CRRC Zhuzhou won the China patent gold award again, and its award-winning project is "a fast adhesion control method for EMUs"

Recently, the results of the 21st China Patent Award were announced. CRRC Zhuzhou Electric Locomotive Research Institute Co., Ltd. has made another success in the field of intellectual property rights, winning 1 gold, 1 silver and 3 excellent Chinese patent awards. Up to now, CRRC Zhuzhou has won 23 Chinese patent awards.

China patent award is the only government award in the field of intellectual property in China. It is jointly awarded by the State Intellectual Property Office and the United Nations International Intellectual Property Organization. It is the highest award of the Chinese government for original invention in the field of intellectual property. In the list of the 21st China Patent Award projects announced recently, the "fast adhesion control method for EMUs" developed by CSR Zhuzhou Times Electric Co., Ltd. won the China Patent Gold Award.

is the core patent for traction control of high-speed EMUs in China, which conquers a series of traction drive control systems in rail transit field, such as the reduction of EMU ride comfort, the delay of EMU high-speed rail operation, and the wheel pair over abrasion, wheel pair scratch and wheel pair irregular polygon caused by the poor adhesion control of EMUs for a long time. The key control technical problems of the unified core have comprehensively improved the power performance of the EMU, guaranteed the high-speed and stable operation of the EMU under the bad wheel rail adhesion conditions, and improved its ride comfort. At the same time, it broke the tight blockade of the technology by foreign rail transit giants, making the adhesion control performance of domestic trains surpass that of foreign rail transit giants such as Siemens and Mitsubishi, and realized the international leading of China's high-speed railway traction drive control technology.

at present, the patent technology has been successfully applied to domestic high-speed EMUs, intercity EMUs, locomotives, subways, low floor scooters, air rail vehicles and other rail transit fields, and has been popularized and applied to the anti-skid and anti lock systems of mine cards, intelligent rail express systems and other vehicle models.

"a multi current system converter system" developed by era electric won the silver medal of China patent; a "shock absorber" developed by era new material, a "rotor resistance identification method and device of asynchronous motor" developed by Zhuzhou, and three projects "control method and CBTC system for mixed operation of trains with different formation length" developed by electric communication company, won the silver medal of China patent. China Patent Excellence Award.

up to now, CRRC Zhuzhou Institute has won 3 gold awards, 2 silver awards, 16 excellent awards, 2 Chinese excellent design awards, and 23 patent awards in total.