JP7566018B2 - 衝突ゾーンに基づく軌道修正 - Google Patents
衝突ゾーンに基づく軌道修正 Download PDFInfo
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Description
本願は、参照によりその全体が本明細書に組み込まれている、「TRAJECTORY MODIFICATIONS BASED ON A COLLISION ZONE」と題する2019年10月24日出願の米国出願第16/663161号の優先権を主張するものである。
A:1つ又は複数のプロセッサと、命令を記憶する1つ又は複数のコンピュータ可読媒体とを備え、命令は、1つ又は複数のプロセッサによって実行されたときに、環境内の合流点であって、第1の車線及び第2の車線を含む合流点を、マップデータに少なくとも部分的には基づいて決定することと、自律車両が第1の車線に位置すると決定することと、合流点の第2の車線に関連する第1の脱出点を、マップデータに少なくとも部分的には基づいて決定することと、第1の車線から第2の車線内まで合流点を通って自律車両が辿る、第1の脱出点を通過する第1の軌道を決定することと、第2の車線内に位置するオブジェクトを、センサデータに少なくとも部分的には基づいて検出することと、第1の軌道に関連する第2の領域に少なくとも部分的には基づく、自律車両とオブジェクトとの間に重複の可能性がある第1の領域を含む重複領域を決定することと、第1の車線の経路と第2の車線の経路とが合流する合流位置を、オブジェクトを検出したことに少なくとも部分的には基づいて決定することと、重複領域に関連する第2の脱出点を、合流位置に少なくとも部分的には基づいて決定することと、自律車両の第2の軌道を、第2の脱出点に少なくとも部分的には基づいて決定することと、第2の軌道を辿るように自律車両を制御することとを含む動作を実行するシステム。
本明細書に記載される技術の1つ又は複数の例について述べたが、その様々な改変、追加、入れ替え、及び均等物は、本明細書に記載される技術の範囲に含まれる。
Claims (14)
- 1つ又は複数のプロセッサと、
命令を記憶する1つ又は複数のコンピュータ可読媒体とを備え、前記命令は、前記1つ又は複数のプロセッサによって実行されたときに、
環境内の合流点であって、第1の車線及び第2の車線を含む合流点を決定することと、
前記第2の車線内に位置するオブジェクトを検出することと、
前記オブジェクトを検出したことに応答して、前記第1の車線の第1の経路と前記第2の車線の第2の経路とが合流する合流位置を決定することと、
前記合流位置に少なくとも部分的には基づいて、車両及び前記オブジェクトに関連する重複領域の脱出点を決定することと、
前記脱出点に少なくとも部分的には基づいて、前記車両が前記第2の車線に進入する軌道を決定することと、
前記軌道を辿るように前記車両を制御することと
を含む動作を実行し、
前記脱出点は、マップデータにさらに基づく第1の脱出点であり、前記動作は、
前記合流位置に少なくとも部分的には基づいて前記重複領域に関連する第2の脱出点を決定することであって、前記重複領域の前記第2の脱出点が、前記重複領域の前記第1の脱出点よりも前記重複領域のサイズを縮小すること
をさらに含む、システム。 - 前記重複領域の前記第2の脱出点が、前記合流位置に追加される安全距離にさらに基づく
請求項1に記載のシステム。 - 前記安全距離は、前記第2の車線に関連するスピード制限又は前記オブジェクトの軌道のうちの1つ又は複数に少なくとも部分的には基づく
請求項2に記載のシステム。 - 前記動作は、
前記オブジェクトが、前記重複領域内で前記車両の閾値距離に進入することを検出することと、
前記オブジェクトが前記閾値距離に進入したことに応答し、前記オブジェクトが前記第2の車線内で前記車両に後続することになるという予測に少なくとも部分的には基づく、前記オブジェクトのオブジェクト軌道を決定することと
をさらに含み、
前記軌道を辿るように前記車両を制御することは、前記オブジェクトの前記オブジェクト軌道に少なくとも部分的には基づいて、前記車両が前記オブジェクトに譲ることを防止することを含む
