JP2021194973A - Vehicle control device - Google Patents

Vehicle control device Download PDF

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JP2021194973A
JP2021194973A JP2020101587A JP2020101587A JP2021194973A JP 2021194973 A JP2021194973 A JP 2021194973A JP 2020101587 A JP2020101587 A JP 2020101587A JP 2020101587 A JP2020101587 A JP 2020101587A JP 2021194973 A JP2021194973 A JP 2021194973A
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heart rate
vehicle
driver
control device
threshold value
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智 廣田
Satoshi Hirota
友昭 阿部
Tomoaki Abe
沙 叶
Sha Ye
淳 油井
Atsushi Yui
達也 稲毛
Tatsuya Inage
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Toyota Motor Corp
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Toyota Motor Corp
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Abstract

To provide a vehicle control device capable of appropriately assisting a driver in accordance with a state thereof.SOLUTION: A vehicle control device 14 comprises: an information acquisition section 15 which acquires heart rate information including information on a heart rate of a driver A of a vehicle 11; an operation assistance control section 16 which causes the vehicle 11 to execute drive operation assistance when the heart rate obtained from the heart rate information is equal to or higher than a first threshold; and a communication section 17 which communicates with an external contact 18 to notify that the heart rate is abnormally high when the heart rate obtained from the heart rate information is equal to or higher than a second threshold which is larger than the first threshold.SELECTED DRAWING: Figure 1

Description

本発明は、車両制御装置に関するものである。 The present invention relates to a vehicle control device.

例えば、特許文献１に開示されるように、運転者の心拍数などの生体情報を取得し、当該生体情報が所定の範囲外の場合に運転者の健康状態が悪化していると判断して、車両の停止などを実行する車両制御装置がある。このような車両制御装置では、運転者の健康状態に基づいて安全な運転を支援することが可能であるとしている。 For example, as disclosed in Patent Document 1, biometric information such as the driver's heart rate is acquired, and when the biometric information is out of a predetermined range, it is determined that the driver's health condition is deteriorated. , There is a vehicle control device that executes the stop of the vehicle and the like. Such a vehicle control device can support safe driving based on the health condition of the driver.

特開２０１９−２００６１１号公報Japanese Unexamined Patent Publication No. 2019-200611

ところで、生体情報に基づき健康状態が悪化していることを判断して、例えば車両を強制的に停止させたとき、運転者がその後に自力で行動することができないほどの状態である場合には、さらなる補助が必要である。一方で、生体情報に基づいて車両を強制的に停止させたものの、運転者が自力で行動できる状態の場合には、過剰な補助を実施することは煩わしいものである。 By the way, when it is judged that the health condition is deteriorated based on the biological information, for example, when the vehicle is forcibly stopped, the driver cannot act on his / her own after that. , Need further assistance. On the other hand, if the vehicle is forcibly stopped based on biometric information but the driver can act on his own, it is troublesome to provide excessive assistance.

本発明は、上記課題を解決するためになされたものであって、その目的は、運転者の状態に応じた適切な補助を可能とした車両制御装置を提供することにある。 The present invention has been made to solve the above problems, and an object of the present invention is to provide a vehicle control device capable of appropriate assistance according to a driver's condition.

上記課題を解決する車両制御装置は、車両の運転者の心拍数に関する情報を含む心拍数情報を取得する情報取得部と、前記心拍数情報から得られた前記心拍数が第１閾値以上であるときに、前記車両に運転支援動作を実行させる運転支援制御部と、前記心拍数情報から得られた前記心拍数が前記第１閾値よりも大きい第２閾値以上であるときに、予め設定された連絡先に対して前記心拍数が異常値である旨を連絡する連絡部と、を備える。 The vehicle control device that solves the above problems includes an information acquisition unit that acquires heart rate information including information on the heart rate of the driver of the vehicle, and the heart rate obtained from the heart rate information is equal to or higher than the first threshold value. Occasionally, it is set in advance when the driving support control unit for causing the vehicle to execute the driving support operation and the heart rate obtained from the heart rate information is equal to or higher than the second threshold value larger than the first threshold value. It is provided with a contact unit for notifying the contact that the heart rate is an abnormal value.

