CN114645795B - Engine control method and device and vehicle - Google Patents
Engine control method and device and vehicle Download PDFInfo
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- CN114645795B CN114645795B CN202110484818.5A CN202110484818A CN114645795B CN 114645795 B CN114645795 B CN 114645795B CN 202110484818 A CN202110484818 A CN 202110484818A CN 114645795 B CN114645795 B CN 114645795B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/10—Introducing corrections for particular operating conditions for acceleration
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/18—Control of the engine output torque
- F02D2250/21—Control of the engine output torque during a transition between engine operation modes or states
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hybrid Electric Vehicles (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The embodiment of the application provides an engine control method, an engine control device and a vehicle, and belongs to the technical field of automobile engines. The method comprises the following steps: when the engine is in an idle state, acquiring idle torque of the engine in the idle state; when the accelerator action of the target vehicle is detected, obtaining target torque to be reached by engine acceleration; the accelerator action is used for indicating that an engine of the target vehicle needs to reach an acceleration state; the engine is controlled to transition from the idle torque to the target torque. According to the engine control method, the engine control device and the vehicle, when the engine exits from the idle state, torque cannot jump, so that the phenomenon that the vehicle runs is reduced, and the drivability of the vehicle is improved.
Description
Technical Field
The embodiment of the application relates to the technical field of automobile engines, in particular to an engine control method and device and a vehicle.
Background
The hybrid electric vehicle with the P2 architecture is characterized in that a motor and a K0 clutch are added on the basis of a traditional vehicle. The motor is mounted between the engine and the K0 clutch, commonly referred to as a P2 motor.
For the P2 architecture, when the driver releases the accelerator pedal and the vehicle speed is lower than a certain value, the engine needs to enter idle speed, then the engine controls the idle speed, the HCU (Hybrid Control Unit, hybrid vehicle controller) is responsible for sending the power generation torque, at the moment, the engine torque request of the HCU torque path is friction torque, the HCU sends the power generation torque request to the engine through an interface of Idleadtrq, the engine receives the power generation torque, and the idle speed control is performed on the engine through the logic of an internal idle speed controller of the engine.
In the related art, when a P2 architecture type automobile enters an acceleration state from an idling state, namely, when a driver steps on an accelerator to accelerate, the automobile generally runs, and the drivability of the whole automobile is affected.
Disclosure of Invention
The embodiment of the application provides an engine control method and device and a vehicle, and aims to reduce the running phenomenon of the vehicle and improve the drivability of the vehicle.
A first aspect of an embodiment of the present application provides an engine control method, including:
when the engine is in an idle state, acquiring idle torque of the engine in the idle state;
when the accelerator action of the target vehicle is detected, obtaining target torque to be reached by engine acceleration; the accelerator action is used for indicating that an engine of the target vehicle needs to reach an acceleration state;
the engine is controlled to transition from the idle torque to the target torque.
Optionally, before detecting the throttle action of the target vehicle, the method further comprises:
detecting an accelerator opening value of the target vehicle;
when the accelerator action of the target vehicle is detected, the target torque to be achieved by the acceleration of the engine is obtained, and the method comprises the following steps:
determining that the engine accelerates when an increase in the accelerator opening value of the target vehicle is detected;
and acquiring target torque to be achieved by accelerating the engine according to the accelerator opening value of the target vehicle after the accelerator opening value is increased.
Optionally, controlling the engine to transition from the idle torque to the target torque includes:
determining a torque difference between the idle torque and the target torque;
and controlling the engine to increase from the idle torque to the target torque according to the torque difference on the basis of the idle torque.
Optionally, before acquiring the idle torque of the engine in the idle state, the method further comprises:
when the engine is detected to be in an idle state, outputting an idle speed request;
the engine is controlled to output an idle torque in response to the idle request.
Optionally, after obtaining the target torque to be achieved by the acceleration of the engine, the method further comprises:
outputting a torque request based on the target torque and the idle torque; the torque request carries the target torque and the idle torque;
controlling the engine to transition from the idle torque to the target torque, comprising:
in response to the torque request, the engine is controlled to transition from the idle torque to the target torque.
