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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Liu, Quan Zhou, Xin Zhu, Fei Fu, Qiming Fu, Yuchen |
| Copyright Year | 2014 |
| Abstract | Policy iteration, which evaluates and improves the control policy iteratively, is a reinforcement learning method. Policy evaluation with the least-squares method can draw more useful information from the empirical data and therefore improve the data validity. However, most existing online least-squares policy iteration methods only use each sample just once, resulting in the low utilization rate. With the goal of improving the utilization efficiency, we propose an experience replay for least-squares policy iteration (ERLSPI) and prove its convergence. ERLSPI method combines online least-squares policy iteration method with experience replay, stores the samples which are generated online, and reuses these samples with least-squares method to update the control policy. We apply the ERLSPI method for the inverted pendulum system, a typical benchmark testing. The experimental results show that the method can effectively take advantage of the previous experience and knowledge, improve the empirical utilization efficiency, and accelerate the convergence speed. |
| Starting Page | 274 |
| Ending Page | 281 |
| Page Count | 8 |
| File Size | 563346 |
| File Format | |
| ISSN | 23299266 |
| Volume Number | 1 |
| Issue Number | 3 |
| Language | English |
| Publisher Date | 2014-01-01 |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Chinese Association of Automation |
| Subject Keyword | Learning (artificial intelligence) Markov processes Computational efficiency Convergence Least squares methods policy iteration reinforcement learning experience replay least-squares |
| Content Type | Text |
| Resource Type | Article |
| Subject | Control and Optimization Artificial Intelligence Control and Systems Engineering Information Systems |
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