Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Jung-Sik Yim"'
Publikováno v:
The Transactions of the Korean Institute of Power Electronics. 15:244-251
High speed motors have been widely used in industries to reduce system size and improve power conversion efficiency. However, the high speed motors sometimes suffer from core losses caused by PWM current ripple; noting that the phase inductance, , of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::33d8de8fc9e1e250f186cee4a65f0660
https://doi.org/10.6113/tkpe.2010.15.3.244
https://doi.org/10.6113/tkpe.2010.15.3.244
Publikováno v:
IEEE Transactions on Industry Applications. 45:763-771
These days, high-frequency permanent-magnet synchronous motors (PMSMs) are used in industry; their maximum synchronous frequency is higher than 1 kHz. However, the sampling and switching frequencies of the digital inverter that consists of the digita
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4888eb10851f35d8002004882d318d3d
https://doi.org/10.1109/tia.2009.2013600
https://doi.org/10.1109/tia.2009.2013600
Publikováno v:
2010 Twenty-Fifth Annual IEEE Applied Power Electronics Conference and Exposition (APEC).
This paper describes a topology with a parallel operation of PWM inverters for high speed motor drive systems. High speed motors have been widely used in industries to reduce system size and improve power conversion efficiency. However, the high spee
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98e79a5be59a17954505ed1132215781
https://doi.org/10.1109/apec.2010.5433439
https://doi.org/10.1109/apec.2010.5433439
Publikováno v:
2009 IEEE Energy Conversion Congress and Exposition.
This paper proposes the control algorithm for a Surface Mounted Permanent Magnet Synchronous Motor(SMPMSM) drive system running at 116,000 r/min. Hall sensors are employed to measure the rotor position, and a speed observer is used to enhance the dyn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7198a6b3907551b945911fec8c398e5
https://doi.org/10.1109/ecce.2009.5316187
https://doi.org/10.1109/ecce.2009.5316187
Publikováno v:
IAS
Electric governors are widely used in diesel engine applications. And a proportional, integral and derivative(PED) controllers runs the electric governor in order to control the engine speed. However, it is difficult to analyze the system stability d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::014c594e065ccd7dc79f9bcfce1f864c
https://doi.org/10.1109/08ias.2008.202
https://doi.org/10.1109/08ias.2008.202
Publikováno v:
IAS
Traction AC motors for the hybrid vehicles are designed to have high pole counts to increase torque output at zero and low speed. Then maximum synchronous frequency also increases due to the high pole counts. But switching and sampling frequency of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2af5f710c2a8ea97a2444e7cf697c192
https://doi.org/10.1109/ias.2007.309
https://doi.org/10.1109/ias.2007.309
Publikováno v:
IAS
Turbo compressors have been extensively used in the factory automation as a part of pneumatic manipulators. Authors developed a position sensorless super-high speed turbo compressor, and it has been installed and working at the industrial plants for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6a018ee68c23717fdc7a17acd880954a
https://doi.org/10.1109/ias.2007.104
https://doi.org/10.1109/ias.2007.104
Publikováno v:
Twentieth Annual IEEE Applied Power Electronics Conference and Exposition, 2005. APEC 2005..
The goal of this paper is to control 118,000r/min turbo compressor driven by 12 kW, 2 pole surface mounted permanent magnet synchronous motor (SMPMSM) in a position sensorless mode. PLL-type observer is adopted for the angle and the speed estimation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8726054abc88087bb283e7db62dea2e
https://doi.org/10.1109/apec.2005.1453101
https://doi.org/10.1109/apec.2005.1453101
Publikováno v:
Nineteenth Annual IEEE Applied Power Electronics Conference and Exposition, 2004. APEC '04..
The high frequency signal injection method in the sensorless position control of active magnetic bearings (AMB), has some merits such in that there is no steady-state error in the estimated position and can control the amplitude of the signals used f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ef9797fbce979ac12cbc161567dcc05
https://doi.org/10.1109/apec.2004.1295998
https://doi.org/10.1109/apec.2004.1295998
Publikováno v:
Eighteenth Annual IEEE Applied Power Electronics Conference and Exposition, 2003. APEC '03..
This paper proposes a novel method to estimate the position of suspended body that hovers due to the electromagnetic force. The position information of the suspended body can be extracted from the coil currents, which contain the high frequency compo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b3662e4490f3d82b630c51c93685cf6
https://doi.org/10.1109/apec.2003.1179180
https://doi.org/10.1109/apec.2003.1179180