Research on Control Efficiency of Electromagnetic Linear Eddy Current Braking Device for Medium-low Speed Maglev Trains

Journal Title: Urban Mass Transit - Year 2024, Vol 27, Issue 4

Abstract

Objective Linear eddy current braking device is one of the key technologies for maglev trains, but this technology is still not mature enough. It is of great theoretical significance and application value to study the eddy current braking technology. Method A model of linear eddy current braking device for medium-low speed maglev trains is established, and the formula for calculating the total eddy current braking force F is derived. To verify the deceleration efficiency of the designed eddy current braking device, an eddy current physical device is developed and a test bench experiment is carried out. A model of electromagnetic eddy current braking torque control system is established, and based on open-loop control, PID (proportional-integral-derivative) control, and fuzzy control three control algorithms, the respective medium-low speed maglev train braking force characteristic curves are obtained. The electromagnetic eddy current braking efficiency of medium-low speed maglev trains is then thoroughly analyzed. Result & Conclusion Comparing the simulation results with the experimental measurements, the changing trends of the train braking force are almost identical, indicating a high credibility of the derived mathematical model. The open-loop control algorithm exhibits significant overshooting, while the fuzzy control algorithm outperforms the PID control algorithm.

Authors and Affiliations

Jiamin CHEN, Bo YING

Keywords

Related Articles

Metro Construction Personnel Safety Management System Based on BIM Technology and Smart Construction site Concept

[Objective] Unsafe behaviors among personnel are significant factors contributing to safety accidents in rail transit engineering. To address the existing issues of video image monitoring systems, such as reliance on man...

Stress and Deformation Analysis of Green Prefabricated Slope Surface Protection Structure for Deep and Large Foundation Pit

Objective Excavation of deep and big foundation pit destroys the equilibrium state of the original stress field in the soil, leading to ground deformation. Foundation pit deformation can be controlled by adopting GRF (gr...

Architectural Design Concept of ′Confucian Elegance and Plain Expressions′ for Jinan Rail Transit Line 1

[Objective] The cultural attributes and architectural landscape of modern urban rail transit projects are gradually becoming a focal point of public attention. The architectural design in such projects carries significan...

Dynamic Response Analysis of Large Shield Tunnel Structure of Shanghai Urban Railway Airport Link under Train Load

Objective The prefabricated single hole double track large-diameter shield tunnels are more frequently applied in underground rail transit lines, improving the efficiency of underground space utilization. However, the we...

Signaling System Retrofit and Reverse-connection Scheme for Shanghai Rail Transit Line 13 Beidi Road Depot

Objective Beidi Road Depot of Shanghai Rail Transit Line 13 is undergoing an upgrade from a conventional interlocking system to CBTC (communication-based train control) system. This upgrade is characterized by a short ni...

Download PDF file
  • EP ID EP734166
  • DOI 10.16037/j.1007-869x.2024.04.020
  • Views 64
  • Downloads 0

How To Cite

Jiamin CHEN, Bo YING (2024). Research on Control Efficiency of Electromagnetic Linear Eddy Current Braking Device for Medium-low Speed Maglev Trains. Urban Mass Transit, 27(4), -. https://europub.co.uk/articles/-A-734166