JP4416134B2 - コリオリ力を利用した回転制御機構 - Google Patents
コリオリ力を利用した回転制御機構 Download PDFInfo
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- JP4416134B2 JP4416134B2 JP2006052992A JP2006052992A JP4416134B2 JP 4416134 B2 JP4416134 B2 JP 4416134B2 JP 2006052992 A JP2006052992 A JP 2006052992A JP 2006052992 A JP2006052992 A JP 2006052992A JP 4416134 B2 JP4416134 B2 JP 4416134B2
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Description
これに対して、本発明者は、このような構成での制振効果は、ゴンドラのような剛体振子とみなせるものにおいて、質量要素と揺動体における振動の中心(単振子の場合、重心と一致し、剛体振子の場合、通常は重心よりやや下方になる)との距離の2乗に比例し、質量要素を揺動体における振動の中心に取り付けると制振効果を得ることができないことを理論的に見いだした。また、制御対象物よりも上方に取り付け可能な画期的な動吸振器を開発し(特許文献1)、権利化を経た現在では、索道搬器に用いられて実用化に至っている。
C ・・・回転中心
2 ・・・回転制御機構
21 ・・・質量要素
22 ・・・案内機構
222・・・弾性体(バネ)
223・・・減衰器(ダッシュポット)
23 ・・・重力変位防止機構
231・・・滑車
232・・・連結部材
Claims (7)
- 制御対象物の回転運動の回転軸を挟んで左右対称となるように配置される2つの質量要素と、
前記2つの質量要素それぞれを前記回転軸に対して、径方向に沿って進退移動可能に案内する案内機構とを備え、
前記質量要素を径方向に移動させることにより生じるコリオリ力によって、前記制御対象物の回転の状態を制御するものである回転制御機構。 - 前記案内機構が、前記回転軸に設けた固定軸と、当該固定軸及び前記2つの質量要素それぞれの間に介在させた弾性体とを有する請求項1記載の回転制御機構。
- 前記案内機構が、減衰器をさらに備えたものである請求項2記載の回転制御機構。
- 前記弾性体が、前記質量要素の進退移動周期を前記制御対象物の回転周期の1/2として、前記質量要素を前記制御対象物と共振させるものである請求項2又は3記載の回転制御機構。
- 前記案内機構が、制御対象物の角度や加速度等に係る動きを検出し、その動きに応じて質量要素をアクチュエータで進退駆動して回転エネルギを注入又は吸収する能動型のものである請求項1記載の回転制御機構。
- 前記2つの質量要素に重力による変位が生じないようにする重力変位防止機構を備えている請求項1、2、3、4又は5記載の回転制御機構。
- 前記重力変位防止機構が、前記2つの質量要素の外側に設けられた2つの滑車と、当該滑車を介してそれぞれの質量要素を繋げている連結部材とから構成されている請求項6記載の回転制御機構。
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JP2006052992A JP4416134B2 (ja) | 2006-02-28 | 2006-02-28 | コリオリ力を利用した回転制御機構 |
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JP2006052992A JP4416134B2 (ja) | 2006-02-28 | 2006-02-28 | コリオリ力を利用した回転制御機構 |
Publications (2)
Publication Number | Publication Date |
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JP2007232040A JP2007232040A (ja) | 2007-09-13 |
JP4416134B2 true JP4416134B2 (ja) | 2010-02-17 |
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JP2006052992A Expired - Fee Related JP4416134B2 (ja) | 2006-02-28 | 2006-02-28 | コリオリ力を利用した回転制御機構 |
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JP (1) | JP4416134B2 (ja) |
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