Proceedings of the 5th International Conference on Electrical Engineering and Information Technologies for Rail Transportation (EITRT) 2021: Rail ... Notes in Electrical Engineering, 868)

Contents
Research on Alarm Correlation Analysis for EMU Train Based on Association Rule Mining Algorithm
	1 Introduction
	2 Association Rule Mining Algorithm
	3 Improvement of FP-Growth Algorithm
		3.1 Related Definitions of the Improved Algorithm
		3.2 FP-Growth Algorithm Based on the Weight Assigned
	4 Experimental Results and Analysis
		4.1 Comparison of Algorithm Performance
	5 Conclusion
	References
Feasibility Study of Li-ion Battery Based Portable Train Starter
	1 Introduction
	2 Findings
	3 Research and Development
		3.1 Innovation
		3.2 Case Study on Vehicle Starting Load
		3.3 Feasible Analysis on Train Starter
	4 Conclusion
	References
Research on Algorithm of Wheelset Profile Extraction Based on Clustering and Huff Transform
	1 Introduction
	2 Wheel Profile
	3 Data Density Clustering of Wheelset Profile
	4 Wheelset Profile Effective Area Detection
		4.1 Improved Hough Transform
		4.2 Detection of Wheelset Profile Region Based on Improved Hough Transform
	5 Wheel Pair Profile Matching
		5.1 The Coordinate Rotation
		5.2 Curve Fitting Based on Curvature Entropy
		5.3 Profile Matching Based on the Tread Reference Point
	6 Test Results and Analysis
	7 Conclusion
	References
Research on the Influence of Maximum Disturbance of Track Steel Beam on the Operation Performance of Low Speed Maglev Vehicle
	1 Introduction
	2 Selection of Operation Parameters for Low Speed Maglev Vehicle
		2.1 Standard Deviation of Suspension Gap
		2.2 UIC513 Evaluation Criteria for Vibration Comfort of Passengers in Railway Vehicles
	3 Correlation Analysis Method and Selection
		3.1 Common Correlation Analysis Methods
		3.2 Pearson Correlation Coefficient Method
	4 Case Analysis
		4.1 Experimental Process
		4.2 Result Analysis
	5 Conclusion
	References
Online Fault Diagnosis of Multi-function Vehicle Bus Based on Decision Tree
	1 Introduction
	2 MVB Fault Diagnosis System
		2.1 MVB Bus Failure
		2.2 Feature Extraction
	3 Fault Diagnosis Algorithm Based on Decision Tree
	4 Experiment Analysis
		4.1 Setup of Experiments
		4.2 Experiment Results
	5 Conclusion
	References
Battery SOC Estimation Method Based on BP Neural Network Optimized by Genetic Algorithm
	1 Introduction
	2 Battery Modeling
	3 BP Neural Network Algorithm
	4 BP Neural Network Optimized by Genetic Algorithm
	5 Verification and Analysis
		5.1 Result Analysis of BP Network Directly Adjusting Activation Function
		5.2 Analysis of Optimization Results of BP Network and Genetic Algorithm
	6 Conclusion
	References
Health Assessment Method for MVB Network
	1 Introduction
	2 Overview of Health Assessment Method for CAN Bus
		2.1 MVB Common Faults
		2.2 Feature Engineering
		2.3 Health Assessment Methods Based on LOF
	3 Experiment Analysis
		3.1 Experimental Platform
		3.2 Experimental Analysis
	4 Conclusion
	References
Design and Application of Dynamic Test Platform for Railway System Protective Relays
	1 Introduction
	2 Requirement Analysis of Dynamic Simulation Test
		2.1 Traction Transformer
		2.2 Traction Network
		2.3 Traction Load
		2.4 Protective Relays of TPSS
	3 Design of Dynamic Simulation Test System
		3.1 Modeling of TPSS
		3.2 Verification of TPSS Model
	4 Application of Dynamic Simulation Test Platform
	5 Conclusion
	References
Concrete Crack Detection Based on Hybrid Residual Network and Graph Convolutional Network
	1 Introduction
	2 Methods
		2.1 Overall Architecture
		2.2 Implementation
	3 Experiments
		3.1 Data Sets
		3.2 Experiment Details
		3.3 Experiment Results
	4 Conclusion
	References
Simulation of EMU: Vehicle Energy Consumption Evaluation
	1 Introduction
	2 Simulation of EMU
		2.1 EMU Co-simulation Platform
		2.2 EMU Formulation
	3 Simulation Scenario-Energy Consumption Evaluation
		3.1 Scenario Conditions
		3.2 Mathematical Model
		3.3 Test Results
	4 Conclusion
	References
Health Evaluation Method for Multi-function Vehicle Bus Network
	1 Introduction
	2 Introduction of MVB Health Evaluation Method
