CN114358339A - Professional collaborative analysis method for urban rail transit platform door span - Google Patents
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Abstract
The invention discloses a cross-professional collaborative fault analysis method for urban rail transit platform doors, which comprises the steps of establishing a tree diagram according to fault nodes in the control process of a multi-platform system, wherein a root node represents a switch-related execution command judgment link of each system, a branch node represents a single system positioning link, and a leaf node represents a fault reason in a single system; the related execution commands of the switches in the platforms are stored into the corresponding branch nodes, the changes of the relay states and various data indexes of the electrical characteristic indexes in a single system are stored into the corresponding leaf nodes, and when a fault occurs in the operation process of the platform door, the fault range is narrowed according to the tree diagram, and the fault is positioned in the range of the single system. The invention combines the signal professional data and the data analysis of the platform door system, and can more accurately position the fault.
Description
Technical Field
The invention relates to the technical field of urban rail transit, in particular to a platform door span professional collaborative analysis method for urban rail transit.
Background
With the rapid development of rail transit in China, subways become important travel tools in most front-line cities, and the safety guarantee and the operation efficiency of a subway operation system are problems needing to be considered simultaneously.
The train stops at every turn and triggers the action of opening and closing the platform door in the subway operation process, the application frequency of the platform door is very high, and when equipment breaks down, passengers can be influenced to get on and off the train, so that the train is delayed and even the passengers are injured by clamping. Therefore, the maintenance and diagnosis technology for the platform door is an important ring in subway operation guarantee.
The control process of the platform door system is a control process across professional multiple systems. In order to ensure the running of the train and the personal safety of passengers, after the train enters a platform and is stably stopped, the train door and the platform door are in linkage control, so that the automatic simultaneous opening and closing of the train door and the platform door are realized. The control process of the platform door system means that the vehicle-mounted signal equipment and the ground signal equipment establish vehicle-ground wireless communication, after judging that the train enters a parking area and is stably parked, a vehicle door and a platform door are normal, the interlocking relationship is correct and the like are met, an instruction is sent to the vehicle door control system and is simultaneously sent to the station computer interlocking system, the interlocking system receives the instruction and drives the platform door to open or close a relay, and the platform door system controls the platform door to open or close according to the collected relay state, so that the control process of a set of platform doors is completed.
Therefore, the control process of the platform door system passes through four specialties of signal specialties, vehicle specialties, communication specialties and electromechanical specialties, and comprises five systems of a vehicle-mounted system, a vehicle system, a wireless transmission system, an interlocking system and the platform door system. The normal opening and closing of the platform door can be influenced by the abnormality of the five systems in the four specialties.
Disclosure of Invention
The invention aims to solve the problem that the platform door fault is difficult to locate and provides a platform door cross-professional collaborative analysis method. According to the change of various data indexes of the platform door switch related execution command, the relay state and the electrical characteristic index, the reason and place of the platform door fault are located, the platform door fault is rapidly located, the fault response efficiency is improved, and the maintenance cost is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme:
a cross-professional collaborative fault analysis method for urban rail transit platform doors is characterized in that a tree diagram is built according to fault nodes in the control process of a multi-platform system, a root node represents a judgment link of a switch related execution command of each system, branch nodes represent a single system positioning link, and leaf nodes represent fault reasons in the single system.
The related execution commands of the switches in the platforms are stored into the corresponding branch nodes, the changes of the relay states and various data indexes of the electrical characteristic indexes in a single system are stored into the corresponding leaf nodes, and when a fault occurs in the operation process of the platform door, the fault range is narrowed according to the tree diagram, and the fault is positioned in the range of the single system.
The method for analyzing the cross-professional collaborative fault of the urban rail transit platform door further has the following technical characteristics:
for example, in the platform door cross-professional collaborative fault analysis method provided by an embodiment of the present disclosure, the multi-platform system includes a platform door system, an interlock system, a vehicle-ground wireless communication system, a vehicle-mounted system, and a vehicle system.
