CN111766809B - Control method for train of train and vehicle-mounted controller - Google Patents
Control method for train of train and vehicle-mounted controller Download PDFInfo
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- CN111766809B CN111766809B CN202010618994.9A CN202010618994A CN111766809B CN 111766809 B CN111766809 B CN 111766809B CN 202010618994 A CN202010618994 A CN 202010618994A CN 111766809 B CN111766809 B CN 111766809B
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- 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
- G05B19/0423—Input/output
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- 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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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Abstract
The invention provides a control method of a train vehicle of a train and a vehicle-mounted controller, wherein the method comprises the following steps: after the train is connected, activating an end vehicle-mounted controller to receive state information of the connected train uploaded by a vehicle control platform at regular time to generate a control strategy; and sending a control command to the vehicle control platform, so that the vehicle control platform controls the connected train according to the control strategy. Before a train is connected and hung, two ends of a train are respectively provided with corresponding vehicle-mounted controllers, and when two trains of non-connected trains are connected and hung to form a train, the vehicle-mounted controller at the head of the connected train is an active end vehicle-mounted controller; each train is provided with one set of vehicle control platform, after the trains are connected, two sets of vehicle control platforms corresponding to two trains which are not connected are unified, after the trains are connected, the trains can be controlled only by activating the end vehicle-mounted controllers, and the vehicle control platforms of each train which is not connected are integrated into one vehicle control platform, so that the orderly control of the connected trains is realized.
Description
Technical Field
The invention belongs to the technical field of urban traffic, and particularly relates to a control method and a vehicle-mounted controller for a train.
Background
In the field of urban transportation, there is a need for train coupling operation, for example, when the traffic flow is large, two non-coupled trains can be coupled to carry more passengers.
Before the trains are connected, each train is not connected with the train by a set of train control method and system, so that how to effectively control the connected trains needs to be researched.
Disclosure of Invention
To overcome the existing problems or at least partially solve the problems, embodiments of the present invention provide a control method for a train and an on-board controller.
According to a first aspect of the embodiments of the present invention, there is provided a train vehicle control method including:
after two non-coupled trains are coupled, an active end vehicle-mounted controller of the coupled train receives state information of the coupled train uploaded by a vehicle control platform at fixed time, and generates a control strategy according to the state information of the coupled train;
activating an end vehicle-mounted controller to send a control command to the vehicle control platform, wherein the control command comprises the control strategy, so that the vehicle control platform controls the connected train according to the control strategy;
when two non-coupled trains are coupled into a train, the vehicle-mounted controller at the head of the coupled train is an active end vehicle-mounted controller; and each non-coupled train is provided with one vehicle control platform, and after two non-coupled trains are coupled into one coupled train, two sets of vehicle control platforms corresponding to the two non-coupled trains are unified into one vehicle control platform.
According to a second aspect of the embodiments of the present invention, there is provided an active-end onboard controller, including an onboard ATP, an onboard ATO, and an onboard AOM;
the vehicle-mounted ATP is used for receiving the state information of the connected train through the vehicle control platform and sending a control command to the vehicle control platform, wherein the control command comprises a control strategy;
the vehicle-mounted ATO is used for generating a corresponding control strategy according to the state information of the train;
the vehicle-mounted AOM is used for performing dormancy awakening on the train according to the state information of the train;
when two non-coupled trains are coupled into a train, the vehicle-mounted controller at the head of the coupled train is an active end vehicle-mounted controller; and each non-coupled train is provided with one vehicle control platform, and after two non-coupled trains are coupled into one coupled train, two sets of vehicle control platforms corresponding to the two non-coupled trains are unified into one vehicle control platform.
