JP2008535430A - 誘導位置センサーのための信号処理装置 - Google Patents
誘導位置センサーのための信号処理装置 Download PDFInfo
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- JP2008535430A JP2008535430A JP2008504866A JP2008504866A JP2008535430A JP 2008535430 A JP2008535430 A JP 2008535430A JP 2008504866 A JP2008504866 A JP 2008504866A JP 2008504866 A JP2008504866 A JP 2008504866A JP 2008535430 A JP2008535430 A JP 2008535430A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
-
- 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
- G01D5/14—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 the magnitude of a current or voltage
- G01D5/20—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 the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
- G01D5/204—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 the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
- G01D5/2053—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 the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by a movable non-ferromagnetic conductive element
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
- F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
- F02D11/106—Detection of demand or actuation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
- F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
- F02D2011/101—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the means for actuating the throttles
- F02D2011/102—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the means for actuating the throttles at least one throttle being moved only by an electric actuator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
- F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
- F02D2011/101—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the means for actuating the throttles
- F02D2011/104—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the means for actuating the throttles using electric step motors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Control Of Position Or Direction (AREA)
- Electronic Switches (AREA)
Abstract
【選択図】図5
Description
出力電圧は、位置について完全に線形的に従属するものではないとすることができる。線形性の使用可能な範囲は、真の接地レベル(true ground)に対して負の電圧とすることができる仮想接地レベル(virtual ground)を外挿して、定義することができる。比率信号は(受信機信号+A)/(参照信号+B)の比として形成することができ、ここで、参照信号及び受信機信号は、例えば、それぞれ受信機及び参照信号の復調及びローパスフィルタリングすることによって得られた直流電圧を意味している。A及びBは、わずかに非線形となる応答範囲においても線形であると仮定することによる、仮想接地レベル補正を言う。使用可能な線形の範囲の幅は、位置の正確さの仕様によって決定することができる。補正項A及びBは非常に類似する傾向があり、同じ値をAとBの両方に対して使用することができる。
Claims (19)
- 位置範囲にわたり可動部品の部品位置に関連づけられる出力信号を提供するための装置であって、
励磁信号により励磁された時に電磁放射を生成する送信コイルと、
前記送信コイルに近接して配置され、前記送信コイルと受信コイルとの間の誘導結合によって前記送信コイルが励磁された時に、前記部品位置に感応する受信機信号を生成する受信コイルと、
前記部品位置と実質的に独立な前記参照信号を提供する参照コイルと、
前記受信機信号及び前記参照信号を受信し、前記受信機信号及び前記参照信号から比率信号を生成するためのアナログ除算器を含む信号処理装置と、
を含み、
前記出力信号は、前記比率信号から得られるものであることを特徴とする装置。 - 前記比率信号は、前記位置範囲にわたる部品位置に実質的に線形に従属することを特徴とする請求項1に記載の装置。
- 前記部品位置は回転角度であることを特徴とする請求項1に記載の装置。
- 前記部品位置に関連づけられるカプラー要素の位置を有し、前記送信コイルと前記受信コイルの各々との間の前記誘導結合が該カプラー要素の位置に感応するようになったカプラー要素を更に含むことを特徴とする請求項1に記載の装置。
- 前記信号処理装置は、電圧クランプを更に含み、前記出力信号は、下限プラトー及び上限プラトー電圧を有することを特徴とする請求項1に記載の装置。
- 前記プラトー電圧及び前記ゲイン曲線は、トリマブル抵抗器により設定されることを特徴とする請求項5に記載の装置。
- 前記信号処理装置は、電圧調整を記憶する長期記憶装置を更に含み、前記出力信号は、前記比率信号及び前記電圧調整から得られることを特徴とする請求項1に記載の装置。
- 前記電圧調整は、較正プロセス中に前記長期記憶装置に入力されることを特徴とする請求項7に記載の装置。
- 前記長期記憶装置は、ツェナーダイオードを含むスイッチアレイであることを特徴とする請求項7に記載の装置。
- 位置範囲にわたり可動部品の部品位置に関連づけられる出力信号を提供するための装置であって、
受信コイルから得られ、前記部品位置に感応する受信機信号、及び送信コイルの励磁に基づき参照コイルから得られ、前記部品位置に実質的に感応しない参照信号を受け取る信号処理装置と、
前記受信機信号及び前記参照信号から比率信号を生成するためのアナログ除算器を含む信号処理装置と、
を含み、
