CN109050539A - A kind of gate coordinated control system - Google Patents
A kind of gate coordinated control system Download PDFInfo
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- CN109050539A CN109050539A CN201810863255.9A CN201810863255A CN109050539A CN 109050539 A CN109050539 A CN 109050539A CN 201810863255 A CN201810863255 A CN 201810863255A CN 109050539 A CN109050539 A CN 109050539A
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- 230000006872 improvement Effects 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B1/00—General arrangement of stations, platforms, or sidings; Railway networks; Rail vehicle marshalling systems
- B61B1/02—General arrangement of stations and platforms including protection devices for the passengers
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a kind of gate coordinated control systems, comprising: for acquiring the door body travel switch of the door state information of each platform cell gate, the DCU controller being separately connected with the door machine of each platform cell gate and door body travel switch, the CI controller being communicatively coupled with PSC controller and the Vehicle Controller connecting by car-ground radio system with CI controller；Vehicle Controller, for when the status information of at least one platform cell gate is failure, being not turned on controlling the train cell gate aligned at least one platform cell gate in the case where train inlet parking；Alternatively, sending control command when the status information of at least one train cell gate is failure to PSC controller and being not turned on to control the platform cell gate aligned at least one train cell gate, contraposition isolation is realized.The gate coordinated control system can be reduced control circuit fault point, and the safety of gate can be improved.
Description
Technical field
The present invention relates to urban rail transit technology field more particularly to a kind of gate coordinated control systems.
Background technique
Gate is mounted to platform edge to multiple platform cell gates for keeping apart platform region and orbital region
The barrier of composition is the critical component for constituting platform door system (Platform Screen Doors, abbreviation PSD system).Such as figure
Shown in 1, in existing PSD system 100, each platform cell gate of gate is provided with the door body for acquisition state information
DCU controller (Door Control Unit, the platform cell gate that travel switch and control platform cell gate open or close
Controller, abbreviation DCU controller)；Wherein, the door body travel switch on whole platform cell gates of ipsilateral gate is in series
First series arm 101, DCU controller the second series arm in series on whole platform cell gates of ipsilateral gate
102。
As shown in Figure 1, PSC controller 103 in existing PSD system 100 (Platform Screen Controller,
Platform door controller, abbreviation PSC controller) with SIG system 200 (Signalling System, abbreviation SIG system) in CI
Between controller 201 (Computer Interlocking Controller, computer interlocking controller, abbreviation CI controller)
The mode for mostly using the safety type relay to be combined with hard-line cable greatly is electrically connected.Wherein, PSC controller 103 according to
It is secondary to pass through the first relay cabinet 104, the first junction box 105, the second junction box 204, the second relay cabinet 203 and interface cabinet 202
It being connect with CI controller 201, the first relay cabinet 104 is connect by rigid line with the first series arm 101 to obtain status information,
First relay cabinet 104 is also connect to control door machine in platform cell gate and act with the second series arm 102；Meanwhile PSC is controlled
Device 103 is connect with the second series arm 102 by data telecommunication line to acquire the control information of platform cell gate.
As shown in Fig. 2, being the schematic diagram that PSD system 100 sends order to SIG system 200.As depicted in figs. 1 and 2, with
For unilateral platform, gate state relay 106 and interlocking release relay 107 and are arranged in the first relay cabinet 102, stand
Platform door state relay 106 is by each platform cell gate door body travel switch and door lock contact string in the unilateral side gate
The circuit for connecing composition is driven, and interlocking, which releases relay 107, to be connect by the local control switch being set to outside platform end door
The interlocking cancel switch that point is constituted is driven；When platform cell gates whole in the unilateral side gate close simultaneously locking, PSD system
System 100 is closed by two groups of contacts of gate state relay 106 to 200 outbound platform door of SIG system and the state of locking
Information, the circuit drives platform door state repeater relay 205 that CI controller 201 is made up of contact, so that SIG system 200
Obtain the gate status information of the unilateral side platform；When interlock cancel switch closure when, PSD system 100 by interlocking release after
Two groups of contacts of electric appliance 107 send interlocking to SIG system 200 and release order, and CI controller 201 is driven by the circuit that contact is constituted
Dynamic interlocking releases repeater relay 206, so that SIG system 200 obtains the lock file of the unilateral side platform.
