JP2021131596A - 警告制御装置 - Google Patents
警告制御装置 Download PDFInfo
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- 230000003044 adaptive effect Effects 0.000 description 3
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- B—PERFORMING OPERATIONS; TRANSPORTING
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- G—PHYSICS
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- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/06—Alarms for ensuring the safety of persons indicating a condition of sleep, e.g. anti-dozing alarms
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- Emergency Alarm Devices (AREA)
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Abstract
Description
図1は、本実施形態の警告制御装置の概要を示す図である。表示部1は、警告制御装置が搭載された車両のインストゥルメンタルパネルにメータの一部として配置される。表示部1は、例えば、運転者の操作に基づく画像を表示する。図1に示される表示部1には、アダプティブクルーズコントロールにおいて設定車速及び車間距離を設定するための設定画像が表示されている。この設定画像の左側に示した車両のマークの下方に並べられた台形のマークの数は、車間距離を段階的に示している。本実施形態では、車間距離を4段階で設定可能であり、マークの数が段階に対応している。図1の例では、台形のマークの数は3個であり、車間距離が4段階のうち、短い方から3番目に設定されていることを表している。設定画像の右側には、設定車速を示す。図1の例では、設定車速は時速100kmである。
図3は、車両100の構成を示す図である。車両100は、表示部1、撮像部2、操作子3及び警告制御装置4を備える。警告制御装置4は、例えばECU(Electronic Control Unit)により実現される。警告制御装置4は、記憶部41及び制御部42を備える。
脇見検出部422は、特定部421が特定した視線方向に基づいて、運転者が車両の前方とは異なる方向を一定時間以上視認している状態である脇見を検出する。前方とは異なる方向とは、例えば、表示部1の方向、車両100に搭載されたカーナビゲーションシステムのディスプレイの方向、車両100に搭載された各種のミラーの方向、車両100の右側、左側、あるいは、車両100の後方である。一定時間は、例えば、運転者が車両100の速度を速度メータにより確認する等の車両100の運転に必要な各種の操作において運転者が車両の前方以外を視認する時間よりも長い時間である。脇見検出部422は、運転者が前方とは異なる複数の方向を視認している合計時間が一定時間以上である場合には、脇見を検出するものとする。
また、表示制御部424は、複数の警告画像のうち、いずれかを選択してもよい。表示制御部424は、運転者の脇見を脇見検出部422が検出した場合に、特定部421が特定した運転者の視線方向を取得する。表示制御部424は、取得した視線方向に基づいて、いずれかの警告画像を選択する。例えば、表示制御部424は、視線方向が表示部1の方向である場合に、運転者が表示部1を視認していることを警告する警告画像を選択する。
図5は、警告制御装置4による警告の表示の処理手順を示すフローチャートである。この処理手順は、例えば、車両100の走行中に操作受付部423が操作子3の操作を受け付けたときに開始する。まず、表示制御部424は、操作受付部423が受け付けた操作に基づく画像を表示する(S101)。
本実施形態によれば、表示制御部424は、運転者が運転中に表示部1を視認して操作子3を操作している場合に、警告画像を表示部1に表示する。このとき、操作受付部423は、操作子3に対する操作を制限する。このようにして、操作受付部423は、表示制御部424が警告画像を表示した場合に、運転者が操作子3を引き続き操作することを抑制することができる。
2 撮像部
3 操作子
4 警告制御装置
41 記憶部
42 制御部
100 車両
421 特定部
422 脇見検出部
423 操作受付部
424 表示制御部
Claims (7)
- 運転者の顔を含む撮像画像に基づいて、前記運転者の視線方向を特定する特定部と、
前記特定部が特定した前記視線方向に基づいて、前記運転者が車両の前方とは異なる方向を一定時間以上視認する脇見を検出する脇見検出部と、
前記運転者の脇見を前記脇見検出部が検出していない場合に、前記車両の内部に配置された操作子に対する操作を受け付け、前記運転者の脇見を前記脇見検出部が検出した場合に、前記操作子に対する操作を制限する操作受付部と、
前記運転者の脇見を前記脇見検出部が検出していない場合に、前記操作受付部が受け付けた前記操作に基づく画像を表示し、前記運転者の脇見を前記脇見検出部が検出した場合に、前方を注視していないことを警告する警告画像を表示する表示制御部と、を備える、
警告制御装置。 - 前記表示制御部は、前記運転者の脇見を前記脇見検出部が検出した場合に、前記操作に基づく画像の代わりに、前記警告画像を表示する、
請求項1に記載の警告制御装置。 - 前記表示制御部は、前記運転者の脇見を前記脇見検出部が検出した場合に、前記特定部が特定した前記運転者の視線方向に基づいて、複数の前記警告画像のうち、いずれかを選択して表示する、
請求項1又は2に記載の警告制御装置。 - 前記表示制御部は、前記特定部が特定した前記視線方向が前記操作に基づく画像を表示するための表示部の方向である場合に、前記運転者が前記表示部を視認していることを警告する前記警告画像を選択して表示する、
請求項3に記載の警告制御装置。 - 前記脇見検出部は、前記車両の速度が所定値以上であることを条件として、前記運転者の脇見を検出する、
請求項1から4のいずれか一項に記載の警告制御装置。 - 前記運転者の運転状況の履歴を記憶する記憶部をさらに備え、
前記脇見検出部は、前記運転者の脇見を検出したことを前記運転状況の履歴として前記記憶部に記憶させる、
請求項1から5のいずれか一項に記載の警告制御装置。 - 前記表示制御部は、前記警告画像を表示している状態において前記操作子に対する操作が行われた場合に、前記操作が制限されていることを示す通知画像を表示する、
請求項1から6のいずれか一項に記載の警告制御装置。
Priority Applications (4)
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JP2020025117A JP7327199B2 (ja) | 2020-02-18 | 2020-02-18 | 警告制御装置 |
US17/799,584 US20230078015A1 (en) | 2020-02-18 | 2021-02-15 | Warning control device and warning control system |
CN202180015412.0A CN115136220A (zh) | 2020-02-18 | 2021-02-15 | 警告控制装置及警告控制系统 |
PCT/JP2021/005407 WO2021166820A1 (ja) | 2020-02-18 | 2021-02-15 | 警告制御装置、及び警告制御システム |
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Citations (6)
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JP2000322699A (ja) * | 1999-05-12 | 2000-11-24 | Toshiba Corp | 車載機器の制御装置及びその制御方法 |
JP2007069756A (ja) * | 2005-09-07 | 2007-03-22 | Toyota Motor Corp | 車両用入力操作規制装置 |
JP2007304712A (ja) * | 2006-05-09 | 2007-11-22 | Denso Corp | 運転支援装置 |
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JP2007304712A (ja) * | 2006-05-09 | 2007-11-22 | Denso Corp | 運転支援装置 |
JP2014211787A (ja) * | 2013-04-19 | 2014-11-13 | 本田技研工業株式会社 | 情報提供装置 |
JP2017211818A (ja) * | 2016-05-25 | 2017-11-30 | 株式会社デンソー | 安全運転支援装置及び安全運転支援プログラム |
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