Author

H. Hjalmarsson

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Preprint Oct 2026

Dynamic Programming for A Linear-Gaussian Dual Control Problem

We consider an infinite-horizon discounted dynamic programming (DP) problem for a countable-innovation belief-state model. The model is a surrogate for a linear-Gaussian dual control problem involving an unknown parameter vector and Gaussian observation noise. The surrogate preserves the first two moments of the Gaussi...

Ying Wang, Yu-Chao Li, H. Hjalmarsson · 0 citations

Preprint Sep 2026

Bayes Estimators with Performance Comparable to Empirical Bayes Estimators and Improved Local Robustness

The EB estimator is shown to be at most firstorder sensitive to hyper-parameter perturbations, whereas the constructed Bayes estimator is at most second-order sensitive, making it locally more robust.

Yue Ju, Ying Wang, Jia-Bao He et al. · 0 citations

Preprint Aug 2026

Fundamental Limitations of Data-Driven Control: A Statistical Decision Perspective

This contribution develops a statistical decision framework for data-driven control, in which a controller is evaluated by its risk, defined as the expected performance degradation relative to the oracle model-based controller, and by its average risk over the parameter space.

Jia-Bao He, Fei-Ran Zhao, Yu-Shan Li et al. · 0 citations