JP2013006529A - 車両用ブレーキ装置 - Google Patents
車両用ブレーキ装置 Download PDFInfo
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- B60L7/14—Dynamic electric regenerative braking for vehicles propelled by ac motors
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- B60L7/10—Dynamic electric regenerative braking
- B60L7/18—Controlling the braking effect
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- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/24—Electrodynamic brake systems for vehicles in general with additional mechanical or electromagnetic braking
- B60L7/26—Controlling the braking effect
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- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/10—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels by utilising wheel movement for accumulating energy, e.g. driving air compressors
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- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/58—Combined or convertible systems
- B60T13/585—Combined or convertible systems comprising friction brakes and retarders
- B60T13/586—Combined or convertible systems comprising friction brakes and retarders the retarders being of the electric type
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- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/662—Electrical control in fluid-pressure brake systems characterised by specified functions of the control system components
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- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/421—Speed
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- B60L2250/00—Driver interactions
- B60L2250/26—Driver interactions by pedal actuation
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- B60L2270/00—Problem solutions or means not otherwise provided for
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- B60T2270/00—Further aspects of brake control systems not otherwise provided for
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Abstract
【解決手段】ブレーキ操作に応じた制動力を得るための制御液圧の変化量から液圧ポンプ37,47の吐出流量を求め、求めた液圧ポンプ37,47の吐出流量に液圧制御弁31,41が正常に作動可能なリリーフ流量を加算することで、必要最小限の液圧ポンプ37,47の吐出流量を求めている。液圧ポンプ37,47は電気モータMにより駆動されるので、求めた必要最小限の液圧ポンプ37,47の吐出流量は、電気モータMの最低必要回転数に相当する。よって、必要制御液圧に達した後は、電気モータMの回転数を高回転から低回転に低減させることができるので、電気モータMの耐久性を向上させることができる。
【選択図】図4
Description
Claims (5)
- ブレーキ操作に応じたマスタシリンダ液圧を発生するマスタシリンダ(23)と、
各車輪(FL,FR,RL,RR)に設けられ、ホイールシリンダ(WC1,WC2,WC3,WC4)に前記マスタシリンダからブレーキ液が供給されることによって前記車輪に制動力を付与する車輪ブレーキ装置(22,23,24)と、
前記マスタシリンダと前記ホイールシリンダとの間に接続された液圧制御弁(31,41)と、
前記液圧制御弁と前記ホイールシリンダとの間に吐出ポートが連通され、前記マスタシリンダと前記液圧制御弁との間に吸入ポートが連通された液圧ポンプ(37,47)と、
前記液圧ポンプを駆動する電気モータ(M)と、
前記ホイールシリンダに生じるホイールシリンダ液圧が前記マスタシリンダ液圧より高くなるように前記マスタシリンダ液圧に加算される制御液圧を設定する制御液圧設定手段と、
前記電気モータを目標回転数で回転させて前記液圧ポンプから前記液圧制御弁の作動に必要なリリーフ流量のブレーキ液を前記液圧制御弁に循環させるとともに、前記液圧制御弁に制御電流を印加することによって、前記液圧制御弁に前記制御液圧を発生させる制御液圧発生装置(31,41,37,47)と、
