JP2022131152A - 車両の駆動力制御装置 - Google Patents
車両の駆動力制御装置 Download PDFInfo
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Abstract
Description
Gh=Gb+Gsgain
2 前輪
3 後輪
4 アクセルペダル
5 ブレーキペダル
6 検出部
7 ECU(電子制御装置)
Ve 車両
Claims (7)
- 運転者に操作されるアクセルペダルと、前記アクセルペダルの操作量と車速とに基づいて要求加速度を決定し、かつ決定された前記要求加速度に基づく指令信号を出力するコントローラとを備えた車両の駆動力制御装置において、
前記コントローラは、
前記アクセルペダルの操作量と前記車速とに基づいて一義的に決まるベース加速度を算出し、
前記要求加速度が予め定めた所定値より大きく、かつ前記アクセルペダルの操作速度が所定速度より大きい場合に、前記要求加速度を前記ベース加速度より大きい補正加速度に設定し、その設定した前記補正加速度を発生させるように前記駆動力を制御するように構成されている
ことを特徴とする車両の駆動力制御装置。 - 請求項1に記載の車両の駆動力制御装置において、
前記補正加速度は、前記ベース加速度と、前記ベース加速度に対する加速度の加算量とに基づいて算出され、
前記加速度の加算量は、前記アクセルペダルの操作量、前記車速、および、前記アクセルペダルの操作速度から求まる動的加速度と前記ベース加速度との差分と、所定の制御ゲインとによって決定されるように構成されている
ことを特徴とする車両の駆動力制御装置。 - 請求項2に記載の車両の駆動力制御装置において、
前記制御ゲインは、前記アクセルペダルの操作量と前記車速とに応じて設定され、
前記要求加速度が前記所定値より大きい場合に最大ゲインに設定され、前記要求加速度が前記ベース加速度の場合に、最小ゲインに設定されるように構成されている
ことを特徴とする車両の駆動力制御装置。 - 請求項2または3に記載の車両の駆動力制御装置において、
前記制御ゲインは、前記要求加速度が、前記ベース加速度より大きく、かつ前記所定値より小さい場合に、その要求加速度に応じて連続的に変化するように構成されている
ことを特徴とする車両の駆動力制御装置。 - 請求項3また4に記載の車両の駆動力制御装置において、
前記コントローラは、
前記アクセルペダルの操作量に応じて前記制御ゲインを低下させ、前記制御ゲインが低下して前記要求加速度が前記補正加速度から前記ベース加速度に復帰した際に、そのベース加速度に復帰する際の加速度を「0」より大きくなるように前記駆動力を制御する
ことを特徴とする車両の駆動力制御装置。 - 請求項2から5のいずれか一項に記載の車両の駆動力制御装置において、
前記コントローラは、
前記車両の走行する路面勾配を取得し、
前記アクセルペダルの操作量、前記車速、前記路面勾配に基づいて前記要求加速度を算出し、
前記加速度の加算量は、前記アクセルペダルの操作量と前記車速と前記路面勾配とに応じて定まる制御ゲインを用いて算出するように構成されている
ことを特徴とする車両の駆動力制御装置。 - 請求項6に記載の車両の駆動力制御装置において、
所定の前記アクセルペダルの操作量における前記路面勾配が所定勾配以上の場合の加速度「0」となる領域は、前記路面勾配が前記所定勾配未満の場合の加速度「0」となる領域より大きい
ことを特徴とする車両の駆動力制御装置。
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