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Hardware-in-the-Loop Test Bench for Simulation of Catenary-Pantograph Interaction (CPI) with Linear Camera

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A new test bench allows virtual catenary testing with real pantographs to assess contact force quality. This method ensures reliable current collection, extending equipment life and preventing electrical supply disruptions.

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Area of Science:

  • Electrical Engineering
  • Mechanical Engineering
  • Railway Technology

Background:

  • Catenary-pantograph contact force is crucial for assessing current collection quality.
  • Maintaining optimal contact force prevents catenary degradation and ensures stable power supply.
  • Current methods for measuring contact force are costly and complex.

Purpose of the Study:

  • To present a novel test bench for evaluating virtual catenaries with real pantographs.
  • To enable pre-track testing of contact point force behavior.
  • To offer a flexible system for model identification, validation, catenary testing, and contact loss simulation.

Main Methods:

  • Development of a test bench simulating virtual catenaries.
  • Integration of real pantographs for testing.
  • Exploration of computer vision as an additional sensing modality.

Main Results:

  • The test bench accurately assesses contact point force behavior.
  • The system demonstrates high precision and flexibility across various applications.
  • Virtual testing ensures compliance with safety standards before track deployment.

Conclusions:

  • The developed test bench provides a cost-effective and efficient solution for catenary-pantograph system evaluation.
  • This approach enhances the reliability and safety of electric railway operations.
  • The system's flexibility supports diverse research and development needs in railway electrification.