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백정우(Jeong-Woo Baek),고재섭(Jae-Sub Ko),최정식(Jung-Sik Choi),강성준(Sung-Jun Kang),장미금(Mi-Geum Jang),문주희(Ju-Hui Mun),정동화(Dong-Hwa Chung) 전력전자학회 2010 전력전자학술대회 논문집 Vol.2010 No.7
This paper proposes maximum torque control of IPMSM drive using optimal current. This control method is applicable over the entire speed range which considered the limits of the inverter's current and voltage rated value. For each control mode, a condition that determines the optimal d-axis current id for maximum torque operation is derived. This paper considers the design and implementation of novel technique of high performance speed control for IPMSM using multi-MFC and ANN controller. Also, this paper proposes maximum control of IPMSM drive using approximation method. This method is decreased the burden of digital signal process(DSP) in calculation of optimal current. This paper proposes the analysis results to verify the effectiveness of the MFC and ANN controller. Also it verifies the validity of maximum torque control of IPMSM drive with optimal current.
백정우(Jeong-Woo Baek),고재섭(Jae-Sub Ko),최정식(Jung-Sik Choi),강성준(Sung-Jun Kang),장미금(Mi-Geum Jang),문주희(Ju-Hui Mun),정동화(Dong-Hwa Chung) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.4
This paper proposes maximum torque control of IPMSM drive using multi model reference adaptive fuzzy controller(MFC) and artificial neural network(ANN). This control method is applicable over the entire speed range which considered the limits of the inverter's current and voltage rated value. For each control mode, a condition that determines the optimal d-axis current id for maximum torque operation is derived. This paper considers the design and implementation of novel technique of high performance speed control for IPMSM using multi-MFC and ANN controller. The hybrid combination of neural network and fuzzy control will produce a powerful representation flexibility and numerical processing capability. Also, this paper proposes maximum control of IPMSM drive using approximation method. This method is decreased the burden of digital signal process(DSP) in calculation of optimal current. This paper proposes the analysis results to verify the effectiveness of the MFC and ANN controller. Also it verifies the validity of maximum torque control of IPMSM drive with approximation method.
다중 MFC에 의한 IPMSM 드라이브의 MTPA 제어
백정우(Jeong-Woo Baek),고재섭(Jae-Sub Ko),최정식(Jung-Sik Choi),강성준(Sung-Jun Kang),장미금(Mi-Geum Jang),문주희(Ju-Hui Mun),정동화(Dong-Hwa Chung) 한국조명·전기설비학회 2010 한국조명·전기설비학회 학술대회논문집 Vol.2010 No.5월
This paper proposes maximum torque control of IPMSM drive using multi model reference adaptive fuzzy controller(MFC) and artificial neural network(ANN). This control method is applicable over the entire speed range which considered the limits of the inverter's current and voltage rated value. For each control mode, a condition that determines the optimal d-axis current i<SUB>d</SUB> for maximum torque operation is derived. This paper considers the design and implementation of novel technique of high performance speed control for IPMSM using multi-MFC and ANN controller. The hybrid combination of neural network and fuzzy control will produce a powerful representation flexibility and numerical processing capability. Also, this paper proposes speed and current control of IPMSM using MFC and estimation of speed using ANN controller. The back propagation neural network technique is used to provide a real time adaptive estimation of the motor speed. The proposed control algorithm is applied to IPMSM drive system controlled MFC and ANN controller, the operating characteristics controlled by maximum torque control are examined in detail. Also, this paper proposes the analysis results to verify the effectiveness of the MFC and ANN controller.
