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1. JP2017537018 - グリップ喪失状況の検出方法

Office
Japon
Numéro de la demande 2017527864
Date de la demande 16.11.2015
Numéro de publication 2017537018
Date de publication 14.12.2017
Numéro de délivrance 6655079
Date de délivrance 04.02.2020
Type de publication B1
CIB
B60W 40/064
BTECHNIQUES INDUSTRIELLES; TRANSPORTS
60VÉHICULES EN GÉNÉRAL
WCOMMANDE CONJUGUÉE DE PLUSIEURS SOUS-ENSEMBLES D'UN VÉHICULE, DE FONCTION OU DE TYPE DIFFÉRENTS; SYSTÈMES DE COMMANDE SPÉCIALEMENT ADAPTÉS AUX VÉHICULES HYBRIDES; SYSTÈMES D'AIDE À LA CONDUITE DE VÉHICULES ROUTIERS, NON LIÉS À LA COMMANDE D'UN SOUS-ENSEMBLE PARTICULIER
40Calcul ou estimation des paramètres de fonctionnement pour les systèmes d'aide à la conduite de véhicules routiers qui ne sont pas liés à la commande d'un sous-ensemble particulier
02liés aux conditions ambiantes
06liés à l'état de la route
064degré d'adhérence
CPC
B60W 30/02
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
WCONJOINT 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
30Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units ; , or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
02Control of vehicle driving stability
B60W 40/00
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
WCONJOINT 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
40Estimation or calculation of ; non-directly measurable; driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, ; e.g. by using mathematical models
B60W 40/068
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
WCONJOINT 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
40Estimation or calculation of ; non-directly measurable; driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, ; e.g. by using mathematical models
02related to ambient conditions
06Road conditions
068Road friction coefficient
B62D 6/003
BPERFORMING OPERATIONS; TRANSPORTING
62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
DMOTOR VEHICLES; TRAILERS
6Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
002computing target steering angles for front or rear wheels
003in order to control vehicle yaw movement, i.e. around a vertical axis
B60W 2520/125
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
WCONJOINT 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
2520Input parameters relating to overall vehicle dynamics
12Lateral speed
125Lateral acceleration
B60W 2520/14
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
WCONJOINT 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
2520Input parameters relating to overall vehicle dynamics
14Yaw
Déposants ジェイテクト ユーロップ
Inventeurs ミシェリ アンドレ
ラヴィエ クリストフ
ムレール パスカル
Mandataires 特許業務法人前田特許事務所
Données relatives à la priorité 1461464 26.11.2014 FR
Titre
(JA) グリップ喪失状況の検出方法
Abrégé
(JA)

【課題】車両のグリップ喪失状況を検出するための方法として、車両の挙動を正確に、迅速に、且つ信頼性高く診断することができる一方で、実装するのが簡素で安価な新しい方法を提供する。
【解決手段】本発明は、ハンドルによって操作されるステアリングシステムを備えた車両におけるグリップ喪失状況の検出方法に関する。この検出方法は、グリップ喪失の第1指標P1の評価ステップ(a)を備え、この評価ステップ(a)は、第1指標P1として、ハンドルの角度位置を示す変数αに関する、車両のヨーレートを示す運転パラメータψ’の偏微分を計算することを含む。
【選択図】図4