Optimal Control with Partially Observed Regime Switching: Discounted and Average Payoffs

Beatris Adriana Escobedo-Trujillo, Javier Garrido-Meléndez, Gerardo Alcalá and J. D. Revuelta-Acosta
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Beatris Adriana Escobedo-Trujillo: Facultad de Ingeniería Campus Coatzacoalcos, Universidad Veracruzana, Coatzacoalcos 96535, Veracruz, Mexico
Javier Garrido-Meléndez: Facultad de Ingeniería Campus Coatzacoalcos, Universidad Veracruzana, Coatzacoalcos 96535, Veracruz, Mexico
Gerardo Alcalá: Centro de Investigación en Recursos Energéticos y Sustentables, Universidad Veracruzana, Coatzacoalcos 96535, Veracruz, Mexico
J. D. Revuelta-Acosta: Facultad de Ingeniería Campus Coatzacoalcos, Universidad Veracruzana, Coatzacoalcos 96535, Veracruz, Mexico

Mathematics, 2022, vol. 10, issue 12, 1-28

Abstract: We consider an optimal control problem with the discounted and average payoff. The reward rate (or cost rate) can be unbounded from above and below, and a Markovian switching stochastic differential equation gives the state variable dynamic. Markovian switching is represented by a hidden continuous-time Markov chain that can only be observed in Gaussian white noise. Our general aim is to give conditions for the existence of optimal Markov stationary controls. This fact generalizes the conditions that ensure the existence of optimal control policies for optimal control problems completely observed. We use standard dynamic programming techniques and the method of hidden Markov model filtering to achieve our goals. As applications of our results, we study the discounted linear quadratic regulator (LQR) problem, the ergodic LQR problem for the modeled quarter-car suspension, the average LQR problem for the modeled quarter-car suspension with damp, and an explicit application for an optimal pollution control.

Keywords: ergodicity; filtering theory; hidden Markov models; partial observation; Wonham filter (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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