Abstract
A feasible possibility to develop planar reconfigurable mechanisms is introduced in this work. Applying the tensegrity principle to common four-bar linkages allows a controllable change between two configurations of the mechanism. These two states correspond to different working spaces which vary regarding to the kinematic and mechanical properties. Therefore, the reconfiguration of the mechanism enables two different operation modes. Hence, this kind of mechanism enables the advantageous properties of conventional linkages with an additional enhanced adaptability of the kinematic and mechanic behavior. Beside the conceptual design of such tensegrity-based mechanisms, a reconfigurable four-bar parallel linkage is considered exemplarily. Numerical simulations are evaluated focusing on the kinematic behavior and the structural mechanics of this mechanism. Especially the reconfiguration of the mechanism by changing between two different working spaces is considered. The simulation results clarify the benefit of utilizing the tensegrity principle in mechanism theory. Adding only a few members to the original linkage enables a reconfigurable mechanism with comparable complexity.
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This work is supported by Deutsche Forschungsgemeinschaft (DFG) within the SPP 2100 - projects ZE714/14-1, BO4114/3-1.
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Schorr, P., Chavez, J., Zentner, L., Böhm, V. (2021). Reconfigurable Planar Quadrilateral Linkages Based on the Tensegrity Principle. In: Zentner, L., Strehle, S. (eds) Microactuators, Microsensors and Micromechanisms. MAMM 2020. Mechanisms and Machine Science, vol 96. Springer, Cham. https://doi.org/10.1007/978-3-030-61652-6_5
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DOI: https://doi.org/10.1007/978-3-030-61652-6_5
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