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영상 센서와 가상 차선을 이용한 자동 차선 변경 알고리즘에 대한 연구
신경식(Kyungsik Shin),최재호(Jaeho Choi),허건수(Kunsoo Huh) 한국자동차공학회 2019 한국 자동차공학회논문집 Vol.27 No.12
Advanced driver assistance systems(ADAS) (e.g., adaptive cruise control(ACC), lane keeping assist system(LKAS), etc.) have been developed for safety and convenience, and actively utilized for the development of an autonomous driving system. In particular, automated lane change is a key technology of the lateral control area in an autonomous driving system. In this study, automated lane change algorithm using a vision sensor and a pseudo-lane is suggested in order to generate a path for lane change. The path planning for lane change is proceeded in two phases. In phase 1, a path is generated with line information at each time step. When the host vehicle enters the transition area between the two lanes, the line information sometimes has a low reliability. Therefore, the pseudo-lane path based on vehicle motion is generated in order to solve the problem in phase 2. The proposed algorithm is first validated in simulations and the experimental verification is carried out.
PCB형 코일을 이용한 비대칭 광픽업 액추에이터의 성능분석
신경식(Shin, KyungSik),홍구(Hong, Goo),김진기(Kim, JeenGi),전영진(Jun, YoungJin),이두환(Lee, DooHwan),배원철(Bae, WonCheol),이재걸(Lee, JaeKul),임장영(Im, JangYoeng) 한국소음진동공학회 2004 한국소음진동공학회 논문집 Vol.14 No.9
'Coil' occupies very much important position in delivering driving force of optical pick-up actuators. Up to now the main stream has been a winding coil type actuator, but actuators using FP-Coil(fine pattern coil) have been considered for the more compacted and simple manufacturing process and have variously spreaded the application fields by product. We have tried to design actuators using PCB-Coil(printed circuit board coil) which has benefits in terms of price and manufacturing process. Especially this research has two main things to reduce the vibration of sub-resonance and to assure the DC sensitivity among the performances of asymmetric optical pick-up actuator with PCB-Coil.