For example, in a platform door cross-professional collaborative fault analysis method provided in an embodiment of the present disclosure, a single system in the multi-platform system corresponds to a single switch-related execution command; wherein, the corresponding root node of the platform door system is the platform door system which is not successfully executed with the platform door opening and closing instruction; the root node corresponding to the interlocking system is that the interlocking does not correctly send shielding door fault information or the interlocking system does not receive a platform door switch instruction; a root node corresponding to the train-ground wireless communication system is that the train-mounted system normally sends a platform door opening and closing instruction or the train-mounted CC does not send the platform door opening and closing instruction; the root node corresponding to the vehicle-mounted system is that the vehicle-mounted system does not correctly send a platform door opening and closing instruction or the vehicle-mounted system does not correctly send a vehicle door opening and closing instruction; and the root node corresponding to the vehicle system is used for correctly executing the door opening and closing command for the vehicle system.
For example, in the platform door-span professional collaborative fault analysis method provided in an embodiment of the present disclosure, the fault cause in a single system in the leaf nodes is divided into multiple fault situations, for example, the leaf nodes corresponding to the platform door system are: when a positioning fault occurs inside the platform door system, respectively analyzing the resistance of the platform door body, analyzing the running state fault of the electromagnetic lock and detecting and analyzing the running state of the platform door power supply system; the leaf nodes corresponding to the interlocking system are as follows: when the positioning fault occurs in the interlocking system, checking the interlocking maintenance machine and analyzing the interlocking signal; the leaf nodes corresponding to the train-ground wireless communication system are as follows: when a positioning fault occurs in the process of vehicle-ground wireless communication, whether a vehicle-ground wireless communication equipment AP (wireless access point) fault occurs in a station area in a period before and after the fault occurs or not is checked; the leaf nodes corresponding to the vehicle-mounted system are as follows: when the positioning fault occurs in the vehicle, whether the train door is opened or closed abnormally is checked; the leaf nodes corresponding to the vehicle system are as follows: when the positioning fault occurs in the vehicle system, the vehicle-mounted system can be analyzed by checking the timing chart of the door switch and the platform door switch after the train stops.
Compared with the prior art, the invention provides a professional collaborative analysis method for platform door span of urban rail transit, which has the following beneficial effects:
1. the invention combines the signal professional data and the data analysis of the platform door system, and can more accurately position the fault.
2. The invention can ensure the real-time requirement of system alarm through real-time data monitoring and analysis.
Drawings
To more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings of the embodiments will be briefly introduced below, and it is apparent that the drawings in the following description relate only to some embodiments of the present disclosure and are not limiting to the present disclosure.
Fig. 1 is a flow chart of fault analysis of abnormal opening and closing of platform doors in a professional inter-platform collaborative analysis method for urban rail transit.
FIG. 2 is a timing diagram of train stop in the professional collaborative analysis method for platform door span of urban rail transit according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.
A cross-professional collaborative fault analysis method for urban rail transit platform doors is characterized in that a tree diagram is built according to fault nodes in the control process of a multi-platform system, a root node represents a judgment link of a switch related execution command of each system, branch nodes represent a single system positioning link, and leaf nodes represent fault reasons in the single system.
And storing the related execution commands of the switches in the platform systems into corresponding branch nodes, storing the change of each data index of the relay state and the electrical characteristic index in a single system into corresponding leaf nodes, and reducing the fault range according to the tree diagram when a fault occurs in the operation process of the platform door so as to position the fault in the range of the single system.
The multi-platform system comprises a platform door system, an interlocking system, a vehicle-ground wireless communication system, a vehicle-mounted system and a vehicle system.
A single system in the multi-platform system corresponds to a single switch related execution command; wherein the content of the first and second substances,
the corresponding root node of the platform door system is the platform door system which does not successfully execute the platform door opening and closing instruction; if the platform door system fails to execute the platform door opening and closing command, a fault is present in the platform door system.
And the root node corresponding to the interlocking system is that the interlocking does not correctly send shielding door fault information or the interlocking system does not receive a platform door switching instruction.
If the interlock does not correctly send the shield door fault information, the fault is in the interlock system.
If the interlocking system does not receive the platform door opening and closing instruction, the train-ground wireless communication system needs to be checked.
And the root node corresponding to the train-ground wireless communication system is used for normally sending a platform door opening and closing instruction by the train-mounted system or not sending the platform door opening and closing instruction by the train-mounted CC.
