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서문석(Mun-suk Suh),박동창(Dong-Chang Park),최진환(JinWhan Choi),이승종(Seungjong Yi),허건수(Kunsoo Huh),윤덕진(Dukjean yun),신장호(Janghoo Shin) 한국자동차공학회 2001 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2001 No.5_2
The mobility of tracked vehicles is mainly influenced by the interaction between tracks and soil, so that the characteristics of their interactions are quite important for the tracked vehicle study. In particular, the track tension is closely related to the maneuverability of tracked vehicles and the durability of tracks and suspension systems. In order to minimize the excessive load on the tracks and to prevent the peaI-off of tracks from the road-wheels, the Dynamic Track Tensioning System (DTTS) which maintains the optimum track tension throughout the maneuver is required. Because it is very difficult to measure the track tension in real-time, the track tension needs to be estimated for realizing the DTTS system. In this paper, track tension estimation methods are validated experimentally with real tracked vehicles. The tracked vehicles are instrumented with severaI sensors including gyro, accelerometer, LVDT, etc. The DSP processor board is programmed with the estimation algorithm and calculates the tension in real-time based on the measured output. The estimated tension is compared with the real tension that is measured by specially prepared DTIS sensors.<br/> <br/>