Design of Flight Control System Using MIMO <i>H</i>∞ Control Design Method Combined with Exact Model Matching Method

  • KIMURA Takashi
    Mitsubishi Heavy Industries, LTD., Nagoya Aerospace Systems
  • TAKAHAMA Morio
    Mitsubishi Heavy Industries, LTD., Nagoya Aerospace Systems
  • TOKUDA Ei
    Mitsubishi Heavy Industries, LTD., Nagoya Aerospace Systems
  • OHNO Masahiro
    Mitsubishi Heavy Industries, LTD., Nagoya Aerospace Systems

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Other Title
  • Exact Model Matching 法と融合させた多入出力<i>H</i>∞制御系設計法による飛行制御システムの設計
  • Exact Model Matching法と融合させた多入出力H∞制御系設計法による飛行制御システムの設計
  • Exact Model Matchingホウ ト ユウゴウサセタ タ ニュウシ
  • Design of Flight Control System Using MIMO H^|^infin; Control Design Method Combined with Exact Model Matching Method

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Abstract

Authers have already proposed a new design method to design a robust flight control system for single-input single-output system which is low-sensitive and robust stable.<br>This method can simultaneously realize pole-zero assignment by Exact Model Matching method, and disturbance zeroing by solving Output Estimation (OE) problem which is one of H∞ Control problems.<br>In this paper, we expand this method to design a control augmentation system (CAS) for the lateral· directional flight control system (multi-input multi-output system) of a typical small aircraft.<br>Our new design method can simultaneously satisfy the following 4 design requirments:<br>(1) Desired closed loop transfer function between reference and controlled variable, <br>(2) Low sensitivity characteristics, <br>(3) Low complementary sensitivity characteristics, <br>(4) Robust stability.

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