CN115857463A - Control method, device and equipment for vehicle hybrid power assembly performance test - Google Patents
Control method, device and equipment for vehicle hybrid power assembly performance test Download PDFInfo
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Abstract
The invention discloses a control method, a device and equipment for testing the performance of a vehicle hybrid power assembly. The invention can simulate various complex test working conditions of the hybrid power through a hardware-in-the-loop driver model, and performs the performance test of the whole vehicle hybrid power assembly by combining the whole vehicle HCU controller and the test bench, thereby improving the accuracy of the test data of the vehicle hybrid power assembly and being beneficial to shortening the research and development period and the production period of the vehicle.
Description
Technical Field
The invention relates to the field of vehicle testing, in particular to a control method, a device and equipment for vehicle hybrid power assembly performance testing.
Background
The existing test method for the hybrid power assembly of the vehicle generally tests the hybrid power assembly of the vehicle by using a load rack so as to verify the system performance of the hybrid power, and tests various performance indexes of the hybrid power assembly by using the load rack based on preset constant working conditions such as constant torque, constant power and the like so as to obtain data parameters of the hybrid power assembly of the vehicle.
However, the performance of the hybrid power assembly of the vehicle is verified through the existing load bench test, and the following defects exist: the test conditions of the rack are different from the configuration of the whole vehicle, and the test error is larger; all working conditions of the whole vehicle cannot be simulated, and the test items are incomplete. Therefore, the acquisition of the performance data of the hybrid powertrain of the vehicle by the load bed is not accurate enough.
Therefore, a control strategy for testing the performance of the vehicle hybrid powertrain is needed to solve the problem of low accuracy of the test data of the vehicle hybrid powertrain.
Disclosure of Invention
The embodiment of the invention provides a control method, a device and equipment for testing the performance of a vehicle hybrid power assembly, which are used for improving the accuracy of test data of the vehicle hybrid power assembly.
In order to solve the above problem, an embodiment of the present invention provides a control method for a vehicle hybrid powertrain performance test, including:
responding to a test item selected by a user, and generating a power control instruction and a working condition simulation instruction corresponding to the test item through a hardware-in-the-loop driver model;
transmitting the power control instruction to a vehicle HCU controller so that the vehicle HCU controls the vehicle hybrid power assembly according to the power control instruction; transmitting the working condition simulation instruction to a test bench so that the test bench controls a load motor according to the working condition simulation instruction; the load motor is used for simulating the working condition of the vehicle hybrid power assembly;
receiving performance data of the vehicle hybrid power assembly transmitted by a test bench; wherein the vehicle hybrid is connected to the test rig and the performance data is obtained by the test rig by collecting operating parameters of the vehicle hybrid.
As an improvement of the above scheme, the responding to the test item selected by the user, and generating a power control command and a working condition simulation command corresponding to the test item through a hardware-in-the-loop driver model specifically include:
after receiving a test item selected by a user, identifying the test item; wherein the test items include: endurance test and charging test;
when the test item is identified as a endurance test, generating a power simulation instruction and a resistance simulation instruction of the endurance test through a driver model of a hardware-in-the-loop;
when the test item is identified as a charging test, generating a charging simulation instruction and a data acquisition instruction of the charging test through a driver system in a hardware-in-loop; wherein the power control command comprises: a power simulation instruction and a charging simulation instruction; the working condition simulation instruction comprises the following steps: a resistance simulation instruction and a data acquisition instruction.
As an improvement of the above scheme, the power control instruction is transmitted to a vehicle HCU controller, so that the vehicle HCU controller controls the vehicle hybrid assembly according to the power control instruction, specifically:
when the test item is a endurance test, transmitting a power simulation instruction to the vehicle HCU controller, so that the vehicle HCU controller controls the engine to stop and controls the electric drive module to run at full power according to the power simulation instruction; wherein the hybrid powertrain includes the engine and the electric drive module;
when the test item is the test of charging, will charge the analog command and transmit whole car HCU controller to make whole car HCU controller according to charge the analog command, carry out the battery power detection of electric drive module: when the battery electric quantity is larger than the preset electric quantity value, controlling the electric drive module to run at full power; when the electric quantity of the battery is smaller than the preset electric quantity value, controlling the engine to start; wherein the engine is used for providing electric quantity for the electric drive module.