この構成によれば、運転者の心拍数が第１閾値よりも大きい第２閾値以上のとき、運転者が自力で行動できないおそれがあるとして、運転者に代わって自動的に外部への連絡がなされる。一方で、運転者の心拍数が第１閾値以上、かつ、第２閾値未満のときには、車両の運転支援動作が実行されるが、外部への連絡は実行されない。これにより、運転者自身によって外部への連絡が可能であるにも関わらず、外部への連絡が自動的になされる状況を避けることが可能となる。従って、運転者の状態に応じた適切な補助が可能となる。 According to this configuration, when the driver's heart rate is equal to or higher than the first threshold value and is equal to or higher than the second threshold value, the driver may not be able to act on his / her own, and the driver is automatically contacted on behalf of the driver. Will be done. On the other hand, when the driver's heart rate is equal to or higher than the first threshold value and lower than the second threshold value, the driving support operation of the vehicle is executed, but the communication to the outside is not executed. This makes it possible to avoid a situation in which the driver himself / herself can contact the outside, but the outside is automatically contacted. Therefore, it is possible to provide appropriate assistance according to the driver's condition.

一実施形態における運転支援システムを説明するための模式図。The schematic diagram for demonstrating the driving support system in one Embodiment. 一実施形態における車両制御装置が実行するフローチャート。A flowchart executed by the vehicle control device in one embodiment.

以下、車両制御装置を含む運転支援システムの一実施形態について説明する。
図１に示すように、運転支援システムは、車両１１に設けられた車載装置１２と、車両１１を運転する運転者Ａの心拍数を検知する心拍数検知装置１３との間で各種データの通信が可能とされたシステムである。 Hereinafter, an embodiment of a driving support system including a vehicle control device will be described.
As shown in FIG. 1, the driving support system communicates various data between the in-vehicle device 12 provided in the vehicle 11 and the heart rate detecting device 13 that detects the heart rate of the driver A who drives the vehicle 11. Is a possible system.

心拍数検知装置１３は、運転者Ａの心拍数の計測し、その心拍数に関する情報を含む心拍数情報を車載装置１２に送信可能なものである。心拍数検知装置１３は、例えば、運転者Ａが着用するウェアラブル端末である。ウェアラブル端末の例としては、手首に装着するリング型の端末や、首にかけるネックレス型の端末などが挙げられる。 The heart rate detecting device 13 can measure the heart rate of the driver A and transmit the heart rate information including the information about the heart rate to the in-vehicle device 12. The heart rate detection device 13 is, for example, a wearable terminal worn by the driver A. Examples of wearable terminals include a ring-shaped terminal worn on the wrist and a necklace-shaped terminal worn around the neck.

車載装置１２は、例えば、車両１１に搭載されたモニタや車両ＥＣＵや外部通信機器等を含んで構成される。また、車載装置１２は、車両制御装置１４を有している。車両制御装置１４は、情報取得部１５と、運転支援制御部１６と、連絡部１７とを備える。 The in-vehicle device 12 includes, for example, a monitor mounted on the vehicle 11, a vehicle ECU, an external communication device, and the like. Further, the in-vehicle device 12 has a vehicle control device 14. The vehicle control device 14 includes an information acquisition unit 15, a driving support control unit 16, and a communication unit 17.

情報取得部１５は、運転者Ａの心拍数に関する情報を含む心拍数情報を心拍数検知装置１３から取得可能とされている。
運転支援制御部１６は、情報取得部１５が取得した心拍数情報に基づく運転者Ａの心拍数が第１閾値Ｔ１以上であるときに、車両１１に運転支援動作を実行させる。 The information acquisition unit 15 is capable of acquiring heart rate information including information on the heart rate of the driver A from the heart rate detection device 13.
The driving support control unit 16 causes the vehicle 11 to execute a driving support operation when the heart rate of the driver A based on the heart rate information acquired by the information acquisition unit 15 is equal to or higher than the first threshold value T1.

