JP2001526779A - 航空機の重量および重心表示器 - Google Patents
航空機の重量および重心表示器Info
- Publication number
- JP2001526779A JP2001526779A JP54389598A JP54389598A JP2001526779A JP 2001526779 A JP2001526779 A JP 2001526779A JP 54389598 A JP54389598 A JP 54389598A JP 54389598 A JP54389598 A JP 54389598A JP 2001526779 A JP2001526779 A JP 2001526779A
- Authority
- JP
- Japan
- Prior art keywords
- leg
- pressure
- aircraft
- strut
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/12—Static balancing; Determining position of centre of gravity
- G01M1/122—Determining position of centre of gravity
- G01M1/125—Determining position of centre of gravity of aircraft
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
- G01G19/07—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing aircraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D45/00—Aircraft indicators or protectors not otherwise provided for
- B64D2045/008—Devices for detecting or indicating hard landing
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 航空機についての情報を得る方法であって、上記航空機が複数の加圧脚 支柱によって支持され、上記脚支柱が、屡々スティクションと称される摩擦を受 け、上記スティクションは、上記脚支柱が支持する重量に関係するので、内部支 柱圧力を歪め、上記脚支柱が流体を含み: a) 上記それぞれの脚支柱を第1方向に動かすように、上記脚支柱の各々の 中の上記流体の量を変える工程; b) 上記脚支柱の各々の上記運動を検出する工程; c) 上記それぞれの脚支柱の上記運動を検出すると、航空機運動を最少に保 持し、並びに温度変化および上記それぞれの脚支柱流体の温度変化によって生ず る上記圧力歪みを最少にするように、上記それぞれの脚支柱運動を最少に維持す るように上記それぞれの脚支柱の中の上記流体の量を変える工程を止める工程; d) 上記それぞれの脚支柱の各々を上記第1方向と反対の第2方向に動かす ように、工程a)ないしc)を繰返す工程; e) 工程a)ないしd)の間に、上記それぞれの脚支柱の各々の中の圧力を 決める工程; f) 上記脚支柱の上記圧力決定値に、上記支柱スティクションによって生ず る上記歪みの補正をする工程; を含む方法。 2. 請求項1の方法に於いて、上記脚支柱の各々の上記運動を検出する上記工 程が更に上記それぞれの支柱圧力の変化を検出する工程および上記支柱圧力変化 のピークを検出する工程を含む方法。 3. 請求項2の方法に於いて、上記脚支柱の各々の上記運動を検出する上記工 程が更に定常圧力となる前の圧力低下前のピーク圧力を検出する工程を含む方法 。 4. 請求項1の方法に於いて、上記航空機の全ての上記支柱を、同じ方向に一 緒に動くように調整した方法。 5. 請求項4の方法の方法であって、更に、請求項1の工程d)を行う前に、 この航空機の全ての支柱が上記第1方向の運動を止めたことを検出する工程を含 む方法。 6. 請求項1の方法に於いて、上記それぞれの脚支柱の上記スティクションの 量を減らすために、上記工程a)ないしd)を繰返す方法。 7. 請求項1の方法に於いて、上記脚支柱の各々の中の上記流体の量を変える 工程が上記それぞれの脚支柱の第1口で行われ、および上記それぞれの脚支柱の 各々の中の圧力を決める工程が上記それぞれの脚支柱の第2口で行われ、上記第 1口および第2口が上記それぞれの脚支柱の中の多量の流体によって物理的に分 離されている方法。 8. 請求項1の方法に於いて、上記それぞれの脚支柱の各々の中の上記流体の 量を変える工程が上記それぞれの脚支柱の単一アクセス口で行われ、これらの流 体の量を変える工程が上記それぞれの脚支柱の中の第1場所で行われ、および上 記それぞれの脚支柱の各々の中の圧力を決める工程が上記それぞれの脚支柱の中 の第2場所で行われ、上記第1場所および第2場所が上記それぞれの脚支柱の中 の多量の流体によって物理的に分離されている方法。 9. 請求項1の方法に於いて、上記それぞれの脚支柱の上記運動を検出する工 程が更に上記それぞれの脚支柱に取付けた機械的センサによって上記運動を検出 する工程を含む方法。 