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김남성(Namseong Kim),박광호(Kwangho Park),기창두(Changdoo Kee) 대한기계학회 2001 대한기계학회 춘추학술대회 Vol.2001 No.9
This paper is presented 2-layer algorithm for tracking human faces in real time. The framework provides the structure which offers a means for automatic tracking initialization and reinitialization when environmental conditions momentarily deteriorate and cause the system to lose track of its target. When upper layer fails to track its object, lower layer helps it for tracking one continuously. In other words, lower layer allows the system to return approximate information on feature location or configuration.
조동수(Dongsoo Cho),신윤덕(Yunde Shen),기창두(Changdoo Kee) 한국자동차공학회 2005 한국자동차공학회 지부 학술대회 논문집 Vol.- No.-
A miniature humanoid robot was designed using a 3D CAD design software (CATIA V5), moreover its movement interference, gait stability and gait plan were analysed using a CATIA/DMU the Kinematics tool and a polysome dynamics specialized simulation software (ADAMS). The results show that the method can efficiently guide the design and development of humanoid robot.
적응형 PPF 제어기를 이용한 열린 박스 구조물의 능동진동제어
정환수(HwanSoo Chung),신윤덕(YunDe Shen),기창두(ChangDoo Kee) 한국자동차공학회 2004 한국자동차공학회 지부 학술대회 논문집 Vol.- No.-
The vibration of a structure quite often produces noise and sometimes makes the structure unstable. Especially, the vibration of lower frequency makes more serious effects to the structure. Therefore, it is necessary to reduce the vibration of a flexible structure. To do this end, I used the piezoelectric ceramics as the actuator, and the piezoelectric films as the sensor. By constituting the Adaptive Digital PPF controller which is one of the algorithms of adaptive control, the vibration of the first and second frequency of a open box and a Plate were reduced comparatively. PPF controller is used with being digitalized by DSP and implemented on the PC. The reliability of the proposed controller which can learn in the real time process is confirmed by experiment of applying to the structure.<br/> <br/>
[I.T.S.부문] 신경망 기법을 이용한 도로 영상의 사용 적합성 판별
백주현(Juhyun Baek),이준웅(Joonwoong Lee),기창두(Changdoo Kee) 한국자동차공학회 2001 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2001 No.11_1
This paper presents an MLP(Multi Layered Perception)-based image understanding algorithm to determine whether or not the image is corrupted by factors of noise in terms of the detection of lane marks. Such images in which lane marks are invisible even by human eye do not guarantee to provide a reliable lane-related information. For the MLP, the noisiness of image is set to three categories like "clear", "vague" and "non-clear", and the input vector to the MLP is obtained from an EDF(Edge Distribution Function). After training by back propagation rule, the MLP classifies an input image into one of three classes. The proposed algorithm is implemented to prove the performance with real images of road scene.
[진동 소음부문] 탄매의 점진적인 배출을 위한 소음기의 구조 개선에 관한 연구
송용희(Yonghee Song),이유엽(Youyub Lee),황원걸(Wongul Hwang),기창두(Changdoo Kee),최병철(Byoungchul CHoi),양기영(Giyoung Yang) 한국자동차공학회 2001 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2001 No.11_2
The muffler must be redesigned to get a maximum noise reduction and a minimum flow loss. The object of this paper is to redesign an exhaust muffler to prevent the gradual discharge of particulate while keeping the performance of present exhaust system for heavy truck. We found the problems of present model from experiment and analysis about noise and flow, and we redesigned the muffler to reduce the particulate's accumulation while keeping the level of noise. We noticed the improvement of TL. performance and back pressure from experiment and analysis. We think that the redesigned model well decrease the inner noise in a car and reduce the gradual discharge of particulate.
MATLAB/SIMULINK를 이용한 핀치 롤 유압실린더의 위치제어에 관한 연구
허준호(Junho Heo),김시습(Siseup Kim),김경수(Kyungsu Kim),기창두(Changdoo Kee) 한국자동차공학회 2009 한국자동차공학회 지부 학술대회 논문집 Vol.2009 No.10
The purpose of this paper is to design a PID controller for effective position control of hydraulic cylinder using MATLAB/SIMULINK. The hydraulic system consist of a hydraulic pressure source, a hydraulic servo valve, a double-acting hydraulic cylinder, a force sensor, a translational motion sensor, a load system, control logic. The simulation models were verified by comparing the error between input data and output data.