CN111717039B - Traction cut-off control method for high-speed magnetic levitation system - Google Patents
Traction cut-off control method for high-speed magnetic levitation system Download PDFInfo
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- CN111717039B CN111717039B CN202010607034.2A CN202010607034A CN111717039B CN 111717039 B CN111717039 B CN 111717039B CN 202010607034 A CN202010607034 A CN 202010607034A CN 111717039 B CN111717039 B CN 111717039B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L13/00—Electric propulsion for monorail vehicles, suspension vehicles or rack railways; Magnetic suspension or levitation for vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Abstract
The invention provides a traction cut-off control method for a high-speed magnetic levitation system, which comprises the following steps: providing five states for the zone traction cut-off computer, the five states being: "start state", "safe cut-off state", "run state", "traction under test state", "interrupt state"; and the partition traction cut-off computer performs state transition among five states according to the command of the partition safety control computer.
Description
Technical Field
The invention relates to a high-speed magnetic suspension system, in particular to a control method for a high-speed magnetic suspension traction cutoff computer.
Background
In the high-speed magnetic suspension system, a partition control system is the central pivot of the whole system. The zonal control system is shown in relation to the traction system in figure 1. The zone control system comprises a zone safety control computer, a zone traction cutting computer, a zone turnout control computer and a zone maintenance computer. The traction system at least comprises a traction power supply system and a traction control system. The zone control system is connected with the traction control system and the traction power supply system. The zoning safety control computer controls a traction control system, and the zoning traction cut-off computer controls a traction power supply system.
In the prior art, a high-speed magnetic suspension traction cut-off control method does not exist. The invention mainly aims to provide a traction cut-off control method, which is reasonable in traction cut-off control and realizes safe cut-off of traction power supply.
Disclosure of Invention
The invention relates to a control method for a high-speed magnetic levitation traction cutoff computer, which can ensure the normal operation of the high-speed magnetic levitation traction cutoff computer and can safely cut off a traction power supply system.
The invention provides a traction cut-off control method for a high-speed magnetic suspension system, wherein the high-speed magnetic suspension system at least comprises a traction system, a subarea traction cut-off computer and a subarea safety control computer, and the method comprises the following steps:
providing five states for the zone traction cut-off computer, the five states being: "start state", "safe cut-off state", "run state", "traction under test state", "interrupt state";
the partition traction cut-off computer performs state transition among five states according to the command of the partition safety control computer, wherein the state transition is performed as follows:
when the partition traction cut-off computer is started or the communication with the partition safety control computer is interrupted, the partition traction cut-off computer is in a starting state; if the subarea traction cut-off computer receives a starting and releasing command of the subarea safety control computer, the subarea traction cut-off computer is switched to a safety cut-off state;
if the partition traction cut-off computer is in a safe cut-off state and a traction system release command of the partition safety control computer is received, the partition traction cut-off computer is switched to a running state;
if the safe traction cut-off request of the subarea safety control computer is received when the subarea traction cut-off computer is in a running state, the subarea traction cut-off computer is switched to a safe cut-off state;
if the sub-area traction cutting-off computer is transferred to a safe cutting-off state, judging that the number of times of entering the safe cutting-off state within preset time exceeds a preset value, and transferring the sub-area traction cutting-off computer to an interruption state;
if the partition traction cut-off computer is in an interrupt state, receiving a command of canceling the interrupt of the partition safety control computer, and turning the partition traction cut-off computer to a safety cut-off state;
if the partition traction cut-off computer is in a running state, receiving a traction test command of the partition safety control computer, and then switching the partition traction cut-off computer to a traction testing state;
when the partitioned traction cut-off computer is in a traction testing state, one-time traction cut-off can be executed, whether the traction cut-off can be correctly executed or not is judged, the working state of the external equipment is judged, if the external equipment works normally and the traction cut-off is executed without problems, the test is finished, and the partitioned traction cut-off computer is transferred to a safe cut-off state.
In one embodiment, the method further comprises the steps of:
the subarea traction cut-off computer analyzes the command received from the subarea safety control computer, judges whether the state switching command is correct and feasible, and if the command received by the subarea traction cut-off computer is wrong or not accordant with the state of the subarea traction cut-off computer or the command is not feasible, the subarea traction cut-off computer sends a warning message to the subarea safety control computer and sends an event record to the subarea maintenance computer; if the command received by the zone traction cut-off computer is feasible, the zone traction cut-off computer will prepare to switch states.
In one embodiment, the method further comprises the steps of:
and after the state conversion of the partition traction cut-off computer is finished, reporting to the partition safety control computer.
