Abstract
Straddle-type monorail ,as a unique technology, energy saving and environmental protection, is different from the subway of urban rail transit system. In order to study the curving performance of a new type of the straddle-type monorail vehicle with single-axle bogies ,the three-dimensional spatial dynamics model which consists of the vehicle model and track model designis proposed by the multi-body dynamics soft ADAMS. The monorail vehicle dynamic model which consists of three types of tire -track contact model and the nonlinear model of the horizontal stop is established. Based on the dynamic model, the influences such as pre pressure and curve super-high rate parameters of the curve passing for the dynamic characteristics are discussed. The simulation results show that the suitable preload for the guide and stabilizer tires of straddle-type vehicle with single-axle bogies is 5KN and after selecting the appropriate pre-pressure, the super-high rate is recommended to be 8%-10%.
Highlights
With the rapid development of social economy and the acceleration of urbanization, urban transportation is facing tremendous pressure, especially in large cities
Brazil's Bombardier Monorail 300 and China's BYD are using this new type of single-axle rail vehicle
Monorail 300 vehicles with single-axle bogies has better adapt to road lines
Summary
With the rapid development of social economy and the acceleration of urbanization, urban transportation is facing tremendous pressure, especially in large cities. Monorail 300 vehicles with single-axle bogies has better adapt to road lines. A mathematical model of a straddle type monorail vehicle was developed in order to study its stability and the effect of tyre model techniques on its dynamic response [14]. Numerous on the relation between dynamic model and dynamic parameters have been carried out in research and development phase of conventional straddle-type monorail with two-axle bogies. The spatial coupling dynamics model of straddle-type monorail with the singleaxle bogies is proposed by the multi-body dynamics. 2. Spatial coupling dynamic model of straddle-type monorail vehicle with single-axle bogies
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