JP2009227230A5 - - Google Patents

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Publication number
JP2009227230A5
JP2009227230A5 JP2008078324A JP2008078324A JP2009227230A5 JP 2009227230 A5 JP2009227230 A5 JP 2009227230A5 JP 2008078324 A JP2008078324 A JP 2008078324A JP 2008078324 A JP2008078324 A JP 2008078324A JP 2009227230 A5 JP2009227230 A5 JP 2009227230A5
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Japan
Prior art keywords
standby state
input
zero point
input member
electric booster
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Pending
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JP2008078324A
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Japanese (ja)
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JP2009227230A (en
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Priority to JP2008078324A priority Critical patent/JP2009227230A/en
Priority claimed from JP2008078324A external-priority patent/JP2009227230A/en
Publication of JP2009227230A publication Critical patent/JP2009227230A/en
Publication of JP2009227230A5 publication Critical patent/JP2009227230A5/ja
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Claims (7)

ブレーキペダルの操作により進退移動する入力部材と、該入力部材の進退に応じて移動可能に配置されたアシスト部材と、該アシスト部材を進退移動させる電動モータと、をケーシング内に備え、前記ブレーキペダルによる前記入力部材の移動量を検出する入力ストローク検出手段を設け、制御手段が前記入力ストローク検出手段の検出値に基づいて前記電動モータを制御する電動倍力装置において、
前記ケーシングと前記入力部材との間に設けられて前記入力部材が待機状態にあるか否かを検出する待機状態検出手段を有することを特徴とする電動倍力装置。
The brake pedal includes an input member that moves forward and backward by operation of a brake pedal, an assist member that is movably disposed in accordance with the advancement and retraction of the input member, and an electric motor that moves the assist member forward and backward. In the electric booster for providing an input stroke detection means for detecting the amount of movement of the input member by the control means, the control means controls the electric motor based on the detection value of the input stroke detection means,
An electric booster comprising standby state detection means provided between the casing and the input member for detecting whether or not the input member is in a standby state.
請求項1記載の電動倍力装置において、前記待機状態検出手段により前記入力部材が待機状態にあることが検出されたときに、前記入力ストローク検出手段の出力値を記憶し、当該出力値に基づいて前記電動モータを制御することを特徴とする電動倍力装置。 2. The electric booster according to claim 1, wherein when the standby state detecting means detects that the input member is in a standby state, the output value of the input stroke detecting means is stored, and based on the output value. And an electric booster for controlling the electric motor. 請求項1記載の電動倍力装置において、前記待機状態検出手段により前記入力部材が待機状態にあることが検出されたときに、前記入力ストローク検出手段のゼロ点をゼロ点データとして記憶し、前記制御手段の作動期間において、前記待機状態検出手段により前記入力部材が待機状態にあることが検出される毎に、前記ゼロ点データを更新記憶する記憶手段と、を有し、
前記制御手段は、前記待機状態検出手段により前記入力部材が非待機状態にあることが検出されたとき、前記入力ストローク検出手段の検出値に代えて、当該入力ストローク検出手段の検出値から前記ゼロ点データを減算して得られる値に相当するゼロ点補正検出値を前記電動モータの制御に用いることを特徴とする電動倍力装置。
The electric booster according to claim 1, wherein when the standby state detecting means detects that the input member is in a standby state, the zero point of the input stroke detecting means is stored as zero point data, Storage means for updating and storing the zero point data each time the standby state detecting means detects that the input member is in a standby state during the operation period of the control means;
When the standby state detection unit detects that the input member is in a non-standby state, the control unit replaces the detection value of the input stroke detection unit with the detection value of the input stroke detection unit. An electric booster characterized in that a zero point correction detection value corresponding to a value obtained by subtracting point data is used for controlling the electric motor.
請求項3記載の電動倍力装置において、前記制御手段の起動時に、前記入力ストローク検出手段のゼロ点に相当する起動時ゼロ点を前記記憶手段に記憶し、前記起動時ゼロ点は、前記待機状態検出手段により前記入力部材が待機状態にあることが検出されるまで、前記ゼロ点補正検出値算出のための前記ゼロ点データとして用いられることを特徴とする電動倍力装置。 4. The electric booster according to claim 3, wherein a starting zero point corresponding to a zero point of the input stroke detecting means is stored in the storage means when the control means is started, and the starting zero point is the standby time. The electric booster is used as the zero point data for calculating the zero point correction detection value until it is detected by the state detection means that the input member is in a standby state. 請求項4記載の電動倍力装置において、前記制御手段の起動時に、前記待機状態検出手段により前記入力部材が非待機状態にあることが検出されたときに、前記入力ストローク検出手段の検出値に代えて、当該入力ストローク検出手段の検出値から前記制御手段の前回起動後の停止時における前記ゼロ点データを減算して得られる値に相当するゼロ点補正検出値を前記電動モータの制御に用いることを特徴とする電動倍力装置。 5. The electric booster according to claim 4, wherein when the control unit is activated, the detected value of the input stroke detection unit is detected when the standby state detection unit detects that the input member is in a non-standby state. Instead, a zero point correction detection value corresponding to a value obtained by subtracting the zero point data when the control unit is stopped after the previous activation from the detection value of the input stroke detection unit is used for controlling the electric motor. An electric booster characterized by that. 請求項3記載の電動倍力装置において、前記入力ストローク検出手段のゼロ点の記憶処理中に、前記待機状態検出手段により前記入力部材が非待機状態にあることが検出されたときに、前記入力ストローク検出手段の検出値に代えて、当該入力ストローク検出手段の検出値から前記制御手段の前回起動後の停止時における前記ゼロ点データを減算して得られる値に相当するゼロ点補正検出値を前記電動モータの制御に用いることを特徴とする電動倍力装置。 4. The electric booster according to claim 3, wherein when the standby state detecting unit detects that the input member is in a non-standby state during the zero point storing process of the input stroke detecting unit, the input is performed. Instead of the detection value of the stroke detection means, a zero point correction detection value corresponding to a value obtained by subtracting the zero point data at the time of stop after the previous start of the control means from the detection value of the input stroke detection means. An electric booster used for controlling the electric motor. ブレーキペダルの操作により進退移動する入力部材と、該入力部材の進退に応じて移動可能に配置されたアシスト部材と、該アシスト部材を進退移動させる電動モータと、をケーシング内に備え、前記ブレーキペダルによる前記入力部材の移動量を検出する入力ストローク検出手段を設け、制御手段が前記入力ストローク検出手段の検出値に基づいて前記電動モータを制御する電動倍力装置において、The brake pedal includes an input member that moves forward and backward by operation of a brake pedal, an assist member that is movably disposed in accordance with the advancement and retraction of the input member, and an electric motor that moves the assist member forward and backward. In the electric booster for providing the input stroke detection means for detecting the movement amount of the input member by the control means, the control means controls the electric motor based on the detection value of the input stroke detection means,
ドライバが前記ブレーキペダルを踏んでいないと判断するための信号を出力する待機状態検出手段を有することを特徴とする電動倍力装置。An electric booster comprising standby state detection means for outputting a signal for determining that the driver is not stepping on the brake pedal.
JP2008078324A 2008-03-25 2008-03-25 Electric booster Pending JP2009227230A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008078324A JP2009227230A (en) 2008-03-25 2008-03-25 Electric booster

