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파라미터 해석을 통한 프리미엄급 단상 유도기 효율 설계
장광용(Kwang-Yong Jang),김광수(Kwang-Soo Kim),장익상(Ik-Sang Jang),이중우(Joong-Woo Lee),김솔(Sol Kim),이주(Ju Lee) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
In this paper seeks the parameter which relates with the efficiency from premium efficiency level single-phase induction motor. Also it compares with the parameters and it analyzes and an optimum parameter it seeks by FEM. Consquently, a optimal design is accomplished from the this paper. Also parameters compare efficiency. And it analyzes and studies about optimum parameter by FEM. The sample single-phase induction motor selection selected existing premium level motor. We analyze each parameter using 2-D finite element analysis (FEM). According to Study of losses and Design flow, losses and efficiency can be explain by many parameter. So this paper present optimal parameters. Finally, this paper presents the method which raises the efficiency of premium efficiency level single-phase induction motor.
와이퍼 블레이드 비선형 동마찰특성 연구를 통한 작동소음 및 반전소음 정량화 평가기술과 개선기술 개발
이준우(Lee, Joon Woo),김헌재(Kim, Hun Jae),백승길(Baek, Seung Kil),장광용(Jang, Kwang Yong),정해주(Jung, Hae Joo),Tom Reddyhoff 한국자동차공학회 2022 한국자동차공학회 학술대회 및 전시회 Vol.2022 No.11
In this paper, we focused on development of improvement technique and test method through research of fundamental and quantitative analysis method of cause of chattering(vibration) & noise in wiper blade durability performance. As a result, we found out that developed nonlinear friction characteristic curve of contact which is the index of blade chattering&noise when wiper is wiped, development of robust flat blade with low vibration performance by applying nonlinear friction curves, and identifying the mechanism of blade reversal noise to do derivation of controlling factor for minimizing reversal noise and coming up with good solutions. These results appliy to the wiper system of the vehicle being developed.