile RFID label that the equally spaced scanning of interior RFID reader is carried to student, passes through the mobile RFID label that scans
The signal strength values of signal strength values and the reference location label being deployed in library, this is calculated using landmarc algorithms
The coordinate position of mobile RFID label is simultaneously sent to update module.
What the goal of the invention of the present invention was realized in：
Library's vacant seat inquiry system of the invention based on RFID, including the storage of interactive module, data processing module, data
Module and locating module；Student inquires about intelligent terminal by vacant seat and sends vacant seat information inquiry condition, and data processing module receives
Location information of the locating module to student is combined after querying condition, vacant seat information is inquired about into data memory module in storage, then will
The result of inquiry returns to data processing module, and query result is shown using vacant seat inquiry intelligent terminal.Such student
The vacant seat residue situation in library, and accurate position can clearly be inquired by inquiring about intelligent terminal by vacant seat, that is, be saved
About learning time of student's preciousness, while avoid because walking about for looking for seat interferes other students.
Meanwhile library's vacant seat inquiry system of the invention based on RFID also has the advantages that：
(1), biggest advantage of the present invention is that finding vacant seat for student provides a kind of extremely convenient approach, not only
It can show the function of vacant amount of seats, moreover it is possible to the more specific location information of vacant seat is all shown by the positioning function of RFID,
Help to the full extent and facility are provided for student when finding vacant seat；
(2), the present invention not only ensure that very high vacant seat judgement precision, and counting with very strong to vacant seat
Real-time, can effectively save the quality time delayed when student reviews one's lessons on looking for seat, while to ensure library
Quiet environment also has certain effectiveness.
Brief description of the drawings
Fig. 1 is the structure diagram of library's vacant seat inquiry system based on RFID；
Fig. 2 is the locating module deployment schematic diagram in a certain sub-regions in library；
Fig. 3 is the flow chart of the update module renewal vacant seat positional information shown in Fig. 1.
Embodiment
The embodiment of the present invention is described below in conjunction with the accompanying drawings, so as to those skilled in the art preferably
Understand the present invention.Requiring particular attention is that in the following description, when known function and the detailed description of design perhaps
When can desalinate the main contents of the present invention, these descriptions will be ignored herein.
Embodiment
RFID：(Radio Frequency IDentification) radio frequency identification.The present invention is applicable not only to library
Vacant seat inquiry, be also applied for all kinds of large-scale places such as classroom, auditorium, meeting room.Below by taking school library as an example, to this hair
It is bright to elaborate, it is as follows：
Fig. 1 is the structure diagram of library's vacant seat inquiry system of the invention based on RFID.
In the present embodiment, as shown in Figure 1, a kind of library's vacant seat inquiry system based on RFID, including：Interaction mould
Block, data processing module, data memory module and locating module；
Interactive module, is made of, student passes through touch screen the multiple vacant seat inquiry intelligent terminal being deployed in library hall
Vacant seat inquiry intelligent terminal interface, input inquiry condition, that is, vacant seat inquiry are clicked on, vacant seat inquires about intelligent terminal again by the sky of input
Seat inquiry is input to data processing module, after waiting poll-final, and the vacant seat presentation of information inquired is inquired about intelligence in vacant seat
On energy terminal interface；
Data processing module, including enquiry module, map calling module and update module；Enquiry module receives vacant seat and looks into
After the vacant seat inquiry for asking intelligent terminal input, startup map calling module finds vacant seat inquiry in map information server and corresponds to
Region, enquiry module inquires about the area from the seat Basic Information Table SI of the seat information server in data memory module again
The seat information in domain, according to the OC fields in seat Basic Information Table SI, inquires about the occupancy situation at seat, seat information server
All vacant seat information of inquiry are returned into data processing module again, data processing module is returned by way of network transmission again
Intelligent terminal is inquired about back to vacant seat and is shown；
In the present embodiment, the flow of update module renewal vacant seat positional information is as shown in Fig. 2, when update module receives
After the coordinate position for the mobile RFID label that RFID reader is sent, by the seat in the coordinate position of reception and map datum table GI
Position coordinate compares, and the identical seat coordinate of coordinate is labeled as " 1 ", that is, is taken, the different seat coordinate of coordinate is labeled as
" 0 ", i.e., it is idle, then data memory module is sent to by way of network transmission, the seat in data memory module is basic
In information table SI, the list item of the S field identical with the coordinate value is found, the OC of the list item is updated according to the use state of the coordinate
Field, is finally stored in data memory module；
In the present embodiment, data processing module is deployed in school's central machine room；
One data memory module, including seat information server and map information server；
Seat information server, including a seat Basic Information Table SI；Seat Basic Information Table SI is by the seat in region
Position according to " ID, S, SN, AN, OC " field are stored, wherein, id field is the major key of seat Basic Information Table SI, and S fields are
The coordinate position at seat, SN fields are seat numbering, and AN fields be zone number, and OC fields are the occupancy situation at seat, " 1 " table
Show that the seat is in take, " 0 " represents that the seat is in the free time, wherein, the data of AN fields, SN fields and S fields pass through net
The mode of network transmission is directly imported from the map datum table GI in map information server；
Table 1 is the schematic diagram of seat Basic Information Table SI；
| ID | S | SN | AN | OC |
| 1 | (3,8) | 7 | A | 0 |
| 2 | (14,46) | 65 | B | 1 |
| 3 | (3,47) | 30 | B | 0 |
| 4 | (3,47) | 30 | C | 1 |
| 5 | (78,31) | 82 | E | 0 |
| … | … | … | … | … |
Table 1
In the present embodiment, as shown in table 1, first list item of seat Basic Information Table SI is " 1, (3,8), 7, A ", that is, refer to
In A areas of library, coordinate is on (3,8) position, seat numbering is 7, which is in idle condition.
