JP6387470B2 - 複数の光検出及び測距装置(lidar)付きの車両 - Google Patents
複数の光検出及び測距装置(lidar)付きの車両 Download PDFInfo
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- Aviation & Aerospace Engineering (AREA)
- Automation & Control Theory (AREA)
- Optical Radar Systems And Details Thereof (AREA)
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- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
- Measurement Of Optical Distance (AREA)
Description
データは、車両100への短い距離(例えば、30メートル等)の中でオブジェクトを検出及び/又は識別するのに十分な分解能を有する。
Claims (18)
- 車両であって、
前記車両の底部側に位置決めされた1つ又は複数の車輪と、
前記底部側と反対の前記車両の上面に位置決めされた第1の光検出及び測距装置(LIDAR)であって、前記第1のLIDARは軸の回りの前記第1のLIDARの回転に基づいて前記車両の回りの環境を走査するように構成され、前記第1のLIDARが第1の走査分解能を有する、第1のLIDARと、
前記第1の走査分解能と異なる第2の走査分解能を有する第2のLIDARであって、前記第2のLIDARの視線方向に沿って前記車両から離れて広がる前記環境の視野(FOV)を走査するように構成された第2のLIDARと、
前記第1のLIDAR及び前記第2のLIDARによる前記環境の前記走査に基づいて前記車両を操作するように構成されたコントローラであって、前記第1のLIDARから受信されるデータに基づいて前記第2のLIDARの前記視線方向を調整するように構成されたコントローラと、
前記第1のLIDAR及び前記第2のLIDARを包囲するように成形されたハウジングと
を備える車両。 - 前記第2のLIDARが前記車両の前記上面の前記第1のLIDARに隣接して位置決めされる、請求項1に記載の車両。
- 前記ハウジングが光フィルタであって、前記光フィルタが、ある波長範囲内の光が前記光フィルタを通って伝搬できるように構成され、前記第1のLIDARが前記波長範囲の中の第1の波長を有する光を放出するように構成され、前記第2のLIDARが前記波長範囲の中の第2の波長を有する光を放出するように構成される、請求項1に記載の車両。
- 前記光フィルタが前記光フィルタを通って伝搬する可視光の量を削減するように構成される、請求項3に記載の車両。
- 前記コントローラが、
前記第1の走査分解能を有する前記第1のLIDARからのデータに基づいた前記環境の3次元(3D)表示を決定し、
前記第2のLIDARによる走査のために前記3次元表示の一部分を識別し、
前記第2のLIDARの前記視線方向を、前記3次元表示の前記識別された部分と関連付けられた前記環境の特定のFOVに対応するように調整し、
前記第2のLIDARからの所与のデータに基づいて、前記第2のLIDARの前記第2の走査分解能を有するように前記3次元表示の前記部分を更新する
ように構成される、請求項1に記載の車両。 - 前記上面以外の前記車両の所与の側面に沿って位置決めされた第3のLIDARをさらに備え、前記第3のLIDARが前記所与の側面から離れて広がる前記環境のFOVを走査するように構成され、前記第3のLIDARが第3の走査分解能を有し、前記コントローラが前記第3のLIDARによる前記環境の前記走査にも基づいて前記車両を操作するように構成される、請求項1に記載の車両。
- バックミラーをさらに備え、前記第3のLIDARが前記バックミラーに取り付けられる、請求項6に記載の車両。
- 前記コントローラが、
前記第1のLIDARからのデータに基づいて前記環境でオブジェクトを検出し、
前記第3の走査分解能を有する前記第3のLIDARからの所与のデータに基づいて前記オブジェクトを識別する
ように構成される、請求項6に記載の車両。 - 前記コントローラが、
前記第1のLIDARからの前記データに基づいて、前記オブジェクトと前記車両との間の所与の距離が閾値距離未満であると判断し、
前記判断に応じて、前記オブジェクトを識別するために前記第3のLIDARからの前記所与のデータを入手する
ように構成される、請求項8に記載の車両。 - 車両の上面に位置決めされ、軸の回りで回転するように構成された第1の光検出及び測距装置(LIDAR)に基づいて、前記車両の回りの環境を前記車両によって走査することであって、前記車両の1つ又は複数の車輪が前記上面と反対の前記車両の底部側に位置決めされ、前記第1のLIDARが第1の走査分解能を有する、前記車両の回りの環境を走査することと、
前記第1のLIDARとともにハウジングで包囲された第2のLIDARに基づいて、前記第2のLIDARの視線方向に沿って前記車両から離れて広がる前記環境の視野(FOV)を走査することであって、前記第2のLIDARが前記第1の走査分解能と異なる第2の走査分解能を有する、前記環境の視野(FOV)を走査することと、
前記第1のLIDARからのデータに基づいて、前記第2のLIDARの前記視線方向を調整することと、
