JP2019034721A - 車両のタイヤと車道の間の接触に対する摩擦値の決定方法および車両の車両機能の制御方法 - Google Patents
車両のタイヤと車道の間の接触に対する摩擦値の決定方法および車両の車両機能の制御方法 Download PDFInfo
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Abstract
Description
処理センサ信号を発生させるために、処理規定を使用してセンサ信号を処理するステップを有し、この場合、センサ信号は、少なくとも1つの検出装置により読み取られた、車両のタイヤと車道の間の接触位置を有する周辺領域に関する、摩擦値と相関可能な少なくとも状態データを表わし、および
処理センサ信号を使用して摩擦値を決定するステップを有する。
請求項1〜6のいずれかに記載の方法により決定された摩擦値を使用して発生された制御信号を受信するステップと、
受信制御信号を使用して車両機能を操作するステップを有する。
ネットワーク車両の範囲内の展開は、例えば、いわゆる接続性ユニットにより、実際の車道、速度、交通状況等に関するセンサデータの交換を可能にする。道路部分に関するこのようなデータおよびそれから得られた情報利益の処理により、例えば高自動化走行および予測的ドライバ支援システムが、安全性における追加利益を有して運転可能である。特に、車両側の独自のセンサ装置だけでは発生可能ではない周辺に関する情報が車両に提供可能である。
センサないしは検出装置104、106、108、109が検出可能、および/または提供可能な実際の周辺条件のほかに、実施例により、摩擦値の決定ないしは評価に、同様に、摩擦値決定がそれに対して実行される位置に対する代表的な条件が考慮されてもよい。センサ信号140ないしは状態データの形のこれらの周辺条件は、例えばインターネット内のデータ源109から提供されおよび/または検出されても、またはいわゆる過去の収集状態データに基づいた、いわゆる機械学習法により決定されてもよい。位置ないしは周辺領域は、一方で、座標(幅、長さ、高さないしは緯度、経度、高度)によりまたはクラスタ分析ないしはクラスタリングにより定義されてもよい。
102 車両
104 車両センサ
106 周辺センサ
108 インフラセンサ
109 データ源
110 第1装置
120 第2装置
130 サーバ装置、サーババックエンド、データクラウド、クラウド
140 センサ信号
150 制御信号、操作信号
212 処理装置
214 決定装置
222 受信装置
224 操作装置
245 処理センサ信号
255 受信制御信号
260 車両機能
300 決定方法
310 処理ステップ
320 決定ステップ
330 読取りステップ
340 提供ステップ
400 制御方法
410 受信ステップ
420 操作ステップ
Claims (10)
- 車両(102)のタイヤと車道の間の接触に対する摩擦値の決定方法(300)において、
処理センサ信号(245)を発生させるために、処理規定を使用してセンサ信号(140)を処理(310)するステップであって、この場合、センサ信号(140)は、少なくとも1つの検出装置(104、106、108、109)により読み取られた、車両(102)のタイヤと車道の間の接触位置を有する周辺領域に関する、摩擦値と相関可能な少なくとも状態データを表わすステップと、
前記処理センサ信号(245)を使用して摩擦値を決定(320)するステップと、
を有する、車両(102)のタイヤと車道の間の接触に対する摩擦値の決定方法(300)。 - 前記処理するステップ(310)において、データ源(109)からインターネットに読み取られおよび/または処理センサ信号(245)から得られた状態データを表わすセンサ信号が処理され、この場合、状態データは、接触位置における季節、時間、気象情報、交通状況、道路特性、道路管理者による事前散布および/または車両(102)の走行特性を表わすことを特徴とする請求項1に記載の方法(300)。
- 前記処理するステップ(310)において、処理規定の少なくとも1つのパラメータが、状態データに依存して設定されることを特徴とする請求項1または2に記載の方法(300)。
- 前記決定するステップ(320)において、摩擦値が、状態データを使用して妥当性に関して検査されることを特徴とする請求項1〜3のいずれかに記載の方法(300)。
- 前記処理するステップ(310)において、周辺領域が、車両(102)の地理的位置を使用しておよび/または状態データの、位置に関するクラスタ分析により定義されることを特徴とする請求項1〜4のいずれかに記載の方法(300)。
- 前記処理するステップ(310)において、センサ信号(140)が、適切な信号処理方法を使用して処理されることを特徴とする請求項1〜5のいずれかに記載の方法(300)。
- 車両(102)の車両機能(260)の制御方法(400)において、方法(400)は、
請求項1〜6のいずれかに記載の方法(300)により決定された摩擦値を使用して発生された制御信号(150)を受信(410)するステップと、
受信制御信号(255)を使用して車両機能(260)を操作(420)するステップと、
を有する、車両(102)の車両機能(260)の制御方法(400)。 - 請求項1〜7のいずれかに記載の方法(300、400)のステップを対応するユニット内で実行しおよび/または操作するように適合された装置(110、120)。
- 請求項1〜7のいずれかに記載の方法(300、400)を実行しおよび/または操作するように適合されたコンピュータプログラム。
- 請求項9に記載のコンピュータプログラムがそれに記憶されている、マシンが読取り可能な記憶媒体。
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DE102017214032.1A DE102017214032A1 (de) | 2017-08-11 | 2017-08-11 | Verfahren zum Bestimmen eines Reibwerts für einen Kontakt zwischen einem Reifen eines Fahrzeugs und einer Fahrbahn und Verfahren zum Steuern einer Fahrzeugfunktion eines Fahrzeugs |
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US11472413B2 (en) * | 2019-02-20 | 2022-10-18 | Steering Solutions Ip Holding Corporation | Mu confidence estimation and blending |
DE102019202645A1 (de) * | 2019-02-27 | 2020-08-27 | Robert Bosch Gmbh | Verfahren zum Steuern eines elektronischen Stabilitätssystems |
US11597364B2 (en) * | 2019-03-11 | 2023-03-07 | Mitsubishi Electric Research Laboratories, Inc. | System and method for determining friction curve of tire |
FR3097504B1 (fr) * | 2019-06-18 | 2021-09-17 | Continental Automotive | Procédé et dispositif de prédiction d’un coefficient de friction personnalisé pour un véhicule sur un segment routier |
WO2021105388A1 (en) * | 2019-11-28 | 2021-06-03 | Nira Dynamics Ab | Methods, apparatuses, systems and computer program products for estimating road condition information |
AU2021200226A1 (en) * | 2020-01-28 | 2021-08-12 | The Goodyear Tire & Rubber Company | Method for estimating tire grip |
JP2022184143A (ja) * | 2021-05-31 | 2022-12-13 | 住友ゴム工業株式会社 | 路面の状態の判定方法 |
US20230245509A1 (en) * | 2022-01-28 | 2023-08-03 | Murray Armstrong | Safety system and method for motor vehicles |
CN117372977A (zh) * | 2022-06-30 | 2024-01-09 | 交通运输部公路科学研究所 | 一种用于检测隧道路面湿滑状态的移动检测系统 |
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2018
- 2018-08-10 CN CN201810906979.7A patent/CN109383514A/zh active Pending
- 2018-08-10 US US16/100,390 patent/US20190047575A1/en not_active Abandoned
- 2018-08-10 JP JP2018151136A patent/JP2019034721A/ja active Pending
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CN109383514A (zh) | 2019-02-26 |
DE102017214032A1 (de) | 2019-02-14 |
US20190047575A1 (en) | 2019-02-14 |
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