CN114935897A - High-low temperature dynamic control simulation system and method for electric automobile - Google Patents
High-low temperature dynamic control simulation system and method for electric automobile Download PDFInfo
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Abstract
The invention belongs to the technical field of electric automobiles, and provides a high-low temperature dynamic control simulation system and method for an electric automobile, wherein the method is applied to a whole automobile control unit and comprises the following steps: acquiring simulated temperature information and driving behavior parameters; determining required power information according to the driving behavior parameters; obtaining battery discharge power according to the current state of charge and the running time state of the battery based on the battery temperature multidimensional MAP corresponding to the temperature information; and outputting the required power information and the battery discharge power to a vehicle simulation control unit. According to the invention, the safe discharge power under different temperatures and charge states can be rapidly obtained through the multidimensional MAP of the battery temperature, and on the premise of the safe discharge power, the accurate simulation of the power performance of the whole vehicle is realized.
Description
Technical Field
The invention belongs to the technical field of electric automobiles, and particularly relates to a high-low temperature dynamic control simulation system and method for an electric automobile.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Due to the advantages of electric vehicles in terms of energy utilization rate, environmental protection and the like, more and more people are dedicated to the development and research of electric vehicles. However, in the actual driving process of the electric vehicle, especially in high and low temperature environments, the dynamic performance and the endurance performance are seriously reduced, so that bad experience is brought to drivers, in order to effectively identify the influence of different environments on the performance of the electric vehicle at the initial stage of product design and development, each large host factory puts a large amount of simulation analysis work in the virtual design stage of products, effectively identifies the discharge states of the power battery at different temperatures, and strives to take corresponding measures at the initial stage so as to achieve the purpose of reducing customer complaints to the maximum extent.
However, the current simulation analysis mainly focuses on analyzing the performance of the battery itself under different environments, so as to reflect the influence of the environments on the performance of the electric vehicle. For example, under different working conditions, according to vehicle state information such as vehicle speed and the like, the attenuation conditions of performances such as battery capacity, energy, resistance and the like are observed, or the endurance mileage of the battery under different working conditions is estimated by combining the battery state information. Although the analysis methods can reflect the influence of different environments on the performance of the electric vehicle to a certain extent, the performance of the battery is only at a system component level and cannot reflect the influence on the power of the whole vehicle, for example, the change of the discharge power of the battery at different temperatures can be known, but the influence of the change of the discharge power of the battery on the power of the whole vehicle, such as torque information, cannot be known. Namely, the current simulation analysis can only reflect the performance of the electric automobile under different environments from the system component level, has single dimension, cannot intuitively obtain the performance change of the battery under the influence of the different environments on the performance of the battery on the power of the whole automobile, and provides limited reference for subsequent research and development.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a high-low temperature dynamic control simulation system and method for an electric automobile. The safe discharge power under different temperatures and charge states can be quickly obtained through the multidimensional MAP of the battery temperature, and on the premise of the safe discharge power, the accurate simulation of the power performance of the whole vehicle is realized.
In order to achieve the above object, one or more embodiments of the present invention provide the following technical solutions:
an electric automobile high and low temperature dynamic control simulation system comprises:
the environment control unit is used for acquiring temperature information and sending the temperature information to the whole vehicle control unit;
the driver simulation control unit is used for acquiring driving behavior parameters and sending the driving behavior parameters to the whole vehicle control unit;
the whole vehicle control unit is used for determining required power information according to the driving behavior parameters; obtaining battery discharge power according to the current state of charge and the running time state of the battery based on the battery temperature multidimensional MAP corresponding to the temperature information; and outputting the required power information and the battery discharge power to a vehicle simulation control unit;
and the vehicle simulation control unit is used for realizing driving behaviors based on the required power information and the battery discharge power.
Further, the whole vehicle control unit determines the required power information according to the driving behavior parameters, and the required power information comprises the following steps:
acquiring current state information of a vehicle, and determining the current working condition;
and acquiring the multidimensional MAP of the vehicle control unit corresponding to the current working condition, and acquiring the required power information according to the driving behavior parameters and the current state information.
Further, the vehicle simulation control unit is also used for initializing or resetting basic parameters of the vehicle.
