CN107664974A - A kind of train autonomous operation system based on UWB rangings - Google Patents
A kind of train autonomous operation system based on UWB rangings Download PDFInfo
- Publication number
- CN107664974A CN107664974A CN201711039296.8A CN201711039296A CN107664974A CN 107664974 A CN107664974 A CN 107664974A CN 201711039296 A CN201711039296 A CN 201711039296A CN 107664974 A CN107664974 A CN 107664974A
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- Prior art keywords
- uwb
- processing unit
- signal processing
- module
- train
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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
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a kind of train autonomous operation system based on UWB rangings, including signal processing unit, communication module, train control unit, wheel shaft rotating speed module and radar velocity measurement module, the wheel shaft rotating speed module and the output end of radar velocity measurement module electrically connect with the input of signal processing unit, the output end of the signal processing unit electrically connects with train control unit, and signal processing unit electrically connects with communication module, the communication module passes through wireless signal connection server, the signal processing unit is connected with UWB range finder modules, the UWB range finder modules include UWB generators, base band, microprocessor and UWB antennas.The train autonomous operation system based on UWB rangings of the present invention has that energy consumption is low, and ranging accuracy is high, and signal penetration capacity is strong, can realize positioning distance measuring in the case where the signal is weak using multiple correction and then can ensure the accuracy of autonomous operation.
Description
Technical field
The present invention relates to Train Operation Control Technology technical field, more particularly to a kind of train based on UWB rangings are autonomous
Runtime.
Background technology
Compared to other countries of the world, China region is wide, and various landform and various regions weather, environment are sufficiently complex, and railway is existing
Some Train Transportation Simulation Systems lack train from automatic ability of advocating peace, and in general Train Transportation Simulation System is difficult to possess region and day
The adaptability of gas.For example, in mountain region area, gps signal can not be received all the time using the train of GPS technologies；Using micro-
The train of ripple or short wave communication can not also ensure the communication normality under emergency case.
Ultra-wideband pulse has range accuracy is high, penetration capacity is strong, resolution capability is high, anti-stealth capability is good, power consumption is low etc.
Advantage.In recent years, contactless tracking detection has been carried out for the moving target of wall behind based on ultra-wideband pulse technology
Through as an important study hotspot.
Modern high speed train operation control system can be based on the positioning of real-time train, wireless communication transmissions realize train operation
Separation control and overspeed protection, it is ensured that bullet train it is safe for operation, meanwhile, automatically control, sensor, Modern wireless communication etc.
The introducing of technology and application be greatly facilitated the lifting of train operation efficiency, for high-speed railway transportation ability, service quality
Optimize significant.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.Therefore, the present invention
One purpose is to propose a kind of train autonomous operation system based on UWB rangings.
The technical scheme is that：
A kind of train autonomous operation system based on UWB rangings, including signal processing unit, communication module, train control unit,
The output end of wheel shaft rotating speed module and radar velocity measurement module, the wheel shaft rotating speed module and radar velocity measurement module and signal transacting list
The input electrical connection of member, the output end of the signal processing unit electrically connects with train control unit, and signal processing unit
Electrically connected with communication module, the communication module passes through wireless signal connection server；
The signal processing unit is connected with UWB range finder modules, and the UWB range finder modules include UWB generators, base band, Wei Chu
Reason device and UWB antennas, the output end of the UWB generators electrically connected with the input of base band, the base band respectively with micro- place
Manage device and UWB antennas electrical connection, the microprocessor with output end electrically connected with signal processing unit, the UWB antennas and
Base station radio communicates.
Preferably, power module is provided with the UWB range finder modules, the supply voltage of the power module is 4.5-48V.
Preferably, the UWB antennas are electrically connected with power amplifier and bandpass filter.
Preferably, the base band is using FPGA digital basebands.
Preferably, the ranging accuracy of the UWB range finder modules is 5cm.
Beneficial effects of the present invention：The train autonomous operation system based on UWB rangings in the present invention can be autonomous in real time
Train operation state information is obtained, traction control information is generated according to the rotating speed of range information, travel speed and wheel shaft, passed through
Signal processing unit sends information to server, and the feedback of the information after COMPREHENSIVE CALCULATING is to train, realize train from master control
System.The train autonomous operation system based on UWB rangings of the present invention has that energy consumption is low, and ranging accuracy is high, signal penetration capacity
By force, positioning distance measuring can be realized in the case where the signal is weak using multiple correction and then the accuracy of autonomous operation can be ensured.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of frame diagram of the train autonomous operation system based on UWB rangings proposed by the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
The example of the embodiment is shown in the drawings, wherein same or similar label represents identical or class from beginning to end
As element or with same or like function element.The embodiments described below with reference to the accompanying drawings are exemplary, purport
For explaining the present invention, and it is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Reference picture 1, a kind of train autonomous operation system based on UWB rangings, including signal processing unit, communication module,
Train control unit, wheel shaft rotating speed module and radar velocity measurement module, the output of the wheel shaft rotating speed module and radar velocity measurement module
End electrically connects with the input of signal processing unit, and the output end of the signal processing unit electrically connects with train control unit,
And signal processing unit electrically connects with communication module, the communication module passes through wireless signal connection server；
The signal processing unit is connected with UWB range finder modules, and the UWB range finder modules include UWB generators, base band, Wei Chu
Reason device and UWB antennas, the output end of the UWB generators electrically connected with the input of base band, the base band respectively with micro- place
Manage device and UWB antennas electrical connection, the microprocessor with output end electrically connected with signal processing unit, the UWB antennas and
Base station radio communicates.