請求項1~3のいずれか1項に記載のシステム。 - 前記動作は、
前記合流点の範囲をマップデータから決定することと、
前記合流点の前記範囲に少なくとも部分的には基づいて、前記第1の経路及び/又は前記第2の経路に沿った前記重複領域の第1の寸法を決定することと
をさらに含み、
前記重複領域に関連する前記第2の脱出点を決定することは、前記第1の経路及び/又は前記第2の経路に沿った前記重複領域の第2の寸法を決定することを含み、前記第2の寸法は、前記第1の寸法より小さい
請求項1~3のいずれか1項に記載のシステム。 - 環境内の合流点であって、第1の車線及び第2の車線を含む合流点を決定するステップと、
前記第2の車線内に位置するオブジェクトを検出するステップと、
前記オブジェクトを検出したことに応答して、前記第1の車線の第1の経路と前記第2の車線の第2の経路とが合流する合流位置を決定するステップと、
前記合流位置に少なくとも部分的には基づいて、車両及び前記オブジェクトに関連する重複領域の脱出点を決定するステップと、
前記脱出点に少なくとも部分的には基づいて、前記車両が前記第2の車線に進入する軌道を決定するステップと、
前記軌道を辿るように前記車両を制御するステップと
を含む、方法であって、
前記脱出点は、マップデータにさらに基づく第1の脱出点であり、前記方法は、
前記合流位置に少なくとも部分的には基づいて前記重複領域に関連する第2の脱出点を決定するステップであって、前記重複領域の前記第2の脱出点が、前記重複領域の前記第1の脱出点よりも前記重複領域のサイズを縮小するステップをさらに含む、方法。 - 前記軌道は、第1の軌道であり、前記車両は、前記オブジェクトが前記重複領域に進入する前に前記第2の車線に進入し、前記方法は、
前記オブジェクトが、前記重複領域内で前記車両の閾値距離に進入することを検出するステップと、
前記オブジェクトの第2の軌道を決定するステップであり、前記第2の軌道が、前記オブジェクトが前記閾値距離に進入したことに応答し、前記オブジェクトが前記第2の車線内で前記車両に後続することになるという予測に少なくとも部分的には基づくステップと
をさらに含み、
前記軌道を辿るように前記車両を制御するステップは、前記オブジェクトの前記第2の軌道に少なくとも部分的には基づいて、前記車両が前記オブジェクトに譲ることを防止するステップを含む
請求項6に記載の方法。 - 前記車両が前記第2の車線に進入する前記軌道は、転回アクション又は合流アクションを含む
請求項6に記載の方法。 - 前記第1の経路は、前記第1の車線の第1の中心線を実質的にたどり、前記第2の経路は、前記第2の車線の第2の中心線を実質的に辿る
請求項6~8のいずれか1項に記載の方法。 - 前記合流点の範囲をマップデータから決定するステップと、
前記合流点の前記範囲に少なくとも部分的には基づいて、前記第1の経路及び/又は前記第2の経路に沿った前記重複領域の第1の寸法を決定するステップと
をさらに含み、
前記重複領域に関連する前記第2の脱出点を決定するステップは、前記第1の経路及び/又は前記第2の経路に沿った前記重複領域の第2の寸法を決定するステップを含み、前記第2の寸法は、前記第1の寸法より小さい
請求項6~8のいずれか1項に記載の方法。 - 前記重複領域に関連する前記第2の脱出点を決定するステップは、前記合流位置に追加される安全距離にさらに基づく
請求項6~8のいずれか1項に記載の方法。 - 前記安全距離は、前記第2の車線に関連するスピード制限又は前記オブジェクトの軌道に少なくとも部分的には基づく
請求項11に記載の方法。 - 前記安全距離は、前記車両が現在のスピードから前記スピード制限に到達する時間にさらに基づく
請求項12に記載の方法。 - コンピュータ上で実行されたときに、請求項6~13のいずれか1項に記載の方法を実施する命令を含む、コンピュータプログラム。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16/663,161 | 2019-10-24 | ||
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