Gangway maintenance management system based on cloud data

Abstract

The present invention relates to the technical field of gangway maintenance management, and specifically, to a gangway maintenance management system based on cloud data. It comprises a judgment alarm unit, a calculation comparison unit, and a maintenance plan unit. The maintenance plan unit of the present invention formulates a gangway maintenance plan based on the acquired historical maintenance plan data of poor connection of gangway circuits and the acquired historical maintenance plan data of short circuit failure of gangway circuits, and implements maintenance according to the formulated gangway maintenance plan data, so that common poor connection and short circuit failure problems can be identified, and corresponding preventive maintenance plans can be formulated to effectively prevent the recurrence of these problems. At the same time, by implementing the maintenance plan, poor connection and short circuit failure problems of gangway circuits can be discovered and solved in time, so as to avoid further deterioration of problems or failures, ensure the normal operation of the gangway circuit, and improve the stability and reliability of the gangway circuit.

Description

Technical Field

[0001] The present invention relates to the technical field of gangway maintenance management, and in particular to a gangway maintenance management system based on cloud data. Background Art

[0002] The gangway maintenance management based on cloud data is a system that can manage the maintenance of the gangway. By managing the maintenance of the gangway, the reliability and safety of the gangway can be improved, and the maintenance cost and risk can be reduced. When the operation status of the gangway is monitored through the cloud platform, cloud data is obtained from the cloud platform in real time, and then the resistance data is obtained from the gangway operation status in the cloud data. When the resistance value data increases or decreases, it means that the connection part of the gangway wire is corroded or oxidized, resulting in poor connection of the gangway circuit, which reduces the stability of the gangway circuit. Due to the poor connection of the gangway circuit, the current data of the gangway increases or decreases suddenly, resulting in a circuit short circuit fault in the gangway, which reduces the reliability of the gangway circuit. In order to avoid the short circuit fault of the gangway caused by the poor connection of the gangway circuit, we provide a gangway maintenance management system based on cloud data. Summary of the invention

[0003] The purpose of the present invention is to provide a gangway maintenance management system based on cloud data to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned object, the present invention provides a gangway maintenance management system based on cloud data, including a judgment alarm unit, a calculation comparison unit, and a maintenance plan unit;

[0005] The judgment alarm unit remotely monitors the state of the gangway through the cloud platform and obtains resistance value data, and then uses the obtained resistance value data to judge the abnormal state of the gangway, judges that the gangway has a poor circuit connection and issues an alarm;

[0006] The calculation and comparison unit is used to receive data from the judgment alarm unit indicating that the gangway has a poor circuit connection, and the calculation and comparison unit obtains resistance value data and voltage value data from the judgment alarm unit to calculate the current value, and then uses the calculated current value data to detect whether the gangway has a circuit short circuit fault;

[0007] The maintenance plan unit is used to receive data from the alarm unit to determine whether there is a poor circuit connection in the gangway ladder and data from the calculation and comparison unit to detect whether there is a circuit short circuit fault in the gangway ladder and formulate a gangway ladder maintenance plan, and then implement maintenance according to the formulated gangway ladder maintenance plan data.

[0008] As a further improvement of the technical solution, the judgment alarm unit includes a comparison judgment module and an abnormal alarm module;

[0009] The comparison and judgment module remotely monitors the state of the gangway through the cloud platform, obtains cloud data from the cloud platform, and then obtains the gangway state data in real time from the cloud data, takes resistance value data from the obtained gangway state data, and simultaneously obtains historical maintenance scheme data of poor connection of the gangway circuit and historical maintenance scheme data of short circuit fault of the gangway circuit, and judges the abnormal state of the gangway by comparing the taken resistance value data with the set resistance value data;

[0010] The abnormal alarm module is used to receive abnormal command data indicating that there is a poor circuit connection in the gangway in the comparison and judgment module and to issue an alarm.