以下に、運転支援制御部１６が車両１１に実行させる運転支援動作の例を挙げる。運転支援動作は、例えば、運転者Ａの心拍数が異常値である旨を車載装置１２のモニタに表示するなどの、運転者Ａに対する報知動作を含む。また、運転支援動作は、例えば、車両１１のハザードランプを、通常の点滅間隔、または通常よりも短い点滅間隔で点滅させるなどの、車両１１の周囲に対する報知動作を含む。また、運転支援動作は、例えば、車速制限を自動的に実行したり、車両１１を自動走行によって路肩に停車させるなどの退避走行の実行を含む。 The following is an example of the driving support operation that the driving support control unit 16 causes the vehicle 11 to execute. The driving support operation includes a notification operation to the driver A, for example, displaying on the monitor of the in-vehicle device 12 that the heart rate of the driver A is an abnormal value. Further, the driving support operation includes a notification operation to the surroundings of the vehicle 11, for example, blinking the hazard lamp of the vehicle 11 at a normal blinking interval or a blinking interval shorter than usual. Further, the driving support operation includes, for example, automatic execution of vehicle speed limitation, execution of evacuation driving such as stopping the vehicle 11 on the shoulder by automatic driving.

連絡部１７は、情報取得部１５が取得した心拍数情報に基づく運転者Ａの心拍数が、第１閾値Ｔ１よりも大きい第２閾値Ｔ２以上であるときに、外部の連絡先１８に対して運転者Ａの心拍数が異常値である旨を前記外部通信機器によって連絡する。ここで、連絡先１８は、例えば、車載装置１２に予め設定された運転者Ａの家族の連絡先を含む。また、連絡先１８は、例えば、車載装置１２に予め設定された、消防や医療機関などの救急連絡先を含む。 The contact unit 17 refers to the external contact 18 when the heart rate of the driver A based on the heart rate information acquired by the information acquisition unit 15 is equal to or higher than the second threshold value T2, which is larger than the first threshold value T1. The external communication device notifies that the heart rate of the driver A is an abnormal value. Here, the contact 18 includes, for example, the contact information of the driver A's family preset in the in-vehicle device 12. Further, the contact 18 includes, for example, an emergency contact such as a fire department or a medical institution preset in the in-vehicle device 12.

次に、車両制御装置１４の具体的な動作の一例及びその作用について以下に説明する。
運転者Ａが車両１１を運転しているとき、車両制御装置１４は、図２に示す処理を繰り返し実行する。なお、以下の説明における第１閾値Ｔ１、第２閾値Ｔ２、第３閾値Ｔ３及び第４閾値Ｔ４の大小関係は、Ｔ１＜Ｔ３＜Ｔ４＜Ｔ２である。 Next, an example of a specific operation of the vehicle control device 14 and its operation will be described below.
When the driver A is driving the vehicle 11, the vehicle control device 14 repeatedly executes the process shown in FIG. In the following description, the magnitude relationship between the first threshold value T1, the second threshold value T2, the third threshold value T3, and the fourth threshold value T4 is T1 <T3 <T4 <T2.