		2.1 MVB Architecture and Common Faults
		2.2 MVB Physical Waveform Feature Extraction
		2.3 SOM-Based Health Evaluation
	3 Test Analysis
		3.1 Data Collection
		3.2 Analysis of Test Results
	4 Conclusion
	References
Emergency Resource Scheduling Model of Rail Transit Based on Transportation Capacity
	1 Introduction
	2 Methodology
		2.1 Analysis of Emergency Case Knowledge Meta-model
		2.2 Emergency Resource Scheduling Model Based on Transport Capacity
	3 Results
	4 Conclusions
	References
Study on Thermal Insulation Material Selection for Lithium-Ion Power Battery System
	1 Introduction
	2 Experiment
	3 Results and Discussion
		3.1 Thermal Insulation Cotton
		3.2 Carbon Fiber Cotton
		3.3 Ceramic Fiber Cotton
		3.4 Aerogel
	4 Conclusion
	References
System Design Based on the Dynamic Simulation Platform of Urban Rail Transit Traction Power Supply
	1 Introduction
	2 Topology Design of the Main Components of the System
		2.1 Topological Circuit of Traction Power Supply System
		2.2 Topological Circuit of Main Substation
		2.3 Topological Circuit of Traction and Step-Down Hybrid Substation
		2.4 Topological Circuit of Rail Transit Train Set
	3 Control Design of PWM Rectifier for Energy-Fed Unit
		3.1 Mathematical Model of PWM Rectifier in Rotating Coordinate System
		3.2 Design of Control Loop of PWM Rectifier for Energy-Fed Unit
	4 Conclusion
	References
Research on Thermal Runaway Behavior of Lithium Titanate Anode Battery Based on Differential Abuse Conditions
	1 Introduction
	2 Experiment
	3 Results and Discussion
		3.1 Overcharge Experiment
		3.2 Overcharge + Acupuncture (Internal Short Circuit) Experiment
	4 Conclusion
	References
RUL Prediction of Railway PCCS Based on Data-Driven Method
	1 Introduction
	2 Background
	3 Research Method
		3.1 Prognostics and Health Management
		3.2 Remaining Useful Life (RUL) Prediction Technology
	4 Data Collection
		4.1 Data Analysis
		4.2 Data Segmentation
	5 Degradation Trend Analysis
	6 Similarity Models
		6.1 Process for Predicting the Remaining Useful Life of the Equipment
		6.2 Similarity Models
		6.3 Using Range of the Similarity Model
		6.4 Three Kinds of Similarity Model
		6.5 Results
	7 Conclusions
	References
Research on the Construction of Human-Factor Complex Risk Network Model for Urban Rail Transit Operation
	1 Introduction
	2 Human-Factor Complex Risk Network Model Construction Method
		2.1 Human-Factor Risk Point Extraction
		2.2 Physical and Environment Risk Point Extraction
		2.3 Risk Point Connection Relationship Analysis
		2.4 Human-Factor Complex Risk Network Model Construction
	3 Case Application
	4 Conclusion
	References
An Experimental Study on Overcharge Behaviors of Lithium-Ion Power Battery with Lithium Titanate Anode
	1 Introduction
	2 Experiment
	3 Results and Discussion
		3.1 Overcharge Behaviors of Battery A
		3.2 Overcharge Behaviors of Battery B
		3.3 Overcharge Behaviors of Battery C
		3.4 Discussion
	4 Conclusion
	References
Finite Element Analysis of the Stress and Life of Cylindrical Bearing Roller of High-Speed Railway Motor
	1 Preface
	2 Cylindrical Roller Dynamic Analysis Model
		2.1 Roller Stress and Deformation
		2.2 Force Analysis of High Speed Cylindrical Roller
		2.3 Bearing Fatigue Life Analysis
	3 Simulation and Life Calculation Based on ANSYS Workbench
		3.1 Model Establishment
		3.2 Dynamic Simulation Based on ANSYS Workbench
		3.3 Life Calculation Based on nCode Designlife
	4 Conclusion
	References
IGBT Module Life Prediction Based on Rain Flow Method and Junction Temperature Analysis
	1 Introduction
	2 Electrothermal Model and Simulation of IGBT Module
		2.1 Establishment of Electrothermal Model
		2.2 Electrothermal Simulation Verification
	3 IGBT Life Assessment Based on Rain Flow Method
		3.1 Rain Flow Method
		3.2 Evaluation of Device Aging by Rain Flow Method
	4 Conclusions
	References
Design and Research of Accelerated Aging Test Platform for IGBT Power Module
	1 Introduction
	2 Design of Accelerated Aging Test Platform
		2.1 Design of the Main Circuit of Accelerated Aging Test Platform
		2.2 Design of Control System
		2.3 Design of Driving Detection System
