操縦系統機能試験におけるリミットサイクル

Material type: 文書・図像類

Author: 大和, 裕幸ほか

Publisher: 航空宇宙技術研究所

Publication date: 1985-12

Material Format: Digital

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Note (General)：: The Quiet STOL research aircraft under development at NAL is equipped with the Stability and Control Augmentation System (abbreviated SCAS). When the ...

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Material Type: 文書・図像類
Title: 操縦系統機能試験におけるリミットサイクル
Author/Editor: 大和, 裕幸
内田, 忠夫
岡田, 典秋
小川, 敏雄
多田, 章
YAMATO, Hiroyuki
UCHIDA, Tadao
OKADA, Noriaki
OGAWA, Toshio
TADA, Akira
Author Heading: 大和, 裕幸
内田, 忠夫
岡田, 典秋
小川, 敏雄
多田, 章
YAMATO, Hiroyuki
UCHIDA, Tadao
OKADA, Noriaki
OGAWA, Toshio
TADA, Akira
Publication, Distribution, etc.: 航空宇宙技術研究所
Publication Date: 1985-12
Publication Date (W3CDTF): 1985-12
Alternative Title: An Analysis of the Limit Cycle Observed in the Functional Mockup Test of the NAL QSTOL Research Aircraft
Periodical title: 航空宇宙技術研究所報告 = Technical Report of National Aerospace Laboratory TR-893
No. or year of volume/issue: 893
Volume: 893
Pages: 21-
ISSN (Periodical Title): ISSN : 0389-4010
Text Language Code: jpn
Target Audience: 一般
Note (General): The Quiet STOL research aircraft under development at NAL is equipped with the Stability and Control Augmentation System (abbreviated SCAS). When the SCAS Pitch CWS mode is engaged in flight simulation tests using the control system functional mockup, a small limit cycle is observed. In this paper, the method of describing functions is used to analyze this problem, because nonlinearities in the mechanical linkages and the power actuator play an important role in sustaining the limit cycle. To construct a mathematical model of the control system, nonlinear elements are employed so that the model responses may accord with functional mockup test results including the frequency response. Through both the test and the analysis, it is shown that the present method is an effective tool for analyzing the limit cycle. And it is also clarified that the limit cycle observed is not so annoying to the pilot and is within the limits of the MIL specifications for sustained oscillation.
資料番号: NALTR0893000
レポート番号: NAL TR-893
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 宇宙航空研究開発機構 : 宇宙航空研究開発機構リポジトリ