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Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2019/189322
Kind Code:
A slope estimation device (120) estimates a slope of a travel road on which a vehicle travels, wherein the slope estimation device comprises an input unit (120a) that acquires a detection value of an acceleration sensor (40a) that detects longitudinal acceleration of the vehicle, a centripetal force detection unit (120c) that detects centripetal force acting on the acceleration sensor (40a) as a result of turning movement of the vehicle, and a slope calculation unit (120b) that calculates the slope of the road on which the vehicle travels on the basis of the detection value of the acceleration sensor (40a). When the vehicle is in a turning movement, the slope calculation unit (120b) determines a component of centripetal force to be superimposed on the detection value of the acceleration sensor (40a) on the basis of a turning center position (P1) of the vehicle, a center of gravity position (P2) of the vehicle, and an installation position (P3) of the acceleration sensor (40a), and calculates the slope of the travel road upon having subtracted the component of centripetal force from the detection value of the acceleration sensor (40a).

FUKAZAWA, Shinichirou (8, Tsuchidana, Fujisawa-sh, Kanagawa 81, 〒2520881, JP)
Application Number:
Publication Date:
October 03, 2019
Filing Date:
March 27, 2019
Export Citation:
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ISUZU MOTORS LIMITED (6-26-1, Minami-Oi Shinagawa-k, Tokyo 22, 〒1408722, JP)
International Classes:
B60W40/076; B62D6/00; F16H59/48; F16H59/52; F16H59/66; F16H61/02
Foreign References:
Attorney, Agent or Firm:
WASHIDA, Kimihito (8th Floor, Shinjuku First West Bldg. 1-23-7, Nishi-Shinjuku, Shinjuku-k, Tokyo 23, 〒1600023, JP)
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