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SCC 시스템 기반 도로 구배 인지를 통한 하이브리드 자동차의 회생제동 극대화 전략에 관한 연구
소민우(Minwoo Soh),권재준(Jaejoon Kwon),홍태욱(Taewook Hong),박기홍(Kihong Park),김선민(Sunmin Kim),강명묵(Myungmuk Kang) 한국자동차공학회 2013 한국자동차공학회 부문종합 학술대회 Vol.2013 No.5
This paper proposes the regenerative braking of hybrid electric vehicle optimization algorithm. With enlargement of segment applyied hybrid electric vehicle, it is necessary to research about combining ADAS with hybrid electric vehicle like smart cruise control system. For the help of SCC system, the hybrid electric vehicle is able to obtain the information of forward vehicle and lay out driving strategy which improves the fuel economy. In addition, the information of road gradient aid the SCC system provides more accuracy information of forward vehicle that is indispensable for optimizing the performance of regenerative braking of hybrid electric vehicle. In this paper, therefore, modelling of hybrid electric vehicle and SCC system is conducted to establish the regenerative braking optimization algorithm with assuming that the information of road gradient is already obtained. The performance verification of developed algorithm is executed through some scenarios that contain gradient of road. At the end of this paper, the evaluation of simulation result is conducted.
EMB/CBS 시스템의 비교 평가를 위한 HiLS 시스템 개발에 관한 연구
소민우(Minwoo Soh),이진교(Jinkyo Lee),권재준(Jaejoon Kwon),홍태욱(Taewook Hong),박기홍(Kihong Park),박만복(Manbok Park),김명준(Myoungjune Kim) 한국자동차공학회 2012 한국자동차공학회 부문종합 학술대회 Vol.2012 No.5
As a part of the X-by-wire technology, brake-by-wire system replaces hydraulic brake system with electrical components. The EMB system is typical shape of BbW. So, in this research a hardware-in-the-loop simulation of the EMB is developed in order to test and assess the EMB system. For using to compare with EMB HiLS system, CBS HiLS system is also developed. Finally, the performance evaluation was conducted to compare both systems by using the constructed EMB/CBS HiLS system.
HiLS기반 전동식 조향 시스템의 횡풍에 대한 주행안정성 평가방법 연구
이진교(Jinkyo Lee),소민우(Minwoo Soh),권재준(Jaejoon Kwon),홍태욱(Taewook Hong),박기홍(Kihong Park),서지윤(Jeeyoon Suh),김종갑(Chongkap Kim) 한국자동차공학회 2012 한국자동차공학회 부문종합 학술대회 Vol.2012 No.5
Crosswind is one of the major factors that affects on driving stability. Therefore, in order to make up for it, the performance evaluation for MDPS which assist to ensure vehicle driving stability is very important. But the driving stability evaluation of vehicle system for crosswind is difficult to take a vehicle test due to environment restriction. In this paper, we want to develop the method and criteria of evaluating driving stability for crosswind of MDPS with HiLS quantitatively. The purpose of this study is to help the vehicle development by reviewing and applying for the method which can evaluate driving stability for crosswind under various condition in virtual driving environment based on MDPS HiLS.
SCC 시스템 기반 하이브리드 자동차의 연비 향상 알고리즘 개발
권재준(Jaejoon Kwon),소민우(Minwoo Soh),홍태욱(Taewook Hong),박기홍(Kihong Park),김선민(Sunmin Kim),강명묵(Myungmuk Kang) 한국자동차공학회 2012 한국자동차공학회 학술대회 및 전시회 Vol.2012 No.11
In recent years, the Hybrid Electric Vehicle (HEV) is replenished to various segment in market place. And it reaches luxury sedan which has Advanced Driver Assistance System (ADAS) like Smart Cruise Control (SCC) sooner or later. Consequently, it is necessary that studying on integrated control of HEV and ADAS which can improve the fuel economy. Integration with SCC that executes acceleration and deceleration by using radar sensors mounted on front of the vehicle, helps HEV to predict driving condition. And the driving condition prediction can be used to establish the control strategy of improving the fuel economy. In this paper, therefore, development of Advanced HCU which has integrated control algorithm is executed to improve the fuel economy of HEV. The performance of developed Advanced HCU is verified with various scenarios that contain urban driving mode and high-way driving mode. At the end of this paper, the evaluation of fuel economy improvement is conducted.
2차 충돌 회피 알고리즘 개발을 위한 충돌 시뮬레이션 환경 개발
김두용(Dooyong Kim),조승우(Seungwoo jo),소민우(Minwoo Soh),권재준(Jaejoon Kwon),홍태욱(Taewook Hong),박기홍(Kihong Park) 한국자동차공학회 2013 한국자동차공학회 학술대회 및 전시회 Vol.2013 No.11
Nowadays, the interest of advanced safety vehicle is increasing. As a result also research of active safety system is in progress. And, most of the active safety system was developed for the avoidance or mitigation of first crash. But, according to the recent study, secondary crash is more dangerous than first crash. So recently many vehicle company have developed secondary crash system. For the algorithm development, the simulation of vehicle crash is required. However, many vehicle dynamics analysis programs can"t simulate vehicle crash. And also programs that possible to simulate vehicle crash are not easy to develop the algorithm such as secondary crash algorithm. So, in this paper, the crash simulation environment for developing secondary crash avoidance algorithm was developed and validated.
V2V 기반 근접 Cut-In 상황에 대한 종방향 안전시스템의 성능 개선
김남한(Namhan Kim),이진교(Jinkyo Lee),소민우(Minwoo Soh),권재준(Jaejoon Kwon),홍태욱(Taewook Hong),박기홍(Kihong Park) 한국자동차공학회 2013 한국자동차공학회 학술대회 및 전시회 Vol.2013 No.11
This paper propose improved longitudinal safety system on near cut-in situation by vehicle to vehicle communication. Some longitudinal active safety systems used Radar sensor and Camera sensor such as AEB(Autonomous Emergency Braking) system and ACC(Adaptive Cruise Control) system have blind spot zones because of sensor"s Field of View. When a target vehicle in lane near the subject vehicle try to cut in rapidly in this area, Sensors can"t recognize that and Safety systems don"t work normally. Therefore To prevent this situation, this paper design the longitudinal safety system based on V2V communication. and the performance evaluation was conducted to verify this system through Software-In-the-Loop-Simulation.
2차 충돌 예방을 위한 충돌 후 차량 안정성 확보에 관한 연구
류은혜(Eunhye Ryu),김두용(Dooyong Kim),소민우(Minwoo Soh),권재준(Jaejoon Kwon),홍태욱(Taewook Hong),박기홍(Kihong Park) 한국자동차공학회 2014 한국자동차공학회 부문종합 학술대회 Vol.2014 No.5
Traffic statistics have shown secondary or multiple event causes fatal injuries more than single event. In this paper, the Secondary Collision Mitigation Algorithm is developed for securing of vehicle stability after impacts. For appropriate control the target yaw rate is created to minimize heading angle and lateral deviation through overlay torque of MDPS and differential braking with ESC module. Impact forces are predicted by 3DOF Collision Model to reconstruct traffic accidents, and these are adopted as CarSim external forces. The performance verification of proposed algorithm is conducted SILS with CarSim.