data-driven control 2approximation error 1koopman operator 1model mismatch 1nonlinear optimal control 1nonlinear systems 1optimality analysis 1optimality deviation 1robust stability 1
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math.OC2026
Characterizing Robustness in Nonlinear Optimal Control: From Stability to Optimality
Yicheng Lin, Zhisheng Duan, Tianzhi Li +3
The paper studies how errors between learned models and real nonlinear systems affect the stability and performance of data‑driven optimal controllers, providing Lyapunov‑based rob…
math.OC2026
Optimality Deviation using the Koopman Operator
Yicheng Lin, Bingxian Wu, Nan Bai +2
The paper derives explicit upper bounds on how approximation errors in data‑driven Koopman operator models affect the optimal controller and value function for nonlinear systems.