Risk-sensitive linear control for systems with stochastic parameters

Y Ito, K Fujimoto, Y Tadokoro… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
A novel risk-sensitive (RS) control law is proposed for linear systems with stochastic system
parameters. RS control laws are efficient means of handling risk in various failures in control …

[HTML][HTML] Weighted stochastic Riccati equations for generalization of linear optimal control

Y Ito, K Fujimoto, Y Tadokoro - Automatica, 2025 - Elsevier
This paper presents weighted stochastic Riccati (WSR) equations for designing multiple
types of controllers for linear stochastic systems. The system matrices are independent and …

Stochastic Optimal Linear Control for Generalized Cost Functions With Time-Invariant Stochastic Parameters

Y Ito, K Fujimoto, Y Tadokoro - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This study presents the design of feedback controllers for generalized cost functions to deal
with stochastic optimal control problems. Target linear systems contain time-invariant …

On stochastic optimal control for linear systems with robust stability

Y Ito, K Fujimoto, Y Tadokoro… - 2016 IEEE 55th …, 2016 - ieeexplore.ieee.org
This paper proposes a novel optimal control law to improve control performance in an
average sense and to guarantee robust stability for discrete-time linear systems with time …

Second Moment Polytopic Systems: Generalization of Uncertain Stochastic Linear Dynamics

Y Ito, K Fujimoto - IEEE Transactions on Automatic Control, 2024 - ieeexplore.ieee.org
This paper presents a new paradigm to stabilize uncertain stochastic linear systems. Herein,
second moment polytopic (SMP) systems are proposed that generalize systems with both …

On optimal control based on parametric gradient approximations for nonlinear systems with stochastic parameters

Y Ito, K Fujimoto, Y Tadokoro - 2019 American Control …, 2019 - ieeexplore.ieee.org
This paper presents a design method for a suboptimal feedback controller to minimize the
expectation of a cost function for uncertain nonlinear systems. The uncertainty is described …

Risk-coherent H2-optimal disturbance rejection under model uncertainty

MI Müller, PE Valenzuela, CR Rojas - IFAC-PapersOnLine, 2017 - Elsevier
A control design procedure for disturbance rejection, when the disturbance model is
uncertain, is proposed. We use the probabilistic information about the process disturbance …

Regret and Risk Optimal Design in Control

M Müller - 2019 - diva-portal.org
Engineering sciences deal with the problem of optimal design in the face of uncertainty. In
particular, control engineering is concerned about designing policies/laws/algorithms that …