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변윤섭,조태신,윤경한,김영철 ( Yeun Sub Byun,Tae Shin Cho,Kyohg Han Yun,Young Chol Kim ) 충북대학교 산업과학기술연구소 1994 산업과학기술연구 논문집 Vol.8 No.2
Abstract_Roman The controller of electromagnetic su nsion system(EMS) is very bard to design because it is highly nonlinear in nature and unetahle. R ' y the robust stablity and performance must be guaranteed under the worst coodition. In the caee of the
CAN통신을 이용한 Bimodal-tram Simulator
변윤섭(Yeun-Sub Byun),김영철(Young-Chol Kim),윤경한(Kyoung-Han Yun),목재균(Jei-kyun Mok) 대한전기학회 2009 정보 및 제어 심포지엄 논문집 Vol.2009 No.10
In this paper we present the bimodal-tram simulator using CAN communication. The Bimodal tram is developed in KRRI (Korea Railroad Research Institute). The Bimodal tram has the advantages of both bus and train. The vehicle can be automatically operated by navigation control system (NCS). For the automatic driving, the vehicle lanes will be marked with permanent magnets that are buried in the road. The control algorithm developed for navigation control has to be tested before being applied in the vehicle. In this purpose, we design the simulator for controller test of the bimodal-tram.
변윤섭(Yeun-Sub Byun),목재균(Jei-kyun Mok),윤경한(Kyoung-Han Yun),김영철(Young-Chol Kim) 대한전기학회 2008 대한전기학회 학술대회 논문집 Vol.2008 No.10
The Bimodal tram is developed in KRRI (Korea Railroad Research Institute). This vehicle will be used in the public transportation system. The Bimodal tram has the advantages of both bus and train. Bus system has the advantages of flexibility of the routes delivering passengers to the destination and easy accessibility. Train is to meet the scheduled arrival and massive public transportations. The vehicle is the rubber tired tram and is all wheel steered single articulation. The vehicle can be automatically operated by navigation control system (NCS). For the automatic driving, the vehicle lanes will be marked with permanent magnets that are buried in the road. The control algorithm developed for navigation control has to be verified before being applied in the vehicle. In this purpose, we design the simulator for controller test of the bimodal tram.
윤경한(Kyong-Han Yun),이용상(Yong-Sang Lee),민경득(Kyung-Deuk Min),김영철(Young-Chol Kim),변윤섭(Yeun-Sub Byun) 대한전기학회 2011 전기학회논문지 Vol.60 No.10
This paper is concerned with the robustness evaluations of the guidance controller for a bimodal tram which is being developed by the Korea Railroad Research Institute (KRRI). The bimodal tram is an all-wheel steered multiple-articulated vehicle as a new kind of transportation vehicle. This vehicle has to be equipped with an automatic guidance system. In [1], such a controller has been recently proposed. However, since the performance is affected by weight change of the vehicle due to number of the passenger, model parameter uncertainties depending on the state of friction and the elasticity of the tire, and a typhoon, the controller designed must be examined with these conditions. As expected, because the vehicle dynamics is highly nonlinear, for the sake of investigating the robustness of the controller we compose two simulation ways based on the vehicle models which are implemented by the ADAMS and the MATLAB/LabVIEW toolboxes. Different uncertainties and a typhoon disturbance have been considered for the simulation conditions. Simulation results are shown.
자기적 안내제어시스템을 이용하는 굴절차량의 위치 및 방위각 추정
윤경한(Kyong-Han Yun),김영철(Young-Chol Kim),민경득(Kyung-Deuk Min),변윤섭(Yeun-Sub Byun) 대한전기학회 2011 전기학회논문지 Vol.60 No.10
For automated guidance control of a magnetically guided-all wheel steered vehicle, it is necessary to have information about position and orientation of the vehicle, and deviations from the reference path in real time. The magnet reference system considered here consists of three magnetic sensors mounted on the vehicle and magnetic markers, which are non-equidistantly buried in the road. This paper presents an observer to estimate such position and orientation at the center of gravity of the vehicle. This algorithm is based on the simple kinematic model of vehicle and uses the data of wheel velocity, steering angle, and the discrete measurements of marker positions. Since this algorithm requires the exact values of initial states, we have also proposed an algorithm of determining the initial position and orientation from the 16 successive magnet pole data, which are given by the magnetic measurement system(MMS). The proposed algorithm is capable of continuing to estimate for the case that the magnetic sensor fail to measure up to three successive magnets. It is shown through experimental data that the proposed algorithm works well within permissible error range.
전차륜조향 굴절차량의 안내제어를 위한 횡방향 동역학 모델
윤경한(Kyoung-Han Yun),김영철(Young-Chol Kim),민경득(Kyung-Deuk Min),변윤섭(Yeun-Sub Byun) 대한전기학회 2011 전기학회논문지 Vol.60 No.6
This paper deals with the lateral dynamic model of an all-wheel steered articulated vehicle to design a guidance controller. Nonlinear dynamic model of articulated vehicle is developed by complementing the model about the BRT system of California PATH in U. S. A. and the Phileas system of the APTS in Netherlands. Linear lateral dynamic model has been derived from the nonlinear dynamic model under some assumptions associated with the driving conditions. To design a guidance controller, we derive a transfer function that is steering angle as input and lateral acceleration as output from the linear lateral dynamic model by applying the parameter of vehicle that is developed by Korea Railroad Research Institute. To validate the dynamic model, nonlinear dynamic model has been compared with a vehicle model that has been programmed in ADAMS, and linear dynamic model has been compared with a nonlinear dynamic model under sime assumptions.
이영훈(Lee Young Hoon),변윤섭(Byun Yun Sub),김민수(Kim Min Soo),최은수(Choi Eun Soo),이관섭(Lee kwan Sup) 한국철도학회 2006 한국철도학회 학술발표대회논문집 Vol.- No.-
The Maglev Train System in Korea has been developed as a type of Light Rail Transit systems meanwhile. LRT systems which is a type of Urban Railway System, has been standardizing and some of them are prescribed but the Maglev System is not in the law. Along with planning the Urban Maglev Train Commercialization Project in recent time additionally, we reviewed the contents of the laws for the commercialization of the system, and emerged the way to revise the relative laws.