前記車両によって、前記第1のLIDAR及び前記第2のLIDARによる前記環境の前記走査に基づいて動作することと
を含む、方法。 - 前記上面以外の前記車両の所与の側面に沿って位置決めされた第3のLIDARに基づいて、前記所与の側面から離れて広がる前記環境のFOVを走査することをさらに含み、前記第3のLIDARが第3の走査分解能を有し、前記車両を操作することが前記第3のLIDARによる前記環境の前記走査にも基づく、請求項10に記載の方法。
- 前記第1のLIDARからの第1のデータ、前記第2のLIDARからの第2のデータ、又は前記第3のLIDARからの第3のデータに基づいて、前記車両の前記環境で前記車両とオブジェクトとの間の所与の距離を決定することと、
前記所与の距離が第1の閾値距離よりも大きく、第2の閾値距離未満であることに基づいて、前記第1のLIDARからの前記第1のデータに基づいて前記オブジェクトを追跡することであって、前記第1の閾値距離が前記車両の前記上面に位置決めされている前記第1のLIDARに基づき、前記第2の閾値距離が前記第1のLIDARの前記第1の走査分解能に基づく、前記オブジェクトを追跡することと、
前記所与の距離が前記第2の閾値距離よりも大きいことに基づいて、前記第2の走査分解能を有する前記第2のLIDARからの前記第2のデータに基づいて前記オブジェクトを追跡することと、
前記所与の距離が前記第1の閾値距離未満であることに基づいて、前記車両の前記所与の側面に位置決めされた前記第3のLIDARからの前記第3のデータに基づいて前記オブジェクトを追跡することと
をさらに含む、請求項11に記載の方法。 - 前記第1のLIDARからの第1のデータに基づいて前記環境の3次元(3D)表示を決定することであって、前記3次元表示は前記第1のLIDARの前記第1の走査分解能を有する、3次元表示を決定することと、
前記3次元表示に基づいて前記環境で1つ又は複数のオブジェクトを検出することと、
前記1つ又は複数のオブジェクトを含む前記環境の特定のFOVに対応するために前記第2のLIDARの前記視線方向を調整することと、
前記視線方向を調整することに応えて、前記第2のLIDARからの第2のデータに基づいて前記1つ又は複数のオブジェクトの所与の3次元表示を決定することであって、前記所与の3次元表示が前記第2のLIDARの前記第2の走査分解能を有する、所与の3次元表示を決定することと
をさらに含む、請求項10に記載の方法。 - 前記第2の走査分解能を有する前記所与の3次元表示に基づいて前記1つ又は複数のオブジェクトを識別することをさらに含み、前記車両を操作することが前記1つ又は複数のオブジェクトを識別することに基づく、請求項13に記載の方法。
- 前記第1のLIDARからの第1のデータに基づいて前記車両への閾値距離の中で前記環境の第1のオブジェクトを検出することであって、前記閾値距離が前記第1のLIDARの前記第1の走査分解能に基づく、第1のオブジェクトを検出することと、
前記第2のLIDARからの第2のデータに基づいて前記閾値距離よりも大きい前記車両への所与の距離で前記環境の第2のオブジェクトを検出することであって、前記所与の距離で前記第2のオブジェクトを検出することが前記第2のLIDARの前記第2の走査分解能に基づく、第2のオブジェクトを検出することと
をさらに含む、請求項10に記載の方法。 - 車両であって、
前記車両の底部側に位置決めされた4つの車輪と、
前記底部側と反対の前記車両の上面に位置決めされたドーム形のハウジングと、
前記ドーム形のハウジングの中に配置された第1の光検出及び測距装置(LIDAR)であって、前記第1のLIDARが軸の回りでの前記第1のLIDARの回転に基づいて前記車両の回りの環境を走査するように構成され、前記第1のLIDARが第1の走査分解能を有する、第1のLIDARと、
前記ドーム形のハウジングの中に配置され、前記第1のLIDARと前記車両の前記上面との間に位置決めされた第2のLIDARであって、前記第2のLIDARが、前記第2のLIDARの視線方向に沿って前記車両から離れて広がる前記環境の視野(FOV)を走査するように構成され、前記第2のLIDARが前記第1の走査分解能よりも高い第2の走査分解能を有する、第2のLIDARと、
前記第1のLIDAR及び前記第2のLIDARによる前記環境の前記走査に基づいて前記車両を操作するように構成されたコントローラであって、前記第1のLIDARから受信されるデータに基づいて前記第2のLIDARの前記視線方向を調整するように構成されたコントローラと
を備える、車両。 - 前記第2のLIDARに結合され、前記第2のLIDARによって走査される前記環境の前記FOVを調整するように構成されたステッピングモータをさらに備える、請求項16に記載の車両。
- 前記ドーム形のハウジングが、
前記第1のLIDAR及び前記第2のLIDARを包囲するように成形された光フィルタであって、前記光フィルタが、ある波長範囲の中の光が前記光フィルタを通って伝搬できるように構成され、前記第1のLIDARが前記波長範囲の中の第1の波長を有する光を放出するように構成され、前記第2のLIDARが前記波長範囲の中の第2の波長を有する光を放出するように構成される、光フィルタと、
前記ドーム形のハウジングの中に配置され、前記第1のLIDARと前記第2のLIDARとの間に位置決めされた分割構造と
を備える、請求項16に記載の車両。
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