JP7462027B2 - 車両経路追従性能に基づいて車両を制御するための方法、コンピュータプログラム、コンピュータ可読媒体、制御ユニット、および車両 - Google Patents
車両経路追従性能に基づいて車両を制御するための方法、コンピュータプログラム、コンピュータ可読媒体、制御ユニット、および車両 Download PDFInfo
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Description
Claims (17)
- 定量化された車両経路追従性能に基づいて車両(1)を制御するための制御ユニット(110)によって実行される方法であって、
車両経路を追従するときのターゲット車両状態と実車両状態との間の不一致を表わす軌道エラーとして測定される車両経路追従性能pi、
前記取得するステップで取得された車両経路追従性能サンプルの集合から、選択されたサンプルが予め決定された統計的極値分布に従うように、前記車両経路追従性能サンプルの部分集合を選択するステップ(S2)と、
前記選択された車両経路追従性能サンプルの部分集合に基づいて、前記予め決定された統計的極値分布をパラメータ化するステップ(S3)と、
前記パラメータ化された統計的極値分布に基づいて、車両経路追従性能を定量化するステップ(S4)と、
前記定量化された車両経路追従性能に基づいて、前記制御ユニット(110)によって前記車両(1)を制御するステップと
を含む方法。 - 前記取得するステップは、予め記憶された、車両経路追従性能サンプルの集合を取得するステップ(S11)を含む、請求項1に記載の方法。
- 前記取得するステップは、自車両(100)の動作中に車両経路追従性能サンプルの集合を取得するステップ(S12)を含む、請求項1から2のいずれか1項に記載の方法。
- 前記選択するステップは、閾値ζ、
- 前記閾値ζを超える車両経路追従性能サンプル間を通過した時間を表わす超過メトリック間の時間を測定するステップ(S7)と、
超過メトリック間の前記時間に基づいて運行設計領域(ODD)を監視するステップと
を含む、請求項4に記載の方法。 - 前記予め決定された統計的極値分布は、一般パレート分布GDPである、請求項1から5のいずれか1項に記載の方法。
- 前記予め決定された統計的極値分布は、一般極値分布GEVである、請求項1から5のいずれか1項に記載の方法。
- 車両経路追従性能サンプルは、横車両位置、長手車両位置、絶対または2乗の車両位置、横車両速度、長手車両速度、絶対または2乗の車両速度、横車両加速度、長手車両加速度、絶対または2乗の車両加速度、曲率、ヨーレート、ヘディング、関節角のいずれかを含む、請求項1から7のいずれか1項に記載の方法。
- 車両経路追従性能サンプルは、前記車両の1つまたは複数の部分のために別々に決定される、請求項8に記載の方法。
- 車両経路追従性能サンプルは、車両のタイプ、連結車両のタイプ、車両の物理的寸法パラメータ、気象条件、道路の摩擦、道路の幾何形状、および、経路軌跡の幾何形状のいずれかに応じて取得される、請求項1から9のいずれか1項に記載の方法。
- 前記予め決定された統計的極値分布と関連付けされた信頼度βを決定するステップ(S5)を含む、請求項1から10のいずれか1項に記載の方法。
- 前記予め決定された統計的極値分布と関連付けされた前記信頼度βに基づいて性能定量化のために集められた車両経路追従性能データの充足性を評価するステップ(S51)を含む、請求項11に記載の方法。
- 前記パラメータ化された予め決定された統計的極値分布をベースライン分布パラメータの集合と比較することによって、前記車両と関連付けされた運行設計領域(ODD)を監視するステップ(S6)を含み、
前記運行設計領域(ODD)の外側の動作は、パラメータ化された予め決定された統計的極値分布パラメータと、前記ベースライン分布パラメータとの間の差によって表わされる、請求項1から12のいずれか1項に記載の方法。 - プログラムがコンピュータ上または制御ユニット(110)の処理回路(710)上で実行されるときに請求項1から13のいずれか1項のステップを実行するためのプログラムコード手段を含むコンピュータプログラム(800)。
- プログラム製品がコンピュータ上または制御ユニット(110)の処理回路(710)上で実行されるときに請求項1から13のいずれか1項のステップを実行するためのプログラムコード手段を含むコンピュータプログラム(820)を担持するコンピュータ可読媒体(810)。
- 車両経路追従性能を定量化するための、請求項1から13のいずれか1項に記載の前記方法の前記ステップを実行するように構成される制御ユニット(110)。
- 請求項16に記載の制御ユニット(110)を含む車両(1)。
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JP2011164849A (ja) | 2010-02-08 | 2011-08-25 | Toyota Motor Corp | 車両制御装置 |
JP2016130971A (ja) | 2015-01-14 | 2016-07-21 | 日立オートモティブシステムズ株式会社 | 車載用制御装置、自車位置姿勢特定装置、車載用表示装置 |
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