CN110082705A - Subway column inspection operating personnel's localization method - Google Patents
Subway column inspection operating personnel's localization method Download PDFInfo
- Publication number
- CN110082705A CN110082705A CN201910355832.8A CN201910355832A CN110082705A CN 110082705 A CN110082705 A CN 110082705A CN 201910355832 A CN201910355832 A CN 201910355832A CN 110082705 A CN110082705 A CN 110082705A
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- CN
- China
- Prior art keywords
- operating personnel
- operating area
- operating
- positioning
- dimensional
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/04—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/08—Systems for determining direction or position line
- G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
- G01S1/24—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being pulses or equivalent modulations on carrier waves and the transit times being compared by measuring the difference in arrival time of a significant part of the modulations, e.g. LORAN systems
Abstract
The present invention relates to subways to arrange inspection operating personnel's localization method, and operating personnel realizes operating personnel in the one-dimensional positioning of operating area using the electronic tag at the import and export of hand-held set scanning operation region；Realize the two-dimensional localization to operating personnel in operating area to the real-time positioning of target labels by the locating base station being fixedly installed on the track bridge of operating area station track two sides again.The invention firstly uses RFID techniques first to carry out accurately one-dimensional positioning to operating personnel, judges whether operating personnel enters operating area, and equipment cost is lower and one-dimensional positioning precision is high；After operating personnel enters operating area, two-dimensional localization is carried out using the target labels that UWB technology carries it, good in anti-interference performance, stability are strong, positioning accuracy is high and positioning refreshing frequency is fast, can be in operation track of the host computer real-time display operating personnel in operating area, and can retain.
Description
Technical field
The present invention relates to subways to arrange inspection technical field, and in particular to a kind of subway column inspection operating personnel's localization method.
Background technique
For subway train during upkeep operation, the safety of operating personnel is the premise that upkeep operation is smoothly carried out, maintenance
Quality is the important indicator of upkeep operation.It is that the safety that can not ignore is hidden that operating personnel, which enters danger zone, in upkeep operation region
Suffer from, the operating personnel position of service work and duration in service area are the bases for reflecting train overhaul position and repair quality
Plinth index.
Subway train maintenance library is one relative to more closed environment, and operating area is more in library, and environment is more complex, blocks
Object is more, and positioning difficulty is larger, and for positioning accuracy request height.In current train maintenance business, in library operating personnel position
Positioning mainly realize that the mode of patrolling stick manual positioning is due to needing service personnel in such a way that patrolling stick incudes manually
With the intervention of fixed reader, orientation range is fixed and limited coverage area.
Summary of the invention
The object of the present invention is to provide a kind of subways to arrange inspection operating personnel's localization method, passes through RFID technique and UWB technology
It combines and completes in subway train maintenance library that operating personnel enters the actual location behind upkeep operation region during upkeep operation,
Solve orientation problem of the staff in service area.
The technical scheme adopted by the invention is as follows:
Subway column inspection operating personnel's localization method, it is characterised in that:
It is realized by following steps:
Operating personnel realizes operating personnel in operating area using the electronic tag at the import and export of hand-held set scanning operation region
One-dimensional positioning；
It is real to the real-time positioning of target labels by the locating base station being fixedly installed on the track bridge of operating area station track two sides again
The now two-dimensional localization to operating personnel in operating area.
One-dimensional positioning is realized based on RFID technique, and RFID positioning unit is set at the import and export of operating area and work
Industry personnel carry, and are connected by wireless WiFi with information processing and display system, for detecting whether operating personnel enters
Operating area.
RFID positioning unit includes electronic tag and hand-held set；
Electronic tag is set at the import and export of operating area, for marking operating area range；
Hand-held set is carried by operating personnel, by scanning the electronic tag, for whether detecting operating personnel into and out of work
Industry region.
Two-dimensional localization is realized based on UWB technology, and UWB positioning unit is set to operating area two sides and operating personnel
It carries, is connected by RJ45 cable or wireless WiFi with information processing and display system, entered for detecting operating personnel
Two-dimensional localization behind operating area.