A second aspect of the embodiments of the present application provides an engine control apparatus, the apparatus including:
the receiving module is used for receiving the idle torque and the target torque when the engine is in an idle state;
a coordination module for coordinating the idle torque with the target torque and transmitting a final torque request to the engine;
the control module controls the engine to transition from the idle torque to a target torque.
A third aspect of the embodiments of the present application provides a vehicle including an engine control apparatus for executing an engine control method as provided in the first aspect of the embodiments of the present application.
By adopting the engine control method provided by the application, when the engine of the target vehicle needs to exit from the idle state and enter into the acceleration state, the idle torque of the engine in the idle state is firstly obtained, then the target torque to be reached by the engine of the target vehicle is obtained, and then the engine is controlled to transit from the idle torque to the target torque, so that when the engine exits from the idle state, the running of the vehicle caused by the fact that the torque of the engine is reduced to 0 from the torque in the idle state and then increased to the target torque from 0 can be avoided; the torque of the engine is transited from the current torque to the target torque, and jump from the torque to 0 is not generated, so that the running phenomenon of the vehicle is avoided, and the drivability of the vehicle is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments of the present application will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a P2 structure in a vehicle according to an embodiment of the present application;
FIG. 2 is a flowchart illustrating steps of an engine control method according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of an engine control device according to an embodiment of the present application.
Reference numerals: 1. an engine; 2. a K0 clutch; 3. a motor; 4. a transmission; 5. a wheel; 6. and a motor controller.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
In the related art, for a hybrid vehicle of the P2 architecture, when the driver depresses the accelerator pedal, the engine exits the idle state, and the HCU (Hybrid Control Unit, hybrid vehicle controller) torque path transitions from friction torque to the driver's current torque request. The driver torque request is ramped up from zero, but the engine has a positive torque output at idle, when the engine exits idle and responds to the torque request of the HCU torque path, causing the actual torque of the engine to drop from the current torque, causing jerk to occur in the vehicle.
In view of this, the present application proposes an engine control method, by coordinating the idle torque of the engine with the target torque when the vehicle starts accelerating, so that the engine can transition from the idle torque to the target torque, thereby preventing the torque of the engine from dropping, preventing the vehicle from running, and improving the drivability of the vehicle.
Example 1
Referring to fig. 1, a block diagram of a P2 architecture hybrid vehicle is shown. As shown in fig. 1, in a hybrid vehicle of the P2 architecture, an electric motor 3 is provided between a K0 clutch 2 and a transmission 4 of the vehicle, and the vehicle can be driven by the electric motor 3 in cooperation with an engine 1. When the K0 clutch is closed 2, the engine 1 can drive the wheels 5 to rotate after the K0 clutch 2 is shifted through the gearbox 4, and when the K0 clutch 2 is separated, the engine 1 can not drive the wheels 5 to rotate, so that the engine 1 also enters an idle state. A motor controller 6 is further provided at the position of the motor 3, and the motor controller 6 is used to control the output of the motor, and the HCU controls the motor controller 6 so that the engine 1 enters an idle state or an acceleration state.
Referring to FIG. 2, a flow chart illustrating steps of an engine control method, as shown in FIG. 2, may include the steps of:
step S201: and when the engine is in an idle state, acquiring idle torque of the engine in the idle state.
In this step, the idling state of the engine means a state in which the engine is kept in a steady operation and kept at a minimum rotation speed, and at this time, the engine does not output power to the outside; the idling torque of the engine refers to torque output generated by rotation of the engine in an idling state; while the idle torque of the engine may be sent by the idle controller of the engine itself to the HCU of the target vehicle; the HCU is provided with a target interface for receiving the idle torque of the engine, and after receiving a control signal sent by the idle controller of the engine, the HCU converts the control signal into a value of the idle torque and transmits the value to a coordination module in the HCU.
It should be noted that, at the moment when the engine starts to enter the idle state, or at the moment when the engine is in the idle state, or at the moment when the engine is about to exit the idle state, the idle torque can be converted into a control signal by the idle controller of the engine itself and sent to the HCU of the target vehicle, so long as the signal received by the HCU is the idle torque of the engine.