	3 Function Simulation Verification of Accelerated Aging Test Platform
	4 Conclusions
	References
Scheme Design and Engineering Application of Train Auxiliary Power Supply System
	1 Introduction
	2 Modeling of Locomotive Traction Transformer
		2.1 Parameter Calculation of Transformer Model
		2.2 Transformer Equivalent Model
	3 Simulation of Locomotive Traction Transformer
		3.1 The Secondary Side Inter-turn Short Circuit
		3.2 The Secondary Side Turn-to-Ground Short Circuit
		3.3 Influencing Factors of Simulation Results
	4 Conclusion
	References
A Pantograph Dynamic Comprehensive Detection System Based on Edge Calculation for Straddle Type Monorail Vehicle
	1 Introduction
	2 Detection System Design
		2.1 System Structure Design
		2.2 Realization of Contact Force Detection
		2.3 Realization of Vertical Acceleration and Temperature Detection
		2.4 Realization of Vertical Height of Contact Point and Image Monitoring Function
		2.5 Realization of Arc Detection Function
		2.6 Realization of Data Acquisition and Processing Function
	3 Application of Detection System
	4 Summary
	References
Application of Gas Detection Device Based on LoRa Wireless Communication in Rail Transit Pile Foundation Well
	1 Introduction
	2 Wearable Gas Detector
		2.1 The Hardware Circuit
		2.2 LORA Wireless Communication Module
		2.3 Independent Power Supply Module
	3 Ground Monitoring Device
	4 Conclusion
	References
Fast Obstacle Detection Platform Based on Yolo
	1 Introduction
	2 Research Method
		2.1 Theoretical Model Analysis
		2.2 Data Acquisition
		2.3 Model Training
	3 Discussion of Results
		3.1 A Subsection Sample
		3.2 Model Performance Analysis
		3.3 Advantages of the Model
		3.4 Challenges in Training
	4 Conclusion and Future Development
	References
System Resilience Assessment Method of Urban Rail Transit Train Traction System Base on RSI
	1 Introduction
	2 Index Selection
	3 Methodology
		3.1 Topological Network Model
		3.2 Assessment of Component Resilience
		3.3 Assessment of System Resilience
	4 Case Study
		4.1 Topological Network Model of Traction System
		4.2 Calculation of RSI Index for Traction System Components
		4.3 Resilience Assessment of Traction System
	5 Conclusions
	References
Structural Parameters Design of Dual-Crystal Piezoelectric Beam Vibration Energy Harvesters for Rail Vehicles Based on Seagull Optimization Algorithm
	1 Introduction
	2 Piezoelectric Beam Structure and Electromechanical Coupling Model
	3 Description of Optimization Problem
		3.1 Optimization Function
		3.2 Seagull Optimization Algorithm
	4 Solving Process of Optimization Results
		4.1 Optimization Process
		4.2 Result Analysis
		4.3 Experimental Verification
	5 Conclusion
	References
Design and Implementation of Integrated Debugging and Testing Platform for Distribution Automation Terminal
	1 Introduction
	2 Design Scheme
		2.1 Hardware Composition of Test Platform
		2.2 Communication Interface
		2.3 High Precision Power Supply
		2.4 Control Module of Switch Output
	3 Software Function Frame Structure
		3.1 Interacting with the Test Center Cloud
		3.2 Protocol Communication Module
		3.3 Programmable Source and Binary Input Control Module
		3.4 Database Storage Module
		3.5 Test Plan Editing Module and Automated Test Module
		3.6 Test Report Export Module
	4 Debugging Test Scheme
	5 System Application and Improvement
	6 Conclusion
	References
Distributed Fault Diagnosis System of Mining Dump Truck Based on Server
	1 Introduction
	2 Design Scheme of Distributed Fault Diagnosis System for Mine Dump Truck
	3 Vehicle-Ground Joint Diagnosis
		3.1 On-Board Subsystem Data Processing
		3.2 Ground Subsystem Fault Diagnosis
	4 Experimental Verification
	5 Conclusion
	References
Intelligent Fault Diagnosis System of Mining Dump Truck Based on Fault Tree and  Neural Network
	1 Introduction
	2 Fault Analysis of Mining Dump Trucks with Fault Tree Method
	3 Fault Diagnosis of Mining Dump Truck by BP Neural Network
		3.1 Basic Theory of BP Neural Network
		3.2 Design of BP Neural Network Model
	4 Experiment and Verification
		4.1 Training of the Neural Network Model
		4.2 Result Analysis
	5 Conduction
	References
