JP6799592B2 - 自律走行車を完全に停止させるための速度制御 - Google Patents
自律走行車を完全に停止させるための速度制御 Download PDFInfo
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Description
A=k×Vc2/2S
ここで、Aは、減速度を示す。kは係数を示す定数である。Vcは出発位置での現在速度を示す。Sは開始位置と停止位置との間の距離を示す。kは調整可能であり、異なる車両または異なるタイプの車両に対して異なる可能性がある。kは低速区域501で車両を減速させるのに十分な減速度Aを発生させるように構成されている。一実施形態では、kは約1.5である。
Claims (18)
- 自律走行車を走行させるためのコンピュータ実施方法において、
自律走行車を第1の位置から減速させ、第2の位置で停止させる要求を受信するステップと、
前記第1の位置から前記第2の位置までの距離内で、第1の区域、第2の区域及び、前記第1区域と第2区域との間の第3区域を決定するステップと、
前記第1の区域において、第1の減速度に基づいて、前記自律走行車を現在速度から所定の速度まで減速させるステップと、
前記第3の区域において、相対的な定速で前記自律走行車の所定の速度を維持するステップと、
前記第2の区域において、第2の減速度に基づいて、前記自律走行車を前記所定の速度から停止まで減速させるステップであって、前記第1の減速度と前記第2の減速度とは互いに相違する、ステップと、
を含み、
前記第1の減速度は、現在速度と、前記第1の位置と前記第2の位置との間の距離との比率に基づいて決定される、コンピュータ実施方法。 - 請求項1に記載の方法において、
前記第1の減速度Aは、下の式に基づいて決定され、
A=k×V2/2S
ここで、kは定数であり、Vは現在速度であり、Sは前記第1の位置と前記第2の位置との間の距離である、コンピュータ実施方法。 - 請求項2に記載の方法において、
前記定数kは、約1.5である、コンピュータ実施方法。 - 請求項1に記載の方法において、
前記所定の速度は、約0.5m/sである、コンピュータ実施方法。 - 請求項1に記載の方法において、
前記第2の区域の長さは、約0.3メートルである、コンピュータ実施方法。 - 請求項1に記載の方法において、
前記第2の減速度は、前記自律走行車と関連付けられている最大制動トルク力の約30%を適用することにより達成される、コンピュータ実施方法。 - コマンドを格納し、
前記コマンドがプロセッサによって実行されるとき、前記プロセッサに自律走行車を走行させる動作を実行するようにする、非一時的機械可読媒体であって、
前記動作は、
自律走行車を第1の位置から減速させ、第2の位置で停止させる要求を受信するステップと、
前記第1の位置から前記第2の位置までの距離内で、第1の区域、第2の区域及び、前記第1区域と第2区域との間の第3区域を決定するステップと、
前記第1の区域において、第1の減速度に基づいて、前記自律走行車を現在速度から所定の速度まで減速させるステップと、
前記第3の区域において、相対的な定速で前記自律走行車の所定の速度を維持するステップと、
前記第2の区域において、第2の減速度に基づいて、前記自律走行車を前記所定の速度から停止まで減速させるステップであって、前記第1の減速度と前記第2の減速度とは互いに相違する、ステップと、
を含み、
前記第1の減速度は、現在速度と、前記第1の位置と前記第2の位置との間の距離との比率に基づいて決定される、非一時的機械可読媒体。 - 請求項7に記載の非一時的機械可読媒体において、
前記第1の減速度Aは、下の式に基づいて決定され、
A=k×V2/2S
ここで、kは定数であり、Vは現在速度であり、Sは前記第1の位置と前記第2の位置との間の距離である、非一時的機械可読媒体。 - 請求項8に記載の非一時的機械可読媒体において、
前記定数kは約1.5である、非一時的機械可読媒体。 - 請求項7に記載の非一時的機械可読媒体において、
前記所定の速度は、約0.5m/sである、非一時的機械可読媒体。 - 請求項7に記載の非一時的機械可読媒体において、
前記第2の区域の長さは、約0.3メートルである、非一時的機械可読媒体。 - 請求項7に記載の非一時的機械可読媒体において、
前記第2の減速度は、前記自律走行車と関連付けられている最大制動トルク力の約30%を適用することにより達成される、非一時的機械可読媒体。 - プロセッサと、
前記プロセッサに接続されてコマンドを格納するメモリとを含み、
前記コマンドが前記プロセッサによって実行されるとき、前記プロセッサに自律走行車を走行させる動作を実行するようにする、データ処理システムであって、
前記動作は、
自律走行車を第1の位置から減速させ、第2の位置で停止させる要求を受信するステップと、
前記第1の位置から前記第2の位置までの距離内で、第1の区域、第2の区域及び、前記第1区域と第2区域との間の第3区域を決定するステップと、
前記第1の区域において、第1の減速度に基づいて、前記自律走行車を現在速度から所定の速度まで減速させるステップと、
前記第3の区域において、相対的な定速で前記自律走行車の所定の速度を維持するステップと、
前記第2の区域において、第2の減速度に基づいて、前記自律走行車を前記所定の速度から停止まで減速させるステップであって、前記第1の減速度と前記第2の減速度とは互いに相違する、ステップと、
を含み、
前記第1の減速度は、現在速度と、前記第1の位置と前記第2の位置との間の距離との比率に基づいて決定される、データ処理システム。 - 請求項13に記載のデータ処理システムにおいて、
前記第1の減速度Aは、下の式に基づいて決定され、
A=k×V2/2S
ここで、kは定数であり、Vは現在速度であり、Sは前記第1の位置と前記第2の位置との間の距離である、データ処理システム。 - 請求項14に記載のデータ処理システムにおいて、
前記定数kは、約1.5である、データ処理システム。 - 請求項13に記載のデータ処理システムにおいて、
前記所定の速度は、約0.5m/sである、データ処理システム。 - 請求項13に記載のデータ処理システムにおいて、
前記第2の区域の長さは、約0.3メートルである、データ処理システム。 - 請求項13に記載のデータ処理システムにおいて、
前記第2の減速度は、前記自律走行車と関連付けられている最大制動トルク力の約30%を適用することにより達成される、データ処理システム。
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