JP2022017469A - 車両制御方法、装置、電子機器及び自動運転車両 - Google Patents
車両制御方法、装置、電子機器及び自動運転車両 Download PDFInfo
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Abstract
Description
前記車両の前記急ブレーキ速度制限点での計画速度が前記速度限制値よりも大きければ、前記急ブレーキ速度制限点まで走行した前記車両の速度が前記速度限制値以下となるように、前記車両に対して速度制限制御を行うことを更に含む。
本願に係る技術によれば、車両の走行中に、遮蔽物を検知し、車両の計画経路及び遮蔽物の位置情報に従って、急ブレーキ速度制限点及び潜在的な衝突点を確定し、急ブレーキ速度制限点の速度限制値を計算することで、車両の走行中における遮蔽物による遮蔽に起因する潜在的な衝突リスクを予測でき、車両の自動運転の安全性を向上させることができる。
Claims (15)
- 車両の走行中に、遮蔽物を検知すると、前記車両の計画経路及び前記遮蔽物の位置情報に従って、急ブレーキ速度制限点及び潜在的な衝突点を確定することと、
前記急ブレーキ速度制限点と前記潜在的な衝突点との間の距離に従って、前記急ブレーキ速度制限点の速度限制値を計算することと、
前記車両の前記急ブレーキ速度制限点での計画速度が前記速度限制値以下であれば、計画速度で走行するように前記車両を制御することと、
を含み、
前記遮蔽物の運動速度が、第一閾値以下であり、前記急ブレーキ速度制限点が、前記遮蔽物の遮蔽領域を検知可能な最も近い位置である車両制御方法。 - 前記急ブレーキ速度制限点の速度限制値を計算することの後に、
前記車両の前記急ブレーキ速度制限点での計画速度が前記速度限制値よりも大きければ、前記急ブレーキ速度制限点まで走行した前記車両の速度が前記速度限制値以下となるように、前記車両に対して速度制限制御を行うことを含む請求項1に記載の方法。 - 前記車両に対して速度制限制御を行うことが、
前記車両の現在速度、前記速度限制値及びプリセットされた第一減加速度に従って、前記車両が前記第一減加速度で現在速度から前記速度限制値まで減速するのに必要な距離である第一減速距離を計算することと、
前記第一減速距離が、前記車両の現在位置と前記急ブレーキ速度制限点との間の距離よりも小さければ、前記第一減加速度で速度制限走行するように前記車両を制御することと、
を含む請求項2に記載の方法。 - 前記第一減速距離が、前記車両の現在位置と前記急ブレーキ速度制限点との間の距離以上であれば、前記車両の現在速度、前記速度限制値、及び現在位置と前記急ブレーキ速度制限点との間の距離に従って、第二減加速度を計算することと、
前記第二減加速度で速度制限走行するように前記車両を制御することと、
を含む請求項3に記載の方法。 - 前記車両の計画経路に向かって移動しているオブジェクトが前記遮蔽物の遮蔽領域にあることを前記車両が検知すると、緊急制動操作を実行するように前記車両を制御することを含む請求項1から4のいずれか一項に記載の方法。
- 前記遮蔽物と前記車両の計画経路との間の横方向距離が、第二閾値以下である請求項1から4のいずれか一項に記載の方法。
- 前記遮蔽物は、長さが0.5メートル以上であり、幅が0.3メートル以上であり、高さが1.0メートル以上である請求項1から4のいずれか一項に記載の方法。
- 車両の走行中に、遮蔽物を検知すると、前記車両の計画経路及び前記遮蔽物の位置情報に従って、急ブレーキ速度制限点及び潜在的な衝突点を確定するための確定モジュールであって、前記遮蔽物の運動速度が、第一閾値以下であり、前記急ブレーキ速度制限点が、前記遮蔽物の遮蔽領域を検知可能な最も近い位置である確定モジュールと、
前記急ブレーキ速度制限点と前記潜在的な衝突点との間の距離に従って、前記急ブレーキ速度制限点の速度限制値を計算するための計算モジュールと、
前記車両の前記急ブレーキ速度制限点での計画速度が前記速度限制値以下であれば、計画速度で走行するように前記車両を制御するための第一制御モジュールと、
を備える車両制御装置。 - 前記車両の前記急ブレーキ速度制限点での計画速度が前記速度限制値よりも大きければ、前記急ブレーキ速度制限点まで走行した前記車両の速度が前記速度限制値以下となるように、前記車両に対して速度制限制御を行うための第二制御モジュールを備える請求項8に記載の装置。
- 前記第二制御モジュールが、
前記車両の現在速度、前記速度限制値及びプリセットされた第一減加速度に従って、前記車両が前記第一減加速度で現在速度から前記速度限制値まで減速するのに必要な距離である第一減速距離を計算するための第一計算ユニットと、
前記第一減速距離が、前記車両の現在位置と前記急ブレーキ速度制限点との間の距離よりも小さければ、前記第一減加速度で速度制限走行するように前記車両を制御するための第一制御ユニットと、
を備え、
前記第二制御モジュールが、
前記第一減速距離が、前記車両の現在位置と前記急ブレーキ速度制限点との間の距離以上であれば、前記車両の現在速度、前記速度限制値、及び現在位置と前記急ブレーキ速度制限点との間の距離に従って、第二減加速度を計算するための第二計算ユニットと、
前記第二減加速度で速度制限走行するように前記車両を制御するための第二制御ユニットと、
を含む請求項9に記載の装置。 - 前記車両の計画経路に向かって移動しているオブジェクトが前記遮蔽物の遮蔽領域にあることを前記車両が検知すると、緊急制動操作を実行するように前記車両を制御するための第三制御モジュールを備え、
又は、
前記遮蔽物と前記車両の計画経路との間の横方向距離が、第二閾値以下であり、
又は、
前記遮蔽物は、長さが0.5メートル以上であり、幅が0.3メートル以上であり、高さが1.0メートル以上である請求項8から10のいずれか一項に記載の装置。 - 少なくとも1つのプロセッサと、
該少なくとも1つのプロセッサと通信接続されたメモリと、
を備え、
前記メモリには、前記少なくとも1つのプロセッサによって実行され得る命令が記憶されており、前記命令が前記少なくとも1つのプロセッサによって実行されることで、前記少なくとも1つのプロセッサが請求項1から7のいずれか一項に記載の方法を実行可能となる電子機器。 - コンピュータ命令を記憶した非一時的なコンピュータ読取可能な記憶媒体であって、前記コンピュータ命令が、請求項1から7のいずれか一項に記載の方法をコンピュータに実行させるためのものである非一時的なコンピュータ読取可能な記憶媒体。
- コンピュータプログラムを含むコンピュータプログラム製品であって、前記コンピュータプログラムがプロセッサによって実行されると、請求項1から7のいずれか一項に記載の方法が実現されるコンピュータプログラム製品。
- 請求項12に記載の電子機器を備える自動運転車両。
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