A Bidirectional Half-Bridge Three-Level LLLC Converter
	1 Introduction
	2 Working Principle of Bidirectional Half-Bridge Three-Level LLLC Resonant Converter
		2.1 Working Principle
		2.2 Characteristic Analysis
	3 Open Loop Simulation and Characteristic Analysis
	4 Closed Loop Simulation and Characteristic Analysis
	References
Research on Track Condition Monitoring Based on Fiber Bragg Grating Sensing Technology
	1 Introduction
	2 Principle and Layout of Monitoring Device
		2.1 Principle of Fiber Grating Sensor
		2.2 Sensor Placement
	3 Track Condition Monitoring Model
		3.1 Interval Prediction Model
		3.2 Detection Data Analysis Model
	4 Monitoring Data Application Examples
		4.1 Data Collection
		4.2 Monitoring Data Analysis
		4.3 Predictive Warning of Data
	5 Conclusion
	References
Research on Verification Method of PHM Metrics Based on Fault Code
	1 PHM Metrics
	2 PHM Verification Method
		2.1 Fault Diagnosis Model
		2.2 Mapping Between Fault Diagnosis Result and Fault Code
		2.3 Test Verification Method
	3 PHM Validation Assessment
	4 Summary
	References
Safety Analysis Research of Train Integrity Based on STPA
	1 Introduction
	2 Train Integrity Inspection Scheme
		2.1 The Scheme Based on Head-to-End Communication of the Train
		2.2 The Scheme Based on Wireless Sensor Network
	3 Important Parameters in Train Integrity Inspection
		3.1 Length
		3.2 Wind Pressure
		3.3 Speed
	4 Security Analysis Based on STPA
		4.1 Scene
		4.2 STPA Analysis
		4.3 Identify System Hazards and Define Safety Constraints Preliminarily
		4.4 Identification of Unsafe Control Behaviors and Refinement of Security Constraints [9]
	5 Conclusion
	References
Research on Anti-collision Early Warning System of Rail Train Based on Wavelet Transform
	1 Introduction
	2 System Architecture
		2.1 System Workflow
		2.2 The Working Procedure
		2.3 Wavelet Analysis Model
		2.4 The Algorithm of Energy Feature Extraction for Detecting Signal
		2.5 Measuring Train Distance
	3 Simulation and Verification
		3.1 Selection of Wavelet Basis Functions
		3.2 Simulation
	4 Reliability and Security Analysis
	5 Conclusion
	References
Development of Traction Control Unit Control System for PHM Based on Zynq UltraScale+
	1 Introduction
	2 Hardware Design
		2.1 Data Acquisition
		2.2 On-Chip Communication
		2.3 Board-Level Communication
		2.4 Data Storage
	3 PHM Function Implementation
		3.1 The Realization of Conventional PHM Algorithm Based on C Language
		3.2 The Deployment of a Python-Based Deep Learning Model
	4 Summary
	References
Assessment Method of Contactor Degradation Based on Cumulative Wear
	1 Introduction
	2 Contact Wear Accumulation Method
	3 Test Equipment and Data Analysis
	4 Conclusion
	References
Ultrasonic Guided Wave Communication Based on Pulse Position Modulation in Railways
	1 Introduction
	2 The Proposed PPM-Based UGW Communication System
		2.1 PPM Under Digital Discrete Signal Excitation
		2.2 PPM-Based UGW Communication Method
	3 Results and Discussions
	4 Conclusions
	References
Analysis of Influencing Factors of Urban Rail Transit Dispatching Based on Fuzzy DEMATEL-ISM
	1 Introduction
	2 Methodology
		2.1 Preliminary Method
		2.2 Fuzzy DEMATEL-ISM Method
	3 Case Study
		3.1 Determine Influencing Factors
		3.2 Causal Analysis
		3.3 Hierarchical Structure
		3.4 Result Analysis
	4 Conclusion
	References
Reliability Analysis of Complex Mechanical Systems
	1 Introduction
	2 Model Construction of Mechanical Systems
	3 Complex Network Index
		3.1 Characteristic Index of Complex Network
		3.2 Reliability Research Method
	4 The Case Study
		4.1 Contrastive Analysis Based on Attack Node Strategy
		4.2 Identification of Important Nodes in Complex Mechanical Bogie Network System
		4.3 Contrastive Analysis Based on Attack Edge Strategy
		4.4 Identification of Important Relationship Between Components of Complex Mechanical Bogie Network System
	5 Conclusion
	References
Rolling Bearing Fault Diagnosis Method with Adaptive CEEMD and Cyclic Spectrum Coherence
	1 Introduction
	2 Principle of Adaptive CEEMD Algorithm
		2.1 Complementary Ensemble Empirical Mode Decomposition
		2.2 Adaptive CEEMD Algorithm