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008078324A JP2009227230A (en) 2008-03-25 2008-03-25 Electric booster

Publications (2)

Publication Number Publication Date
JP2009227230A JP2009227230A (en) 2009-10-08
JP2009227230A5 true JP2009227230A5 (en) 2010-05-06

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JP2008078324A Pending JP2009227230A (en) 2008-03-25 2008-03-25 Electric booster

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5135311B2 (en) * 2009-09-30 2013-02-06 日立オートモティブシステムズ株式会社 Electric booster
JP5685791B2 (en) 2010-09-29 2015-03-18 日立オートモティブシステムズ株式会社 Booster
JP5569688B2 (en) * 2010-09-29 2014-08-13 日立オートモティブシステムズ株式会社 Brake device
JP2012096617A (en) * 2010-10-29 2012-05-24 Hitachi Automotive Systems Ltd Brake apparatus
JP5673028B2 (en) * 2010-11-29 2015-02-18 日産自動車株式会社 Electric brake control system
JP5641324B2 (en) * 2010-11-30 2014-12-17 日立オートモティブシステムズ株式会社 Brake control device
JP5950738B2 (en) * 2012-07-19 2016-07-13 本田技研工業株式会社 Braking force generator

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07277174A (en) * 1994-04-01 1995-10-24 Nippon Soken Inc Electronic control brake device
JPH08268243A (en) * 1995-03-31 1996-10-15 Sumitomo Electric Ind Ltd Zero point compensator of sensor for brake and method therefor
JP2002321611A (en) * 2001-04-26 2002-11-05 Bosch Braking Systems Co Ltd Electric brake booster
JP4007245B2 (en) * 2003-04-21 2007-11-14 日産自動車株式会社 Vehicle seat belt device
DE112006002550T5 (en) * 2005-09-26 2008-10-02 Hitachi, Ltd. Electrically operated amplifier

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