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차량 안정성 향상을 위한 샤시 통합 제어 알고리즘 개발
정지열(Ji Yoel Joeng),안창선(Changsun Ahn),이상호(Sangho Lee),오영호(Young Ho Oh),이언구(Unkoo Lee) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Most electronic chassis control systems, such as ESC, CDC, AGCS or MOPS have been designed to improve each own performance. Recently, however, many researches are focused on maximizing vehicle overall stability and performance by integration of individual system. In this paper, the architecture and integration strategies of the integrated chassis control system are introduced, and the result of simulation is presented.
차량 안정성 향상을 위한 샤시 통합 제어 시스템 제어로직 개발
이상호(Sangho Lee),안창선(Changsun Ahn),정지열(Ji Yoel Joeng),오영호(Young Ho Oh),이언구(Unkoo Lee) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Most electronic chassis control systems, such as ESC, CDC, AGCS or MDPS have been designed to improve each own performance. Recently, however, many researches are focused on maximizing vehicle overall stability and performance by integration of individual system. In this paper, the architecture and integration strategies of the integrated chassis control system are introduced, and the result of simulation is presented.
ESC와 MPDS의 통합제어를 통한 차량 운동 성능 향상
이상호(Sangho Lee),안창선(Changsun Ahn),정지열(Ji Yoel Joeng),이민수(Young Ho Oh),오영호(Unkoo Lee) 한국자동차공학회 2007 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Based on advanced electronic technology and communication system, many chassis control systems have been developed. Recently, great R&D effort is being given to judicious integration of individual chassis control systems in an effort to push the overall vehicle performances further to its limit. In this paper, we describe the strategy for integration of brake and steering system to improve lateral stability and braking performance. Also we analyze the coupling effect between them. Test vehicle is developed using a commercial car which braking and steering system are modified. We tested the vehicle with the integrated controller on the μ-split road to verify improvement of braking performance and lateral stability. Also, we tested handling performance with double lane change maneuver.
이상호(Sangho Lee),이민수(Minsu Lee),정지열(Ji Yoel Joeng),문종은(Jongeun Moon) 한국자동차공학회 2010 한국자동차공학회 학술대회 및 전시회 Vol.2010 No.11
The Unmanned vehicle is a intelligent vehicle that recognizes environment itself and go to the target point without driver intervention. In this paper, system compositions for development of the unmanned vehicle are classified into three part, Recognition, Decision, Action. And function of each part is defined for overall system establishment. Also, controller model is designed for following the target trajectory and realizing the target vehicle speed, and then controller model is optimized by sensitivity analysis method.
Development of Integrated Chassis Control Algorithms to Improve Vehicle Dynamics
Taehun Hwang(황태훈),Kihong Park(박기홍),Seung-Jin Heo(허승진),Ji Yoel Joeng(정지열),Sangho Lee(이상호),Unkoo Lee(이언구),Kyu Hoon Lee(이규훈),Seung Guan Kee(기승관),Kangwon Lee(이강원) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Most electronic chassis control systems so far have been designed for optimization of its own performance. This, sometimes, has resulted in performance degradation when two or more control modules were operating together. Recently. great R&D effort is being given to judicious integration of individual chassis control systems in an effort to further enhance the overall vehicle performance. In this paper, two integrated control logics - one that integrates the brake and suspension control systems and the other that integrates the brake and steering control systems - have been developed. The main control target of both logics is vehicle dynamics control under critical situations. The two logics were tested under various driving conditions in a reliable simulation environment and their synergetic effects were investigated. The results indicate that the proposed logics can yield better vehicle performance than the cases when the individual chassis control modules work without any integration scheme.
Yaw Rate 제어 기반의 차량 안정성 향상에 관한 연구
조준상(Joon-Sang Jo),김성호(Sung-Ho Kim),유승한(Seung-Han you),정지열(Ji Yoel Joeng),이상호(Sangho Lee),이교일(Kyo-Il Lee) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Electronics Stability Control(ESC) system is an active vehicle safety system and stabilizes dynamic maneuver of a vehicle with differential braking. In this study, in order to enhance vehicle handling, lateral stability and roll stability, desired yaw rate is properly choosed and a yaw rate controller is designed based on sliding mode control theory. To generate total yaw moment required from the yaw rate controller, each brake pressure is distributed via brake pressure distribution strategy with optimal braking/brake releasing wheel decision. Proposed ESC controller is verified via CarSim simulation with single lane change, double lane change, slalom test and fishhook test.