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1. (WO2018143759) METHOD FOR ESTIMATING ROAD SURFACE FRICTION COEFFICIENT OF TIRE AND DEVICE FOR ESTIMATING ROAD SURFACE FRICTION COEFFICIENT OF TIRE IN HIGH SPEED NORMAL DRIVING STATE
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Pub. No.: WO/2018/143759 International Application No.: PCT/KR2018/001543
Publication Date: 09.08.2018 International Filing Date: 06.02.2018
IPC:
B60W 40/068 (2012.01) ,B60W 40/105 (2012.01) ,B60W 40/076 (2012.01) ,B60W 40/10 (2006.01)
Applicants: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION[KR/KR]; (Sillim-dong) 1, Gwanak-ro Gwank-gu Seoul 08826, KR
Inventors: YI, Kyongsu; KR
KIM, Taewoo; KR
SEO, Hotae; KR
Agent: ISQUARE PATENT & LAW FIRM; (Daechi-dong, Dowon Bldg) 5th floor, 11, Yeongdong-daero 82-gil Gangnam-gu Seoul 06174, KR
Priority Data:
10-2017-001632506.02.2017KR
Title (EN) METHOD FOR ESTIMATING ROAD SURFACE FRICTION COEFFICIENT OF TIRE AND DEVICE FOR ESTIMATING ROAD SURFACE FRICTION COEFFICIENT OF TIRE IN HIGH SPEED NORMAL DRIVING STATE
(FR) PROCÉDÉ D'ESTIMATION DE COEFFICIENT DE FROTTEMENT DE SURFACE DE ROUTE DE PNEU ET DISPOSITIF D'ESTIMATION DE COEFFICIENT DE FROTTEMENT DE SURFACE DE ROUTE DE PNEU DANS UN ÉTAT DE CONDUITE NORMALE À GRANDE VITESSE
(KO) 고속 정상 주행상황에서의 타이어 노면 마찰계수 추정방법 및 타이어 노면 마찰계수 추정장치
Abstract: front page image
(EN) The present invention relates to a friction coefficient estimating method and a friction coefficient estimating device to estimate a road surface friction coefficient of a tire in a state in which a vehicle is normally driven at a high speed, the method comprising the steps of: acquiring vehicle state information including at least one of engine state information, transmission state information, and chassis state information, from a sensor installed in the vehicle and pre-configured specifications of the vehicle; estimating a longitudinal slip ratio, normal force, and longitudinal force of a tire mounted on each wheel of the vehicle, by using the acquired vehicle state information; and estimating a road surface friction coefficient of the tire by using the estimated longitudinal slip ratio, normal force, and longitudinal force.
(FR) La présente invention concerne un procédé d'estimation de coefficient de frottement et un dispositif d'estimation de coefficient de frottement pour estimer un coefficient de frottement de surface de route d'un pneu dans un état dans lequel un véhicule est normalement entraîné à une vitesse élevée, le procédé comprenant les étapes consistant : à acquérir des informations d'état de véhicule comprenant au moins l'une des informations d'état de moteur, d'informations d'état de transmission et d'informations d'état de châssis, à partir d'un capteur installé dans le véhicule et des spécifications pré-configurées du véhicule; à estimer un rapport de glissement longitudinal, une force normale et une force longitudinale d'un pneu monté sur chaque roue du véhicule, en utilisant les informations d'état de véhicule acquises; et à estimer un coefficient de frottement de surface de route du pneu en utilisant le rapport de glissement longitudinal estimé, la force normale et la force longitudinale.
(KO) 본 발명은 차량이 고속으로 정상 주행하는 상황에서 타이어 노면의 마찰계수를 추정하기 위한 마찰계수 추정방법 및 마찰계수 추정장치에 관한 것으로, 차량에 설치된 센서 및 설정된 차량의 제원으로부터 엔진 상태정보, 변속기 상태정보, 및 섀시 상태정보 중 적어도 하나를 포함하는 차량의 상태정보를 획득하는 단계; 상기 획득한 차량의 상태정보를 이용하여 상기 차량의 각 바퀴에 장착된 타이어에 대한 종방향 미끄럼률, 수직항력 및 종방향힘을 추정하는 단계; 및 상기 추정된 종방향 미끄럼률, 수직항력 및 종방향힘을 이용하여 상기 타이어에 대한 노면 마찰계수를 추정하는 단계를 포함한다.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Korean (KO)
Filing Language: Korean (KO)