In one embodiment, when the traction test of the subarea traction cut-off computer is finished, a running state is not entered, but a safety cut-off state is entered, so that the reliability of traction cut-off is ensured.
In one embodiment, the startup state represents a zone traction shutdown computer startup time state when the traction system is in a safe shutdown state.
In one embodiment, the safety shut-off condition includes the traction system being in a safety shut-off condition.
In one embodiment, the interrupted state indicates that the traction system is in a safe shutdown state.
In one embodiment, the running state indicates that the traction system is released, and all switches of the traction system are in a closed state at the moment, so that the magnetic-levitation train is powered according to the running requirement.
In one embodiment, the traction under test indicates that the traction system is under test, and the zoned traction cut-off computer tests the traction cut-off and the peripheral.
The invention provides a traction cut-off control process for a high-speed magnetic suspension system, which ensures reasonable traction cut-off control and realizes safe cut-off of traction power supply.
Drawings
The foregoing summary, as well as the following detailed description of the invention, will be better understood when read in conjunction with the appended drawings. It is to be noted that the appended drawings are intended as examples of the claimed invention. In the drawings, like reference characters designate the same or similar elements.
FIG. 1 shows the relationship between the partition control system and the traction system in the high-speed magnetic levitation system.
Fig. 2 shows a state diagram of a traction cut-off control method for a high-speed magnetic levitation system according to an embodiment of the invention.
Detailed Description
The detailed features and advantages of the present invention are described in detail in the detailed description which follows, and will be sufficient for anyone skilled in the art to understand the technical content of the present invention and to implement the present invention, and the related objects and advantages of the present invention will be easily understood by those skilled in the art from the description, claims and drawings disclosed in the present specification.
In the high-speed magnetic suspension system, a partition control system is the central pivot of the whole system. The high-speed magnetic suspension system at least comprises a partition control system and a traction system. The zonal control system is shown in relation to the traction system in figure 1. The zone control system 100 includes a zone security control computer (DSC)101, a zone traction shutdown computer 102, a zone switch control computer 103, and a zone maintenance computer 104. The traction system includes at least a traction power supply system 105 and a traction control system 106. The zone control system 100 is connected to a traction control system 106 and a traction power supply system 105. The zone safety control computer 101 controls the traction control system 106, and the zone traction cut-off computer 102 controls the traction power supply system 105.
The traction control system 106 controls traction mainly based on destination information given by the zone control system 100 and position information acquired from the train, thereby realizing train control.
The zoning safety control computer 101 is mainly responsible for calculating a train target point according to an operator command and train position information, issuing a command to a related system to control the train to run to the target point, and performing safety protection.
The zoning traction cut-off computer 102 is mainly responsible for controlling the traction power supply system 105 according to the command of the zoning safety control computer 101.
The zoning turnout control computer 103 is mainly responsible for controlling turnouts according to the command of the zoning safety control computer 101.
The partition maintenance computer 104 is primarily responsible for collecting the relevant maintenance logs for the partition control system 100 for fault analysis.
The traction power supply system 105 is primarily responsible for shutting off or releasing traction system power upon a command from the zoned traction shutdown computer 102.
In the prior art, a high-speed magnetic suspension traction cut-off control method does not exist. The invention mainly aims to provide a traction cut-off control method, which is reasonable in traction cut-off control and realizes safe cut-off of traction power supply.
Fig. 2 shows a state diagram of a traction cut-off control method for a high-speed magnetic levitation system according to an embodiment of the invention.
The partition traction cut-off computer has five states of a starting state, a safety cut-off state, a running state, a traction testing state and an interruption state, and is converted according to a command of the partition safety control computer.
In addition, the subarea traction cut-off computer analyzes the command received from the subarea safety control computer, judges whether the command is correct and feasible, and if the command received by the subarea traction cut-off computer is wrong or not accordant with the state of the subarea traction cut-off computer or the command is not feasible, the subarea traction cut-off computer sends a warning message to the subarea safety control computer and sends an event record to the subarea maintenance computer. And if the state conversion command received by the subarea traction cut-off computer is feasible, the subarea traction cut-off computer prepares to convert the state, and reports the converted state to the subarea safety control computer after the conversion is finished.
The states of the zone traction switch off computer are described in the following table.
TABLE 1 zoned traction cut-off computer state table
The state transition conditions are introduced as follows:
1. from the start-up state to the safety shut-off state
When the partition traction cut-off computer is started or the communication with the partition safety control computer is interrupted, the partition traction cut-off computer is in a starting state;
if a starting and releasing command of the partition safety control computer is received, the partition traction cut-off computer is switched to a safety cut-off state in step 1.
