JP2019001181A - 車両の制御装置 - Google Patents
車両の制御装置 Download PDFInfo
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- JP2019001181A JP2019001181A JP2017114750A JP2017114750A JP2019001181A JP 2019001181 A JP2019001181 A JP 2019001181A JP 2017114750 A JP2017114750 A JP 2017114750A JP 2017114750 A JP2017114750 A JP 2017114750A JP 2019001181 A JP2019001181 A JP 2019001181A
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Abstract
【解決手段】制動操作に応じた回生制御中に有段変速部のダウンシフトを判断した場合には、回生変化率が所定範囲に入っている状態が所定時間以上継続された後に、そのダウンシフトの実行が開始されるので、回生変化率が所定範囲に入らない間はダウンシフトの実行が遅延させられる。これにより、ドライバビリティの悪化を考慮して回生制御中にダウンシフトが為される場合に回生トルクの増加を抑制するという態様に対して、回生エネルギーを増やすことが可能となる。又、回生トルクの変化が小さな安定している状態でそのダウンシフトが実行される。よって、減速走行中のダウンシフトと回生トルクの増大とが重なる際に、ドライバビリティの悪化を抑制しつつ、燃費を向上することができる。
【選択図】図8
Description
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(機械式変速機構、有段式の自動変速機)
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変速制御部(変速制御部)
88:回転機制御部
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(機械式変速機構)
116:駆動輪
122:制御装置
MG:回転機
Claims (6)
- 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機械式変速機構とを備えた車両の、制御装置であって、
減速走行中に運転者による制動操作に応じた回生トルクが得られるように前記回転機の回生制御を実行する回転機制御部と、
前記制動操作に応じた前記回生制御中に前記機械式変速機構のダウンシフトを判断した場合には、前記回生トルクの変化率が所定範囲に入っている状態が所定時間以上継続された後に、前記ダウンシフトの実行を開始する変速制御部と
を、含むことを特徴とする車両の制御装置。 - 前記変速制御部は、前記回生トルクの変化率が前記所定範囲に入っている状態が前記所定時間以上継続される前であっても、車速が所定車速以下になった場合は、前記ダウンシフトの実行を開始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。
- 前記制動操作に応じた回生トルクは、制動操作量が大きい程大きくされる回生要求トルクであり、
前記回生トルクの変化率は、前記回生要求トルクの変化率であることを特徴とする請求項1又は2に記載の車両の制御装置。 - 前記機械式変速機構は、複数の係合装置の何れかが選択的に係合されることで複数の変速段の何れかが選択的に形成される有段式の自動変速機であることを特徴とする請求項1から3の何れか1項に記載の車両の制御装置。
- 前記所定範囲は、前記自動変速機の変速段毎に予め定められていることを特徴とする請求項4に記載の車両の制御装置。
- 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5の何れか1項に記載の車両の制御装置。
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