Search Results for author: Will Sharpless

Found 3 papers, 3 papers with code

State-Augmented Linear Games with Antagonistic Error for High-Dimensional, Nonlinear Hamilton-Jacobi Reachability

1 code implementation25 Mar 2024 Will Sharpless, Yat Tin Chow, Sylvia Herbert

Namely, we show that with a representation of the true dynamics in the SA space, a series of inequalities confirms that the value of a SA linear game with antagonistic error is a conservative envelope of the true value function.

Conservative Linear Envelopes for Nonlinear, High-Dimensional, Hamilton-Jacobi Reachability

1 code implementation21 Mar 2024 Will Sharpless, Yat Tin Chow, Sylvia Herbert

One may then solve the dimension-robust generalized Hopf formula for a linear game with this ``antagonistic error" to perform guaranteed conservative reachability analysis and control synthesis of nonlinear systems; this can be done for problem formulations in which no other HJR method is both computationally feasible and guaranteed.

Koopman-Hopf Hamilton-Jacobi Reachability and Control

2 code implementations21 Mar 2023 Will Sharpless, Nikhil Shinde, Matthew Kim, Yat Tin Chow, Sylvia Herbert

We find that it significantly out-competes expectation-minimizing and game-theoretic model predictive controllers with the same Koopman linearization in the presence of bounded stochastic disturbance.

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