Patent ID: 8935051
Filing Date: 2015-01-13
Classification: B60W,B62D,Y02T

Abstract:
1. A method for improving a steering feeling while traveling in a neutral gear state of an eco-roll mode, the method comprising: determining, by one or more controllers, an eco-roll operation condition in which a brake is disengaged, an accelerator pedal is disengaged, and a speed of the vehicle is a reference speed or higher; in response to determining the eco-roll operation condition, converting, by the one or controllers, a gear state of a transmission into a neutral gear state; controlling, by the one or more controllers, an engine revolution per minute (RPM) to an idle RPM to start the eco-roll operation mode; and controlling, by the one or more controllers, an operation of an emergency steering system to assist steering power according to a steering input due to a driver manipulation of a steering wheel while the vehicle travels in a neutral gear state of an eco-roll mode, wherein the emergency steering system is capable of operating when the engine RPM of the vehicle is lowered to an idle state.