Step S202: when the accelerator action of the target vehicle is detected, obtaining target torque to be reached by engine acceleration; wherein the throttle action is used to indicate that the engine of the target vehicle needs to reach an acceleration state.
In the step, firstly, the accelerator action of the target vehicle needs to be detected, specifically, the accelerator action refers to the action that the driver presses the accelerator pedal, after the accelerator action of the target vehicle is detected, the HCU torque path of the target vehicle transits from friction torque to the driver torque request, and the HCU of the target vehicle controls the engine to exit from the idle state and enter into the acceleration state; the target torque is the torque which is finally reached after the acceleration state of the engine is detected.
Step S203: the engine is controlled to transition from the idle torque to the target torque.
In the step, when the HCU controls the engine to exit from the idle state, a coordination module of the HCU can coordinate the idle torque and the target torque of the engine, specifically, the coordination module can output the idle torque and the target torque in a superposition way, so that the HCU can control the engine to transit from the idle torque to the target torque; the superimposed output here may refer to that the coordination module directly superimposes the idle torque on the basis of the torque being zero, which corresponds to making the engine directly take the idle torque as the initial torque, thereby transitioning to the target torque.
After the steps are carried out, when the engine exits from idling, the torque request of the HCU to the engine is overlapped on the basis of the actual torque (namely the idling torque) close to the engine, so that the torque of the engine cannot drop and then increase, the running phenomenon of the vehicle cannot occur in the process, and the drivability of the vehicle is improved.
In one embodiment, it may be determined whether the vehicle enters an acceleration state by detecting an accelerator opening value of the target vehicle.
Specifically, when an increase in the accelerator opening value of the target vehicle is detected, the engine acceleration may be determined, and the accelerator opening value of the target vehicle after the increase may be used to obtain a target torque to be reached by the engine acceleration.
In this embodiment, the target vehicle may detect the accelerator opening value of the target vehicle by using the sensor, then the sensor may send the accelerator opening value to an ECU (Electronic Control Unit ) of the target vehicle, then the ECU determines a change of the current accelerator opening value of the target vehicle, when the accelerator opening value of the target vehicle increases, according to a correspondence between the accelerator opening value set by the target vehicle itself and a torque to be reached by the engine, and according to the accelerator opening value after the target vehicle increases, a target torque to be reached by the engine under the current accelerator opening value is obtained, and then the ECU transmits a signal of the obtained target torque to the HCU through CAN communication. The corresponding relation between the accelerator opening value of the target vehicle and the torque to be achieved by the engine can be achieved according to the established corresponding relation table.
This step is primarily intended to determine the target torque to be achieved by the engine acceleration.
For example, an accelerator opening value of 10% corresponding to the target torque 100n.m, an accelerator opening value of 20% corresponding to the target torque 200n.m, and so on may be established in the ECU of the target vehicle. Accordingly, when the sensor detects that the opening value of the accelerator currently depressed by the driver is 10%, the target torque can be determined to be 100N.M.
In one embodiment, the engine may be controlled from the idle torque to the target torque by the HCU.
Specifically, after determining a torque difference between the idle torque and the target torque, the engine is controlled to increase from the idle torque to the target torque in accordance with the torque difference on the basis of the idle torque.
In this embodiment, the coordination module in the HCU coordinates the idle torque and the target torque after receiving the idle torque and the target torque of the engine.
For example, when the engine of the target vehicle outputs 30n.m of idle torque and 100n.m of target torque in idle state, the coordination module, after coordination, controls the engine to gradually transition from the current idle torque 30n.m to 100n.m, so that the torque of the engine does not drop to 0n.m first, thereby realizing smooth running of the vehicle.
In one embodiment, the engine control method further includes, prior to obtaining the idle torque of the engine in the idle state:
when the engine is detected to be in an idle state, outputting an idle speed request; the engine is controlled to output an idle torque in response to the idle request.
In this embodiment, a manner of controlling the engine to output idle torque in an idle condition is shown, wherein when the driver releases the throttle and the vehicle speed is below a certain value, the HCU considers that the engine needs to enter an idle state, and triggers an idle request, and then the torque path of the HCU transitions to friction torque for the torque request of the engine, and then the idle controller logic inside the engine performs idle control on the engine after receiving the idle request.