[0011] As a further improvement of the technical solution, the specific comparison and judgment situations in the comparison and judgment module include:

[0012] Case ①: When the resistance value data CD is greater than the set resistance value data SD, it means that the connection part of the gangway wire is corroded or oxidized, which increases the resistance value data CD, resulting in poor connection of the gangway circuit, and it is judged that the gangway circuit has a poor connection abnormal state, and the abnormal command data of the gangway circuit having a poor connection is transmitted to the abnormal alarm module;

[0013] Case ②: When the resistance value data CD taken is less than the set resistance value data SD, it means that the connecting part of the gangway wire is corroded or oxidized, which reduces the resistance value data CD taken, resulting in poor connection of the gangway circuit, and it is judged that the gangway has an abnormal state of poor circuit connection, and the abnormal command data of poor circuit connection of the gangway is transmitted to the abnormal alarm module.

[0014] As a further improvement of the technical solution, the calculation and comparison unit includes a current calculation module and a comparison detection module;

[0015] The current calculation module is used to receive the abnormal command data indicating that the gangway has a poor circuit connection in the comparison and judgment module, the current calculation module obtains the gangway state data and the resistance value data from the comparison and judgment module, and then obtains the voltage value data from the obtained gangway state data, and calculates the current value according to the resistance value data and the voltage value data using Ohm's law;

[0016] The comparison detection module is used to receive the current value data calculated in the current calculation module, and compare the calculated current value data with the set current value data, and detect the existence of a circuit short circuit fault in the gangway according to the comparison result.

[0017] As a further improvement of the technical solution, the implementation principle of calculating the current value using Ohm's law in the current calculation module is:

[0018] First, collect the resistance value data R and the voltage value data V, then divide the resistance value data R by the voltage value data V, and obtain the calculated current value data I. The specific algorithm formula is:

[0019] ;

[0020] The resistance value data R is in ohm (Ω), the voltage value data V is in volt (V), and the calculated current value data I is in ampere (A).

[0021] As a further improvement of the technical solution, the specific comparison conditions in the comparison detection module include:

[0022] Case 1: The calculated current value data I is greater than the set current value data When the calculated current value data I increases abnormally, it indicates that the gangway has a short circuit fault, and the gangway short circuit fault detection data is transmitted to the maintenance plan unit;

[0023] Case 2: The calculated current value data I is less than the set current value data When , it indicates that the calculated current value data I decreases abnormally, causing a circuit short circuit fault in the gangway, and the data of detecting the circuit short circuit fault in the gangway is transmitted to the maintenance plan unit.

[0024] As a further improvement of the present technical solution, the maintenance plan unit is used to receive abnormal command data of poor circuit connection of the gangway ladder in the comparison and judgment module and circuit short circuit fault data of the gangway ladder detected in the comparison and detection module. When the abnormal command data of poor circuit connection of the gangway ladder and the circuit short circuit fault data of the gangway ladder are received, the maintenance plan unit obtains the historical maintenance plan data of poor gangway ladder circuit connection and the historical maintenance plan data of short circuit fault of the gangway ladder from the comparison and judgment module, and uses split hierarchical clustering to formulate a gangway ladder maintenance plan based on the acquired historical maintenance plan data of poor gangway ladder circuit connection and the acquired historical maintenance plan data of short circuit fault of the gangway ladder, and implements maintenance according to the formulated gangway ladder maintenance plan data.

[0025] As a further improvement of the technical solution, the steps for implementing the gangway maintenance plan by using split hierarchical clustering in the maintenance plan unit are as follows:

[0026] Step 1: First, collect the historical maintenance plan data of poor gangway circuit connection and obtain historical maintenance gangway circuit short circuit fault scenario data And integrated into data set data , and then from the data set data Extract relevant features from ;

[0027] Related Features Include connection component type features , Problem Description Features , Gangway location characteristics , Fault frequency characteristics ;

[0028] Step 2: Select relevant features Standardization is performed to ensure that the scales of each feature are consistent to avoid unreasonable influence of each feature on the clustering results, and Z-score standardization is used for standardization;

[0029] The implementation steps of standardization using Z-score standardization are as follows:

[0030] S1. First, obtain the data set data in step ① and related features data, and then the relevant features The data is used to calculate the average value of relevant features and obtain the calculated average value of relevant features , the specific algorithm formula is:

[0031] ;

[0032] The number 4 refers to the relevant feature The number of features in the data;

[0033] S2. According to relevant characteristics The data is added and summed, and the relevant features are obtained The sum of the data, and then use the relevant features The number of features in the data, related features The sum of the data and related features The first feature in the data is the connection component type feature , calculated average value of relevant features Calculate the standard deviation and obtain the calculated standard deviation , the specific algorithm formula is:

[0034] ;

[0035] S3. Using Dataset Data , calculated average value of relevant features , calculated standard deviation Perform standardized processing and obtain the processed standardized data Z. The specific algorithm formula is:

[0036] ;

[0037] Step 3: Obtain the historical maintenance ladder circuit connection problem plan data and obtain historical maintenance gangway circuit short circuit fault scenario data As an initial class , select an initial class according to the splitting criterion Split to generate two subclasses , and then according to the two subclasses obtained by splitting , update the clustering structure, and then check again after the update to reach the predetermined number of clusters, the size of the sub-class reaches the set threshold, and the stop condition is met, then stop splitting, otherwise, continue to execute according to the splitting criterion to select an initial class Split to generate two subclasses , and then according to the two subclasses obtained by splitting , update the clustering structure and get the final clustering result ;

[0038] Step ④: Based on the final clustering results Draw a cluster tree diagram , showing the splitting of different data in the clustering process, as well as the hierarchical relationship between clusters, and drawing a clustering tree diagram Use the hierarchical clustering diagram of the tree diagram to show the splitting of different data points in the clustering process and the hierarchical relationship between clusters. In , a node represents a cluster, and the connection between nodes represents the splitting process of the cluster;

[0039] Step 5: Based on the final clustering results And the final cluster Characteristics of cluster C, develop maintenance plans for different types of gangway circuit problems, including specific measures for cleaning, repairing, and replacing connection parts;

[0040] S1. When clustering Cluster C in the figure shows the characteristics of being affected by dust and dirt, and undergoes regular cleaning and maintenance programs;

[0041] S2, when clustering Cluster C in the diagram shows wear, corrosion, loosening and other issues, and maintenance measures were implemented.

[0042] Compared with the prior art, the present invention has the following beneficial effects:

[0043] In the gangway maintenance management system of cloud data, the maintenance plan unit receives the abnormal command data of poor circuit connection of the gangway in the comparison and judgment module and the circuit short circuit fault data of the gangway detected in the comparison and detection module, and formulates a gangway maintenance plan based on the acquired historical maintenance plan data of poor gangway circuit connection and the acquired historical maintenance plan data of short circuit fault of the gangway circuit, and implements maintenance according to the formulated gangway maintenance plan data, which can identify common poor connection and short circuit fault problems, and formulate corresponding preventive maintenance plans to effectively prevent the recurrence of these problems. At the same time, through the implementation of the maintenance plan, the poor connection and short circuit fault problems of the gangway circuit can be discovered and solved in time to avoid further deterioration of the problems or faults, ensure the normal operation of the gangway circuit, and improve the stability and reliability of the gangway circuit. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 is an overall block diagram of the present invention;

[0045] Figure 2 It is a block diagram of the judgment alarm unit of the present invention;

[0046] Figure 3 It is a block diagram of the calculation comparison unit of the present invention.

