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능동형 타이어 궤적 제어 장치를 위한 액츄에이터 최적화 개발
최해용(Hae-ryong Choi),김성준(Sung-jun Kim),이상호(Sang-ho Lee),오영호(Young-ho Oh),이언구(Un-koo Lee),배한욱(Han-wook Bae) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
This paper presents the optimized actuator development of the active geometry control suspension(AGCS) system as the worldfirst, unique and patented chassis technology. The aim of this work is cost and weight reduction in actuators of AGCS using the Design For Six Sigma(DFSS). And their performance must be above same performance. To achieve an aim, L18 orthogonal Array Table is used. Components of motor and gear(Lead-screw) are selected as a control Factor for DFSS. Control factors have acceptable range of each design parameter. DFSS evaluates the influence and the interaction of a selected control factors of actuators in AGCS system through a limited number of experiments and the optimized system was verified. The optimized test result showed 1.25 ㏈ gain in S/N ratio and 0.007 gain in beta.
박수보(Soo Bo Park),임용섭(Yong Sub Lim),오영호(Young Ho Oh),이언구(Un Koo Lee) 한국자동차공학회 2005 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2005 No.11_2
In this paper, we strived to develop the VRS(Variable Rack Stroke} system, which was able to vary the steering rack stroke of the vehicle. The steering rack stroke was lengthened as much as the gap condition designed for being installed the snow chain around tires. As we could steer the tires on the above gap condition without snow chain, we could reduce the minimum turning radius.
고영은(Young Eun Ko),박영욱(Young Wook Park),조영건(Young Gun Cho),김중주(Jung Ju Kim),이언구(Un Koo Lee) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
This paper introduces a newly developed suspension system for new Elantra model of Hyundai Motor Company which will be on the market this year. The new chassis of Elantra has been developed to give more driving pleasure and confidence to a driver. To achieve these driving targets, the suspension has been changed and finely adjusted to achieve better ride and handling performance compared with the previous generation. Especially, a new multi-link suspension which has two upper links has been developed. The kinematics and compliance characteristics have been contrasted to those of the previous model. Also, the crashworthiness and package efficiency has been considered without limitation of suspension performance. Based on the customer's voice of market, the suspension of new Elantra has tried to fit the all kind of the customer's demand.
랙 이송형 Steer-by-Wire 시스템 제어기 설계
오승규(Seung-kyu Oh),성우제(Woo-je Sung),박동진(Tong-jin Park),한창수(Chang-soo Han),이언구(Un-koo Lee),이상호(Sang-ho Lee) 한국자동차공학회 2003 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
The Rack-Moving SBW system is separated two parts. One is steering motor control part which uses feedback steering torque from front wheel motor to transfer steering feeling and information of the road to the driver. Another is front wheel motor control part which uses position feedback control to accurate steering and to improve maneuverability and stability. In this study, the steering wheel motor and the front wheel motor are modeled and controlled. Finally, the discrete controller is developed for the proper steering control and the validity was verified by full car simulation.<br/>