As an improvement of the above scheme, the operating condition simulation instruction is transmitted to a test bench so that the test bench controls the load motor according to the operating condition simulation instruction, and the method specifically comprises the following steps:
when the test item is a endurance test, transmitting a resistance simulation instruction to the test bench so as to enable the test bench to control the load motor to operate according to working condition data corresponding to the resistance simulation instruction according to the resistance simulation instruction, and acquiring the operating parameters of the load motor in real time;
and when the test item is a charging test, transmitting a data acquisition instruction to the test bench so that the test bench acquires the running parameters of the hybrid power assembly in real time according to the data acquisition instruction.
Correspondingly, an embodiment of the present invention further provides a control device for a vehicle hybrid powertrain performance test, including: the device comprises a data generation module, a data control module and a data receiving module;
the data generation module is used for responding to a test item selected by a user and generating a power control instruction and a working condition simulation instruction corresponding to the test item through a hardware-in-the-loop driver model;
the data control module is used for transmitting the power control instruction to a vehicle HCU controller so that the vehicle HCU controller controls the vehicle hybrid power assembly according to the power control instruction; transmitting the working condition simulation instruction to a test bench so that the test bench controls a load motor according to the working condition simulation instruction; the load motor is used for simulating the working condition of the vehicle hybrid power assembly;
the data receiving module is used for receiving the performance data of the vehicle hybrid power assembly transmitted by the test bench; wherein the vehicle hybrid is connected to the test rig and the performance data is obtained by the test rig by collecting operating parameters of the vehicle hybrid
As an improvement of the above scheme, the data generation module includes: an item identification unit, a first identification result unit and a second identification result unit;
the item identification unit is used for identifying the test item after receiving the test item selected by the user; wherein the test items include: endurance test and charging test;
the first identification result unit is used for generating a power simulation instruction and a resistance simulation instruction of the endurance test through a driver model of a hardware-in-the-loop when the test item is identified as the endurance test;
the second identification result unit is used for generating a charging simulation instruction and a data acquisition instruction of the charging test through a driver system in a hardware-in-the-loop when the test item is identified as the charging test; wherein the power control command comprises: a power simulation instruction and a charging simulation instruction; the working condition simulation instruction comprises the following steps: resistance simulation instructions and data acquisition instructions.
As an improvement of the above scheme, the power control instruction is transmitted to a vehicle HCU controller, so that the vehicle HCU controller controls the vehicle hybrid assembly according to the power control instruction, specifically:
when the test item is a endurance test, transmitting a power simulation instruction to the vehicle HCU controller, so that the vehicle HCU controller controls the engine to stop and controls the electric drive module to run at full power according to the power simulation instruction; wherein the hybrid powertrain includes the engine and the electric drive module;
when the test item is the test of charging, will charge the analog command and transmit whole car HCU controller to make whole car HCU controller according to charge the analog command, carry out the battery power detection of electric drive module: when the battery electric quantity is larger than the preset electric quantity value, controlling the electric drive module to run at full power; when the electric quantity of the battery is smaller than the preset electric quantity value, controlling the engine to start; wherein the engine is used for providing electric quantity for the electric drive module.
As an improvement of the above scheme, the transmitting the working condition simulation instruction to a test bench to control the load motor by the test bench according to the working condition simulation instruction specifically comprises:
when the test item is a endurance test, transmitting a resistance simulation instruction to the test bench so as to enable the test bench to control the load motor to operate according to working condition data corresponding to the resistance simulation instruction according to the resistance simulation instruction, and acquiring the operating parameters of the load motor in real time;
and when the test item is a charging test, transmitting a data acquisition instruction to the test bench so that the test bench acquires the running parameters of the hybrid power assembly in real time according to the data acquisition instruction.