Further, the system also comprises a battery simulation unit which is used for initializing or resetting the basic parameters of the battery.
Further, the system also comprises a motor simulation unit which is used for acquiring the required power information and outputting the required power information to the vehicle simulation control unit through the speed reducer simulation unit.
Further, after the vehicle simulation control unit realizes the driving behavior, the actual power information is transmitted to the driver simulation control unit.
Furthermore, the system also comprises a vehicle-mounted accessory system simulation unit, which is used for receiving control information of one or more accessory system powers and transmitting the control information to a vehicle control unit;
and the vehicle control unit acquires control information of the power of the one or more accessory systems and corrects the current charge state of the battery in real time according to the control information.
One or more embodiments provide a method for simulating high and low temperature dynamic control of an electric automobile based on the system, which comprises the following steps:
an initialization step: acquiring, via an environmental control unit, simulated temperature information;
a driving behavior simulation step: acquiring driving behavior parameters through a driver simulation control unit;
a power demand determination step: the whole vehicle control unit determines required power information according to the driving behavior parameters; obtaining battery discharge power according to the current state of charge and the current running time state of the battery based on the multidimensional MAP of the battery temperature corresponding to the temperature information;
power output step: and realizing driving behaviors based on the required power information and the battery discharge power.
Further, the whole vehicle control unit determines the required power information according to the driving behavior parameters, and the required power information comprises the following steps:
acquiring current state information of a vehicle, and determining a current working condition;
and acquiring the multidimensional MAP of the vehicle control unit corresponding to the current working condition, and acquiring the required power information according to the driving behavior parameters and the current state information.
Further, the initialization step further includes: acquiring basic parameter initialization data of a vehicle via a vehicle simulation control unit; acquiring basic information initialization data of a battery through a battery simulation unit;
further, if the basic information of the vehicle state, the basic information of the battery or the driving behavior is changed, the power demand determining step and the power output step are executed again.
The above one or more technical solutions have the following beneficial effects:
the simulation system takes the influence of temperature on the battery as one dimension of the whole vehicle dynamic performance simulation, can quickly and effectively identify the battery discharge power under different temperatures and charge states through the multidimensional MAP of the battery temperature, and realizes the accurate simulation of the whole vehicle dynamic performance on the premise of ensuring the safe discharge of the battery, thereby providing reference for the subsequent product design and research.
In the whole vehicle simulation stage, according to the preset multidimensional MAP of the whole vehicle controller, corresponding driver intentions can be quickly acquired in a table look-up mode aiming at different driver simulation control information such as acceleration and deceleration, and compared with the calculation of intentions such as torque required by a driver based on the current battery electric quantity, vehicle speed, accelerator pedal and brake pedal parameters, the workload is greatly reduced.
The simulation system can simulate different vehicles by modifying the initialization data of the vehicle simulation control unit and the battery simulation unit, the environment control unit can set the simulation temperature at will, and only the vehicle controller multidimensional MAP and the battery temperature multidimensional MAP matched with the hardware system need to be configured in advance, so that the application range of the system is wide.
By the simulation system or method, initial whole vehicle power information obtained by simulation based on different temperatures and different driving behaviors, and the change conditions of the whole vehicle power information and the battery charge state along with time in the vehicle running process can be obtained, so that the influence of the temperature on two layers of the electric vehicle from a system part level to a whole vehicle level can be reflected more intuitively, and a basis and guidance are provided for subsequent actual test development.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a diagram illustrating an overall architecture of a high and low temperature dynamics control simulation system of an electric vehicle according to one or more embodiments of the present invention;
FIG. 2 is a schematic diagram of a vehicle control unit analyzing battery discharge power based on a multidimensional MAP of battery temperature in one or more embodiments of the invention;
fig. 3 is a flowchart of acquiring initial values of required power and battery discharge power by a vehicle control unit based on driving behavior parameters and temperature information according to one or more embodiments of the present invention.
