Bayesian Optimization for Policy Search in High-Dimensional Systems via Automatic Domain Selection
Bayesian Optimization for Policy Search in High-Dimensional Systems via Automatic Domain Selection
复制标题
通过自动域选择在高维系统中进行策略搜索的贝叶斯优化
DOI:
10.1109/iros40897.2019.8967736
复制
发表时间:
2019
期刊:
影响因子:
--
通讯作者:
M. Zeilinger
中科院分区:
文献类型:
--
作者:
Lukas P. Fröhlich;Edgar D. Klenske;Christian Daniel;M. Zeilinger
Bayesian Optimization (BO) is an effective method for optimizing expensive-to-evaluate black-box functions with a wide range of applications for example in robotics, system design and parameter optimization. However, scaling BO to problems with large input dimensions (>10) remains an open challenge. In this paper, we propose to leverage results from optimal control to scale BO to higher dimensional control tasks and to reduce the need for manually selecting the optimization domain. The contributions of this paper are twofold: 1) We show how we can make use of a learned dynamics model in combination with a model-based controller to simplify the BO problem by focusing onto the most relevant regions of the optimization domain. 2) Based on (1) we present a method to find an embedding in parameter space that reduces the effective dimensionality of the optimization problem. To evaluate the effectiveness of the proposed approach, we present an experimental evaluation on real hardware, as well as simulated tasks including a 48-dimensional policy for a quadcopter.
DOI:
10.1613/jair.4806
发表时间:
2013-01
期刊:
J. Artif. Intell. Res.
影响因子:
--
作者:
Ziyun Wang;M. Zoghi;F. Hutter;David Matheson;Nando de Freitas
通讯作者:
Ziyun Wang;M. Zoghi;F. Hutter;David Matheson;Nando de Freitas
DOI:
10.48550/arxiv.1505.01627
发表时间:
2015
期刊:
arXiv e-prints
影响因子:
--
作者:
Gonz
通讯作者:
Gonz