JP2017166522A - 駆動力伝達装置の制御装置及び制御方法 - Google Patents
駆動力伝達装置の制御装置及び制御方法 Download PDFInfo
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- F16D25/0638—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
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Abstract
Description
本発明の第1の実施の形態について、図1乃至図6を参照して説明する。なお、以下に説明する実施の形態は、本発明を実施する上での好適な具体例として示すものであり、技術的に好ましい種々の技術的事項を具体的に例示している部分もあるが、本発明の技術的範囲は、この具体的態様に限定されるものではない。
四輪駆動車200は、走行用の駆動力を発生させる駆動源としてのエンジン202と、トランスミッション203と、左右一対の主駆動輪としての前輪204L,204Rと、左右一対の補助駆動輪としての後輪205L,205Rと、エンジン202の駆動力を前輪204L,204R及び後輪205L,205Rに伝達可能な駆動力伝達系201と、駆動力伝達系201の駆動力伝達装置1(後述)を制御する制御装置3とを備えている。なお、本実施の形態において、各符号における「L」及び「R」は、車両の前進方向に対する左側及び右側の意味で使用している。
駆動力伝達装置1は、図1に示すように、プロペラシャフト21から駆動力が伝達される後輪側の歯車機構11と、この歯車機構11によって伝達された駆動力を調整してアクスルシャフト207L,207Rに伝達する第1及び第2の摩擦クラッチ12A,12Bと、第1及び第2の摩擦クラッチ12A,12B及び歯車機構11を収容するハウジング13と、第1及び第2の摩擦クラッチ12A,12Bを作動させるための電動モータ30、油圧ポンプ40、及び油圧回路4とを備える。
図7は、第1の実施の形態の変形例に係る制御装置3及び油圧回路4の構成を模式的に示す構成図である。
次に、本発明の第2の実施の形態について、図8乃至図10を参照して説明する。
以上、本発明を上記第1及び第2実施の形態に基づいて説明したが、本発明はこれらの実施の形態に限定されるものではなく、本発明の趣旨を逸脱しない範囲で適宜変形して実施することが可能である。
120…クラッチハウジング(回転部材)
120b…受け部
121…インナシャフト(回転部材)
122…ピストン
123…押圧部材
124…アウタクラッチプレート(摩擦部材)
125…インナクラッチプレート(摩擦部材)
12A…第1の摩擦クラッチ
12B…第2の摩擦クラッチ
3…制御装置
30…電動モータ
32…目標電流演算手段
34…補正手段
36…電磁弁制御手段
4…油圧回路
40…油圧ポンプ
41…第1の配管
42…第2の配管
43…第1の電磁弁
44…第2の電磁弁
5…駆動力伝達装置
53…外側回転部材(回転部材)
532…底部(受け部)
54…内側回転部材(回転部材)
6…電動モータ
7…カム機構
71…カム部材
72…リテーナ(移動部材)
723…押圧部材
8…摩擦クラッチ
81…アウタクラッチプレート(摩擦部材)
82…インナクラッチプレート(摩擦部材)
Claims (9)
- 電動モータと、前記電動モータの回転力を軸方向の押圧力に変換する押圧機構と、前記押圧機構によって変換された前記押圧力によって互いに摩擦係合する複数の摩擦部材を有する摩擦クラッチとを備え、前記摩擦クラッチによって一対の回転部材間で駆動力を伝達する駆動力伝達装置を制御する駆動力伝達装置の制御装置であって、
前記電動モータに供給すべき目標電流を演算する目標電流演算手段と、
前記目標電流と前記電動モータに供給される実電流との偏差を小さくするように前記電動モータへの印加電圧を補正する補正手段と有し、
前記補正手段は、前記電動モータの前記実電流によって前記印加電圧の補正量を増減させる、
駆動力伝達装置の制御装置。 - 前記補正手段は、前記電動モータの前記実電流が小さいほど前記印加電圧の補正量を大きくする、
請求項1に記載の駆動力伝達装置の制御装置。 - 前記押圧機構は、軸方向に移動して前記摩擦クラッチを押圧する押圧部材を有し、
前記一対の回転部材のうち一方の回転部材には、前記押圧機構の前記押圧力を前記摩擦クラッチを介して受ける受け部が設けられ、
前記補正手段は、前記押圧部材と前記受け部との間の距離が長いほど、前記印加電圧の補正量を大きくする、
請求項1又は2に記載の駆動力伝達装置の制御装置。 - 前記摩擦クラッチは、前記一対の回転部材のうち一方の回転部材に相対回転不能に連結された摩擦部材と、他方の回転部材に相対回転不能に連結された摩擦部材とを有し、
前記補正手段は、前記摩擦部材間に隙間がある場合に、前記摩擦部材間に隙間がない場合よりも前記印加電圧の補正量を大きくする、
請求項1又は2に記載の駆動力伝達装置の制御装置。 - 前記補正手段は、前記電動モータの前記実電流に応じてフィードバック制御のゲインを増減させる、
請求項1乃至4の何れか1項に記載の駆動力伝達装置の制御装置。 - 前記押圧機構は、前記電動モータにより駆動されて作動流体を吐出するポンプと、前記作動流体が供給されるシリンダに収容されたピストンとを有し、
前記シリンダ内を前記ピストンが移動することで前記摩擦クラッチに前記押圧力が付与される、
請求項1乃至5の何れか1項に記載の駆動力伝達装置の制御装置。 - 前記押圧機構は、前記ポンプと前記シリンダとの間の配管に設けられ、前記作動流体の圧力を調節する電磁弁を有し、
前記電磁弁を制御する電磁弁制御手段をさらに備えた、
請求項6に記載の駆動力伝達装置の制御装置。 - 前記押圧機構は、前記電動モータの回転力によって回転するカム部材と、前記カム部材の回転により軸方向に移動する移動部材とを有する、
請求項1乃至5の何れか1項に記載の駆動力伝達装置の制御装置。 - 電動モータと、前記電動モータの回転力を軸方向の押圧力に変換する押圧機構と、前記押圧機構によって変換された前記押圧力によって互いに摩擦係合する複数の摩擦部材を有する摩擦クラッチとを備え、前記摩擦クラッチによって一対の回転部材間で駆動力を伝達する駆動力伝達装置を制御する駆動力伝達装置の制御方法であって、
前記電動モータに供給すべき目標電流を演算し、
前記目標電流と前記電動モータに供給される実電流との偏差を小さくするように前記電動モータへの印加電圧を補正し、
前記印加電圧を補正する際、前記電動モータの前記実電流によって前記印加電圧の補正量を増減させる、
駆動力伝達装置の制御方法。
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CN110405462B (zh) * | 2019-07-31 | 2020-04-21 | 无锡仓佑汽车配件有限公司 | 一种用于汽车双离合变速器驱动盘毂的自动校正装置 |
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