JP6401821B1 - 運転負荷推定装置 - Google Patents
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Abstract
【解決手段】本発明の一実施形態に係る運転負荷推定装置10は、車両の走行環境に関する情報に基づいて第1VACP値Weを算出する第1VACP算出部11と、走行環境におけるステアリング操作に基づいて、対象となる運転者ごとのVACP補正値aiを算出する補正値算出部13と、を備え、第1VACP値WeをVACP補正値aiに基づいて補正することで、運転者の運転負荷を推定することを特徴とする。
【選択図】図2
Description
車両の走行環境に関する情報に基づいて第1VACP値を算出する第1VACP算出部と、
ステアリング舵角に関する情報に基づいて、運転者のステアリングエントロピー値を算出するステアリングエントロピー算出部と、
前記運転者のステアリングエントロピー値に基づいて、前記運転者のVACP補正値を算出する補正値算出部と、
を備え、
前記第1VACP値を前記VACP補正値に基づいて補正することで、前記運転者の運転負荷を推定し、
前記補正値算出部は、
前記運転者のステアリングエントロピー値に基づいて、前記走行環境におけるステアリング操作に対する前記運転者のVACP値として個人VACP値を算出し、
一般的な運転者のステアリングエントロピー値とVACP値の関係を示す一般関係式と、前記運転者のステアリングエントロピー値とに基づいて、前記走行環境におけるステアリング操作に対する一般的な運転者のVACP値として一般VACP値を算出し、
前記一般VACP値及び前記個人VACP値に基づいて前記VACP補正値を取得する、ことを特徴とする。
10 運転負荷推定装置
11 第1VACP算出部
12 SE算出部
13 補正値算出部
14 第2VACP算出部
20 走行環境認識部
30 コントローラ
31 運転者容量算出部
32 表示情報制御部
40 表示部
41 HUD
42 メーター表示器
43 センター表示器
Claims (8)
- 車両の走行環境に関する情報に基づいて第1VACP値を算出する第1VACP算出部と、
ステアリング舵角に関する情報に基づいて、運転者のステアリングエントロピー値を算出するステアリングエントロピー算出部と、
前記運転者のステアリングエントロピー値に基づいて、前記運転者のVACP補正値を算出する補正値算出部と、
を備え、
前記第1VACP値を前記VACP補正値に基づいて補正することで、前記運転者の運転負荷を推定し、
前記補正値算出部は、
前記運転者のステアリングエントロピー値に基づいて、前記走行環境におけるステアリング操作に対する前記運転者のVACP値として個人VACP値を算出し、
一般的な運転者のステアリングエントロピー値とVACP値の関係を示す一般関係式と、前記運転者のステアリングエントロピー値とに基づいて、前記走行環境におけるステアリング操作に対する一般的な運転者のVACP値として一般VACP値を算出し、
前記一般VACP値及び前記個人VACP値に基づいて前記VACP補正値を取得する、ことを特徴とする運転負荷推定装置。 - 前記補正値算出部は、前記一般VACP値に対する前記個人VACP値の比率を算出して前記VACP補正値を取得する、請求項1に記載の運転負荷推定装置。
- 前記補正値算出部は、運転者個人のステアリングエントロピー値とVACP値の関係を示す個人関係式と、前記運転者のステアリングエントロピー値に基づいて、前記個人VACP値を算出する、請求項1又は2に記載の運転負荷推定装置。
- 前記VACP補正値を前記第1VACP値に乗算することで当該第1VACP値を補正する、
請求項1乃至3のいずれか1項に記載の運転負荷推定装置。 - 表示コンテンツの情報量に基づいて第2VACP値を算出する第2VACP算出部をさらに備える、
請求項1乃至4のいずれか1項に記載の運転負荷推定装置。 - 前記表示コンテンツの前記情報量は、文字数、単語数、文節、アイコン及び図の数、又は図示での注目点の数から定義されるチャンク数により決定され、
前記第2VACP算出部は、当該チャンク数と対応するように前記第2VACP値を算出する、
請求項5に記載の運転負荷推定装置。 - 補正した前記第1VACP値に前記第2VACP値を加算する、
請求項5又は6に記載の運転負荷推定装置。 - 前記一般関係式は、複数の運転者のステアリングエントロピー値とVACP値との相関データに基づき設定されたものである請求項1〜7のいずれかに記載の運転負荷推定装置。
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JP2017102101A JP6401821B1 (ja) | 2017-05-23 | 2017-05-23 | 運転負荷推定装置 |
PCT/JP2018/015620 WO2018216394A1 (ja) | 2017-05-23 | 2018-04-13 | 運転負荷推定装置 |
US16/616,135 US11458977B2 (en) | 2017-05-23 | 2018-04-13 | Driving load estimation apparatus |
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JP4736404B2 (ja) * | 2004-11-11 | 2011-07-27 | 日産自動車株式会社 | 音声認識装置 |
JP6200490B2 (ja) * | 2013-03-25 | 2017-09-20 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカPanasonic Intellectual Property Corporation of America | 疲労度推定方法、プログラム、及びプログラムの提供方法 |
JP6323074B2 (ja) * | 2014-03-06 | 2018-05-16 | 株式会社デンソー | 表示物情報表示装置 |
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US10446031B2 (en) * | 2017-03-14 | 2019-10-15 | Hyundai Mobis Co., Ltd. | Apparatus and method of safety support for vehicle |
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US11458977B2 (en) | 2022-10-04 |
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