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Vehicle control device

  • US 9,457,795 B2
  • Filed: 03/26/2012
  • Issued: 10/04/2016
  • Est. Priority Date: 03/26/2012
  • Status: Active Grant
First Claim
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1. A control device of a vehicle, the vehicle including an engine, a first electric motor outputting a starting torque for starting the engine, a second electric motor coupled to wheels, and an electric storage device giving/receiving electric power to/from each of the first and second electric motors,the control device being configured to select a single motor running which is performed by only the second electric motor serving as a drive force source for driving the vehicle, a multiple motor running which is performed by the first electric motor and the second electric motor serving as drive sources for driving the vehicle and which enables generation of a drive force higher than a drive force generable by the single motor running, and an engine running which is performed by at least the engine serving as a drive force source for driving the vehicle and which enables generation of a drive force higher than the drive force generable by the single motor running, such that a level of,a charging capacity of the electric storage device in which the multiple motor running is selectable is higher than a level of the charging capacity in which the single motor running is selectable,during the single motor running performed with the charging capacity being equal to or greater than a first threshold value, the control device being configured, upon increase of the drive force requested by a driver of the vehicle, to select the multiple motor running when the charging capacity is equal to or greater than a second threshold value that is higher than the first threshold value, and to select the engine running when the charging capacity of the electric storage device is less than the second threshold value.

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