JP2017022880A - 車両制御装置 - Google Patents
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Abstract
Description
本発明の車両制御装置は上述した課題を解決するため、電動機を動力源として備えており、運転者の入力なしで自律走行可能な自動運転モードを実現可能な車両を制御する車両制御装置であって、現時点又は前記現時点から所定期間経過時点において前記車両が走行可能な状態であるか否かを、前記自動運転モード時に用いる前記車両と周囲の環境との位置関係を表すデータに基づいて判定する走行状態判定手段と、前記現時点又は前記所定期間経過時点において前記車両が走行不能な状態であると判定され、且つ、前記電動機の回転数が所定回転数以上である場合に、前記電動機の回転数を低下させる回転数低下手段とを備える。
本発明の車両制御装置の一態様では、前記回転数低下手段は、前記電動機の回転数目標値を前記所定回転数未満にする指令値を与える指令手段、前記電動機を摩擦力により減速させるブレーキ手段、前記電動機の駆動回路のリレーを解放する開放手段の少なくとも1つを有する。
本発明の車両制御装置の他の態様では、前記走行不能な状態とは、前記車両のいずれかの駆動輪が路面と第1所定時間以上接触していない状態、又は前記車両が他の物体と接触して走行不可能な状態である。
本発明の車両制御装置の他の態様では、前記走行状態判定手段は、前記車両の向きを基準とする座標系と、前記車両の走行路面を基準とする座標系とで、法線方向の軸が所定値以上ずれている場合に、前記車両が走行不能であると判定する。
上述した法線方向の軸のずれによって走行不能を判定する態様では、前記走行状態判定手段は、前記法線方向の軸が所定値以上ずれている状態が、第2所定時間以上継続した場合に、前記車両が走行不能であると判定してもよい。
上述した所定時間以上の継続によって走行不能を判定する態様では、前記走行状態判定手段は、前記法線方向の軸のずれが大きいほど、前記第2所定時間を短くしてもよい。
はじめに、図1を参照しながら、本実施形態に係るハイブリッド車両Vの構成について説明する。ここに図1は、本実施形態に係るハイブリッド車両の構成を示すブロック図である。
図1に示すように、ECU10は、車両位置認識部11と、外部状況認識部12と、走行状態認識部13と、走行計画生成部14と、走行制御部15と、横転判定部16と、システム停止処理部17とを備えて構成されている。
次に、図2を参照しながら、本実施形態に係る車両制御装置であるECU10が実行する自動運転制御処理について説明する。ここに図2は、本実施形態に係る車両制御装置による自動走行処理を示すフローチャートである。
次に、図3から図5を参照しながら、本実施形態に係る車両制御装置であるECU10が実行する安全制御処理について説明する。ここに図3は、本実施形態に係る車両制御装置による安全制御処理を示すフローチャートである。また図4は、自動走行時に用いられる2つの座標系を示す斜視図であり、図5は、車両横転時の2つの座標系のずれを示す斜視図である。
次に、図6を参照しながら、本実施形態に係る車両制御装置であるECU10が実行する予測安全制御処理について説明する。ここに図6は、本実施形態に係る車両制御装置による予測安全制御処理を示すフローチャートである。
2 GPS受信部
3 内部センサ
4 地図データベース
5 ナビゲーションシステム
6 HMI
7 PCU
8 バッテリ
9 MGメカブレーキ
10 ECU
11 車両位置認識部
12 外部状況認識部
13 走行状態認識部
14 走行計画性西部
15 走行制御部
16 横転判定部
17 システム停止処理部
ENG エンジン
MG モータジェネレータ
V 車両
Claims (6)
- 電動機を動力源として備えており、運転者の入力なしで自律走行可能な自動運転モードを実現可能な車両を制御する車両制御装置であって、
現時点又は前記現時点から所定期間経過時点において前記車両が走行可能な状態であるか否かを、前記自動運転モード時に用いる前記車両と周囲の環境との位置関係を表すデータに基づいて判定する走行状態判定手段と、
前記現時点又は前記所定期間経過時点において前記車両が走行不能な状態であると判定され、且つ、前記電動機の回転数が所定回転数以上である場合に、前記電動機の回転数を低下させる回転数低下手段と
を備えることを特徴とする車両制御装置。 - 前記回転数低下手段は、
前記電動機の回転数目標値を前記所定回転数未満にする指令値を与える指令手段、
前記電動機を摩擦力により減速させるブレーキ手段、
前記電動機の駆動回路のリレーを解放する開放手段
の少なくとも1つを有することを特徴とする請求項1に記載の車両制御装置。 - 前記走行不能な状態とは、前記車両のいずれかの駆動輪が路面と第1所定時間以上接触していない状態、又は前記車両が他の物体と接触して走行不可能な状態であることを特徴とする請求項1又は2に記載の車両制御装置。
- 前記走行状態判定手段は、前記車両の向きを基準とする座標系と、前記車両の走行路面を基準とする座標系とで、法線方向の軸が所定値以上ずれている場合に、前記車両が走行不能であると判定することを特徴とする請求項1から3のいずれか一項に記載の車両制御装置。
- 前記走行状態判定手段は、前記法線方向の軸が所定値以上ずれている状態が、第2所定時間以上継続した場合に、前記車両が走行不能であると判定することを特徴とする請求項4に記載の車両制御装置。
- 前記走行状態判定手段は、前記法線方向の軸のずれが大きいほど、前記第2所定時間を短くすることを特徴とする請求項5に記載の車両制御装置。
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JP2015138559A JP6384416B2 (ja) | 2015-07-10 | 2015-07-10 | 車両制御装置 |
CN201610534891.8A CN106335498B (zh) | 2015-07-10 | 2016-07-08 | 车辆控制装置 |
US15/205,130 US9902396B2 (en) | 2015-07-10 | 2016-07-08 | Vehicle control apparatus |
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JP2020175894A (ja) * | 2020-07-27 | 2020-10-29 | 株式会社デンソー | 走行制御装置 |
US11325480B2 (en) | 2017-04-12 | 2022-05-10 | Denso Corporation | Travel control apparatus |
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FR3005296B1 (fr) * | 2013-05-03 | 2016-10-07 | Renault Sa | Procede d'optimisation de la consommation energetique d'un vehicule hybride |
JP6809331B2 (ja) * | 2017-03-28 | 2021-01-06 | トヨタ自動車株式会社 | 車両制御装置 |
JP6907895B2 (ja) | 2017-11-15 | 2021-07-21 | トヨタ自動車株式会社 | 自動運転システム |
DE102018004229A1 (de) * | 2018-05-25 | 2019-11-28 | Daimler Ag | Verfahren zum Steuern eines zur Durchführung eines automatisierten Fahrbetriebs eingerichteten Fahrzeugsystems eines Fahrzeugs und Vorrichtung zur Durchführung des Verfahrens |
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JP7409291B2 (ja) * | 2020-11-10 | 2024-01-09 | トヨタ自動車株式会社 | ハイブリッド車両制御装置 |
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CN106335498A (zh) | 2017-01-18 |
US20170008516A1 (en) | 2017-01-12 |
CN106335498B (zh) | 2018-11-09 |
US9902396B2 (en) | 2018-02-27 |
JP6384416B2 (ja) | 2018-09-05 |
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