図２に示すように、ステップＳ１において、車両制御装置１４は、運転者Ａの心拍数が第１閾値Ｔ１以上であるか否かを判定する。車両制御装置１４は、当該心拍数が第１閾値Ｔ１未満であると判定すると、同ステップＳ１を再度実行する。すなわち、運転者Ａの心拍数が第１閾値Ｔ１以上になるまで、ステップＳ１が繰り返し実行される。車両制御装置１４は、当該心拍数が第１閾値Ｔ１以上であると判定すると、ステップＳ２に移行する。 As shown in FIG. 2, in step S1, the vehicle control device 14 determines whether or not the heart rate of the driver A is equal to or higher than the first threshold value T1. When the vehicle control device 14 determines that the heart rate is less than the first threshold value T1, the vehicle control device 14 executes the same step S1 again. That is, step S1 is repeatedly executed until the heart rate of the driver A becomes equal to or higher than the first threshold value T1. When the vehicle control device 14 determines that the heart rate is equal to or higher than the first threshold value T1, the vehicle proceeds to step S2.

ステップＳ２において、車両制御装置１４は、運転者Ａに対して心拍数が異常値である旨を報知する。ここで、例えば、車両制御装置１４は、運転者Ａの心拍数が異常値である旨を車載装置１２のモニタに表示させる。また、心拍数が異常値である旨の報知に加えて、運転者Ａに対して停車を促すメッセージをモニタに表示させてもよい。 In step S2, the vehicle control device 14 notifies the driver A that the heart rate is an abnormal value. Here, for example, the vehicle control device 14 causes the monitor of the vehicle-mounted device 12 to display that the heart rate of the driver A is an abnormal value. Further, in addition to the notification that the heart rate is an abnormal value, a message prompting the driver A to stop may be displayed on the monitor.

次に、ステップＳ３において、車両制御装置１４は、運転者Ａの心拍数が第３閾値Ｔ３以上であるか否かを判定する。車両制御装置１４は、当該心拍数が第３閾値Ｔ３未満であると判定すると、前記ステップＳ１に戻る。車両制御装置１４は、当該心拍数が第３閾値Ｔ３以上であると判定すると、ステップＳ４に移行する。 Next, in step S3, the vehicle control device 14 determines whether or not the heart rate of the driver A is equal to or higher than the third threshold value T3. When the vehicle control device 14 determines that the heart rate is less than the third threshold value T3, the vehicle returns to step S1. When the vehicle control device 14 determines that the heart rate is equal to or higher than the third threshold value T3, the vehicle control device 14 proceeds to step S4.

ステップＳ４において、車両制御装置１４は、車両１１の周囲に対して異常事態を報知する。ここで、例えば、車両制御装置１４は、通常よりも短い点滅間隔でハザードランプを点滅させる。これにより、異常事態を車両１１の周囲に報知可能である。 In step S4, the vehicle control device 14 notifies the surroundings of the vehicle 11 of an abnormal situation. Here, for example, the vehicle control device 14 blinks the hazard lamp at blinking intervals shorter than usual. As a result, the abnormal situation can be notified to the surroundings of the vehicle 11.

次に、ステップＳ５において、車両制御装置１４は、運転者Ａの心拍数が第４閾値Ｔ４以上であるか否かを判定する。車両制御装置１４は、当該心拍数が第４閾値Ｔ４未満であると判定すると、前記ステップＳ３に戻る。車両制御装置１４は、当該心拍数が第４閾値Ｔ４以上であると判定すると、ステップＳ６に移行する。 Next, in step S5, the vehicle control device 14 determines whether or not the heart rate of the driver A is equal to or higher than the fourth threshold value T4. When the vehicle control device 14 determines that the heart rate is less than the fourth threshold value T4, the vehicle returns to step S3. When the vehicle control device 14 determines that the heart rate is equal to or higher than the fourth threshold value T4, the vehicle control device 14 proceeds to step S6.

