JP4642896B2 - シーケンシャルフローステートマシーンを有する近接検出器 - Google Patents
シーケンシャルフローステートマシーンを有する近接検出器 Download PDFInfo
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- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/24471—Error correction
- G01D5/2449—Error correction using hard-stored calibration data
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/24471—Error correction
- G01D5/2448—Correction of gain, threshold, offset or phase control
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- G—PHYSICS
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- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/245—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using a variable number of pulses in a train
- G01D5/2451—Incremental encoders
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Description
Claims (22)
- 物体に関連する磁界を示す各1つまたは複数の磁界信号を供給するように適合され、前記1つまたは複数の磁界信号の各磁界信号は、各アナログ信号値を有するアナログ信号である、1つまたは複数の磁界感知要素と、
前記1つまたは複数の磁界信号を受信するために結合され、各1つまたは複数の状態信号を供給する1つまたは複数の状態プロセッサとを備え、各状態プロセッサは前記1つまたは複数の磁界信号のひとつの正のピークおよび負のピークを表す第1および第2の追跡信号を発生し、且つ複数のディジタルビットを有するひとつの状態信号を発生するように構成され、前記状態信号は、前記1つまたは複数の磁界信号のひとつに関連する複数の状態を示し、前記複数の状態の各状態は、前記正のピークおよび負のピーク間のアナログ信号値の各範囲を示す、
近接検出器。 - 前記1つまたは複数の状態信号に応答して、前記物体および前記1つまたは複数の磁界感知要素のうちの少なくとも1つの振動を示す振動信号を生成するように適合された振動プロセッサをさらに含む、請求項1に記載の近接検出器。
- 前記振動プロセッサは、前記1つまたは複数の磁界信号のうちの別の1つの前記複数の状態の中からの少なくとも1つの選択された状態と共に、前記1つまたは複数の磁界信号のうちの選択された磁界信号の傾きの変化に従って前記振動信号を生成するように適合される、請求項2に記載の近接検出器。
- 前記1つまたは複数の磁界信号は、第1の磁界信号および第2の磁界信号を含み、前記振動プロセッサは、前記第1の磁界信号の状態と前記複数の状態の中からの前記第2の磁界信号の状態との比較に従って前記振動信号を生成するように適合される、請求項2に記載の近接検出器。
- 前記1つまたは複数の磁界信号は、第1の磁界信号および第2の磁界信号を含み、前記振動プロセッサは、前記第1の磁界信号および前記第2の磁界信号のうちの少なくとも1つの状態パターンに従って前記振動信号を生成するように適合され、前記状態パターンは、前記複数の状態の中からの選択された状態を有する、請求項2に記載の近接検出器。
- 前記1つまたは複数の磁界信号は、第1の磁界信号および第2の磁界信号を含み、前記振動プロセッサは、前記1つまたは複数の磁界信号のうちの別の磁界信号の前記複数の状態の中からの少なくとも1つの選択された状態と共に、前記1つまたは複数の磁界信号のうちの選択された磁界信号の傾きの変化による第1の振動信号と、前記複数の状態の中からの前記第1の磁界信号の状態の前記第2の磁界信号の状態との比較による第2の振動信号と、前記第1の磁界信号および前記第2の磁界信号のうちの少なくとも1つの状態パターンによる第3の振動信号とのうちの少なくとも1つを生成するように適合され、前記状態パターンは、前記複数の状態の中からの選択された状態を有する、請求項2に記載の近接検出器。
- 前記1つまたは複数の状態信号に応答し、前記第1の振動信号、前記第2の振動信号、および前記第3の振動信号のうちの少なくとも1つに応答し、前記物体の回転を示し且つ前記振動を示す出力信号を生成するように適合された出力プロトコルプロセッサをさらに含む、請求項6に記載の近接検出器。
- 前記出力信号は、当初は、前記第1の振動信号、前記第2の振動信号、および前記第3の振動信号のうちの選択された1つの信号に応答してのみ前記振動を示している、請求項7に記載の近接検出器。
- 前記1つまたは複数の状態信号に応答し且つ前記振動信号に応答して、前記物体の回転を示し且つ前記振動を示す出力信号を生成するように適合された出力プロトコルプロセッサをさらに含む、請求項2に記載の近接検出器。
- 前記1つまたは複数の状態信号に応答し、前記物体の回転を示す出力信号を生成するように適合された出力プロトコルプロセッサをさらに含む、請求項1に記載の近接検出器。
- 前記1つまたは複数の状態信号に応答し、前記近接検出器の正しい設置を示す出力信号を生成するように適合された出力プロトコルプロセッサをさらに含む、請求項1に記載の近接検出器。
