JP7285923B2 - 車両制御システム - Google Patents
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- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
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- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
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- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
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- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
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Description
以下では、まず、図1および図2を参照して、本開示の実施形態1に係る車両制御システム100の構成を説明し、次に、図3を参照して、情報統合装置120による検知情報統合S200の流れを説明する。
図1は、本実施形態の車両制御システム100の構成例を示すブロック図である。車両制御システム100は、たとえば自動車などの車両に搭載され、車両の先進運転支援システム(ADAS)や自動運転(AD)システムを構成する。車両制御システム100は、たとえば、外界センサ110と、情報統合装置120と、車両制御装置130と、を備えている。また、車両制御システム100は、たとえば、車両センサ140と、測位システム150と、地図ユニット160と、アクチュエータ170とを備えてもよい。
次に、図1に示す情報統合装置120による処理に含まれる検知情報統合S200について、詳細に説明する。図3は、図2に示す情報統合装置120の処理に含まれる検知情報統合S200の詳細を示すフロー図である。
次に、前述の実施形態1の図1から図8を援用し、図9を参照して本開示の実施形態2に係る車両制御システム100を説明する。本実施形態の車両制御システム100は、情報統合装置120の構成が前述の実施形態1と異なっている。本実施形態の車両制御システム100のその他の点は、前述の実施形態1に係る車両制御システム100と同様であるので、同様の部分には同一の符号を付して説明を省略する。
次に、前述の実施形態1の図1から図8を援用し、図10を参照して本開示の実施形態2に係る車両制御システム100を説明する。本実施形態の車両制御システム100は、情報統合装置120の構成が前述の実施形態1と異なっている。本実施形態の車両制御システム100のその他の点は、前述の実施形態1に係る車両制御システム100と同様であるので、同様の部分には同一の符号を付して説明を省略する。
111 第1センサ
112 第2センサ
120 情報統合装置
121 演算装置
122 記憶装置
130 車両制御装置
Claims (2)
- 車両の周囲の物体を検知する第1センサおよび第2センサと、前記第1センサと前記第2センサのそれぞれによって検出された同一の物体の位置や速度である第1検知情報と第2検知情報をグルーピングして統合された統合検知情報を出力する情報統合装置と、前記統合検知情報に基づいて前記車両を制御する車両制御装置と、を備えた車両制御システムであって、
前記情報統合装置は、演算装置と記憶装置を含み、
前記演算装置は、
前記第1検知情報の時系列情報である第1時系列情報と前記第2検知情報の時系列情報である第2時系列情報とを前記記憶装置に記憶させ、
前記第1センサと前記第2センサが同一の物体を検知したときの前記第1時系列情報と前記第2時系列情報とをグルーピングして前記第1検知情報の補正パラメータを算出し、
前記補正パラメータを用いて前記第1検知情報を補正した補正情報を算出し、
前記補正情報と前記第2検知情報とを用いた瞬時値グルーピングによって前記統合検知情報を出力することを所定の周期で繰り返し、前記統合検知情報の時系列情報である統合時系列情報を前記記憶装置に記憶させ、
前記瞬時値グルーピングの不安定性に基づく校正判断指数を算出し、前記校正判断指数がしきい値以上になったときに前記補正パラメータを算出することを特徴とする
車両制御システム。 - 車両の周囲の物体を検知する第1センサおよび第2センサと、前記第1センサと前記第2センサのそれぞれによって検出された同一の物体の位置や速度である第1検知情報と第2検知情報をグルーピングして統合された統合検知情報を出力する情報統合装置と、前記統合検知情報に基づいて前記車両を制御する車両制御装置と、を備えた車両制御システムであって、
前記情報統合装置は、演算装置と記憶装置を含み、
前記演算装置は、
前記第1検知情報の時系列情報である第1時系列情報と前記第2検知情報の時系列情報である第2時系列情報とを前記記憶装置に記憶させ、
前記第1センサと前記第2センサが同一の物体を検知したときの前記第1時系列情報と前記第2時系列情報とをグルーピングして前記第1検知情報の補正パラメータを算出し、
前記補正パラメータを用いて前記第1検知情報を補正した補正情報を算出し、
前記補正情報と前記第2検知情報とを用いた瞬時値グルーピングによって前記統合検知情報を出力することを所定の周期で繰り返し、前記統合検知情報の時系列情報である統合時系列情報を前記記憶装置に記憶させ、
新たな前記補正情報と前記第2検知情報とを用いた新たなグルーピング結果が過去の前記補正情報と前記第2検知情報とを用いた過去のグルーピング結果と異なる場合に、前記新たなグルーピング結果と前記過去のグルーピング結果との間の異なる情報の個数に基づいて校正判断指数を算出し、前記校正判断指数がしきい値以上になったときに前記補正パラメータを算出することを特徴とする
車両制御システム。
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JPWO2020230619A1 (ja) | 2020-11-19 |
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