After the idle speed controller logic in the engine performs idle speed control on the engine, the idle speed controller of the engine transmits a result of controlling idle speed torque to the HCU, and the HCU can obtain the idle speed torque when the engine is in an idle state through a corresponding target interface on the HCU.
In one embodiment, after obtaining the target torque to be achieved for obtaining the engine acceleration, the engine control method further includes:
outputting a torque request based on the target torque and the idle torque; at this time, the engine may be controlled to transition from the idle torque to the target torque in response to the torque request.
In this embodiment, a coordination module is disposed inside the HCU, after the HCU receives signals of the idle torque and the target torque, the signals of the idle torque and the target torque are coordinated through the coordination module, and the signals of the idle torque and the target torque are superimposed on the coordination module, specifically, the target torque is superimposed on the basis of the idle torque, so that the coordination module outputs a superimposed torque request, the torque request can indicate the engine to rise from the idle torque to the target torque, and then under the torque request, the HCU controls the engine to transit from the idle torque to the target torque, so as to avoid a jogging phenomenon caused by the engine rising from the idle torque to the target torque after the idle torque is reduced to zero.
Of course, in still other embodiments, the engine may be controlled directly to output idle torque when the vehicle is detected to be idling, then the idle torque is recorded in the HCU, and when the vehicle is detected to enter an accelerating state, the HCU may control the engine to directly rise from the idle torque to the target torque according to the recorded idle torque.
Example two
Referring to fig. 3, another embodiment of the present application provides an engine control apparatus, based on the same inventive concept, comprising:
a receiving module for receiving a value of an idle torque and a value of a magnitude of the target torque when the engine is in an idle state;
a coordination module for coordinating the value of the idle torque with the value of the target torque and transmitting a final torque request to the engine;
the control module controls the engine to transition from the idle torque to a target torque.
It should be noted that the device provided in this embodiment may be a part of the HCU of the target vehicle, or may be used in combination with the HCU of the target vehicle, and the device is not limited herein, so long as the device can implement a corresponding function.
In one embodiment, the apparatus further comprises:
the first detection module is used for detecting the throttle action of the target vehicle;
the second detection module is used for detecting whether the accelerator opening value of the target vehicle is larger than a preset opening value or not, and acquiring target torque to be achieved by accelerating the engine according to the current accelerator opening value when the accelerator opening value of the target vehicle is detected to be larger than the preset opening value.
In one embodiment, the control module may include the following elements:
a comparison unit configured to determine a torque difference between the idle torque and the target torque;
and a transition unit for controlling the engine to increase from the idle torque to the target torque according to the torque difference on the basis of the idle torque.
In one embodiment, the apparatus further comprises:
the third detection module is used for detecting whether the engine enters an idle state or not and outputting an idle speed request when detecting that the engine needs to enter the idle state;
and the first response module is used for responding to the idle speed request and controlling the engine to output idle speed torque.
In one embodiment, the apparatus further comprises:
an output module for outputting a torque request based on the target torque and the idle torque;
and a second response module for responding to the torque request and controlling the engine to transition from the idle torque to the target torque.
Example III
Based on the same inventive concept, another embodiment of the present application provides a vehicle including an engine control device for executing the engine control method as provided in the first embodiment of the present application.
For the device embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, and reference is made to the description of the method embodiments for relevant points.
In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described by differences from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.
It will be apparent to those skilled in the art that embodiments of the present application may be provided as a method, apparatus, or computer program product. Accordingly, the present embodiments may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present application may take the form of a computer program product on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
Embodiments of the present application are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal device to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal device, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present embodiments have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the present application.
Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or terminal device comprising the element.
The foregoing has described in detail the methods, apparatus and vehicles for engine control provided herein, with specific examples being used herein to illustrate the principles and embodiments of the present application, the above examples being provided only to assist in understanding the methods and core ideas of the present application; meanwhile, as those skilled in the art will have modifications in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above.
