JP6853139B2 - 車両の制御装置 - Google Patents
車両の制御装置 Download PDFInfo
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- JP6853139B2 JP6853139B2 JP2017153720A JP2017153720A JP6853139B2 JP 6853139 B2 JP6853139 B2 JP 6853139B2 JP 2017153720 A JP2017153720 A JP 2017153720A JP 2017153720 A JP2017153720 A JP 2017153720A JP 6853139 B2 JP6853139 B2 JP 6853139B2
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- gear stage
- engaging
- torque
- vehicle speed
- control
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
- F16H3/727—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path
-
- 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
- Y02T10/62—Hybrid vehicles
-
- 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
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- General Engineering & Computer Science (AREA)
- Hybrid Electric Vehicles (AREA)
- Control Of Transmission Device (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Description
また、第8の発明の要旨とするところは、(a)動力源として機能する回転機と、前記回転機と駆動輪との間の動力伝達経路の一部を構成すると共に複数の係合装置のうちの何れかの係合装置の係合によって複数のギヤ段のうちの何れかのギヤ段が形成される自動変速機とを備えた車両の、制御装置であって、(b)前記複数のギヤ段のうちの前進用の低車速側ギヤ段が形成された状態で、前進走行時とは正負が反対となる回転にて前進用の回転機トルクとは正負が反対となる後進用の回転機トルクを前記回転機から出力させることで後進走行を行う走行制御部と、(c)前記前進用の低車速側ギヤ段を形成する過渡中に前記後進走行への切替えが要求された場合には、前記複数の係合装置のうちの前記低車速側ギヤ段の形成過渡において係合に向けて制御される係合側係合装置の制御状態に応じて、前記低車速側ギヤ段の形成を促進する制御を行うギヤ段形成制御部と、を含んでおり、(d)前記ギヤ段形成制御部は、前記回転機からの前記後進用の回転機トルクの出力を制限することで、前記低車速側ギヤ段の形成を促進する制御を行うことにある。
また、前記第8の発明によれば、前進用の低車速側ギヤ段を形成する過渡中に後進走行への切替えが要求された場合には、係合側係合装置の制御状態に応じてその低車速側ギヤ段の形成を促進する制御が行われるので、前進用の低車速側ギヤ段が形成され易くされる。よって、前進用の低車速側ギヤ段を形成する過渡中に後進走行への切替えが要求された際に、後進用の駆動力の発生遅れを抑制することができる。又、低車速側ギヤ段の形成を促進する制御は係合側係合装置の制御状態に応じた制御であるので、低車速側ギヤ段の形成が過剰に促進されることが抑制されてショックの発生が抑制される。又、回転機からの後進用の回転機トルクの出力が制限されることで低車速側ギヤ段の形成を促進する制御が行われるので、自動変速機の入力回転速度が前進用の低車速側ギヤ段における同期回転速度に近づき難くされる作用が抑制されて、前進用の低車速側ギヤ段が形成され易くされる。