UWB positioning unit includes target labels and locating base station；
Target labels are carried by operating personnel, are powered using button cell, and non-sinusoidal waveform burst pulse is emitted；
Locating base station is set to the fixed position in maintenance library platform station track two sides, for receiving the target labels transmitting pulse.
Information processing and display system include server and host computer；
Server is set in information machine room, for receiving RFID the and UWB positioning unit data, and is calculated, is stored；
Host computer is set in control room, for receiving the calculated location information of server and making in software interface real-time display
The location information and motion profile of industry personnel.
It is single to the power supply of UWB positioning unit and UWB positioning unit and information processing and display using power supply and communication unit
Data are transmitted between member；
Power supply and communication unit include front end optical transmitter and receiver, rear end optical transmitter and receiver and core switch；
Front end optical transmitter and receiver is set in maintenance library platform station track two sides equipment box, is connected by RJ45 cable with locating base station, is used
In locating base station power supply and data exchange, pass through wireless WiFi and hand-held set communication simultaneously；
Rear end optical transmitter and receiver is set in information machine room, is used for and front end optical transmitter and receiver data exchange；
Core switch is set in information machine room, is connected by RJ45 cable with rear end optical transmitter and receiver, server, host computer, is used
In data exchange.
The invention has the following advantages that
The invention firstly uses RFID techniques first to carry out accurately one-dimensional positioning to operating personnel, judges whether operating personnel enters
Operating area, equipment cost is lower and one-dimensional positioning precision is high；After operating personnel enters operating area, UWB technology pair is utilized
Its target labels carried carries out two-dimensional localization, and UWB technology using the non-sinusoidal waveform burst pulse of nanosecond to picosecond grade due to being passed
Transmission of data, therefore good in anti-interference performance, stability are strong, positioning accuracy is high and positioning refreshing frequency is fast, can show in real time in host computer
Show that operating personnel in the operation track of operating area, and can retain.
Detailed description of the invention
Fig. 1 is present system composition figure.
Fig. 2 is present device system diagram.
Fig. 3 is present device layout drawing.
Fig. 4 is work flow diagram of the present invention.
Specific embodiment
The present invention will be described in detail With reference to embodiment.
RFID, also known as radio frequency identification are a kind of communication technologys, are commonly called as electronic tag.It can be known by radio signals
Other specific objective simultaneously reads and writes related data, without establishing mechanical or optical contact between identifying system and specific objective.At this
By RFID technique in method, at subway train maintenance library different work area entry and electronic tag is fixed in exit, is made
Industry personnel are by hand-held set scanning electron label to carry out the positioning that first step positioning is operating area to operating personnel.
UWB, that is, no-load communication techniques transmits data using the non-sinusoidal waveform burst pulse of nanosecond to picosecond grade.Originally it is doing
In method, locating base station is installed on subway train maintenance library station track two sides track bridge, operating personnel carries target labels, target mark
A series of very narrow low powder pulsed signals of the emitter low-power on wider frequency spectrum are signed, locating base station receives pulse letter
The data frame for number calculating target labels reaches the time of antenna for base station, while sending data to server, server system
The position of target labels is calculated and by real-time data transmission to host computer in column algorithm, and upper computer software interface simultaneous display is made
Industry personnel location information realizes the two-dimensional localization in the second positioning i.e. operating area to operating personnel, while reserved data
Interface.So far the actual location method after entering upkeep operation region to operating personnel in subway train service shop is completed.
The present invention relates to a kind of subways to arrange inspection operating personnel's localization method, is combined by RFID technique and UWB technology
Localization method realizes two-dimensional localization of the operating personnel in operating area, is specifically realized by following steps:
Operating personnel realizes operating personnel in operating area using the electronic tag at the import and export of hand-held set scanning operation region
One-dimensional positioning；The real-time of target labels is determined by the locating base station being fixedly installed on the track bridge of operating area station track two sides again
Realize the two-dimensional localization to operating personnel in operating area in position.
One-dimensional positioning is realized based on RFID technique, and RFID positioning unit is set at the import and export of operating area and work
Industry personnel carry, and are connected by wireless WiFi with information processing and display system, for detecting whether operating personnel enters
Operating area.RFID positioning unit includes electronic tag and hand-held set；Electronic tag is set at the import and export of operating area, is used
In label operating area range；Hand-held set is carried by operating personnel, by scanning the electronic tag, for detecting operation
Whether personnel are into and out of operating area.
