CN112193233A - Engine control method based on extended range hybrid electric vehicle - Google Patents

Engine control method based on extended range hybrid electric vehicle Download PDF

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Publication number
CN112193233A
CN112193233A CN202011128094.2A CN202011128094A CN112193233A CN 112193233 A CN112193233 A CN 112193233A CN 202011128094 A CN202011128094 A CN 202011128094A CN 112193233 A CN112193233 A CN 112193233A
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engine
rotating speed
generator
starting
gcu
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CN112193233B (en
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王文君
郭长新
施芳
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
    • F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D37/00—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for
    • F02D37/02—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for one of the functions being ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/24—Energy storage means
    • B60W2510/242—Energy storage means for electrical energy
    • B60W2510/244—Charge state
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/06—Combustion engines, Gas turbines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/08—Electric propulsion units
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

The invention discloses an engine control method based on an extended range type hybrid electric vehicle, which comprises the following steps that an extended range system receives VCU (vehicle control unit), power battery discharge power and battery state of charge (SOC) information; the VCU controls an engine management system EMS and a generator controller GCU to coordinate to start the engine through a controller area network CAN bus, and the starting of the range-increasing system is completed; the engine is ensured to be reliably started under various environmental conditions of the whole vehicle, the starting performance of the engine is improved, better economy, emission performance and smoothness are obtained, and smooth starting of the engine under extreme conditions, such as low environmental temperature, low power battery electric quantity and the like, and under normal conditions is completed.