The embodiment of the invention provides a train control method and a vehicle-mounted controller of a connected train, wherein before the train is connected, two ends of a train which is not connected with the train are respectively provided with the corresponding vehicle-mounted controllers, and after the two trains which are not connected with the train are connected with the train to form a train which is connected with the train, the vehicle-mounted controller at the head of the connected train is an activated vehicle-mounted controller; each non-coupled train is provided with one vehicle control platform, when two non-coupled trains are coupled into one coupled train, two vehicle control platforms corresponding to the two non-coupled trains are unified into one vehicle control platform, after the train is coupled, only the activated end vehicle-mounted controller can control the train, and the vehicle control platforms of each non-coupled train are integrated into one vehicle control platform, so that the orderly control of the coupled trains is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic overall flow chart of a control method for train vehicles according to an embodiment of the present invention;
fig. 2 is a schematic view of an overall structure of an active-end onboard controller according to an embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Referring to fig. 1, there is provided a train-connected vehicle control method including:
after two non-coupled trains are coupled, an active end vehicle-mounted controller of the coupled train receives state information of the coupled train uploaded by a vehicle control platform at fixed time, and generates a control strategy according to the state information of the coupled train;
and the activated end vehicle-mounted controller sends a control command to the vehicle control platform, wherein the control command comprises the control strategy, so that the vehicle control platform controls the connected train according to the control strategy.
It can be understood that in the field of urban rail transit, there is a need for train coupling operation, in which a plurality of non-coupled trains are coupled to form a train, in practice, the two trains are usually referred to as a train after being coupled, and the control mode of the train after being coupled (referred to as a coupled train) is different from that of each train before being coupled.
Based On this, the embodiment of the present invention provides a method for controlling a coupled train, where before the train is coupled (referred to as a non-coupled train), two ends of a head and a tail of each non-coupled train are respectively configured with a Vehicle-mounted Controller VOBC (Vehicle On-board Controller), and after the train is coupled into a train, the Vehicle-mounted Controller at the head of the train is an active end, and only if the Vehicle-mounted Controller is in an active state, other Vehicle-mounted controllers all enter a standby state, and only the Vehicle-mounted Controller at the active end can control the coupled train.
Each train of non-coupled trains is provided with a set of vehicle control platform TCMS, after coupling, the vehicle control platforms corresponding to the two trains of non-coupled trains are integrated into a set of vehicle control platform in a unified way, and the unified vehicle control platform is used as the vehicle control platform of the coupled train. The vehicle control platform provides a network interface, and each vehicle-mounted controller on the train is connected with various devices on the vehicle through the network interface provided by the vehicle control platform.
After the train is connected, the active end vehicle-mounted controller of the connected train sends a control instruction to the vehicle control platform and receives the state information of the connected train returned by the vehicle control platform according to the control instruction; and the active end vehicle-mounted controller controls the train according to the state information of the train.
According to the embodiment of the invention, after the train is connected, the train can be controlled only by activating the end vehicle-mounted controller, and the vehicle control platforms of each non-connected train are integrated into one vehicle control platform, so that the orderly control of the connected train is realized.
As an optional embodiment, the vehicle-mounted controller comprises a vehicle-mounted ATP, a vehicle-mounted ATO and a vehicle-mounted AOM;
the vehicle-mounted ATP receives state information of the connected train through the vehicle control platform and sends a control command to the vehicle control platform, wherein the control command comprises a control strategy;
the vehicle-mounted ATO generates a corresponding control strategy according to the state information of the train;
and the vehicle-mounted AOM performs dormancy awakening on the train according to the state information of the train.
It is understood that each of the onboard controllers VOBC includes an onboard ATP (Automatic Train Protection), an onboard ATO (Automatic Train Operation), and an onboard AOM (auxiliary operating unit). After the train is connected, the train control platform can regularly send the train state information of the connected train to the vehicle-mounted ATP in each vehicle-mounted controller, and the connected train can be controlled only by activating the vehicle-mounted controllers at the end, wherein each vehicle-mounted ATP can receive the train state information uploaded by the train control platform, but the vehicle-mounted ATP in the vehicle-mounted controllers at the end can control the connected train according to the state information of the connected train
The vehicle-mounted ATO can control the running of the coupled train according to the state information of the train.
The state information of the coupled train comprises the integrity state of the coupled train, the braking state of the coupled train, the door state of the coupled train, the braking heavy fault state of the coupled train, the key switch state of the coupled train and the detection state of the obstacle in front of the coupled train. And activating the vehicle-mounted ATO in the end vehicle-mounted controller to generate a corresponding control strategy according to the state information of the connected train. And the vehicle-mounted ATP sends the control strategy of the train to the vehicle control platform to control the train. And activating the vehicle-mounted AOM in the end vehicle-mounted controller to perform dormancy awakening on the train according to the state information of the train.