Power module is provided with the UWB range finder modules, the supply voltage of the power module is 4.5-48V.
The UWB antennas are electrically connected with power amplifier and bandpass filter.
The base band is using FPGA digital basebands.
The ranging accuracy of the UWB range finder modules is 5cm.
Operation principle：UWB pulse signals caused by UWB generators control base band to be configured by microprocessor, and lead to
Cross UWB antennas launch with multiple base station communications, by two-way time-of-flight measuring principle, pulse signal is fed back into UWB
Range finder module, the distance of train and base station can be determined after baseband decoding, and range information is fed back into signal processing unit, believed
Number processing unit can obtain wheel rotating speed and the gait of march of train simultaneously, and these information are transferred to by communication module
Among server, by after hind computation by compared with the relevant informations such as these information and the distance of other trains well, feedback
To signal processing unit, the relevant information relatively with other trains, is controlled to train driving in real time.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (5)
1. a kind of train autonomous operation system based on UWB rangings, including signal processing unit, communication module, Train Control list
Member, wheel shaft rotating speed module and radar velocity measurement module, it is characterised in that：The output of the wheel shaft rotating speed module and radar velocity measurement module
End electrically connects with the input of signal processing unit, and the output end of the signal processing unit electrically connects with train control unit,
And signal processing unit electrically connects with communication module, the communication module passes through wireless signal connection server；
The signal processing unit is connected with UWB range finder modules, and the UWB range finder modules include UWB generators, base band, Wei Chu
Reason device and UWB antennas, the output end of the UWB generators electrically connected with the input of base band, the base band respectively with micro- place
Manage device and UWB antennas electrical connection, the microprocessor with output end electrically connected with signal processing unit, the UWB antennas and
Base station radio communicates.
A kind of 2. train autonomous operation system based on UWB rangings according to claim 1, it is characterised in that：The UWB
Power module is provided with range finder module, the supply voltage of the power module is 4.5-48V.
A kind of 3. train autonomous operation system based on UWB rangings according to claim 1, it is characterised in that：The UWB
Antenna is electrically connected with power amplifier and bandpass filter.
A kind of 4. train autonomous operation system based on UWB rangings according to claim 1, it is characterised in that：The base
Band is using FPGA digital basebands.
A kind of 5. train autonomous operation system based on UWB rangings according to claim 1, it is characterised in that：The UWB
The ranging accuracy of range finder module is 5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711039296.8A CN107664974A (en) | 2017-10-30 | 2017-10-30 | A kind of train autonomous operation system based on UWB rangings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711039296.8A CN107664974A (en) | 2017-10-30 | 2017-10-30 | A kind of train autonomous operation system based on UWB rangings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107664974A true CN107664974A (en) | 2018-02-06 |
Family
ID=61144796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711039296.8A Withdrawn CN107664974A (en) | 2017-10-30 | 2017-10-30 | A kind of train autonomous operation system based on UWB rangings |
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| CN (1) | CN107664974A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108415025A (en) * | 2018-05-10 | 2018-08-17 | 成都九壹通智能科技股份有限公司 | The system for carrying out two-way flight time ranging and communication based on wireless pulses radiofrequency signal |
| CN108646214A (en) * | 2018-05-10 | 2018-10-12 | 成都九壹通智能科技股份有限公司 | Range-measurement system based on customed ranging protocol |
| CN109436036A (en) * | 2018-09-12 | 2019-03-08 | 高新兴创联科技有限公司 | Railcar based on telemetry antenna is shunt hanging job means of defence |
| CN111060041A (en) * | 2019-12-02 | 2020-04-24 | 南京云巅电子科技有限公司 | Area measurement system and method based on UWB ranging scheme |
-
2017
- 2017-10-30 CN CN201711039296.8A patent/CN107664974A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108415025A (en) * | 2018-05-10 | 2018-08-17 | 成都九壹通智能科技股份有限公司 | The system for carrying out two-way flight time ranging and communication based on wireless pulses radiofrequency signal |
| CN108646214A (en) * | 2018-05-10 | 2018-10-12 | 成都九壹通智能科技股份有限公司 | Range-measurement system based on customed ranging protocol |
| CN109436036A (en) * | 2018-09-12 | 2019-03-08 | 高新兴创联科技有限公司 | Railcar based on telemetry antenna is shunt hanging job means of defence |
| CN111060041A (en) * | 2019-12-02 | 2020-04-24 | 南京云巅电子科技有限公司 | Area measurement system and method based on UWB ranging scheme |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20180206 |