Description

Engine control method based on extended range hybrid electric vehicle
Technical Field
The invention relates to the technical field of automobile electronics, in particular to an engine control method based on a range-extending type hybrid electric vehicle.
Background
Currently, for extended range hybrid vehicles, it is important to be able to smoothly start the vehicle under different environments and conditions. The most core of the range-increasing system is the starting of the engine, so that the problem that the engine can be reliably started under various environmental conditions of the whole vehicle is solved, the starting performance of the engine is improved, better economical efficiency, emission performance and smoothness are obtained, and the starting of the engine is completed under extreme conditions (such as low environmental temperature, low electric quantity of a power battery and the like) and normal conditions is particularly important.
Disclosure of Invention
The invention provides an engine control method based on an extended range type hybrid electric vehicle, which aims to solve the starting problem of an engine in an extended range system under different environments and conditions.
The engine control method based on the extended range hybrid electric vehicle of the invention comprises the following steps,
firstly, a range extending system receives a Vehicle Control Unit (VCU), power battery discharge power and battery state of charge (SOC) information;
and secondly, controlling an Engine Management System (EMS) and a Generator Controller (GCU) to coordinate to start the engine by the VCU through a Controller Area Network (CAN) bus, and finishing the starting of the range-extending system.
In the above solution, preferably, in the second step, the VCU controls the Engine Management System (EMS) and the Generator Controller (GCU) to start the engine by coordinating actions through a Controller Area Network (CAN) bus, the GCU controls the generator to rotate, and the generator drives the engine to start, including the following steps,
step one, after receiving a starting command, the EMS and the GCU are respectively in a ready-to-start state, and the EMS and the GCU allow starting of a flag bit;
secondly, the VCU sends a generator working mode and a rotating speed command signal to the GCU through the CAN bus;
thirdly, the GCU receives the working mode and the rotating speed instruction of the generator, and controls the generator to drag the engine to the target rotating speed of oil injection and ignition within the specified time in the rotating speed mode;
fourthly, when the rotating speed of the engine reaches the oil injection ignition target rotating speed or more, the EMS starts to perform oil injection ignition control on the engine;
fifthly, the GCU controls the rotating speed of the generator, and when the rotating speed of an engine dragged by the generator is lower than the target rotating speed of oil injection ignition, the generator is still in a rotating speed control mode; when the rotating speed of the engine is higher than the target rotating speed of oil injection and ignition, the generator enters an idle mode so as to optimize the starting process of the engine;
judging whether the engine is started successfully by the EMS, setting an engine starting success flag, and sending the information to the VCU;
seventhly, the EMS sends the engine starting success information to the VCU and requests a further operation instruction to finish the engine starting.
It is also preferable that, in the third step, the GCU receives the generator operation mode and the rotation speed command, and controls the generator to drag the engine to the injection ignition target rotation speed in the rotation speed mode within a predetermined time; when the rotating speed of the generator does not reach the target rotating speed of oil injection and ignition and still does not reach the target rotating speed of oil injection and ignition after t seconds, the engine fails to start; the GCU sends a fault code to the VCU, and the VCU carries out corresponding control strategy adjustment according to the fault code and restarts the engine.
It is also preferable that, in the third step, the GCU receives the generator operation mode and the rotation speed command, and controls the generator to drag the engine to the injection ignition target rotation speed in the rotation speed mode within a predetermined time; when the rotating speed of the generator reaches the target rotating speed of oil injection and ignition, but the starting success flag sent by the EMS is not received within t1 seconds, the engine fails to start, the EMS sends a fault code to the VCU, and the VCU carries out corresponding control strategy adjustment according to the fault code to restart the engine.
It is also preferable that the VCU controls an Engine Management System (EMS) and a Generator Controller (GCU) to start the engine in a coordinated manner through a Controller Area Network (CAN) bus in the second step, and a starter in the engine starts the engine, including the steps of,
step one, after receiving a starting command, the EMS and the GCU are respectively in a ready-to-start state, and the EMS and the GCU allow starting of a flag bit;
secondly, the VCU controls a starter to work, the starter drives an engine to run, the EMS controls oil injection and ignition of the engine, and meanwhile, the GCU controls a generator to be in an idle mode; adjusting the starting speed and the starting time of the engine according to the water temperature calibration condition;
and thirdly, judging whether the engine is started successfully by the EMS, setting an engine starting success flag, and sending the information to the VCU to finish the engine starting.
The engine control method based on the extended range hybrid electric vehicle can achieve the following beneficial effects:
the engine control method based on the extended range hybrid electric vehicle can solve the problem that the engine can be reliably started under various environmental conditions when the whole vehicle is used, simultaneously improves the starting performance of the engine, obtains better economy, emission performance and smoothness, and completes the smooth starting of the engine under extreme conditions, such as low environmental temperature, low power battery electric quantity and the like, and under normal conditions.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a control strategy of an engine control method based on an extended range hybrid electric vehicle according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Example 1
An engine control method based on an extended range hybrid electric vehicle comprises the following steps,
firstly, a range extending system receives a Vehicle Control Unit (VCU), power battery discharge power and battery state of charge (SOC) information;
and secondly, controlling an Engine Management System (EMS) and a Generator Controller (GCU) to coordinate to start the engine by the VCU through a Controller Area Network (CAN) bus, and finishing the starting of the range-extending system.
Still further, as shown in fig. 1, in the second step, the VCU controls an Engine Management System (EMS) and a Generator Controller (GCU) to start the engine through a Controller Area Network (CAN) bus, when the SOC is less than 30%, the GCU is started to control the generator to rotate, and the generator starts the engine, including the following steps,
step one, after receiving a starting command, the EMS and the GCU are respectively in a ready-to-start state, and the EMS and the GCU allow starting of a flag bit;
secondly, the VCU sends a generator working mode and a rotating speed command signal to the GCU through the CAN bus;