In the figure, 1-driver simulation control unit, 2-vehicle simulation control unit, 3-Vehicle Control Unit (VCU), 4-motor simulation unit, 5-reducer simulation unit, 6-battery simulation unit, 7-vehicle-mounted accessory system simulation unit, 8-motor rotating speed output sensor simulation unit; 9-analog temperature input signal, 10-analog battery state of charge input, 11-vehicle run time state, 12-multidimensional MAP analysis, 13-power output signal simulation.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
Example one
The embodiment discloses electric automobile high low temperature dynamic control analog system, the system includes: the system comprises a driver simulation control unit 1, a vehicle simulation control unit 2, a Vehicle Control Unit (VCU)3, a motor simulation unit 4, a speed reducer simulation unit 5, a battery simulation unit 6, a vehicle-mounted accessory system simulation unit 7 and a motor rotating speed output sensor simulation unit 8.
The output ends of the driver simulation control unit 1 and the battery simulation unit 6 are connected to the vehicle control unit 3; the output end of the whole vehicle control unit 3 is connected to the vehicle simulation control unit 2 and the motor simulation unit 4; the output end of the vehicle simulation control unit 2 is connected to a motor rotating speed output sensor simulation unit 8, one output end of the motor rotating speed output sensor simulation unit 8 is connected to the vehicle control unit 3, and the other output end of the motor rotating speed output sensor simulation unit 8 is connected to the speed reducer simulation unit 5; the output end of the vehicle simulation control unit 2 is also connected to the driver simulation control unit 1; the battery simulation unit 6 has three output terminals, and except one output terminal connected to the vehicle control unit 3, the other two output terminals 6 are connected to the motor simulation unit 4 and the vehicle-mounted accessory system simulation unit 7, respectively.
In order to realize the simulation of the environment, the system further comprises an environment control unit connected to the vehicle control unit 3 for simulating the ambient temperature. And acquiring the set temperature information and sending the temperature information to the vehicle control unit 3.
And the driver simulation control unit 1 is used for simulating the driving behavior of the whole vehicle in the actual state. Specifically, parameters such as an accelerator pedal, a brake pedal, gears and the like are received and output to the vehicle control unit 3 for simulating driving operation of a driver. As a specific implementation manner, the driver analog control unit 1 implements signal processing through a PID adjustment mode, and outputs the processed signal to the vehicle control unit 3.
The vehicle simulation control unit 2 is used for simulating the basic parameter state of the whole vehicle, including tire information, vehicle weight information, whole vehicle resistance curve information, tire rotational inertia, the running mode of the whole vehicle and the like, so as to more truly reproduce the actual state of the whole vehicle; the power output information received from the vehicle control unit 3 and the gear change information received from the reducer simulation unit 5 are acquired.
The vehicle simulation control unit 2 also feeds back the received gear shift information and battery discharge power to the driver simulation control unit 1.
The vehicle control unit 3 acquires the driving behavior parameters transmitted by the driver simulation control unit 1, acquires the current state information of the vehicle, determines the power output information corresponding to the driving behavior parameters according to the multidimensional MAP of the vehicle controller and the multidimensional MAP of the battery temperature, and outputs the power output information to the vehicle simulation control unit 2 through a vehicle power transmission system.
As a specific implementation manner, the overall vehicle control unit 3 is configured to specifically execute the following steps:
step 1: acquiring current state information and driving behavior parameters of a vehicle, and determining the current working condition; the current state of the vehicle comprises information such as battery power, vehicle speed and the like; the driving behavior parameters comprise parameters such as an accelerator pedal, a brake pedal and gears; the working conditions comprise a driving working condition, a vehicle sliding working condition, a braking working condition and the like.
Step 2: and acquiring the multidimensional MAP of the vehicle control unit corresponding to the current working condition, and acquiring the required power information of driving or braking, such as required torque, according to the current state information and the driving behavior parameters.
The vehicle control unit multidimensional MAP comprises torque MAP and the like under different working conditions. The multi-dimensional MAP of the whole vehicle controller comprises driving parameter calibration values under different control parameters, for example, the torque MAP under a driving working condition or a braking working condition is the multi-dimensional MAP of pedal opening, speed and torque; state of charge under braking conditions, maximum charging power of the battery, and multidimensional MAP of braking torque.
