Control method and system for extended-range automobile in plateau environment and electronic equipment

By adjusting the engine operating conditions of the range extender according to the ambient temperature and atmospheric pressure, the problem of degradation in the range extender's performance in the plateau environment is solved, and high-efficiency energy consumption planning and normal vehicle operation are achieved.

CN120229239APending Publication Date: 2025-07-01WEICHAI POWER CO LTD
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Patent Information

Application Number
CN202510583889.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-07
Publication Date
2025-07-01

AI Technical Summary

Technical Problem

The performance of the range extender in the prior art has deteriorated in the plateau environment, resulting in abnormal vehicle operation and insufficient energy consumption planning and energy replenishment strategies.

Method used

By obtaining the current ambient temperature and atmospheric pressure of the car, judging its relationship with the preset range, controlling the car to enter different plateau modes, and adjusting the operating conditions of the range extender engine in each mode, including parameters such as power generation power, speed and torque to optimize energy consumption and combustion efficiency.

Benefits of technology

Improve the energy utilization efficiency of the range extender in a plateau environment, provide optimal economy and comfort in the entire region, and ensure the normal operation of the vehicle under plateau conditions.

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Abstract

The invention discloses a control method and system for an extended-range automobile in a plateau environment and electronic equipment, and relates to the technical field of control methods for extended-range automobiles, and the control method comprises the steps that the current environment temperature and the current environment atmospheric pressure of the automobile are obtained; the relation between the current environment temperature and the multiple preset temperature ranges and the size relation between the current environment atmospheric pressure and the multiple preset atmospheric pressure ranges are judged; the automobile is controlled to enter a first plateau mode or a second plateau mode or a third plateau mode according to the relation between the current environment temperature and the multiple preset temperature ranges and the relation between the current environment atmospheric pressure and the multiple preset atmospheric pressure ranges; the ambient temperatures corresponding to the first plateau mode, the second plateau mode and the third plateau mode are gradually reduced, and the atmospheric pressures corresponding to the normal mode, the first plateau mode, the second plateau mode and the third plateau mode are gradually increased; in the first plateau mode, the second plateau mode and the third plateau mode, the range extender engine operates under different working conditions.
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Description

Technical Field

[0001] The present invention relates to the technical field of control methods for range-extended electric vehicles, and particularly to a control method, system, and electronic device for range-extended electric vehicles in a plateau environment. Background Art

[0002] When a range-extended electric vehicle operates in a plateau or cold area, the operating conditions of the range extender highly depend on the operating state of the engine. When the engine operates in a plateau environment, combustion and performance will deteriorate to varying degrees, resulting in a decline in the performance of the range extender, thus affecting the normal operation of the vehicle.

[0003] In the prior art, after the vehicle enters the plateau mode, the post-oxygen diagnostic trigger condition is further satisfied, and the engine of the vehicle is controlled to operate according to the post-oxygen diagnostic function strategy to obtain an engine operating condition adapted to the post-oxygen diagnostic function. Among them, the post-oxygen diagnostic trigger condition is related to the altitude of the vehicle; after the post-oxygen diagnostic function is enabled, the oxygen content data obtained by the engine for post-oxygen diagnosis is acquired; the operating parameters of the range extender are adjusted according to the oxygen content data, where the operating parameters include the ignition timing, fuel injection quantity, and cylinder compression ratio of the engine. However, this control method mainly adjusts the operating parameters such as the ignition timing, fuel injection quantity, and cylinder compression ratio of the engine according to the oxygen content data obtained by the post-oxygen diagnosis of the engine, and the reference factors are relatively single, and there are deficiencies in energy consumption planning and energy replenishment strategies. Summary of the Invention

[0004] The present application provides a control method, system, and electronic device for a range-extended electric vehicle in a plateau environment to solve at least one technical problem existing in the related art.

[0005] According to one aspect of the embodiments of the present application, a control method for a range-extended electric vehicle in a plateau environment is provided, including: obtaining the current ambient temperature and current ambient atmospheric pressure of the vehicle; determining the relationship between the current ambient temperature and multiple preset temperature ranges and the relationship between the current ambient atmospheric pressure and multiple preset atmospheric pressure ranges; controlling the vehicle to enter a first plateau mode, a second plateau mode, or a third plateau mode according to the relationship between the current ambient temperature and multiple preset temperature ranges and the relationship between the current ambient atmospheric pressure and multiple preset atmospheric pressure ranges; the ambient temperatures corresponding to the first plateau mode, the second plateau mode, and the third plateau mode decrease step by step, and the atmospheric pressures corresponding to the first plateau mode, the second plateau mode, and the third plateau mode increase step by step; in the first plateau mode, the second plateau mode, and the third plateau mode, the range extender engine operates under different operating conditions.