As shown in figure 3, being the schematic diagram that SIG system 200 sends order to PSD system 100.As shown in figures 1 and 3, with
For unilateral platform, enabling relay 207 and closed relay 208 are arranged in the second relay cabinet 203, by CI controller
201 are driven；SIG system 200 sends door opening command, PSD to PSD system 100 by two groups of contacts of enabling relay 207
One enabling repeater relay 108 of circuit drives that system 100 is made up of contact, so that DCU controller controls unilateral side station
Whole platform cell gates in platform door are opened；SIG system 200 is by two groups of contacts of closed relay 208 to PSD system 100
Door close commands, one shutdown repeater relay 109 of circuit drives that PSD system 100 is made up of contact are sent, so that DCU is controlled
Device processed controls the closing of whole platform cell gates in the unilateral side gate.
Due to using safety type relay to be combined with hard-line cable between existing PSD system 100 and SIG system 200
Mode connect and using rigid line control interface, a large amount of copper core cable, safety type relay and combined electric element need to be expended,
This will increase the complexity of interface control circuit and fault point, increase the workload and difficulty of maintenance.In addition, every in gate
The DCU controller of a platform cell gate is connected using concatenated mode, when SIG system 200 sends life of opening the door to PSD system 100
Enable or when door close commands, whole gates opened simultaneously or closed, cannot be precisely controlled each platform cell gate opening or
It closes, prevent gate is isolated with train door from aligning, reduces the safety of gate, increase the risk of operation tissue.
Summary of the invention
In view of the above-mentioned problems, a kind of gate coordinated control system of the invention, can simplify PSD system and SIG system
Between interface control circuit and reduce the fault point, while, it can be achieved that the contraposition between gate and train door is isolated, improving station
The safety of platform door reduces the risk of operation tissue.
In order to solve the above technical problems, a kind of gate coordinated control system of the invention, comprising: door body travel switch,
It is set to the status information that each platform cell gate is indicated on each platform cell gate of gate；DCU controller, and it is described
Door body travel switch connection, to read the status information；PSC controller is connect with the DCU controller, described in receiving
Status information；CI controller is communicatively coupled with the PSC controller, the institute sent with PSC controller described in real-time reception
State status information；Vehicle Controller is connect with the CI controller by car-ground radio system, is controlled with CI described in real-time reception
The status information of device forwarding；The Vehicle Controller is failure for the status information at least one platform cell gate
When, the train cell gate for controlling at least one platform cell gate contraposition is not turned on；Alternatively, at least one train cell gate
Status information be failure when, control command is issued to the PSC controller by the CI controller so that the DCU control
The platform cell gate that device control processed is aligned at least one described train cell gate is not turned on, and realizes contraposition isolation.
Compared with prior art, it is adopted between PSC controller and CI controller in gate coordinated control system of the invention
It is attached with redundant network cable or redundant network optical cable, combines, subtract with hard-line cable instead of traditional safety type relay
The use of the electrical components such as few copper core cable, safety type relay and combination, on the one hand, reduce PSD system and SIG system it
Between route arrangement cost, on the other hand simplify interface control circuit and reduce fault point, subtract reduced-maintenance workload and
Difficulty；Simultaneously as DCU controller is connect with PSC controller, each DCU controller and driving relay, platform cell gate
Individual electrical control and state acquisition circuit are constituted between door machine, each platform cell gate can be precisely controlled, into
And Vehicle Controller is enabled to be failure according to status information and sent when train cell gate information is failure to PSC controller
Corresponding control instruction realizes that the contraposition of failure gate and failure train door is not turned on, and realizes contraposition isolation, improves gate
Safety.
As an improvement of the above scheme, the CI controller be also used to train carry out section operation in the case where, when appoint
The status information of one platform cell gate is unsatisfactory for closing and when the condition of locking, to the Vehicle Controller send cutoff command or
Emergency braking instruction, to control the train in the outer parking in station.