And if the vehicle-mounted system normally sends a platform door opening and closing instruction, the vehicle-mounted system fails to work in the wireless communication system.
If the vehicle-mounted CC does not send a platform door opening and closing instruction, the vehicle-mounted system and the vehicle system need to be analyzed.
The root node corresponding to the vehicle-mounted system is that the vehicle-mounted system does not correctly send the platform door opening and closing instruction or the vehicle-mounted system does not correctly send the vehicle door opening and closing instruction.
If the on-board system does not correctly send a platform door opening and closing command, the fault is operated by the on-board system or a driver.
If the vehicle system does not properly send a door open/close command, the fault is either in the vehicle system or the driver operates.
And the root node corresponding to the vehicle system is used for correctly executing the door opening and closing command for the vehicle system.
If the vehicle system is performing the door switch command correctly, the fault is in the vehicle system.
The above is the positioning of the fault system, and the single system needs to be analyzed accurately.
The cause of the failure in a single system in the leaf node is divided into multiple failure cases, such as
The leaf nodes corresponding to the platform door system are: when a positioning fault occurs inside the platform door system, respectively analyzing the resistance of the platform door body, analyzing the running state fault of the electromagnetic lock and detecting and analyzing the running state of the platform door power supply system;
the platform door body resistance analysis method comprises the steps of monitoring parameters such as motor current and temperature through DCU (door control unit) software, judging whether the door body resistance approaches or exceeds a critical state of meeting an obstacle, and then giving an alarm in advance to remind maintenance personnel to adjust.
The system monitors the running state of the electromagnetic lock, monitors the running state of the travel switch of the electromagnetic lock through software, judges whether the travel switch has the faults of incapability of triggering, incapability of releasing, abnormal unlocking or triggering and the like, and reminds maintenance personnel to adjust.
The operation state of a platform door power supply system is detected and analyzed, the operation state of the power supply system and fault alarm information are counted through monitoring software, information of undervoltage, open phase and power failure, storage battery pack undervoltage, bus undervoltage, UPS module undervoltage, communication and fault of each module, state and fault of each switch, insulation condition of each feeder line loop, storage battery use, single storage battery undervoltage, internal resistance increase, temperature over-high and the like is collected in each station, the information is uploaded through a network transmission layer, a data report is generated through line and classified storage management analysis, the data information can be set according to level authority and is issued to terminals of each level, and users of each level receive the data information and instructions according to the whole line to guide operation and maintenance work.
The leaf nodes corresponding to the interlocking system are as follows: when the positioning fault occurs in the interlocking system, checking the interlocking maintenance machine and analyzing the interlocking signal;
analyzing whether the interlock sends the driving information to the KMJ or GMJ. If not, the interlock drive plate problem can be located. If so, then KMJ or GMJ is analyzed for activity. If not, a KMJ or GMJ fault may be located. If the signalling system can be considered to have correctly transmitted the effective information of the platform door switch, the circuit between the signalling system and the platform door system should be checked.
The leaf nodes corresponding to the train-ground wireless communication system are as follows: when a positioning fault occurs in the process of vehicle-ground wireless communication, whether a vehicle-ground wireless communication equipment AP (wireless access point) fault occurs in a station area in a period before and after the fault occurs or not is checked; generally, the main cause of the degradation of the communication quality is the deterioration of the signal-to-noise ratio, which is usually caused by the rise of the noise floor or the low of the target signal. The noise floor is raised, which may cause interference noise in the working frequency band of the communication system to be greatly increased because the signal base station is close to the station. Too low a target signal may result in too low a receiver receive power due to the complex communication environment causing the signal to fade faster.
The leaf nodes corresponding to the vehicle-mounted system are as follows: when the positioning fault occurs in the vehicle, whether the train door is opened or closed abnormally is checked; .
The vehicle-mounted system gives out the door opening condition of the platform door: when the train stops stably at a specified stop point in the station, the platform door can be opened, and the train door and the platform door are opened simultaneously.
