CN107284474B - The active positioning method of metallurgic railway rolling stock - Google Patents
The active positioning method of metallurgic railway rolling stock Download PDFInfo
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- CN107284474B CN107284474B CN201610189826.6A CN201610189826A CN107284474B CN 107284474 B CN107284474 B CN 107284474B CN 201610189826 A CN201610189826 A CN 201610189826A CN 107284474 B CN107284474 B CN 107284474B
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- locomotive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or vehicle trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or vehicle trains
- B61L25/025—Absolute localisation, e.g. providing geodetic coordinates
Abstract
The present invention relates to the accurate and real-time location methods of locomotive and vehicle in a kind of metallurgic railway system.A kind of active positioning method of metallurgic railway rolling stock, first, the positioning that track ground RFID label tag realizes locomotive position is read by RFID reader on locomotive, then the information between the RFID label tag of ground is modified by the information of locomotive tachometer, to show the positive location of locomotive；Second, the judgement that vehicle RFID label tag realizes locomotive dislodging vehicle is read by RFID reader on locomotive, while the movement that locomotive follows locomotive is mounted according to vehicle, can be achieved with positioning vehicle in real time by the positioning to locomotive.Localization method of the invention is able to achieve the accurate positioning to metallurgic railway locomotive and rolling stock.
Description
Technical field
The present invention relates to the accurate and real-time location methods more particularly to one of locomotive and vehicle in a kind of metallurgic railway system
The active positioning method of kind metallurgic railway rolling stock.
Background technique
Railway locomotive positioning method mainly has following 2 kinds at present, first is that China Patent No. CN00254083.5 discloses one
The locomotive positioner that kind is established using GPS positioning system, the locomotive positioner for mainly using GPS positioning system to establish,
Belong to electronic product.The device can be positioned, tracked and be achieved to the orientation where locomotive to be repaired automatically in operation
Positive error.The device detects the coordinate of locomotive and the variation of speed and time on locomotive head, then calculates the mobile position of locomotive
Shifting amount keeps the collection process of its operation displacement unrelated with locomotive equipment；And the place orientation by being predicted with ground
Compare, track, realizes and correct error in locomotive operation automatically and using aiding sensors, such as acceleration transducer, and realization
The means and method of locomotive non-blind area tracking.Second is that disclose a kind of torpedo tank car fixed by China Patent No. CN200610023410.3
Position and license number detection method and device " essentially discloses a kind of torpedo tank car positioning and license number detection method, is in each fish
Simultaneous number mark board is positioned equipped with one on thunder tank car, Installation Mark board is read on the ground rail railway roadbed of blast-melted filling point
Head；When torpedo tank car drives to filling position range, the position signal and sign board content that sign board read head will test are sent
To controller, controller sends license number and position to display alarm；Torpedo tank car is parked in designated position, and to the vehicle received
Number and location confirmation after, pass information to controller by acknowledgement key；In-position signal that sign board read head will test and
Sign board content is sent to controller, and the license number of the positioning scenarios of hot-metal ladle and carriage and hot-metal ladle and carriage is sent into the filling control of molten iron by controller
System processed carries out molten iron filling control and license number, filling number management.The patent can make the filling molten iron of torpedo tank car accurately fixed
Position, prevents from causing filling molten iron excessive because of position error, and filling number is counted and managed.
It can be seen that the technology that current metallurgic railway locomotive uses from two above patent and be divided into two kinds: first is that passing through GPS
Differential technique is accurately positioned, and another kind is positioned by ground transponder class (such as RFID).GPS Differential positioning skill
Art calculates the exact position of locomotive, reason by the data between comparison locomotive and base station by setting GPS differential reference station
By its upper positioning accuracy that can achieve 2m, railway line (spacing minimum 5m) can be accurately distinguished to a certain extent.But GPS is poor
Point location technology is primarily present following disadvantage: 1) since metallurgic railway needs to pass through from industrial premises region, and in workshop
Within and around near large workshop, GPS signal is often subject to shield, and position error can be gradually increased to 5m or more, causes
The problems such as locomotive position can not be accurately positioned, cause that locomotive is motionless or locomotive wrong line.2) bad weather condition also influences whether
GPS signal causes locomotive that can not be accurately positioned.