- 物体に関連する磁界を示す1つまたは複数の磁界信号を生成するステップと、
各状態信号が複数のディジタルビットを有する、複数の1つまたは複数の状態信号を生成するステップと、
1つまたは複数の磁界信号のひとつの正のピークおよび負のピークを表す第1および第2の追跡信号を発生するステップと、を含み、
前記1つまたは複数の磁界信号の各磁界信号は、各アナログ信号値を有するアナログ信号であり、
前記1つまたは複数の状態信号の各状態信号は、前記1つまたは複数の磁界信号の磁界信号のひとつに関連する複数の状態を示し、前記複数の状態の各状態は、前記正のピークおよび負のピーク間の前記各アナログ信号値の各範囲を示す、
物体を検出する方法。 - 前記1つまたは複数の状態信号に応答し、前記物体および前記1つまたは複数の磁界感知要素のうちの少なくとも1つの振動を示す振動信号を生成するステップをさらに含む、請求項12に記載の方法。
- 前記1つまたは複数の磁界信号のうちの別の磁界信号の前記複数の状態の中からの少なくとも1つの選択された状態と共に、前記1つまたは複数の磁界信号のうちの選択された磁界信号の傾きの変化に従って前記振動信号を生成するステップをさらに含む、請求項13に記載の方法。
- 前記1つまたは複数の磁界信号は、第1の磁界信号および第2の磁界信号を含み、前記方法は、
前記複数の状態の中からの前記第1の磁界信号の状態と前記第2磁界信号の状態との比較に従って前記振動信号を生成するステップをさらに含む、請求項13に記載の方法。 - 前記1つまたは複数の磁界信号は、第1の磁界信号および第2の磁界信号を含み、前記方法は、
前記第1の磁界信号および前記第2の磁界信号のうちの少なくとも1つの状態パターンに従って前記振動信号を生成するステップをさらに含み、前記状態パターンは、前記複数の状態の中からの選択された状態を有する、請求項13に記載の方法。 - 前記1つまたは複数の磁界信号は、第1の磁界信号および第2の磁界信号を含み、前記方法は、
前記1つまたは複数の磁界信号のうちの別の磁界信号の前記複数の状態の中からの少なくとも1つの選択された状態と共に、前記1つまたは複数の磁界信号のうちの選択された磁界信号の傾きの変化による第1の振動信号と、前記複数の状態の中からの前記第1の磁界信号の状態と前記第2の磁界信号の状態との比較による第2の振動信号と、前記第1の磁界信号および前記第2の磁界信号のうちの少なくとも1つの状態パターンによる第3の振動信号のうちの少なくとも1つを生成するステップをさらに含み、前記状態パターンは前記複数の状態の中からの選択された状態を有する、請求項13に記載の方法。 - 前記1つまたは複数の状態信号に応答し、前記第1の振動信号、前記第2の振動信号、および前記第3の振動信号のうちの少なくとも1つに応答し、前記物体の回転を示し且つ前記振動を示す出力信号を生成するステップをさらに含む、請求項17に記載の方法。
- 前記出力信号は、当初は、前記第1の振動信号、前記第2の振動信号、および前記第3の振動信号のうちの選択された1つに応答してのみ前記振動を示す、請求項18に記載の方法。
- 前記1つまたは複数の状態信号に応答し且つ前記振動信号に応答して、前記物体の回転を示し且つ前記振動を示す出力信号を生成するステップをさらに含む、請求項13に記載の方法。
- 前記1つまたは複数の状態信号に応答して、前記物体の回転を示す出力信号を生成するステップをさらに含む、請求項12に記載の方法。
- 前記1つまたは複数の状態信号に応答して、前記近接検出器の正しい設置を示す出力信号を生成するステップをさらに含む、請求項12に記載の近接検出器。
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US11/085,648 US7253614B2 (en) | 2005-03-21 | 2005-03-21 | Proximity detector having a sequential flow state machine |
PCT/US2006/007824 WO2006101702A1 (en) | 2005-03-21 | 2006-03-06 | Proximity detector having a sequential flow state machine |
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2005
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2006
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JP2013531233A (ja) * | 2010-06-04 | 2013-08-01 | アレグロ・マイクロシステムズ・エルエルシー | 動き検出器において用いる閾値信号を生成する回路および方法 |
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EP2270434A2 (en) | 2011-01-05 |
EP2270434A3 (en) | 2013-04-03 |
WO2006101702A1 (en) | 2006-09-28 |
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EP2270434B1 (en) | 2018-09-12 |
US7253614B2 (en) | 2007-08-07 |
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US20060208729A1 (en) | 2006-09-21 |
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