	3 Principle of Cyclic Spectrum Coherence
	4 Bearing Fault Diagnosis Method Based on Adaptive CEEMD and Cyclic Spectrum Coherence
	5 Instance Verification
		5.1 Performance Evaluation Index of Fault Diagnosis Algorithm
		5.2 Verification of Vibration Data of Freight Train Bearings
	6 Conclusion
	References
Performance Comparison of Locomotive Auxiliary Power Supply Under Different Conditions
	1 Introduction
	2 Modeling and Simulation
		2.1 Simulation of Normal Working Condition of Locomotive Power Supply System
		2.2 Simulation of Abnormal Working Conditions of Locomotive Power Supply System
	3 Experimental Results
	4 Conclusion
	References
Railway Perimeter Disaster Image Monitoring Method Based on YOLOV4Lite
	1 The Introduction
	2 Research Status at Home and Abroad
	3 An Introduction to the YOLOv4Lite Model
	4 The Data Base
	5 Experiment and Analysis
		5.1 Model Training
		5.2 Test Results
		5.3 Precision
		5.4 The Model Size
		5.5 Detection Speed
	6 Conclusion
	References
Railway Pedestrian Intrusion Detection Using Onboard Forward-Viewing Camera
	1 Introduction
	2 Proposed Method
		2.1 YOLOv5 Object Detection Algorithm
		2.2 Fast-SCNN Semantic Segmentation Algorithm
		2.3 Compound Algorithm
	3 Experimental Results
		3.1 Dataset
		3.2 Implementation Details
		3.3 Evaluation Metrics
		3.4 Experimental Results
	4 Conclusion
	References
Track Defect Recognition Algorithm Based on Deep Learning
	1 Introduction
	2 Lyolo Algorithm Improvement
		2.1 Lyolo Algorithm Network Design
		2.2 Network Mapping and Tensor
		2.3 Priori Box and Bounding Box Prediction of Lyolo
	3 Training and Testing of Track Defect Recognition Algorithm
		3.1 Hardware and Software Environment for Training
		3.2 Preprocessing ROI Extraction
		3.3 Lyolo Algorithm Model Training
		3.4 Algorithm Test Results
	4 Conclusions and Future
	References
Fault Diagnosis of Impedance Match Bond in High-Speed Railway Concerning Risk Assessment
	1 Introduction
	2 IMB Working Principle
	3 Hazards Based Fault Classification
		3.1 Fault Type Analysis
		3.2 Risk Assessment
	4 Fault Diagnosis Modeling
		4.1 Data Collection
		4.2 Data Processing
		4.3 Algorithmic Modeling
		4.4 Model Parameter Optimization
	5 Verification
		5.1 Fault Diagnosis Under Single Working Scenarios of Equipment
		5.2 Fault Diagnosis Under Complex Working Scenarios of Equipment
	6 Conclusions
	References
Research on Key Technologies of Cloud-Side Collaboration for Urban Rail Intelligent Security
	1 The Research Status
	2 Overview of Urban Rail Security System
	3 Research on Urban Rail Security System Architecture Based on Cloud-Edge Collaboration
	4 Key Technologies of Cloud-Side Cooperative Video Surveillance System
		4.1 Basic Resource Virtualization Technology
		4.2 Abnormal Behavior Recognition Technology Based on Multi-source Data Fusion
		4.3 Cloud Edge Resource Collaboration Technology Based on Combined Two-Way Auction
	5 Application Effect
	6 Conclusion
	References
Rolling Bearing Fault Diagnosis Based on Improved GRU
	1 Introduction
	2 Preliminaries
		2.1 STFT
		2.2 GRU
	3 Fault Diagnosis Based on Improved GRU
		3.1 Improved GRU Cell
		3.2 Fault Diagnosis Model Design
		3.3 Network Model Training
	4 Experiments
		4.1 Hyperparameter
		4.2 Data Set
		4.3 Experimental Result
	5 Conclusion
	References
Intelligent Safety Detection System of Freight Car Based on 3D Image Technology
	1 Application Status of TFDS
	2 System Overview
	3 System Function
		3.1 Subsystem Function
	4 Software Platform
	5 Summary
	References
Evaluation of Levitation Control Performance of Maglev Train Based on Fractal Analysis
	1 Introduction
	2 Suspension System of Maglev Train
	3 Analysis of Non-Gaussian Distribution of Data
	4 Analysis of Performance Evaluation Methods
	5 Control Performance Evaluation Based on Fractal Analysis
	6 Conclusion
	References
Intuitionistic Fuzzy FMEA Approach for Key Component Identification of Rail Bogie
	1 Introduction
	2 Intuitionistic Fuzzy FMEA Approach for Key Component Identification of Rail Bogie
	3 Case Study
	4 Conclusions
	References
A Data Driven Simulation Model for Investigating Collision Avoidance Behavior of Pedestrians in Subway Stations