ステップＳ６において、車両制御装置１４は、前述したような車両１１の退避走行を実行する。
次に、ステップＳ７において、車両制御装置１４は、運転者Ａの心拍数が第２閾値Ｔ２以上であるか否かを判定する。車両制御装置１４は、当該心拍数が第２閾値Ｔ２未満であると判定すると、前記ステップＳ５に戻る。車両制御装置１４は、当該心拍数が第２閾値Ｔ２以上であると判定すると、ステップＳ８に移行する。 In step S6, the vehicle control device 14 executes the evacuation running of the vehicle 11 as described above.
Next, in step S7, the vehicle control device 14 determines whether or not the heart rate of the driver A is equal to or higher than the second threshold value T2. When the vehicle control device 14 determines that the heart rate is less than the second threshold value T2, the vehicle returns to step S5. When the vehicle control device 14 determines that the heart rate is equal to or higher than the second threshold value T2, the vehicle control device 14 proceeds to step S8.

ステップＳ８において、車両制御装置１４は、運転者Ａの心拍数が異常値である旨を外部通信機器によって外部の連絡先１８に連絡し、処理を終了する。
本実施形態の効果について説明する。 In step S8, the vehicle control device 14 informs the external contact 18 that the heart rate of the driver A is an abnormal value by an external communication device, and ends the process.
The effect of this embodiment will be described.

（１）運転者Ａの心拍数が第２閾値Ｔ２以上のとき、運転者Ａが自力で行動できないおそれがあるとして、運転支援動作に加え、運転者Ａに代わって自動的に外部の連絡先１８への連絡がなされる。一方で、運転者Ａの心拍数が第１閾値Ｔ１以上、かつ、第２閾値Ｔ２未満のときには、車両の運転支援動作が実行されるが、外部の連絡先１８への連絡は実行されない。これにより、運転者Ａ自身によって外部への連絡が可能であるにも関わらず、外部への連絡が自動的になされる状況を避けることが可能となる。従って、運転者Ａの状態に応じた適切な補助が可能となる。 (1) When the heart rate of the driver A is equal to or higher than the second threshold value T2, the driver A may not be able to act on his / her own. 18 will be contacted. On the other hand, when the heart rate of the driver A is equal to or higher than the first threshold value T1 and lower than the second threshold value T2, the driving support operation of the vehicle is executed, but the contact to the external contact 18 is not executed. As a result, it is possible to avoid a situation in which the driver A can automatically contact the outside even though the driver A himself can contact the outside. Therefore, it is possible to provide appropriate assistance according to the state of the driver A.

（２）運転者Ａの心拍数が第１閾値Ｔ１以上、かつ、第３閾値Ｔ３未満のときに、運転支援動作として、運転者Ａに対する心拍数異常の報知がなされる。また、運転者Ａの心拍数が第３閾値Ｔ３以上、かつ、第４閾値Ｔ４未満のときに、さらなる運転支援動作として、車両周囲への異常事態の報知がなされる。そして、運転者Ａの心拍数が第４閾値Ｔ４以上、かつ、第２閾値Ｔ２未満のときに、さらなる運転支援動作として、車両１１の退避走行が実行される。この態様によれば、運転者Ａの状態のレベルがより細分化され、その細分化されたレベルに応じて段階的に補助のレベルを上位に移行させることが可能となるため、運転者Ａの状態に応じたより適切な補助が可能となっている。 (2) When the heart rate of the driver A is equal to or higher than the first threshold value T1 and lower than the third threshold value T3, the driver A is notified of the abnormal heart rate as a driving support operation. Further, when the heart rate of the driver A is equal to or higher than the third threshold value T3 and less than the fourth threshold value T4, an abnormal situation is notified to the surroundings of the vehicle as a further driving support operation. Then, when the heart rate of the driver A is equal to or higher than the fourth threshold value T4 and less than the second threshold value T2, the vehicle 11 is evacuated as a further driving support operation. According to this aspect, the level of the state of the driver A is further subdivided, and the level of assistance can be gradually shifted to a higher level according to the subdivided level of the driver A. More appropriate assistance according to the condition is possible.