Because the initial multidimensional MAP of the vehicle control unit obtained through actual calibration only considers optimal dynamic performance, optimal efficiency or optimal power consumption, in order to ensure the drivability of the vehicle, the embodiment also performs fine adjustment on the basis of the initial multidimensional MAP. For example, the braking torque under the braking condition is finely adjusted, so that poor driving performance caused by too high braking torque during energy recovery is prevented.
And step 3: the method comprises the steps of obtaining the current temperature, the state of charge (SOC) of a battery and the running time state, and obtaining the discharging power of the battery at the current temperature according to the multi-dimensional MAP of the battery temperature.
The battery temperature multidimensional MAP includes multidimensional MAPs of battery state of charge (SOC), state of operation, and battery discharge power at a plurality of temperatures.
And 4, step 4: and outputting the required power information and the battery discharge power to a vehicle simulation control unit 2 through a whole vehicle power transmission system to realize the driving behavior of the vehicle.
The driving intention of the driver of the vehicle is obtained based on the multidimensional MAP of the whole vehicle controller and the multidimensional MAP of the battery temperature, and compared with the intention of converting the current battery electric quantity, the vehicle speed, the parameters of an accelerator pedal and a brake pedal into the torque required by the driver and the like, the workload is greatly reduced.
Meanwhile, the influence of the power change (such as sudden driving or braking) of the vehicle on the drivability is considered in the preset multidimensional MAP of the whole vehicle controller, and the drivability of the vehicle is considered in the vehicle power simulation process, so that the operation of the simulated vehicle is more practical.
The required power information obtained in the step 2 is used as an initial value of the simulation, and the power information of the vehicle can be adjusted in real time according to the current running state of the vehicle, the current battery charge state and the like in the simulation running process of the vehicle.
Similarly, the battery discharge power obtained in step 3 is also used as an initial value of the present simulation, and the variation of the battery discharge power with time is obtained through the simulation of the driving behavior of the vehicle.
And if the whole vehicle control unit 3 further acquires control information of one or more accessory system powers from the vehicle-mounted accessory system simulation unit 7, the current state of charge of the battery is corrected in real time according to the control information of one or more accessory systems.
The motor simulation unit 4 is used for simulating a power execution unit driving motor of the electric automobile, and the main simulation parameters comprise motor torque, motor power, motor efficiency and the like. The corresponding torque information is output by receiving the required power information input by a Vehicle Control Unit (VCU), such as required torque information, and is output to the reducer simulation unit 5 through the motor rotating speed output sensor simulation unit 8.
The retarder simulation unit 5 also transmits the shift information to the vehicle simulation control unit 2.
The motor rotating speed output sensor simulation unit 8 also feeds back torque information to the whole vehicle control unit 3.
The battery simulation unit 6 is used for simulating a power output unit of the electric automobile, and the main simulation parameters comprise the serial-parallel number of the batteries, the current, the voltage, the internal resistance, the open-circuit voltage and other information of the batteries, are respectively connected to the whole automobile control unit 3, the motor simulation unit 4 and the vehicle-mounted accessory system simulation unit 7, and provide energy output or energy recovery. And the battery simulation unit 6 is also used for simulating the state of charge (SOC) of the battery and transmitting the SOC to a Vehicle Control Unit (VCU) through signals.
The vehicle-mounted accessory system simulation unit 7 is used for simulating power consumption of power consumption accessories on the electric automobile, such as vehicle-mounted headlamps, water pumps, fans and the like. Control information about the accessory system power is acquired and sent to the vehicle control unit 3.
And in the process of simulating the running of the vehicle, the power information of the whole vehicle and the charge state of a battery are also acquired in real time.
Based on the system, initial whole vehicle power information obtained by simulation based on different temperatures and different driving behaviors and the change conditions of the whole vehicle power information and the battery charge state along with time in the running process of the vehicle can be obtained, so that the influence of the temperature on two layers of the electric vehicle from a system part level to a whole vehicle level can be reflected more visually, and a basis and a guidance are provided for subsequent actual test development.
The vehicle simulation control unit and the battery simulation unit can be used for simulating vehicles with different parameters, the environment control unit can set simulation temperature at will, and only the vehicle controller multidimensional MAP and the battery temperature multidimensional MAP matched with the hardware system need to be configured in advance, so that the system is wide in application range.