As an improvement of the above scheme, the Vehicle Controller includes:
Stop window identification module, in the case where train inlet parking, is identifying that train is located at scheduled parking
When window range, door open command is sent to the PSC controller by the CI controller；And identifying that it is pre- that train is not located at
When fixed parking window range, move is sent by the Vehicle Controller, is moved to the parking window model to control train
It encloses.
As an improvement of the above scheme, the gate coordinated control system, further includes:
The first combined aural and visual alarm being connect with the PSC controller, for receiving opening for the PSC controller forwarding
When door instruction, sound-light alarm is issued to prompt gate to open.
As an improvement of the above scheme, the gate coordinated control system, further includes:
The second combined aural and visual alarm being connect with the PSC controller, in the pass for receiving the PSC controller and issuing
When door instruction, sound-light alarm is issued to prompt gate to close.
As an improvement of the above scheme, the gate coordinated control system, further includes:
The interlocking that connect with the PSC controller releases trigger module, based on trigger action generate interlocking release order with
Make the linkage control disabler between the PSC controller and CI controller；
The manual control switch connecting with the PSC controller, the manual control switch are used in the PSC controller and the CI
Control gate opens or closes when linkage function between controller fails.
As an improvement of the above scheme, the PSC controller is multiplied two and is taken two using two from three redundancy-type operating structure or two
Redundancy-type operating structure is opened/closed with reading the status information or the driving platform cell gate.
As an improvement of the above scheme, between the PSC controller and the CI controller using redundant network cable or
The connection of redundant network optical cable.
As an improvement of the above scheme, the gate coordinated control system, further includes:
Relay is driven, each platform cell gate is set to；
The driving relay is connect with the door machine of the DCU controller and each platform cell gate respectively, so that
The DCU controller controls the door machine according to the control command and starts, to open or close door body.
Detailed description of the invention
Fig. 1 is the connection schematic diagram between PSD system and SIG system in the prior art.
Fig. 2 is the schematic diagram that PSD system sends order to SIG system in the prior art.
Fig. 3 is the schematic diagram that SIG system sends order to PSD system in the prior art.
Fig. 4 is a kind of structural schematic diagram of gate coordinated control system of the embodiment of the present invention 1.
Fig. 5 is a kind of structural schematic diagram of gate coordinated control system of the embodiment of the present invention 2.
Specific embodiment
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention.But the present invention can be with
It is different from the other modes of this description much to implement, those skilled in the art can be without violating the connotation of the present invention
Similar popularization is done, therefore the present invention is not limited by the specific embodiments disclosed below.
Clear, complete description is carried out to technical solution of the present invention with attached drawing combined with specific embodiments below.
Embodiment 1
As shown in figure 4, being a kind of structural schematic diagram of gate coordinated control system of the embodiment of the present invention 1.
The gate coordinated control system includes: door body travel switch 11, is set to each platform cell gate of gate
On to indicate the status information of each platform cell gate；DCU controller 12, be set on each gate and with corresponding door body
Travel switch 11 connects, with read status information；PSC controller 13 is connect with DCU controller 12, to control each platform list
The door machine of first door acts and receives the status information of each gate cell gate；CI controller 21, using redundant network cable or
Redundant network optical cable is communicatively coupled with PSC controller 13, with the control command for forwarding Vehicle Controller 3 to issue, and in real time
Receive the status information that PSC controller 11 is sent, wherein PSC controller 11 passes through first network port 14 and redundant network electricity
Cable or the connection of redundant network optical cable, CI controller 21 pass through second network port 22 and redundant network cable or redundant network optical cable
Connection；Vehicle Controller 3 is connect by car-ground radio system with CI controller 21, is forwarded with real-time reception CI controller 21
Status information；Vehicle Controller 3 controls at least one platform when the status information of at least one platform cell gate is failure
The train cell gate of cell gate contraposition is not turned on；Alternatively, passing through when the status information of at least one train cell gate is failure
CI controller 21 issues control command to PSC controller 13, so that the control of DCU controller 12 and at least one train cell gate
The platform cell gate of contraposition is not turned on, and realizes contraposition isolation.
