Abstract
This paper concerns optimal control problems for a class of sweeping processes governed by discontinuous unbounded differential inclusions that are described via normal cone mappings to controlled moving sets. Largely motivated by applications to hysteresis, we consider a general setting where moving sets are given as inverse images of closed subsets of finite-dimensional spaces under nonlinear differentiable mappings dependent on both state and control variables. Developing the method of discrete approximations and employing generalized differential tools of first-order and second-order variational analysis allow us to derive nondegenerate necessary optimality conditions for such problems in extended Euler–Lagrange and Hamiltonian forms involving the Hamiltonian maximization. The latter conditions of the Pontryagin Maximum Principle type are the first in the literature for optimal control of sweeping processes with control-dependent moving sets.
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Research of the second author was partly supported by the USA National Science Foundation under grants DMS-1512846 and DMS-1808978, and by the USA Air Force Office of Scientific Research under Grant #15RT0462.
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Hoang, N.D., Mordukhovich, B.S. Extended Euler–Lagrange and Hamiltonian Conditions in Optimal Control of Sweeping Processes with Controlled Moving Sets. J Optim Theory Appl 180, 256–289 (2019). https://doi.org/10.1007/s10957-018-1384-4
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DOI: https://doi.org/10.1007/s10957-018-1384-4
Keywords
- Optimal control
- Sweeping process
- Variational analysis
- Discrete approximations
- Generalized differentiation
- Euler–Lagrange and Hamiltonian formalisms
- Maximum principle
- Rate-independent operators