Keywords: HTS pinning maglev, high-speed maglev, ultra-high-speed transport, ETT transport, dynamic test platform, engineering design.

This paper presents the advancements in high-temperature superconducting (HTS) pinning maglev technology, focusing on its application in high-speed and ultra-high-speed rail systems. Our research at Southwest Jiaotong University investigated the feasibility of HTS pinning maglev systems, highlighting their levitation load capacity, high-speed dynamic levitation force, and performance under various conditions, including low vacuum environments. We have developed and tested several experimental platforms, including a 400 km/h evacuated tube HTS pinning maglev high-speed test platform and a 700 km/h high-speed maglev simulation test platform. These setups have validated the stability and efficiency of HTS pinning maglev technology, demonstrating its potential for practical high-speed applications. To further explore this technology's capabilities, a multistate coupled rail transit dynamic model test platform for speeds up to 1500 km/h is nearing completion and will soon begin testing. Alongside the high-speed experiments, we have also completed the design of a high-speed engineering prototype. Despite its numerous advantages, HTS pinning maglev technology faces several challenges, which are also discussed. This paper aims to provide a comprehensive overview of the current state of HTS pinning maglev research, offering valuable insights for the future development and application of HTS pinning maglev systems in high-speed transportation.

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