Zobrazeno 1 - 10
of 57
pro vyhledávání: '"Sung-Chul Go"'
Publikováno v:
Mathematics, Vol 12, Iss 19, p 3019 (2024)
In vector-controlled Permanent Magnet Synchronous Motors (PMSMs), measuring the motor flux angle, particularly the rotor position, is essential. If a pulse error occurs during motor control using an encoder, it becomes impossible to accurately estima
Externí odkaz:
https://doaj.org/article/61fd296f9c9b4c4dae5c59bd01b0d1c6
Publikováno v:
Energies, Vol 16, Iss 3, p 1219 (2023)
This study presents the characteristics and performance of a motor at the operating point based on pulse-width modulation (PWM). PWM is used in modulating the output voltage of a three-phase inverter. The PWM technique has advantages and disadvantage
Externí odkaz:
https://doaj.org/article/245b0943edc642bc8f02d9388ce21990
Autor:
Hyun-Jong Park, Sung-Chul Go
Publikováno v:
Energies, Vol 15, Iss 19, p 7436 (2022)
This paper presents the design, modeling, and control of a hybrid multi-degree-of-freedom motor (HMDOF motor) that can be applied to unmanned aerial vehicles, such as drones. The HMDOF motor has a rotating motor and tilting motors separately and enab
Externí odkaz:
https://doaj.org/article/d0ca356caad649dd9a50f26acd9db16b
Publikováno v:
IEEE Transactions on Applied Superconductivity. 28:1-4
Generally, brushless dc (BLDC) motor control uses a 120° conduction method that utilizes a low-cost Hall sensor as a position sensor. However, because of the mounting position error of the Hall sensor and the uneven magnetic flux density of the roto
Publikováno v:
IEEE Transactions on Magnetics. 53:1-4
The spoke-type permanent magnet synchronous motor (PMSM) is a motor built using nonrare earth elements, which feature low flux density. It has a flux concentrated structure of permanent magnet arrangement to improve power density. Further, the torque
Publikováno v:
IEEE Transactions on Magnetics. 53:1-4
This paper proposes the optimization of the shape and size of a ferrite magnet and the arrangements necessary to reduce torque ripple and maximize back electromotive force (B-EMF) in a permanent-magnet-assisted synchronous reluctance motor. First, fo
Autor:
Sang Hwan Ham, Sooyoung Cho, Hyung-Woo Lee, Huai cong Liu, Jong Hyuk Woo, Ju Lee, Sung Chul Go, Chang Moo Lee
Publikováno v:
Journal of Magnetics. 22:23-28
This paper is a study of the eddy current brake designed to replace the air brake of railway application. The eddy current brake has the advantage of being able to take a high current density compared to the other application because this brake is us
Publikováno v:
Journal of Electrical Engineering and Technology. 12:466-471
Pantograph must be correctly attached to catenary to continuously supply stable power to railway vehicle, and the device used here is Auxiliary Air Compressor (ACM). The existing ACM used the DC motor that included commutator and brush. Since mainten
Publikováno v:
Journal of Electrical Engineering and Technology. 12:110-116
This paper proposed a new real-time parameter tracking algorithm. Unlike the convenience algorithms, the proposed real-time parameter tracking algorithm can estimate parameters through three-phase voltage and electric current without coordination tra
Publikováno v:
Journal of Electrical Engineering and Technology. 12:126-133
This paper deals with the effects of welding, which is done to fix the stator stack, on a motor in case of fabricating a prototype motor that is manufactured in a small quantity. In the case of a small motor, the stator is designed and fabricated wit