10.請求項1の方法に於いて、上記脚支柱の各々の中の上記流体の量を変える 工程をポンプによって行う方法。 11.請求項1の方法に於いて、上記脚支柱の各々の中の上記流体の量を変える 工程を分離計量シリンダによって行う方法。 12.請求項1の方法に於いて、上記それぞれの脚支柱を上記第1方向に動かし 、次に上記第2方向に動かすように上記流体の量を変える工程が、上記それぞれ の脚支柱の中の上記流体にゼロの正味変化を生ずる方法。 13.請求項12の方法に於いて、上記脚支柱の各々の中の流体の量を変える工 程を分離計量シリンダによって行い、上記分離計量シリンダが密閉シリンダの中 にピストンを含み、上記ピストンは、上記支柱を第1方向に動かすために上記シ リンダの中の流体の量を変えるとき、上記ピストンが上記シリンダの第1端に隣 接して位置して上記シリンダの中でストロークを始め、次に上記支柱を第2方向 に動かすために上記シリンダの中の流体の上記量を変え、その結果上記ピストン は、上記ピストンが上記シリンダの上記第1端に隣接する位置に戻って上記シリ ンダの中で上記ストロークを終える方法。 14.請求項1の方法に於いて、上記第1方向はこの支柱を伸すことになってい て、上記第2方向はこの支柱を引込むことになっている方法。 15.請求項1の方法に於いて、上記流体が液体および圧縮ガスを含み、更に: a) 上記脚支柱の各々の中の流体の量を変える工程の少なくとも一つの間に 上記圧力の変化速度を決める工程; b) 上記それぞれの脚支柱の圧力の上記変化速度から上記支柱の各々の中の 上記液体の量に対する上記圧縮ガスの量を決める工程; を含む方法。 16.請求項1の方法の方法であって、更に: a) 上記それぞれの補償した圧力決定値およびばね下重量から上記脚支柱の 各々が支持する重量を決める工程; b) 上記それぞれの補償した重量決定値から上記航空機の重量を決める工程 ; を含む方法。 17.請求項16の方法の方法であって、更に、上記それぞれの脚支柱が支持す る、上記それぞれの決定し、補償した重量から上記航空機の重心を決める工程を 含む方法。 18.請求項16の方法に於いて、上記脚支柱の上記圧力決定値に上記支柱ステ ィクションによって生ずる上記歪みを補償する工程が、更に、上記脚支柱のあら ゆる非対称スティクションを補償するように、上記脚支柱の各々からの上記重量 決定値にオフセットを加える工程を含む方法。 19.請求項16の方法の方法であって、更に、上記航空機に載荷または除荷し ながら、上記航空機の上記重量を決める工程を含む方法。 20.請求項16の方法の方法であって、更に、上記決定した航空機重量に上記 航空機を通過する風によって生ずる誤差を決定し且つ補償する工程を含む方法。 21.請求項16の方法の方法であって、更に、上記決定した航空機重量に上記 航空機の外部に蓄積する氷によって生ずる誤差を決定し且つ補償する工程を含む 方法。 22.請求項16の方法の方法であって、更に、上記決定した航空機重量に上記 航空機の外部液体によって生ずる誤差を決定し且つ補償する工程を含む方法。 23.航空機の重量を決定する方法であって、上記航空機が複数の加圧脚支柱に よって支持され、上記脚支柱が、屡々スティクションと称される摩擦を受け、上 記スティクションは、上記脚支柱が支持する重量に関係するので、内部支柱圧力 を歪め、上記脚支柱が流体を含み、上記航空機が載荷装置と垂直に整列した入口 を有し、上記載荷装置を使って上記入口から上記航空機に目的物を積み降ろしで き: a) 上記それぞれの脚支柱を動かすように、上記脚支柱の各々の中の上記流 体の量を変える工程; b) 上記脚支柱の各々の上記運動を検出する工程; c) 上記それぞれの脚支柱の上記運動を検出すると、上記それぞれの脚支柱 の中の上記流体の量を変える工程を中止することによって、上記入口の上記載荷 装置との垂直に整列を維持する工程; d) 工程a)ないしc)の間に、上記それぞれの脚支柱の各々の中の圧力を 決める工程; e) 上記脚支柱の上記圧力決定値に、上記スティクションによって生ずる上 記歪みを補償する工程; f) 上記それぞれの補償した圧力決定値およびばね下重量から上記脚支柱の 各々が支持する重量を決める工程; g) 上記それぞれの補償した重量決定値から上記航空機の重量を決める工程 ; を含む方法。 24.請求項23の方法に於いて、上記載荷装置が乗客ランプである方法。 25.請求項23の方法に於いて、上記載荷装置が貨物ランプである方法。 26.航空機脚支柱の中のガスと液体の相対量を決める方法であって: a) 上記支柱の中の流体の量を変える工程; b) 上記流体の量を変えながら、上記支柱の中の圧力を測る工程; c) 上記支柱の中の圧力の変化速度を決める工程; d) 支柱圧力の上記変化速度から上記ガスに対する上記液体の相対量を決め る工程; を含む方法。 27.請求項26の方法に於いて、上記ガスに対する上記液体の相対量を決める 工程が更に上記支柱の圧力の測定した変化速度を、圧力の既知の変化速度のルッ クアップテーブルと比較する工程を含む方法。 28.