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arXiv 1207.4166cs.AI
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POMDPs的启发式搜索值迭代

Heuristic Search Value Iteration for POMDPs

Robotics Institute, Carnegie Mellon University(卡内基梅隆大学机器人研究所)

Trey Smith, Reid Simmons

摘要:

提出了一种新的POMDP规划算法--启发式搜索值迭代算法(HSVI),HSVI是一种随时返回策略和关于最优策略的可证明的后悔上界的算法. HSVI通过结合两种众所周知的技术获得了强大的功能:注意力聚焦搜索算法和价值函数的分段线性凸表示。HSVI算法的可靠性和收敛性已经得到了验证。从文献中的一些基准问题,HSVI显示加速比大于100相对于其他国家的最先进的POMDP值迭代算法。我们还将HSVI应用到一个新的漫游者探索问题,比文献中大多数POMDP问题大10倍。

英文摘要:

We present a novel POMDP planning algorithm called heuristic search value iteration (HSVI).HSVI is an anytime algorithm that returns a policy and a provable bound on its regret with respect to the optimal policy. HSVI gets its power by combining two well-known techniques: attention-focusing search heuristics and piecewise linear convex representations of the value function. HSVI's soundness and convergence have been proven. On some benchmark problems from the literature, HSVI displays speedups of greater than 100 with respect to other state-of-the-art POMDP value iteration algorithms. We also apply HSVI to a new rover exploration problem 10 times larger than most POMDP problems in the literature.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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