[0047] The meaning of each number in the figure is:

[0048] 1. Judgment alarm unit; 11. Comparison judgment module; 12. Abnormal alarm module;

[0049] 2. Calculation and comparison unit; 21. Current calculation module; 22. Comparison and detection module; 3. Maintenance plan unit. DETAILED DESCRIPTION

[0050] The following will be combined with the accompanying drawings in the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example 1

[0051] The present invention provides a gangway maintenance management system based on cloud data, please refer to Figure 1-Figure 3 , including a judgment alarm unit 1, a calculation comparison unit 2, and a maintenance plan unit 3;

[0052] The judgment alarm unit 1 remotely monitors the state of the gangway through the cloud platform and obtains resistance value data, and then uses the obtained resistance value data to judge the abnormal state of the gangway, judges that the gangway has a poor circuit connection and issues an alarm; the calculation and comparison unit 2 is used to receive the data of the gangway poor circuit connection in the judgment alarm unit 1, the calculation and comparison unit 2 obtains the resistance value data and the voltage value data from the judgment alarm unit 1 to calculate the current value, and then uses the calculated current value data to detect the existence of a circuit short circuit fault in the gangway; the maintenance plan unit 3 is used to receive the data of the gangway poor circuit connection in the judgment alarm unit 1 and the calculation and comparison unit 2 to detect the existence of a circuit short circuit fault in the gangway and formulate a gangway maintenance plan, and then implement maintenance according to the formulated gangway maintenance plan data.

[0053] The following is a refinement of the above units, see Figure 1-Figure 3 ;

[0054] The judgment alarm unit 1 includes a comparison judgment module 11 and an abnormal alarm module 12;

[0055] The comparison and judgment module 11 remotely monitors the gangway status through the cloud platform, obtains cloud data from the cloud platform, and then obtains the gangway status data in real time from the cloud data, takes resistance value data from the obtained gangway status data, and simultaneously obtains the historical maintenance gangway circuit poor connection solution data and the historical maintenance gangway circuit short circuit fault solution data, and uses the comparison between the taken resistance value data and the set resistance value data to judge the abnormal state of the gangway.

[0056] The specific comparison and judgment situations in the comparison and judgment module 11 include:

[0057] Case ①, when the resistance value data CD is greater than the set resistance value data SD, it means that the connection part of the gangway wire is corroded or oxidized, which increases the resistance value data CD, resulting in poor connection of the gangway circuit, and it is judged that the gangway circuit has a poor connection abnormal state, and the abnormal command data of the gangway circuit having a poor connection is transmitted to the abnormal alarm module 12;

[0058] Case ②, when the resistance value data CD is less than the set resistance value data SD, it means that the connection part of the gangway wire is corroded or oxidized, so that the resistance value data CD is reduced, resulting in poor connection of the gangway circuit, and it is judged that the gangway circuit has a poor connection abnormal state, and the abnormal command data of the gangway circuit having a poor connection is transmitted to the abnormal alarm module 12;

[0059] The acquired gangway status data includes gangway operation status data, and the gangway operation status data includes resistance and voltage data in the gangway operation status;

[0060] The abnormal alarm module 12 is used to receive the abnormal command data indicating that the gangway has a poor circuit connection in the comparison and judgment module 11 and to issue an alarm.

[0061] The calculation and comparison unit 2 includes a current calculation module 21 and a comparison detection module 22;

[0062] The current calculation module 21 is used to receive the abnormal command data indicating that the gangway has a poor circuit connection in the comparison and judgment module 11, and the current calculation module 21 obtains the gangway state data and the resistance value data from the comparison and judgment module 11, and then obtains the voltage value data from the obtained gangway state data, and calculates the current value according to the resistance value data and the voltage value data using Ohm's law;

[0063] The implementation principle of calculating the current value using Ohm's law in the current calculation module 21 is:

[0064] First, collect the resistance value data R and the voltage value data V, then divide the resistance value data R by the voltage value data V, and obtain the calculated current value data I. The specific algorithm formula is:

[0065] ;

[0066] Among them, the resistance value data R is in ohm Ω, the voltage value data V is in volt V, and the calculated current value data I is in ampere A. This formula is used to calculate the current value. By calculating the current value data, it can serve as a basis for subsequent detection of short-circuit faults in the gangway circuit;

[0067] The comparison detection module 22 is used to receive the current value data calculated by the current calculation module 21, and compare the calculated current value data with the set current value data, and detect the existence of a circuit short circuit fault in the gangway according to the comparison result;