Accordingly, an embodiment of the present invention further provides a computer terminal device, which includes a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, and when the processor executes the computer program, the processor implements a control method for a vehicle hybrid powertrain performance test according to the present invention.
Correspondingly, an embodiment of the invention further provides a computer-readable storage medium, which includes a stored computer program, wherein when the computer program runs, the apparatus in the computer-readable storage medium is controlled to execute the control method for testing the performance of the vehicle hybrid powertrain according to the invention.
Therefore, the invention has the following beneficial effects:
the invention provides a control method for a vehicle hybrid power assembly performance test, which comprises the steps of generating a power control instruction and a working condition simulation instruction through a hardware-in-loop driver model after a user selects a test item, transmitting the power control instruction to a vehicle HCU controller, transmitting the working condition simulation instruction to a test bench, controlling the vehicle hybrid power assembly through the vehicle HCU controller, simulating the working condition of the vehicle hybrid power assembly through the test bench, and finally completing the performance test of the vehicle hybrid power assembly by receiving performance data transmitted by the test bench. The invention can simulate various complex test working conditions of the hybrid power through a hardware-in-the-loop driver model, and performs the performance test of the whole vehicle hybrid power assembly by combining the whole vehicle HCU controller and the test bench, thereby improving the accuracy of the test data of the vehicle hybrid power assembly and being beneficial to shortening the research and development period and the production period of the vehicle.
Drawings
FIG. 1 is a schematic flow chart illustrating a control method for a vehicle hybrid powertrain performance test according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a control device for a vehicle hybrid powertrain performance test according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a control system for a vehicle hybrid powertrain performance test according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
Example one
Referring to fig. 1, fig. 1 is a schematic flow chart of a control method for a vehicle hybrid powertrain performance test according to an embodiment of the present invention, as shown in fig. 1, the embodiment includes steps 101 to 103, and each step specifically includes the following steps:
step 101: responding to a test item selected by a user, and generating a power control instruction and a working condition simulation instruction corresponding to the test item through a driver model of a hardware-in-the-loop.
In the embodiment, the hybrid powertrain generally comprises an engine, an electric machine and a power coupling device, and the energy flow is from fuel oil of the engine and a power battery for supplying electric power to the electric machine.
In the embodiment, a driver model with hardware in a loop (Hil) can simulate various complex test conditions of hybrid power, including parking power generation, endurance mileage of pure electric driving, energy recovery in a hybrid mode, oil consumption in an engine direct-drive mode, C-wtvc and other conditions, and the like. And (3) outputting a signal to a vehicle HCU controller by a hardware-in-loop (Hil), outputting a signal to control the hybrid power assembly by the HCU, and simultaneously checking whether the HCU software control logic is abnormal or not.
In this embodiment, the responding to the test item selected by the user, and generating a power control instruction and a working condition simulation instruction corresponding to the test item through a hardware-in-the-loop driver model specifically include:
after receiving a test item selected by a user, identifying the test item; wherein the test items include: endurance test and charging test;
when the test item is identified as a endurance test, generating a power simulation instruction and a resistance simulation instruction of the endurance test through a driver model of a hardware-in-the-loop;
when the test item is identified as a charging test, generating a charging simulation instruction and a data acquisition instruction of the charging test through a driver system in a hardware-in-loop; wherein the power control command comprises: a power simulation instruction and a charging simulation instruction; the working condition simulation instruction comprises the following steps: resistance simulation instructions and data acquisition instructions.
