JP2018127118A - 全輪駆動車の制御装置 - Google Patents
全輪駆動車の制御装置 Download PDFInfo
- Publication number
- JP2018127118A JP2018127118A JP2017021873A JP2017021873A JP2018127118A JP 2018127118 A JP2018127118 A JP 2018127118A JP 2017021873 A JP2017021873 A JP 2017021873A JP 2017021873 A JP2017021873 A JP 2017021873A JP 2018127118 A JP2018127118 A JP 2018127118A
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- speed
- engine
- transfer clutch
- predetermined
- vehicle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/316—Other signal inputs not covered by the groups above
- F16D2500/3166—Detection of an elapsed period of time
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/70—Details about the implementation of the control system
- F16D2500/704—Output parameters from the control unit; Target parameters to be controlled
- F16D2500/70402—Actuator parameters
- F16D2500/70404—Force
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/70—Details about the implementation of the control system
- F16D2500/704—Output parameters from the control unit; Target parameters to be controlled
- F16D2500/70402—Actuator parameters
- F16D2500/70406—Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/36—Inputs being a function of speed
- F16H2059/366—Engine or motor speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/14—Inputs being a function of torque or torque demand
- F16H59/18—Inputs being a function of torque or torque demand dependent on the position of the accelerator pedal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/36—Inputs being a function of speed
- F16H59/44—Inputs being a function of speed dependent on machine speed of the machine, e.g. the vehicle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/50—Inputs being a function of the status of the machine, e.g. position of doors or safety belts
- F16H59/58—Inputs being a function of the status of the machine, e.g. position of doors or safety belts dependent on signals from the steering
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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- Engineering & Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Automation & Control Theory (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Control Of Transmission Device (AREA)
Abstract
【解決手段】トランスファクラッチ制御部71は、アクセルペダルの開度が所定開度未満となってから所定時間経過しており、車速が所定の速度範囲内であり、エンジン回転数とタービン回転数との偏差が所定回転数未満であり、かつステアリングホイール15の操舵角が第1所定角度以上である場合に、トランスファクラッチ41の油圧を下げるように電磁バルブ61を駆動する。アイドルアップ判定・要求部72は、ステアリングホイール15の操舵角が第2所定角度(>第1所定角度)以上である場合に、エンジン回転数がタービン回転数よりも高くなるようにアイドルアップ要求を出力する。
【選択図】 図1
Description
4 AWD車
10FL,10FR,10RL,10RR 車輪
11FL,11FR,11RL,11RR ブレーキ
12FL,12FR,12RL,12RR 車輪速センサ
15 ステアリングホイール
16 操舵角センサ
20 エンジン
22 トルクコンバータ
24 タービンランナ
26 ロックアップクラッチ
30 無段変速機
31 前後進切替機構
32 プライマリ軸
34 プライマリプーリ
35 セカンダリプーリ
36 チェーン
37 セカンダリ軸
38 リダクションギヤ
41 トランスファクラッチ
50 VDCU
60 コントロールバルブ(バルブボディ)
61 ソレノイドバルブ(デューティソレノイド)
70 TCU
71 トランスファクラッチ制御部
72 アイドルアップ判定・要求部