백정우(Jeong-Woo Baek),고재섭(Jae-Sub Ko),최정식(Jung-Sik Choi),강성준(Sung-Jun Kang),장미금(Mi-Geum Jang),김순영(Sun-Young Kim),정동화(Dong-Hwa Chung) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.10
This paper proposes photovotaic/thermal (PV/T) hybrid module to get the Electrical and Thermal performance of building integrated photovoltaic(BIPV) system. BIPV system is decreased the system efficiency because output of PV is decreased by the thermal rising on generating. In order to improve the efficiency of BIPV module, water cooling system is applied and generated thermal is used the warm water system. Water cooling system uses the HBPI thermal control and flow control algorithm. Electrical and thermal performance of proposed PV/T module is confirmed through the actual experiment and proved the valid of this paper.
AFLC를 이용한 IPMS 드라이브의 NN 파라미터 추정
백정우(Jeong-Woo Baek),고재섭(Jae-Sub Ko),최정식(Jung-Sik Choi),강성준(Sung-Jun Kang),장미금(Mi-Geum Jang),문주희(Ju-Hui Mun),정동화(Dong-Hwa Chung) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
A number of techniques have been developed for estimation of speed or position in motor drives. The accuracy of these techniques is affected by the variation of motor parameters such as the stator resistance, stator inductance or torque constant. This paper is proposed a neural network based estimator for torque and stator resistance and adaptive fuzzy learning controller(AFLC) for speed control in IPMSM Drives. AFLC is changed fuzzy rule base by rule base modifier for robust control of IPMSM. The neural weights are initially chosen randomly and a model reference algorithm adjusts those weights to give the optimum estimations. The neural network estimator is able to track the varying parameters quite accurately at different speeds with consistent performance. The neural network parameter estimator has been applied to slot and flux linkage torque ripple minimization of the IPMSM. The validity of the proposed parameter estimator and AFLC is confirmed by compare to conventional algorithm.
정영은,이지은,한유,최정우,백경희,박주언,민정아,채정호,Jung, Young-Eun,Lee, Ji-Eun,Han, You,Choi, Jeong-Woo,Baek, Kyoung Hee,Park, Joo-Eon,Min, Jung-Ah,Chae, Jeong-Ho 대한불안의학회 2013 대한불안의학회지 Vol.9 No.1
본 연구는 한국인에게 맞는 강점 척도의 개발과 타당화를 목적으로 한다. 연구 참여자는 남녀 성인 355명이었으며, 측정도구는 HEXACO 성격 검사, 삶의 만족도 척도, 긍정적 부정적 정서 척도, 행복추구경향 척도를 사용하였다. 탐색적 요인 분석 결과, 25개의 하위 영역은 4개의 상위 요인 구조를 보였다. 한국인 강점 척도는 높은 내적일치 신뢰도를 보였고, 각각의 하위영역와 개념적으로 유사하기 때문에 높은 상관을 나타내리라고 기대하였던 관련 측정치들과 예상대로 높은 상관을 보였다. 본 연구에서 개발된 한국인 강점 척도는 신뢰롭고 타당한 측정 도구로 평가되었으며, 개인의 대표강점의 발견과 활용에 관한 임상적 실제, 연구 및 교육에 효과적으로 이용 가능할 것이다. Objectives : The purpose of this study was to develop the Korean Strength Scale and to examine its validity and reliability. Methods : The Korean Strength Scale is a self-report questionnaire that measures 25 valued strengths and is comprised of 124 items ; each item had a 0-5 rating on a 6-point scale. In order to test validity and reliability, data were collected from 355 adults. The measures included the Korean Strength Scale, HEXACO Personality Inventory (HEXACO-PI), Satisfaction with life scale (SWLS), Positive Affect and Negative Affect Schedule (PANAS), and Orientations to Happiness Questionnaire (OHQ). Results : The resulting exploratory factor analysis of the Korean Strength Scale suggested 4 factor structures. The Korean Strength Scale was shown to have acceptable psychometric properties, including acceptable internal-consistency reliabilities, factorial validity, and high convergent correlations. Conclusion : Although there is room on improvement for some facet scales, the Korean Strength Scale appears to be a useful tool for assessing an individual's signature strengths.