JP7349318B2 - センサ性能評価システム及び方法、並びに、自動運転システム - Google Patents
センサ性能評価システム及び方法、並びに、自動運転システム Download PDFInfo
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Description
外界センサ3の精度保証検知距離Ls=地上設置物位置X-自己位置Y・・(1)
精度保証検知距離Lsの算出後、ステップS7に進むが、その説明は後にする。
Specific Integrated Circuit))によって実現されても良い。
[1]本発明の実施形態に係るセンサ性能評価システム2は、記録部5と、設置物認識部4と、検知距離算出部6と、を備えて構成される。
検知距離算出部6は、外界センサ3の検知距離Lsを算出する。すなわち、検知距離算出部6は、設置物認識部4が、地上設置物1を認識できる最大距離を外界センサ3の検知距離Lsとして算出する。つまり、検知距離Lsは、外界センサ3が地上設置物1を認識したとき、その外界センサ3から地上設置物1までの距離Lsである。
[8]自動運転システムは、上記[7]に記載のセンサ性能評価システム2に加えて、制限速度決定部により決定された制限速度Vlimitを超えない範囲に走行速度を制御する自動運転部をさらに備えた。
[9]軌道輸送システムの車両8に搭載された外界センサ3が検出(S1)した情報を含む外界センサ情報から設置識別子11,31を特定(S2,S3)する。次に、外界センサ3を搭載した車両8が走行する軌道9の脇に設置されている複数の地上設置物1の各々について、地上設置物1の設置位置Xと地上設置物1の設置識別子11,31とを記録した記録部5を参照することにより、特定された設置識別子11,31に対応した地上設置物1を認識(S4)する。次に、地上設置物1を認識した時の車両8の自己位置Xと、認識した地上設置物1の設置位置Xと、から外界センサの検知距離Lsを算出する(S5)。
Claims (9)
- 外界センサを搭載した軌道輸送システムの車両が走行する軌道の脇に設置されている複数の地上設置物の各々について当該地上設置物の設置位置と当該地上設置物の設置識別子とを記録した記録部と、
前記外界センサが検出した情報を含む外界センサ情報から設置識別子を特定し、当該設置識別子に対応した地上設置物を、前記記録部を参照することにより認識する設置物認識部と、
前記外界センサの検知距離を算出する検知距離算出部と、
を備え、
前記検知距離算出部は、前記地上設置物を認識した時の前記車両の自己位置と、前記設置物認識部が認識した前記地上設置物の設置位置と、から前記外界センサの検知距離を算出し、算出した検知距離を前記外界センサの精度保証検知距離とすることで、前記外界センサのセンサ性能を評価する、
ことを特徴とするセンサ性能評価システム。 - 前記地上設置物は、1か所につき2種類以上の異なる大きさのものが設置され、
前記検知距離算出部に加えて、前記外界センサの分解能を算出する分解能算出部をさらに備え、
該分解能算出部は、認識した前記地上設置物の大きさに基づいて前記外界センサの分解能を算出する、
請求項1に記載のセンサ性能評価システム。 - 前記分解能算出部は、前記異なる大きさの前記地上設置物に対し、
大きい方の前記地上設置物を認識できて小さい方の前記地上設置物が認識できない場合と、
小さい方の前記地上設置物まで認識できた場合と、
大きい方の前記地上設置物も認識できない場合と、
それぞれの場合に応じた前記分解能又はその範囲を示す指標値に紐づけられた情報を備えた、
請求項2に記載のセンサ性能評価システム。 - 前記地上設置物が有する設置識別子は二次元バーコードである、
請求項1に記載のセンサ性能評価システム。 - 前記地上設置物が有する設置識別子は点群データである、
請求項1に記載のセンサ性能評価システム。 - 前記検知距離算出部は、複数の前記外界センサが搭載されている場合、
それぞれの前記外界センサより得られた前記検知距離のうち最小値を採用する、
請求項1に記載のセンサ性能評価システム。 - 前記算出された前記検知距離に基づく制限速度を決定する制限速度決定部と、
該制限速度決定部により決定された制限速度を出力する制限速度遵守部と、
をさらに備えた、
請求項1~6の何れかに記載のセンサ性能評価システム。 - 請求項7に記載のセンサ性能評価システムと、
前記制限速度決定部により決定された前記制限速度を超えない範囲に走行速度を制御する自動運転部と、
を備えた自動運転システム。 - 軌道輸送システムの車両に搭載された外界センサが検出した情報を含む外界センサ情報から設置識別子を特定し、
外界センサを搭載した前記車両が走行する軌道の脇に設置されている複数の地上設置物の各々について当該地上設置物の設置位置と当該地上設置物の設置識別子とを記録した記録部を参照することにより、前記特定された設置識別子に対応した地上設置物を認識し、
前記地上設置物を認識した時の前記車両の自己位置と、前記認識した前記地上設置物の設置位置と、から前記外界センサの検知距離を算出し、算出した検知距離を前記外界センサの精度保証検知距離とすることで、前記外界センサのセンサ性能を評価する、
ことを特徴とするセンサ性能評価方法。
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US17/768,292 US20240034371A1 (en) | 2019-10-18 | 2020-09-18 | Sensor performance evaluation system and method, and automatic driving system |
AU2020366769A AU2020366769B2 (en) | 2019-10-18 | 2020-09-18 | Sensor performance evaluation system and method, and automatic driving system |
PCT/JP2020/035592 WO2021075210A1 (ja) | 2019-10-18 | 2020-09-18 | センサ性能評価システム及び方法、並びに、自動運転システム |
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JP2002037070A (ja) | 2000-07-24 | 2002-02-06 | Mitsubishi Electric Corp | 車両位置検出装置および車両速度検出装置 |
JP2012011867A (ja) | 2010-06-30 | 2012-01-19 | Mitsubishi Heavy Ind Ltd | 車両位置算出システム及び車両位置算出方法並びにそのプログラム |
JP2013156912A (ja) | 2012-01-31 | 2013-08-15 | Omron Corp | 機器の保全支援システムおよび機器保全サーバ |
JP6272347B2 (ja) | 2013-11-08 | 2018-01-31 | 株式会社日立製作所 | 自律走行車両、及び自律走行システム |
JP2019078688A (ja) | 2017-10-26 | 2019-05-23 | パイオニア株式会社 | 地物データ構造、記憶装置、制御装置、制御方法、プログラム及び記憶媒体 |
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