[0068] The specific comparison situations in the comparison detection module 22 include:

[0069] Case 1: The calculated current value data I is greater than the set current value data When , it indicates that the calculated current value data I increases abnormally, causing a short circuit fault in the gangway, and the detection data of the short circuit fault in the gangway is transmitted to the maintenance plan unit 3;

[0070] Case 2: The calculated current value data I is less than the set current value data When , it indicates that the calculated current value data I is abnormally reduced, causing a short circuit fault in the gangway, and the detection data of the short circuit fault in the gangway is transmitted to the maintenance plan unit 3;

[0071] The maintenance plan unit 3 is used to receive the abnormal command data of the gangway ladder having poor circuit connection in the comparison and judgment module 11 and the detection data of the gangway ladder having short circuit fault in the comparison and detection module 22. When the abnormal command data of the gangway ladder having poor circuit connection and the detection data of the gangway ladder having short circuit fault are received, the maintenance plan unit 3 obtains the historical gangway ladder circuit poor connection maintenance plan data and the historical gangway ladder circuit short circuit fault maintenance plan data from the comparison and judgment module 11, and formulates the gangway ladder maintenance plan according to the obtained historical gangway ladder circuit poor connection maintenance plan data and the obtained historical gangway ladder circuit short circuit fault maintenance plan data by using split hierarchical clustering, and implements maintenance according to the formulated gangway ladder maintenance plan data, so as to identify common poor connection and short circuit fault problems, formulate corresponding preventive maintenance plans, effectively prevent these problems from happening again, improve the stability and reliability of the gangway ladder circuit, and timely discover and solve the poor connection and short circuit fault problems of the gangway ladder circuit by implementing the maintenance plan, avoid further deterioration of these problems, and ensure the normal operation of the circuit;

[0072] The implementation steps of using split hierarchical clustering to develop a gangway maintenance plan in maintenance plan unit 3 are as follows:

[0073] Step 1: First, collect the historical maintenance plan data of poor gangway circuit connection and obtain historical maintenance gangway circuit short circuit fault scenario data And integrated into data set data , and then from the data set data Extract relevant features from ;

[0074] Related Features Include connection component type features , Problem Description Features , Gangway location characteristics , Fault frequency characteristics ;

[0075] Connection component type characteristics Refers to recording the types of connecting components involved in the gangway circuit, including wires, plugs, and sockets;

[0076] Problem Description Features It refers to the description of the specific manifestations of the gangway ladder circuit being poorly connected due to corrosion or oxidation of the connecting parts of the gangway ladder wires and the specific manifestations of the gangway ladder circuit short circuit failure due to poor gangway ladder circuit connection;

[0077] Gangway Location Features It means that the gangway circuits are distributed in different locations or areas, and the location information of the gangway is recorded to facilitate quick access to the designated maintenance point;

[0078] Fault frequency characteristics Refers to recording the frequency of occurrence of circuit short-circuit fault types to facilitate the priority formulation of corresponding maintenance plans;

[0079] Step 2: Select relevant features Standardization is performed to ensure that the scales of each feature are consistent to avoid unreasonable influence of each feature on the clustering results, and Z-score standardization is used for standardization;

[0080] The implementation steps of standardization using Z-score standardization are as follows:

[0081] S1. First, obtain the data set data in step ① and related features data, and then the relevant features The data is used to calculate the average value of relevant features and obtain the calculated average value of relevant features , the specific algorithm formula is:

[0082] ;

[0083] The number 4 refers to the relevant feature The number of features in the data. This formula is used to calculate the average value of related features. Calculating the average value of related features can serve as the basis for subsequent calculation of standard deviation.