thirdly, the GCU receives the working mode and the rotating speed instruction of the generator, and controls the generator to drag the engine to the target rotating speed of oil injection and ignition within the specified time in the rotating speed mode;
fourthly, when the rotating speed of the engine reaches the target rotating speed of oil injection and ignition and the water temperature is higher than 10 ℃, the target rotating speed of oil injection and ignition is 800 revolutions; when the water temperature is less than or equal to 10 ℃, the target rotation speed of oil injection and ignition is 1000 revolutions, and EMS starts to perform oil injection and ignition control on the engine;
fifthly, the GCU controls the rotating speed of the generator, and when the rotating speed of an engine dragged by the generator is lower than the target rotating speed of oil injection ignition, the generator is still in a rotating speed control mode; when the rotating speed of the engine is higher than the target rotating speed of oil injection and ignition, the generator enters an idle mode so as to optimize the starting process of the engine;
judging whether the engine is started successfully by the EMS, setting an engine starting success flag, and sending the information to the VCU;
seventhly, the EMS sends the engine starting success information to the VCU and requests a further operation instruction to finish the engine starting.
In addition, the GCU receives the working mode and the rotating speed instruction of the generator, controls the generator to drag the engine to the target rotating speed of oil injection and ignition within the specified time in the rotating speed mode, wherein the time is the heat engine time of 2s, and the target rotating speed of oil injection and ignition can be calibrated based on water temperature; when the rotating speed of the engine reaches the oil injection ignition rotating speed of more than 800r/min, the EMS starts to perform oil injection ignition control on the engine, and the oil injection ignition rotating speed can be calibrated based on water temperature; the GCU controls the rotating speed of the engine, and when the rotating speed of the engine is lower than the target rotating speed of oil injection ignition by 1000r/min, the generator is still in a rotating speed control mode; when the rotating speed of the engine is higher than the target rotating speed of oil injection and ignition by 1000r/min, the generator enters an idle mode so as to optimize the starting process of the engine; the oil injection ignition rotating speed is the rotating speed of the EMS starting to perform oil injection ignition and other control on the engine and is to be calibrated based on water temperature; the time from the start of rotation to the oil injection ignition rotation speed is the time from the start of rotation of the engine to the oil injection ignition rotation speed, and the time is to be calibrated based on the water temperature; the target rotation speed of oil injection and ignition when the engine is started is the target rotation speed of oil injection and ignition when the engine is started and stably runs, namely the target rotation speed of oil injection and ignition controlled by the rotation speed of the generator, and the target rotation speed is to be calibrated based on water temperature; the starting time (within 10 seconds) of the engine is the time from the starting to the completion of the starting of the engine and is to be calibrated based on water temperature; when the water temperature is higher than 10 ℃, the target rotation speed of oil injection and ignition is 800 revolutions; when the water temperature is less than or equal to 10 ℃, the target rotation speed of oil injection and ignition is 1000 revolutions.
Example 2
An engine control method based on an extended range hybrid electric vehicle is similar to that of embodiment 1, except that the injection ignition rotating speed is more than ninety percent of the injection ignition target rotating speed; in the third step, the GCU receives the working mode and the rotating speed instruction of the generator, and controls the generator to drag the engine to the target rotating speed of oil injection and ignition in the rotating speed mode within the specified time; when the rotating speed of the generator does not reach the oil injection ignition rotating speed and still does not reach the ignition rotating speed after t seconds, the engine fails to start; the GCU sends a fault code to the VCU, and the VCU adjusts a corresponding control strategy according to the fault code and restarts the engine; in the third step, the GCU receives the working mode and the rotating speed instruction of the generator, and controls the generator to drag the engine to the target rotating speed of oil injection and ignition in the rotating speed mode within the specified time; when the rotating speed of the generator reaches the oil injection ignition rotating speed but the starting success flag sent by the EMS is not received within t1 seconds, the engine fails to start, the EMS sends a fault code to the VCU, and the VCU carries out corresponding control strategy adjustment according to the fault code to restart the engine.
Example 3
An engine control method based on an extended range hybrid electric vehicle, similar to embodiment 1, except that in the second step, a VCU controls an Engine Management System (EMS) and a Generator Controller (GCU) to start an engine by a coordinated action through a Controller Area Network (CAN) bus, a starter in the engine starts the engine, comprising the steps of,
step one, after receiving a starting command, the EMS and the GCU are respectively in a ready-to-start state, and the EMS and the GCU allow starting of a flag bit;
secondly, the VCU controls a starter to work, the starter drives an engine to run, the EMS controls oil injection and ignition of the engine, and meanwhile, the GCU controls a generator to be in an idle mode; adjusting the starting speed and the starting time of the engine according to the water temperature calibration condition;
and thirdly, judging whether the engine is started successfully by the EMS, setting an engine starting success flag, and sending the information to the VCU to finish the engine starting.
In addition, main performance parameters of the starting process of the starting speed and the starting time of the engine are similar to those of the starting process of the engine of the traditional vehicle, and specific data are adjusted according to actual calibration conditions; after the engine is successfully started, the EMS controls the oil injection and ignition time of a throttle valve of the engine, so that combustion is continued into an exhaust pipe to promote the catalyst carrier to rapidly heat up to reach the ignition temperature, the operation condition of the engine and the rapid ignition process of the catalyst are optimized, the ignition time is shortened, and the emission performance of the starting process is improved; after the three-way catalyst is rapidly ignited, the EMS establishes a completion flag and sends information to the VCU; the starting rotating speed of the engine is a target rotating speed in a starter starting mode and is to be calibrated based on water temperature; the starting time of the engine is the time from the starting operation to the successful starting of the engine and is to be calibrated based on the water temperature; the operation condition of the three-way catalyst rapid ignition engine is favorable for the operation condition of the three-way catalyst rapid ignition engine, the rapid ignition time of the three-way catalyst is the time from the successful starting of the engine to the ignition of the catalyst, and the time is within 20 s.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (5)

