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자율 주행 차량을 위한 슬립율 기반의 추측항법 알고리즘 개발
권재준,유원근,이훈희,신동령,박경택,박기홍 한국ITS학회 2014 한국ITS학회논문지 Vol.13 No.1
최근 들어, 차량 제어 기술의 집약체라 할 수 있는 자율 주행 차량에 관한 관심이 증대되고 있다. 특히, 자율 주행 차량의 안정적인 주행과 직결되는 자기 위치 인식 기술에 관한 연구가 꾸준히 진행되어져 왔으며, GPS가 갖는 한계점을 보완하기 위한 다양한 추측항법 기술이 소개되어져왔다. 하지만 기존의 추측항법들은 추가적으로 센서를 장착해야하는 단점과 차량 거동의 급격한 변화로 인하여 자기 위치 인식 정확도가 떨어진다는 단점을 가진다. 따라서 본 논문에서는 기존의 추측항법의 단점을 보완하기 위하여 대부분의 차량에 장착되어 있는 휠속 센서(Wheel Speed Sensor)를 활용하고, 휠속 센서에서 계측된 값을 토대로 타이어 슬립율(Slip ratio)을 추정하여 차량의 급격한 거동 변화에 대응하기 위한 새로운 개념의 슬립율 기반의 추측항법 알고리즘을 개발하였다. 기존의 추측항법 알고리즘과의 성능을 비교 평가하기 위해서 차량의 거동이 급격하게 변화하는 상황이 포함된 시뮬레이션 환경을 구성하여 그 결과를 비교하였다. Recently, the interest in autonomous vehicle which is an aggregate of the automotive control technology is increasing. In particular, researches on the self-localization technology that is directly connected with stable driving of autonomous vehicle have been performed. Various dead reckoning technologies which are solutions for resolving the limitation of GPS have been introduced. However, the conventional dead reckoning technologies have two disadvantages to apply on the autonomous vehicle. First one is that the expensive sensors must be equipped additionally. The other one is that the accuracy of self-localization decreases caused by wheel slip when the vehicle's motion changed rapidly. Based on this background, in this paper, the wheel speed sensor which is equipped on most of vehicles was used and the dead reckoning algorithm considering wheel slip ratio was developed for autonomous vehicle. Finally, in order to evaluate the performance of developed algorithm, the various simulation were conducted and the results were compared with the conventional algorithm.
권재준(Jaejoon Kwon),이정목(Jeongmok Lee),이승섭(Seungseop Lee),정승민(Seungmin Jung),최재영(Jaeyoung Choi) 한국자동차공학회 2020 한국자동차공학회 부문종합 학술대회 Vol.2020 No.7
Recently, the automotive industry is facing a transition to the MECA(Mobility, Electrification, Connectivity and Autonomous driving) era. In order to transition to the MECA era, it is essential to shorten the vehicle development cycle, and it is necessary to convert the conventional physical development environment into a virtual development environment. In the virtual development environment, early performance development and sufficient verification are possible in the early stages of design, thereby ensuring efficient quality. In this paper, the design process for MDPS steering feel performance prediction and early performance development using HILS-based virtual development environment is proposed.
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.
백승국(BAIK Seung-Kuk),권재준(KWON Jae-Jun),양치우(YANG Chi-Woo) 한국프랑스문화학회 2009 프랑스문화연구 Vol.18 No.-
L’etude sur l'interaction de jeux que nous venons de faire montre la théorie des jeux et la tendance de jeux en France. La question de l'interaction de jeux est certainement l'un des plus important enjeux des études sur la plannification de contenu des jeux dans le domaine de marche des jeux. L'interaction des jeux est souvent considérée comme un mot vailse d'une technologique associant à des objets de communication une multiplicité de choix. Les jeux de video est le seul média interactif qui a trouvé un auditoire, un contenu et un marché important. Les concepteur de jeu ont développé une forme d'écriture interactive qui est une révolution dans les principes de narration. C'est pour cela que nous avons bien defini le concept de l'interaction, immersion, systeme, ludologie, storytelling en tant que l'outil des jeux. Le contenu de jeux est un signe syncrétique. C'est un objet de simulation qui fait la signification dans un contexte de jeux. Nous avons bien vu comment le concept de l'interaction de jeux était susceptible d'analyser le contenu de jeux en tant qu'outil actuel. Ceci nous a permis de reconnaitre l'immersion et la jouabilité dans un structure de la signification.
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.