JP6313807B2 - 無段変速機の制御装置 - Google Patents
無段変速機の制御装置 Download PDFInfo
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- JP6313807B2 JP6313807B2 JP2016100140A JP2016100140A JP6313807B2 JP 6313807 B2 JP6313807 B2 JP 6313807B2 JP 2016100140 A JP2016100140 A JP 2016100140A JP 2016100140 A JP2016100140 A JP 2016100140A JP 6313807 B2 JP6313807 B2 JP 6313807B2
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- Prior art keywords
- continuously variable
- variable transmission
- speed
- vehicle
- driving force
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Classifications
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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
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- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
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- 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
- Y02T10/62—Hybrid vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Transmission Device (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Description
電子制御装置39がクルーズコントロール機能に関連して行う制御例1を、図2のフローチャートに基づいて説明する。図2のフローチャートで説明する制御は、主として、エンジン回転数及び無段変速機15の変速比、エンジントルクに関する。
制御例2は、図2のフローチャートのステップS5において、要求エンジン回転数を設定回転数で規制せず、かつ、無段変速機15のアップシフトに伴いエンジン11のトルクダウンを行うものである。図4は、制御例2に対応するタイムチャートである。時刻t3以前において一定のエンジントルクTe2に制御されていること以外は、図3のタイムチャートと同じである。時刻t3で、実際のエンジン回転数、無段変速機15の変速比、アクセル開度θ2等に基づいて、無段変速機15でアップシフトが開始され、実際のエンジン回転数は破線で示すように低下する。
11 エンジン
12 駆動輪
15 無段変速機
17 電子スロットルバルブ
18 インジェクタ
19 点火プラグ
38 油圧制御装置
39 電子制御装置
Claims (3)
- 車両の駆動輪に動力を伝達する駆動力源と、前記駆動力源と前記駆動輪との間に配置され、かつ、変速比を無段階に変更可能な無段変速機と、を有する無段変速機の制御装置であって、
前記車両の走行速度を予め定めた状態とする第1速度制御要求があると、前記駆動力源の実際の回転数を設定回転数に近づけるように、前記無段変速機の変速比を制御する第1制御部と、
前記第1制御部が前記第1速度制御要求に基づいて前記無段変速機の変速比を制御している際に、前記第1速度制御要求とは異なる第2速度制御要求が発生すると、前記駆動力源の実際の回転数及び前記無段変速機の変速比に基づいて、前記無段変速機の変速比を制御する第2制御部と、
前記第2制御部が前記無段変速機の変速比を制御して前記駆動力源の実際の回転数が変化する際に、前記駆動力源のトルクを、前記無段変速機の変速比の変更前における前記駆動力源のトルク、前記無段変速機の変速比の変更前における前記駆動力源の実際の回転数、及び前記駆動力源の目標回転数に基づいて変化させる第3制御部と、
を有する、無段変速機の制御装置。 - 請求項1記載の無段変速機の制御装置において、
前記第1速度制御要求は、前記車両の走行速度、または前記車両と先行車両との車間距離の少なくとも一方を、予め定めた状態とする要求を含み、
前記第2速度制御要求は、前記車両の走行速度を上昇させる要求を含む、無段変速機の制御装置。 - 請求項1または2記載の無段変速機の制御装置において、
前記第2制御部は、前記駆動力源の実際の回転数を前記設定回転数以下に低下させないように、前記無段変速機の変速比を小さくする制御を行い、
前記第3制御部は、前記駆動力源のトルクを、前記無段変速機のアップシフト前における前記駆動力源のトルク、前記無段変速機のアップシフト前における前記駆動力源の実際の回転数、前記駆動力源の目標回転数に基づいて減少させる、無段変速機の制御装置。
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CN201710265822.6A CN107401602B (zh) | 2016-05-19 | 2017-04-21 | 无级变速器的控制装置 |
US15/498,257 US10131351B2 (en) | 2016-05-19 | 2017-04-26 | Control device for continuously variable transmission |
DE102017109790.2A DE102017109790B4 (de) | 2016-05-19 | 2017-05-08 | Steuerung für ein kontinuierlich verstellbares Getriebe |
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US5217086A (en) * | 1987-08-19 | 1993-06-08 | Fuji Jukogyo Kabushiki Kaisha | Control system for a vehicle |
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JP4042488B2 (ja) * | 2002-07-24 | 2008-02-06 | 日産自動車株式会社 | Vベルト式無段変速機のスリップ防止装置 |
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