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- 저자 : Yuanjin Ji (검색결과 1 건)
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The influence of wheel/rail gap and rotating mechanism on dynamic performance of APM
Yuanjin Ji,Lihui Ren,Huijie Wang 대한기계학회 2017 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.31 No.11
The dynamics equations of Automatic passenger mover (APM) vehicle with the middle-guiding single-axle tire running gears were derived using linearized tire model, in which side force and rolling contact effect on running tire are taken account. A simulation model of APM vehicle based on Simulink environment was built using object-oriented programming technique, and the effects of contact statues between guiding tires and rail and different rotation modes on of curving performance and ride quality were studied. The simulation has shown that the preload force on guiding tires don’t improve curving performance but significantly worsen lateral ride quality, whereas the gap between guiding tires and rail will increase the running tires side force and guiding tires radial force on curve. The gap between guide tires and rail should be controlled between 0 and 5 mm on compromising the curving performance and ride quality of APM vehicle. The cornering force of the rotating mechanism above the springs mode is greater than that of the below mode, and decreases with the increase of the curve radius, which is unfavorable to the curve passing.
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