[0084] S2. According to relevant characteristics The data is added and summed, and the relevant features are obtained The sum of the data, and then use the relevant features The number of features in the data, related features The sum of the data and related features The first feature in the data is the connection component type feature , calculated average value of relevant features Calculate the standard deviation and obtain the calculated standard deviation , the specific algorithm formula is:

[0085] ;

[0086] This formula is used to calculate the standard deviation, which serves as the basis for subsequent standardization processing;

[0087] S3. Using Dataset Data , calculated average value of relevant features , calculated standard deviation Perform standardized processing and obtain the processed standardized data Z. The specific algorithm formula is:

[0088] ;

[0089] This formula is used for standardization processing, which can prevent each feature from having an unreasonable impact on the clustering results.

[0090] Step 3: Obtain the historical maintenance ladder circuit connection problem plan data and obtain historical maintenance gangway circuit short circuit fault scenario data As an initial class , select an initial class according to the splitting criterion Split to generate two subclasses , and then according to the two subclasses obtained by splitting , update the clustering structure, and then check again after the update to reach the predetermined number of clusters, the size of the sub-class reaches the set threshold, and the stop condition is met, then stop splitting, otherwise, continue to execute according to the splitting criterion to select an initial class Split to generate two subclasses , and then according to the two subclasses obtained by splitting , update the clustering structure and get the final clustering result ;

[0091] Step ④: Based on the final clustering results Draw a cluster tree diagram , showing the splitting of different data in the clustering process, as well as the hierarchical relationship between clusters, and drawing a clustering tree diagram Use the hierarchical clustering diagram of the tree diagram to show the splitting of different data points in the clustering process and the hierarchical relationship between clusters. In the example, a node represents a cluster, and the connection between nodes represents the splitting process of the cluster. The specific implementation steps are:

[0092] S1, root node Represents the initial data set data , contains all the data, as the clustering process proceeds, the clustering tree diagram Gradually display child nodes The formation process of the child node Produced by splitting the parent node, the child node The size of can represent the size of the parent node, and the size of the parent node refers to the amount of data;

[0093] S2. The connection between nodes represents the splitting process. The thickness of the connection can indicate the degree of splitting or similarity. The final child node represents the final cluster where the data is located. ;

[0094] Step 5: Based on the final clustering results And the final cluster Characteristics of cluster C, develop maintenance plans for different types of gangway circuit problems, including specific measures for cleaning, repairing, and replacing connection parts;

[0095] S1. When clustering Cluster C in the figure shows the characteristics of being affected by dust and dirt, and undergoes regular cleaning and maintenance programs;

[0096] S2, when clustering Cluster C in the diagram shows wear, corrosion, loosening and other issues, and maintenance measures were implemented.

[0097] Usage process:

[0098] The comparison and judgment module 11 obtains the resistance value data, and uses the comparison between the resistance value data and the set resistance value data to judge the abnormal state of the gangway, and transmits the abnormal command data of the gangway having a poor circuit connection to the current calculation module 21. The current calculation module 21 receives the abnormal command data of the gangway having a poor circuit connection from the comparison and judgment module 11. The current calculation module 21 obtains the gangway state data and the resistance value data from the comparison and judgment module 11, and then obtains the voltage value data from the obtained gangway state data, and uses Ohm's law to calculate the current value according to the resistance value data and the voltage value data. Calculate, and pass the calculated current value data into the comparison detection module 22. The comparison detection module 22 receives the current value data calculated in the current calculation module 21 and compares it. According to the comparison result, it detects that there is a circuit short-circuit fault in the gangway, and passes the detection data of the circuit short-circuit fault in the gangway to the maintenance plan unit 3. The maintenance plan unit 3 receives the detection data of the circuit short-circuit fault in the gangway in the comparison detection module 22 and uses split hierarchical clustering to formulate a gangway maintenance plan according to the acquired historical maintenance plan data of poor gangway circuit connection and the acquired historical maintenance plan data of gangway circuit short-circuit fault.

