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컨테이너 크레인의 모델링 및 로버스트 제어에 관한 연구
양주호(J. H. Yang),김영완(Y. W. Kim),최교호(G. G. Choi),정황훈(H. H. Jeong) 한국동력기계공학회 2004 한국동력기계공학회 학술대회 논문집 Vol.- No.-
This paper introduce the anti-sway control for container crane. We have separated the system two parts and modeled mathematically for container crane. One is the container part having swing motion and the other is the actuator part with a auxiliary mass. The actuator part is installed on the spreader and have a small auxiliary mass which reduce swing motion in the desired manner. In this paper, the H∞ control theory was used in this control system to get robust controller. It's shown that the desirable performances is confirmed through the mathematical simulation. That is the robustness of this control system which use H∞ control theory is confirmed for the ability of disturbance rejection and modeling error.
비전시스템을 이용한 양식장 자동먹이 공급 장치 개발연구 Ⅰ
최교호(G. H. Choi),양주호(J. H. Yang) 한국동력기계공학회 2006 한국동력기계공학회 학술대회 논문집 Vol.- No.-
Coastal industry was damaged by red tide in 1990's. Red tide is generated from water pollution. The principal cause of water pollution is follows. These are by the nitrogenous fertilizer flowing into coastal from a shore farm, and by plenty of accumulation feed for sea farm at the bottom of the sea. The final goal of this study is development of automation feeding system for sea farm using computer vision system. This system is consisted of the vision system including CCD camera and image acquisition card, and the control system including feeding provisions.
Hybrid F-NFC에 의한 저속 디젤 기관의 속도 제어
양주호(J. H. Yang),최교호(G. H. Choi),정황훈(H. H. Jeong),정해종(H. J. Jeong) 한국동력기계공학회 2004 한국동력기계공학회 학술대회 논문집 Vol.- No.-
In recent, the marine engine of a large size is being realized a lower speed, longer stroke and a small number of cylinders for the energy saving. Consequently the variation of rotational torque became larger than former days because of the longer delay-time in fuel oil injection process and an increased output per cylinder. It was necessary that algorithms have enough robustness to suppress the variation of the delay-time and the parameter perturbation. This paper shows the structure of hybrid F-NFC against the delay-time and the perturbation of engine parameter as modeling uncertainties, and the design of the robust speed controller by hybrid F-NFC for the engine. And, The Parameter values of linear equation are determined by RC-GA for F-NFS. The hybrid F-NFC is combined the F-NFC and PID controller for filling up each.
양주호(J. H. Yang),정황훈(H. H. Jeong),최교호(G. H. Choi),정광교(G. G. Jeong) 한국동력기계공학회 2004 한국동력기계공학회 학술대회 논문집 Vol.- No.-
F-NFS is that fuzzy inference based Neuro-Fuzzy System. It take aim at intelligently system model that can do learning, reasoning, memorizing and recognizing as human's thinking action. But F-NFS couldn't use learning rule to study learning set for neural network. Because it had structural fuzzy inference part. This study consider about F-NFS's learning method with GA. It take aim at learning F-NFS without any special learning method. And it also can deduce inference part from learning set, neural network's weighting matrix, bias matrix.
양주호(J. H. Yang),정황훈(H. H. Jeong),김영완(Y. W. Kim),최교호(G. H. Choi) 한국동력기계공학회 2005 한국동력기계공학회 학술대회 논문집 Vol.- No.-
The magnetic bearing system is the plant that studied a lot because it hasn't only disadvantage like nonlinearity, unstability, high price but also has advantage like low fiction, low noise, low heat generating as one of discontacted mechanical elements. This MBS is controlled by PID, H infinite, Sliding mode and so on. These control method has disadvantage that need system parameter cleary or can't have high quality response easily. In this study concern about F-NFS(Fuzzy inference based Neuro-Fuzzy System) that have robust with high quality response as PID.