[0006] As an alternative implementation, in the first plateau mode: set the maximum limit power generation of the engine; determine whether the current battery SOC value is lower than the first preset SOC value; if the current battery SOC value is lower than the first preset SOC value, correct the preset required power generation under normal temperature and pressure to obtain the target required power generation; determine the target correction value of the power generation speed according to the target required power generation, the current engine temperature, and the current atmospheric pressure; correct the optimal speed of the engine according to the target correction value to obtain the first target speed and the first target torque; control the range extender to operate according to the first target speed and the first target torque.

[0007] As an alternative implementation, the first plateau mode further includes: if the current battery SOC value is higher than the first preset SOC value, correct the optimal speed and the optimal torque of the range extender under normal temperature and pressure according to the current engine temperature, the current atmospheric pressure, and the current required power to obtain the second target speed and the second target torque; control the range extender to operate according to the second target speed and the second target torque.

[0008] As an alternative implementation, in the second plateau mode: select multiple required power generation points according to the current engine temperature, the current ambient atmospheric pressure, and the current required power; select the current power generation point from the multiple required power generation points according to the current battery SOC value.

[0009] As an alternative implementation, in the second plateau mode: adjust the intake pressure and the fuel injection amount of the engine according to the current power generation point, the current ambient atmospheric pressure, and the current ambient temperature; determine whether the actual power generation is lower than the required power generation; if the actual power generation is lower than the required power generation, further adjust the power generation point to ensure the combustion efficiency of the engine.

[0010] As an alternative implementation, in the third plateau mode: select two required power generation points according to the current engine temperature, the current ambient atmospheric pressure, and the current required power; determine whether the current battery SOC value is lower than the second preset SOC value; determine the current power generation point according to the magnitude relationship between the current battery SOC value and the second preset SOC value.

[0011] As an alternative implementation, in the third plateau mode: control the range extender system to prohibit shutdown; adjust the intake pressure and the fuel injection amount of the engine according to the current power generation point, the current atmospheric pressure, and the current ambient temperature to ensure the combustion efficiency of the engine.

[0012] According to another aspect of the present application, a control system for a range-extended vehicle in a plateau environment includes: a working condition acquisition module for acquiring the current ambient temperature and the current ambient atmospheric pressure of the vehicle; a judgment module for judging the relationship between the current ambient temperature and multiple preset temperature ranges and the relationship between the current ambient atmospheric pressure and multiple preset atmospheric pressure ranges; a plateau mode determination module for controlling the vehicle to enter a first plateau mode, a second plateau mode or a third plateau mode according to the relationship between the current ambient temperature and multiple preset temperature ranges and the relationship between the current ambient atmospheric pressure and multiple preset atmospheric pressure ranges; wherein, the ambient temperatures corresponding to the first plateau mode, the second plateau mode and the third plateau mode decrease step by step, and the atmospheric pressures corresponding to the first plateau mode, the second plateau mode and the third plateau mode increase step by step; in the first plateau mode, the second plateau mode and the third plateau mode, the range extender engine operates under different working conditions.

[0013] According to another aspect of the present application, there is provided an electronic device, including a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory complete communication with each other through the communication bus, and is characterized in that the memory is used for storing a computer program; the processor is used for executing the steps of the control method for the range-extended vehicle in the plateau environment by running the computer program stored on the memory.

[0014] According to still another aspect of the present application, there is provided a computer-readable storage medium, in which a computer program is stored, and wherein the computer program is configured to execute the steps of the control method for the range-extended vehicle in the plateau environment when running.