Ground transponder location technology is to install transponder on locomotive or vehicle, passes through the reading equipment installed on the ground
The content of transponder on locomotive or vehicle is read, and obtains the vehicle number information of current locomotive or vehicle to Context resolution.At present
This technology the main problems are as follows: 1) acquisition of locomotive or current vehicle position mainly by ground read equipment, ground
Upper reading equipment arrangement is more, and locomotive or vehicle location are more accurate, but cost is higher；Equipment is read on the ground arranges fewer, locomotive
Or vehicle location will appear jump, cannot know the current location of locomotive or vehicle in real time.2) it is general to read equipment on the ground at present
It needs to take electricity from positions such as railway signals, the cumbersome and maintenance difficulties that cause to construct are big.
Summary of the invention
The purpose of the present invention is to provide a kind of active positioning method of metallurgic railway rolling stock, which can be real
Now to the accurate positioning of metallurgic railway locomotive and rolling stock.
In order to achieve the above technical purposes, the present invention adopts the following technical scheme:
A kind of active positioning method of metallurgic railway rolling stock, first, track is read by RFID reader on locomotive
Ground RFID label tag realizes the positioning of locomotive position, then passes through the information of locomotive tachometer to the information between the RFID label tag of ground
It is modified, to show the positive location of locomotive；Second, vehicle RFID label tag is read by RFID reader on locomotive and is realized
The judgement of locomotive dislodging vehicle, while the movement that locomotive follows locomotive is mounted according to vehicle, it can be real by the positioning to locomotive
Now vehicle is positioned in real time.
The localization method comprises the concrete steps that:
1) RFID label tag adds information, stores a unique identifier to each label；RFID reader is placed in machine
Che Shang, and four antennas are arranged in RFID reader, and two of them antenna is arranged on locomotive front/rear end, for reading vehicle
RFID label tag, two antennas are set as locomotive bottom, for reading ground RFID label tag；
2) ground RFID label tag identifier pass corresponding with geographical location, vehicle RFID label tag identifier and vehicle number is established
It is table, in which: each ground RFID label tag identifier corresponds to unique geographical location, and each vehicle RFID label tag identifier is corresponding
One vehicle license number；
3) RFID reader passes through four antenna transmitting signals at regular intervals；
4) it after ground RFID label tag and vehicle RFID label tag receive signal, is activated, and feedback signal；
5) RFID reader passes through antenna monitoring signals after emitting signal, if receiving ground RFID within a certain period of time
The feedback signal of label and/or vehicle RFID label tag, identifies and is converted into RFID label tag identifier ID, and by the information of the antenna
It is set to RFID label tag identifier ID；If not receiving ground RFID label tag and/or vehicle RFID label tag within a certain period of time
Feedback signal, then the information of antenna is sky；The information of four antennas is formed into a message after monitoring signals, passes to work
Control machine message queue；
6) message queue is handled as follows in industrial personal computer:
6.1) judge whether message queue has message；There is no message then to continue to read message queue；Message queue, which has, to disappear
Breath, then read a piece of news, and delete a piece of news of message queue, subsequent message promoted to sequence in order；
6.2) message read is made the following judgment:
6.2.1) judge whether to receive ground RFID label tag identifier ID；If receiving ground RFID label tag identifier
ID updates the location information of locomotive according to the tag identification number and mapping table, and tachometer information is reset；If no
Ground RFID label tag identifier ID is received, then the information for the locomotive tachometer that adds up in locomotive location information in front is formed new
Locomotive location information；
6.2.2) judge whether to receive vehicle RFID label tag identifier ID；If receiving vehicle RFID label tag identifier
ID then illustrates that locomotive is operated together with vehicle, this binds the vehicle together with locomotive, locomotive position and vehicle location one
It causes；
6.2.3) if not receiving vehicle RFID label tag identifier ID, judge whether the locomotive last time binds vehicle；Such as
The fruit locomotive last time binds vehicle, and this does not receive vehicle RFID label tag identifier ID, illustrates that vehicle just breaks off relations, then exists
It is in this that vehicle progress of locomotive and last time binding is unbinding, and the stoppage of vehicle is no longer become in upper primary position
It is dynamic；If the locomotive last time does not bind vehicle, illustrate locomotive isolated operation always.
