| Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2015: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
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| Outline of Final Research Achievements |
We discuss two subjects: (i) H_infty control in control theory, and (ii) variable selection in statistics. For (i), we revealed that stable invariant zeros or invariant zeros on the imaginary axis of a given generalized plant causes the ill-conditionedness in the linear matrix inequality (abbr. LMI) of H_infty control. Moreover, we propose a reduction of LMI based on stable invariant zeros and apply it to LMI of H_infty control with SISO generalized plant. For (ii), we provide an MINLP formulation for variable selection based on optimization, and
propose a branch-and-bound algorithm for this formulation. Then we exploit linear dependence in a data matrix to improve the performance of our MINLP formulation.
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