JP6787961B2 - 車両制御装置 - Google Patents
車両制御装置 Download PDFInfo
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- JP6787961B2 JP6787961B2 JP2018178648A JP2018178648A JP6787961B2 JP 6787961 B2 JP6787961 B2 JP 6787961B2 JP 2018178648 A JP2018178648 A JP 2018178648A JP 2018178648 A JP2018178648 A JP 2018178648A JP 6787961 B2 JP6787961 B2 JP 6787961B2
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Description
[構成例]
図1は、一実施の形態に係る車両制御装置(車両制御装置1)を備えた車両100における、駆動力を生成し、生成した駆動力を伝達する機構の一構成例を表すものである。図2は、車両100における制御機構の一構成例を表すものである。車両100は、電気自動車などの電動車両である。車両制御装置1は、車両100に用いられるインバータの制御方法を変化させることにより、音や振動を用いて、運転者に情報を通知することができるように構成される。
続いて、本実施の形態の車両制御装置1の動作および作用について説明する。
まず、図2を参照して、車両制御装置1の全体動作概要を説明する。車外カメラ11は、車両100の前方を撮像する。画像解析部13は、車外カメラ11により得られた撮像画像に基づいて、画像解析処理を行う。画像解析部13の制限速度情報取得部14は、車外カメラ11により得られた撮像画像に基づいて、車両100が走行している道路に設置された、その道路の制限速度を示す交通標識を識別し、識別された交通標識に基づいて制限速度についての情報を取得する。位置情報取得部15は、GPSなどのGNSSを用いて、地上での車両100の座標を示す位置情報を取得する。通信部16は、LTEや無線LANなどの無線通信を用いて、例えば交通情報を配信するサーバに接続する。ナビゲーション装置17は、内蔵する地図情報データベースDBに基づいて、車両100が走行すべき目的地までのルートを決定するとともに、運転者に情報を提供することにより、決定したルートに沿って車両100を誘導する。ナビゲーション装置17の制限速度情報取得部18は、地図情報データベースDBに基づいて、車両100が走行している道路の制限速度についての情報を取得する。制御部20は、アクセルペダルセンサ91における検出結果およびブレーキペダルセンサ92における検出結果に基づいて、インバータ102、制動機構114,124、電子制御カップリング106、バッテリ101などの動作を制御する。
速度判定部21は、車両100の走行速度と、制限速度情報取得部14,18が取得した、車両100が走行している道路の制限速度とを比較することにより、車両100の走行速度を判定する。速度判定部21は、走行速度が制限速度を超えていないが制限速度に近づいている場合や、走行速度が制限速度を超えている場合に、通知指示INSを生成する。インバータ制御部23は、この通知指示INSに基づいて、インバータ102を制御する方法を変更する。
以上のように本実施の形態では、通知指示に基づいて、インバータの制御方法を変更するようにしたので、情報を運転者に適切に通知することができる。
上記実施の形態では、走行速度についての情報に基づいてインバータ102の制御方法を変更したが、これに限定されるものではない。以下に、いくつか例を挙げて、本変形例に係る車両制御装置について詳細に説明する。
Claims (11)
- 車両の車輪を駆動する駆動モータに電力を供給するインバータについての複数の制御マップを記憶し、運転者に通知すべきことを示す通知指示に基づいて、前記複数の制御マップのうちの1つを選択し、選択された前記制御マップに基づいて前記インバータの動作を制御するインバータ制御部と、
前記運転者の指示を受け付ける操作部と、
前記操作部からの指示に基づいて前記複数の制御マップのうちの1以上の制御マップを生成する制御マップ生成部と
を備え、
前記インバータ制御部は、前記通知指示に基づいて、前記制御マップ生成部により生成された前記制御マップを選択する
車両制御装置。 - 前記車両が走行すべきルートを決定するナビゲーション装置から供給された情報、前記車両の周囲を撮像する第1の撮像装置から供給された情報、および前記車両の車内を撮像する第2の撮像装置から供給された情報のうちの1以上に基づいて前記通知指示を生成する通知指示生成部をさらに備えた
請求項1に記載の車両制御装置。 - 前記通知指示生成部は、前記車両が走行する道路の制限速度についての情報を取得し、前記制限速度および前記車両の走行速度に基づいて前記通知指示を生成する
請求項2に記載の車両制御装置。 - 前記通知指示生成部は、前記第2の撮像装置の撮像結果に基づいて前記運転者の姿勢を検出し、その検出結果に基づいて前記通知指示を生成する
請求項2または請求項3に記載の車両制御装置。 - 前記通知指示生成部は、前記車両の走行ルートおよび前記ナビゲーション装置により決定された前記ルートに基づいて前記通知指示を生成する
請求項2から請求項4のいずれか一項に記載の車両制御装置。 - 前記ナビゲーション装置は、前記車両の走行ルートにおける前記車両の前方での交通障害についての情報を取得し、
前記通知指示生成部は、前記交通障害についての情報に基づいて前記通知指示を生成する
請求項2から請求項5のいずれか一項に記載の車両制御装置。 - 前記通知指示生成部は、前記第1の撮像装置の撮像結果に基づいて前記車両の前方の交通信号機の表示を検出し、その検出結果に基づいて前記通知指示を生成する
請求項2から請求項6のいずれか一項に記載の車両制御装置。 - 前記複数の制御マップは、第1の制御マップおよび第2の制御マップを含み、
前記第2の制御マップに基づいて前記インバータの動作を制御した場合における前記車両が発生する音は、前記第1の制御マップに基づいて前記インバータの動作を制御した場合における前記車両が発生する音よりも大きく、
前記インバータ制御部は、前記通知指示がない場合には前記第1の制御マップに基づいて前記インバータの動作を制御し、前記通知指示がある場合には前記第2の制御マップに基づいて前記インバータの動作を制御する
請求項1から請求項7のいずれか一項に記載の車両制御装置。 - 前記複数の制御マップは、第1の制御マップおよび第2の制御マップを含み、
前記第2の制御マップに基づいて前記インバータの動作を制御した場合における前記車両が発生する振動は、前記第1の制御マップに基づいて前記インバータの動作を制御した場合における前記車両が発生する振動よりも大きく、
前記インバータ制御部は、前記通知指示がない場合には前記第1の制御マップに基づいて前記インバータの動作を制御し、前記通知指示がある場合には前記第2の制御マップに基づいて前記インバータの動作を制御する
請求項1から請求項8のいずれか一項に記載の車両制御装置。 - 前記制御マップは、前記駆動モータのモータトルクについての情報および前記駆動モータのモータ回転数についての情報と、前記インバータの制御モードとの対応関係についての情報を含む
請求項1から請求項9のいずれか一項に記載の車両制御装置。 - 前記通知指示は、前記運転者に注意喚起を行うべきことを指示するものである
請求項1から請求項10のいずれか一項に記載の車両制御装置。
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