[0015] In an embodiment of the present application, a control method, system, and electronic device for a range-extended vehicle in a plateau environment are provided, including: obtaining the current ambient temperature and current ambient atmospheric pressure of the vehicle; determining the relationship between the current ambient temperature and multiple preset temperature ranges and the relationship between the current ambient atmospheric pressure and multiple preset atmospheric pressure ranges; controlling the vehicle to enter a first plateau mode, a second plateau mode, or a third plateau mode according to the relationship between the current ambient temperature and multiple preset temperature ranges and the relationship between the current ambient atmospheric pressure and multiple preset atmospheric pressure ranges; the ambient temperatures corresponding to the first plateau mode, the second plateau mode, and the third plateau mode decrease step by step, and the atmospheric pressures corresponding to the first plateau mode, the second plateau mode, and the third plateau mode increase step by step; in the first plateau mode, the second plateau mode, and the third plateau mode, the range extender engine operates under different working conditions. By adding plateau modes, comprehensively considering various driving states of the vehicle on the plateau, adopting an intelligent optimized energy consumption plan and energy replenishment strategy, and automatically adjusting the power generation target, the vehicle can provide the best economy and comfort throughout the plateau environment, providing guarantee for driving under plateau conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings herein are incorporated into the specification and constitute a part of this specification, showing embodiments consistent with the present invention and used together with the specification to explain the principles of the present invention.

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 It is a schematic flowchart of a control method for a range-extended vehicle in a plateau environment provided according to an embodiment of the present application. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] In order to enable those skilled in the art to better understand the solutions of the present application, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0020] It should be noted that the terms "first", "second", etc. in the description, claims and above-mentioned drawings of this application are used to distinguish similar objects and do not necessarily describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances so that the embodiments of this application described here can be implemented in an order other than those illustrated or described here. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0021] As Figure 1 shown, according to one aspect of an embodiment of this application, a control method for a range-extended vehicle in a plateau environment is provided, including:

[0022] S1 Obtain the current ambient temperature and current ambient atmospheric pressure of the vehicle;

[0023] S2 Determine the relationship between the current ambient temperature and multiple preset temperature ranges and the relationship between the current ambient atmospheric pressure and multiple preset atmospheric pressure ranges;

[0024] S3 Control the vehicle to enter the first plateau mode, the second plateau mode or the third plateau mode according to the relationship between the current ambient temperature and multiple preset temperature ranges and the relationship between the current ambient atmospheric pressure and multiple preset atmospheric pressure ranges;

[0025] The ambient temperatures corresponding to the first plateau mode, the second plateau mode and the third plateau mode decrease step by step, and the atmospheric pressures corresponding to the first plateau mode, the second plateau mode and the third plateau mode increase step by step; in the first plateau mode, the second plateau mode and the third plateau mode, the range extender engine operates under different working conditions.

[0026] During the vehicle driving process, the range extender controller can intelligently switch to multiple different plateau modes according to the ambient temperature and ambient atmospheric pressure, improving the energy utilization efficiency of the range extender in the plateau environment.

[0027] Among them, it may include four preset temperature ranges, namely greater than the first preset temperature value, less than the first preset temperature value and greater than the second preset temperature value, less than the second preset temperature value and greater than the third preset temperature value, and less than the third preset temperature value. The magnitudes of the third preset temperature value, the second preset temperature value, and the first preset temperature value decrease in sequence; it may include four preset atmospheric pressure ranges, namely greater than the first preset atmospheric pressure, less than the first preset atmospheric pressure and greater than the second preset atmospheric pressure, less than the second preset atmospheric pressure and greater than the third preset atmospheric pressure, and less than the third preset atmospheric pressure. The magnitudes of the third preset atmospheric pressure, the second preset atmospheric pressure, and the first preset atmospheric pressure decrease in sequence.

[0028] Each of the preset temperature values and preset atmospheric pressure values may be data values determined according to different engines matched with the range extender, and different values may be adopted in different systems. For example, if the engine matched with this range extender has strong environmental adaptability, this data may be a lower value; otherwise, this data may be appropriately increased.

[0029] As an optional implementation manner, in the first high-altitude mode: set the maximum limit power generation of the engine; determine whether the current battery SOC value is lower than the first preset SOC value; if the current battery SOC value is lower than the first preset SOC value, correct the preset demand power generation under normal temperature and pressure to obtain the target demand power generation; determine the target correction value of the power generation speed according to the target demand power generation, the current engine temperature, and the current atmospheric pressure; correct the optimal speed of the engine according to the target correction value to obtain the first target speed and the first target torque; control the range extender to operate according to the first target speed and the first target torque.

[0030] As an optional implementation manner, the first high-altitude mode further includes: if the current battery SOC value is higher than the first preset SOC value, correct the optimal speed and the optimal torque of the range extender under normal temperature and pressure according to the current engine temperature, the current atmospheric pressure, and the current demand power to obtain the second target speed and the second target torque; control the range extender to operate according to the second target speed and the second target torque.