In a specific embodiment, before a user selects a test item, a hardware-in-loop system and a load motor power supply are started, a low-voltage control power supply of an electric drive unit is started, after the hardware-in-loop system confirms that the communication of a finished automobile HCU controller on a test bench is normal, a key electrifying signal, a brake signal, an air pressure signal, a gear signal and the like required by high voltage are generated to the finished automobile HCU controller through simulation of the hardware-in-loop (Hil) system, after the finished automobile HCU controller receives the signals, the condition that the high voltage condition is met is judged, a relay is closed, and the electric drive unit finishes the high voltage, so that the test system is started. In the embodiment, the high-voltage power-on logic can be verified by completely simulating the high-voltage starting process on the real whole vehicle.
Step 102: transmitting the power control instruction to a vehicle HCU controller so that the vehicle HCU controls the vehicle hybrid power assembly according to the power control instruction; transmitting the working condition simulation instruction to a test bench so that the test bench controls a load motor according to the working condition simulation instruction; the load motor is used for simulating the working condition of the vehicle hybrid power assembly.
In this embodiment, the transmitting the power control command to the vehicle HCU controller to control the vehicle hybrid powertrain according to the power control command includes:
when the test item is a endurance test, transmitting a power simulation instruction to the vehicle HCU controller, so that the vehicle HCU controller controls the engine to stop and controls the electric drive module to run at full power according to the power simulation instruction; wherein the hybrid powertrain includes the engine and the electric drive module;
when the test item is the test of charging, will charge the analog command and transmit whole car HCU controller to make whole car HCU controller according to charge the analog command, carry out the battery power detection of electric drive module: when the battery electric quantity is larger than the preset electric quantity value, controlling the electric drive module to run at full power; when the electric quantity of the battery is smaller than the preset electric quantity value, controlling the engine to start; wherein the engine is used for providing electric quantity for the electric drive module.
In this embodiment, the operating condition simulation instruction is transmitted to a test bench, so that the test bench controls a load motor according to the operating condition simulation instruction, specifically:
when the test item is a endurance test, transmitting a resistance simulation instruction to the test bench so as to enable the test bench to control the load motor to operate according to working condition data corresponding to the resistance simulation instruction according to the resistance simulation instruction, and collecting the operating parameters of the load motor in real time;
and when the test item is a charging test, transmitting a data acquisition instruction to the test bench so that the test bench acquires the running parameters of the hybrid power assembly in real time according to the data acquisition instruction.
In a specific embodiment, the electric drive module is controlled by a vehicle HCU controller to output electric drive power or recover energy. According to the output electric power, the hybrid power assembly is enabled to operate in different working modes, such as a pure electric mode, a hybrid driving mode and an energy recovery mode;
in a specific embodiment, in order to better explain the endurance test, a hardware-in-loop (Hil) system simulates a pure electric mode switch signal to send to a vehicle HCU controller, the HCU controller prohibits the engine in the hybrid assembly from starting after receiving the signal, the hardware sets the vehicle weight in the loop (Hil) system, the vehicle resistance, the rotating speed and the like are calculated through a driver model and sent to a test bench console, meanwhile, the accelerator opening information required by meeting the vehicle resistance is calculated and sent to the vehicle HCU controller, and the joint debugging system operates according to the information. When the system runs to the set value of the SOC low voltage of the battery, the hardware-in-the-loop (Hil) system sets the sending information to be 0, the HCU controller of the whole vehicle executes a power-off process, and the test is finished. The test bench console can calculate the running mileage according to the rotating speed and the running time of the load motor, display the running mileage in an interface, and simultaneously store the running mileage to a specified hard disk path.
In a specific embodiment, a hardware-in-the-loop (Hil) system simulates a brake signal to send to an HCU controller of the whole vehicle, and after receiving the signal, the HCU controller detects that the SOC of the power battery is less than or equal to 30 percent (the preset value of the electric quantity), and the engine is started to charge the battery when the charging condition is met. When the SOC of the power battery is more than or equal to 90%, the HCU controller reduces the engine to stop, and charging is completed. The test bench console will display the information of the engine (whole vehicle hybrid assembly) such as the rotation speed, torque, charging time, etc. in the interface, and simultaneously store the information in the designated hard disk path.
