Intelligent Control Method, Apparatus, Storage Medium and Device for Engine Initiation

Patent metadata

Field	Value
Publication number	US-2023407803-A1
Application number	US-202118031612-A
Country	US
Kind code	A1
Filing date	Nov 19, 2021
Priority date	Nov 24, 2020
Publication date	Dec 21, 2023
Grant date	—

Abstract

An intelligent control method for engine initiation, including: determining whether a current driving mode satisfies a predetermined driving mode; when the current driving mode satisfies the predetermined driving mode, acquiring a current remaining capacity of a battery; determining whether the current remaining capacity is greater than a predetermined capacity threshold value; when the current remaining capacity is greater than the predetermined capacity threshold value, not starting an engine, otherwise, acquiring a catalyst temperature and a vehicle operating state; determining, according to the vehicle operating state, whether the catalyst temperature is less than a predetermined temperature threshold value; when the catalyst temperature is not less than the predetermined temperature threshold value, driving the engine to rotate clockwise to start same in a fuel cut-off manner, otherwise, heating a catalyst by a heating plate until the catalyst temperature is not less than the predetermined temperature threshold value.

First claim

1 . A method for intelligent control of engine initiation, comprising following steps:
acquiring a current drive mode of a vehicle; determining whether the current drive mode meets a first predetermined drive mode, wherein the first predetermined drive mode is one of a pure electric drive mode or a hybrid drive mode; acquiring current remaining capacity of a battery when the current drive mode meets the first predetermined drive mode; determining whether the current remaining capacity is greater than a first predetermined capacity threshold, wherein the first predetermined capacity threshold is a sum of a capacity value required for starting an engine, a capacity threshold required for heating a catalytic converter by a heating plate and a capacity threshold required for operating the vehicle in the pure electric drive mode; no need to start the engine when the current remaining capacity is greater than the first predetermined capacity threshold; determining whether an operating state of the vehicle meets a predetermined operating state when the current remaining capacity is not greater than the first predetermined capacity threshold, wherein the predetermined operating state is represented as the vehicle being not in an acceleration state or a torque increasing state; acquiring a temperature of the catalytic converter when the operating state of the vehicle meets the predetermined operating state; determining whether the temperature of the catalytic converter is less than a first predetermined temperature threshold; starting the engine to rotate forward with fuel cut-off when the temperature of the catalytic converter is not less than the first predetermined temperature threshold; and heating the catalytic converter by the heating plate to not less than the first predetermined temperature threshold when the temperature of the catalytic converter is less than the first predetermined temperature threshold; wherein determining whether the operating state of the vehicle meets the predetermined operating state further comprises a step: starting the engine to rotate forward without fuel cut-off when the operating state of the vehicle does not meet the predetermined operating state; and wherein acquiring the temperature of the catalytic converter when the operating state of the vehicle meets the predetermined operating state further comprises steps of: determining whether the current remaining capacity is greater than a second predetermined capacity threshold when the operating state of the vehicle is the predetermined operating state; and acquiring the temperature of the catalytic converter when the current remaining capacity is greater than the second predetermined capacity threshold.

2 - 3 . (canceled)

4 . The method for intelligent control of engine initiation according to claim 1 , wherein the second predetermined capacity threshold is represented as a capacity value required for operating of the vehicle in the pure electric drive mode.

5 . The method for intelligent control of engine initiation according to claim 1 , wherein when the current drive mode does not meet the first predetermined drive mode, the method further comprises following steps:
acquiring an engine start mode; determining whether the engine start mode meets a predetermined start mode; starting the engine to rotate forward without fuel cut-off when the engine start mode does not meet the predetermined start mode; heating the catalytic converter by the heating plate when the engine start mode meets the predetermined start mode; starting the engine to rotate forward with fuel cut-off when the temperature of the catalytic converter is heated to be greater than the first predetermined temperature threshold.

6 . The method for intelligent control of engine initiation according to claim 5 , wherein the current drive mode is an engine drive mode when the current drive mode does not meet the first predetermined drive mode.

7 . The method for intelligent control of engine initiation according to claim 5 , wherein the predetermined start mode is represented as starting the engine where the catalytic converter is heating by the heating plate.

8 . An apparatus for intelligent control of engine initiation, comprising: a drive mode acquisition module configured to acquire a current drive mode of a vehicle;
a first logic module configured to determine whether the current drive mode meets a first predetermined drive mode, wherein the first predetermined drive mode is one of a pure electric drive mode or a hybrid drive mode; a remaining capacity acquisition module configured to acquire current remaining capacity of a battery when the current drive mode meets the first predetermined drive mode; a second logic module configured to determine whether the current remaining capacity is greater than a first predetermined capacity threshold; a first execution module configured not to start an engine when the current remaining capacity is greater than the first predetermined capacity threshold; a third logic module configured to determine whether an operating state of the vehicle meets a predetermined operating state when the current remaining capacity is not greater than the first predetermined capacity threshold, wherein the predetermined operating state is represented as the vehicle being not in an acceleration state or a torque increasing state, and wherein determining whether the operating state of the vehicle meets the predetermined operating state further comprises: starting the engine to rotate forward without fuel cut-off when the operating state of the vehicle does not meet the predetermined operating state; a catalytic converter temperature acquisition module configured to acquire a temperature of a catalytic converter when the operating state of the vehicle meets the predetermined operating state, wherein acquiring the temperature of the catalytic converter when the operating state of the vehicle meets the predetermined operating state further comprises: determining whether the current remaining capacity is greater than a second predetermined capacity threshold when the operating state of the vehicle is the predetermined operating state; and acquiring the temperature of the catalytic converter when the current remaining capacity is greater than the second predetermined capacity threshold; a fourth logic module configured to determine whether the temperature of the catalytic converter is less than a first predetermined temperature threshold; wherein the first predetermined capacity threshold is a sum of a capacity value required for starting the engine, a capacity threshold required for heating the catalytic converter by a heating plate and a capacity threshold required for operating the vehicle in the pure electric drive mode; a second execution module configured to start the engine to rotate forward with fuel cut-off when the temperature of the catalytic converter is not less than the first predetermined temperature threshold; and a third execution module configured to heat the catalytic converter to not less than the first predetermined temperature threshold by the heating plate when the temperature of the catalytic converter is less than the first predetermined temperature threshold.

9 . A computer-readable storage medium, wherein at least one instruction or at least one program is stored in the storage medium, the at least one instruction or the at least one program is loaded and executed by a processor to implement the method for intelligent control of engine initiation according to claim 1 .

10 . A device for intelligent control of engine initiation, comprising a processor and a memory, wherein at least one instruction or at least one program is stor

Assignees

• Geely Holding Group Co Ltd
• Ningbo Geely Royal Engine Components Co Ltd
• Aurobay Tech Co Ltd

Inventors

• An Conghui
• Liu Yiqiang
• Qiao Zhiwei
• Jin Changming
• Dai Zhengxing
• Tang Jiang
• Guo Junjie

Classifications

• F02D41/0255 Primary

  to accelerate the warming-up of the exhaust gas treating apparatus at engine start · CPC title

• F02D2200/0802

  Temperature of the exhaust gas treatment apparatus · CPC title

• F02D2200/50

  said parameters being related to the vehicle or its components · CPC title

• F01N3/2013 Primary

  using electric or magnetic heating means · CPC title

• Y02A50/20

  Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters · CPC title