Example two
Based on the simulation system provided by the first embodiment, the first embodiment provides a method for simulating high and low temperature dynamic control of an electric vehicle, which includes:
an initialization step:
vehicle initialization: according to actual simulation requirements, basic information initialization data of the vehicle state, including tire information, vehicle weight information, whole vehicle resistance curve information, tire rotational inertia, the running mode of the whole vehicle and the like, are acquired through the vehicle simulation control unit 2; the battery simulation unit 6 obtains the initialization data of the basic information of the battery, including the serial-parallel number of the battery, the current, the voltage, the internal resistance, the open-circuit voltage, the initial state of charge of the battery, and the like. The user can modify the initialization data as required.
Environment initialization: according to the simulation requirement, the temperature information is obtained through the environment control module so as to simulate the environment temperature.
A driving behavior simulation step:
the driver control unit 1 receives parameters such as an accelerator pedal, a brake pedal and gears and outputs the parameters to the whole vehicle control unit 3 for simulating the driving operation of a driver.
A power demand determination step:
the whole vehicle control unit 3 acquires the driving behavior parameters transmitted by the driver simulation control unit 1, acquires the current state information of the vehicle, and determines the power output information corresponding to the driving behavior parameters, namely the required torque and the battery discharge power, according to the multidimensional MAP of the whole vehicle controller and the multidimensional MAP of the battery temperature. The specific execution steps comprise:
(1) acquiring simulated temperature information and driving behavior parameters;
(2) determining required power information according to the driving behavior parameters, namely analyzing the intention of a driver;
(3) obtaining battery discharge power according to the current state of charge and the running time state of the battery based on the battery temperature multidimensional MAP corresponding to the temperature information;
(4) and outputting the required power information and the battery discharge power to a vehicle simulation control unit.
The influence of temperature on the battery is used as one dimension of the simulation of the power performance of the whole vehicle, the discharge power of the battery under different temperatures and charge states can be rapidly and effectively recognized through the multidimensional MAP of the battery temperature, the logic control is accurate, the implementation is simple, the real-time performance of adjusting the power output of different power batteries can be ensured, the accurate simulation of the power performance of the whole vehicle is realized on the premise of ensuring the safe discharge of the battery, the reference is provided for the subsequent product design and research, and the great guiding significance is achieved.
The method for determining the required power information according to the driving behavior parameters in the step (2), namely analyzing the intention of the driver, comprises the following steps: acquiring current state information of a vehicle, and determining the current working condition; and acquiring the multidimensional MAP of the vehicle control unit corresponding to the current working condition, and acquiring the required power information according to the driving behavior parameters and the current state information. Of course, any conventional method may be adopted as the method for analyzing the driver intention as long as the driving intention analysis based on the driving behavior parameters can be realized.
In the whole vehicle simulation stage, according to the preset multidimensional MAP of the whole vehicle controller, corresponding driver intentions can be quickly acquired in a table look-up mode aiming at different driver simulation control information such as acceleration and deceleration, and compared with the calculation of intentions such as torque required by a driver based on the current battery electric quantity, vehicle speed, accelerator pedal and brake pedal parameters, the workload is greatly reduced.
Power output step:
the motor simulation unit 4 acquires the required torque, outputs the required torque to the speed reducer simulation unit 5 through the motor rotating speed output sensor simulation unit 8, and outputs the speed change information to the vehicle simulation control unit 2 through the speed reducer simulation unit; the vehicle control unit 3 also outputs the battery discharge power to the vehicle simulation control unit 2, and realizes the driving behavior based on the required torque and the battery discharge power as initial values.
And power change monitoring:
in the vehicle simulation running process, the whole vehicle power information and the battery charge state are obtained in real time and used for simulating the change trend of the whole vehicle power information and the battery discharge state along with time under different temperatures and battery charge states, so that the influence of the temperature on the whole vehicle power is reflected more visually, and reference is provided for subsequent actual research and development.
And if the basic information of the vehicle state, the basic information of the battery or the driving behavior changes, re-executing the power demand determining step and the power output step.