1. An engine control method based on an extended range hybrid electric vehicle is characterized by comprising the following steps,
firstly, a range extending system receives a Vehicle Control Unit (VCU), power battery discharge power and battery state of charge (SOC) information;
and secondly, controlling an Engine Management System (EMS) and a Generator Controller (GCU) to coordinate to start the engine by the VCU through a Controller Area Network (CAN) bus, and finishing the starting of the range-extending system.
2. The extended range hybrid vehicle-based engine control method of claim 1, wherein in the second step, the VCU controls the Engine Management System (EMS) and the Generator Controller (GCU) to start the engine in coordination through a Controller Area Network (CAN) bus, the GCU controls the generator to rotate, the generator drives the engine to start, comprising the steps of,
step one, after receiving a starting command, the EMS and the GCU are respectively in a ready-to-start state, and the EMS and the GCU allow starting of a flag bit;
secondly, the VCU sends a generator working mode and a rotating speed command signal to the GCU through the CAN bus;
thirdly, the GCU receives the VCU working mode and the rotating speed instruction, and controls the generator to drag the engine to the oil injection ignition target rotating speed within the specified time in the rotating speed mode;
fourthly, when the rotating speed of the engine reaches the oil injection ignition target rotating speed or more, the EMS starts to perform oil injection ignition control on the engine;
fifthly, the GCU controls the rotating speed of the generator, and when the rotating speed of an engine dragged by the generator is lower than the target rotating speed of oil injection ignition, the generator is still in a rotating speed control mode; when the rotating speed of the engine is higher than the target rotating speed of oil injection and ignition, the generator enters an idle mode so as to optimize the starting process of the engine;
judging whether the engine is started successfully by the EMS, setting an engine starting success flag, and sending the information to the VCU;
seventhly, the EMS sends the engine starting success information to the VCU and requests a further operation instruction to finish the engine starting.
3. The extended range hybrid vehicle-based engine control method of claim 2, wherein in the third step, the GCU receives the generator operation mode and the rotation speed command, and controls the generator to drag the engine to the injection ignition target rotation speed in the rotation speed mode within a prescribed time; when the rotating speed of the generator does not reach the target rotating speed of oil injection and ignition and still does not reach the target rotating speed of oil injection and ignition after t seconds, the engine fails to start; the GCU sends a fault code to the VCU, and the VCU carries out corresponding control strategy adjustment according to the fault code and restarts the engine.
4. The extended range hybrid vehicle-based engine control method of claim 2, wherein in the third step, the GCU receives the generator operation mode and the rotation speed command, and controls the generator to drag the engine to the injection ignition target rotation speed in the rotation speed mode within a prescribed time; when the rotating speed of the generator reaches the target rotating speed of oil injection and ignition, but the starting success flag sent by the EMS is not received within t1 seconds, the engine fails to start, the EMS sends a fault code to the VCU, and the VCU carries out corresponding control strategy adjustment according to the fault code to restart the engine.
5. The extended range hybrid vehicle-based engine control method of claim 1, wherein in the second step, the VCU controls the Engine Management System (EMS) and the Generator Controller (GCU) to start the engine in coordination through a Controller Area Network (CAN) bus, and a starter in the engine starts the engine, comprising the steps of,
step one, after receiving a starting command, the EMS and the GCU are respectively in a ready-to-start state, and the EMS and the GCU allow starting of a flag bit;
secondly, the VCU controls a starter to work, the starter drives an engine to run, the EMS controls oil injection and ignition of the engine, and meanwhile, the GCU controls a generator to be in an idle mode; adjusting the starting speed and the starting time of the engine according to the water temperature calibration condition;
and thirdly, judging whether the engine is started successfully by the EMS, setting an engine starting success flag, and sending the information to the VCU to finish the engine starting.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113246960A (en) * 2021-05-19 2021-08-13 上汽通用五菱汽车股份有限公司 Engine cold start method, automobile and computer readable storage medium

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CN106274517A (en) * 2016-09-05 2017-01-04 北京新能源汽车股份有限公司 Torque control method and system in starting process of range extender and electric automobile
CN110254428A (en) * 2019-05-22 2019-09-20 中国第一汽车股份有限公司 A kind of automatic on-off control method of 48V hybrid vehicle
CN111055834A (en) * 2019-11-19 2020-04-24 潍柴动力股份有限公司 Series hybrid power system and engine starting control method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008062745A (en) * 2006-09-06 2008-03-21 Nissan Motor Co Ltd Engine start controller for hybrid vehicle, and engine start control method for hybrid vehicle
CN106274517A (en) * 2016-09-05 2017-01-04 北京新能源汽车股份有限公司 Torque control method and system in starting process of range extender and electric automobile
CN110254428A (en) * 2019-05-22 2019-09-20 中国第一汽车股份有限公司 A kind of automatic on-off control method of 48V hybrid vehicle
CN111055834A (en) * 2019-11-19 2020-04-24 潍柴动力股份有限公司 Series hybrid power system and engine starting control method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113246960A (en) * 2021-05-19 2021-08-13 上汽通用五菱汽车股份有限公司 Engine cold start method, automobile and computer readable storage medium

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