JP6700735B2 - サスペンション装置 - Google Patents
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- JP6700735B2 JP6700735B2 JP2015226992A JP2015226992A JP6700735B2 JP 6700735 B2 JP6700735 B2 JP 6700735B2 JP 2015226992 A JP2015226992 A JP 2015226992A JP 2015226992 A JP2015226992 A JP 2015226992A JP 6700735 B2 JP6700735 B2 JP 6700735B2
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- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
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- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/016—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
- B60G17/0165—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input to an external condition, e.g. rough road surface, side wind
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- B60G17/016—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
- B60G17/0164—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input mainly during accelerating or braking
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- B60G17/0152—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit
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Description
以下、図に示した実施の形態に基づき、本発明を説明する。サスペンション装置Sは、図1から図3に示すように、伸縮可能なアクチュエータACと、ポンプ4と、アクチュエータACとポンプ4との間に設けられてポンプ4から吐出される液体をアクチュエータACへ供給してアクチュエータACを伸縮させる液圧回路FCと、ポンプ4を駆動制御するコントローラCとを備えて構成されている。
サスペンション装置Sの基本構成は、以上に説明したとおりである。以下では、具体的な液圧回路を備えたサスペンション装置の構成例を説明する。第一の実施の形態におけるサスペンション装置S1では、図8に示した液圧回路FC1を備えている。
具体的な液圧回路を備えたサスペンション装置の他の構成例を説明する。第二の実施の形態におけるサスペンション装置S2では、図12に示した液圧回路FC2を備えている。
具体的な液圧回路を備えたサスペンション装置の他の構成例を説明する。第三の実施の形態におけるサスペンション装置S3では、図16に示した液圧回路FC3を備えている。
Claims (11)
- 伸縮可能なアクチュエータと、
ポンプと、
前記アクチュエータと前記ポンプとの間に設けられて前記ポンプから吐出される液体を前記アクチュエータへ供給して前記アクチュエータを伸縮させる液圧回路と、
前記ポンプを駆動制御するコントローラとを備え、
前記コントローラは、車両に設置されて前記車両の前方路面における変位を検知するプレビューセンサと、前記プレビューセンサが検知する路面変位に基づいて路面の粗さの尺度である路面状態指標を求める路面状態指標取得部と、前記路面状態指標に基づいて前記ポンプの目標回転数を決定する目標回転数決定部とを有し、
前記目標回転数決定部は、前記路面状態指標の増加に対して段階的或いは比例的に前記目標回転数を増加させる
ことを特徴とするサスペンション装置。 - 前記コントローラは、前記プレビューセンサが検知する前記前方路面から前記車両の車輪までの距離を車速に基づいて決定するプレビュー位置決定部を備えた
ことを特徴とする請求項1に記載のサスペンション装置。 - 前記プレビュー位置決定部は、前記路面変位のサンプリング時間と前記ポンプの応答遅れ時間を加算した値に前記車速を乗じて前記距離を求める
ことを特徴とする請求項2に記載のサスペンション装置。 - 前記コントローラは、前記車両の車体の横方向加速度が横加速度閾値を超えるか、前記車両の車体の前後方向加速度が前後加速度閾値を超える場合、必要最低回転数を0を超える規定値に設定する最低回転数規制部を備え、
前記目標回転数決定部は、前記必要最低回転数に前記路面状態指標に基づいて得る加算回転数を加算して前記目標回転数を求める