As an optional embodiment, further comprising:
activating a vehicle-mounted ATP in an end vehicle-mounted controller to receive vehicle parameters before the train is connected and vehicle parameters after the train is connected, configuring the vehicle parameters according to the worst parameters in the vehicle parameters before the train is connected, and drawing a safety protection curve before the train is connected according to the configured vehicle parameters; configuring vehicle parameters according to the worst vehicle parameters in the train parameters after the train is connected, and drawing a safety protection curve after the train is connected according to the configured vehicle parameters;
and activating the vehicle-mounted ATO in the end vehicle-mounted controller to generate different train control strategies for controlling the train according to the vehicle parameters before the train is connected and the vehicle parameters after the train is connected.
It will be appreciated that the on-board ATP in the active-side on-board controller also receives pre-train and post-train vehicle parameters, the vehicle parameters being configured according to the worst of the vehicle parameters for the pre-train and post-train vehicle parameters, respectively, where the worst parameters are based on safety considerations. And drawing a safety protection curve of the train according to the configured vehicle parameters so as to protect the safety of the train according to the safety protection curve in the following process. Namely, the vehicle-mounted ATP in the activated end vehicle-mounted controller configures vehicle parameters according to the worst parameters in the vehicle parameters before the train is connected, and draws a safety protection curve before the train is connected according to the configured vehicle parameters; and configuring the vehicle parameters according to the worst parameters in the vehicle parameters after the train is connected, and drawing a safety protection curve after the train is connected according to the configured vehicle parameters.
And the vehicle-mounted ATO adopts different control strategies for the train and controls the train according to the received vehicle parameters before and after the train is connected.
The vehicle parameters comprise train length of the train before and after the train is connected, traction braking delay of the train before and after the train is connected, traction acceleration characteristic of the train before and after the train is connected, and braking deceleration characteristic of the train before and after the train is connected.
Referring to fig. 2, there is provided an active-end onboard controller comprising an onboard ATP21, an onboard ATO22, and an onboard AOM 23;
the vehicle-mounted ATP21 is used for receiving the state information of the connected train through the vehicle control platform and sending a control command to the vehicle control platform, wherein the control command comprises a control strategy;
the vehicle-mounted ATO22 is used for generating a corresponding control strategy according to the state information of the train;
the vehicle-mounted AOM23 is used for waking up the train in a dormant mode according to the state information of the train;
it can be understood that before the train is connected and hung, two ends of a train are respectively provided with corresponding vehicle-mounted controllers, and after two trains of non-connected trains are connected and hung into a train, the vehicle-mounted controller at the head of the connected train is an active end vehicle-mounted controller; and each non-coupled train is provided with one vehicle control platform, and after two non-coupled trains are coupled into one coupled train, two sets of vehicle control platforms corresponding to the two non-coupled trains are unified into one vehicle control platform.
According to the embodiment of the invention, the train can be controlled only by activating the end vehicle-mounted controller after the train is connected, and the vehicle control platforms of each non-connected train are integrated into one vehicle control platform, so that the orderly control of the connected train is realized.
As an alternative embodiment, the on-board ATP21 is further configured to receive vehicle parameters before the train is connected and vehicle parameters after the train is connected, configure the vehicle parameters according to the worst parameters of the vehicle parameters before the train is connected, and draw a safety protection curve before the train is connected according to the configured vehicle parameters; configuring vehicle parameters according to the worst vehicle parameters in the train parameters after the train is connected, and drawing a safety protection curve after the train is connected according to the configured vehicle parameters;
and the vehicle-mounted ATO22 is also used for generating different train control strategies to control the train according to the vehicle parameters before the train is connected and the vehicle parameters after the train is connected.
