JP2011021722A - 車両用無段変速機の制御装置 - Google Patents
車両用無段変速機の制御装置 Download PDFInfo
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- JP2011021722A JP2011021722A JP2009169181A JP2009169181A JP2011021722A JP 2011021722 A JP2011021722 A JP 2011021722A JP 2009169181 A JP2009169181 A JP 2009169181A JP 2009169181 A JP2009169181 A JP 2009169181A JP 2011021722 A JP2011021722 A JP 2011021722A
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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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/021—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings toothed gearing combined with continuous variable friction gearing
- F16H37/022—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings toothed gearing combined with continuous variable friction gearing the toothed gearing having orbital motion
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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
- F16H61/00—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
- F16H61/04—Smoothing ratio shift
- F16H61/06—Smoothing ratio shift by controlling rate of change of fluid pressure
- F16H61/061—Smoothing ratio shift by controlling rate of change of fluid pressure using electric control means
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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
- F16H61/00—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
- F16H61/66—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 specially adapted for continuously variable gearings
- F16H61/662—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 specially adapted for continuously variable gearings with endless flexible members
- F16H61/6625—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 specially adapted for continuously variable gearings with endless flexible members controlling shifting exclusively as a function of torque
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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
- F16H61/00—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
- F16H61/66—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 specially adapted for continuously variable gearings
- F16H61/662—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 specially adapted for continuously variable gearings with endless flexible members
- F16H61/66254—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 specially adapted for continuously variable gearings with endless flexible members controlling of shifting being influenced by a signal derived from the engine and the main coupling
- F16H61/66259—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 specially adapted for continuously variable gearings with endless flexible members controlling of shifting being influenced by a signal derived from the engine and the main coupling using electrical or electronical sensing or control means
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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
- F16H61/00—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
- F16H61/70—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 specially adapted for change-speed gearing in group arrangement, i.e. with separate change-speed gear trains arranged in series, e.g. range or overdrive-type gearing arrangements