Two-dimensional localization is realized based on UWB technology, and UWB positioning unit is set to operating area two sides and operating personnel
It carries, is connected by RJ45 cable or wireless WiFi with information processing and display system, entered for detecting operating personnel
Two-dimensional localization behind operating area.UWB positioning unit includes target labels and locating base station；Target labels are carry-on by operating personnel
It carries, is powered using button cell, emit non-sinusoidal waveform burst pulse；Locating base station is set to maintenance library platform station track two sides and fixes
Position, for receiving the target labels transmitting pulse.Target labels can be attached on the hand-held set.
Information processing and display system include server and host computer；Server is set in information machine room, for receiving
RFID the and UWB positioning unit data, and calculate, store；Host computer is set in control room, is calculated for receiving server
Location information out and in the location information and motion profile of software interface real-time display operating personnel.
The present invention powered using power supply and communication unit to UWB positioning unit and UWB positioning unit and information processing and
Data are transmitted between display unit；Power supply and communication unit include front end optical transmitter and receiver, rear end optical transmitter and receiver and core switch；Front end
Optical transmitter and receiver is set in maintenance library platform station track two sides equipment box, is connected by RJ45 cable with locating base station, for positioning base
Stand power supply and data exchange simultaneously by wireless WiFi and the hand-held set communication；Rear end optical transmitter and receiver is set in information machine room,
For with front end optical transmitter and receiver data exchange；Core switch is set in information machine room, by RJ45 cable and rear end optical transmitter and receiver,
Server, host computer are connected, and are used for data exchange.Communication module can use WiFi replacement wireless in library, and wireless WiFi is not in we
In method.
The process of inventive constructs reason structure are as follows:
1, it overhauls each operation station track in library and is divided into one, two column positions, each column position is divided into trench and trench arranged on left and right sides three again
RFID electronic label is installed in each operating area import and export position in a operating area respectively.
2, hand-held set is carried by operating personnel, is communicated by wireless WiFi and front end optical transmitter and receiver, be can be used to scan electricity
Whether subtab, positioning operation personnel enter operating area.
3, target labels are powered using button cell, and size is small, and battery service life is long, can be attached on the hand-held set,
It could be secured on the service kit for needing to position, for emitting pulse.
4, parameter is arranged according to topological structure in locating base station, so that can be interconnected between base station, and disposed respectively
It is mounted on the station track two sides track bridge of maintenance library platform, as shown in figure 3, spacing is 15m, for receiving target labels transmitting
Pulse.
5, front end optical transmitter and receiver is installed on the station track two sides track bridge of maintenance library platform in equipment box, by cable and is determined
Position base station is connected, and is connected by wireless WiFi with hand-held set, has both to locating base station power supply and communication function.
6, rear end optical transmitter and receiver is installed in information machine room, is connected by optical fiber with front end optical transmitter and receiver 14, is turned for data
It changes.
7, core switch is installed in information machine room, is connected by RJ45 cable with rear end optical transmitter and receiver 15, and data are used for
Exchange.
8, server is arranged in information machine room, is connected by RJ45 cable with core switch, carries out data processing；
9, host computer is arranged in control room, is connected by RJ45 cable with core switch, passes through software interface real-time display
The location information and motion profile of target labels.
Working principle is as follows:
1, RFID electronic label is pasted at each operating area import and export, is swept when operating personnel is into and out of operating area by hand-held set
Retouch electronic tag, hand-held set is by wireless network by real-time data transmission to server, and server process data, host computer is real-time
Show the operating area where operating personnel.Operating personnel enters error job region simultaneously or time-out enters, leaves operation area
When domain, the data that function receives server passback are held, real-time display feedback information simultaneously prompts.
