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정병건(Byung-gun Jung),소명옥(Myung-ok So),엄필용(Pil-yong Eum),백세훤(Se-hwon Paek),김창화(Chang-hwa Kim) 한국마린엔지니어링학회 2007 한국마린엔지니어링학회 학술대회 논문집 Vol.2007 No.-
The development of a marine engine simulator system for training and research is described. Development objectives of the system are for both student training and research and development work. The system includes a distributed server/client architecture for I to I or I to many client simulation operation through OPC server, complete separation of visual elements from the controlling routines and the ability to work on the mathematical model independent of the controller and visual systems. A graphical user interface for the man-machine interface has been developed and the mathematical model has been updated. Various engine operational situations can be simulated. The use of MESS for training of sea going engineers and its competency for STCW-95 is discussed.
기관 구역 시뮬레이터 교육의 효율적 수행 방안에 관한 소고
정병건(Byung-Gun Jung),Peter Niekamp, 박재식(Jae-Shik Park) 한국해양대학교 해사산업연구소 2002 海事産業硏究所論文集 Vol.12 No.-
This paper suggests a method to perform effective education and training for pc-based machinery space simulator. The method includes sequence, procedure, exercise and evaluation. The sequence and procedure present explanation for the machinery and guide trainee to the competent level. The exercise enhances understanding for efficient engine management and enable user to perform research for the machinery. The evaluation shows exercise results and feedbacks instructor how to guide the under-performed trainee.
RCGA에 기초한 선박 가스터빈 엔진용 PID 제어기의 동조
소명옥,정병건,진강규,진선호,이윤형,So Myung-Ok,Jung Byung-Gun,Jin Gang-Gyoo,Jin Sun-Ho,Lee Yun-Hyung 한국마린엔지니어링학회 2005 한국마린엔지니어링학회지 Vol.29 No.1
The PID controllers have been widely accepted in many industrial systems due to their robust performance in a wide range of operating conditions and their functional simplicity To implement a PID controller, its three parameters must be determined for the given plant. Conventional tuning methods are mainly based on experience and experiment and are lack of systematic procedure Recently. to overcome drawbacks of conventional tuning methods, genetic algorithms have been used, In this paper a real-coded genetic algorithm is employed to search for the optimal parameters of the PID controller for speed control of marine gas turbine engines. Simulation results show the effectiveness of the proposed scheme.
불확실성을 고려한 횡축형 자기 베어링 시스템의 로버스트 제어에 관한 연구
김창화(Chang-Hwa Kim),정병건(Byung-Gun Jung) 한국마린엔지니어링학회 2008 한국마린엔지니어링학회 학술대회 논문집 Vol.2008 No.-
Recently, the magnetic bearings which have many advantages such as no noise, less mechanical friction are widely applied to the suspension of rotors on the rotary machineries. However, the magnetic bearing system is inherently unstable, nonlinear and MIMO(multi-input-multi-output) system as well. In this paper, we design the state feedback gain using linear matrix inequality(LMI) to the multi-objective synthesis, in the magnetic bearing system with integral type servo system. The design objectives include H∞ performance, asymptotic disturbance rejection, time-domain constraints, on the closed-loop pole location. The results of computer simulation show the validity of the designed controller.
불확실성을 고려한 횡축형 자기 베어링 시스템의 로버스트 제어에 관한 연구
김창화(Chang-Hwa Kim),정병건(Byung-Gun Jung) 한국항해항만학회 2008 한국항해항만학회 학술대회논문집 Vol.2008 No.공동학술
Recently, the magnetic bearings which have many advantages such as no noise, less mechanical friction are widely applied to the suspension of rotors on the rotary machineries. However, the magnetic bearing system is inherently unstable, nonlinear and MIMO(multi-input-multi-output) system as well. In this paper, we design the state feedback gain using linear matrix inequality(LMI) to the multi-objective synthesis, in the magnetic bearing system with integral type servo system. The design objectives include H∞ performance, asymptotic disturbance rejection, time-domain constraints, on the closed-loop pole location. The results of computer simulation show the validity of the designed controller.