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    • 5. 发明专利
    • Steering controller
    • JP4848839B2
    • 2011-12-28
    • JP2006144447
    • 2006-05-24
    • トヨタ自動車株式会社
    • 洋司 溝口
    • B62D6/00B62D5/04B62D101/00B62D111/00B62D113/00B62D119/00B62D127/00B62D137/00
    • PROBLEM TO BE SOLVED: To provide a steering control device attempted to reduce an electric power load on an in-vehicle generator to carry out electric power supply to a steering device. SOLUTION: This steering control device is provided with an electric power generating state determining means to determine whether an electric power generating quantity by the in-vehicle generator 22 is higher than a specified threshold value or not and changes a transmission ratio between a steering angle of a steering handle 2 and a steering angle of a steering wheel 3 to a second transmission ratio larger than a first transmission ratio computed according to a vehicle driving state. Consequently, it is possible to reduce a steering assist force given to the output side of a transmission ratio variable mechanism 4 by increasing torque on the output side of the transmission ratio variable mechanism 4 by increasing the transmission ratio. Accordingly, it is possible to reduce the electric power consumption of a motor 92 of an electric power steering device 9 by reducing the steering assist force and to reduce the electric power load of the in-vehicle generator 22. COPYRIGHT: (C)2008,JPO&INPIT