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윤득선(Duk Sun Yun),채동욱(Dong Wook Chae),강호준(Ho Joon Kang),송세일(Se Il Song) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
The active geometry control suspension, which is designed by HyundaiㆍKia Motor Company, is unique system. This system has installed at Sonata 2.4 model and it evaluated on vehicle performance before. This paper deals the reliability evaluation for the suspension system, therefore, it should contains wide range of test categories. However, authors focus on the proving ground test with single lane change, double lane change, and slalom passing histories. In addition, the results on the proving ground compare with the results of without active geometry control suspension system for the control logic reliability.
무인 운항 시스템의 주행안전을 위한 충돌회피 시스템과 알고리즘 개발
윤득선(Duk Sun Yun),임하영(Ha Young Lim),유환신(Hwan Sin Yu),김정하(Jung Ha Kim) 한국항공우주학회 2005 韓國航空宇宙學會誌 Vol.33 No.10
본 논문에서는 보다 빠른 속도의 무인주행과 이를 가능케하는 안전한 항법구현에 주력하여 시스템을 개발하고 알고리즘을 적용한 결과를 보이고 있다. 또한 본 논문에서는 9개의 초음파 센서를 사용하여 가상역장 알고리즘을 적용한 험로주행용 차량의 무인주행에 적용한 시스템의 구성과 적용방법을 기술하고 실차실험을 통한 시스템의 성능과 향후 연구방향을 제시하였다. In this paper, unmanned vehicle system and VFF algorithm development with vehicle dynamics is the main topic as a part of Intelligent Transportation System. Unmanned vehicle system is classified by vehicle system and control system. Authors used RC servo motor for longitudinal control via throttle angle, shift lever control, and brake control. For lateral control, authors used step motor, equipped with reduction gear. Unmanned vehicle has nine ultrasonic sensors in front of the unmanned vehicle. After the microcontroller computes the distance between unmanned vehicle and obstacle, the control computer calculates the steering angle enough to avoid the obstacle.
윤득선 ( Duk-sun Yun ),유환신 ( Han-sin Yu ) 한국고등직업교육학회 2001 한국고등직업교육학회논문집 Vol.2 No.1
The unmanned vehicle should take notice of its location and recognize circumstance around the place itself to enable tele operation system of unmaned vehicle. During the operation, it has a serious control strategy. Vehicle can detect obstacles and avoid collision on the road. For these performances, we designed sensor fusion system, which comprised four main unmaned vehicle parts : front & side sensor system, acceleration & brake control system for longitudinal motion control, vision system for keeping the lane and steering control system for the lateral motion control. In this study, mechanical and electronic parts are implemented to operate unmaned vehicle as a integrated system, which includes vehicle driving DC motor, brake DC motor, step motor for steeling control and all of them are controlled by one processor A laser range finder is used to detect long distance obstacle of front side. And ultra-sensors are used for detecting close distance obstacle of lateral side. Algorithm for operating each control parts is developed and AICC logic is applied and enhanced experimentally. In this paper, we propose that the basic system integration and system evaluation for the unmanned vehicle.
마그네틱 센서를 이용한 엔진 고속회전 검출 최적화용 센서모듈개발
윤득선 ( Duk Sun Yun ),한춘수 ( Chun Su Han ),안서연 ( Seo Yeon Ahn ),박정권 ( Jung Kwon Park ) 한국액체미립화학회 2014 한국액체미립화학회 학술강연회 논문집 Vol.2014 No.-
This paper deals with engine speed sensor for the high speed zone over 5000 r.p.m.. Engine speed detecting with Hall sensor is difficult to determine the best ignition timing, because the hall sensor saturated. Hall sensor has a defect of Eddy current, causing saturation. The magnetic sensor with digitalized signal has a frequency modulated function without saturation. The saturation causes error of misfire and incomplete combustion.
김민석(Min-seok Kim),윤득선(Duk-sun Yun),심재홍(Jae-heung Sim),박영훈(Young-hoon Park),김정하(Jung-ha Kim) 한국자동차공학회 2001 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2001 No.5_2
The unmaned vehicle is composed of three parts: the front & side sensor system for keeping the lane and avoiding obstacles, the acceleration & brake control system for longitudinal motion control, and the steering control system for the lateral motion control. Each system helps the unmanned vehicle which should take notice of its location and recognize obstacles around the place by itself and make a decision how much fast to proceed according to circumstances. During the operation. The control strategy that the vehicle can detect obstacles and avoid collision on the road involves with vehicle vclocity very much. therefore, We have to define a traction system which is powered by DC-motor so that, unmanned vehicle can control its velocity accurately.<br/> In this study, we find mechanical and electronic parts are implemented to operate unmaned vehicle as a integrated system, which includes vehicle driving DC motor, another DC motor for brake actuator system, step motor for steering control and all of them are controlled by one processor. A laser range tinder is used to detect for long distance of front side. And ultra-sensors are used for detecting close-distance of lateral side.<br/>
비전을 이용한 차량 및 차선 변경 실시간 인지 시스템에 관한 연구
정상진(Jung Sang Jin),Nguyen Van Quang,윤득선(Yun Duk Sun),서창준(Seo Chang Jun),부광석(Boo Gwang Suck) 대한기계학회 2017 대한기계학회 춘추학술대회 Vol.2017 No.11
Introduce an approach to detect information about lane and vehicle for driver assistance, or lane change assistant system. Most previous research works could only detect the lanes or vehicle separately. However, the combination of lane information and vehicle information is able to support the lane keeping system, or lane change system, and to improve the reliability of results. For lane change assistant system (LCAS), it must detect frontal lanes and discover other vehicles around the host vehicle. Therefore, in this study, we use a vision system including three cameras, two of them are installed under the right and left wing mirrors, the left one is equipped on the windscreen of the host vehicle. Images from the camera are used to detect three lanes, and detect multiple vehicles.
[ITS 부문] 원격 주행을 위한 무인 자동차의 센서 FUSION 설계와 성능 분석에 관한 연구
김민석(Min-seok Kim),심재홍(Jae-heung Sim),박영훈(Young-hoon Park),윤득선(Duk-sun Yun),김정하(Jung-ha Kim) 한국자동차공학회 2000 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
The unmanned vehicle should take notice of its location and recognize circumstance around the place itself for enabling tele operation of unmaned vehicle. During the operation, it is a serious control strategy that the vehicle can detect obstacles and avoid collision on the road. For these abilities, we designed sensor fusion system, which is comprised by four main unmaned vehicle parts: front & side sensor system and acceleration & brake control system for longitudinal motion control, vision system for keeping the lane and steering control system for the lateral motion control.<br/> In this study, mechanical and electronic parts are implemented to operate unmaned vehicle as a integrated system, which includes vehicle driving DC motor, another DC motor for brake actuator system, step motor for steering control and all of them are controlled by one processor.<br/> A laser range finder is used to detect for long distance of front side. And ultra-sensors are<br/> used for detecting close-distance of lateral side.<br/> Algorithm for operating each control parts is developed and AICC logic is applied and enhanced experimentally.