前記制御液圧の変化に基づいて前記ホイールシリンダに供給されるブレーキ液量と前記リリーフ流量とに基づいてポンプ必要吐出流量を演算し、そのポンプ必要吐出流量に基づいて前記電気モータの目標回転数を設定する目標回転数設定手段と、
を備える車両用ブレーキ装置。 - 請求項1において、
回生制動力を前記車輪に発生させる回生ブレーキ装置(12,16,17)と、
前記ブレーキ操作量に応じた要求制動力を演算する要求制動力演算手段と、
前記マスタシリンダ液圧によって発生する基礎液圧制動力を演算する基礎液圧制動力演算手段と、
前記要求制動力から前記基礎液圧制動力を減算して要求回生制動力を演算する要求回生制動力演算手段と、を備え、
前記制御液圧設定手段は、前記要求回生制動力と前記回生ブレーキ装置が現在発生可能な現回生制動力との差に基づいて前記制御液圧を設定する車両用ブレーキ装置。 - 請求項1又は2において、
前記目標回転数設定手段は、前記目標回転数を前記ポンプ必要吐出流量に相当する必要モータ回転数と前記電気モータがストールしない最低必要回転数とのうち大きい方に設定する車両用ブレーキ装置。 - 請求項3において、
前記目標回転数設定手段は、前記最低必要回転数を前記液圧ポンプにかかる負荷に基づいて設定する車両用ブレーキ装置。 - 請求項3において、
前記目標回転数設定手段が、前記最低必要回転数を前記目標回転数として設定した場合に、前記最低必要回転数から算出したポンプ吐出量から前記ホイールシリンダに供給されるブレーキ液量を差し引いた液圧制御弁通過流量と、該液圧制御弁通過流量毎に異なる前記印加電流と前記制御液圧との相関関係とに基づいて目標となる前記制御液圧が得られる電流値を演算して前記液圧制御弁への印加電流を制御する制御手段を備えた車両用ブレーキ装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011140894A JP5866817B2 (ja) | 2011-06-24 | 2011-06-24 | 車両用ブレーキ装置 |
CN201210214541.5A CN102837687B (zh) | 2011-06-24 | 2012-06-25 | 车辆用制动装置 |
US13/532,563 US8777336B2 (en) | 2011-06-24 | 2012-06-25 | Brake apparatus for vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011140894A JP5866817B2 (ja) | 2011-06-24 | 2011-06-24 | 車両用ブレーキ装置 |
Publications (2)
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JP2015202725A (ja) * | 2014-04-11 | 2015-11-16 | 株式会社デンソー | 車両用ブレーキ装置 |
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JP5708295B2 (ja) * | 2011-06-24 | 2015-04-30 | 株式会社アドヴィックス | 車両用ブレーキ装置 |
CN103303280B (zh) * | 2013-06-09 | 2016-12-28 | 江苏自强环保科技有限公司 | 移动式机械液压制动方法 |
JP6069149B2 (ja) * | 2013-09-19 | 2017-02-01 | 日立オートモティブシステムズ株式会社 | ブレーキ制御装置 |
JP2017509291A (ja) * | 2014-01-10 | 2017-03-30 | ゼネラル・エレクトリック・カンパニイ | 制御システム、および車両のための方法 |
CN104590224A (zh) * | 2014-11-27 | 2015-05-06 | 天津博信汽车零部件有限公司 | 车辆的控制方法、***及车辆 |
JP6447399B2 (ja) * | 2015-07-24 | 2019-01-09 | 株式会社アドヴィックス | 車両用ブレーキ装置 |
GB201513549D0 (en) * | 2015-07-31 | 2015-09-16 | Siemens Ag | Inverter |
CN108290557A (zh) * | 2015-09-12 | 2018-07-17 | 通用汽车环球科技运作有限责任公司 | 具有电动驻车制动器的车辆 |
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JP6648739B2 (ja) | 2017-03-31 | 2020-02-14 | 株式会社アドヴィックス | 車両の制動制御装置 |
DE102018203623A1 (de) * | 2018-03-09 | 2019-09-12 | Zf Friedrichshafen Ag | Antrieb für eine Arbeitsmaschine |
US10913435B2 (en) * | 2018-09-28 | 2021-02-09 | Goodrich Corporation | Hydraulic braking system and method |
CN111071286B (zh) * | 2018-10-19 | 2021-03-19 | 中车唐山机车车辆有限公司 | 一种微轨车辆及其制动***和制动方法 |
DE102019210563B3 (de) * | 2019-07-17 | 2021-01-21 | Audi Ag | Fahrzeug-Bremssystem sowie Verfahren zum Betreiben eines Fahrzeug-Bremssystems |
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CN113002318B (zh) * | 2019-12-19 | 2022-09-16 | 中车时代电动汽车股份有限公司 | 一种机电双源辅驱电机***的控制方法及控制装置 |
CN113771817B (zh) * | 2021-09-14 | 2022-11-25 | 中国北方车辆研究所 | 一种电动泵控缸制动***中电机转速的控制方法 |
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