本実施形態は、以下のように変更して実施することができる。本実施形態及び以下の変更例は、技術的に矛盾しない範囲で互いに組み合わせて実施することができる。
・運転者Ａの心拍数が第１閾値Ｔ１以上である場合の運転支援動作は、上記実施形態の態様に限定されるものではなく、適宜変更可能である。 This embodiment can be modified and implemented as follows. The present embodiment and the following modified examples can be implemented in combination with each other within a technically consistent range.
The driving support operation when the heart rate of the driver A is equal to or higher than the first threshold value T1 is not limited to the embodiment of the above embodiment, and can be appropriately changed.

例えば、上記実施形態の車両制御装置１４の処理において、ステップＳ４で車両１１の退避走行も加えて実行し、ステップＳ５の第４閾値Ｔ４を用いた判定、及びステップＳ６を省略してもよい。 For example, in the process of the vehicle control device 14 of the above embodiment, the evacuation running of the vehicle 11 may be performed in step S4, and the determination using the fourth threshold value T4 of step S5 and the step S6 may be omitted.

また、例えば、上記実施形態の車両制御装置１４の処理において、ステップＳ２で車両周囲に対する報知、及び車両１１の退避走行も加えて実行し、ステップＳ３〜ステップＳ６を省略してもよい。 Further, for example, in the process of the vehicle control device 14 of the above embodiment, the notification to the surroundings of the vehicle and the evacuation running of the vehicle 11 may be additionally executed in step S2, and steps S3 to S6 may be omitted.

また、例えば、上記実施形態の車両制御装置１４の処理において、第３閾値Ｔ３及び第４閾値Ｔ４に基づく判定を行わず、心拍数が第１閾値Ｔ１以上のときに、運転者Ａへの報知、車両周囲への報知、及び車両１１の退避走行の少なくとも１つを行うようにしてもよい。 Further, for example, in the processing of the vehicle control device 14 of the above embodiment, the determination based on the third threshold value T3 and the fourth threshold value T4 is not performed, and when the heart rate is equal to or higher than the first threshold value T1, the driver A is notified. , At least one of notification to the surroundings of the vehicle and evacuation running of the vehicle 11 may be performed.

１１…車両
１２…車載装置
１３…心拍数検知装置
１４…車両制御装置
１５…情報取得部
１６…運転支援制御部
１７…連絡部
１８…連絡先
Ａ…運転者
Ｔ１…第１閾値
Ｔ２…第２閾値 11 ... Vehicle 12 ... In-vehicle device 13 ... Heart rate detection device 14 ... Vehicle control device 15 ... Information acquisition unit 16 ... Driving support control unit 17 ... Contact unit 18 ... Contact A ... Driver T1 ... First threshold T2 ... Second Threshold

Claims (1)

車両の運転者の心拍数に関する情報を含む心拍数情報を取得する情報取得部と、
前記心拍数情報から得られた前記心拍数が第１閾値以上であるときに、前記車両に運転支援動作を実行させる運転支援制御部と、
前記心拍数情報から得られた前記心拍数が前記第１閾値よりも大きい第２閾値以上であるときに、予め設定された連絡先に対して前記心拍数が異常値である旨を連絡する連絡部と、を備えた車両制御装置。 An information acquisition unit that acquires heart rate information, including information on the heart rate of the driver of the vehicle,
A driving support control unit that causes the vehicle to execute a driving support operation when the heart rate obtained from the heart rate information is equal to or higher than the first threshold value.
When the heart rate obtained from the heart rate information is equal to or higher than the second threshold value larger than the first threshold value, a contact is notified to a preset contact that the heart rate is an abnormal value. A vehicle control device equipped with a unit.
JP2020101587A 2020-06-11 2020-06-11 Vehicle control device Pending JP2021194973A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102433378B1 (en) * 2022-01-28 2022-08-19 주식회사 에이스큐브 Prevention of drunk driving and monitoring system of driving environment through analysis of driver environment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102433378B1 (en) * 2022-01-28 2022-08-19 주식회사 에이스큐브 Prevention of drunk driving and monitoring system of driving environment through analysis of driver environment

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