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ALFLEX is aimed at demonstrating unmanned automatic landing technology and evaluating low speed flight characteristics of a vehicle with the HOPE configuration. In these experiments, the experimental vehicle, a 37 percent subscale model of HOPE, is transported by a helicopter with hanging equipment to a predetermined release point at a height of 1,500 m, and then released at a velocity of 45 m/s (90 knots) to land automatically. Before releasing, the vehicle is supported at its center of gravity with gimbals to fly with five degree of dreedom. This configuration, named constrained flight, enables the vehicle to be released without sudden transient motion. Furthermore, before the experiments, several constrained flight tests will be conducted to verify the control system\u0027s performance, and the aerodynamic characteristics preestimated by wind tunnel tests. This report describes a mathematical model of the ALFLEX constrained flight system and analysis of its dynamic characteristics. 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小型自動着陸実験:懸吊飛行時の数学モデルによる運動特性解析
https://jaxa.repo.nii.ac.jp/records/39818
https://jaxa.repo.nii.ac.jp/records/398181d1be457-c4f4-4842-89f3-431ba31b1400
名前 / ファイル | ライセンス | アクション |
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naltr01304.pdf (1.9 MB)
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Item type | テクニカルレポート / Technical Report(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | 小型自動着陸実験:懸吊飛行時の数学モデルによる運動特性解析 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | HOPE | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | H-2ロケット打上げ型有翼回収機 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ALFLEX | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 小型自動着陸実験 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 懸吊飛行 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ジンバルリリース方式 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 非線形シミュレーション | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 懸吊装置 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | HOPE | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | H 2 orbiting plane | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | ALFLEX | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | automatic landing flight experiment | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | constrained flight | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | gimbal release method | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | nonlinear simulation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | suspending system | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18gh | |||||
資源タイプ | technical report | |||||
その他のタイトル(英) | ||||||
その他のタイトル | Simulation analysis of ALFLEX constrained flight | |||||
著者 |
塚本, 太郎
× 塚本, 太郎× 柳原, 正明× 佐々, 修一× 元田, 敏和× 匂坂, 雅一× Tsukamoto, Taro× Yanagihara, Masaaki× Sasa, Shuichi× Motoda, Toshikazu× Sagisaka, Masakazu |
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著者所属 | ||||||
航空宇宙技術研究所 制御部 | ||||||
著者所属 | ||||||
航空宇宙技術研究所 制御部 | ||||||
著者所属 | ||||||
航空宇宙技術研究所 制御部 | ||||||
著者所属 | ||||||
航空宇宙技術研究所 制御部 | ||||||
著者所属 | ||||||
宇宙開発事業団 | ||||||
著者所属(英) | ||||||
en | ||||||
National Aerospace Laboratory Control Systems Division | ||||||
著者所属(英) | ||||||
en | ||||||
National Aerospace Laboratory Control Systems Division | ||||||
著者所属(英) | ||||||
en | ||||||
National Aerospace Laboratory Control Systems Division | ||||||
著者所属(英) | ||||||
en | ||||||
National Aerospace Laboratory Control Systems Division | ||||||
著者所属(英) | ||||||
en | ||||||
National Space Development Agency of Japan | ||||||
出版者 | ||||||
出版者 | 航空宇宙技術研究所 | |||||
出版者(英) | ||||||
出版者 | National Aerospace Laboratory (NAL) | |||||
書誌情報 |
航空宇宙技術研究所報告 en : Technical Report of National Aerospace Laboratory 巻 1304, p. 1-28, 発行日 1996-08 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 航空宇宙技術研究所と宇宙開発事業団は共同して無人有翼宇宙往還機HOPE(H-2 Orbiting Plane)の開発に向けた研究を行っており、その一環として自動着陸技術の実証評価、低速飛行特性の評価を目的とする小型自動着陸実験(ALFLEX: Automatic Landing Flight Experiment)を計画している。本実験ではHOPEの37%スケールモデルを、ヘリコプタから懸吊装置を介して曳航し、高度1,500mの所定の位置から速度45m/s(90kt)で分離し、自動着陸させる。分離前にはジンバル支持による5自由度懸吊飛行を行って分離時の安定な遷移運動の実現を図る。また、自動着陸実験に先だって懸吊飛行試験を行い、制御系の機能確認、および風洞試験で得られている実験機の空力特性の確認を行う。本報告では懸吊飛行試験の成立性の確認と実験手順の確立を行うため、懸吊飛行状態での数学モデルを構成し、それに基づいた運動特性の解析を行った。その結果、懸吊飛行では、自由飛行にはない2重振り子的な運動モードが存在するが、実験機の姿勢運動のモードは自由飛行時のモードと似ており、自由飛行用に設計された姿勢制御則を使って安定化できることが明らかとなり、実験計画の策定に反映された。 | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | NAL and NASDA, cooperating in the research and development of an unmanned reentry vehicle named HOPE (H-2 Orbiting Plane), are planning a series of Automatic Landing Flight Experiments (ALFLEX). ALFLEX is aimed at demonstrating unmanned automatic landing technology and evaluating low speed flight characteristics of a vehicle with the HOPE configuration. In these experiments, the experimental vehicle, a 37 percent subscale model of HOPE, is transported by a helicopter with hanging equipment to a predetermined release point at a height of 1,500 m, and then released at a velocity of 45 m/s (90 knots) to land automatically. Before releasing, the vehicle is supported at its center of gravity with gimbals to fly with five degree of dreedom. This configuration, named constrained flight, enables the vehicle to be released without sudden transient motion. Furthermore, before the experiments, several constrained flight tests will be conducted to verify the control system's performance, and the aerodynamic characteristics preestimated by wind tunnel tests. This report describes a mathematical model of the ALFLEX constrained flight system and analysis of its dynamic characteristics. In the constrained flight, different from free flight, there are modes in which the vehicle and the hanging equipment oscillate like a dual-pendulum. On the other hand, the modes of vehicle's attitude motion resemble those in the free flight, so that the same control law can be applied to stabilize the vehicle's attitude as in free flight. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0389-4010 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0000681000 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: NAL TR-1304 |