JP2021109603A - アシスト制御装置 - Google Patents
アシスト制御装置 Download PDFInfo
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- JP2021109603A JP2021109603A JP2020003954A JP2020003954A JP2021109603A JP 2021109603 A JP2021109603 A JP 2021109603A JP 2020003954 A JP2020003954 A JP 2020003954A JP 2020003954 A JP2020003954 A JP 2020003954A JP 2021109603 A JP2021109603 A JP 2021109603A
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- assist control
- climbing
- assist
- clutch
- acceleration
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Abstract
Description
また、登坂アシスト制御の停止時に登坂アシストトルクを徐々に低下させる制御は、登坂アシスト制御の停止直前のアシストトルク量が設定値より小さい場合や登坂アシスト制御の停止直前の合計トルクに占めるアシストトルク量の割合が設定値より小さい場合は、それらと比べて、アシストトルクの減少率や減少度合を大きくしてもよい。
2 エンジン
3 トランスミッション(変速機)
4 モータジェネレータ(モータ)
5 駆動輪
8 アクセルペダル
10 HCU(制御部)
10a 車輪速センサ
10b アクセル開度センサ
10c クラッチストロークセンサ
10d クランク角センサ
10e 加速度センサ
10f 地図情報取得部
10g 位置情報取得部
11 ECM
20 ISG
23 ドライブシャフト
26 クラッチ
26a エンジン側の摩擦係合要素
26b トランスミッション側の摩擦係合要素
33 第3蓄電装置(バッテリ)
101 路面勾配判定部
102 クラッチ状態判定部
103 変速要求判定部
104 加速要求判定部
105 バッテリ状態判定部
106 登坂路情報取得部
107 タイマ
Claims (6)
- エンジンと、
前記エンジンの回転を変速して駆動輪に伝達する変速機と、
前記変速機と前記エンジンとの間の動力伝達経路を遮断又は接続するクラッチと、
前記駆動輪に動力を伝達可能なモータと、を備えた車両のアシスト制御装置であって、
所定勾配以上の登坂路であり、かつ前記クラッチが半係合状態を含む非締結状態であり、かつ変速の要求がないことを実行条件として、該実行条件が成立すると、前記駆動輪に対して前記モータからアシストトルクを出力する登坂アシスト制御を実行する制御部を備え、
前記制御部は、前記クラッチが非締結状態から締結状態に遷移すると前記登坂アシスト制御を停止することを特徴とするアシスト制御装置。 - 前記制御部は、前記車両の速度である車速が所定車速以上になったことを条件に前記登坂アシスト制御を停止し、
前記所定車速は、前記車両の目標車速よりも低い速度に設定されていることを特徴とする請求項1に記載のアシスト制御装置。 - 前記制御部は、前記登坂アシスト制御の実行開始から所定時間が経過したことを条件に前記登坂アシスト制御を停止することを特徴とする請求項1又は請求項2に記載のアシスト制御装置。
- 前記車両に対する加速要求の度合いを示す加速要求値が所定値以上であることを前記実行条件にさらに含み、
前記制御部は、前記登坂アシスト制御の停止後、前記加速要求値が前記所定値未満の状態から前記所定値以上になったことを条件に前記登坂アシスト制御を実行することを特徴とする請求項1から請求項3のいずれか1項に記載のアシスト制御装置。 - 前記制御部は、前記車両に対する加速要求に応じて、前記駆動輪に対して前記モータから加速アシストトルクを出力する加速アシスト制御を実行可能であり、
前記登坂アシスト制御は、前記モータに電力を供給するバッテリの残容量が第1の閾値以上であることを条件に実行され、
前記加速アシスト制御は、前記バッテリの残容量が前記第1の閾値よりも大きい第2の閾値以上であることを条件に実行されることを特徴とする請求項1から請求項4のいずれか1項に記載のアシスト制御装置。 - 目的地までの走行経路上の登坂路情報を取得する登坂路情報取得部を備え、
前記制御部は、前記登坂路情報取得部によって取得した前記登坂路情報に基づき目的地までの走行経路上に登坂路が存在することが判明した場合、前記車両の現在位置から前記登坂路に到達するまでに前記第1の閾値以上の前記バッテリの残容量を確保することを特徴とする請求項5に記載のアシスト制御装置。
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