JP2009501882A - 磁気レオロジーダンパーおよびその使用 - Google Patents
磁気レオロジーダンパーおよびその使用 Download PDFInfo
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- JP2009501882A JP2009501882A JP2008521774A JP2008521774A JP2009501882A JP 2009501882 A JP2009501882 A JP 2009501882A JP 2008521774 A JP2008521774 A JP 2008521774A JP 2008521774 A JP2008521774 A JP 2008521774A JP 2009501882 A JP2009501882 A JP 2009501882A
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- Japan
- Prior art keywords
- damper
- sensor
- piezoelectric
- magnetorheological
- wafer
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
- F16F9/535—Magnetorheological [MR] fluid dampers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid-Damping Devices (AREA)
Abstract
【選択図】図2
Description
ダンパー本体およびこのダンパー本体に対して移動自在な部分とを有する、少なくとも1つの磁気レオロジーダンパーであって、
前記移動自在な部分の運動に抵抗するための、前記ダンパー本体内に含まれる磁気レオロジー材料を備え、この磁気レオロジー材料が受ける磁界の変化により、前記磁気レオロジー材料内にレオロジー変化を発生させることが可能であり、
前記ダンパーに加えられる外力をモニタすると共に、外力の変化に応答して前記磁界およびその結果生じる前記ダンパーの降伏力およびレオロジー減衰を制御するための信号を発生するための、前記ダンパー内に埋め込まれた少なくとも1つのセンサを含む、前記磁気レオロジーダンパーと、
前記センサからの信号を受信すると共に、この信号に従い、前記磁界を変えるための手段と、を備える。
12 ベアリングシールユニット
13 MR材料
14 電磁石
15 ダイヤフラム
16 アキュムレータ
17 ピストン
18 上方接続支持体
19 下方接続支持体
24 信号調整ユニット
25 データ取得ユニット
26 パーソナルコンピュータ
27 モニタ
28、29 圧電センサ
30 ピエゾ電極ウェーハ
31、32 ウェーハ電極
36、37 スタック
38、39 下方部分
100 MRダンパー
200 MRダンパー
Claims (14)
- ダンパー本体と、このダンパー本体に対して移動自在な可動部とを有し、構造振動制御に有効な磁気レオロジーダンパーにおいて、
前記可動部の運動に抵抗するための、前記ダンパー本体内に含まれる磁気レオロジー材料を備え、この磁気レオロジー材料が受ける磁界の変化により、前記磁気レオロジー材料内にレオロジー変化を発生させることが可能であり、
前記ダンパーに加えられる外力をモニタすると共に、外力の変化に応答して前記磁界およびその結果生じる前記ダンパーの降伏力およびレオロジー減衰を制御するための信号を発生するための、前記ダンパー内に埋め込まれた少なくとも1つのセンサとを備えた、磁気レオロジーダンパー。 - 前記センサは、圧電センサである、請求項1記載のダンパー。
- 前記センサは、圧電ウェーハによって分離されると共に、圧力を受けた状態で互いにスタック内に一体に保持された少なくとも一対の平面状電極を含む、請求項2記載のダンパー。
- 前記センサは、前記電極のうちの1つを絶縁するための絶縁ウェーハを更に含む、請求項3記載のダンパー。
- 前記圧電ウェーハは、円筒形である、請求項3記載のダンパー。
- 前記圧電ウェーハは、圧電セラミック、ポリマーおよび複合体材料のうちの1つから製造されている、請求項3記載のダンパー。
- 前記センサは、複数対の平面状電極を含み、各電極対は圧電ウェーハによって分離されており、前記複数対の平面状電極とウェーハが、圧力を受けた状態で互いに当接してスタック内に一体に保持されている、請求項3記載のダンパー。
- 前記圧電ウェーハの数が奇数である場合、前記センサは、前記電極のうちの1つを絶縁するための絶縁ウェーハを更に含む、請求項7記載のダンパー。
- 前記圧電ウェーハは、円筒形である、請求項7記載のダンパー。
- 前記圧電ウェーハは、圧電セラミック、ポリマーおよび複合体材料のうちの1つから製造されている、請求項7記載のダンパー。
- 前記圧電ウェーハは、全面電極パターン、内側電極パターン、中間電極パターンおよび外側電極パターンを少なくとも含む、異なる電極パターン,すなわちアクティブ領域および非アクティブ領域の異なる形状のいずれかで製造されている、請求項7記載のダンパー。
- 前記センサは、前記ダンパーの長手方向端部に取り付けられている、請求項1記載のダンパー。
- 構造振動制御システムであって、この構造振動制御システムは、
ダンパー本体とこのダンパー本体に対して移動自在な可動部とを有する少なくとも1つの磁気レオロジーダンパーを備え、
この磁気レオロジーダンパーは、
前記可動部の運動に抵抗するための、前記ダンパー本体内に含まれる磁気レオロジー材料を備え、この磁気レオロジー材料が受ける磁界の変化により、前記磁気レオロジー材料内にレオロジー変化を発生させることが可能であり、
前記ダンパーに加えられる外力をモニタすると共に、外力の変化に応答して前記磁界およびその結果生じる前記ダンパーの降伏力およびレオロジー減衰を制御するための信号を発生するための、前記ダンパー内に埋め込まれた少なくとも1つのセンサを含み、
前記構造振動制御システムは、前記センサからの信号を受信すると共に、この信号に従い、前記磁界を変えるための手段を更に備えた、構造振動制御システム。 - 前記センサは、圧電センサである、請求項13記載のシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/185,026 | 2005-07-20 | ||
US11/185,026 US20070017758A1 (en) | 2005-07-20 | 2005-07-20 | Magnetorheological damper and use thereof |
PCT/CN2006/001422 WO2007009341A1 (en) | 2005-07-20 | 2006-06-22 | Magnetorheological damper and use thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009501882A true JP2009501882A (ja) | 2009-01-22 |
JP4850248B2 JP4850248B2 (ja) | 2012-01-11 |
Family
ID=37668435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008521774A Active JP4850248B2 (ja) | 2005-07-20 | 2006-06-22 | 磁気レオロジーダンパーおよびその使用 |
Country Status (5)
Country | Link |
---|---|
US (2) | US20070017758A1 (ja) |
JP (1) | JP4850248B2 (ja) |
KR (1) | KR101255350B1 (ja) |
CN (1) | CN1932327B (ja) |
WO (1) | WO2007009341A1 (ja) |
Cited By (1)
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JP2011001982A (ja) * | 2009-06-17 | 2011-01-06 | Kyb Co Ltd | 緩衝器 |
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JP2011001982A (ja) * | 2009-06-17 | 2011-01-06 | Kyb Co Ltd | 緩衝器 |
Also Published As
Publication number | Publication date |
---|---|
KR101255350B1 (ko) | 2013-04-16 |
WO2007009341A1 (en) | 2007-01-25 |
CN1932327A (zh) | 2007-03-21 |
KR20080037032A (ko) | 2008-04-29 |
CN1932327B (zh) | 2010-06-09 |
US20070017758A1 (en) | 2007-01-25 |
JP4850248B2 (ja) | 2012-01-11 |
US7775333B2 (en) | 2010-08-17 |
US20080128230A1 (en) | 2008-06-05 |
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