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Multiresolution state-space discretization for Q-Learning with pseudorandomized discretization
| Content Provider | Semantic Scholar |
|---|---|
| Author | Lampton, Amanda Kathryn Valasek, John Kumar, Mrinal |
| Copyright Year | 2011 |
| Abstract | A multiresolution state-space discretization method with pseudorandom gridding is developed for the episodic unsupervised learning method of Q-learning. It is used as the learning agent for closed-loop control of morphing or highly reconfigurable systems. This paper develops a method whereby a state-space is adaptively discretized by progressively finer pseudorandom grids around the regions of interest within the state or learning space in an effort to break the Curse of Dimensionality. Utility of the method is demonstrated with application to the problem of a morphing airfoil, which is simulated by a computationally intensive computational fluid dynamics model. By setting the multiresolution method to define the region of interest by the goal the agent seeks, it is shown that this method with the pseudorandom grid can learn a specific goal within ±0.001 while reducing the total number of state-action pairs needed to achieve this level of specificity to less than 3000. |
| Starting Page | 431 |
| Ending Page | 439 |
| Page Count | 9 |
| File Format | PDF HTM / HTML |
| DOI | 10.1007/s11768-011-1012-4 |
| Volume Number | 9 |
| Alternate Webpage(s) | http://vscl.tamu.edu/papers/Pseudorandom.pdf |
| Alternate Webpage(s) | http://vscl.tamu.edu/valasek/papers/Pseudorandom.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