The vehicle-mounted system gives a platform door closing condition: when the train door is closed, the platform door is also closed at the same time. Only if all doors are closed and locked, it is possible for the train to start
The time sequence of the door switch and the platform door switch after the train stops can be checked to analyze the stage of the stop where the vehicle-mounted system or the driver operates and has a problem
The leaf nodes corresponding to the vehicle system are as follows: when the positioning fault occurs in the vehicle system, the vehicle-mounted system can be analyzed by checking the timing chart of the door switch and the platform door switch after the train stops. The train door opening and closing faults are mainly divided into two conditions, one is that the train door cannot be closed, the other is that the train door is not closed tightly, and different analysis processing can be carried out according to the two conditions. The door fails to close for the most immediate reason related to the jamming of the door button. In the operation of subway trains, two control modes of signal control and manual control exist. Therefore, the control mode employed when the door-closing failure is checked by the operation is first performed, and then the door system, the electrical system, and the TCMS system are sequentially checked. The main reason for the untight closing of the door is due to the excessive tension of the toothed belt device or the breakage of the latch hook.
The following points need to be explained:
1. in the drawings of the embodiments of the present disclosure, only the structures related to the embodiments of the present disclosure are referred to, and other structures may refer to general designs.
2. Features of the disclosure in the same embodiment and in different embodiments may be combined with each other without conflict.
The above is only a specific embodiment of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present disclosure, and shall be covered by the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (4)
1. A cross-professional collaborative fault analysis method for urban rail transit platform doors is characterized in that a tree diagram is built according to fault nodes in the control process of a multi-platform system, a root node represents a switch-related execution command judgment link of each system, branch nodes represent a single system positioning link, and leaf nodes represent fault reasons in the single system;
and storing the related execution commands of the switches in the platform systems into corresponding branch nodes, storing the change of each data index of the relay state and the electrical characteristic index in a single system into corresponding leaf nodes, and reducing the fault range according to the tree diagram when a fault occurs in the operation process of the platform door so as to position the fault in the range of the single system.
2. The urban rail transit platform door cross-professional collaborative analysis method according to claim 1, wherein the multi-platform system comprises a platform door system, an interlocking system, a vehicle-ground wireless communication system, a vehicle-mounted system and a vehicle system.
3. The method according to claim 2, wherein the multiple platform system is configured to execute commands related to the corresponding switches of a single system; wherein the content of the first and second substances,
the corresponding root node of the platform door system is the platform door system which is not successfully executed with the platform door opening and closing instruction;
the root node corresponding to the interlocking system is that the interlocking does not correctly send shielding door fault information or the interlocking system does not receive a platform door switch instruction;
a root node corresponding to the train-ground wireless communication system is that the train-mounted system normally sends a platform door opening and closing instruction or the train-mounted CC does not send the platform door opening and closing instruction;
the root node corresponding to the vehicle-mounted system is that the vehicle-mounted system does not correctly send a platform door opening and closing instruction or the vehicle-mounted system does not correctly send a vehicle door opening and closing instruction;
and the root node corresponding to the vehicle system is used for correctly executing the door opening and closing command for the vehicle system.
4. The method according to claim 2 or 3, wherein the fault causes in the single system of the leaf nodes are divided into multiple fault situations, such as
The leaf nodes corresponding to the platform door system are: when a positioning fault occurs inside the platform door system, respectively analyzing the resistance of the platform door body, analyzing the running state fault of the electromagnetic lock and detecting and analyzing the running state of the platform door power supply system;
the leaf nodes corresponding to the interlocking system are as follows: when the positioning fault occurs in the interlocking system, checking the interlocking maintenance machine and analyzing the interlocking signal;
the leaf nodes corresponding to the train-ground wireless communication system are as follows: when a positioning fault occurs in the process of vehicle-ground wireless communication, whether a vehicle-ground wireless communication equipment AP (wireless access point) fault occurs in a station area in a period before and after the fault occurs or not is checked;
the leaf nodes corresponding to the vehicle-mounted system are as follows: when the positioning fault occurs in the vehicle, whether the train door is opened or closed abnormally is checked;
the leaf nodes corresponding to the vehicle system are as follows: when the positioning fault occurs in the vehicle system, the vehicle-mounted system can be analyzed by checking the timing chart of the door switch and the platform door switch after the train stops.
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