- F16H61/702—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 specially adapted for change-speed gearing in group arrangement, i.e. with separate change-speed gear trains arranged in series, e.g. range or overdrive-type gearing arrangements using electric or electrohydraulic control means
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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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/021—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings toothed gearing combined with continuous variable friction gearing
- F16H2037/023—CVT's provided with at least two forward and one reverse ratio in a serial arranged sub-transmission
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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
- F16H59/14—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
- F16H2059/186—Coasting
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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
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
- F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
- F16H9/12—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members
- F16H9/16—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts
- F16H9/18—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts only one flange of each pulley being adjustable
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Control Of Transmission Device (AREA)
- Transmission Devices (AREA)
Abstract
【解決手段】車両用無段変速機の制御装置であって、車両の運転状態に基づいて達成すべき無段変速機構20及び前副変速機構30の全体の変速比を到達変速比として設定する到達変速比設定手段と、全体の変速比が前記到達変速比となるように無段変速機構20の変速比及び副変速機構30の変速段の一方又は双方を制御する変速制御手段と、車両用無段変速機に入力されるトルクが負トルクのときに副変速機構30の変速段を第1変速段から第2変速段に変更する過程で実施されるイナーシャフェーズ中に、副変速機構20の解放側摩擦締結要素のトルク容量を略ゼロに制御するトルク容量制御手段と、を備える。
【選択図】図4
Description
図1は本発明の第1実施形態による無段変速機を搭載した車両の概略構成図である。この車両は動力源としてエンジン1を備える。エンジン1の出力回転は、ロックアップクラッチ付きトルクコンバータ2、第1ギヤ列3、無段変速機(以下「変速機」という。)4、第2ギヤ列5、終減速装置6を介して駆動輪7へと伝達される。第2ギヤ列5には駐車時に変速機4の出力軸を機械的に回転不能にロックするパーキング機構8が設けられる。
次に、本発明の第2実施形態について説明する。本発明の第2実施形態は、高車速パワーOFFアップシフトのイナーシャフェーズ後半で締結側の摩擦締結要素の油圧を締結初期圧から増大させる点で第1実施形態と相違する。以下、その相違点について説明する。なお、以下に示す各実施形態では前述した実施形態と同様の機能を果たす部分には、同一の符号を用いて重複する説明を適宜省略する。
但し、実変速比=副変速機構入力軸回転速度/副変速機構入力軸回転速度
次に、本発明の第3実施形態について説明する。本発明の第3実施形態は、高車速パワーOFFアップシフト時に、バリエータ20の変速比vRatioが最High変速比になったときは、バリエータ20の変速比vRatioが最High変速比に固定する点で第1及び第2実施形態と相違する。以下、その相違点について説明する。なお、以下に示す各実施形態では前述した実施形態と同様の機能を果たす部分には、同一の符号を用いて重複する説明を適宜省略する。
20 ベルト式無段変速機構
30 副変速機構
Claims (6)
- 変速比を無段階に変更することができる無段変速機構と、
前記無段変速機構に対して直列に設けられ、前進用変速段として第1変速段とこの第1変速段よりも変速比の小さな第2変速段とを含み、複数の摩擦締結要素を選択的に締結又は解放することで前記第1変速段と前記第2変速段とを切り換える副変速機構と、
を備える車両用無段変速機の制御装置であって、
車両の運転状態に基づいて達成すべき前記無段変速機構及び前記副変速機構の全体の変速比を到達変速比として設定する到達変速比設定手段と、
前記全体の変速比が前記到達変速比となるように前記無段変速機構の変速比及び前記副変速機構の変速段の一方又は双方を制御する変速制御手段と、
前記車両用無段変速機に入力されるトルクが負トルクのときに前記副変速機構の変速段を前記第1変速段から前記第2変速段に変更する過程で実施されるイナーシャフェーズ中に、前記副変速機構の解放側摩擦締結要素のトルク容量を略ゼロに制御するトルク容量制御手段と、
を備えることを特徴とする車両用無段変速機の制御装置。 - 前記トルク容量制御手段は、
車速が、解放側摩擦締結要素のトルク容量をトルク伝達可能な容量に制御したときに解放側摩擦締結要素の発熱量が問題となる所定車速以上のときに実施される
ことを特徴とする請求項1に記載の車両用無段変速機の制御装置。 - 車速が前記所定車速よりも低いときは、前記イナーシャフェーズ中に、解放側摩擦締結要素のトルク容量をトルク伝達可能な容量に制御して前記副変速機構の入力軸回転速度の変化速度を調整するとともに、その変化速度に応じて前記無段変速機構の変速比を変速比大側に変更する
ことを特徴とする請求項2に記載の車両用無段変速機の制御装置。 - 前記所定車速は、
変速マップ上において、前記無段変速機構の変速比を最小にし、かつ、前記副変速機構の変速段を最高変速段にしたときに得られる高速モード最High線と、コースト走行時の到達変速比を示したコースト線と、が交わる点の車速である
ことを特徴とする請求項2又は3に記載の車両用無段変速機の制御装置。 - 前記イナーシャフェーズ中の前記副変速機構の変速比の移行率を算出する変速比移行率算出手段と、
前記副変速機構の変速比の移行率に基づいて、締結側摩擦締結要素のトルク容量を増量補正する補正手段と、