It should be understood that being controlled multiple when Vehicle Controller 3 is when the status information of multiple platform cell gates is failure
The train cell gate of platform cell gate contraposition is not turned on；Alternatively, passing through when the status information of multiple train cell gates is failure
CI controller 21 issues control command to PSC controller 13, so that the control of DCU controller 12 is aligned with multiple train cell gate
Platform cell gate be not turned on, realize contraposition isolation.
Wherein, each platform cell gate is provided with driving relay, the driving relay respectively with corresponding platform cell gate
In door machine 110 and DCU controller 12 connect, to constitute the electric control loop of corresponding platform cell gate.When DCU controller 12
When receiving the shutdown control instruction of the transmission of PSC controller 13, DCU controller 12 controls door machine 110 and starts, so that door machine 110
It drives door body mobile towards closing direction, realizes that the platform cell gate of contraposition closes control；When DCU controller 12 receives PSC control
When the door open command that device 13 processed is sent, DCU controller 12 controls door machine 110 and starts, so that door machine 110 drives door body towards opening square
To movement, realize that the platform cell gate of contraposition opens control.
In embodiment 1, CI controller 21 is also used in the case where train carries out section operation, when any gate
When status information is unsatisfactory for closing and the condition of locking, cutoff command or emergency braking instruction are sent to Vehicle Controller 3, with control
Train processed is in the outer parking in station.It includes that train is set out from a upper station to the traveling of current station and train that train, which carries out section operation,
It is set out from current station and is advanced to next station.
Compared with prior art, in gate coordinated control system of the invention PSC controller 13 and CI controller 21 it
Between be attached using redundant network cable or redundant network optical cable, instead of traditional safety type relay and hard-line cable group
It closes, reduces the use of copper core cable, safety type relay and combined electric element, on the one hand, reduce PSD system 1 and SIG system
Route arrangement cost between system 2, on the other hand simplifies interface control circuit and reduces fault point, subtracts reduced-maintenance work
Amount and difficulty；Simultaneously as DCU controller 12 is connect with PSC controller 13, each DCU controller 12 and driving relay 19,
Individual electric control loop is constituted between the door machine 110 of platform cell gate, each platform cell gate can precisely be controlled
System, so that Vehicle Controller 3 can be failure according to the status information of platform cell gate or train cell gate information is event
Corresponding control instruction is sent to PSC controller 13 when barrier, realizes that the contraposition of failure gate and failure train door is not turned on, it is real
Now contraposition isolation, improves the safety of gate.
Embodiment 2
As shown in figure 5, being a kind of structural schematic diagram of gate coordinated control system of the embodiment of the present invention 2.
A kind of gate coordinated control system of the embodiment of the present invention 2 is in addition to including whole building blocks in embodiment 1
Except, further includes: parking window identification module 31, for identifying that it is predetermined that train is located in the case where train inlet parking
Parking window range when, pass sequentially through Vehicle Controller 3 and CI controller 21 to PSC controller 13 send door open command；And
When identifying that train is not located at scheduled parking window range, move is sent by Vehicle Controller 3, to control train shifting
It moves to parking window range, the precision of train inlet parking can be effectively improved, so as to passenger getting on/off, improve efficiency of operation.
Further, gate coordinated control system further include: the first combined aural and visual alarm being connect with PSC controller 13
115, for issuing sound-light alarm to prompt gate to open when receiving the door open command of the forwarding of PSC controller 13.
Further, gate coordinated control system, further includes: the timer 23 connecting with CI controller 21 is used for
When train inlet parking reaches predetermined down time, instruction of closing the door is sent to CI controller 21；It is connect with PSC controller 13
Second combined aural and visual alarm 16, for issuing sound-light alarm to prompt to stand when receiving the shutdown instruction that PSC controller 13 issues
Platform door is closed.
Further, gate coordinated control system, further includes: the interlocking connecting with PSC controller 13 releases triggering
Module 17 generates interlocking releasing based on trigger action and orders the linkage control function so that PSC controller 13 and CI controller 21
Failure；The manual control switch 18 connecting with PSC controller 13, manual control switch 18 are used in PSC controller 13 and CI controller 21
Opening or closing for gate is controlled when linkage control disabler.
