Abstract
We study dynamics of a belt drive with a nonlinear model of an extensible string at contour motion, in which the trajectories of particles of the belt are pre-determined. Writing the equations of string dynamics in a spatial frame and assuming the absence of slip of the belt on the surface of the pulleys we arrive at a new model with a discontinuous velocity field and concentrated contact forces. It is demonstrated how the model may be applied for analytical study of stationary regimes, and differences in the behavior of synchronous and friction belt drives are pointed out. We also present a novel approach for modeling transient behavior of the system, e.g. for the analysis of start up of the belt drive or its frequency response. Both numerical and analytical solutions of the resulting problem are possible.
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Acknowledgements
Support of Yu. Vetyukov from the K2 Austrian Center of Competence in Mechatronics (ACCM) is gratefully acknowledged.
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Vetyukov, Y., Eliseev, V. (2014). The Model of a Deformable String with Discontinuities at Spatial Description in the Dynamics of a Belt Drive. In: Belyaev, A., Irschik, H., Krommer, M. (eds) Mechanics and Model-Based Control of Advanced Engineering Systems. Springer, Vienna. https://doi.org/10.1007/978-3-7091-1571-8_30
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DOI: https://doi.org/10.1007/978-3-7091-1571-8_30
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