14:エンジン
18:電気式無段変速部(電気式変速機構)
20:機械式有段変速部(自動変速機)
28:駆動輪
30:中間伝達部材(電気式変速機構の出力回転部材)
32:差動機構
80:電子制御装置(制御装置)
82:ATギヤ段形成制御部(ギヤ段形成制御部)
84:走行制御部
CB:係合装置
MG1:第1回転機
MG2:第2回転機(回転機)
100:車両
110:自動変速機
116:駆動輪
122:制御装置
C:係合装置
MG:回転機
Claims (9)
- 動力源として機能する回転機と、前記回転機と駆動輪との間の動力伝達経路の一部を構成すると共に複数の係合装置のうちの何れかの係合装置の係合によって複数のギヤ段のうちの何れかのギヤ段が形成される自動変速機とを備えた車両の、制御装置であって、
前記複数のギヤ段のうちの前進用の低車速側ギヤ段が形成された状態で、前進走行時とは正負が反対となる回転にて前進用の回転機トルクとは正負が反対となる後進用の回転機トルクを前記回転機から出力させることで後進走行を行う走行制御部と、
前記前進用の低車速側ギヤ段を形成する過渡中に前記後進走行への切替えが要求された場合には、前記複数の係合装置のうちの前記低車速側ギヤ段の形成過渡において係合に向けて制御される係合側係合装置の制御状態に応じて、前記低車速側ギヤ段の形成を促進する制御を行うギヤ段形成制御部と、
を含んでおり、
前記ギヤ段形成制御部は、前記係合側係合装置の係合圧を高くする補正を行うことで、前記低車速側ギヤ段の形成を促進する制御を行うことを特徴とする車両の制御装置。 - 前記係合側係合装置の制御状態は、前記後進走行への切替えが要求された時点での前記係合側係合装置の係合圧であり、
前記ギヤ段形成制御部は、前記後進走行への切替えが要求された時点での前記係合側係合装置の係合圧が低い程、前記係合側係合装置の係合圧を高くするときの補正量を大きくすることを特徴とする請求項1に記載の車両の制御装置。 - 前記係合側係合装置の制御状態は、前記低車速側ギヤ段を形成する制御の種類であり、
前記ギヤ段形成制御部は、前記低車速側ギヤ段を形成する制御の種類に応じて、前記係合側係合装置の係合圧を高くするときの補正量を変更することを特徴とする請求項1に記載の車両の制御装置。 - 前記ギヤ段形成制御部は、前記低車速側ギヤ段へのコーストダウンシフト時には、前記前進用の回転機トルクを要求トルクよりも一時的に増大させて前記自動変速機への入力トルクを一時的に増大させることにより前記自動変速機の入力回転速度を前記低車速側ギヤ段における同期回転速度に向けて上昇させ、前記入力回転速度が所定回転速度に達すると、前記係合側係合装置を係合するものであり、
前記ギヤ段形成制御部は、運転者の変速操作に伴う前記低車速側ギヤ段へのマニュアルダウンシフト時には、前記係合側係合装置の係合圧を高くすることにより前記入力回転速度を前記低車速側ギヤ段における同期回転速度に向けて上昇させつつ前記係合側係合装置を係合に向けて制御するものであり、
前記ギヤ段形成制御部は、前記低車速側ギヤ段を形成する制御の種類が前記コーストダウンシフトである場合には、前記マニュアルダウンシフトである場合と比べて、前記係合側係合装置の係合圧を高くするときの補正量を大きくすることを特徴とする請求項3に記載の車両の制御装置。 - 動力源として機能する回転機と、前記回転機と駆動輪との間の動力伝達経路の一部を構成すると共に複数の係合装置のうちの何れかの係合装置の係合によって複数のギヤ段のうちの何れかのギヤ段が形成される自動変速機とを備えた車両の、制御装置であって、
前記複数のギヤ段のうちの前進用の低車速側ギヤ段が形成された状態で、前進走行時とは正負が反対となる回転にて前進用の回転機トルクとは正負が反対となる後進用の回転機トルクを前記回転機から出力させることで後進走行を行う走行制御部と、
前記前進用の低車速側ギヤ段を形成する過渡中に前記後進走行への切替えが要求された場合には、前記複数の係合装置のうちの前記低車速側ギヤ段の形成過渡において係合に向けて制御される係合側係合装置の制御状態に応じて、前記低車速側ギヤ段の形成を促進する制御を行うギヤ段形成制御部と、
を含んでおり、