2. From a safe cut-off state to an active state
And if the partition traction cut-off computer is in the safe cut-off state, receiving a traction system release command of the partition safety control computer, and turning the partition traction cut-off computer to the running state (step 2).
3. From an operating state to a safety shut-off state
And if the partition traction cut-off computer is in the running state, receiving a safety traction cut-off request of the partition safety control computer, and turning the partition traction cut-off computer to the safety cut-off state (step 3).
4. From a safe cut-off state to an interrupted state
And if the partition traction cut-off computer is transferred to the safe cut-off state, judging that the number of times of entering the safe cut-off state within the preset time exceeds the preset value, and transferring the partition traction cut-off computer to the interrupt state, in step 4.
5. From the interrupt state to the safety cut-off state
And if the partition traction cut-off computer is in the interrupt state, receiving a command of canceling the interrupt of the partition safety control computer, and turning the partition traction cut-off computer to the safety cut-off state (step 5).
6. From running state to traction-under-test state
If the partition traction cut-off computer is in the running state, receiving a traction test command of the partition safety control computer, and turning the partition traction cut-off computer to a traction testing state (step 6).
7. From a traction-testing state to a safe-cut state
And (3) when the partitioned traction cut-off computer is in a traction testing state, executing traction cut-off once, judging whether the traction cut-off can be executed correctly, judging the working state of the external equipment, if the external equipment works normally and the traction cut-off is executed without problems, finishing the test, and shifting the partitioned traction cut-off computer to a safe cut-off state (step 7).
It should be noted that, in the present invention, in the running state, when a traction test command is received, a traction test state is entered. When the traction test is completed, the running state is not entered, but the safety shut-off state is entered. The purpose of doing so is to protect the security of whole system, guarantees to pull and cuts off the reliability.
The invention provides a traction cut-off control method for a high-speed magnetic levitation system. The zone control system at least comprises a zone traction cutting computer, a zone safety control computer, a zone maintenance computer and a zone turnout control computer, and the method comprises the following steps:
providing five states for the zone traction cut-off computer, the five states being: "start state", "safe cut-off state", "run state", "traction under test state", "interrupt state";
the partition traction cut-off computer performs state transition among five states according to the command of the partition safety control computer, wherein the state transition is performed as follows:
when the partition traction cut-off computer is started or the communication with the partition safety control computer is interrupted, the partition traction cut-off computer is in a starting state; if the subarea traction cut-off computer receives a starting and releasing command of the subarea safety control computer, the subarea traction cut-off computer is switched to a safety cut-off state;
if the partition traction cut-off computer is in a safe cut-off state and a traction system release command of the partition safety control computer is received, the partition traction cut-off computer is switched to a running state;
if the safe traction cut-off request of the subarea safety control computer is received when the subarea traction cut-off computer is in a running state, the subarea traction cut-off computer is switched to a safe cut-off state;
if the sub-area traction cutting-off computer is transferred to a safe cutting-off state, judging that the number of times of entering the safe cutting-off state within preset time exceeds a preset value, and transferring the sub-area traction cutting-off computer to an interruption state;
if the partition traction cut-off computer is in an interrupt state, receiving a command of canceling the interrupt of the partition safety control computer, and turning the partition traction cut-off computer to a safety cut-off state;
if the partition traction cut-off computer is in a running state, receiving a traction test command of the partition safety control computer, and then switching the partition traction cut-off computer to a traction testing state;
when the partitioned traction cut-off computer is in a traction testing state, one-time traction cut-off can be executed, whether the traction cut-off can be correctly executed or not is judged, the working state of the external equipment is judged, if the external equipment works normally and the traction cut-off is executed without problems, the test is finished, and the partitioned traction cut-off computer is transferred to a safe cut-off state.
In one embodiment, the method further comprises the steps of:
the subarea traction cut-off computer analyzes the command received from the subarea safety control computer, judges whether the state switching command is correct and feasible, and if the command received by the subarea traction cut-off computer is wrong or not accordant with the state of the subarea traction cut-off computer or the command is not feasible, the subarea traction cut-off computer sends a warning message to the subarea safety control computer and sends an event record to the subarea maintenance computer; if the command received by the zone traction cut-off computer is feasible, the zone traction cut-off computer will prepare to switch states.
In one embodiment, the method further comprises the steps of:
and after the state conversion of the partition traction cut-off computer is finished, reporting to the partition safety control computer.
In one embodiment, when the traction test of the subarea traction cut-off computer is finished, a running state is not entered, but a safety cut-off state is entered, so that the reliability of traction cut-off is ensured.
In one embodiment, the startup state represents a zone traction shutdown computer startup time state when the traction system is in a safe shutdown state.
