JP7408101B2 - 車両のタイヤの圧力を評価する方法 - Google Patents
車両のタイヤの圧力を評価する方法 Download PDFInfo
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Description
I=f(P)
ここでIは、空気圧指数量であり、Pは、空気圧である。
P=f-1(I)
として圧力Pを直接導き出すことができる。
R=R(P)
ここで、Rは、車輪の回転半径を示す。
(1)
(2)
(3)
(4)
(5)
は、車両の並進の方向の時間の導関数であり、δは、車両のハンドルの操舵角である。
ここで後車輪駆動滑りの均一の推定、すなわちλ3=λ4があり、前の方程式は次に単純化され、
は、Rの見積もりを示す。半径の値Rは、利用可能でないので、説明の過程で参照される度に値
として理解されるべきである)。図4aは、時間t0において、車輪W1の回転半径の0.2%の変動(0.7mmに対応する)が、車輪W1に関連付けられるタイヤの収縮の状態として解釈される、車輪W2の回転半径に対して検出され、低いロジックレベルから高いロジックレベルに異常信号D1の切替によって示される場合を示す。図4bは、時間t0において、車輪W4の回転半径に対する車輪W3の回転半径の0.2%の変動(0.7mmに対応する)が検出され、車輪W3と関連付けられるタイヤの収縮の状態として解釈され、初期値が-所定のタイヤのモデルの場合に-δ=0.0012である収縮状態の検出のためのしきい値δとの比較によって、低いロジックレベルから高いロジックレベルへ異常信号D3の切替によって信号を送られる。
ここで駆動輪の滑りの均一な仮定があり、すなわちλ3=λ4であり、前述の方程式は、次に単純化され、
1つは、
は、1/μ1に比例する車両のグリップ指数である。ここでさらに、
は、例えば、図8の例として表される、再帰的最小自乗法など、例えば回帰分析の既知の方法を適用することによって、見積もられるパラメータである。
は、学習段階の高グリップの状態のグリップ指数であり、
は、見積もりプロセスの現在の実行状態のグリップ指数であり、
は、最悪の場合のAxの値の誤差である。
Claims (13)
- 車両(V)のタイヤ(T1-T4)の圧力を評価する方法であって、
それぞれの前記タイヤ(T1-T4)において、前記タイヤが関連付けられる車輪(W1-W4)の角速度を示す信号またはデータを取得するステップと、
取得された前記信号またはデータのサブセットを選択するステップであって、データの前記サブセットは、車両の直線並進状態において取得された信号またはデータを含む、選択するステップと、
第1のタイヤ(T1;T3)のタイヤ圧力と相関する量の値と、第2のタイヤ(T2;T4)のタイヤ圧力に相関する前記量の値の比較によって、車両(V)の同じ車軸に属するそれぞれのペアの車輪(W1,W2,W3,W4)のタイヤ(T1,T2,T3,T4)の圧力関係を特定するステップであって、前記第1のタイヤ(T1;T3)の前記タイヤ圧力と相関する前記量と、前記第2のタイヤ(T2;T4)の前記タイヤ圧力と相関する前記量の比は、前記第1及び第2のタイヤが関連付けられる前記車輪(W1;W3;W2;W4)の前記角速度を示す前記信号またはデータに基づいて計算される、特定するステップと、
前記車両の第1の車軸に属する第1のペアのタイヤ(T1,T2)の前記第1及び第2のタイヤの圧力に相関する前記量の平均値と、前記車両の第2の車軸に属する第2のペアのタイヤ(T3,T4)の前記第1及び第2のタイヤの圧力に相関する前記量の平均値の比較によって、前記車両(V)の一対の車軸のタイヤのペア(T1,T2,T3,T4)の圧力関係を特定するステップであって、前記車両の前記第1の車軸に属する前記第1のペアのタイヤ(T1,T2)の前記第1及び第2のタイヤの圧力と相関する前記量の平均値と、前記車両の前記第2の車軸に相関する前記第2のペアのタイヤ(T3,T4)の前記第1及び第2のタイヤの圧力と相関する前記量の平均値の比は、前記タイヤのペアが関連付けられた前記車両の前記車軸の前記車輪(W1,W2;W3,W4)の平均角速度を示す信号またはデータに基づいて及び地面での駆動輪の前記タイヤのペアの滑りを示す量に基づいて計算される、特定するステップと、を備え、
前記タイヤ圧力に相関する前記量は、前記車輪の取得された前記角速度から計算された、前記タイヤが取り付けられた前記車輪の回転半径である、方法。 - 地面での前記駆動輪の前記タイヤのペアの滑りを示す前記量は、地面での前記駆動輪のグリップ指数と前記車両の長手方向の加速度の関数である、請求項1に記載の方法。
- 前記車両の後車軸に属する前記車輪(W3,W4)の回転半径の平均値と前記車両の前車軸に属する前記車輪(W1,W2)の回転半径の平均値の比は、関係
ここで、
-ωfは、前記前輪(W1,W2)の平均角速度であり、
-ωrは、前記後輪(W3,W4)の平均角速度であり、
-Rfは、前記前輪(W1,W2)の平均回転半径であり、
-Rrは、前記後輪(W3,W4)の平均回転半径であり、
-
μは、長手方向の摩擦係数であり、
-
-cV2 xは、空気力学力であり、
-Mは、前記車両(V)の質量であり、
-Frollは、回転力である、請求項2に記載の方法。 - 実タイヤ圧力値(T1-T4)と前記タイヤが関連付けられる対応する車輪回転半径(W1-W4)の対応する公称値は、タイヤモデルとタイヤ摩耗状態の中の少なくとも1つのパラメータの関数として要求される、学習ステップを備える、請求項1乃至4のいずれか1項に記載の方法。
- 第1のタイヤ(T1)が関連付けられる前記車輪(W1)の回転半径の値と第2のタイヤ(T2)が関連付けられる前記車輪(W2)の回転半径の値の前記比較は、前記第1のタイヤ(T1)が関連付けられる前記車輪(W1)の回転半径の公称値と、前記第2のタイヤ(T2)が関連付けられる車輪(W2)の回転半径の公称値が比較され、
