Intro; Committees; Honorary Chairs; General Chairs; Program Committee Chairs; Organizing Committee Chairs; Technical Program Committee Members; Organizing Committee Members; Contents; 1 Transient Overvoltage Analysis of Traction Power Supply System with Neutral Sections in China High-Speed Railway Using a State-Space Model; Abstract; 1 Introduction; 2 Mathematical Model of TPSS; 2.1 Mathematical Model of TPSS Without the Neutral Section; 2.2 Neutral Section Module; 2.3 State-Space Model of TPSS Involving the Neutral Section; 3 Transient Analyses of Auto-Passing Neutral Section; 4 Conclusion

2.4 Rectifying of Distortions3 Performance Evaluation; 4 Conclusion; References; 5 Design and Implementation of Online Monitoring System of Contact System Tensioner; Abstract; 1 Introduction; 1.1 Research Background; 1.2 Effect of Meteorological Environment on Contact System; 1.2.1 Strong Wind; 1.2.2 Icing; 2 Design of the Monitoring Program; 2.1 The Selection of Monitoring Content; 2.1.1 Environmental Parameters; 2.1.2 Temperature of Clip; 2.1.3 Values of a and b; 2.2 Hardware Design of Monitoring Terminal; 3 Design of Software; 3.1 Communications Protocol

3.2 Function and Implementation Technology of PC Software3.3 Data Analysis; 4 Conclusion; References; 6 A Method of Detecting Pantograph Slide's Abrasion Based on Image Processing; Abstract; 1 Introduction; 2 Design of Wear Detection Algorithm; 2.1 Image Preprocessing; 2.2 Contrast Enhancement; 2.3 Adaptive Threshold Canny Edge Detection; 2.4 Contact Line and Skateboard Edge Positioning; 2.5 Skateboard Wear Curve; 3 Experimental Results and Comparative Analysis; 4 Conclusion; Acknowledgements; References