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Press and Springer-Verlag Berlin Heidelberg 2016 Abstract: A sliding mode and active disturbance rejection control (SM-ADRC) was employed to regulate the speed of a permanent magnet synchronous motor... the influence of variations in rotational inertia, load and internal parameters. Key words: disturbance rejection; auto tuning; permanent magnet synchronous motor; speed modulation system 1 Introduction Motor......
; 文章编号:1672-7207(2013)05-1842-07 Motor system of low-speed direct-drive rare-earth permanent magnet brushless for electric vehicles LIU Jianlin1, 2, FENG...-earth permanent magnet brushless motor system was proposed, which used an outer-rotor permanent magnet synchronous motor (PMSM) with a surface plug-in magnetic structure. Firstly, the main structural......
. According to the performance data of Sm(Co0.72Fe0.15Cu10.1Zr0.03)75, the magnetic field along central axis BZ in periodic permanent magnet (PPM) focusing system was simulated using electromagnetic field...Application of high-temperature permanent magnets Sm(Co, Fe, Cu, Zr)z in PPM focusing system PENG Long1,LIU Yingli1,YANG Qinghui1,SONG Yuanqiang1,ZHANG Huaiwu1 (1.State Key Laboratory of Electronic......
]. 图1 高性能NdFeB永磁材料不同行业消费占比 Fig. 1 Consumption proportions of high-performance NdFeB permanent magnet materials in different industries NdFeB永磁材料中含有30%左右的稀土元素(Nd,Pr,Dy,Tb等),在永磁材料需求日益增长的背景下,其产量以5%的增量增长...] Fig. 3 Production flow chart of NdFeB permanent magnet material 在生产NdFeB永磁材料的各个阶段,均会伴随废料的产生,一般包括:原料预处理过程中的损耗,熔炼过程中被氧化的钕,氢碎和气流磨磨粉阶段中产生的超细粉,制粉阶段被空气氧化的粉末,烧结过程中被氧化的NdFeB块状料及机加工时边角料和表明处理产生的不合格产品等[25].由此可以......
Influence of heat treatment on fracture and magnetic properties of radially oriented Sm2Co17 permanent magnets TIAN Jian-jun(田建军), QU Xuan-hui(曲选辉), ZHANG Shen-gen(张深根), A. FARID, TAO Si-wu(陶斯武...: Sm2Co17 permanent magnets; radially oriented ring magnets; heat treatment; fracture; magnetic properties ......
, part of Springer Nature 2019 Abstract: A novel fault ride-through strategy for wind turbines, based on permanent magnet synchronous generator, has been proposed. The proposed strategy analytically.... Key words: energy storage; permanent magnet machines; power system faults; predictive control; wind power generation Cite this article as: Farid Atash BAHAR, Ali AJAMI, Hossein MOKHTARI, Hossein HOJABRI......
Effect of Particle Size and Distribution of Rapidly Quenching NdFeB Magnetic Powder on Magnetic Properties of Polymer-Bonded NdFeB Permanent MagnetLiu Ying Tu Mingjing (Department of Metal Material, Sichuan University, Chengdu 610065, China)摘 要:ＰｏｌｙｍｅｒｂｏｎｄｅｄＮｄＦｅＢｐｅｒｍａｎｅｎｔｍａｇｎｅｔ,ｆｉｒｓｔｌｙａｐｐｅａｒｅｄｉｎ１９８０ｓ,ｉｓａｎｅｗｔｙｐｅｏｆｐｅｒｍａｎｅｎｔｍａｇｎｅｔｉｃｃｏｍｐｏｓｉｔｅ......
; 文章编号:1672-7207(2011)08-1986-06 Combined control of sliding mode variable structure vector for permanent magnet synchronous wind power system ZHANG Zhi-gang1, 2... 410082, China) Abstract: Aimed at the application of direct-drive permanent magnet synchronous wind power generating system, a combined control tactics that velocity was controlled by sliding mode......
torque, a 75.3% decrease in the torque ripple and a 3% increase in the operating torque when compared with the basic model. Key words: permanent magnet synchronous motor; barrier; notch; radial magnetic force; cogging torque 1 Introduction An interior permanent magnet synchronous motor (IPMSM) is a mechanically strong structure with permanent magnets embedded in rotor, and the generating torque per......
words: Nd-Fe-B permanent magnets; aging treatment; mechanical property; acoustic emission; fracture analysis; Nd-rich phase 1 Introduction As the third generation of rare earth permanent magnet materials...J. Cent. South Univ. (2016) 23: 515-522 DOI: 10.1007/s11771-016-3097-x Effect of optimal aging treatment on magnetic performance and mechanical properties of sintered Nd-Fe-B permanent magnets DING......