Those skilled in the art will appreciate that the modules or steps of the present invention described above can be implemented using general purpose computer means, or alternatively, they can be implemented using program code that is executable by computing means, such that they are stored in memory means for execution by the computing means, or they are separately fabricated into individual integrated circuit modules, or multiple modules or steps of them are fabricated into a single integrated circuit module. The present invention is not limited to any specific combination of hardware and software.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (11)
1. The utility model provides an electric automobile high low temperature dynamic control analog system which characterized in that includes:
the environment control unit is used for acquiring temperature information and sending the temperature information to the whole vehicle control unit;
the driver simulation control unit is used for acquiring driving behavior parameters and sending the driving behavior parameters to the whole vehicle control unit;
the whole vehicle control unit is used for determining required power information according to the driving behavior parameters; obtaining battery discharge power according to the current state of charge and the current running time state of the battery based on the multidimensional MAP of the battery temperature corresponding to the temperature information; and outputting the required power information and the battery discharge power to a vehicle simulation control unit;
and the vehicle simulation control unit is used for realizing driving behaviors based on the required power information and the battery discharge power.
2. The electric vehicle high and low temperature dynamic control simulation system of claim 1, wherein the determining the required dynamic information by the vehicle control unit according to the driving behavior parameters comprises:
acquiring current state information of a vehicle, and determining a current working condition;
and acquiring the multidimensional MAP of the vehicle control unit corresponding to the current working condition, and acquiring the required power information according to the driving behavior parameters and the current state information.
3. The electric vehicle high and low temperature dynamics control simulation system according to claim 1 or 2, wherein the vehicle simulation control unit is further configured to initialize or reset basic parameters of the vehicle.
4. The high and low temperature dynamic control simulation system of the electric vehicle as claimed in claim 1 or 2, further comprising a battery simulation unit for initializing or resetting basic parameters of the battery.
5. The electric vehicle high and low temperature dynamics control simulation system according to claim 1 or 2, further comprising a motor simulation unit for acquiring the required dynamics information, and outputting the acquired information to the vehicle simulation control unit via a reducer simulation unit.
6. The electric vehicle high and low temperature dynamics control simulation system according to claim 1 or 2, wherein the vehicle simulation control unit transmits actual dynamics information to the driver simulation control unit after the driving behavior is realized.
7. The electric vehicle high and low temperature dynamics control simulation system according to claim 6, further comprising a vehicle-mounted accessory system simulation unit for receiving control information of one or more accessory system powers and transmitting the control information to the vehicle control unit;
and the vehicle control unit acquires control information of the power of the one or more accessory systems and corrects the current charge state of the battery in real time according to the control information.
8. An electric vehicle high and low temperature dynamic control simulation method based on the system according to any one of claims 1 to 7, characterized by comprising the following steps:
an initialization step: acquiring, via an environmental control unit, simulated temperature information;
a driving behavior simulation step: acquiring driving behavior parameters through a driver simulation control unit;
a power demand determination step: the whole vehicle control unit determines required power information according to the driving behavior parameters; obtaining battery discharge power according to the current state of charge and the running time state of the battery based on the battery temperature multidimensional MAP corresponding to the temperature information;
power output step: and realizing driving behaviors based on the required power information and the battery discharge power.
9. The electric vehicle high and low temperature dynamic control simulation method of claim 8, wherein the determining the required dynamic information by the vehicle control unit according to the driving behavior parameters comprises:
acquiring current state information of a vehicle, and determining the current working condition;
and acquiring the multidimensional MAP of the vehicle control unit corresponding to the current working condition, and acquiring the required power information according to the driving behavior parameters and the current state information.
10. The electric vehicle high and low temperature dynamics control simulation method according to claim 8, wherein the initialization step further comprises: acquiring basic parameter initialization data of a vehicle via a vehicle simulation control unit; basic information initialization data of the battery is acquired via the battery simulation unit.
11. The electric vehicle high and low temperature dynamics control simulation method according to claim 8 or 9, wherein the power demand determination step and the power output step are re-executed if the vehicle state basic information, the battery basic information, or the driving behavior changes.
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