In the train control method and the train controller for the connected train provided by the embodiment of the invention, before the train is connected, two ends of a train which is not connected with the train are respectively provided with the corresponding train controllers, and after the two trains which are not connected with the train are connected with the train to form a train which is connected with the train, the train controller at the head of the connected train is an active end train controller; each non-coupled train is provided with one vehicle control platform, after the trains are coupled, two sets of vehicle control platforms corresponding to two non-coupled trains are unified into one vehicle control platform, after the trains are coupled, the trains can be controlled only by activating the end vehicle-mounted controller, and the vehicle control platforms of each non-coupled train are integrated into one vehicle control platform, so that the orderly control of the coupled trains is realized.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. A method of controlling a coupled train vehicle, comprising:
after two non-coupled trains are coupled, an active end vehicle-mounted controller of the coupled train receives state information of the coupled train uploaded by a vehicle control platform at fixed time, and generates a control strategy according to the state information of the coupled train;
activating an end vehicle-mounted controller to send a control command to the vehicle control platform, wherein the control command comprises the control strategy, so that the vehicle control platform controls the connected train according to the control strategy;
when two non-coupled trains are coupled into a train, the vehicle-mounted controller at the head of the coupled train is an active end vehicle-mounted controller; each non-coupled train is provided with a set of vehicle control platform, and after two non-coupled trains are coupled into a train, two sets of vehicle control platforms corresponding to the two non-coupled trains are unified into a set of vehicle control platform;
the vehicle-mounted controller comprises a vehicle-mounted ATP, a vehicle-mounted ATO and a vehicle-mounted AOM;
the method comprises the steps that a vehicle-mounted ATP in an active end vehicle-mounted controller receives state information of a connected train through a vehicle control platform and sends a control command to the vehicle control platform, wherein the control command comprises a control strategy;
activating a vehicle-mounted ATO in an end vehicle-mounted controller to generate a corresponding control strategy according to the state information of the connected train;
and activating the vehicle-mounted AOM in the end vehicle-mounted controller to perform dormancy awakening on the train according to the state information of the train.
2. The hitching train vehicle control method according to claim 1, further comprising:
after two non-coupled trains are coupled, the three vehicle-mounted controllers except the activated vehicle-mounted controller enter a standby state.
3. The control method of a coupe train vehicle according to claim 1, wherein the state information of the coupe train includes a state of integrity of the coupe train, a state of braking of the coupe train, a state of doors of the coupe train, a state of braking heavy failure of the coupe train, a state of key switch of the coupe train, and a state of detection of an obstacle ahead of the coupe train.
4. The hitching train vehicle control method according to claim 1, further comprising:
the vehicle-mounted ATP in the activated end vehicle-mounted controller receives vehicle parameters before the train is connected and vehicle parameters after the train is connected, configures the vehicle parameters according to the worst parameters in the vehicle parameters before the train is connected, and draws a safety protection curve before the train is connected according to the configured vehicle parameters; configuring vehicle parameters according to the worst vehicle parameters in the train parameters after the train is connected, and drawing a safety protection curve after the train is connected according to the configured vehicle parameters;
and the vehicle-mounted ATO in the activated end vehicle-mounted controller generates different train control strategies to control the train according to the vehicle parameters before the train is connected and the vehicle parameters after the train is connected.
5. The method of claim 4, wherein said vehicle parameters include train length of the pre-and post-train, delay of traction braking of the pre-and post-train, pre-and post-train traction acceleration characteristic, pre-and post-train braking deceleration characteristic.
6. An active-end vehicle-mounted controller is characterized by comprising a vehicle-mounted ATP, a vehicle-mounted ATO and a vehicle-mounted AOM;
the vehicle-mounted ATP is used for receiving the state information of the connected train through the vehicle control platform and sending a control command to the vehicle control platform, wherein the control command comprises a control strategy;
the vehicle-mounted ATO is used for generating a corresponding control strategy according to the state information of the train;
the vehicle-mounted AOM is used for performing dormancy awakening on the train according to the state information of the train;
when two non-coupled trains are coupled into a train, the vehicle-mounted controller at the head of the coupled train is an active end vehicle-mounted controller; and each non-coupled train is provided with one vehicle control platform, and after two non-coupled trains are coupled into one coupled train, two sets of vehicle control platforms corresponding to the two non-coupled trains are unified into one vehicle control platform.
7. The active end on-board controller of claim 6,
the vehicle-mounted ATP is also used for receiving vehicle parameters before the train is connected and vehicle parameters after the train is connected, configuring the vehicle parameters according to the worst parameters in the vehicle parameters before the train is connected, and drawing a safety protection curve before the train is connected according to the configured vehicle parameters; configuring vehicle parameters according to the worst vehicle parameters in the train parameters after the train is connected, and drawing a safety protection curve after the train is connected according to the configured vehicle parameters;
and the vehicle-mounted ATO is also used for generating different train control strategies to control the train according to the vehicle parameters before the train is connected and the vehicle parameters after the train is connected.
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