	1 Introduction
	2 Model Development
		2.1 Feature Selection
		2.2 Prediction Model Development
		2.3 Movement Model Development
	3 Results and Discussion
		3.1 Data Description
		3.2 Simulation Performance
		3.3 Collision Avoidance Strategy
	4 Conclusions
	References
Research on the Health Evaluation and Prediction of Switch Machine
	1 Introduction
	2 Health Evaluation
		2.1 Macro Health Evaluation
		2.2 Micro Health Evaluation
	3 Health Score Prediction
		3.1 Transfer Entropy
		3.2 GNN Model
	4 Experiment
	5 Conclusion
	References
A Multi-dimensional Health Index Calculation Algorithm for ZPW-2000A Track Circuit
	1 Introduction
	2 Health Index Calculation Based on RAMS
		2.1 Introduction to RAMS
		2.2 Index Quantification
	3 Health Index Calculation Based on Analog Data
		3.1 Time Domain Features
		3.2 Frequency Domain Features
	4 Comprehensive HI Calculation of Track Circuit
		4.1 Entropy Weight Method
		4.2 Comprehensive HI Calculation
	5 Conclusion
	References
Adaptive Fault Diagnosis System for Railway Track Circuits
	1 Introduction
	2 Track Circuit Model
		2.1 Single-Track Model
		2.2 Multi-track Model
	3 Fault Diagnosis System
		3.1 Faulty Areas Division
		3.2 Condition Monitoring System
		3.3 Fault Diagnosis Algorithm
	4 Test Rig and Results
		4.1 Test Rig
		4.2 Fault Diagnosis Test
	5 Conclusion
	References
Fault Detection of High Voltage Circuit Breaker Opening and Closing Coil Based on Compressed Sensing
	1 Introduction
	2 Opening and Closing Coil Current Model
	3 Theoretical Basis of Compressed Sensing
		3.1 Sparse Representation
		3.2 The Observation Matrix
		3.3 Reconstruction Algorithm
	4 Experimental Scheme and Data Analysis
		4.1 Construction of Experimental Platform
		4.2 Simulation Results and Analysis
	5 Conclusion
	References
Research on Fault Prediction of High-Speed Train Auxiliary Power Supply System Based on LSTM
	1 Introduction
	2 Auxiliary Power Supply System and LSTM Model
		2.1 Auxiliary Power Supply System
		2.2 Data Introduction of the Auxiliary Power Supply System
		2.3 LSTM Model
	3 Failure Prediction Model
	4 Experiment and Result Analysis
		4.1 Data Processing
		4.2 Sample Set Comparison Result
		4.3 Hyperparameter Comparison Results
		4.4 Model Comparison Results
	5 Conclusion
	References
Autonomous Fault Identification Method of Train Axle Bearings Based on Ginigram and Squared Envelope Spectrum
	1 Introduction
	2 Methods
		2.1 Data Preprocessing Based on Ginigram
		2.2 Autonomous Bearing Fault Identification
	3 Experimental Validation and Results Comparison
		3.1 Experimental Validation of Ginigram
		3.2 Comparison with Classical Methods
	4 Conclusion
	References
Data-Driven Ontology Construction Method for Railway Derailment Accidents
	1 Introduction
	2 Methodology
		2.1 Challenges in Railway Ontology Construction
		2.2 Construction of Railway Domain Ontology
	3 Data-Driven Ontology Construction Method
		3.1 Data-Driven Entities Validation and Update
		3.2 Properties Definition and Ontology Reasoning
	4 Case Study
		4.1 Derailment Accident Database
		4.2 Construction of Railway Derailment Ontology with Protégé
	5 Conclusion
	References
Research on the Inverter Fault Evolution in Permanent Magnet Direct Drive Traction Drive System
	1 Introduction
	2 Introduction and Modeling of PMDD Traction Drive System
		2.1 System Composition
		2.2 System Modeling
	3 Simulation of IGBT Open Circuit Fault Evolution in Inverter
		3.1 Establishment of IGBT Electrothermal Model
		3.2 Establishment of IGBT Residual Life Model
		3.3 Fault Injection
		3.4 Results
	4 Conclusion
	References
Fault Diagnosis of Train Wheelset Bearings Based on Improved Joint Distribution Adaptation
	1 Introduction
	2 Methodology
		2.1 Feature Extraction
		2.2 Improved Joint Distribution Adaptation Method
	3 Experiments
		3.1 Datasets
		3.2 Implementation Details
		3.3 Results and Analysis
	4 Conclusion
	References
A Monitoring and Early Warning Method for Railway Infrastructure Using Beidou Based on the Grey Model
	1 Introduction
	2 Method
		2.1 Grey Model
		2.2 Threshold Selection
	3 Result Analysis
		3.1 BDS Monitoring Site 0214K188