In one embodiment, the safety shut-off condition includes the traction system being in a safety shut-off condition.
In one embodiment, the interrupted state indicates that the traction system is in a safe shutdown state.
In one embodiment, the running state indicates that the traction system is released, and all switches of the traction system are in a closed state at the moment, so that the magnetic-levitation train is powered according to the running requirement.
In one embodiment, the traction under test indicates that the traction system is under test, and the zoned traction cut-off computer tests the traction cut-off and the peripheral.
The terms and expressions which have been employed herein are used as terms of description and not of limitation. The use of such terms and expressions is not intended to exclude any equivalents of the features shown and described (or portions thereof), and it is recognized that various modifications may be made within the scope of the claims. Other modifications, variations, and alternatives are also possible. Accordingly, the claims should be looked to in order to cover all such equivalents.
Also, it should be noted that although the present invention has been described with reference to the current specific embodiments, it should be understood by those skilled in the art that the above embodiments are merely illustrative of the present invention, and various equivalent changes or substitutions may be made without departing from the spirit of the present invention, and therefore, it is intended that all changes and modifications to the above embodiments be included within the scope of the claims of the present application.
Claims (7)
1. A traction cut-off control method for a high-speed magnetic levitation system, which is characterized in that the high-speed magnetic levitation system at least comprises a traction system, a subarea traction cut-off computer and a subarea safety control computer, and the method comprises the following steps:
providing five states for the zone traction cut-off computer, the five states being: "start state", "safe cut-off state", "run state", "traction under test state", "interrupt state";
the partition traction cut-off computer performs state transition among five states according to the command of the partition safety control computer, wherein the state transition is performed as follows:
when the partition traction cut-off computer is started, the partition traction cut-off computer is in a starting state; if the subarea traction cut-off computer receives a starting and releasing command of the subarea safety control computer, the subarea traction cut-off computer is switched to a safety cut-off state;
if the partition traction cut-off computer is in a safe cut-off state and a traction system release command of the partition safety control computer is received, the partition traction cut-off computer is switched to a running state;
if the safe traction cut-off request of the subarea safety control computer is received when the subarea traction cut-off computer is in a running state, the subarea traction cut-off computer is switched to a safe cut-off state;
if the sub-area traction cutting-off computer is transferred to a safe cutting-off state, judging that the number of times of entering the safe cutting-off state within preset time exceeds a preset value, and transferring the sub-area traction cutting-off computer to an interruption state;
if the partition traction cut-off computer is in an interrupt state, receiving a command of canceling the interrupt of the partition safety control computer, and turning the partition traction cut-off computer to a safety cut-off state;
if the partition traction cut-off computer is in a running state, receiving a traction test command of the partition safety control computer, and then switching the partition traction cut-off computer to a traction testing state;
when the partitioned traction cut-off computer is in a traction testing state, one-time traction cut-off can be executed, whether the traction cut-off can be correctly executed or not is judged, the working state of the external equipment is judged, if the external equipment works normally and the traction cut-off is executed without problems, the test is finished, and the partitioned traction cut-off computer is transferred to a safe cut-off state.
2. The traction turn-off control method for a high-speed magnetic levitation system as recited in claim 1, further comprising the steps of:
the subarea traction cut-off computer analyzes the command received from the subarea safety control computer, judges whether the state switching command is correct and feasible, and if the command received by the subarea traction cut-off computer is wrong or not accordant with the state of the subarea traction cut-off computer or the command is not feasible, the subarea traction cut-off computer sends a warning message to the subarea safety control computer and sends an event record to the subarea maintenance computer; if the command received by the zone traction cut-off computer is feasible, the zone traction cut-off computer will prepare to switch states.
3. The traction turn-off control method for a high-speed magnetic levitation system as recited in claim 1, further comprising the steps of:
and after the state conversion of the partition traction cut-off computer is finished, reporting to the partition safety control computer.
4. The method as claimed in claim 1, wherein the start-up state represents a state when the partitioned traction cutoff computer is started up, and the traction system is in a safe cutoff state.
5. The traction turn-off control method for a high-speed magnetic levitation system as recited in claim 1, wherein the safe turn-off state comprises that the traction system is in a safe turn-off state.
6. The traction turn-off control method for a high-speed magnetic levitation system as recited in claim 1, wherein the interrupted state indicates that the traction system is in a safe turn-off state.
7. The traction cut-off control method for the high-speed magnetic levitation system as recited in claim 1, wherein the operation state indicates that the traction system is released, and all switches of the traction system are closed at the moment, so as to supply power to the magnetic levitation train according to the operation requirement.
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