The active positioning method of metallurgic railway rolling stock of the present invention is by RFID reader reading track on locomotive
Face RFID passive label realizes the positioning of locomotive position, then passes through the information of locomotive tachometer between the RFID passive label of ground
Information be modified, thus obtain locomotive positioning；Vehicle RFID passive label is read by RFID reader on locomotive to realize
The judgement of locomotive dislodging vehicle, while the movement that locomotive follows locomotive is mounted according to vehicle, it can be real by the positioning to locomotive
Now vehicle is positioned in real time.The localization method is able to achieve the accurate positioning to metallurgic railway locomotive and rolling stock, effectively
The technique railway dispatching for improving smelter to the control degree of produced on-site transportational process.
The beneficial effect of the active positioning method of metallurgic railway rolling stock of the present invention is:
By the localization method, motive power control personnel can know the position of locomotive and vehicle in real time.Motive power control personnel
It is tracked by the job scheduling to locomotive, first is that the work of locomotive can be estimated with the job state of dynamic knowledge locomotive and accordingly
The industry time reduces the residence time of locomotive, improves the use of locomotive so as to timely arrange locomotive to carry out next step operation
Efficiency；Second is that can track whether trainman exercises according to dispatch command, timely correction trainman's operation process
Fault；Third is that, when locomotive is by intersection operation is carried out, can be carried out to relevant trainman to the real-time tracking of multiple locomotives
It reminds, it is ensured that the safety of driver's operation；Fourth is that can be quickly and easily selected when meeting operation the real-time tracking of multiple locomotives
Nearest locomotive carries out operation, so as to improve the response speed of locomotive, it is ensured that the efficient execution of field operation.
Detailed description of the invention
Fig. 1 is the active positioning method flow chart of metallurgic railway rolling stock of the present invention；
Fig. 2 is the active location system block diagram of metallurgic railway rolling stock；
Fig. 3 is the active location system schematic diagram of metallurgic railway rolling stock.
In figure: 1 industrial personal computer, 2 RFID readers, 3 are installed on the RFID antenna of locomotive front end face, and 4 are installed on locomotive front end
The RFID antenna at vehicle bottom, 5 are installed on the RFID antenna at locomotive rear end vehicle bottom, and 6 are installed on the RFID antenna of locomotive rear end face, 7 peaces
RFID label tag loaded on front of the car face, 8 are installed on the RFID label tag in rear vehicle end face, and 9 are installed on rail track sleeper
RFID label tag, 10 are installed on the tachometer on locomotive.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
The technical way that a kind of active positioning method of metallurgic railway rolling stock uses is RFID technique, RFID skill
Art equipment generally consists of three parts: 1) RFID label tag (Tag): being made of coupling element and chip, and label contains built-in antenna,
For being communicated between radio-frequency antenna.2) RFID reader (Reader): (can also be written in read-write card) label is read
The equipment of information.3) radiofrequency signal antenna: is transmitted between label and reader.The groundwork process of RFID technique is: RFID
Reader sends the radiofrequency signal of certain frequency, the generation when RFID label tag enters transmitting antenna working region by transmitting antenna
Induced current, RFID label tag obtain energy and are activated；RFID label tag is by information such as itself codings by blocking built-in transmission antenna hair
It sees off；RFID reader receiving antenna receives the carrier signal sent from RFID label tag, solves to received signal
The decoding that reconciles is then delivered to backstage main system and carries out relevant treatment.
Referring to figs. 2 and 3, a kind of active location system of metallurgic railway rolling stock, comprising: be installed on locomotive
RFID reader 2, RFID antenna, industrial personal computer 1 and tachometer 10 are installed on the RFID label tag 7,8 of vehicle front and rear end, and
The RFID label tag 9 being installed on rail track sleeper；Locomotive Central Control Room is equipped with industrial personal computer 1, and industrial personal computer 1 is connect by RS-232-C
Mouth is connected with RFID reader 2, and industrial personal computer 1 passes through the tachometer 10 on interface connection locomotive.
There are four the RFID antennas, is respectively installed on the RFID antenna 3 of locomotive front end face, is installed on locomotive rear end face
RFID antenna 6, the RFID antenna 5 that is installed on the RFID antenna 4 at locomotive front end vehicle bottom and is installed on locomotive rear end vehicle bottom；
RFID reader 2 is mounted on locomotive Central Control Room, 2 external four RFID antennas 3,4,5,6 of RFID reader.
The RFID antenna 4 for being installed on locomotive front end vehicle bottom and the RFID antenna 5 for being installed on locomotive rear end vehicle bottom are used to
Read the RFID label tag 9 being installed on rail track sleeper；The RFID antenna 3 for being installed on locomotive front end face and it is installed on machine
The RFID antenna 6 of vehicle rear end face is used to read vehicle tag.In view of the characteristic of metallurgic railway high temperature, also increase in RFID antenna
Heat-insulation device is added.