前記車両の第1の車軸に属する前記車輪(W1,W2)の回転半径の平均値と、前記車両の第2の車軸に属する前記車輪(W3,W4)の回転半径の平均値の前記比較は、前記車両の前記第1の車軸に属する前記車輪(W1,W2)の回転半径の公称の平均値と前記車両の前記第2の車軸に属する前記車輪(W3,W4)の回転半径の公称の平均値が比較される、請求項5に記載の方法。 - 前記比較の終わりにおいて、比較値の差が所定のしきい値より大きいならば、タイヤの収縮状態を決定するステップを備える、請求項6に記載の方法。
- 前記比較の終わりにおいて、比較値の差が所定のしきい値より大きいならば、同じ車軸の車輪(W1,W2,W3,W4)と関連付けられる一対のタイヤ(T1,T2,T3,T4)の収縮状態を特定するステップを備える、請求項6に記載の方法。
- 前記所定のしきい値は、地面での前記駆動輪のグリップ指数、または前記車両(V)の長手方向の速度、または両方の関数として可変である、請求項8に記載の方法。
- 前記直線車両並進状態は、-車両の並進の間-前記車両のブレーキシステムの動作または前記車両の駆動輪へのトルクの変動を示す信号またはデータ、または前記車両の操舵角またはハンドルの回転角を示す信号またはデータを要求することによって決定される、請求項1乃至9のいずれか1項に記載の方法。
- 前記車両(V)の少なくとも1つのタイヤ(T1-T4)の圧力測定を要求するステップを備える、請求項1乃至10のいずれか1項に記載の方法。
- 請求項1乃至11のいずれか1項に記載の方法を実行するようにプログラムされた、車両(V)のタイヤ圧力(T1-T4)を評価する処理システム。
- 請求項1乃至11のいずれか1項に記載の車両のタイヤの圧力を評価する方法を実行する1またはそれ以上のコードモジュールを備える、処理システムによって実行可能なコンピュータプログラムまたはプログラム群。
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IT102018000020212A IT201800020212A1 (it) | 2018-12-19 | 2018-12-19 | Procedimento per la stima della pressione degli pneumatici di un veicolo. |
IT102018000020212 | 2018-12-19 | ||
PCT/IB2019/061079 WO2020128938A1 (en) | 2018-12-19 | 2019-12-19 | Method for estimating the pressure of the tires of a vehicle |
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CN113536061A (zh) * | 2021-06-23 | 2021-10-22 | 深圳市元征未来汽车技术有限公司 | 车辆异常的检测方法、装置、电子设备及存储介质 |
CN114161888B (zh) * | 2021-11-30 | 2023-10-20 | 偌轮汽车科技(武汉)有限公司 | 双胎iTPMS胎压监测方法及其系统 |
CN115352226B (zh) * | 2022-09-02 | 2024-06-07 | 浙江吉利控股集团有限公司 | 胎压控制方法、装置、设备及可读存储介质 |
CN115257251A (zh) * | 2022-09-14 | 2022-11-01 | 联创汽车电子有限公司 | 基于abs的轮胎胎压计算方法及装置 |
CN116142210B (zh) * | 2023-04-21 | 2023-06-30 | 中国第一汽车股份有限公司 | 轮胎差异识别方法、装置、电子设备及存储介质 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005007972A (ja) | 2003-06-17 | 2005-01-13 | Honda Motor Co Ltd | 路面摩擦係数の推定方法 |
JP2006084424A (ja) | 2004-09-17 | 2006-03-30 | Sumitomo Rubber Ind Ltd | 荷重配分判定方法 |
JP2010076702A (ja) | 2008-09-29 | 2010-04-08 | Sumitomo Rubber Ind Ltd | タイヤ内圧低下検出方法及び装置、並びにタイヤ内圧低下検出プログラム |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08156538A (ja) * | 1994-12-06 | 1996-06-18 | Nissan Motor Co Ltd | 車両のタイヤ空気圧検出装置 |
SE0002213D0 (sv) * | 2000-04-12 | 2000-06-13 | Nira Automotive Ab | Tire pressure computation system |
DE60205340T2 (de) * | 2001-02-26 | 2006-03-23 | Toyota Jidosha Kabushiki Kaisha, Toyota | Gerät zur reifenzustandabschätzung und gerät zur erfassung eines abnormalen reifenzustandes |
JP3997864B2 (ja) * | 2002-08-14 | 2007-10-24 | トヨタ自動車株式会社 | 車輪状態取得装置および車両状態取得装置 |
US6802213B1 (en) * | 2003-06-12 | 2004-10-12 | Delphi Technologies, Inc. | Method and apparatus for tire pressure monitoring |
US20050109093A1 (en) * | 2003-11-21 | 2005-05-26 | Siemens Vdo Automotive Corporation | System and method for detecting low tire pressure |