In a specific embodiment, the embodiment may further implement a working condition energy consumption test of the C-WTVC: the method comprises the steps that a C-WVC working condition road spectrum (speed and time relation) is led in a hardware-in-loop (Hil) system, the weight of a vehicle is set in the hardware-in-loop (Hil) system, the resistance, the rotating speed and the like of the whole vehicle at different speeds are calculated through a driver model and sent to a test bench console, the output speed is guaranteed to be consistent with the set speed through PID adjustment, meanwhile, the accelerator opening information required by the resistance of the whole vehicle is calculated and sent to a HCU controller of the whole vehicle, the accelerator opening changes along with the change of the resistance of the whole vehicle, and a joint debugging system runs to the end of the C-WVC working condition according to the information. And when the working condition is finished, the hardware-in-the-loop (Hil) system sets the sending information to be 0, the HCU controller of the whole vehicle executes a power-off process, and the test is finished. The test bench console displays the information of the engine such as the rotating speed, the torque, the oil consumption, the power consumption, the battery SOC and the like on an interface and simultaneously stores the information under a specified hard disk path.
Step 103: receiving performance data of the vehicle hybrid power assembly transmitted by a test bench; wherein the vehicle hybrid is connected to the test rig and the performance data is obtained by the test rig by collecting operating parameters of the vehicle hybrid.
In a specific embodiment, the present embodiment further provides a control system for a vehicle hybrid powertrain performance test, comprising: the device comprises a tested part hybrid assembly, a load motor, a four-in-one controller, a power battery BMS, a DC-DC (direct current-to-direct current voltage converter), a low-voltage storage battery, a battery cooling system, a whole vehicle HCU controller, a test bench frame master control bench and a hardware-in-loop (Hil); the hardware-in-the-loop control method for the vehicle hybrid powertrain performance test and the specific connection method of the present invention are shown in fig. 3.
This embodiment is after the user selects the test item, through the driver model of hardware at the ring, generates power control instruction and operating mode analog command, will power control instruction transmits for whole car HCU controller, simultaneously, will operating mode analog command transmits for the test bench, controls vehicle hybrid assembly through whole car HCU controller to carry out the operating mode simulation to vehicle hybrid assembly through the test bench, through the performance data of receiving the test bench transmission, accomplish vehicle hybrid assembly's capability test at last. The embodiment can ensure the consistency of the test result, solves the problem of complex test working condition of the hybrid power through a hardware-in-loop (Hil), and can simultaneously test the HCU software control logic, thereby improving the accuracy of the performance test of the vehicle hybrid power assembly.
Example two
Referring to fig. 2, fig. 2 is a schematic structural diagram of a control device for a vehicle hybrid powertrain performance test according to an embodiment of the present invention, including: a data generation module 201, a data control module 202 and a data receiving module 203;
the data generation module 201 is configured to respond to a test item selected by a user, and generate a power control instruction and a working condition simulation instruction corresponding to the test item through a hardware-in-the-loop driver model;
the data control module 202 is configured to transmit the power control instruction to a vehicle HCU controller, so that the vehicle HCU controller controls a vehicle hybrid assembly according to the power control instruction; transmitting the working condition simulation instruction to a test bench so that the test bench controls a load motor according to the working condition simulation instruction; the load motor is used for simulating the working condition of the vehicle hybrid power assembly;
the data receiving module 203 is used for receiving the performance data of the vehicle hybrid power assembly transmitted by the test bench; wherein the vehicle hybrid is connected to the test rig and the performance data is obtained by the test rig by collecting operating parameters of the vehicle hybrid.
As an improvement of the above scheme, the data generating module 201 includes: an item identification unit, a first identification result unit and a second identification result unit;
the item identification unit is used for identifying the test item after receiving the test item selected by the user; wherein the test items include: endurance test and charging test;
the first identification result unit is used for generating a power simulation instruction and a resistance simulation instruction of the endurance test through a driver model of a hardware-in-the-loop when the test item is identified as the endurance test;
the second identification result unit is used for generating a charging simulation instruction and a data acquisition instruction of the charging test through a driver system in a hardware-in-the-loop when the test item is identified as the charging test; wherein the power control command comprises: a power simulation instruction and a charging simulation instruction; the working condition simulation instruction comprises the following steps: resistance simulation instructions and data acquisition instructions.