Specifically, in order to improve the reliability that PSC controller 13 carries out linkage control, in above-mentioned gate linkage control system
PSC controller 13 is used two from three redundancy-type operating structure or two multiplies two two redundancy-type operating structures is taken to be believed with reading state in system
Breath or driving door machine open/close platform cell gate.Wherein, it is illustrated by taking two from three redundancy-type operating structure as an example, works as PSC
When controller 13 carries out operation using two from three redundancy-type operating structure, which includes 3 independent arithmetic elements
With 1 comparing unit.When carrying out operation, PSC controller 13 is in receiving door opening command, door close commands or status information
When any information, the information received is sent to 3 independent arithmetic elements and carries out logical operation by PSC controller 13,
And operation result is sent to comparing unit and is compared, the result phase that at least two arithmetic elements calculate in 3 arithmetic elements
Meanwhile then determining operation result effectively and exporting to corresponding component；Otherwise, in vain.
The above described is only a preferred embodiment of the present invention, limitation in any form not is done to the present invention, therefore
All contents without departing from technical solution of the present invention, it is made to the above embodiment according to the technical essence of the invention any simply to repair
Change, equivalent variations and modification, all of which are still within the scope of the technical scheme of the invention.
Claims (9)
1. a kind of gate coordinated control system characterized by comprising
Door body travel switch is set to the state letter that each platform cell gate is indicated on each platform cell gate of gate
Breath；
DCU controller is connect with the door body travel switch, to read the status information；
PSC controller is connect with the DCU controller, to receive the status information；
CI controller is communicatively coupled with the PSC controller, the shape sent with PSC controller described in real-time reception
State information；
Vehicle Controller is connect with the CI controller by car-ground radio system, is forwarded with CI controller described in real-time reception
The status information；
When the Vehicle Controller for the status information at least one platform cell gate is failure, control described at least one
The train cell gate of a platform cell gate contraposition is not turned on；Alternatively, the status information at least one train cell gate is failure
When, control command is issued to the PSC controller by the CI controller so that the DCU controller control with it is described extremely
The platform cell gate of few train cell gate contraposition is not turned on, and realizes contraposition isolation.
2. gate coordinated control system as described in claim 1, which is characterized in that the CI controller is also used in train
In the case where carrying out section operation, when the status information of any platform cell gate is unsatisfactory for the condition of closing and locking, to institute
It states Vehicle Controller and sends cutoff command or emergency braking instruction, to control the train in the outer parking in station.
3. gate coordinated control system as described in claim 1, which is characterized in that the Vehicle Controller includes:
Stop window identification module, in the case where train inlet parking, is identifying that train is located at scheduled parking window model
When enclosing, door open command is sent to the PSC controller by the CI controller；And identifying that it is scheduled that train is not located at
When window range of stopping, move is sent by the Vehicle Controller, is moved to the parking window range to control train.
4. gate coordinated control system as claimed in claim 3, which is characterized in that further include:
The first combined aural and visual alarm being connect with the PSC controller, for referring in the enabling for receiving the PSC controller forwarding
When enabling, sound-light alarm is issued to prompt gate to open.
5. gate coordinated control system as described in claim 1, which is characterized in that further include:
The second combined aural and visual alarm being connect with the PSC controller, for referring to receiving the shutdown that the PSC controller issues
When enabling, sound-light alarm is issued to prompt gate to close.
6. gate coordinated control system as described in claim 1, which is characterized in that further include:
The interlocking connecting with the PSC controller releases trigger module, generates interlocking based on trigger action and releases order so that institute
State the linkage control disabler between PSC controller and the CI controller；
The manual control switch connecting with the PSC controller, the manual control switch are used to control in the PSC controller and the CI
Control gate opens or closes when linkage control disabler between device.
7. gate coordinated control system as described in claim 1, which is characterized in that the PSC controller uses two from three
Redundancy-type operating structure two multiplies two and takes two redundancy-type operating structures to read the status information or the driving platform unit
Door opens/closes.
8. gate coordinated control system as described in claim 1, which is characterized in that the PSC controller and the CI are controlled
It is connected between device processed using redundant network cable or redundant network optical cable.