EP1547828B1 (en) * | 2003-11-25 | 2010-10-20 | Sumitomo Rubber Industries Limited | Method for detecting decompression of tires and device thereof, and program for judging decompression of tires |
JP4256797B2 (ja) * | 2004-02-16 | 2009-04-22 | 住友ゴム工業株式会社 | タイヤ空気圧低下警報方法および装置、ならびにタイヤ減圧判定のプログラム |
DE102010037510B4 (de) * | 2010-09-13 | 2016-08-18 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Verfahren zum Zuordnen von Kennungen von Radelektroniken eines Reifendrucküberwachungssystems eines Fahrzeugs zu den Positionen der Räder an dem Fahrzeug |
FR2981884B1 (fr) * | 2011-10-31 | 2016-02-05 | Johnson Contr Automotive Elect | Systeme de surveillance de la pression dans les pneumatiques d'une pluralite de roues d'un vehicule automobile et procede de surveillance de la pression |
JP5993804B2 (ja) * | 2013-06-12 | 2016-09-14 | 株式会社ブリヂストン | タイヤ接地状態推定方法 |
FR3014807B1 (fr) * | 2013-12-18 | 2016-02-05 | Michelin & Cie | Estimation du potentiel d'adherence par evaluation du rayon de roulement |
EP2982521B1 (en) * | 2014-08-04 | 2017-07-19 | Dr. Ing. h.c. F. Porsche AG | System and method for determining tire wear properties |
EP3106360B1 (en) * | 2015-06-16 | 2018-04-11 | Volvo Car Corporation | Method and arrangement for tire to road friction estimation |
KR102219872B1 (ko) * | 2018-10-01 | 2021-02-24 | 다이헤요 고교 가부시키가이샤 | 타이어 상태 감시 시스템, 송신기 및 수신기 |
US11209455B2 (en) * | 2018-11-30 | 2021-12-28 | Pacific Industrial Co., Ltd. | Acceleration detecting device including a circuitry configuration having a set of calculations during one rotation of a wheel assembly |
-
2018
- 2018-12-19 IT IT102018000020212A patent/IT201800020212A1/it unknown
-
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- 2019-12-19 WO PCT/IB2019/061079 patent/WO2020128938A1/en unknown
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- 2019-12-19 EP EP19839269.8A patent/EP3898292B1/en active Active
- 2019-12-19 US US17/416,144 patent/US20220055634A1/en active Pending
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005007972A (ja) | 2003-06-17 | 2005-01-13 | Honda Motor Co Ltd | 路面摩擦係数の推定方法 |
JP2006084424A (ja) | 2004-09-17 | 2006-03-30 | Sumitomo Rubber Ind Ltd | 荷重配分判定方法 |
JP2010076702A (ja) | 2008-09-29 | 2010-04-08 | Sumitomo Rubber Ind Ltd | タイヤ内圧低下検出方法及び装置、並びにタイヤ内圧低下検出プログラム |
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US20220055634A1 (en) | 2022-02-24 |
WO2020128938A1 (en) | 2020-06-25 |
CN113382883B (zh) | 2023-03-31 |
CN113382883A (zh) | 2021-09-10 |
WO2020128938A8 (en) | 2021-01-07 |
EP3898292B1 (en) | 2023-02-01 |
IT201800020212A1 (it) | 2020-06-19 |
JP2022515779A (ja) | 2022-02-22 |
EP3898292A1 (en) | 2021-10-27 |
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