JP2021519941A - 軌道計画 - Google Patents
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Abstract
Description
本出願は、2018年6月26日に出願された米国特許出願第16/019,291号の優先権及びその利益を主張し、これは2018年5月31日に出願された国際特許出願第PCT/US 208/035455号の継続出願であり、その開示全体は参照により本明細書に組み込まれる。
P(p、t=T+dt)=(t=T+dtにおける測定尤度)*P(p、t=T)(2)
Claims (19)
- 自律走行車用の軌道を計画するための方法であって、
第1の位置から第2の位置までの粗走行線を決定するステップと、
前記粗走行線に対する戦略的速度計画を決定するステップと、
前記戦略的速度計画に基づいて前記粗走行線における横方向の不連続性を除去して、調整された粗走行線を生成するステップと、
観測されたオブジェクトに基づいて、前記調整された粗走行線の周りの横方向制約と離散時間速度計画とを生成するステップと
を含む、方法。 - 前記第1の位置から前記第2の位置までの前記粗走行線を決定するステップは、
前記第1の位置から前記第2の位置までの第1のセグメントに関する第1のデータと、前記第1の位置から前記第2の位置までの第2のセグメントに関する第2のデータとを含む走行線データを取得すること、及び
前記第1のデータ及び前記第2のデータを連結すること
を含む、請求項1に記載の方法。 - 前記第1のセグメントは、前記第2のセグメントとは異なっており、
前記第1のデータはHD地図データであり、前記第2のデータは記録経路データである、請求項2に記載の方法。 - 前記第1のデータは、HD地図データ及び遠隔操作データを含む、請求項2に記載の方法。
- 前記粗走行線に対する前記戦略的速度計画を決定するステップは、
速度制限及び加速制限を使用して前記戦略的速度計画を決定すること
を含む、請求項1に記載の方法。 - 前記速度制限は、道路速度制限、湾曲速度制限、及びシームレスオートノマスモビリティデータのうちの少なくとも1つを含み、前記シームレスオートノマスモビリティデータは他の車両から収集されるデータである、請求項5に記載の方法。
- 前記シームレスオートノマスモビリティデータは、ネットワーク化されたサーバから前記自律走行車において受信される、請求項6に記載の方法。
- 前記加速制限は、車両加速制限及び快適性限界のうちの少なくとも1つを含む、請求項5に記載の方法。
- 前記粗走行線における横方向の不連続性を除去することは、
第1の車線から第2の車線に合流するための走行線を合成すること
を含む、請求項1に記載の方法。 - 観測されたオブジェクトに基づいて前記調整された戦略的速度計画を制約することにより前記離散時間速度計画を生成することは、
静的オブジェクトに基づいて走行可能領域の境界を決定すること、及び
動的オブジェクトの分類に基づいて制約を適用すること
を含む、請求項1に記載の方法。 - メモリと、
前記メモリに記憶されている軌道プランナの命令を実行するように構成されるプロセッサと
を備える自律走行車において、
前記軌道プランナは、
第1の位置から第2の位置までの粗走行線を決定すること、
前記粗走行線に対する戦略的速度計画を決定すること、
前記戦略的速度計画に基づいて、横方向の不連続性を除去するように前記粗走行線を調整して、調整された粗走行線を生成すること、及び
観測されたオブジェクトに基づいて、前記粗走行線の周りの横方向制約と離散時間速度計画とを生成すること
を行うように構成される、自律走行車。 - 前記第1の位置から前記第2の位置までの前記粗走行線を決定することは、
前記第1の位置から前記第2の位置までの第1のセグメントに関する第1のデータと、前記第1の位置から前記第2の位置までの第2のセグメントに関する第2のデータとを含む走行線データを取得すること、及び
前記第1のデータ及び前記第2のデータを連結すること
を含む、請求項11に記載の自律走行車。 - 前記第1のセグメントは、前記第2のセグメントとは異なっており、
前記第1のデータはHD地図データであり、前記第2のデータは記録経路データである、請求項12に記載の自律走行車。 - 前記第1のデータは、HD地図データ及び遠隔操作データを含む、請求項12に記載の自律走行車。
- 前記粗走行線に対する前記戦略的速度計画を決定することは、
速度制限及び加速制限を使用して前記戦略的速度計画を決定することであって、前記加速制限は、車両加速制限及び快適性限界のうちの少なくとも1つを含むこと
を含む、請求項11に記載の自律走行車。 - 前記速度制限は、道路速度制限、湾曲速度制限、及びシームレスオートノマスモビリティデータのうちの少なくとも1つを含み、前記シームレスオートノマスモビリティデータは他の車両から収集されるデータである、請求項15に記載の自律走行車。
- 前記シームレスオートノマスモビリティデータは、ネットワーク化されたサーバから前記自律走行車において受信される、請求項16に記載の自律走行車。
- 前記戦略的速度計画に基づいて、調整された粗走行線を生成することは、第1の車線から第2の車線に合流するための走行線を合成することを含む、請求項11に記載の自律走行車。
- 観測されたオブジェクトに基づいて前記調整された戦略的速度計画を制約することにより前記離散時間速度計画を生成することは、
静的オブジェクトに基づいて走行可能領域の境界を決定すること、及び
動的オブジェクトの分類に基づいて制約を適用すること
を含む、請求項11に記載の自律走行車。
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