JP2019010897A - 車両の制御装置及び車両の制御方法 - Google Patents
車両の制御装置及び車両の制御方法 Download PDFInfo
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Abstract
【解決手段】車両1000の走行状態に基づいて、空走する車輪100,102とモータ110とを連結して駆動輪の数を増加することを決定するクラッチ締結決定部213と、車輪100,102と駆動源110とが連結される前に、外部から得られる車両挙動不安定度の情報に応じて、モータ110の回転数を予め上昇させる回転数制御部218と、を備える、車両の制御装置200が提供される。
【選択図】図2
Description
先ず、図面に基づいて本発明の第1の実施形態について説明する。図1は、本発明の各実施形態に係る車両1000の構成を示す模式図である。図1に示すように、この車両1000は、前輪100,102、後輪104,106、前輪100,102を駆動するモータ110、後輪を駆動するモータ130を備えている。また、車両1000は、前輪側のディファレンシャルギヤ112、前輪側のドライブシャフト114,116、前輪側のクラッチ150,152を備えている。また、車両1000は、後輪側のディファレンシャルギヤ132、後輪側のドライブシャフト134,136、後輪側のクラッチ160,162を備えている。
次に、本発明の第2の実施形態について説明する。第1の実施形態では、地点Aの道路状況に応じてモータ110の回転数を制御したが、地点Aよりも手前の道路状況に応じてモータ110の回転数を上昇させることが望ましい場合がある。第2の実施形態では、第1の実施形態の制御に加え、今後走行する道路の状況に応じて、予めモータ回転数を上昇させる例について説明する。なお、第2の実施形態においても、後輪駆動からAWDへ遷移させる場合を例に挙げて説明を行う。
213 クラッチ締結決定部
216 目標回転数設定部
218 モータ回転数制御部
224 車両挙動不安定度判定部
1000 車両
Claims (8)
- 車両の走行状態に基づいて、空走する車輪と駆動源とを連結して駆動輪の数を増加することを決定する決定部と、
前記車輪と前記駆動源とが連結される前に、車両外部から得られる車両挙動不安定度の情報に応じて、前記駆動源の回転数を予め上昇させる回転数制御部と、
を備えることを特徴とする、車両の制御装置。 - 車両の外部から得られる外部情報に基づいて前記車両挙動不安定度を判定する判定部を備え、
前記判定部は、路面の危険度を示す第1の情報と、前記第1の情報の信頼性を示す第2の情報とに基づいて前記車両挙動不安定度を判定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。 - 前記第1の情報は、他車両、天気予報、又は道路に設置されたライブカメラから得られることを特徴とする、請求項2に記載の車両の制御装置。
- 車両の外部から得られる外部情報に基づいて、空走する前記車輪と前記駆動源とを将来的に連結する目標地点を決定する決定部と、
前記目標地点における車速を推定する車速推定部と、
推定された前記車速に基づいて前記駆動源の目標回転数を設定する目標回転数設定部と、
を備え、
前記回転数制御部は、前記目標地点で前記駆動源の回転数が前記目標回転数と一致するように前記駆動源の回転数を制御することを特徴とする、請求項1〜3のいずれかに記載の車両の制御装置。 - 前記回転数制御部は、前記目標地点で前記駆動源の回転数が前記目標回転数と一致するように、前記目標地点の手前の地点で前記駆動源を起動することを特徴とする、請求項4に記載の車両の制御装置。
- 前記回転数制御部は、前記目標地点の付近においては、前記目標回転数と前記車両挙動不安定度とから定まる回転数まで前記駆動源の回転数を予め上昇させることを特徴とする、請求項4に記載の車両の制御装置。
- 前記車両挙動不安定度の情報は、車両が走行する路面状況に応じた車両挙動の不安定度を示す情報であることを特徴とする、請求項1〜6のいずれかに記載の車両の制御装置。
- 車両の走行状態に基づいて、空走する車輪と駆動源とを連結して駆動輪の数を増加することを決定するステップと、
前記車輪と前記駆動源とが連結される前に、車両外部から得られる車両挙動不安定度の情報に応じて、前記駆動源の回転数を予め上昇させるステップと、
を備えることを特徴とする、車両の制御方法。
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