| Budget Amount *help |
¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2012: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
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| Outline of Final Research Achievements |
Methods have been developed for multistage decision problems with changes.
A multistage decision problem finds a sequence of appropriate alternatives such that their overall evaluation is optimized. The typical evaluation is finding a shortest path in a network of streets. The changes considered are those in the set of alternatives which corresponds to street closures in street networks.
The following have been developed: a method for subjective evaluation of risks based on the probability of and the damages caused by changes, a reinforcement learning algorithm that solves the problem considering the subjective risks, and learning classifier systems that acquire multiple solutions and switch one from another in response to the changes. Also, operation planning schema have been developed for power systems with photovoltaic generation units whose outputs changes non-deterministically.
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