Map information server, including a map datum table GI, for the seat in library to be divided into not same district
Domain, in each region, seat is again by " form of ID, AN, SN, S " are stored in map datum table GI；
Table 2 is the schematic diagram of map datum table GI；
| ID | AN | SN | S |
| 1 | A | 7 | (3,8) |
| 2 | B | 65 | (14,46) |
| 3 | B | 30 | (3,47) |
| 4 | C | 30 | (3,47) |
| 5 | E | 82 | (78,31) |
| … | … | … | … |
Table 2
In the present embodiment, as shown in table 2, first list item of map datum table GI is " 1, A, 7, (3,8) ", that is, refers to and scheming
In Shu Guan A areas, the coordinate position at the seat that seat numbering is 7 is (3,8).
One locating module, including RFID reader, reference location label and mobile RFID label；
In the present embodiment, first according to actual conditions such as the area in library, internal structures, library is divided into several
Rational region, we carry out the laying of locating module in each region.In the present embodiment, by taking one of region as an example,
As shown in figure 3, the region is carried out coordinatograph first, coordinate origin is set to some corner, then selects suitable unit
Range marker X, Y-axis, ensures that each seat and a coordinate (x, y) are corresponding in the region, and unique corresponding, then every
Several reference location labels are laid in a region, and RFID reader is laid in the appropriate location in each region, ensures that it is swept
Scope is retouched to be enough to cover whole library seats region；
If time interval 30s, RFID reader just carries out mobile RFID label all in the region every time 30s
Single pass, after the mobile RFID label that RFID reader scanning is carried to student, passes through the mobile RFID label that scans
The signal strength values of signal strength values and the reference location label being deployed in library, this is calculated using landmarc algorithms
The coordinate position of mobile RFID label is simultaneously sent to update module.
Wherein, the method for landmarc algorithms calculating mobile RFID tag coordinate is：
If the coordinate of reference location label is (xi,yi), i=1,2 ..., m, m represent reference location label number；Then
The coordinate of j-th of mobile RFID label is：
Wherein, k represents the number of the reference location label nearest apart from mobile RFID label to be positioned, EpiRepresent jth
The Euclidean distance of the signal strength scale difference of a mobile RFID label p and the i-th reference location label, EpjRepresent j-th
Mobile RFID label p and the euclidean of the mobile RFID target signal strength scale difference nearest apart from mobile RFID label p
Distance.
In the present embodiment, in order to which student is easy to carry, mobile RFID label can be embedded into student's mess card and obtain in student's identity card.
Although the illustrative embodiment of the present invention is described above, in order to the technology of the art
Personnel understand the present invention, it should be apparent that the invention is not restricted to the scope of embodiment, to the common skill of the art
For art personnel, if various change appended claim limit and definite the spirit and scope of the present invention in, these
Change is it will be apparent that all utilize the innovation and creation of present inventive concept in the row of protection.
