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48V 계자 권선형 동기전동기 고성능 자속기반 토크제어
김선형(Seonhyeong Kim),천광수(Kwangsu Chun),박홍주(Hongjoo Park),박규성(Kyusung Park),진원준(Wonjoon Jin),이근호(Geunho Lee) 제어로봇시스템학회 2015 제어·로봇·시스템학회 논문지 Vol.21 No.12
In this paper, High performance torque control based on the flux mapping of 48V Wound Rotor Synchronous Motor has been studied to improve torque control. Flux map considering MTPA (Maximum Torque Per Ampere), MFPT (Minimum Flux Per Torque), Maximum efficiency point at the same torque command and flux command for each field current was produced. Current map using flux mapping of Each field current was applied to the MTPA, MFPT. Generating a current vector locus was to determine the characteristics of the operation region. Through the Matlab/Simulink simulation, difference between speed-torque map and flux map was represented. The suggested flux map was tested actual experiments on a dynamometer.
무인비행기 직렬 하이브리드 추진 시스템에서의 효율적인 배터리 공급을 위한 알고리즘 개발
박규성(Kyusung Park),이한상(Hansang Lee),박홍주(Hongjoo Park),진원준(Wonjoon Jin),이근호(Geunho Lee) 제어로봇시스템학회 2017 제어·로봇·시스템학회 논문지 Vol.23 No.3
Recently, the number of use of unmanned airplanes has been increased, and studies have been conducting to increase the cruising time. In the case of an unmanned airplane with a small capacity, the motor is used to drive the propeller instead of using the engine. And it uses the battery to drive the propeller motor. Instead of reducing the weight of the battery, it can be increased the cruising time by adding engines, generators and converters and performing power generation control. In this paper, we installed a current sensor between the BLDC motor drive and the battery. the algorithm that perform efficient power generation control according to the power required by the propeller is developed. And it can adjust the amount of regenerating electric power. We proposed a power generation algorithm that regenerates in response to load fluctuations, and verified it through simulations and experiments.