JP7145867B2 - 自動運転車両のための低速シーンにおける歩行者インタラクションシステム - Google Patents
自動運転車両のための低速シーンにおける歩行者インタラクションシステム Download PDFInfo
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Description
Claims (16)
- 自動運転車両のためのコンピュータ実施方法であって、前記方法は、処理ロジックによって実行され、前記処理ロジックはソフトウェアおよび/またはハードウェアから構成され、
自動運転車両の画像キャプチャ装置から、前記自動運転車両の環境を感知するキャプチャ画像を受信するステップであって、前記キャプチャ画像は前記自動運転車両付近の移動中の障害物を認識するものであるステップと、
移動障害物の投影に基づいて、前記移動障害物周囲の実行可能領域を生成するステップであって、生成された実行可能領域の中心位置が、前記移動障害物の、現在の速度方向に沿って現在位置から時間T経過時における予測位置であり、前記実行可能領域の半径が、前記移動障害物の現在速度に基づいて確定される、ステップと、
前記自動運転車両が前記実行可能領域内にある場合に、前記自動運転車両の上限速度制限を確定するステップと、
前記上限速度制限未満の軌跡速度を有する軌跡を生成して、前記自動運転車両が前記実行可能領域内にある場合に前記自動運転車両が減速するように、前記自動運転車両を前記軌跡に従って自律的に制御するステップと、を含み、
前記時間Tは次式によって確定され、
T=v上限/accmax+k
ここで、v上限はADVの最大速度またはADVが走行している道路の最大制限速度であり、accmaxはADVの最大加速度または最大減速度であり、kは誤差修正のためのパラメータで、その数値が予め設定された定数である、自動運転車両のためのコンピュータ実施方法。 - 前記移動障害物の投影位置は、前記移動障害物及び前記自動運転車両の現在位置に基づいて確定される、請求項1に記載の方法。
- 前記上限速度制限は、現在時刻における前記自動運転車両と前記移動障害物の前記自動運転車両の進行方向における投影との間の距離に基づいて確定される、請求項2に記載の方法。
- 前記上限速度制限はv0e-α/dであり、式中、v0は前記自動運転車両の現在速度であり、αは前記自動運転車両と前記移動障害物の投影との間の距離に対する前記上限速度制限の速度変化を調整するための減衰率であって、1よりも大きいプリセット値であり、dは現在時刻における前記自動運転車両と前記移動障害物の前記自動運転車両の進行方向における投影との間の距離である、請求項1に記載の方法。
- 前記移動障害物は歩行者である、請求項1に記載の方法。
- 命令が格納されている非一時的機械可読媒体であって、前記命令はプロセッサにより実行されるときに前記プロセッサに動作を実行させ、前記動作は、
自動運転車両の画像キャプチャ装置から前記自動運転車両の環境を感知するキャプチャ画像を受信するステップであって、前記キャプチャ画像は前記自動運転車両付近の移動中の障害物を認識するものであるステップと、
移動障害物の投影に基づいて、前記移動障害物周囲の実行可能領域を生成するステップであって、生成された実行可能領域の中心位置が、前記移動障害物の、現在の速度方向に沿って現在位置から時間T経過時における予測位置であり、前記実行可能領域の半径が、前記移動障害物の現在速度に基づいて確定される、ステップと、
前記自動運転車両が前記実行可能領域内にある場合に、前記自動運転車両の上限速度制限を確定するステップと、
前記上限速度制限未満の軌跡速度を有する軌跡を生成して、前記自動運転車両が前記実行可能領域内にある場合に前記自動運転車両が減速するように、前記自動運転車両を前記軌跡に従って自律的に制御するステップとを含み、
前記時間Tは次式によって確定され、
T=v上限/accmax+k
ここで、v上限はADVの最大速度またはADVが走行している道路の最大制限速度であり、accmaxはADVの最大加速度または最大減速度であり、kは誤差修正のためのパラメータで、その数値が予め設定された定数である、非一時的機械可読媒体。 - 前記移動障害物の投影位置は、前記移動障害物及び前記自動運転車両の現在位置に基づいて確定される、請求項6に記載の非一時的機械可読媒体。
- 前記上限速度制限は、現在時刻における前記自動運転車両と前記移動障害物の前記自動運転車両の進行方向における投影との間の距離に基づいて確定される、請求項7に記載の非一時的機械可読媒体。
- 前記上限速度制限はv0e-α/dであり、式中、v0は前記自動運転車両の現在速度であり、αは前記自動運転車両と前記移動障害物の投影との間の距離に対する前記上限速度制限の速度変化を調整するための減衰率であって、1よりも大きいプリセット値であり、dは現在時刻における前記自動運転車両と前記移動障害物の前記自動運転車両の進行方向における投影との間の距離である、請求項6に記載の非一時的機械可読媒体。
- 前記移動障害物は歩行者である、請求項6に記載の非一時的機械可読媒体。
- プロセッサと、命令を格納するために前記プロセッサに接続されるメモリと、を備えるデータ処理システムであって、
前記命令は、前記プロセッサにより実行されるときに、前記プロセッサに動作を実行させ、
前記動作は、
自動運転車両の画像キャプチャ装置から前記自動運転車両の環境を感知するキャプチャ画像を受信するステップであって、前記キャプチャ画像は前記自動運転車両付近の移動中の障害物を認識するステップと、
移動障害物の投影に基づいて、前記移動障害物周囲の実行可能領域を生成するステップであって、生成された実行可能領域の中心位置が、前記移動障害物の、現在の速度方向に沿って現在位置から時間T経過時における予測位置であり、前記実行可能領域の半径が、前記移動障害物の現在速度に基づいて確定される、ステップと、
前記自動運転車両が前記実行可能領域内にある場合に、前記自動運転車両の上限速度制限を確定するステップと、
前記上限速度制限未満の軌跡速度を有する軌跡を生成して、前記自動運転車両が前記実行可能領域内にある場合に前記自動運転車両が減速するように、前記自動運転車両を前記軌跡に従って自律的に制御するステップとを含み、
前記時間Tは次式によって確定され、
T=v上限/accmax+k
ここで、v上限はADVの最大速度またはADVが走行している道路の最大制限速度であり、accmaxはADVの最大加速度または最大減速度であり、kは誤差修正のためのパラメータで、その数値が予め設定された定数である、データ処理システム。 - 前記移動障害物の投影位置は、前記移動障害物及び前記自動運転車両の現在位置に基づいて確定される、請求項11に記載のシステム。
- 前記上限速度制限は、現在時刻における前記自動運転車両と前記移動障害物の前記自動運転車両の進行方向における投影との間の距離に基づいて確定される、請求項12に記載のシステム。
- 前記上限速度制限はv0e-α/dであり、式中、v0は前記自動運転車両の現在速度であり、αは前記自動運転車両と前記移動障害物の投影との間の距離に対する前記上限速度制限の速度変化を調整するための減衰率であって、1よりも大きいプリセット値であり、dは現在時刻における前記自動運転車両と前記移動障害物の前記自動運転車両の進行方向における投影との間の距離である、請求項11に記載のシステム。
- 前記移動障害物は歩行者である、請求項11に記載のシステム。
- コンピュータプログラムであって、
前記コンピュータプログラムがプロセッサにより実行されると、請求項1~5のいずれか一項に記載の方法を実現する、コンピュータプログラム。
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