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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.
이상호(Sangho Lee),성현(Hyun Sung),김정원(Jungwon Kim),오영호(Youngho Oh),이언구(Unkoo Lee) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
This paper presents the investigation on the improvement of the SUV rollover performance by the AGCS system. The AGCS system actively controls the suspension link mounting point of the body to increase the rear bump toe-in angle during hign-speed turning maneuvers. The effect of the AGCS is remarkable to enhance a handling performance in high-speed cornering by adjusting rear bump toe-in angle and especially a rollover performance of the SUV. In this paper, the AGCS control scheme has been developed. The vehicle with the AGCS system is compared with the vehicle without the AGCS through the fishhook test. The test is passed if front and rear wheel lift doesn't occur at the same time. The fishhook test results show that the vehicle has a good rollover performance with the AGCS system connected.
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.
박수보(Soobo Park),오영호(Youngho Oh),이언구(Unkoo Lee) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Steer by wire (SBW) system is a prospective new chassis technology which eliminates mechanical linkages between steering wheel and steering gearbox. SBW system steers a vehicle by using actuators which receive vehicle information from sensors. This paper proposes an Independent-type steer by wire system which has two steering actuators in RH and LH so that the steered angle of front tires can be controlled by ECU independently. The Independent-type SBW system has merits over the conventional SBW system in that it highly enhances system safety and can realize ideal handling performance by controlling right and left wheels independently. The procedure of developing the Independent-type SBW is followed below: a HILS (Hardware-In-the-Loop Simulation) system and validating the system, Designing the layout of system to tit a vehicle with the Independent-type SBW, and analyzing the system layout, describing a manufacturing and testing vehicle equipped with the Independent-type SBW system, and finally laying the future works open based on the test results.
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.
듀얼모터 제어 좌우독립형 Steer-By-Wire 시스템 개발
감민석(Minseok Kam),황성욱(Sungwook Hwang),박수보(Soobo Park),김종갑(Chongkap Kim),오영호(Youngho Oh),이언구(Unkoo Lee) 한국자동차공학회 2007 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
The Steer-By-Wire system can have great advantages over the conventional due to its high degree of freedom. Vehicle package, crashworthiness and dynamic performance would be made better by Steer-By-Wire. In spite of these benefits, fail-safety is the most critical problem to make it available. This paper first presents an Independent-type Steer-By-Wire system with dual motor in steering actuator. This Independent-type Steer-By-Wire system has merits over the conventional SBW system in that it highly enhances system safety and can realize ideal handling performance by controlling right and left wheels independently. The system with dual motor enables the actuator to overcome the shortage in fail-safety. The. motor is controlled by each ECU respectively. Secondly, the Independent-type Steer-By-Wire system was implemented in a vehicle and then evaluated in objective and subjective manner. Finally, the future works based on the test results follows.