[0031] Specifically, after entering the first high-altitude mode, the range extender controller, according to the information obtained, combines the current SOC value of the power battery, calculates the demand power generation, and redistributes the power generation points. The specific implementation method is as follows:

[0032] When entering the first high-altitude mode, the maximum value of the engine's power generation is limited according to a preset setting; determine whether the current battery SOC value meets the conditions. If the previous battery SOC value is lower than the set value, the required power generation at normal temperature and pressure is corrected according to the preset value. The target correction value of the power generation speed is determined based on the engine temperature, atmospheric pressure, and required power. The optimal speed is corrected by the target correction value to obtain the target speed, and the range extender is controlled to operate at the target speed and target torque. If the current battery SOC value is higher than the set value, the required power generation at normal temperature and pressure is not corrected, and corrections are made based on the optimal speed and optimal torque of the range extender under the original normal temperature and pressure. The target correction value of the power generation speed is determined based on the engine temperature, atmospheric pressure, and required power. The optimal speed is corrected by the target correction value to obtain the target speed, and the range extender is controlled to operate at the target speed and target torque.

[0033] As an alternative implementation, in the second high-altitude mode: based on the current engine temperature, current ambient atmospheric pressure, and current required power, multiple required power generation points are selected; based on the current battery SOC value, the current power generation point is selected from the multiple required power generation points.

[0034] As an alternative implementation, in the second high-altitude mode: the intake pressure and fuel injection amount of the engine are adjusted based on the current power generation point, current ambient atmospheric pressure, and current ambient temperature; determine whether the actual power generation is lower than the required power generation; if the actual power generation is lower than the required power generation, further adjust the power generation point to ensure the combustion efficiency of the engine.

[0035] After entering the second high-altitude mode, the range extender controller calculates the required power generation and reallocates the power generation points based on the information obtained and the current SOC value of the power battery. The specific implementation method is as follows: when entering the second high-altitude mode, six required power generation points are selected according to the engine temperature, atmospheric pressure, and required power; a suitable power generation point is selected according to the current battery SOC; the intake pressure, fuel injection amount, and other parameters of the engine are adjusted according to the current power generation point, current atmospheric pressure, and ambient temperature to ensure the combustion efficiency of the engine; compare the required power generation with the actual power generation. When the actual power generation is too low, further adjust the power generation point.

[0036] As an alternative implementation, in the third high-altitude mode: based on the current engine temperature, current ambient atmospheric pressure, and current required power, two required power generation points are selected; determine whether the current battery SOC value is lower than the second preset SOC value; determine the current power generation point according to the magnitude relationship between the current battery SOC value and the second preset SOC value.

[0037] As an alternative embodiment, in the third plateau mode: control the range extender system to prohibit shutdown; adjust the intake pressure and fuel injection volume of the engine according to the current power generation point, current atmospheric pressure, and current ambient temperature to ensure the combustion efficiency of the engine.

[0038] After entering the third plateau mode, the range extender controller calculates the required power and reallocates the power generation point based on the information obtained, combined with the current SOC value of the power battery and the vehicle driving state. The specific implementation process is as follows: when entering the third plateau mode, determine whether the current battery SOC value meets the conditions. If the previous battery SOC value is lower than the set value, use the preset power generation point one, otherwise use the preset power generation point two; the range extender system prohibits shutdown; adjust parameters such as the intake pressure and fuel injection volume of the engine according to the current power generation point, current atmospheric pressure, and ambient temperature to ensure the combustion efficiency of the engine. Among them, the preset power generation point one is less than the preset power generation point two.

[0039] Through information interaction among the vehicle controller, range extender controller, engine controller, and motor controller, during vehicle driving, the range extender controller can intelligently switch to the plateau mode by combining vehicle driving data and parameters such as altitude, temperature, and load detected in real time, and comprehensively consider the current working state of the drive motor, the percentage of the vehicle's power battery SOC, and the real-time monitoring of the power attenuation of the range extender, etc., to perform intelligent energy consumption planning and improve the energy utilization efficiency of the range extender in the plateau environment. Based on the original control strategy, the present invention optimizes and upgrades the strategy, adds the plateau mode, comprehensively considers various driving states of the vehicle on the plateau, adopts intelligent optimized energy consumption planning and energy replenishment strategies, automatically adjusts the power generation power target, so that the vehicle provides the best economy and comfort in the plateau environment, and provides guarantee for driving under plateau conditions.

