JP2005140722A - 磁性体移動目標の相対位置検出方法 - Google Patents
磁性体移動目標の相対位置検出方法 Download PDFInfo
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- JP2005140722A JP2005140722A JP2003379511A JP2003379511A JP2005140722A JP 2005140722 A JP2005140722 A JP 2005140722A JP 2003379511 A JP2003379511 A JP 2003379511A JP 2003379511 A JP2003379511 A JP 2003379511A JP 2005140722 A JP2005140722 A JP 2005140722A
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Abstract
【解決手段】移動目標が発生する信号を捕捉する検出器を備えた装置において当該装置と等速直線運動をする移動目標との相対位置を検出するに際し、移動目標の発生する信号を当該移動目標が当該装置に対してほぼ最接近位置の時刻まで時系列的に測定・集録し、集録されたデータを水平成分と垂直成分に変換し、時系列変換データと理論式による値との残差式を用いて最小自乗法により未知のパラメータを算出するにより移動目標の相対位置を精度良く検出する。
【選択図】図1
Description
また、求めた回転楕円体の焦点距離から移動目標の大きさを推定し、移動目標を識別することができる。
Claims (1)
- 移動目標が発生する信号の直交3軸成分を捕捉する1個所に配置された検出器を用い、当該検出器と等速直線運動をする移動目標との相対位置を検出する移動目標の相対位置検出方法であって、
前記移動目標の発生する信号を前記移動目標が前記検出器に対して少なくとも最接近位置の時刻まで時系列的に測定・集録するステップと、前記測定・集録ステップで収録されたデータを加工するデータ変換ステップと、前記データ変換ステップで得られた変換データと、信号源である磁化構造物の外部磁界を回転楕円体座標系におけるラプラス方程式の解から得た理論値との残差式を用いて、最小自乗法により未知のパラメータを算出する算出ステップとに基づいて、移動目標の相対位置を検出するとともに、前記測定・収録ステップ、前記データ変換ステップ、及び前記算出ステップにより、前記移動目標の信号源の大きさを得て目標を識別することを特徴とする移動目標の相対位置検出方法。
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JP2005140722A true JP2005140722A (ja) | 2005-06-02 |
JP4213017B2 JP4213017B2 (ja) | 2009-01-21 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008256400A (ja) * | 2007-04-02 | 2008-10-23 | Universal Shipbuilding Corp | 移動***置等推定検出方法、装置及び移動***置等推定検出方法のプログラム |
DE102008064380A1 (de) * | 2008-12-22 | 2010-06-24 | Siemens Aktiengesellschaft | Verfahren und Anordnung zur sensorlosen Zustandsschätzung von magnetischen Schwebesystemen, insbesondere Magnetlager |
JP2011039010A (ja) * | 2009-08-18 | 2011-02-24 | Public Works Research Institute | 変形計測システムおよび変形計測方法 |
CN102812262A (zh) * | 2010-04-01 | 2012-12-05 | 西门子公司 | 用于适配磁轴承的电阻值和用于对在磁轴承中所支承的对象无传感器地进行位置确定的方法 |
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2003
- 2003-11-10 JP JP2003379511A patent/JP4213017B2/ja not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008256400A (ja) * | 2007-04-02 | 2008-10-23 | Universal Shipbuilding Corp | 移動***置等推定検出方法、装置及び移動***置等推定検出方法のプログラム |
DE102008064380A1 (de) * | 2008-12-22 | 2010-06-24 | Siemens Aktiengesellschaft | Verfahren und Anordnung zur sensorlosen Zustandsschätzung von magnetischen Schwebesystemen, insbesondere Magnetlager |
DE102008064380B4 (de) * | 2008-12-22 | 2016-05-25 | Siemens Aktiengesellschaft | Verfahren zur sensorlosen Zustandsschätzung von magnetischen Schwebesystemen, insbesondere Magnetlagern |
JP2011039010A (ja) * | 2009-08-18 | 2011-02-24 | Public Works Research Institute | 変形計測システムおよび変形計測方法 |
CN102812262A (zh) * | 2010-04-01 | 2012-12-05 | 西门子公司 | 用于适配磁轴承的电阻值和用于对在磁轴承中所支承的对象无传感器地进行位置确定的方法 |
US8970079B2 (en) | 2010-04-01 | 2015-03-03 | Siemens Aktiengesellschaft | Method for adjusting resistance of electromagnet in magnetic bearing and for sensorless determination of position of object mounted in magnetic bearing, taking into account adjusted value of resistance |
CN102812262B (zh) * | 2010-04-01 | 2015-11-25 | 西门子公司 | 用于适配电阻值和用于对对象进行位置确定的方法 |
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