[0099] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. The cloud-based gangway maintenance management system is characterized by: It includes a judgment alarm unit (1), a calculation comparison unit (2), and a maintenance plan unit (3); The judgment alarm unit (1) remotely monitors the state of the gangway through the cloud platform and obtains resistance value data, and then uses the obtained resistance value data to judge the abnormal state of the gangway, judges that the gangway has a poor circuit connection and issues an alarm; The calculation comparison unit (2) is used to receive data from the judgment alarm unit (1) indicating that the gangway has a poor circuit connection. The calculation comparison unit (2) obtains resistance value data and voltage value data from the judgment alarm unit (1) to calculate the current value, and then uses the calculated current value data to detect whether the gangway has a circuit short circuit fault. The maintenance plan unit (3) is used to receive the data of the gangway ladder circuit connection failure detected by the alarm unit (1) and the data of the gangway ladder circuit short circuit fault detected by the calculation comparison unit (2), formulate a gangway ladder maintenance plan, and then implement maintenance according to the formulated gangway ladder maintenance plan data.

2. The cloud data gangway maintenance management system according to claim 1 is characterized by: The judgment alarm unit (1) comprises a comparison judgment module (11) and an abnormal alarm module (12); The comparison and judgment module (11) remotely monitors the state of the gangway through a cloud platform, obtains cloud data from the cloud platform, and then obtains the gangway state data in real time from the cloud data, obtains resistance value data from the obtained gangway state data, and simultaneously obtains historical maintenance scheme data of poor gangway circuit connection and historical maintenance scheme data of gangway circuit short circuit fault, and uses the comparison between the obtained resistance value data and the set resistance value data to judge the abnormal state of the gangway; The abnormal alarm module (12) is used to receive abnormal command data indicating that the gangway has a poor circuit connection in the comparison and judgment module (11) and to issue an alarm.

3. The cloud data gangway maintenance management system according to claim 2 is characterized in that: The specific comparison and judgment situations in the comparison and judgment module (11) include: Case ①, when the resistance value data CD is greater than the set resistance value data SD, it means that the connection part of the gangway electric wire is corroded or oxidized, so that the resistance value data CD increases, resulting in poor connection of the gangway circuit, and it is judged that the gangway circuit has a poor connection abnormal state, and the abnormal command data of the gangway circuit having a poor connection is transmitted to the abnormal alarm module (12); Case ②: When the resistance value data CD is less than the set resistance value data SD, it means that the connection part of the gangway wire is corroded or oxidized, which reduces the resistance value data CD, resulting in poor connection of the gangway circuit, and determines that the gangway has an abnormal state of poor circuit connection, and transmits the abnormal command data of poor circuit connection of the gangway to the abnormal alarm module (12).

4. The cloud data gangway maintenance management system according to claim 2 is characterized in that: The calculation and comparison unit (2) comprises a current calculation module (21) and a comparison detection module (22); The current calculation module (21) is used to receive abnormal command data indicating that the gangway has a poor circuit connection in the comparison and judgment module (11), the current calculation module (21) obtains the gangway state data and the resistance value data from the comparison and judgment module (11), then obtains the voltage value data from the obtained gangway state data, and calculates the current value according to the resistance value data and the voltage value data using Ohm's law; The comparison detection module (22) is used to receive the current value data calculated in the current calculation module (21), and compare the calculated current value data with the set current value data, and detect the existence of a circuit short circuit fault in the gangway according to the comparison result.

5. The cloud data gangway maintenance management system according to claim 4 is characterized in that: The implementation principle of calculating the current value using Ohm's law in the current calculation module (21) is: First, collect the resistance value data R and the voltage value data V, then divide the resistance value data R by the voltage value data V, and obtain the calculated current value data I. The specific algorithm formula is: ； The resistance value data R is in ohm (Ω), the voltage value data V is in volt (V), and the calculated current value data I is in ampere (A).

6. The cloud data gangway maintenance management system according to claim 4, characterized in that: The specific comparison conditions in the comparison detection module (22) include: Case 1: The calculated current value data I is greater than the set current value data When the calculated current value data I increases abnormally, it indicates that a short circuit fault exists in the gangway, and the data of detecting the short circuit fault exists in the gangway is transmitted to the maintenance plan unit (3); Case 2: The calculated current value data I is less than the set current value data When , it indicates that the calculated current value data I is abnormally reduced, causing a short circuit fault in the gangway, and the data of detecting the short circuit fault in the gangway is transmitted to the maintenance plan unit (3).