9. gate coordinated control system as described in claim 1, which is characterized in that further include:
Relay is driven, each platform cell gate is set to；
The driving relay is connect with the door machine of the DCU controller and each platform cell gate respectively, so that described
DCU controller controls the door machine according to the control command and closes, and realizes the platform list of any train cell gate contraposition
First door is not turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810863255.9A CN109050539B (en) | 2018-08-01 | 2018-08-01 | Platform door linkage control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810863255.9A CN109050539B (en) | 2018-08-01 | 2018-08-01 | Platform door linkage control system |
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| Publication Number | Publication Date |
|---|---|
| CN109050539A true CN109050539A (en) | 2018-12-21 |
| CN109050539B CN109050539B (en) | 2024-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810863255.9A Active CN109050539B (en) | 2018-08-01 | 2018-08-01 | Platform door linkage control system |
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| CN110371141A (en) * | 2019-07-16 | 2019-10-25 | 南京康尼电子科技有限公司 | A kind of signal based on unmanned demand and platform door interface and working method |
| CN111942437A (en) * | 2020-08-10 | 2020-11-17 | 南京恩瑞特实业有限公司 | Maintenance platform and vehicle door alignment isolation system and method for unmanned train |
| CN112647797A (en) * | 2021-01-21 | 2021-04-13 | 北京京乾锐机电设备有限公司 | Stable door controller control system |
| CN112666870A (en) * | 2020-12-25 | 2021-04-16 | 交控科技股份有限公司 | Platform door control system and control method |
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| CN113565394A (en) * | 2020-04-29 | 2021-10-29 | 比亚迪汽车工业有限公司 | Linkage condition determination method, linkage condition determination device, vehicle-mounted controller, medium, and system |
| CN114280979A (en) * | 2021-11-29 | 2022-04-05 | 通号城市轨道交通技术有限公司 | Platform door switching control circuit, platform door control method and platform door control device |
| CN114439345A (en) * | 2021-12-17 | 2022-05-06 | 交控科技股份有限公司 | Platform door control device and system based on safety computer |
| CN114523992A (en) * | 2022-02-24 | 2022-05-24 | 中车青岛四方车辆研究所有限公司 | Intelligent platform door control system based on vehicle-vehicle communication |
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| CN113565394A (en) * | 2020-04-29 | 2021-10-29 | 比亚迪汽车工业有限公司 | Linkage condition determination method, linkage condition determination device, vehicle-mounted controller, medium, and system |
| CN113565394B (en) * | 2020-04-29 | 2023-01-03 | 比亚迪汽车工业有限公司 | Linkage condition determination method, device, vehicle-mounted controller, medium, and system |
| CN111942437A (en) * | 2020-08-10 | 2020-11-17 | 南京恩瑞特实业有限公司 | Maintenance platform and vehicle door alignment isolation system and method for unmanned train |
| CN114559990A (en) * | 2020-11-27 | 2022-05-31 | 比亚迪股份有限公司 | Train control method, computer device and storage medium |
| CN112666870A (en) * | 2020-12-25 | 2021-04-16 | 交控科技股份有限公司 | Platform door control system and control method |
| CN112783036A (en) * | 2020-12-30 | 2021-05-11 | 交控科技股份有限公司 | Automatic train control system |
| CN112783036B (en) * | 2020-12-30 | 2022-05-10 | 交控科技股份有限公司 | Automatic train control system |
| CN112647797A (en) * | 2021-01-21 | 2021-04-13 | 北京京乾锐机电设备有限公司 | Stable door controller control system |
| CN114280979A (en) * | 2021-11-29 | 2022-04-05 | 通号城市轨道交通技术有限公司 | Platform door switching control circuit, platform door control method and platform door control device |
| CN114439345A (en) * | 2021-12-17 | 2022-05-06 | 交控科技股份有限公司 | Platform door control device and system based on safety computer |
| CN114523992A (en) * | 2022-02-24 | 2022-05-24 | 中车青岛四方车辆研究所有限公司 | Intelligent platform door control system based on vehicle-vehicle communication |
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