Abstract
Applications of the Moore-Penrose inverse in modeling of overconstrained rigid multibody systems represented by index-1 DAEs are investigated. The problem of joint reaction as well as acceleration solution is examined – the uniqueness of accelerations and non-uniqueness of reactions is addressed. The problem of dependency of results on physical units selection is investigated. It is discussed which parts of the solution are and which are not physically equivalent after the change of units. A simple illustrative example is provided. Brief conclusions are formulated.
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Acknowledgements
This research was supported by the National Science Centre (Poland) grant no. 2018/29/B/ST8/00374.
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Wojtyra, M. (2019). The Moore-Penrose Inverse Approach to Modeling of Multibody Systems with Redundant Constraints. In: Uhl, T. (eds) Advances in Mechanism and Machine Science. IFToMM WC 2019. Mechanisms and Machine Science, vol 73. Springer, Cham. https://doi.org/10.1007/978-3-030-20131-9_304
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DOI: https://doi.org/10.1007/978-3-030-20131-9_304
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