Search Results for author: Kenji Kashima

Found 10 papers, 0 papers with code

Tsallis Entropy Regularization for Linearly Solvable MDP and Linear Quadratic Regulator

no code implementations4 Mar 2024 Yota Hashizume, Koshi Oishi, Kenji Kashima

Shannon entropy regularization is widely adopted in optimal control due to its ability to promote exploration and enhance robustness, e. g., maximum entropy reinforcement learning known as Soft Actor-Critic.

reinforcement-learning

Sampled-Data Primal-Dual Gradient Dynamics in Model Predictive Control

no code implementations10 Jan 2024 Ryuta Moriyasu, Sho Kawaguchi, Kenji Kashima

In this paper, we propose a discrete-time dynamical controller, incorporating specific modifications to the PDG approach, and present stability conditions relevant to the resulting sampled-data system.

Model Predictive Control

Learning Exactly Linearizable Deep Dynamics Models

no code implementations30 Nov 2023 Ryuta Moriyasu, Masayuki Kusunoki, Kenji Kashima

Research on control using models based on machine-learning methods has now shifted to the practical engineering stage.

Resilience Evaluation of Entropy Regularized Logistic Networks with Probabilistic Cost

no code implementations5 Dec 2022 Koshi Oishi, Yota Hashizume, Tomohiko Jimbo, Hirotaka Kaji, Kenji Kashima

In this study, we proposed a method for designing a resilient logistics network based on entropy regularization.

Maximum entropy optimal density control of discrete-time linear systems and Schrödinger bridges

no code implementations11 Apr 2022 Kaito Ito, Kenji Kashima

We consider an entropy-regularized version of optimal density control of deterministic discrete-time linear systems.

Kullback-Leibler control for discrete-time nonlinear systems on continuous spaces

no code implementations24 Mar 2022 Kaito Ito, Kenji Kashima

To avoid such approximation, in this paper, we reformulate the KL control problem for continuous spaces so that it does not require unrealistic assumptions.

Learning Stabilizable Deep Dynamics Models

no code implementations18 Mar 2022 Kenji Kashima, Ryota Yoshiuchi, Yu Kawano

When neural networks are used to model dynamics, properties such as stability of the dynamics are generally not guaranteed.

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