ことを特徴とする請求項1から3のいずれか一項に記載のサスペンション装置。 - 前記最低回転数規制部は、前記車両の車体の横方向加速度が横加速度閾値以下であり、かつ、前記車両の車体の前後方向加速度が前後加速度閾値以下である場合、前記ポンプの必要最低回転数を0に設定する
ことを特徴とする請求項4に記載のサスペンション装置。 - 前記コントローラは、前記車速が速度閾値以下である場合、前記ポンプの目標回転数を0に設定するポンプ停止判断部を備えた
ことを特徴とする請求項1から5のいずれか一項に記載のサスペンション装置。 - リザーバを備え、
前記アクチュエータは、
シリンダと、
前記シリンダ内に移動自在に挿入されて前記シリンダ内を伸側室と圧側室とに区画するピストンと、
前記シリンダ内に移動自在に挿入されて前記ピストンに連結されるロッドを有し、
前記液圧回路は、
前記ポンプの吐出側に接続される供給路と、
前記リザーバに接続される排出路と、
前記伸側室に接続される伸側通路と、
前記圧側室に接続される圧側通路と、
前記伸側通路に設けた伸側減衰弁と、
前記圧側通路に設けた圧側減衰弁と、
前記伸側通路と前記圧側通路の一方を選択的に前記供給路に接続するとともに前記伸側通路と前記圧側通路の他方を前記排出路に接続する切換弁と、
供給電流に応じて前記供給路の圧力を調整可能な制御弁と、
前記供給路と前記排出路とを接続する吸込通路と、
前記吸込通路の途中に設けられて前記排出路から前記供給路へ向かう液体の流れのみを許容する吸込チェック弁と、
前記供給路の途中であって前記制御弁と前記ポンプとの間に設けられて前記ポンプ側から前記制御弁側へ向かう流れのみを許容する供給側チェック弁とを備えた
ことを特徴とする請求項1から6のいずれか一項に記載のサスペンション装置。 - リザーバを備え、
前記アクチュエータは、
シリンダと、
前記シリンダ内に移動自在に挿入されて前記シリンダ内を伸側室と圧側室とに区画するピストンと、
前記シリンダ内に移動自在に挿入されて前記ピストンに連結されるロッドを有し、
前記ポンプの吐出側に接続される供給路と、
前記リザーバに接続される排出路と、
前記伸側室に接続される伸側通路と、
前記圧側室に接続される圧側通路と、
前記伸側通路に設けた伸側減衰弁と、
前記圧側通路に設けた圧側減衰弁と、
前記供給路、前記排出路、前記伸側通路および前記圧側通路の間に設けられて、前記伸側通路と前記圧側通路の差圧を制御する差圧制御弁と、
前記供給路の途中であって前記差圧制御弁と前記ポンプとの間に設けられて前記ポンプ側から前記差圧制御弁側へ向かう流れのみを許容する供給側チェック弁と、
前記供給路の途中であって前記差圧制御弁と前記供給側チェック弁の間と前記排出路とを接続する吸込通路と、
前記吸込通路の途中に設けられて前記排出路から前記供給路へ向かう液体の流れのみを許容する吸込チェック弁とを備えた
ことを特徴とする請求項1から6のいずれか一項に記載のサスペンション装置。 - 前記差圧制御弁は、
前記伸側通路を前記供給路に接続するとともに前記圧側通路を前記排出路に接続する伸側供給ポジションと、前記伸側通路、前記圧側通路、前記供給路および前記排出路を互いに連通するニュートラルポジションと、前記圧側通路を前記供給路に接続するとともに前記伸側通路を前記排出路に接続する圧側供給ポジションの3位置を有するスプールと、
前記スプールを駆動するプッシュプル型のソレノイドと、
前記スプールを附勢してニュートラルポジションに位置決める一対のばねとを有する
ことを特徴とする請求項8に記載のサスペンション装置。 - 前記差圧制御弁は、
前記伸側通路を前記供給路に接続するとともに前記圧側通路を前記排出路に接続する伸側供給ポジションと、前記伸側通路、前記圧側通路、前記供給路および前記排出路を互いに連通するニュートラルポジションと、前記圧側通路を前記供給路に接続するとともに前記伸側通路を前記排出路に接続する圧側供給ポジションと、前記伸側通路、前記圧側通路、前記供給路および前記排出路を互いに連通するフェールポジションの4位置を有するスプールと、
前記スプールを駆動するソレノイドと、
前記スプールを附勢して、前記ソレノイドの非通電時に前記スプールをフェールポジションに位置決めるばねとを有する
ことを特徴とする請求項8に記載のサスペンション装置。 - 前記液圧回路は、
前記伸側通路に前記伸側減衰弁に並列に設けられて、前記切換弁或いは前記差圧制御弁から前記伸側室に向かう流れのみを許容する伸側チェック弁と、
前記圧側通路に前記圧側減衰弁に並列に設けられて、前記切換弁或いは前記差圧制御弁から前記圧側室に向かう流れのみを許容する圧側チェック弁とを備えた
ことを特徴とする請求項7から10のいずれか一項に記載のサスペンション装置。
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JP2015226992A JP6700735B2 (ja) | 2015-11-19 | 2015-11-19 | サスペンション装置 |
US15/775,279 US20180326810A1 (en) | 2015-11-19 | 2016-09-20 | Suspension device |
KR1020187011020A KR20180054784A (ko) | 2015-11-19 | 2016-09-20 | 서스펜션 장치 |
EP16866017.3A EP3378684A1 (en) | 2015-11-19 | 2016-09-20 | Suspension device |