[0040] It should be noted that all preset values in this application can be set to different values according to different engine models matched by the range extender, and can be calibrated or determined according to experience. This application does not limit this.

[0041] According to another aspect of the present application, a control system for a range-extended vehicle in a plateau environment includes: a working condition acquisition module for acquiring the current ambient temperature and the current ambient atmospheric pressure of the vehicle; a judgment module for judging the relationship between the current ambient temperature and multiple preset temperature ranges and the relationship between the current ambient atmospheric pressure and multiple preset atmospheric pressure ranges; a plateau mode determination module for controlling the vehicle to enter a first plateau mode, a second plateau mode, or a third plateau mode according to the relationship between the current ambient temperature and multiple preset temperature ranges and the relationship between the current ambient atmospheric pressure and multiple preset atmospheric pressure ranges; wherein, the ambient temperatures corresponding to the first plateau mode, the second plateau mode, and the third plateau mode decrease step by step, and the atmospheric pressures corresponding to the first plateau mode, the second plateau mode, and the third plateau mode increase step by step; in the first plateau mode, the second plateau mode, and the third plateau mode, the range extender engine operates under different working conditions.

[0042] According to another aspect of the present application, there is provided an electronic device including a processor, a communication interface, a memory, and a communication bus. Among them, the processor, the communication interface, and the memory complete mutual communication through the communication bus. The characteristic lies in that the memory is used for storing a computer program; the processor is used for executing the steps of the control method of the range-extended vehicle in the plateau environment by running the computer program stored on the memory.

[0043] According to still another aspect of the present application, there is provided a computer-readable storage medium in which a computer program is stored. Among them, the computer program is set to execute the steps of the control method of the range-extended vehicle in the plateau environment when running.

[0044] Those of ordinary skill in the art can understand that the device for implementing the control method of the range-extended vehicle in the plateau environment described above can be a terminal device, and this terminal device can be a smart phone (such as an Android phone, an IOS phone, etc.), a tablet computer, a handheld computer, and a mobile Internet device (Mobile Internet Devices, MID), a PAD and other terminal devices. The present application does not limit the structure of the above electronic device.

[0045] Those of ordinary skill in the art can understand that all or part of the steps in the various methods of the above embodiments can be completed by instructing the relevant hardware of the terminal device through a program, and this program can be stored in a computer-readable storage medium. The storage medium can include: a flash drive, a ROM, a RAM, a magnetic disk, or an optical disc, etc.

[0046] The serial numbers of the above embodiments of the present application are only for description and do not represent the advantages or disadvantages of the embodiments.

[0047] If the integrated unit in the above embodiments is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in the above computer-readable storage medium. Based on such an understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or all or part of this technical solution, can be embodied in the form of a software product. This computer software product is stored in the storage medium and includes several instructions for causing one or more electronic devices (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in various embodiments of this application.

[0048] In the above embodiments of this application, the descriptions of the various embodiments each have their own emphases. For the parts not detailed in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0049] In the several embodiments provided by this application, it should be understood that the disclosed client can be implemented in other ways. Among them, the device embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there can be other division methods. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the displayed or discussed couplings or direct couplings or communication connections to each other can be through some interfaces. The indirect couplings or communication connections of the units or modules can be in electrical or other forms.

[0050] The units described as separate components may or may not be physically separated. The components displayed as units may or may not be physical units, that is, they can be located in one place or distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution provided in this embodiment.

[0051] In addition, in each embodiment of this application, the various functional units can be integrated in a processing unit, or each unit can exist physically alone, or two or more units can be integrated in one unit. The above integrated units can be implemented in the form of hardware or in the form of software functional units.

[0052] In the above embodiments of this application, the descriptions of the various embodiments each have their own emphases. For the parts not detailed in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0053] The above are only the preferred embodiments of this application. It should be noted that for those of ordinary skill in the art, without departing from the principle of this application, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of this application.

Claims

1. A control method for an extended-range vehicle in a plateau environment, characterized in that: include: Get the current ambient temperature and current ambient atmospheric pressure of the car; Determine the relationship between the current ambient temperature and a plurality of preset temperature ranges and the relationship between the current ambient atmospheric pressure and a plurality of preset atmospheric pressure ranges; Controlling the vehicle to enter the first plateau mode, the second plateau mode, or the third plateau mode according to the relationship between the current ambient temperature and a plurality of preset temperature ranges and the size relationship between the current ambient atmospheric pressure and a plurality of preset atmospheric pressure ranges; The ambient temperatures corresponding to the first plateau mode, the second plateau mode and the third plateau mode decrease step by step, and the atmospheric pressures corresponding to the first plateau mode, the second plateau mode and the third plateau mode increase step by step; In the first plateau mode, the second plateau mode and the third plateau mode, the range extender engine operates in different working conditions.