前記信号処理装置は、前記部品位置に関係づけられる、前記比率信号から得られる出力信号を提供することを特徴とする装置。 - 前記信号処理装置は、発振器を更に含み、前記受信機信号及び前記参照信号は、前記発振器による前記送信コイルの励磁によって得られることを特徴とする請求項10に記載の装置。
- 前記信号処理装置は、前記アナログ除算器からの出力を供給電圧信号で乗ずるための回路を更に含むことを特徴とする請求項10に記載の装置。
- 前記信号処理装置は、仮想接地レベル調整器を更に含み、前記出力信号は、前記仮想接地レベル調整器により制御される電圧調整を含むことを特徴とする請求項10に記載の装置。
- 前記電圧調整は、不揮発性記憶装置に記憶され、前記仮想接地レベル調整器は前記不揮発性記憶装置と通信することを特徴とする請求項13に記載の装置。
- 前記不揮発性記憶装置は、ツェナーアレイであることを特徴とする請求項14に記載の装置。
- 前記受信コイル、前記参照コイル、前記送信コイル及び前記信号処理装置は、単一のプリント回路板上に形成されることを特徴とする請求項10に記載の装置。
- 可動部品の位置を判定する方法であって、
送信コイルを交流電流を使用して励磁するステップと、
受信コイルから、前記部品位置に感応する受信機信号を得るステップと、
前記可動部品の位置と実質的に独立な参照信号を得るステップと、
アナログ除算器回路において前記受信機信号を前記参照信号で除して比率信号を提供するステップと、
電圧調整を前記比率信号に加えて出力信号を得るステップと、
上限及び下限プラトーレベル間で前記出力信号をクランプするステップと、
前記出力信号を使用して前記部品位置を判定するステップと、
を含むことを特徴とする方法。 - 前記電圧調整が、アナログ加算器により前記比率回路に加えられることを特徴とする請求項17に記載の方法。
- 前記電圧調整が、不揮発性記憶装置に記憶されることを特徴とする請求項17に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US66947805P | 2005-04-08 | 2005-04-08 | |
US60/669,478 | 2005-04-08 | ||
US11/400,154 US7292026B2 (en) | 2005-04-08 | 2006-04-07 | Signal conditioning system for inductive position sensor |
US11/400,154 | 2006-04-07 | ||
PCT/IB2006/000829 WO2006106422A2 (en) | 2005-04-08 | 2006-04-10 | Signal conditioning system for inductive position sensor |
Publications (2)
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JP2008535430A true JP2008535430A (ja) | 2008-08-28 |
JP4986988B2 JP4986988B2 (ja) | 2012-07-25 |
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JP2008504866A Expired - Fee Related JP4986988B2 (ja) | 2005-04-08 | 2006-04-10 | 誘導位置センサーのための信号処理装置 |
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US (1) | US7292026B2 (ja) |
JP (1) | JP4986988B2 (ja) |
KR (1) | KR101238243B1 (ja) |
CN (1) | CN101189490B (ja) |
AU (1) | AU2006231914A1 (ja) |
BR (1) | BRPI0612438A2 (ja) |
CA (1) | CA2604051A1 (ja) |
DE (1) | DE112006000835B4 (ja) |
RU (1) | RU2007141296A (ja) |
WO (1) | WO2006106422A2 (ja) |
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JP2010133923A (ja) * | 2008-12-04 | 2010-06-17 | Hyundai Motor Co Ltd | アクセレレーターポジションセンサー |
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- 2006-04-10 WO PCT/IB2006/000829 patent/WO2006106422A2/en active Application Filing
- 2006-04-10 BR BRPI0612438-0A patent/BRPI0612438A2/pt not_active IP Right Cessation
- 2006-04-10 JP JP2008504866A patent/JP4986988B2/ja not_active Expired - Fee Related
- 2006-04-10 KR KR1020077026023A patent/KR101238243B1/ko not_active IP Right Cessation
- 2006-04-10 AU AU2006231914A patent/AU2006231914A1/en not_active Abandoned
- 2006-04-10 DE DE112006000835.8T patent/DE112006000835B4/de not_active Expired - Fee Related
- 2006-04-10 CA CA002604051A patent/CA2604051A1/en not_active Abandoned
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JP2010127929A (ja) * | 2008-11-26 | 2010-06-10 | Magneti Marelli Spa | 角度位置センサを提供されるハンドルコントロール |
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Also Published As
Publication number | Publication date |
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JP4986988B2 (ja) | 2012-07-25 |
CN101189490B (zh) | 2010-05-19 |
KR20070122533A (ko) | 2007-12-31 |
US20060255794A1 (en) | 2006-11-16 |
AU2006231914A1 (en) | 2006-10-12 |
RU2007141296A (ru) | 2009-05-20 |
US7292026B2 (en) | 2007-11-06 |
DE112006000835B4 (de) | 2019-06-19 |
KR101238243B1 (ko) | 2013-03-04 |
DE112006000835T5 (de) | 2008-02-21 |
WO2006106422A2 (en) | 2006-10-12 |
CA2604051A1 (en) | 2006-10-12 |
CN101189490A (zh) | 2008-05-28 |
BRPI0612438A2 (pt) | 2010-11-09 |
WO2006106422A3 (en) | 2008-01-03 |
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