Claims (3)
- A kind of 1. library's vacant seat inquiry system based on RFID, it is characterised in that including：Interactive module, is made of, student is clicked on by touch screen the multiple vacant seat inquiry intelligent terminal being deployed in library hall Vacant seat inquiry intelligent terminal interface, input inquiry condition, that is, vacant seat inquiry, vacant seat inquiry intelligent terminal again look into the vacant seat of input Inquiry is input to data processing module, after waiting poll-final, and the vacant seat presentation of information inquired is inquired about intelligence eventually in vacant seat Hold on interface；Data processing module, including enquiry module, map calling module and update module；After the enquiry module receives the vacant seat inquiry of vacant seat inquiry intelligent terminal input, start map calling module in map Vacant seat is found in information server and inquires about corresponding region, enquiry module is again from the seat information server in data memory module Seat Basic Information Table SI in inquire about the seat information in the region, according to the OC fields in seat Basic Information Table SI, inquiry All vacant seat information of inquiry are returned to data processing module, data by the occupancy situation at seat, seat information server again Processing module is returned to vacant seat inquiry intelligent terminal and shown by way of network transmission again；After the update module receives the coordinate position of the mobile RFID label of RFID reader transmission, by the coordinate bit of reception Put compared with the seat coordinate in map datum table GI, the identical seat coordinate of coordinate is labeled as " 1 ", that is, is taken, by coordinate Different seat coordinate is labeled as " 0 ", i.e., idle, then data memory module is sent to by way of network transmission, in number According in the seat Basic Information Table SI in memory module, the list item of the S field identical with the coordinate value is found, according to the coordinate Use state updates the OC fields of the list item, is finally stored in data memory module；Data memory module, including seat information server and map information server；The seat information server, including a seat Basic Information Table SI；Seat Basic Information Table SI is by the seat in region Position according to " ID, S, SN, AN, OC " field are stored, wherein, id field is the major key of seat Basic Information Table SI, and S fields are The coordinate position at seat, SN fields are seat numbering, and AN fields be zone number, and OC fields are the occupancy situation at seat, " 1 " table Show that the seat is in take, " 0 " represents that the seat is in the free time, wherein, the data of AN fields, SN fields and S fields pass through net The mode of network transmission is directly imported from the map datum table GI in map information server；The map information server, including a map datum table GI, for the seat in library to be divided into not same district Domain, in each region, seat is again by " form of ID, AN, SN, S " are stored in map datum table GI；Locating module, including RFID reader, reference location label and mobile RFID label；It is deployed in library hall RFID reader it is equally spaced scanning to student carry mobile RFID label, by the letter of the mobile RFID label scanned The signal strength values of number intensity level and the reference location label being deployed in library, the shifting is calculated using landmarc algorithms The coordinate position of dynamic RFID tag is simultaneously sent to update module.
- 2. library's vacant seat inquiry system according to claim 1 based on RFID, it is characterised in that the movement RFID tag can be embedded into student's mess card or student's identity card.
- 3. library's vacant seat inquiry system according to claim 1 based on RFID, it is characterised in that the landmarc Algorithm calculate mobile RFID tag coordinate method be：If the coordinate of reference location label is (xi,yi), i=1,2 ..., m, m represent the number of reference location label；Then j-th The coordinate of mobile RFID label is：Wherein, k represents the number of the reference location label nearest apart from mobile RFID label to be positioned, EpiRepresent j-th of shifting The Euclidean distance of the signal strength scale difference of dynamic RFID tag p and the i-th reference location label, EpjRepresent j-th of movement RFID tag p and the Euclidean distance of the mobile RFID target signal strength scale difference nearest apart from mobile RFID label p.
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| CN104536967B true CN104536967B (en) | 2018-04-13 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105069057A (en) * | 2015-07-27 | 2015-11-18 | 玉林师范学院 | RFID-based distributed big data automatic collection system for flow direction of college library readers and method of the collection system |
| CN105486300B (en) * | 2015-11-17 | 2018-07-06 | 广东欧珀移动通信有限公司 | The method and user terminal of a kind of indoor navigation |
| CN106779117A (en) * | 2016-12-01 | 2017-05-31 | 北京微影时代科技有限公司 | One kind is in line selection seat method and system |
| CN107633012A (en) * | 2017-08-17 | 2018-01-26 | 深圳市优品壹电子有限公司 | A kind of inquiry processing method, server and storage medium |
| CN107894728A (en) * | 2017-11-21 | 2018-04-10 | 大连大学 | Library's vacant seat detecting system |
| CN109740706A (en) * | 2018-12-26 | 2019-05-10 | 秒针信息技术有限公司 | Cheat inquiry system, the method and device of position state, storage medium, electronic device |
| CN110765229B (en) * | 2019-12-30 | 2020-05-05 | 广东东为信息技术有限公司 | Screening method for behavior abnormality of key personnel and storage medium thereof |
| CN112598993B (en) * | 2020-12-25 | 2024-06-07 | 平安国际智慧城市科技股份有限公司 | City map platform visualization method and device based on CIM and related products |
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