		3.2 BDS Monitoring Site 0183K188
		3.3 Xintan Landslide B3 Monitoring Site
		3.4 Beidou Railway Infrastructure Monitoring System
	4 Discussion
	5 Conclusion
	References
IGBT Open-Circuit Fault Diagnosis for MMC Based on Model Prediction
	1 Introduction
	2 MMC Sub-module Open-Circuit Fault Characteristic Analysis
	3 Establishment of MMC Prediction Model
		3.1 MMC Actual Prediction Model
		3.2 MMC Ideal Prediction Model
	4 Diagnosis of SM Open-Circuit Fault
		4.1 Fault Detection Method
		4.2 Fault Location Method
	5 Simulation Verification
	6 Experimental Verification
	7 Conclusion
	References
Study on the Efficiency of Video Scene Detection Based on YOLO Series
	1 Introduction
	2 Introduction to the Algorithm
		2.1 YOLOv3 Algorithm
		2.2 YOLOv4 Algorithm
	3 Experimental Process
		3.1 Experimental Overview
		3.2 Experimental Environment Configuration
		3.3 Experimental Results
		3.4 Experimental Conclusion
	4 Conclusion
	References
Bearing Fault Diagnosis Method of Bearing Based on LSTM Auto-Encoder
	1 Introduction
	2 Fault Diagnosis Algorithm
		2.1 Auto-Encoder
		2.2 Long-Short Term Memory (LSTM)
		2.3 Loss Function of LSTM Auto-Encoder
		2.4 Fault Diagnosis Algorithm Based on LSTM Auto-Encoder
	3 Experiment
		3.1 The Dataset
		3.2 Hyperparameter Setting
		3.3 Experimental Results and Analysis
	4 Conclusion
	References
Research on Safety Identification of Key Components of Maglev Train Based on Multi-layer Perceptron
	1 Introduction
	2 Aging Mechanism and Influencing Factors of Aluminum Electrolytic Capacitor
	3 Capacitance Parameter Identification Method Based on Five-Fold Cross Multilayer Perceptron
		3.1 Algorithm
	4 Construction of Experimental Platform
	5 Parameter Identification Based on Multilayer Perceptron
		5.1 Result Analysis
	6 Conclusion
	References
Comprehensive Analysis of High-Speed Railway Network Based on Complex Network Theory
	1 Introduction
	2 Related Works
	3 Characteristics of a High-Speed Railway Network
	4 Characteristics Analysis of High-Speed Railway Network
		4.1 Basic Data of Two High-Speed Railway Subnetworks
		4.2 Analysis on Computing Results
	5 Conclusion
	References
Segmentation of Maize Ear Bold Tip Based on U-Net
	1 Introduction
	2 Materials and Methods
		2.1 Data Collection and Preparation
		2.2 Experiment Environment
		2.3 Data Augmentation
		2.4 The U-Net Network Structure
	3 Results and Analysis
		3.1 Learning Rate
		3.2 The Solution of Overfitting
	4 Conclusion
	References
Detection and Simulation of Adhesion Coefficient of Residual Snow Pavement on Urban Road
	1 Introduction
	2 Formation and Identification Calculation of Residual Snow Pavement
		2.1 Analysis of Configuration Mechanism of Residual Snow Pavement
		2.2 Identification and Calculation of Residual Snow Pavement
	3 Characteristics of Residual Snow Pavement and Formation of Adhesion Coefficient
		3.1 Mechanism Analysis of Residual Snow Pavement Characteristics
		3.2 Formation Mechanism of Adhesion Coefficient
	4 Measurement and Calculation of Adhesion Coefficient
	5 Simulation with CarSim
		5.1 Model Building
		5.2 Simulation Analysis
	6 Conclusions
	References
Research on Laser Point Cloud Filtering Algorithm Based on Configuration Characteristics of Highway Seismic Disaster
	1 Introduction
	2 Scanning Area Division
		2.1 Weight-Based Covariance Matrix and Its Eigenvalues
		2.2 Area Division Based on Description Factor of Configuration Feature
	3 Different Region Filtering Algorithm
		3.1 Cloth Simulation Filtering Algorithm
		3.2 L1 Median Filtering Algorithm
	4 Validation Analysis
		4.1 Sample Data and Characteristic Analysis of ISPRS
		4.2 Qualitative Analysis
		4.3 Quantitative Analysis
		4.4 Comparative Analysis
	5 Conclusion
	References
A Study on Automatic Train Coupling and Uncoupling of Urban Rail Transit Under FAO
	1 Introduction
	2 The Mechanical Devices and Electrical Logic of Train
		2.1 Coupler
		2.2 Monitoring of Coupler Connection Status
		2.3 Onboard Detecting Devices
	3 Inauguration of TCMS
		3.1 WTB Inauguration Principle
		3.2 ETB Inauguration Principle
		3.3 Issues Solved by the Inauguration
	4 Scenario Description of Train Automatic Coupling and Uncoupling Process
