公开(公告)号：US09821793B2

公开(公告)日：2017-11-21

申请号：US15080326

申请日：2016-03-24

Applicant: BYD COMPANY LIMITED

Inventor： Yubo Lian ,  Heping Ling ,  Changjiu Liu ,  Guorui Liu ,  Chengming Lai ,  Guizhong Li

IPC: B60L9/00 ,  B60W20/13 ,  B60K6/442 ,  B60W10/06 ,  B60W10/08 ,  B60W50/00 ,  B60W20/40

CPC classification number: B60W20/13 ,  B60K6/442 ,  B60K6/48 ,  B60K2006/4808 ,  B60W10/02 ,  B60W10/06 ,  B60W10/08 ,  B60W20/10 ,  B60W20/40 ,  B60W50/0097 ,  B60W2510/1005 ,  B60W2510/244 ,  B60W2520/10 ,  B60W2540/103 ,  B60W2540/30 ,  B60W2550/142 ,  B60W2550/20 ,  B60Y2200/92 ,  B60Y2300/182 ,  B60Y2300/43 ,  B60Y2300/60 ,  B60Y2300/91 ,  F02N11/00 ,  F02N2200/061 ,  F02N2200/0801 ,  F02N2200/0802 ,  F02N2200/101 ,  F02N2200/124 ,  Y02T10/6221 ,  Y02T10/626 ,  Y02T10/6291 ,  Y10S903/93

Abstract: The present disclosure provides a hybrid electric vehicle, a drive control method and a drive control device of a hybrid electric vehicle. The drive control method includes: obtaining a current gear position of the hybrid electric vehicle and a current electric charge level of a power battery; determining whether the vehicle is within a speed start-stop interval according to the current gear position of the hybrid electric vehicle and the current electric charge level of the power battery; obtaining a slope of a road on which the vehicle is driving and a current speed of the hybrid electric vehicle, if the vehicle is within a speed start-stop interval; and controlling a working state of an engine and/or a motor of the hybrid electric vehicle according to the slope of the road on which the vehicle is driving and the current speed of the vehicle.