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揭秘“复兴号”动车组研发背后,中国科学家破解世界性难题
Nan Fang Du Shi Bao· 2025-06-19 11:17
Core Viewpoint - China's high-speed rail (HSR) has transformed from a "follower" to a "leader" in the global market, showcasing significant technological advancements and innovations in the past three decades [2]. Group 1: Technological Advancements - The key to high-speed rail performance lies in its "heart" (traction system) and "brain" (control system), which are critical for achieving high speeds and efficiency [2]. - The "Fuxing" train, developed under the leadership of Feng Jianghua, operates at a commercial speed of 350 km/h, making it the fastest in the world [4]. - The team overcame the global challenge of wheel-rail adhesion technology by innovating control strategies and optimizing parameters, achieving a world-leading wheel-rail adhesion utilization coefficient [4][5]. Group 2: Research and Development Efforts - The development of the high-strength traction system was marked by the establishment of a fully independent intellectual property platform, leading to international recognition and application in both domestic and exported locomotives [5]. - The introduction of permanent magnet traction technology marked a significant shift, with the first application in a 400 km/h train, resulting in a 20% increase in traction power while reducing weight by 20% [6]. - The research team faced numerous challenges, including extreme operational conditions during testing, which required extensive optimization and innovation over a three-month period [6]. Group 3: Recognition and Future Outlook - The "Fuxing" high-speed train is set to receive the National Science and Technology Progress Award, highlighting its technological achievements [5]. - The commitment to independent innovation and the goal of building a strong transportation nation remain central to the ongoing development of China's high-speed rail [6].
大国总师一席谈|中国中车冯江华:为中国高铁铸造“奔腾之心”
Xin Hua She· 2025-06-17 12:48
Core Insights - The article highlights the significant contributions of Feng Jianghua, the chief scientist of CRRC, in the development of China's high-speed rail technology, showcasing the evolution from the "Zhonghua Star" to the "Fuxing" train series [1][2][3] Group 1: Historical Development - In 1989, Feng Jianghua joined CRRC Zhuzhou Institute, contributing to the development of China's first independently designed high-speed train, "Zhonghua Star," which achieved a record speed of 321.5 km/h [1] - The 2004 approval of the "Medium- and Long-Term Railway Network Plan" by the State Council marked a pivotal moment for high-speed rail development in China, necessitating high-quality trains [2] Group 2: Technological Advancements - Feng Jianghua's team overcame significant challenges in core technologies, leading to the development of the "Harmony" train equipped with domestic power technology, breaking foreign monopolies [2] - The "Fuxing" train, launched in 2017, set a new benchmark in global high-speed rail with a commercial operating speed of 350 km/h [2][3] Group 3: Future Innovations - The CR450 technology innovation project initiated in 2021 aims for higher speed, safety, and sustainability in rail transport, with Feng Jianghua's team focusing on advanced permanent magnet traction technology [3][4] - The upcoming CR450 train, set to be unveiled in December 2024, represents another milestone in China's high-speed rail technology, reinforcing its global leadership [4]