2, target labels, frequency repeat its transmission of the target labels to be exceedingly fast are carried when operating personnel enters operating area
Nanosecond to picosecond non-sinusoidal waveform burst pulse, locating base station receive target labels transmitting pulse signal, utilize high sensitivity
Short pulse detector measures the pulse that target labels are sent and reaches the time of locating base station antenna, and in real time sends data information
To server, the data that server by utilizing locating base station sends over determine that target labels reach between different locating base stations
Time difference, locating base station position is it is known that calculate target labels position, storage location using triangulation location technology and optimization algorithm
Information, and real-time position information data are transmitted to host computer, host computer passes through the real-time position of software interface displaying target label
It sets and motion profile.
The contents of the present invention are not limited to cited by embodiment, and those of ordinary skill in the art are by reading description of the invention
And to any equivalent transformation that technical solution of the present invention is taken, all are covered by the claims of the invention.
Claims (7)
1. subway column inspection operating personnel's localization method, it is characterised in that:
It is realized by following steps:
Operating personnel realizes operating personnel in operating area using the electronic tag at the import and export of hand-held set scanning operation region
One-dimensional positioning；
It is real to the real-time positioning of target labels by the locating base station being fixedly installed on the track bridge of operating area station track two sides again
The now two-dimensional localization to operating personnel in operating area.
2. subway column inspection operating personnel's localization method according to claim 1, it is characterised in that:
One-dimensional positioning is realized based on RFID technique, and RFID positioning unit is set at the import and export of operating area and operation people
Member carries, and is connected by wireless WiFi with information processing and display system, for detecting whether operating personnel enters operation
Region.
3. subway column inspection operating personnel's localization method according to claim 2, it is characterised in that:
RFID positioning unit includes electronic tag and hand-held set；
Electronic tag is set at the import and export of operating area, for marking operating area range；
Hand-held set is carried by operating personnel, by scanning the electronic tag, for whether detecting operating personnel into and out of work
Industry region.
4. subway column inspection operating personnel's localization method according to claim 3, it is characterised in that:
Two-dimensional localization is realized based on UWB technology, UWB positioning unit is set to carry-on with operating area two sides and operating personnel
It carries, is connected by RJ45 cable or wireless WiFi with information processing and display system, enters operation for detecting operating personnel
Two-dimensional localization behind region.
5. subway column inspection operating personnel's localization method according to claim 4, it is characterised in that:
UWB positioning unit includes target labels and locating base station；
Target labels are carried by operating personnel, are powered using button cell, and non-sinusoidal waveform burst pulse is emitted；
Locating base station is set to the fixed position in maintenance library platform station track two sides, for receiving the target labels transmitting pulse.
6. subway column inspection operating personnel's localization method according to claim 5, it is characterised in that:
Information processing and display system include server and host computer；
Server is set in information machine room, for receiving RFID the and UWB positioning unit data, and is calculated, is stored；
Host computer is set in control room, for receiving the calculated location information of server and making in software interface real-time display
The location information and motion profile of industry personnel.
7. subway column inspection operating personnel's localization method according to claim 6, it is characterised in that:
Powered using power supply and communication unit to UWB positioning unit and UWB positioning unit and information processing and display unit it
Between data transmit；
Power supply and communication unit include front end optical transmitter and receiver, rear end optical transmitter and receiver and core switch；
Front end optical transmitter and receiver is set in maintenance library platform station track two sides equipment box, is connected by RJ45 cable with locating base station, is used
In locating base station power supply and data exchange, pass through wireless WiFi and hand-held set communication simultaneously；
Rear end optical transmitter and receiver is set in information machine room, is used for and front end optical transmitter and receiver data exchange；
Core switch is set in information machine room, is connected by RJ45 cable with rear end optical transmitter and receiver, server, host computer, is used
In data exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910355832.8A CN110082705A (en) | 2019-04-29 | 2019-04-29 | Subway column inspection operating personnel's localization method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910355832.8A CN110082705A (en) | 2019-04-29 | 2019-04-29 | Subway column inspection operating personnel's localization method |
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| CN110082705A true CN110082705A (en) | 2019-08-02 |
Family
ID=67417621
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| CN201910355832.8A Pending CN110082705A (en) | 2019-04-29 | 2019-04-29 | Subway column inspection operating personnel's localization method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111556444A (en) * | 2020-04-24 | 2020-08-18 | 深圳市广联智通科技有限公司 | Intelligent worker card positioning method and system |
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Application publication date: 20190802 |
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