2. The control method of the extended-range vehicle in a plateau environment as claimed in claim 1, characterized in that: In the first plateau mode: Set the maximum power limit for the engine; Determine whether the current battery SOC value is lower than a first preset SOC value; If the current battery SOC value is lower than the first preset SOC value, the preset required power generation power under normal temperature and pressure is corrected to obtain the target required power generation power; Determining a target correction value of the power generation speed according to the target required power generation power, the current engine temperature and the current atmospheric pressure; Correcting the optimal engine speed according to the target correction value to obtain a first target speed and a first target torque; The range extender is controlled to operate according to the first target speed and the first target torque.

3. The control method of the extended-range vehicle in a plateau environment as claimed in claim 2, characterized in that: The first plateau mode also includes: If the current battery SOC value is higher than the first preset SOC value, the optimal speed and optimal torque of the range extender at normal temperature and pressure are corrected according to the current engine temperature, current atmospheric pressure and current required power to obtain a second target speed and a second target torque; The range extender is controlled to operate according to the second target speed and the second target torque.

4. The control method of the extended-range vehicle in a plateau environment as claimed in claim 1, characterized in that: In the second plateau mode: Select multiple required power generation points according to the current engine temperature, the current ambient atmospheric pressure and the current required power; A current power generation point is selected from the plurality of required power generation points according to the current battery SOC value.

5. The control method of the extended-range vehicle in a plateau environment as claimed in claim 4, characterized in that: In the second plateau mode: adjusting the intake pressure and fuel injection amount of the engine according to the current power generation point, the current ambient atmospheric pressure and the current ambient temperature; Determining whether the actual generated power is lower than the required generated power; If the actual power generation is lower than the required power generation, the power generation point is further adjusted to ensure the combustion efficiency of the engine.

6. The control method of the extended-range vehicle in a plateau environment as claimed in claim 1, characterized in that: In the third plateau mode: According to the current engine temperature, the current ambient atmospheric pressure and the current required power, two required power generation points are selected; Determine whether the current battery SOC value is lower than a second preset SOC value; The current power generation point is determined according to the magnitude relationship between the current battery SOC value and the second preset SOC value.

7. The control method of the extended-range vehicle in a plateau environment as claimed in claim 6, characterized in that: In the third plateau mode: Control the range extender system to prohibit shutdown; The engine's intake pressure and fuel injection amount are adjusted according to the current power generation point, current atmospheric pressure, and current ambient temperature to ensure the engine's combustion efficiency.

8. A control system for an extended-range vehicle in a plateau environment, characterized in that: include: The working condition acquisition module is used to obtain the current ambient temperature and current ambient atmospheric pressure of the vehicle; A determination module, used to determine a relationship between the current ambient temperature and a plurality of preset temperature ranges and a relationship between the current ambient atmospheric pressure and a plurality of preset atmospheric pressure ranges; A plateau mode determination module is used to control the vehicle to enter the first plateau mode, the second plateau mode, or the third plateau mode according to the relationship between the current ambient temperature and multiple preset temperature ranges and the size relationship between the current ambient atmospheric pressure and multiple preset atmospheric pressure ranges; wherein the ambient temperatures corresponding to the first plateau mode, the second plateau mode, and the third plateau mode decrease step by step, and the atmospheric pressures corresponding to the first plateau mode, the second plateau mode, and the third plateau mode increase step by step; in the first plateau mode, the second plateau mode, and the third plateau mode, the range extender engine operates under different working conditions.

9. An electronic device comprising a processor, a communication interface, a memory and a communication bus, wherein: The processor, the communication interface and the memory communicate with each other via the communication bus, wherein: The memory is used to store computer programs; The processor is used to execute the steps of the control method of the extended-range vehicle in a plateau environment according to any one of claims 1 to 7 by running the computer program stored in the memory.

10. A computer-readable storage medium, characterized in that: The storage medium stores a computer program, wherein the computer program is configured to execute the steps of the control method for an extended-range vehicle in a plateau environment according to any one of claims 1 to 7 when running.