As an improvement of the above scheme, the power control command is transmitted to a vehicle HCU controller, so that the vehicle HCU controller controls the vehicle hybrid powertrain according to the power control command, specifically:
when the test item is a endurance test, transmitting a power simulation instruction to the vehicle HCU controller, so that the vehicle HCU controller controls the engine to stop and controls the electric drive module to run at full power according to the power simulation instruction; wherein the hybrid powertrain includes the engine and the electric drive module;
when the test item is the test of charging, will charge the analog command and transmit whole car HCU controller to make whole car HCU controller according to charge the analog command, carry out the battery power detection of electric drive module: when the battery electric quantity is larger than the preset electric quantity value, controlling the electric drive module to run at full power; when the electric quantity of the battery is smaller than the preset electric quantity value, controlling the engine to start; wherein the engine is used for providing electric quantity for the electric drive module.
As an improvement of the above scheme, the transmitting the working condition simulation instruction to a test bench to control the load motor by the test bench according to the working condition simulation instruction specifically comprises:
when the test item is a endurance test, transmitting a resistance simulation instruction to the test bench so as to enable the test bench to control the load motor to operate according to working condition data corresponding to the resistance simulation instruction according to the resistance simulation instruction, and acquiring the operating parameters of the load motor in real time;
and when the test item is a charging test, transmitting a data acquisition instruction to the test bench so that the test bench acquires the running parameters of the hybrid power assembly in real time according to the data acquisition instruction.
In the embodiment, the data generation module responds to the test items selected by the user to generate the power control instruction and the working condition simulation instruction, the data control module transmits the power control instruction to the vehicle HCU controller, the working condition simulation instruction is transmitted to the test bench, so that the vehicle hybrid power assembly is tested, and finally, the data receiving module receives the performance data of the vehicle hybrid power assembly transmitted by the test bench to complete the performance test of the vehicle hybrid power assembly. In the embodiment, various complex test working conditions of the hybrid power can be simulated through a hardware-in-the-loop driver model, and the performance test of the whole vehicle hybrid power assembly is carried out by combining the whole vehicle HCU controller and the test bench, so that the accuracy of test data of the vehicle hybrid power assembly is improved, and the research and development period and the production period of the vehicle are favorably shortened.
EXAMPLE III
Referring to fig. 4, fig. 4 is a schematic structural diagram of a terminal device according to an embodiment of the present invention.
A terminal device of this embodiment includes: a processor 401, a memory 402 and computer programs stored in said memory 402 and executable on said processor 401. The processor 401, when executing the computer program, implements the steps of the above-described control method for the vehicle hybrid powertrain performance test in an embodiment, such as all the steps of the control method for the vehicle hybrid powertrain performance test shown in fig. 1. Alternatively, the processor, when executing the computer program, implements the functions of the modules in the foregoing device embodiments, for example: all the modules of the control device for the vehicle hybrid powertrain performance test shown in fig. 2.
In addition, the embodiment of the invention also provides a computer-readable storage medium, which includes a stored computer program, wherein when the computer program runs, the apparatus where the computer-readable storage medium is located is controlled to execute the control method for the vehicle hybrid powertrain performance test according to any one of the above embodiments.
It will be appreciated by those skilled in the art that the schematic diagram is merely an example of a terminal device and does not constitute a limitation of a terminal device, and may include more or less components than those shown, or combine certain components, or different components, for example, the terminal device may also include input output devices, network access devices, buses, etc.
The Processor 401 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The general processor may be a microprocessor or the processor may be any conventional processor or the like, and the processor 401 is a control center of the terminal device and connects various parts of the whole terminal device by using various interfaces and lines.