The RFID label tag 9 being installed on rail track sleeper is embedded among pillow top, is stored with unique
Address information.RFID label tag 9 is mostly installed at the key position of locomotive operation, such as 3 trouble sections of track switch, workshop doorway, and
On longer straightway.The RFID label tag 7,8 for being installed on vehicle front and rear end, is stored with the vehicle number information of vehicle.It examines
Consider RFID active label and needs external power supply, the problem that construction will be brought to be routed, and in view of metallurgic railway industrial environment is multiple
Miscellaneous, floor-dust is more, therefore using the RFID passive label of hyperfrequency.
A kind of active positioning method of metallurgic railway rolling stock, step is, referring to Fig. 1:
First, the positioning that track ground RFID label tag 9 realizes locomotive position is read by RFID reader 2 on locomotive, then
The information between the RFID label tag of ground is modified by the information of locomotive tachometer 10, to show that the active of locomotive is fixed
Position；
Second, the judgement that vehicle RFID label tag 7,8 realizes locomotive dislodging vehicle is read by RFID reader 2 on locomotive,
The movement that locomotive follows locomotive is mounted according to vehicle simultaneously, it is fixed in real time to can be achieved with carrying out vehicle by the positioning to locomotive
Position.
The active positioning method of the metallurgic railway rolling stock comprises the concrete steps that:
1, RFID label tag adds information, stores a unique identifier to each label；RFID reader is placed in machine
Che Shang, and four antennas are arranged in RFID reader, and two of them antenna is arranged on locomotive front/rear end, for reading vehicle
RFID label tag, two antennas are set as locomotive bottom, for reading ground RFID label tag；
2, ground RFID label tag identifier pass corresponding with geographical location, vehicle RFID label tag identifier and vehicle number is established
It is table, in which: each ground RFID label tag identifier corresponds to unique geographical location, and each vehicle RFID label tag identifier is corresponding
One vehicle license number；
3, RFID reader passes through four antenna transmitting signals at regular intervals；
4, it after ground RFID label tag and vehicle RFID label tag receive signal, is activated, and feedback signal；
5, RFID reader passes through antenna monitoring signals after emitting signal, if in certain time (than the transmitting signal period
It is short) in receive the feedback signal of ground RFID label tag and/or vehicle RFID label tag, identify and be converted into RFID label tag identifier
ID, and the information of the antenna is set to RFID label tag identifier ID；If not having in certain time (shorter than the transmitting signal period)
The feedback signal of ground RFID label tag and/or vehicle RFID label tag is received, then the information of antenna is sky；After monitoring signals
The information of four antennas is formed into a message, passes to industrial personal computer message queue；
6, message queue is handled as follows in industrial personal computer:
6.1 judge whether message queue has message；There is no message then to continue to read message queue；Message queue has message,
A piece of news is then read, and deletes a piece of news of message queue, subsequent message is promoted to sequence in order；
6.2 pairs of message read make the following judgment:
6.2.1 judge whether receive the ground RFID label tag identifier ID(i.e. information of locomotive bottom RFID antenna
For sky), determining for locomotive is updated according to the tag identification number and mapping table if receiving ground RFID label tag identifier ID
Position information, and tachometer information is reset；If being not received by ground RFID label tag identifier ID, locomotive positioning in front is believed
The information of cumulative locomotive tachometer, forms new locomotive location information on breath；
6.2.2 judge whether to receive the vehicle RFID label tag identifier ID(i.e. information of locomotive front/rear end RFID antenna
Whether it is empty), if receiving vehicle RFID label tag identifier ID, illustrate that locomotive is operated together with vehicle, this is by the vehicle
It is bound together with locomotive, locomotive position and vehicle location are consistent；
If 6.2.3 not receiving vehicle RFID label tag identifier ID, judge whether the locomotive last time binds vehicle, such as
The fruit locomotive last time binds vehicle, and this does not receive vehicle RFID label tag identifier ID, illustrates that vehicle just breaks off relations, then exists
It is in this that vehicle progress of locomotive and last time binding is unbinding, and the stoppage of vehicle is no longer become in upper primary position
It is dynamic；If the locomotive last time does not bind vehicle, illustrate locomotive isolated operation always；
The above is merely preferred embodiments of the present invention, it is not intended to limit the protection scope of invention, it is therefore, all at this
Any modification, equivalent replacement, improvement and so within the spirit and principle of invention, should be included in protection scope of the present invention
Within.
