JP2019038430A - 車両の制御装置 - Google Patents
車両の制御装置 Download PDFInfo
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Abstract
Description
14:エンジン(動力源)
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)
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、機械式変速機構の入力回転部材)
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)
86:トルク制御部
88:状態判定部
CB:係合装置
MG1:第1回転機
MG2:第2回転機(動力源、回転機)
100:車両
102:エンジン(動力源)
110:自動変速機(機械式変速機構)
116:駆動輪
122:制御装置
C:係合装置
MG:回転機(動力源)
Claims (6)
- 動力源として機能するエンジンと、前記動力源として機能する回転機と、前記動力源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機械式変速機構とを備えた車両の、制御装置であって、
前記機械式変速機構の変速時、前記エンジンの回転状態を表す値が目標値となるように、前記機械式変速機構が伝達する伝達トルクに基づいて前記機械式変速機構の入力トルクを制御するトルク制御部と、
前記エンジンの作動状態を判定する状態判定部と、
前記エンジンの作動状態が停止中又は触媒暖機中である場合は、前記エンジンの作動状態が、運転中であり且つ前記触媒暖機中でない、通常運転中である場合と比べて、前記複数の係合装置のうちの前記機械式変速機構の変速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係合圧を低くする変速制御部と
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、前記エンジンの作動状態が前記通常運転中である場合は、前記係合側係合装置の係合に向けて増大させた前記係合側係合装置の係合圧を、前記機械式変速機構の変速終了前に一時的に低減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。
- 前記トルク制御部は、前記エンジンの作動状態が前記停止中又は前記触媒暖機中である場合は、前記エンジンの回転状態を表す値の前記目標値を、前記機械式変速機構の変速過渡において前記エンジンの回転速度を一定に維持する値に設定す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。
- 前記トルク制御部は、前記エンジンの作動状態が前記停止中又は前記触媒暖機中である場合は、前記機械式変速機構の変速過渡において前記エンジンの回転速度が少なくとも前記一定に維持する値よりも低下する側に変動しないように前記エンジンの回転状態を表す値の前記目標値を補正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。
- 前記機械式変速機構の変速は、パワーオンアップシフトであることを特徴とする請求項1から4の何れか1項に記載の車両の制御装置。
- 前記車両は、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回転機であり、
前記トルク制御部は、前記機械式変速機構の変速時、前記機械式変速機構の入力回転部材の回転状態を表す値と前記エンジンの回転状態を表す値とが各々の目標値となるように、前記エンジンの出力トルクと前記機械式変速機構が伝達する伝達トルクとに基づいて、前記第1回転機の出力トルクと前記第2回転機の出力トルクとを制御す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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