## 抄録

The problem of mixed H_{2}/H_{∞} control with pole placement is considered for linear time-invariant systems. This is the problem of determining a controller for linear time-invariant systems which minimizes the H_{2}-norm of a certain closed-loop transfer function subject to an H_{∞}-norm constraint on another closed-loop transfer function and an additional constraint on the location of the closed-loop poles in the complex plane. An optimization problem is posed for the pole-constrained H_{2}/H_{∞} problem in such a way that the objective function is expressed as a weighted sum of the actual H_{2} cost and its upper bound. A necessary condition for the optimization problem is derived via the Lagrange multiplier technique. The condition involves a set of highly coupled equations. By sacrificing the H_{2} performance, an alternative optimization problem is posed in order to simplify the necessary condition. An iterative algorithm for solving the coupled equations arising in the necessary conditions is proposed and numerical examples are presented.

本文言語 | English |
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ページ（範囲） | 151-173 |

ページ数 | 23 |

ジャーナル | Optimal Control Applications and Methods |

巻 | 15 |

号 | 3 |

出版ステータス | Published - 1994 7月 |

## ASJC Scopus subject areas

- 経営科学およびオペレーションズ リサーチ
- 制御およびシステム工学
- 応用数学
- 制御と最適化

## フィンガープリント

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