Title:
ELECTRIC VEHICLE DRIVE CONTROLLER
Document Type and Number:
Japanese Patent JP2014135820
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a drive controller which can hold the vehicle reliably, without movement of the vehicle in the reverse direction, during starting on a slope and secure smooth starting without use of sensors dedicated for up-hill assist, independent of the magnitude of the road surface gradient and the weight of the vehicle.SOLUTION: Stationary control start means 26 starts stationary control of a vehicle in response to an ON input of an up-hill assist control change-over switch 15. A stop direction determination means 28 determines a stop direction as to whether the vehicle is on an up-hill or a down-hill, on the basis of the maximum torque imparted to a motor 1 during stationary control of the vehicle. The traveling direction of the vehicle determined by desired traveling direction determination means 27 and the stop direction are compared. When the compared directions coincide with each other, stationary control release means 29 releases stationary control of the vehicle at the time when a directive acceleration torque becomes greater than the maximum torque imparted to the motor 1.
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Inventors:
ZHANG YINGJIE
Application Number:
JP2013001771A
Publication Date:
July 24, 2014
Filing Date:
January 09, 2013
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
B60L9/18; B60L3/00
Attorney, Agent or Firm:
Masashi Noda
Shuji Sugimoto
Shuji Sugimoto
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