を備えることを特徴とする請求項1から4までのいずれか1つに記載の車両用無段変速機の制御装置。 - 前記イナーシャフェーズ中に前記無段変速機構の変速比が最High変速比に到達したときは、その無段変速機構の変速比を最High変速比に固定する
ことを特徴とする請求項1から5までのいずれか1つに記載の車両用無段変速機の制御装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009169181A JP4790834B2 (ja) | 2009-07-17 | 2009-07-17 | 車両用無段変速機の制御装置 |
EP10169587A EP2275715B1 (en) | 2009-07-17 | 2010-07-15 | Control device and control method for vehicle continuously variable transmission |
US12/837,133 US8585542B2 (en) | 2009-07-17 | 2010-07-15 | Control of and control method for vehicle continuously variable transmission |
KR1020100068925A KR101740048B1 (ko) | 2009-07-17 | 2010-07-16 | 차량용 무단 변속기의 제어 장치 |
CN201010233428.2A CN101956822B (zh) | 2009-07-17 | 2010-07-19 | 车辆用可连续变化的变速器的控制器和控制方法 |
Applications Claiming Priority (1)
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JP2009169181A JP4790834B2 (ja) | 2009-07-17 | 2009-07-17 | 車両用無段変速機の制御装置 |
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JP2011021722A true JP2011021722A (ja) | 2011-02-03 |
JP4790834B2 JP4790834B2 (ja) | 2011-10-12 |
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JP2009169181A Active JP4790834B2 (ja) | 2009-07-17 | 2009-07-17 | 車両用無段変速機の制御装置 |
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Country | Link |
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US (1) | US8585542B2 (ja) |
EP (1) | EP2275715B1 (ja) |
JP (1) | JP4790834B2 (ja) |
KR (1) | KR101740048B1 (ja) |
CN (1) | CN101956822B (ja) |
Cited By (3)
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WO2013031408A1 (ja) * | 2011-08-30 | 2013-03-07 | ジヤトコ株式会社 | 車両制御装置 |
CN103742278A (zh) * | 2013-12-20 | 2014-04-23 | 联合汽车电子有限公司 | 挡位切换时的发动机转速控制系统以及方法 |
WO2015045964A1 (ja) * | 2013-09-25 | 2015-04-02 | ジヤトコ株式会社 | 自動変速機の制御装置及び制御方法 |
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JP4572957B2 (ja) * | 2008-06-03 | 2010-11-04 | トヨタ自動車株式会社 | 車両の変速制御装置 |
JP4660584B2 (ja) * | 2008-09-25 | 2011-03-30 | ジヤトコ株式会社 | 無段変速機及びその変速制御方法 |
JP4852130B2 (ja) * | 2009-07-17 | 2012-01-11 | 日産自動車株式会社 | 車両用無段変速機の制御装置 |
US8862351B2 (en) * | 2012-05-31 | 2014-10-14 | Caterpillar Inc. | System and method for controlling shift hunting in variable transmissions |
KR101684206B1 (ko) * | 2013-05-30 | 2016-12-07 | 쟈트코 가부시키가이샤 | 변속기 및 변속기의 제어 방법 |
WO2015053073A1 (ja) | 2013-10-08 | 2015-04-16 | ジヤトコ株式会社 | 副変速機付き無段変速機の制御装置 |
EP3056773A4 (en) * | 2013-10-08 | 2017-01-25 | Jatco Ltd | Control device for continuously variable transmission equipped with auxiliary transmission |
US9188222B2 (en) * | 2014-04-10 | 2015-11-17 | GM Global Technology Operations LLC | Negative torque upshift control |
CN107110343B (zh) * | 2015-02-06 | 2019-02-19 | 日产自动车株式会社 | 自动变速机的控制装置 |
JP2018519478A (ja) * | 2015-05-08 | 2018-07-19 | ダナ リミテッド | 連続可変遊星機構を備えるトランスミッションの同期シフトのための制御方法 |
US9777835B2 (en) | 2015-07-06 | 2017-10-03 | Toyota Motor Engineering & Manufacturing North America, Inc. | System and method for determining whether a CVT is set to a maximum gear ratio at vehicle startup |
KR102000891B1 (ko) * | 2015-09-09 | 2019-07-16 | 쟈트코 가부시키가이샤 | 차량용 무단 변속 기구의 제어 장치 및 제어 방법 |
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CN101956822A (zh) | 2011-01-26 |
CN101956822B (zh) | 2014-09-17 |
EP2275715B1 (en) | 2013-03-20 |
US8585542B2 (en) | 2013-11-19 |
KR101740048B1 (ko) | 2017-05-25 |
US20110015839A1 (en) | 2011-01-20 |
JP4790834B2 (ja) | 2011-10-12 |
EP2275715A1 (en) | 2011-01-19 |
KR20110007975A (ko) | 2011-01-25 |
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