http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
자동변속기 변속제어를 위한 통합 시뮬레이션 프로그램 개발
임시형 空軍士官學校 1999 論文集 Vol.44 No.-
in simulation program for the shift process analysis of automatic transmission, modular approach method could offer flexibility and compatibility in case of model's changing. Also, the introduction of shaft intermediate system between two dynamic modules could satisfy the causality of each module, which is engine, torque converter, transmission, hydraulic line, and drive-train module. for static modules or dynamic modules of engine and torque converter, simulation results using the developed integrated simulation program were compared. furthermore,engine-transmission integrated control was performed and the possibility of appraisement for control performance in simulation was ascertained.
Interferometric Measurement using Bimorph Actuated Staggered Mirror (BASM) Microsensor
임시형,임홍재 대한기계학회 2008 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.22 No.4
For physical and chemical sensing applications, a bimorph actuated staggered mirror (BASM) microsensor was designed and fabricated by surface micromachining using a transparent quartz substrate. While the conventional cantilever sensors have angular deflection, BASM’s moving mirror performs piston-type pure vertical motion in response to environmental stimuli like temperature change and surface stress change due to molecular adsorption. Since the sensor itself has a fixed or reference mirror as well as a moving mirror, 1) an interferometric measurement is possible without an additional reference mirror in off-axis measurement setup, and 2) vibration measurement noise can be reduced. For preliminary test purposes, interferometric measurement using an optical setup was performed for temperature change. At He-Ne line (632.8 nm), a temperature change of ~0.8 K caused a minimum-to-maximum interferometric light intensity change which corresponds to ~144 nm shift of the moving mirror part. An optical diffraction analysis was performed and optimal device parameters were found to maximize the sensor sensitivity.