Claims (1)
1. a kind of active positioning method of metallurgic railway rolling stock, it is characterized in that:
First, track ground RFID label tag is read by RFID reader on locomotive and realizes the positioning of locomotive position, then passes through machine
The information of vehicle tachometer is modified the information between the RFID label tag of ground, to show the positive location of locomotive；
Second, the judgement that vehicle RFID label tag realizes locomotive dislodging vehicle, while basis are read by RFID reader on locomotive
Vehicle mounting locomotive follows the movement of locomotive, can be achieved with positioning vehicle in real time by the positioning to locomotive；
The step of localization method, is:
1) RFID label tag adds information, stores a unique identifier to each label；RFID reader is placed on locomotive,
And four antennas are arranged in RFID reader, and two of them antenna is arranged on locomotive front/rear end, for reading vehicle RFID
Label, two antennas are set as locomotive bottom, for reading ground RFID label tag；
2) corresponding relationship of ground RFID label tag identifier and geographical location, vehicle RFID label tag identifier and vehicle number is established
Table, in which: each ground RFID label tag identifier corresponds to unique geographical location, each vehicle RFID label tag identifier corresponding one
A vehicle license number；
3) RFID reader passes through four antenna transmitting signals at regular intervals；
4) it after ground RFID label tag and vehicle RFID label tag receive signal, is activated, and feedback signal；
5) RFID reader passes through antenna monitoring signals after emitting signal, if receiving ground RFID label tag within a certain period of time
And/or the feedback signal of vehicle RFID label tag, RFID label tag identifier ID is identified and is converted into, and the information of the antenna is set to
RFID label tag identifier ID；If not receiving the feedback of ground RFID label tag and/or vehicle RFID label tag within a certain period of time
Signal, then the information of antenna is sky；The information of four antennas is formed into a message after monitoring signals, passes to industrial personal computer
Message queue；
6) message queue is handled as follows in industrial personal computer:
6.1) judge whether message queue has message；There is no message then to continue to read message queue；Message queue has message, then reads
A piece of news is taken, and deletes a piece of news of message queue, subsequent message is promoted to sequence in order；
6.2) message read is made the following judgment:
6.2.1) judge whether to receive ground RFID label tag identifier ID；If receiving ground RFID label tag identifier ID, root
According to the tag identification number and mapping table, the location information of locomotive is updated, and tachometer information is reset；If being not received by
Ground RFID label tag identifier ID, the then information for the locomotive tachometer that adds up in locomotive location information in front, forms new locomotive
Location information；
6.2.2) judge whether to receive vehicle RFID label tag identifier ID；If receiving vehicle RFID label tag identifier ID,
Illustrate that locomotive is operated together with vehicle, this binds the vehicle together with locomotive, and locomotive position and vehicle location are consistent；
6.2.3) if not receiving vehicle RFID label tag identifier ID, judge whether the locomotive last time binds vehicle；If machine
The vehicle last time binds vehicle, and this does not receive vehicle RFID label tag identifier ID, illustrates that vehicle just breaks off relations, then at this
The middle vehicle progress by locomotive and last time binding is unbinding, and the stoppage of vehicle is no longer changed in upper primary position；Such as
The fruit locomotive last time does not bind vehicle, illustrates locomotive isolated operation always.
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| JP7349726B2 (en) | 2018-01-12 | 2023-09-25 | 株式会社NejiLaw | Information dissemination system |
| CN110033057A (en) * | 2018-01-12 | 2019-07-19 | 吉旗物联科技（上海）有限公司 | Vehicle based on RFID technique hangs matching automatic identification device and method |
| DE102020121242B3 (en) * | 2020-08-12 | 2021-12-09 | TMT - Tapping Measuring Technology GmbH | Method for monitoring a torpedo vehicle and torpedo vehicle monitoring system |
| CN112224243B (en) * | 2020-10-16 | 2022-04-01 | 马鞍山钢铁股份有限公司 | Real-time monitoring method for dynamic information of position of torpedo hot metal mixer car |
| CN114227892A (en) * | 2022-03-01 | 2022-03-25 | 深圳艾灵网络有限公司 | Concrete pouring system, control method, device and control equipment |
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