Abstract
In this paper we study discrete second-order vakonomic mechanics, that is, constrained variational problems for second-order lagrangian systems. One of the main applications of the presented theory will be optimal control of underactuated mechanical control systems. We derive geometric integrators which are symplectic and preserve the momentum map. Additional, we show the applicability of the proposed theory in an example, the planar rigid body.
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This work has been supported by MICINN (Spain) Grant MTM2010-21186-C02-01, MTM2009-08166-E, project “Ingenio Mathematica” (i-MATH) No. CSD 2006-00032 (Consolider-Ingenio 2010) and IRSES-project “Geomech-246981”. L. Colombo also wants to thank CSIC and JAE program for a JAE-Pre grant.
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Colombo, L., de Diego, D.M. & Zuccalli, M. On variational integrators for optimal control of mechanical control systems. RACSAM 106, 161–171 (2012). https://doi.org/10.1007/s13398-011-0032-8
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DOI: https://doi.org/10.1007/s13398-011-0032-8
Keywords
- Underactuated mechanical system
- Constrained variational calculus
- Optimal control
- Vakonomic mechanics
- Higher-order mechanics
- Discrete mechanics
- Variational integrators