7. The cloud data gangway maintenance management system according to claim 4 is characterized by: The maintenance plan unit (3) is used to receive abnormal command data indicating that the gangway ladder has poor circuit connection in the comparison and judgment module (11) and data indicating that the gangway ladder has a short circuit fault in the comparison and detection module (22). When the abnormal command data indicating that the gangway ladder has poor circuit connection and the data indicating that the gangway ladder has a short circuit fault are received, the maintenance plan unit (3) obtains historical gangway ladder circuit poor connection maintenance plan data and historical gangway ladder circuit short circuit fault maintenance plan data from the comparison and judgment module (11), and uses split hierarchical clustering to formulate a gangway ladder maintenance plan based on the obtained historical gangway ladder circuit poor connection maintenance plan data and the obtained historical gangway ladder circuit short circuit fault maintenance plan data, and implements maintenance based on the formulated gangway ladder maintenance plan data.

8. The cloud data gangway maintenance management system according to claim 7 is characterized by: The steps for implementing the gangway maintenance plan by using split hierarchical clustering in the maintenance plan unit (3) are as follows: Step 1: First, collect the historical maintenance plan data of poor gangway circuit connection and obtain historical maintenance gangway circuit short circuit fault scenario data And integrated into data set data , and then from the data set data Extract relevant features from ; Related Features Include connection component type features , Problem Description Features , Gangway location characteristics , Fault frequency characteristics ; Step 2: Select relevant features Standardization is performed to ensure that the scales of each feature are consistent to avoid unreasonable influence of each feature on the clustering results, and Z-score standardization is used for standardization; The implementation steps of standardization using Z-score standardization are as follows: S1. First, obtain the data set data in step ① and related features data, and then the relevant features The data is used to calculate the average value of relevant features and obtain the calculated average value of relevant features , the specific algorithm formula is: ； The number 4 refers to the relevant feature The number of features in the data; S2. According to relevant characteristics The data is added and summed, and the relevant features are obtained The sum of the data, and then use the relevant features The number of features in the data, related features The sum of the data and related features The first feature in the data is the connection component type feature , calculated average value of relevant features Calculate the standard deviation and obtain the calculated standard deviation , the specific algorithm formula is: ； S3. Using Dataset Data , calculated average value of relevant features , calculated standard deviation Perform standardized processing and obtain the processed standardized data Z. The specific algorithm formula is: ； Step 3: Obtain the historical maintenance ladder circuit connection problem plan data and obtain historical maintenance gangway circuit short circuit fault scenario data As an initial class , select an initial class according to the splitting criterion Split to generate two subclasses , and then according to the two subclasses obtained by splitting , update the clustering structure, and then check again after the update to reach the predetermined number of clusters, the size of the sub-class reaches the set threshold, and the stop condition is met, then stop splitting, otherwise, continue to execute according to the splitting criterion to select an initial class Split to generate two subclasses , and then according to the two subclasses obtained by splitting , update the clustering structure and get the final clustering result ; Step ④: Based on the final clustering results Draw a cluster tree diagram , showing the splitting of different data in the clustering process, as well as the hierarchical relationship between clusters, and drawing a clustering tree diagram Use the hierarchical clustering diagram of the tree diagram to show the splitting of different data points in the clustering process and the hierarchical relationship between clusters. In , a node represents a cluster, and the connection between nodes represents the splitting process of the cluster; Step 5: Based on the final clustering results And the final cluster Characteristics of cluster C, develop maintenance plans for different types of gangway circuit problems, including specific measures for cleaning, repairing, and replacing connection parts; S1. When clustering Cluster C in the figure shows the characteristics of being affected by dust and dirt, and undergoes regular cleaning and maintenance programs; S2, when clustering Cluster C in the diagram shows wear, corrosion, loosening and other issues, and maintenance measures were implemented.

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