JP2016175639A - 検出された負荷を車両操縦のために使用するためのシステムと方法 - Google Patents
検出された負荷を車両操縦のために使用するためのシステムと方法 Download PDFInfo
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- 239000000725 suspension Substances 0.000 claims abstract description 28
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Abstract
【解決手段】車両のドライバビリティを制御する方法は、車両に作用する全体の負荷を検出する。車両の質量又は推定質量が取得される。コントローラは、車両が運転状況の間にカーブを通り抜けているか否かを求める。車両が運転状況中にカーブを通り抜けている場合には、コントローラは車両がオーバーステア傾向にあるか、又はアンダーステア傾向にあるかを求める。車両における負荷動作は動的に変更されるか、又は、車両のサスペンション剛性が動的に調整されて、車両のオーバーステア傾向又はアンダーステア傾向が低下される。
【選択図】図3
Description
本発明の課題は、上記において挙げた必要性を満たすことである。1つの実施の形態の原理によれば、この課題は車両のドライバビリティを制御する方法を提供することによって解決される。この方法は、車両に作用する全体の負荷を検出する。車両の質量又は推定質量が取得される。コントローラは、車両が運転状況の間にカーブを通り抜けているか否かを求める。車両が運転状況中にカーブを通り抜けている場合、コントローラは、車両がオーバーステア傾向にあるか、又はアンダーステア傾向にあるか否かを求める。車両に作用する負荷が動的に変更されるか、又は、車両のサスペンション剛性が動的に調整されて、車両のオーバーステア傾向又はアンダーステア傾向が低下される。
Claims (19)
- 車両のドライバビリティを制御する方法において、
前記車両に作用する全体の負荷を検出するステップと、
前記車両の質量又は推定質量を取得するステップと、
コントローラにおいて、前記車両が運転状況の間にカーブを通り抜けているか否かを求めるステップと、
前記車両が前記運転状況の間にカーブを通り抜けている場合、前記コントローラにおいて、前記車両がオーバーステア傾向にあるか、又はアンダーステア傾向にあるかを求めるステップと、
前記車両に作用する負荷を動的に変更するか、又は、前記車両のサスペンション剛性を動的に調整して、前記車両のオーバーステア傾向又はアンダーステア傾向を低下させるステップと、
を備えていることを特徴とする、方法。 - 前記全体の負荷を検出するステップは、前記車両のサスペンションシステムの使用を含む、請求項1に記載の方法。
- 前記全体の負荷を検出するステップは、前記車両の各タイヤに組み込まれているセンサの使用を含む、請求項1に記載の方法。
- 前記車両はオーバーステア傾向にあることが求められた場合、前記負荷を動的に変更するステップは、前記車両の空力コンポーネントを調整して、前記車両の後部における空力負荷を上昇させるか、又は、前記車両の前部における空力負荷を低下させることを含む、請求項1に記載の方法。
- 前記空力コンポーネントを調整するステップにおいて、該空力コンポーネントに関連付けられたアクチュエータを制御する、請求項4に記載の方法。
- 前記車両がオーバーステア傾向にあることが求められた場合、前記車両のサスペンション剛性を動的に調整するステップは、前記車両の前部におけるロール剛性を上昇させるか、又は、前記車両の後部におけるロール剛性を低下させることを含む、請求項1に記載の方法。
- 前記車両はアンダーステア傾向にあることが求められた場合、前記負荷を動的に変更するステップは、前記車両の空力コンポーネントを調整して、前記車両の前部における空力負荷を上昇させるか、又は、前記車両の後部における空力負荷を低下させることを含む、請求項1に記載の方法。
- 前記空力コンポーネントを調整するステップにおいて、該空力コンポーネントに関連付けられたアクチュエータを制御する、請求項7に記載の方法。
- 前記車両がアンダーステア傾向にあることが求められた場合、前記車両のサスペンション剛性を動的に調整するステップは、前記車両の後部におけるロール剛性を上昇させるか、又は、前記車両の前部におけるロール剛性を低下させることを含む、請求項1に記載の方法。
- 前記求めるステップは、前記車両のヨー情報、ステアリング情報及び速度情報の使用を含む、請求項1に記載の方法。
- 前記車両はカーブを通り抜けていないが、しかしながらその代わりに、直線走行状況にあることが求められた場合、前記方法は更に、
効率又は抵抗に関して前記車両の空力コンポーネントを動的に制御するステップを備えている、請求項1に記載の方法。 - 更に、
前記車両の制動中に前記車両の空力コンポーネントを動的に調整し、前記車両における空力負荷を上昇させるステップを備えている、請求項1に記載の方法。 - 車両のための操縦安定性制御システムにおいて、
車両に作用する全体の負荷を取得するように構成及び配置されている車両負荷センサ構造と、
少なくとも前記車両のヨー情報、ステアリング情報及び速度情報を含んでいる車両情報を取得するように構成及び配置されている車両情報センサ構造と、
前記車両の空力コンポーネントを制御するように構成及び配置されている第1のアクチュエータと、
前記車両のサスペンションを制御するように構成及び配置されている第2のアクチュエータと、
前記車両情報及び前記車両に作用する全体の負荷を受け取り、それらに基づき、信号を前記第1のアクチュエータに送信し、前記空力コンポーネントを動的に調整して、前記車両における負荷を変更するように、又は、信号を前記第2のアクチュエータに送信し、前記車両のサスペンションを動的に調整して、前記車両のオーバーステア傾向又はアンダーステア傾向を低下させるように構成及び配置されている車両挙動コントローラと、を備えていることを特徴とする、操縦安定性制御システム。 - 前記車両負荷センサ構造は、前記車両のサスペンションシステムのコンポーネントを使用するように構成及び配置されている、請求項13に記載のシステム。
- 前記車両負荷センサ構造は、前記車両の各タイヤに組み込まれているセンサを含んでいる、請求項13に記載のシステム。
- 前記車両挙動コントローラが、前記車両はオーバーステア傾向にあることを求めた場合、前記第1のアクチュエータは、前記空力コンポーネントを調整して、前記車両の後部における空力負荷を上昇させるか、又は、前記車両の前部における空力負荷を低下させるように構成及び配置されている、請求項13に記載のシステム。
- 前記車両挙動コントローラが、前記車両はオーバーステア傾向にあることを求めた場合、前記第2のアクチュエータは、前記車両の前部におけるロール剛性を上昇させるか、又は、前記車両の後部におけるロール剛性を低下させるように構成及び配置されている、請求項13に記載のシステム。
- 前記車両挙動コントローラが、前記車両はアンダーステア傾向にあることを求めた場合、前記第1のアクチュエータは、前記空力コンポーネントを調整して、前記車両の前部における空力負荷を上昇させるか、又は、前記車両の後部における空力負荷を低下させるように構成及び配置されている、請求項13に記載のシステム。
- 前記車両挙動コントローラが、前記車両はアンダーステア傾向にあることを求めた場合、前記第2のアクチュエータは、前記車両の後部におけるロール剛性を上昇させるか、又は、前記車両の前部におけるロール剛性を低下させるように構成及び配置されている、請求項13に記載のシステム。
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