前記係合側係合装置の制御状態は、前記低車速側ギヤ段を形成する制御の種類であり、
前記ギヤ段形成制御部は、前記低車速側ギヤ段へのコーストダウンシフト時には、前記前進用の回転機トルクを要求トルクよりも一時的に増大させて前記自動変速機への入力トルクを一時的に増大させることにより前記自動変速機の入力回転速度を前記低車速側ギヤ段における同期回転速度に向けて上昇させ、前記入力回転速度が所定回転速度に達すると、前記係合側係合装置を係合するものであり、
前記ギヤ段形成制御部は、前記コーストダウンシフト中に前記後進走行への切替えが要求された場合には、前記係合側係合装置の係合圧を高くする補正を行うことにより前記入力回転速度を前記低車速側ギヤ段における同期回転速度に向けて上昇させつつ前記係合側係合装置を係合に向けて制御することを特徴とする車両の制御装置。 - 動力源として機能する回転機と、前記回転機と駆動輪との間の動力伝達経路の一部を構成すると共に複数の係合装置のうちの何れかの係合装置の係合によって複数のギヤ段のうちの何れかのギヤ段が形成される自動変速機とを備えた車両の、制御装置であって、
前記複数のギヤ段のうちの前進用の低車速側ギヤ段が形成された状態で、前進走行時とは正負が反対となる回転にて前進用の回転機トルクとは正負が反対となる後進用の回転機トルクを前記回転機から出力させることで後進走行を行う走行制御部と、
前記前進用の低車速側ギヤ段を形成する過渡中に前記後進走行への切替えが要求された場合には、前記複数の係合装置のうちの前記低車速側ギヤ段の形成過渡において係合に向けて制御される係合側係合装置の制御状態に応じて、前記低車速側ギヤ段の形成を促進する制御を行うギヤ段形成制御部と、
を含んでおり、
前記係合側係合装置の制御状態は、前記低車速側ギヤ段を形成する制御の種類であり、
前記ギヤ段形成制御部は、運転者の変速操作に伴う前記低車速側ギヤ段へのマニュアルダウンシフト時には、前記係合側係合装置の係合圧を高くすることにより前記自動変速機の入力回転速度を前記低車速側ギヤ段における同期回転速度に向けて上昇させつつ前記係合側係合装置を係合に向けて制御するものであり、
前記ギヤ段形成制御部は、前記マニュアルダウンシフト中に前記後進走行への切替えが要求された場合には、前記係合側係合装置の係合圧を高くする補正を行うことを特徴とする車両の制御装置。 - 前記ギヤ段形成制御部は、前記回転機からの前記後進用の回転機トルクの出力を制限することで、前記低車速側ギヤ段の形成を促進する制御を行うことを特徴とする請求項1から6の何れか1項に記載の車両の制御装置。
- 動力源として機能する回転機と、前記回転機と駆動輪との間の動力伝達経路の一部を構成すると共に複数の係合装置のうちの何れかの係合装置の係合によって複数のギヤ段のうちの何れかのギヤ段が形成される自動変速機とを備えた車両の、制御装置であって、
前記複数のギヤ段のうちの前進用の低車速側ギヤ段が形成された状態で、前進走行時とは正負が反対となる回転にて前進用の回転機トルクとは正負が反対となる後進用の回転機トルクを前記回転機から出力させることで後進走行を行う走行制御部と、
前記前進用の低車速側ギヤ段を形成する過渡中に前記後進走行への切替えが要求された場合には、前記複数の係合装置のうちの前記低車速側ギヤ段の形成過渡において係合に向けて制御される係合側係合装置の制御状態に応じて、前記低車速側ギヤ段の形成を促進する制御を行うギヤ段形成制御部と、
を含んでおり、
前記ギヤ段形成制御部は、前記回転機からの前記後進用の回転機トルクの出力を制限することで、前記低車速側ギヤ段の形成を促進する制御を行うことを特徴とする車両の制御装置。 - 前記車両は、前記動力源として機能するエンジンと、前記エンジンが動力伝達可能に連結された差動機構と前記差動機構に動力伝達可能に連結された第1回転機とを有して前記第1回転機の運転状態が制御されることにより前記差動機構の差動状態が制御される電気式変速機構とを更に備えており、
前記回転機は、前記電気式変速機構の出力回転部材に動力伝達可能に連結された第2回転機であることを特徴とする請求項1から8の何れか1項に記載の車両の制御装置。
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