JP5386042B2 - 車両用ブレーキ装置及び車両用ブレーキ装置の制御方法 - Google Patents
車両用ブレーキ装置及び車両用ブレーキ装置の制御方法 Download PDFInfo
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- JP5386042B2 JP5386042B2 JP2012532915A JP2012532915A JP5386042B2 JP 5386042 B2 JP5386042 B2 JP 5386042B2 JP 2012532915 A JP2012532915 A JP 2012532915A JP 2012532915 A JP2012532915 A JP 2012532915A JP 5386042 B2 JP5386042 B2 JP 5386042B2
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- 238000000034 method Methods 0.000 title claims description 23
- 230000001172 regenerating effect Effects 0.000 claims description 200
- 239000012530 fluid Substances 0.000 claims description 25
- 230000008859 change Effects 0.000 description 12
- 230000007423 decrease Effects 0.000 description 9
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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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
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- 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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Description
サイクルは終了する。
図4は、最大回生ブレーキ力が一定である場合のタイミングチャートの例である。運転者要求ブレーキ力Fdrv、液圧ブレーキ力、回生ブレーキ力(回生ブレーキ指令値Fregenに対応)は、それぞれ、破線、一点鎖線、実線で示されている。
図5は、制動中に最大回生ブレーキ力が減少する場合のタイミングチャートの例である。図4と同様に、運転者要求ブレーキ力Fdrv、液圧ブレーキ力、回生ブレーキ力(回生ブレーキ指令値Fregenに対応)は、それぞれ、破線、一点鎖線、実線で示されている。
図6は、制動中に最大回生ブレーキ力が増加する場合のタイミングチャートの例である。図4及び図5と同様に、運転者要求ブレーキ力Fdrv、液圧ブレーキ力、回生ブレーキ力(回生ブレーキ指令値Fregenに対応)は、それぞれ、破線、一点鎖線、実線で示されている。
2 ストロークセンサ
3 倍力装置
4 マスタシリンダ
P1、P2 液圧ポート
MC1、MC2 ブレーキ管路
5 マスタシリンダ液圧センサ
10 液圧回路
11 回路制御弁
12 吸入弁
13 増圧弁
14 減圧弁
15 ポンプモータ
16 ポンプ
17 低圧アキュムレータ
Claims (12)
- 液圧ブレーキ力を発生させる液圧ブレーキ手段と、回生ブレーキ力を発生させる回生ブレーキ手段とを備え、運転者の要求ブレーキ力に対して液圧ブレーキ力と回生ブレーキ力の分配を行う車両用ブレーキ装置であって、前記液圧ブレーキ手段は、ホイールシリンダの液圧を減圧するための減圧弁を備えており、
運転者の要求ブレーキ力が回生ブレーキ力のみで賄われる間、前記減圧弁を開弁状態に維持する、液圧ブレーキ制御手段を備えており、
前記液圧ブレーキ制御手段は、前記ホイールシリンダに液圧が存在する時、前記減圧弁を開弁しない、車両用ブレーキ装置。 - 請求項1に記載の車両用ブレーキ装置であって、前記液圧ブレーキ手段は、前記減圧弁に連通するアキュムレータを備えており、前記減圧弁が開弁状態にある時、ブレーキ液が前記アキュムレータに収容されることを特徴とする、車両用ブレーキ装置。
- 請求項1又は2に記載の車両用ブレーキ装置であって、倍力装置と、回生ブレーキ力の発生を前記倍力装置のジャンプイン特性と関連付けて停止させる回生ブレーキ制御手段を備えることを特徴とする、車両用ブレーキ装置。
- 請求項3に記載の車両用ブレーキ装置であって、前記倍力装置のジャンプイン領域が終了する時点で、運転者の要求ブレーキ力が、液圧ブレーキ力のみで賄われていることを特徴とする、車両用ブレーキ装置。
- 請求項3に記載の車両用ブレーキ装置であって、前記倍力装置のジャンプイン領域が終了する時点で、回生ブレーキ力の値が実質的にゼロにされることを特徴とする、車両用ブレーキ装置。
- 請求項3に記載の車両用ブレーキ装置であって、前記回生ブレーキ制御手段は、ブレーキペダルの操作量に基づいて回生ブレーキ力の発生を停止させることを特徴とする、車両用ブレーキ装置。
- 液圧ブレーキ力を発生させる液圧ブレーキ手段と、回生ブレーキ力を発生させる回生ブレーキ手段とを備え、運転者の要求ブレーキ力に対して、液圧ブレーキ力と回生ブレーキ力の分配が行われる、車両用ブレーキ装置の制御方法であって、
前記液圧ブレーキ手段は、ホイールシリンダの液圧を減圧するための減圧弁を備えており、
運転者の要求ブレーキ力が回生ブレーキ力のみで賄われる間、前記減圧弁が開弁状態に維持され、
前記減圧弁は、前記ホイールシリンダに液圧が存在する時、開弁しない、制御方法。 - 請求項7に記載の制御方法であって、前記減圧弁は、アキュムレータに連通しており、前記減圧弁が開弁状態にある時、ブレーキ液が前記アキュムレータに収容されることを特徴とする、制御方法。
- 請求項7又は8に記載の制御方法であって、前記ブレーキ装置が倍力装置を備えており、回生ブレーキ力の発生が、前記倍力装置のジャンプイン特性と関連付けられて停止させられることを特徴とする、制御方法。
- 請求項9に記載の制御方法であって、前記倍力装置のジャンプイン領域が終了する時点で、運転者の要求ブレーキ力が、液圧ブレーキ力のみで賄われていることを特徴とする、
制御方法。 - 請求項9に記載の制御方法であって、前記倍力装置のジャンプイン領域が終了する時点で、回生ブレーキ力の値が実質的にゼロにされることを特徴とする、制御方法。
- 請求項9に記載の制御方法であって、ブレーキペダルの操作量に基づいて、回生ブレーキ力の発生が停止されることを特徴とする、制御方法。
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