A Policy Iteration Algorithm for N-player General-Sum Linear Quadratic Dynamic Games

Fuente: arXiv
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Hauptverfasser: Guan, Yuxiang, Salizzoni, Giulio, Kamgarpour, Maryam, Summers, Tyler H.
Format: Preprint
Veröffentlicht: 2024
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author Guan, Yuxiang
Salizzoni, Giulio
Kamgarpour, Maryam
Summers, Tyler H.
author_facet Guan, Yuxiang
Salizzoni, Giulio
Kamgarpour, Maryam
Summers, Tyler H.
contents We present a policy iteration algorithm for the infinite-horizon N-player general-sum deterministic linear quadratic dynamic games and compare it to policy gradient methods. We demonstrate that the proposed policy iteration algorithm is distinct from the Gauss-Newton policy gradient method in the N-player game setting, in contrast to the single-player setting where under suitable choice of step size they are equivalent. We illustrate in numerical experiments that the convergence rate of the proposed policy iteration algorithm significantly surpasses that of the Gauss-Newton policy gradient method and other policy gradient variations. Furthermore, our numerical results indicate that, compared to policy gradient methods, the convergence performance of the proposed policy iteration algorithm is less sensitive to the initial policy and changes in the number of players.
format Preprint
id arxiv_https___arxiv_org_abs_2410_03106
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle A Policy Iteration Algorithm for N-player General-Sum Linear Quadratic Dynamic Games
Guan, Yuxiang
Salizzoni, Giulio
Kamgarpour, Maryam
Summers, Tyler H.
Optimization and Control
Systems and Control
We present a policy iteration algorithm for the infinite-horizon N-player general-sum deterministic linear quadratic dynamic games and compare it to policy gradient methods. We demonstrate that the proposed policy iteration algorithm is distinct from the Gauss-Newton policy gradient method in the N-player game setting, in contrast to the single-player setting where under suitable choice of step size they are equivalent. We illustrate in numerical experiments that the convergence rate of the proposed policy iteration algorithm significantly surpasses that of the Gauss-Newton policy gradient method and other policy gradient variations. Furthermore, our numerical results indicate that, compared to policy gradient methods, the convergence performance of the proposed policy iteration algorithm is less sensitive to the initial policy and changes in the number of players.
title A Policy Iteration Algorithm for N-player General-Sum Linear Quadratic Dynamic Games
topic Optimization and Control
Systems and Control
url https://arxiv.org/abs/2410.03106