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민경찬(Kyongchan Min),최인성(Inseong Choi),김성섭(Sungsub Kim),조성우(Seongwoo Cho),김규현(Kuhyun Kim) 한국자동차공학회 2012 한국자동차공학회 부문종합 학술대회 Vol.2012 No.5
The inertia (overrun) braking system of a trailer comprises the control device, the transmission and the wheel brakes. The Inertia braking systems convert the trailer’s inertia force to braking force in their wheel brake. The Inertia braking systems are widely used for small trailers because of the mechanism is relatively simple. But, safety evaluation method and test procedure are not well defined. In this study, along with analysing international harmonization regulations(UNECE Regulation 13) and the result of the study will be reflected on the KMVSS in future.
민경찬(Kyongchan Min),김정태(Jungtae Kim),이건복(Gunbok Lee),이경수(Kyongsu Yi) 대한기계학회 2004 대한기계학회 춘추학술대회 Vol.2004 No.4
This paper describes the fault detection and failsafe logic to be used in the Electronic Stability Program (ESP). The Aim of this paper is prevention of erroneous control in the ESP. This paper introduces the fault detection logic and evaluation of residual signals. Failsafe logic consist of four redundant sub-models and they can be used for the detection of faults in each sensor (yaw rate, lateral acceleration, steering wheel angle). We presents two mathematical residual generation method ; one is the method by the average value, and the other is the method by the minimum value of the each residual. We verify a failsafe logic using vehicle test results , also we compare vehicle model based simulation results with test vehicle results.
자전거 탑승자 대상 자동비상제동장치의 성능평가 시나리오
김태우,이경수,민경찬,이은덕,Kim, Taewoo,Yi, Kyongsu,Min, Kyongchan,Lee, EunDok 한국자동차안전학회 2017 자동차안전학회지 Vol.9 No.1
This paper present a performance evaluation scenarios to assess the safety performance of autonomous emergency braking (AEB) system for cyclist collision. To guarantee the safety performance of AEB for cyclist, AEB system should be tested in various scenarios which can be occurred in real driving condition. For this, real-traffic car-to-cyclist collision data are analyzed to classify the real traffic collision scenarios. Using this information, typical car-to-cyclist collision scenarios are selected. Also, in order to develop the detail features of these collision scenarios, several accident cases related with these scenarios are explained. Based on these information, test scenarios which can describe the car-to-cyclist collisions occurred in Korea are proposed. For practicality and feasibility of the test scenarios, proposed scenarios should be designed to assess the safety performance of AEB system effectively. For this, some test scenarios are combined or removed based on the consideration about the effectiveness of each scenario to the assessment of the performance of AEB system. To confirm that the proposed test scenarios are realistic and physically meaningful, simulation is conducted using simple AEB system in proposed test scenarios.
고속도로에서의 자율주행 알고리즘 개발 및 평가를 위한 다차량 시뮬레이션 환경 개발
이호준,정용환,민경찬,이명수,신재곤,이경수,Lee, Hojoon,Jeong, Yonghwan,Min, Kyongchan,Lee, Myungsu,Shin, Jae Kon,Yi, Kyongsu 한국자동차안전학회 2016 자동차안전학회지 Vol.8 No.4
Since real road experiments have many restrictions, a multi-vehicle traffic simulator can be an effective tool to develop and evaluate fully automated driving systems. This paper presents multi-vehicle environment simulation tool to develop and evaluate motorway automated driving systems. The proposed simulation tool consists of following two main parts: surrounding vehicle model and environment sensor model. The surrounding vehicle model is designed to quickly generate rational complex traffic situations of motorway. The environment sensor model depicts uncertainty of environment sensor. As a result, various traffic situations with uncertainty of environment sensor can be proposed by the multi-vehicle environment simulation tool. An application to automated driving system has been conducted. A lane changing algorithm is evaluated by performance indexes from the multi-vehicle environment simulation tool.
차량안정성제어시스템(ESC)장착 차량의 조종안정성 평가방법 표준화에 관한 연구
이명수(Myungsu Lee),민경찬(Kyongchan Min),남궁석완(Sukwan Namkung),권해붕(Haeboung Kwon),최선모(Sunmo Choi) 한국자동차공학회 2008 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
As the ESC become more affordable, the research regarding the performance appraisal method of the ESC is actively advanced. The research was spearheaded by the UN/ECE/WP29 and ISO. Specially, the United States established a ESC efficiency requirements with the FMVSS. And the UN/ECE/WP29 is in the process of propelling the Global Technical Regulation establishment of the ESC. Republic of Korea is the member of U.N. and ISO that participates in the wide range of international meetings. This paper describes vehicle-test results for establishment of the Korean Standards, carrying out actual test to verify the determination of dwell time, Max. steering wheel angle input and the proposed measuring method of lateral displacement and to propose the additional evaluation criteria of ESC efficiency.
차량 횡방향 속도 추정기 및 노면 편경사 각도 추정기의 성능 검증
정태영(Taeyoung Chung),민경찬(Kyongchan Min),이경수(Kyongsu Yi) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
The estimation of vehicle lateral velocity is essential to development of integrated vehicle dynamic control system. A conventional vehicle stability control system contains yawrate sensor and lateral acceleration sensor, and both sensors are affected by bank angle directly. By using existing vehicle sensors, we validate various bank angle estimators and vehicle lateral velocity estimators via vehicle test.
장현익,용부중,조성우,최인성,민경찬,김규현,Jang, Hyunik,Yong, Boojoong,Cho, Seongwoo,Choi, Inseong,Min, Kyongchan,Kim, Gyuhyun 한국자동차안전학회 2012 자동차안전학회지 Vol.4 No.1
ADAS(Advanced Driver Assistance System) which is developed for alleviating driver's load has become improved with extending it's role. Previously, ADAS offered simple function just to make driver's convenience. However, nowadays ADAS also acts as Active Safety system which is made to release and/or prevent accidents. Longitudinal control system, as one of major parts of Active Safety System, is assessed as doing direct effect on avoiding accidents. Therefore, many countries such as Europe and America has pushed longitudinal control system as a government-wide project. In this paper, it covers the result of evaluation system and vehicle evaluation for development study in FCW, ACC and AEB.