电机控制

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城记 | 一周聚焦:中国科创硕果频出,长三角扮演什么角色?
Xin Hua Cai Jing· 2025-08-15 05:32
Core Insights - China is transitioning from a major technology power to a strong technology power, leading in global technology competition with the highest number of top 100 technology innovation clusters and manufacturing value added for 14 consecutive years [1] - The Yangtze River Delta region is at the forefront of technological innovation due to its unique regional advantages, strong economic foundation, rich talent pool, and complete research system [1] Group 1: Technological Innovations - A team from the Chinese Academy of Sciences has developed the world's first intelligent breeding robot "GEAIR," which can automatically perform hybrid pollination, breaking through bottlenecks in hybrid breeding [2] - The "GEAIR" system has been applied to soybean breeding, achieving rapid creation of male-sterile soybean lines, which is expected to significantly increase yield and provide new intelligent breeding technologies [2] Group 2: Quantum Computing Advances - A new world record for defect-free atomic arrays in neutral atom systems has been established, laying a crucial technological foundation for large-scale neutral atom quantum computing [3] - The Shanghai Quantum Science Research Center and its partners successfully constructed a defect-free two-dimensional and three-dimensional atomic array with 2024 atoms in just 60 milliseconds, showcasing the potential for future applications [3][4] Group 3: Electric Motor Controller Development - The Ningbo Yongjiang Laboratory has unveiled a new generation of motor controllers with a power density of 70 kW/kg, significantly surpassing the industry record of 40 kW/kg [5] - This new controller achieves a volume power density of 57.6 kW/L and represents a nearly threefold increase in power density compared to the previous generation released in June 2024 [5][6]
蓝海华腾: 关于全资子公司取得发明专利证书的公告
Zheng Quan Zhi Xing· 2025-08-14 08:19
Core Viewpoint - Shenzhen Blue Ocean Huateng Technology Co., Ltd. has recently received two invention patents from the National Intellectual Property Administration of the People's Republic of China, which will enhance the company's intellectual property protection and strengthen its technological leadership in the industry [1][2]. Group 1: Patent Details - The first patent is titled "Current Zero Position Determination Method, Device and Storage Medium," with patent number ZL202011336146.5, applied on November 25, 2020. This invention relates to motor control technology and provides a method to accurately determine the zero position of three-phase motor currents [1]. - The second patent is titled "Permanent Magnet Synchronous Motor Control Method and Device," with patent number ZL202011375799.4, applied on November 30, 2020. This method allows for the determination of rotor position and speed without the need for physical rotor position sensors, enabling stable and reliable operation of permanent magnet synchronous motors across their full speed range [2]. Group 2: Impact on Company - The acquisition of these patents is not expected to have a significant immediate impact on the company's production and operations. However, it is beneficial for the company to further enhance its intellectual property protection system and consolidate its leading technological advantages [2]. - The continuous innovation mechanism driven by these patents is anticipated to improve the company's core competitiveness in the market [2].