Electric vehicle
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United States of America Patent
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Aug 25, 2015
Grant Date -
Oct 2, 2014
app pub date -
Oct 24, 2011
filing date -
Oct 24, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An electric vehicle comprises a motor controller for controlling an electric motor to execute a control routine to perform torque control when the driving power transmission path is detected to be in the driving power transmission state, and executes a control routine to perform rotational speed control, when the driving power transmission path is detected to be in the driving power cut-off state; wherein in the rotational speed control, an angular velocity of an upstream rotary member gets close to an angular velocity of a downstream rotary member; wherein when shifting from the driving power cut-off state to the driving power transmission state, the motor controller switches the rotational speed control to the torque control after performing predetermined transit control; and wherein a change rate of the torque output is made less in the transit control than in the torque control.
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