		4.1 Automatic Coupling
		4.2 Automatic Uncoupling
		4.3 System Joint Operation
	5 Challenges of Flexible Composition Trains in Operation
		5.1 Train Operation Protection
		5.2 Train Operation Control
		5.3 Accurate Stop in Station
		5.4 Alignment Control of Platform Doors and Train Doors
		5.5 Passenger Service
		5.6 Train Emergency Evacuation
	6 Conclusion
	References
Analysis of Stopping Accuracy Deviation of Urban Rail Transit Train in ATO Driving Mode
	1 Introduction
	2 Impact of Vehicle Electro-Pneumatic Conversion at Low Speed on ATO Stopping Accuracy
		2.1 Definition of Electric Braking and Pneumatic Braking
		2.2 Characteristics of Electric Braking and Pneumatic Braking
		2.3 The Impact of the Electro-Pneumatic Conversion on ATO Stopping Accuracy
	3 Impact of Location Error Generated by the Signaling System on ATO Stopping Accuracy
		3.1 Location Error Caused by Speed Sensor Calculation Mechanism
		3.2 Location Error Caused by the Trackside Transponder Installation Mechanism, the On-Board Transponder Installation Mechanism and the Trackside Transponder Signal Received Mechanism
	4 Impact of the Installation Position of the Platform Screen Door on ATO Stopping Accuracy
	5 Calculation of the Deviation of Stopping Accuracy Caused by the Above-Mentioned Various Factors
	6 Conclusion
	References
Safety Analysis on the Process of Automatic Train Coupling in Urban Rail Transit
	1 Introduction
		1.1 Background
		1.2 Flexible Train Formation Projects Introduction
		1.3 The Problems that Need to Be Solved in Flexible Train Formation Projects
	2 Description of Coupling/Uncoupling on the Mainline
		2.1 Vehicle Coupling
		2.2 The Overall Scheme of Automatic Coupling and Uncoupling
	3 Modeling
		3.1 ATP Protection of the Coupling Process
		3.2 Beginning of Approaching and Beacon Placement
		3.3 Movement Modelling of Train 1
		3.4 Vital Speed Modelling When Approaching
	4 Parameter Computing
		4.1 Modeling Calculation Results
		4.2 Results of Manual Coupling Data Analysis
	5 Conclusion
	References
Transition Control of Virtual Coupling Train Formation Based on Model Predictive Control
	1 Introduction
	2 Formation Transition of Virtual Coupling Convoy
		2.1 Definition of Virtual Coupling Operation
		2.2 Description of Virtual Coupling Operational State Transitions
	3 Formation Transition Control Based on MPC
		3.1 Nonlinear Dynamic Model with Actuator Lag
		3.2 Optimal Control Design
	4 Simulations
		4.1 Scenario Setting
		4.2 Decoupling Simulation
		4.3 Coupling Simulation
	5 Conclusions
	References
Optimization for Operation Planning and Pricing of Intercity Railway in Terms of Carbon Emission
	1 Introduction
	2 Materials and Methods
		2.1 The Element Design of Transport Corridor Network
		2.2 The Distribution Model of Passenger Flow Volume
		2.3 Calculation of Time Cost Function
		2.4 Modelling the Operation Plan of Intercity Rail Based on Carbon Emission
	3 Results
		3.1 Virtual Network and Parameter Settings
		3.2 Results Analysis
		3.3 Sensitivity Analysis of Fare Rates
	4 Conclusions
	References
Design and Implementation of Automatic Marshalling for Intelligent Driving Locomotive of Heavy-Haul Train
	1 Introduction
	2 System Overview
		2.1 Summary of Locomotive Intelligent Driving System
		2.2 Overview of Wireless Coupling Control System
	3 Research on Locomotive Automatic Marshalling Scheme
		3.1 Analysis of Manual Marshalling Process
		3.2 Design of Automatic Marshalling Strategy
		3.3 Auto-marshalling On-Board Sub-system
	4 Design of Automatic Marshalling Software
		4.1 Design of ATS Marshalling Function
		4.2 Design of ATO Marshalling Function
	5 Application of Automatic Marshalling
	6 Conclusion
	References
The Fault Diagnosis Method of Rolling Bearing Based on CEEMDAN
	1 Rolling Bearing Structure and Failure Mechanism
	2 Fault Diagnosis Method
		2.1 Signal Processing EMD
		2.2 Signal Processing CEEMDAN
	3 Numerical Simulation
		3.1 Construction of a Rolling Bearing Failure Model
		3.2 Decomposition and Analysis of Experimental Signal EMD
		3.3 Decomposition and Analysis of Experimental Signal CEEMDAN
	4 Conclusion
	References
Author Index