Claims (6)
1. An engine control method, characterized in that the method comprises:
when the engine is in an idle state, acquiring idle torque of the engine in the idle state;
when the accelerator action of the target vehicle is detected, obtaining target torque to be reached by engine acceleration;
the method comprises the steps that the accelerator action is used for indicating that an engine of a target vehicle needs to reach an acceleration state, and after the accelerator action of the target vehicle is detected, an HCU torque path of the target vehicle transits from friction torque to a driver torque request, and the HCU of the target vehicle controls the engine to exit from an idling state and enter into the acceleration state;
controlling the engine to transition from the idle torque to the target torque, comprising: determining a torque difference between the idle torque and the target torque; and controlling the engine to increase from the idle torque to the target torque according to the torque difference on the basis of the idle torque.
2. The engine control method according to claim 1, characterized in that before detecting the throttle action of the target vehicle, the method further comprises:
detecting an accelerator opening value of the target vehicle;
when the accelerator action of the target vehicle is detected, the target torque to be achieved by the acceleration of the engine is obtained, and the method comprises the following steps:
determining that the engine accelerates when an increase in the accelerator opening value of the target vehicle is detected;
and acquiring target torque to be achieved by accelerating the engine according to the accelerator opening value of the target vehicle after the accelerator opening value is increased.
3. The engine control method according to claim 1, characterized in that before the idle torque of the engine in the idle state is obtained, the method further comprises:
when the engine is detected to be in an idle state, outputting an idle speed request;
the engine is controlled to output an idle torque in response to the idle request.
4. The engine control method according to claim 3, characterized in that after the target torque to be achieved by the engine acceleration is obtained, the method further comprises:
outputting a torque request based on the target torque and the idle torque; the torque request carries the target torque and the idle torque;
controlling the engine to transition from the idle torque to the target torque, comprising:
in response to the torque request, the engine is controlled to transition from the idle torque to the target torque.
5. An engine control apparatus, characterized by comprising:
the receiving module is used for receiving the idle torque and the target torque when the engine is in an idle state;
a coordination module for coordinating the idle torque and the target torque and transmitting a final torque request to an engine;
a control module that determines a torque difference between the idle torque and the target torque; controlling the engine to increase from the idle torque to the target torque according to the torque difference on the basis of the idle torque;
after the accelerator action of the target vehicle is detected, the HCU torque path of the target vehicle transits from friction torque to a driver torque request, and the HCU of the target vehicle controls the engine to exit from an idle state and enter into an acceleration state.
6. A vehicle, characterized in that: the vehicle includes an engine control device for executing the engine control method according to any one of claims 1 to 4.
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| CN202110484818.5A CN114645795B (en) | 2021-04-30 | 2021-04-30 | Engine control method and device and vehicle |
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| CN202110484818.5A CN114645795B (en) | 2021-04-30 | 2021-04-30 | Engine control method and device and vehicle |
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| JP4282151B2 (en) * | 1999-06-09 | 2009-06-17 | 富士重工業株式会社 | Engine control device |
| JP3852345B2 (en) * | 2002-02-04 | 2006-11-29 | 日産自動車株式会社 | Vehicle control device |
| JP2005042566A (en) * | 2003-07-23 | 2005-02-17 | Daihatsu Motor Co Ltd | Power control method for vehicle |
| JP5320945B2 (en) * | 2008-09-30 | 2013-10-23 | マツダ株式会社 | Vehicle control apparatus and control method |
| CN104853952B (en) * | 2012-12-12 | 2016-12-14 | 日产自动车株式会社 | The driving torque of vehicle controls device |
| JP2019060270A (en) * | 2017-09-26 | 2019-04-18 | トヨタ自動車株式会社 | Control device for internal combustion engine |
| CN109017749B (en) * | 2018-06-29 | 2020-07-10 | 重庆长安汽车股份有限公司 | Idle speed control method of hybrid electric vehicle |
| CN112406850B (en) * | 2019-08-22 | 2024-03-19 | 比亚迪股份有限公司 | Hybrid vehicle, control method and control system thereof, and storage medium |
| CN112440758A (en) * | 2019-09-03 | 2021-03-05 | 比亚迪股份有限公司 | Vehicle and starting control method and control device thereof |
| CN110920603B (en) * | 2020-02-18 | 2020-07-07 | 吉利汽车研究院（宁波）有限公司 | Idle speed power generation control method and system for hybrid electric vehicle |
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