PCT/JP2016/077662 WO2017086014A1 (ja) | 2015-11-19 | 2016-09-20 | サスペンション装置 |
CN201680066310.0A CN108349345A (zh) | 2015-11-19 | 2016-09-20 | 悬架装置 |
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JP7044010B2 (ja) * | 2018-08-10 | 2022-03-30 | 日産自動車株式会社 | サスペンション特性調整方法及びサスペンション特性調整装置 |
CN109677225B (zh) * | 2019-01-25 | 2020-10-27 | 中北大学 | 一种主/被动复合液压悬挂控制策略选择方法 |
DE102019107218B4 (de) * | 2019-03-21 | 2023-07-06 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Dämpfungsmodul für zwei Dämpfungsvorrichtungen an zwei Radträgern einer Achse eines Fahrzeugs |
JP7180640B2 (ja) * | 2020-06-10 | 2022-11-30 | トヨタ自動車株式会社 | 車両の制振制御装置、及び制振制御方法 |
CN111845241A (zh) * | 2020-07-31 | 2020-10-30 | 重庆交通职业学院 | 一种汽车的离地间隙自适应调节系统及控制方法 |
CN113236617B (zh) * | 2021-04-02 | 2022-02-11 | 燕山大学 | 一种液压主动悬挂流量控制系统 |
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JPH0788134B2 (ja) | 1987-01-16 | 1995-09-27 | 日産自動車株式会社 | 能動型サスペンシヨン装置 |
JP2503227B2 (ja) * | 1987-04-06 | 1996-06-05 | 日産自動車株式会社 | 車両用油圧供給装置 |
JP3062616B2 (ja) * | 1991-09-06 | 2000-07-12 | カヤバ工業株式会社 | アクティブサスペンションの油圧回路 |
JPH08258532A (ja) * | 1995-03-24 | 1996-10-08 | Mitsubishi Motors Corp | 減衰力制御装置 |
JP3633084B2 (ja) * | 1996-03-13 | 2005-03-30 | 日産自動車株式会社 | 能動型サスペンション |
JP2000233746A (ja) * | 1998-12-16 | 2000-08-29 | Nippon Sharyo Seizo Kaisha Ltd | 鉄道車両の振動抑制装置 |
JP3988704B2 (ja) * | 2003-09-26 | 2007-10-10 | アイシン・エィ・ダブリュ株式会社 | 車両のサスペンション制御システム及び制御方法 |
JP4737222B2 (ja) * | 2008-04-18 | 2011-07-27 | トヨタ自動車株式会社 | 車両用サスペンションシステム |
EP2156970A1 (en) * | 2008-08-12 | 2010-02-24 | Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO | Multi-point hydraulic suspension system for a land vehicle |
JP5402731B2 (ja) * | 2010-03-08 | 2014-01-29 | トヨタ自動車株式会社 | アクチュエータの作動制御装置 |
US9446652B2 (en) * | 2012-08-02 | 2016-09-20 | Toyota Jidosha Kabushiki Kaisha | Road surface state obtaining device and suspension system |
JP6243205B2 (ja) * | 2013-11-25 | 2017-12-06 | Kyb株式会社 | サスペンション装置 |
US10160281B2 (en) * | 2014-05-02 | 2018-12-25 | Ford Global Technologies, Llc | Road roughness preview with drive history |
JP6184372B2 (ja) | 2014-05-30 | 2017-08-23 | 株式会社沖データ | 露光装置及び画像形成装置 |
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US20180326810A1 (en) | 2018-11-15 |
WO2017086014A1 (ja) | 2017-05-26 |
CN108349345A (zh) | 2018-07-31 |
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