Zobrazeno 1 - 10
of 64
pro vyhledávání: '"Luming Cheng"'
Publikováno v:
PLoS ONE, Vol 18, Iss 4, p e0284143 (2023)
Policy quantitative analysis can effectively evaluate the government's response to COVID-19 emergency management effect, and provide reference for the government to formulate follow-up policies. The content mining method is used to explore the 301 CO
Externí odkaz:
https://doaj.org/article/97c86fd518bc4d4e92f42a4eefc502a4
Publikováno v:
IEEE Access, Vol 9, Pp 15670-15685 (2021)
In this paper, 30-slot/24-pole five-phase PMSM with hybrid single/double layer (HL) fractional-slot concentrated winding (FSCW) is designed for wheel-driving application in electric vehicles (EVs). Third harmonic current injection in different operat
Externí odkaz:
https://doaj.org/article/f6c7d7680aa241948a0bdd07dc0ccedf
Publikováno v:
AIP Advances, Vol 9, Iss 12, Pp 125241-125241-6 (2019)
Aiming at extending the operating speed range and increasing the machine efficiency, three series-configuration hybrid-permanent-magnet variable-flux machines (HPM-VFMs) with both low and high coercive-force magnets are proposed. The magnetization ch
Externí odkaz:
https://doaj.org/article/07e519148b654588a4e5aba37a83df98
Publikováno v:
Energies, Vol 8, Iss 8, Pp 7874-7896 (2015)
This paper presents a novel staggered-teeth cylindrical transverse-flux permanent-magnet linear machine (TFPMLM), which aims to improve the power factor and force density. Due to the compact structure and high performance requirement, thermal problem
Externí odkaz:
https://doaj.org/article/f7040619d49c4c73b652926d9dcfe2ca
Publikováno v:
AIP Advances, Vol 7, Iss 5, Pp 056629-056629-5 (2017)
A single-phase tubular permanent-magnet linear machine (PMLM) with hybrid Halbach/axially-magnetized PM arrays is proposed for free-piston Stirling power generation system. Machine topology and operating principle are elaborately illustrated. With th
Externí odkaz:
https://doaj.org/article/9347ad29679348cca283aff90cb4f889
Publikováno v:
AIP Advances, Vol 7, Iss 5, Pp 056659-056659-6 (2017)
A single-phase axially-magnetized permanent-magnet (PM) oscillating machine which can be integrated with a free-piston Stirling engine to generate electric power, is investigated for miniature aerospace power sources. Machine structure, operating pri
Externí odkaz:
https://doaj.org/article/fc41f40470554f08aa697f4248fc2f6e
Publikováno v:
Energies, Vol 11, Iss 1, p 108 (2018)
Although fractional-slot concentrated winding (FSCW) offers many significant advantages, such as short end-turn windings, high slot filling factor, and low cogging torque, it is frequently limited by excessive stator magnetomotive force (MMF) harmoni
Externí odkaz:
https://doaj.org/article/4024d5afc04f4460b86a25cd287a445b
Publikováno v:
Energies, Vol 9, Iss 3, p 163 (2016)
This paper investigates the performance analysis and mathematical modeling of a staggered-tooth transverse-flux permanent magnet linear synchronous machine (STTF-PMLSM), which is characterized by simple structure and low flux leakage. Firstly, the st
Externí odkaz:
https://doaj.org/article/c064fdfd0d3c4821a5bce83b0d944bbc
Publikováno v:
IEEE Transactions on Magnetics. 57:1-5
The open-end winding multi-phase permanent-magnet (PM) machine driven by full-bridge inverter is a potential choice for safety-critical application fields. Based on the open-end winding multi-phase PM machine system, comparative investigations of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b08d3552ddf2f214ad42a24ca8126ce
https://doi.org/10.1109/tmag.2021.3077282
https://doi.org/10.1109/tmag.2021.3077282
Publikováno v:
IEEE Transactions on Magnetics. 57:1-5
Based on the rotating rhombus method (RRM), an equal-magnitude sinusoidal current compensation strategy is proposed to improve the post-fault performance of the five-phase permanent-magnet synchronous machine (PMSM) with short-circuit fault. RRM is a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::627ef89f36880590430e219e033480ca
https://doi.org/10.1109/tmag.2021.3063811
https://doi.org/10.1109/tmag.2021.3063811