世界首列3.5万吨级重载群组列车试验开行

Core Insights - The project "Research and Application of Heavy Load Train Group Operation Control System" has achieved a significant breakthrough by successfully testing the world's first 35,000-ton heavy load group train [1][2] - This test marks the first time in the world that multiple freight trains can operate in coordination without mechanical couplings, relying solely on wireless signals [1] Group 1: Project Overview - The project aims to transform the traditional "hard connection" between 20,000-ton and 30,000-ton long trains into a "virtual soft connection" using "virtual coupling" technology [2] - Since its initiation in 2022, the project has achieved multiple world-first milestones in theoretical innovation, standards, simulation experiments, complete equipment, test section construction, and on-site verification [2] Group 2: Technical Achievements - Key breakthroughs include the validation of core scenarios for single units, 5,000-ton empty trains, and 10,000-ton empty trains, achieving a departure interval of 3 minutes and 43 seconds for 10,000-ton empty trains and entering the 3-minute era for heavy load trains [2] - At a speed of 60 km/h, the group of 5,000-ton heavy trains demonstrated a tracking distance of 1,091 meters and 943 meters for empty trains, showcasing significant advancements in precise control technology [2] Group 3: Future Implications - The heavy load train group control system represents a major original innovation in China's railway technology, validating the collaborative control capabilities of railway signal systems under high-density operating conditions [2] - This technology is expected to be applied in high-speed rail, urban rail, and conventional rail, providing core technical support for China's railway industry and promoting advancements in global heavy load railway train control towards greater efficiency, safety, and intelligence [2]