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[차량운동성능] 퍼지제어기를 이용한 차량 안정성 제어 시스템의 성능 향상에 관한 연구
나혁민(Hyuck-Min Na),허승진(Seung-Jin Heo),박기홍(Kihong Park) 한국자동차공학회 1999 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1999 No.11_2
The VDC(Vehicle Dynamics Control) is a control system that tries to improve stability of a vehicle under lateral motion. The system is getting much attention in the field of research since it can be implemented with little extra cost in a vehicle equipped with the ABS/TCS system. A lateral vehicle motion especially on a slippery road can lead to a hazardous situation such as plough or spin, and the situation can even worsen by the driver's inappropriate response. In this paper, a fuzzy control system has been developed that yields a direct yaw moment signal by which the vehicle can gain stability during cornering. The controller takes the rear wheel slip angle and the yaw rate as input. A simulation has been conducted to evaluate the performance of the designed VDC and the results indicated that the controller can successfully improve vehicle stability under potentially dangerous driving conditions.
나혁민(Hyuck-Min Na),민흥기(Heung-Ki Min),송병석(Byung-Suk Song) 한국자동차공학회 2001 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2001 No.11_1
Present automotive maker is admitted the technology-power by developing unique technique. It is a dangerous that we make a certain of a vehicle in the blind spot at the high speed. To avoid this dangerous situation, Equipment making a alarm, when a detection vehicle in the blind spot is necessary. Driver has a Jot of concerning for vehicle safety. Especially, Alarm system in the safety system will be constructed in the near future.<br/> BCWA system include high level techniques for sensor application, object detection algorithm, and ECU design<br/>
궤도차량 반능동 현수 제어기의 ECU-in-the-loop Simulation
손영일(Sohn. Young-Il),나혁민(Na. Hyuck-Min),송병석(Song. Byung-Suk) 한국자동차공학회 2003 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In this paper, an ECU-in-the-loop simulation system is const겨cted in order to verify the performance of a semi-active suspension controller for tracked vehicles. This system consists of a real-time vehicle simulation model based on multi-body dynamics formulation, semi-active in-arm suspension unit model, real-time simulation hardware where the simulation model is downloaded, and prototype ECU hardware and software which adopt the skyhook control algorithm to improve the vehicle motion especially in cross-country driving. Real-time hardware-in-the-loop simulation results show the control functions in ECU has a proper performance.<br/> <br/>
ECU-In-The-Loop Simulation 기법을 이용한 반능동 현가 제어기 설계연구
송신우(Sin-Woo Song),송병석(Byung-Suk Song),나혁민(Hyuck-Min Na),손영일(Young-Il Sohn) 한국자동차공학회 2003 한국자동차공학회 Symposium Vol.2003 No.8
In this paper, an ECU-in-the-loop simulation system is constructed in order to design semi-active suspension controller and verify the performance of that. This system consists of a real-time vehicle simulation model based on multi-body dynamic formulation, in arm type suspension unit model, real-time simulation hardware where the simulation model is downloaded, and prototype ECU hardware and software which adopt the skyhook control algorithm to improve the vehicle motion especially in driving. Real-time hardware-in-the-loop simulation results show the control functions in ECU has a proper performance.<br/>
허승진(Seung-Jin Heo),박기홍(Kihong Park),이경수(Kyongsu Yi),나혁민(Hyuck-Min Na),백인호(Inho Paik) 한국자동차공학회 2000 한국 자동차공학회논문집 Vol.8 No.5
The VDC(Vehicie Dynamics Control) is a control system whose target is to improve stability of a vehicle under lateral motion. A lateral vehicle motion, especially on a slippery road, can lead to a hazardous situation, and the situation can even worsen by the driver's inappropriate response. In this paper, two VDC systems, a fuzzy-based controller and an LQR-based controller have been developed. The controllers take as input the yaw rate and the sideslip angle of either body or rear wheel, and they yield the direct yaw moment signal by which the vehicle can gain stability during cornering. Simulations have been conducted to evaluate the performance of the control systems. The results indicated that the controllers can successfully improve vehicle stability under potentially dangerous driving conditions.