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이동제,최영규,Lee, Dong-Je,Choi, Young-Kiu 한국정보통신학회 2007 한국정보통신학회논문지 Vol.11 No.11
본 논문은 초음파 센서에 의해 인식된 정보를 항체와 항원으로 모델링 된 퍼지 인공 명역망에 의한 하위 행위기와 상위 행동 선택기로 설계된 자율이동로봇 시스템에 관한 연구이다. 외부 환경과 행동 패턴의 관계는 매우 많은 조합이 가능하다. 이러한 복잡한 관계 속에서 행동의 우선 순위를 어떻게 결정하는가 하는 문제가 가장 중요하다. 이런 복잡한 결정을 위해 본 논문에서는 퍼지 인공 면역망 알고리즘을 제시하고, 컴퓨터 시뮬레이션에 의해 제안된 자율이동로봇의 행위 선택기의 유용성을 보여준다. In this paper addresses the low-level behavior of fuzzy control and the high-level behavior selector for Autonomous Mobile Robots(AMRs) based on a Fuzzy Artificial Immune Network. The sensing information that comes from ultrasonic sensors is the antigen it, and stimulates antibodies. There are many possible combinations of actions between action-patterns and external situations. The question is how to handle the situations to decide the proper action. We propose a fuzzy artificial immune network to solve the above problem. and the computer simulation for an AMR action selector shows the usefulness of the proposed action selector.
입력성형필터 최적 설계를 위한 인공 명역망과 유전 알고리즘 비교에 관한 연구
이동제(Dong-Je Lee),최영규(Young-Kiu Choi) 대한전기학회 2010 전기학회논문지 Vol.59 No.8
Recently to increase the productivity and improve the quality in the industrial process, suppressing the residual vibration in motion control systems becomes the essential problem to solve. One of the methods to suppress the residual vibration is the input shaping technique. It is based on parameters of the system model; however, the parameters are usually difficult to obtain. This paper shows the effects of the residual vibration caused by the variation of the general velocity profile for the system with two vibration modes, and also shows the effects of the input shaping filter based on the parameters of system model. Finally, the simulation results show that the proposed input shaping filter using an artificial immune algorithm is more effective for suppressing residual vibrations than genetic algorithm.
이동제(Dong-Je Lee),김형만(Hyung-Man Kim),이동호(Dong-Ho Lee),홍기호(Ki-Ho Hong),배명환(Myung-\han Bae) 한국자동차공학회 2002 한국자동차공학회 지부 학술대회 논문집 Vol.2002 No.3
In the present study, surface temperature measurement of the cylinder head was done in a diesel Engine by K-type and E-type thermocouples. The thermocouples are welded on the surface of the cylinder head to measure the surface temperature, and drawn out through the hole of safety valve. A connector is designed and manufactured in the hole of safety valve, and Ceramic bond was used to prevent the leakage of combustion gas. Surface temperature distribution of the cylinder head have been measured with various engine torque. The results show that the surface temperature of exhaust valve side is much higher than other parts.<br/>