The memory 402 may be used for storing the computer programs and/or modules, and the processor 401 may implement various functions of the terminal device by running or executing the computer programs and/or modules stored in the memory and calling the data stored in the memory 402. The memory 402 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
Wherein, the terminal device integrated module/unit can be stored in a computer readable storage medium if it is implemented in the form of software functional unit and sold or used as a stand-alone product. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, U.S. disk, removable hard disk, magnetic diskette, optical disk, computer Memory, read-Only Memory (ROM), random Access Memory (RAM), electrical carrier wave signal, telecommunications signal, and software distribution medium, etc.
It should be noted that the above-described device embodiments are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement it without inventive effort.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A method of controlling a vehicle hybrid powertrain performance test, comprising:
responding to a test item selected by a user, and generating a power control instruction and a working condition simulation instruction corresponding to the test item through a hardware-in-the-loop driver model;
transmitting the power control instruction to a vehicle HCU controller so that the vehicle HCU controls the vehicle hybrid power assembly according to the power control instruction; transmitting the working condition simulation instruction to a test bench so that the test bench controls a load motor according to the working condition simulation instruction; the load motor is used for simulating the working condition of the vehicle hybrid power assembly;
receiving performance data of the vehicle hybrid power assembly transmitted by a test bench; wherein the vehicle hybrid is connected to the test rig and the performance data is obtained by the test rig by collecting operating parameters of the vehicle hybrid.
2. The method for controlling the vehicle hybrid powertrain performance test according to claim 1, wherein the step of generating the power control command and the operating condition simulation command corresponding to the test item through a hardware-in-the-loop driver model in response to the test item selected by the user specifically comprises:
after receiving a test item selected by a user, identifying the test item; wherein the test items include: endurance test and charging test;
when the test item is identified as a endurance test, generating a power simulation instruction and a resistance simulation instruction of the endurance test through a driver model of a hardware-in-the-loop;
when the test item is identified as a charging test, generating a charging simulation instruction and a data acquisition instruction of the charging test through a driver system in a hardware-in-loop; wherein the power control command comprises: a power simulation instruction and a charging simulation instruction; the working condition simulation instruction comprises the following steps: resistance simulation instructions and data acquisition instructions.
3. The method for controlling the performance test of the vehicle hybrid power assembly according to claim 2, wherein the power control command is transmitted to a vehicle HCU controller so that the vehicle HCU controller controls the vehicle hybrid power assembly according to the power control command, and specifically comprises:
when the test item is a endurance test, transmitting a power simulation instruction to the vehicle HCU controller, so that the vehicle HCU controller controls the engine to stop and controls the electric drive module to run at full power according to the power simulation instruction; wherein the hybrid powertrain includes the engine and the electric drive module;
when the test item is the test of charging, will charge the analog command and transmit whole car HCU controller to make whole car HCU controller according to charge the analog command, carry out the battery power detection of electric drive module: when the battery electric quantity is larger than the preset electric quantity value, controlling the electric drive module to run at full power; when the electric quantity of the battery is smaller than the preset electric quantity value, controlling the engine to start; wherein the engine is used for providing electric quantity for the electric drive module.
4. The method for controlling the vehicle hybrid power assembly performance test according to claim 2, wherein the operating condition simulation command is transmitted to a test bench so that the test bench controls a load motor according to the operating condition simulation command, and the method comprises the following steps:
when the test item is a endurance test, transmitting a resistance simulation instruction to the test bench so as to enable the test bench to control the load motor to operate according to working condition data corresponding to the resistance simulation instruction according to the resistance simulation instruction, and acquiring the operating parameters of the load motor in real time;
and when the test item is a charging test, transmitting a data acquisition instruction to the test bench so that the test bench acquires the running parameters of the hybrid power assembly in real time according to the data acquisition instruction.
