飛機在飛行時分別由升降舵、副翼、方向舵與油門所操控，其中升降舵、副翼、方向舵為主要控制項，並且皆為油壓系統控制。許多的飛行失事案例，是因為液壓系統發生故障或損毀，導致主控制項失去功能性，無法確實掌控飛機的飛行狀態。故本論文研究方向轉為使用油門，只利用油門也能掌控飛機的飛行狀態。飛機的飛行運動分為兩大類，分別為縱向與橫向運動兩部分，本研究方向主要探討橫向運動變化之情形。本文以康維爾880(Convair 880)為研究的参考對象。首先，取得康維爾880的飛機参數條件，運用計算軟體(MATLAB)架構飛機的動態模組，先分析飛機的穩定情況，將飛機的開迴路系統給一固定輸入的油門值，讓飛機能穩定繞圈飛行，再設計控制器達成控制飛機的橫向運動飛行，完成本論文的主要目的，將分析各種不同條件下飛機的控制情形。

During flight, the airplane is controlled by elevator, aileron, rudder and throttle. Elevator, aileron and rudder are all hydraulic-system controls as the main control items. Many aircraft accidents are caused by failure or damage in hydraulic system, which makes main control items lose function and not able to accurately control the flight mode. Therefore, this paper makes a research on controlling flight mode through just using throttle. Airplane flight can be classified into two types: longitudinal and lateral, and this study mainly investigates changes in lateral motion. Convair 880 is a reference for this study. Firstly, parameter conditions of Convair 880 are obtained, and calculation software (MATLAB) is used to frame dynamic modular of airplane. After analyzing the stable condition of airplane, this study applies a fixed throttle value into the open-loop system to make the airplane stably finish circling flight. Then, controller is designed to control the lateral flight of airplane, and thus achieve main purposes of this paper. Finally, this study analyzes the control over airplane under different conditions.

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