73 計時部
80 ECU
81 カム角センサ
82 クランク角センサ
83 スロットル開度センサ
84 アクセル開度センサ
85 電子制御式スロットルバルブ
91 油温センサ
92 出力軸回転センサ
93 レンジスイッチ
94 タービン回転センサ
100 CAN
Claims (13)
- 自動変速機から従駆動輪側の駆動系に伝達される駆動力を調節するトランスファクラッチと、
ステアリングホイールの操舵角を検出する操舵角検出手段と、
アクセルペダルの開度を検出するアクセル開度検出手段と、
車両の速度を検出する車速検出手段と、
エンジンの回転数を検出するエンジン回転数検出手段と、
トルクコンバータのタービン回転数を検出するタービン回転数検出手段と、
車両の運転状態に基づいて、電磁バルブを駆動して前記トランスファクラッチに供給する油圧を調節し、前記トランスファクラッチの締結力を制御するトランスファクラッチ制御手段と、を備え、
前記トランスファクラッチ制御手段は、前記アクセルペダルの開度が所定開度未満となってから所定時間経過しており、前記車両の速度が所定の速度範囲内であり、前記エンジンの回転数と前記タービン回転数との偏差が所定回転数未満であり、かつ、前記ステアリングホイールの操舵角が第1所定角度以上であるという条件が満足された場合に、当該条件が満足されていない場合よりも、前記トランスファクラッチの締結力を減少させるように油圧を制御することを特徴とする全輪駆動車の制御装置。 - 前記トランスファクラッチ制御手段は、前記トランスファクラッチの締結力を減少させるように油圧を制御する際に、該油圧の目標値を、前記ステアリングホイールの操舵角と前記車両の速度とに基づいて設定することを特徴とする請求項1に記載の全輪駆動車の制御装置。
- 前記アクセルペダルの開度が前記所定開度未満となってから前記所定時間経過しており、前記車両の速度が前記所定の速度範囲内であり、前記エンジンの回転数と前記タービン回転数との偏差が前記所定回転数未満であり、かつ、前記ステアリングホイールの操舵角が前記第1所定角度よりも大きい第2所定角度以上であるという第2条件が満足された場合に、前記エンジンの回転数が前記タービン回転数よりも高くなるように調節する制御手段をさらに備えることを特徴とする請求項1又は2に記載の全輪駆動車の制御装置。
- 前記制御手段は、前記エンジンの回転数を調節するエンジン制御手段であり、
前記エンジン制御手段は、前記第2条件が満足された場合に、前記エンジンの回転数が前記タービン回転数よりも高くなるように、前記エンジンの回転数を調節することを特徴とする請求項3に記載の全輪駆動車の制御装置。 - 前記エンジン制御手段は、前記エンジンの回転数を上昇させる際に、前記車両の速度が高くなるほど前記エンジンの回転数の上昇量を増大させることを特徴とする請求項4に記載の全輪駆動車の制御装置。
- 前記制御手段は、前記自動変速機の変速比を制御する変速比制御手段であり、
前記変速比制御手段は、前記第2条件が満足された場合に、前記エンジンの回転数が前記タービン回転数よりも高くなるように前記自動変速機の変速比を制御することを特徴とする請求項3に記載の全輪駆動車の制御装置。 - 前記トランスファクラッチ制御手段は、前記トランスファクラッチの締結力を減少させるように油圧を制御する際に、前記ステアリングホイールの操舵角が前記第1所定角度よりも大きい第2所定角度以上である場合には、前記操舵角が大きくなるほど前記トランスファクラッチの油圧の低減量を小さくすることを特徴とする請求項3〜6のいずれか1項に記載の全輪駆動車の制御装置。
- 前記トランスファクラッチ制御手段は、前記トランスファクラッチの締結力を減少させるように油圧を制御する処理を終了する際に、前記アクセルペダルの開度が大きいほど、前記トランスファクラッチの油圧の単位時間当たりの戻し量を増大させることを特徴とする請求項1〜7のいずれか1項に記載の全輪駆動車の制御装置。
- 自動変速機から従駆動輪側の駆動系に伝達される駆動力を調節するトランスファクラッチを備える全輪駆動車の制御装置において、
ステアリングホイールの操舵角を検出する操舵角検出手段と、
アクセルペダルの開度を検出するアクセル開度検出手段と、
車両の速度を検出する車速検出手段と、
エンジンの回転数を検出するエンジン回転数検出手段と、
トルクコンバータのタービン回転数を検出するタービン回転数検出手段と、
前記アクセルペダルの開度が所定開度未満となってから所定時間経過しており、前記車両の速度が所定の速度範囲内であり、前記エンジンの回転数と前記タービン回転数との偏差が所定回転数未満であり、かつ、前記ステアリングホイールの操舵角が第1所定角度以上であるという条件が満足された場合に、前記エンジンの回転数が前記タービン回転数よりも高くなるように調節する制御手段と、を備えることを特徴とする全輪駆動車の制御装置。 - 前記制御手段は、前記エンジンの回転数を調節するエンジン制御手段であり、
前記エンジン制御手段は、前記条件が満足された場合に、前記エンジンの回転数が前記タービン回転数よりも高くなるように、前記エンジンの回転数を調節することを特徴とする請求項9に記載の全輪駆動車の制御装置。 - 前記エンジン制御手段は、前記エンジンの回転数を上昇させる際に、前記車両の速度が高くなるほど前記エンジンの回転数の上昇量を増大させることを特徴とする請求項10に記載の全輪駆動車の制御装置。
- 前記制御手段は、前記自動変速機の変速比を制御する変速比制御手段であり、
前記変速比制御手段は、前記条件が満足された場合に、前記エンジンの回転数が前記タービン回転数よりも高くなるように前記自動変速機の変速比を制御することを特徴とする請求項9に記載の全輪駆動車の制御装置。 - 前記所定時間は、前記車両の速度が高くなるほど長く設定されることを特徴とする請求項1〜12のいずれか1項に記載の全輪駆動車の制御装置。
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WO2023223513A1 (ja) * | 2022-05-19 | 2023-11-23 | 株式会社ジェイテクト | 4輪駆動車両 |
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JP6521491B1 (ja) * | 2017-12-01 | 2019-05-29 | マツダ株式会社 | 車両の制御装置 |
JP2019127095A (ja) * | 2018-01-23 | 2019-08-01 | マツダ株式会社 | 車両の制御装置 |
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