5. A control apparatus for a vehicle hybrid powertrain performance test, comprising: the device comprises a data generation module, a data control module and a data receiving module;
the data generation module is used for responding to a test item selected by a user and generating a power control instruction and a working condition simulation instruction corresponding to the test item through a hardware-in-the-loop driver model;
the data control module is used for transmitting the power control instruction to a vehicle HCU controller so that the vehicle HCU controller controls the vehicle hybrid power assembly according to the power control instruction; transmitting the working condition simulation instruction to a test bench so that the test bench controls a load motor according to the working condition simulation instruction; the load motor is used for simulating the working condition of the vehicle hybrid power assembly;
the data receiving module is used for receiving the performance data of the vehicle hybrid power assembly transmitted by the test bench; wherein the vehicle hybrid is connected to the test rig and the performance data is obtained by the test rig by collecting operating parameters of the vehicle hybrid.
6. The control device for vehicle hybrid powertrain performance test of claim 5, wherein the data generating module comprises: an item identification unit, a first identification result unit and a second identification result unit;
the item identification unit is used for identifying the test item after receiving the test item selected by the user; wherein the test items include: endurance test and charging test;
the first identification result unit is used for generating a power simulation instruction and a resistance simulation instruction of the endurance test through a driver model of a hardware-in-the-loop when the test item is identified as the endurance test;
the second identification result unit is used for generating a charging simulation instruction and a data acquisition instruction of the charging test through a driver system of a hardware-in-the-loop when the test item is identified as the charging test; wherein the power control command comprises: a power simulation instruction and a charging simulation instruction; the working condition simulation instruction comprises the following steps: resistance simulation instructions and data acquisition instructions.
7. The control device for testing the performance of the vehicle hybrid power assembly according to claim 6, wherein the power control command is transmitted to a vehicle HCU controller so that the vehicle HCU controller controls the vehicle hybrid power assembly according to the power control command, and specifically comprises:
when the test item is a endurance test, transmitting a power simulation instruction to the vehicle HCU controller, so that the vehicle HCU controller controls the engine to stop and controls the electric drive module to run at full power according to the power simulation instruction; wherein the hybrid powertrain includes the engine and the electric drive module;
when the test item is the test of charging, will charge the analog command and transmit whole car HCU controller to make whole car HCU controller according to charge the analog command, carry out the battery power detection of electric drive module: when the battery electric quantity is larger than the preset electric quantity value, controlling the electric drive module to run at full power; when the electric quantity of the battery is smaller than the preset electric quantity value, controlling the engine to start; wherein the engine is used for providing electric quantity for the electric drive module.
8. The control device for the vehicle hybrid powertrain performance test according to claim 6, wherein the operating condition simulation command is transmitted to a test bench so that the test bench controls the load motor according to the operating condition simulation command, specifically:
when the test item is a endurance test, transmitting a resistance simulation instruction to the test bench so as to enable the test bench to control the load motor to operate according to working condition data corresponding to the resistance simulation instruction according to the resistance simulation instruction, and acquiring the operating parameters of the load motor in real time;
and when the test item is a charging test, transmitting a data acquisition instruction to the test bench so that the test bench acquires the running parameters of the hybrid power assembly in real time according to the data acquisition instruction.
9. A computer terminal device comprising a processor, a memory and a computer program stored in the memory and configured to be executed by the processor, the processor when executing the computer program implementing a control method for a vehicle hybrid powertrain performance test as claimed in any one of claims 1 to 4.
10. A computer-readable storage medium, comprising a stored computer program, wherein the computer program, when executed, controls an apparatus in which the computer-readable storage medium is located to perform a control method for a vehicle hybrid powertrain performance test according to any one of claims 1 to 4.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP4465011A1 (en) * | 2023-05-08 | 2024-11-20 | APh ePower Co., Ltd. | Hybrid power system and energy management optimization method thereof |
| US12258000B2 (en) | 2023-05-08 | 2025-03-25 | Aph Epower Co., Ltd. | Hybrid power system and energy management optimization method thereof |
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