航空機の重量を決定するための装置であって、上記航空機が複数の加圧脚 支柱によって支持され、上記脚支柱がスティクションを受け、上記スティクショ ンは、上記脚支柱が支持する重量に関係するので、内部支柱圧力を歪め、上記脚 支柱が流体を含み: a) 上記脚支柱の各々に流体を注入および/または回収させるように上記脚 支柱の各々に結合したポンプ; b) 中の上記流体の圧力を検出するように上記脚支柱の各々に対して結合し た圧力センサ; c) 上記脚支柱の運動を検出するように上記脚支柱の各々に結合した運動セ ンサ; d) 上記運動センサに結合した入力および上記ポンプに結合した出力を有し 、上記運動センサが支柱の運動を検出するとき、上記ポンプを止めて上記支柱へ の流体の注入または回収を止める制御装置; e) 上記圧力センサおよび上記制御装置に結合され、上記検知した圧力から 上記航空機の重量を決定するプロセッサ; f) 上記プロセッサに結合され、上記決定した航空機重量を人間に提供する ための表示器; を含む装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/838,199 US6128951A (en) | 1997-04-15 | 1997-04-15 | Aircraft weight and center of gravity indicator |
US08/838,199 | 1997-04-15 | ||
PCT/US1998/005007 WO1998046972A1 (en) | 1997-04-15 | 1998-03-13 | Aircraft weight and center of gravity indicator |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2001526779A true JP2001526779A (ja) | 2001-12-18 |
JP3786714B2 JP3786714B2 (ja) | 2006-06-14 |
Family
ID=25276529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP54389598A Expired - Lifetime JP3786714B2 (ja) | 1997-04-15 | 1998-03-13 | 航空機の重量および重心表示器 |
Country Status (7)
Country | Link |
---|---|
US (4) | US6128951A (ja) |
EP (1) | EP0991927B1 (ja) |
JP (1) | JP3786714B2 (ja) |
AT (1) | ATE557268T1 (ja) |
CA (1) | CA2286113A1 (ja) |
ES (1) | ES2389803T3 (ja) |
WO (1) | WO1998046972A1 (ja) |
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JP2008537527A (ja) * | 2005-03-30 | 2008-09-18 | クレイン カンパニー | 液圧ストラットの静止摩擦抑制用の回転シール |
JP2009536889A (ja) * | 2006-03-17 | 2009-10-22 | ハイドロ エアー インコーポレイテッド | 着陸装置支柱エクステンダー |
JP2010501400A (ja) * | 2006-08-30 | 2010-01-21 | メシエ‐ダウティ インコーポレイティッド | 一体化された圧力トランスデューサを有する油圧式/空気式充填バルブ |
JP2009023629A (ja) * | 2007-07-24 | 2009-02-05 | Japan Aerospace Exploration Agency | 短距離離着陸航空機 |
JP2017525607A (ja) * | 2014-05-12 | 2017-09-07 | ザ・ボーイング・カンパニーThe Boeing Company | 航空機内部の監視 |
JP2016022948A (ja) * | 2014-07-18 | 2016-02-08 | ザ・ボーイング・カンパニーTheBoeing Company | 近接乗り物データ送信 |
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US6237406B1 (en) | 2001-05-29 |
ATE557268T1 (de) | 2012-05-15 |
US6237407B1 (en) | 2001-05-29 |
EP0991927A1 (en) | 2000-04-12 |
US6293141B1 (en) | 2001-09-25 |
ES2389803T3 (es) | 2012-10-31 |
CA2286113A1 (en) | 1998-10-22 |
EP0991927A4 (en) | 2001-09-19 |
WO1998046972A1 (en) | 1998-10-22 |
JP3786714B2 (ja) | 2006-06-14 |
EP0991927B1 (en) | 2012-05-09 |
US6128951A (en) | 2000-10-10 |
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