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저전압용 외전형 BLDC 전동기의 소비전류 최소화에 대한 연구A Study on the Current Minimization of a Outer-Rotor Type BLDC Motor for Low Voltage Application
- Other Titles
- A Study on the Current Minimization of a Outer-Rotor Type BLDC Motor for Low Voltage Application
- Issue Date
- 2018
- Publisher
- 한국군사과학기술학회
- Keywords
- Current Minimization(전류최소화); Optimization Techniques(최적화기법); BLDC; Propulsion Motor(추진전동기); Low Voltage(저전압)
- Citation
- 한국군사과학기술학회지, v.21, no.2, pp.211 - 216
- Journal Title
- 한국군사과학기술학회지
- Volume
- 21
- Number
- 2
- Start Page
- 211
- End Page
- 216
- ISSN
- 1598-9127
- Abstract
- This paper presents a numerical optimization technique and switching phase control technique aiming at improvement of efficiency of the low voltage BLDC motor. The optimization technique is performed using the generalized sensitivity technique, response surface method(RSM) and sampling minimization technique. In order to minimize current consumption of the BLDC motor, the switching method of the driving device is optimized using RSM with finite element analysis. The ratings of BLDC motor are 50 W, 24 V, 1200 rpm. As optimizing results, the input current is reduced from 2.78 to 2.51 [A] when the switching phase is shifted by -2.65 [DEG_ELC] at the rated driving speed of 1200 [rpm]. It is confirmed that the proposed method reduces the consuming current of the low voltage BLDC motor through switching phase control method using the numerical optimization method.
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Related Researcher
- Chung, Gyo Bum
- Science & Technology (Department of Electronic & Electrical Convergence Engineering)