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首頁> 外文學(xué)位 >Twisting algorithm for controlling F-16 aircraft with performance margins identification.
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Twisting algorithm for controlling F-16 aircraft with performance margins identification.

機譯:通過性能余量識別控制F-16飛機的扭曲算法。

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摘要

A Twisting algorithm based second order sliding mode controller is designed for tracking of command angles for nonlinear flight dynamics of an F-16 aircraft, before and after the battle damages. The high frequency switching controller is designed in terms of control derivative so that the actual control function is continuous. The practical robustness performance margins are identified in terms of maximal additional gain (Practical Gain Margin) and phase lag (Practical Phase Margin) added to the frequency characteristic of the linear part of the open loop system that yield acceptable loss of command angle tracking performance in terms of admissible parameters of self sustained oscillations. The effects of parasitic dynamics, in terms of linear first order actuator dynamics, on the controller's performance are analyzed. The performance margins in terms of parameters of parasitic dynamics are obtained. The proposed approach is verified via simulations.
機譯:設(shè)計了一種基于扭曲算法的二階滑??刂破?,用于跟蹤F-16飛機在戰(zhàn)損之前和之后的非線性飛行動力學(xué)的指令角。高頻開關(guān)控制器是根據(jù)控制導(dǎo)數(shù)設(shè)計的,因此實際控制功能是連續(xù)的。實際的魯棒性性能裕度是通過在開環(huán)系統(tǒng)線性部分的頻率特性中增加最大可接受增益(實用增益裕度)和相位滯后(實用相位裕度)來確定的,從而產(chǎn)生可接受的指令角跟蹤性能損失。自持續(xù)振蕩的容許參數(shù)。根據(jù)線性一階執(zhí)行器動力學(xué),分析了寄生動力學(xué)對控制器性能的影響。獲得了寄生動力學(xué)參數(shù)方面的性能裕度。通過仿真驗證了所提出的方法。

著錄項

  • 作者

    Kulkarni, Akshay.;

  • 作者單位

    The University of Alabama in Huntsville.;

  • 授予單位 The University of Alabama in Huntsville.;
  • 學(xué)科 Electrical engineering.
  • 學(xué)位 M.S.E.
  • 年度 2014
  • 頁碼 111 p.
  • 總頁數(shù) 111
  • 原文格式 PDF
  • 正文語種 eng
  • 中圖分類 TS97-4;
  • 關(guān)鍵詞

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