Debugging system, method and device based on hybrid electric drive axle and electronic equipment

Abstract

The invention discloses a debugging system based on a hybrid electric drive axle, and relates to the field of hybrid debugging, and the debugging system based on the hybrid electric drive axle comprises a hybrid electric drive axle main body, an engine, a first motor and a second motor; the engine, the first motor and the second motor are arranged on the hybrid electric drive axle main body and are in transmission connection; wherein the first motor and the second motor drive left and right wheels on the hybrid electric drive axle main body; the device further comprises an engine locking mechanism. The engine locking mechanism is used for locking an output shaft of the engine; the device also comprises a first dynamometer and a second dynamometer. The first dynamometer and the second dynamometer are respectively connected with a left wheel and a right wheel on the hybrid electric drive axle main body to provide a torque load. According to the scheme, the engine is added to the hybrid electric drive axle to form a debugging system, the dynamometer simulates the characteristics of a real vehicle engine, and the overall hybrid electric drive axle test characteristics are formed.

Description

Technical Field

[0001] This application relates to the field of hybrid debugging, and in particular, to a debugging system based on a hybrid electric drive axle, a debugging method based on a hybrid electric drive axle, a debugging device based on a hybrid electric drive axle, an electronic device, a storage medium, and a simulation platform. Background Art

[0002] Currently, for the functional testing of hybrid electric drive axle products, a dynamometer is used to simulate the engine for prototype debugging. However, the dynamometer cannot fully simulate the characteristics of the in-vehicle engine, and there are certain differences compared with the in-vehicle working conditions.

[0003] Therefore, a debugging solution based on a hybrid electric drive axle is needed to perform functional debugging based on the actual installation state of the in-vehicle engine and the hybrid electric drive axle on the vehicle, assist in the product R & D process, fully verify the functions of the hybrid electric drive axle, and provide support for improving product quality. Summary of the Invention

[0004] The purpose of the present invention is to provide a debugging system based on a hybrid electric drive axle, a debugging method based on a hybrid electric drive axle, a debugging device based on a hybrid electric drive axle, an electronic device, a storage medium, and a simulation platform, which can at least solve the problem that the dynamometer cannot fully simulate the characteristics of the in-vehicle engine and one of the technical problems of the differences compared with the in-vehicle working conditions.

[0005] The present invention provides the following solutions:

[0006] According to one aspect of the present invention, a debugging system based on a hybrid electric drive axle is provided. The debugging system based on a hybrid electric drive axle includes: a hybrid electric drive axle main body, an engine, a first motor, and a second motor;

[0007] The engine, the first motor, and the second motor are arranged on the hybrid electric drive axle main body and are drivingly connected;

[0008] Among them, the first motor and the second motor drive the left and right wheels on the hybrid electric drive axle main body;

[0009] It further includes an engine locking mechanism;

[0010] The engine locking mechanism is used to lock the output shaft of the engine;

[0011] It further includes a first dynamometer and a second dynamometer;

[0012] The first dynamometer and the second dynamometer are respectively connected to the left and right wheels on the hybrid electric drive axle main body to provide torque loads.

[0013] Further, it further includes: a vehicle controller;

[0014] The vehicle controller is used to control the power distribution and working states of the engine, the first motor, and the second motor on the main body of the hybrid electric drive axle;

[0015] It further includes a motor controller;

[0016] The motor controller is used for the output control of the first motor and the second motor;

[0017] It further includes a gear controller;

[0018] The gear controller is used for the control of gear shifting and motor speed regulation;

[0019] It further includes an engine controller;

[0020] The engine controller is used for the output control of the engine, including the locking of the engine output shaft by the engine locking mechanism;

[0021] The vehicle controller is communicatively connected to the motor controller, the gear controller, and the engine controller;

[0022] Based on controlling the power distribution and working states of the engine, the first motor, and the second motor on the main body of the hybrid electric drive axle, the vehicle controller sends instructions to the motor controller, the gear controller, and the engine controller.

[0023] Furthermore, it further includes: a battery simulator;

[0024] The battery simulator is used to simulate the power supply state of the battery for the main body of the hybrid electric drive axle;

[0025] Based on the power supply state simulated by the battery simulator and the torque loads provided by the first dynamometer and the second dynamometer, the load conditions of the hybrid electric drive axle are simulated;

[0026] The battery simulator is communicatively connected to the vehicle controller;

[0027] Based on the simulated load conditions of the hybrid electric drive axle, the vehicle controller controls the power distribution and working states of the engine, the first motor, and the second motor on the main body of the hybrid electric drive axle.

[0028] Furthermore, it further includes: a first motor sensor, a second motor sensor, and an engine speed sensor;

[0029] The first motor sensor, the second motor sensor, and the engine speed sensor are respectively used to obtain the output state data of the first motor, the second motor, and the engine;

[0030] The first motor sensor, the second motor sensor, and the engine speed sensor feed back data to the vehicle controller;

[0031] The vehicle controller controls the commands sent to the motor controller, gear controller, and engine controller according to the feedback data.

[0032] Furthermore, it also includes: an engine fuel supply unit, an engine air supply unit, and an engine water cooling unit;

[0033] The engine fuel supply unit is used to simulate the fuel supply for the engine;

[0034] The engine air supply unit: is used to simulate the air supply for the engine;

[0035] The engine water cooling unit: is used to simulate cooling the engine;

[0036] According to the engine fuel supply unit, engine air supply unit, and engine water cooling unit, simulate the operating conditions of the engine;

[0037] According to the simulated operating conditions of the engine, simulate the engine operating state of the hybrid electric drive axle main body;

[0038] The engine fuel supply unit, engine air supply unit, and engine water cooling unit are communicatively connected to the vehicle controller;

[0039] According to the simulated engine operating state of the hybrid electric drive axle main body, the vehicle controller controls the power distribution and operating state of the engine, first motor, and second motor on the hybrid electric drive axle main body.

[0040] According to the second aspect of the present invention, a debugging method based on a hybrid electric drive axle is provided. The debugging method based on a hybrid electric drive axle includes:

[0041] Obtain the simulated operating condition information;

[0042] According to the simulated operating condition information, control the battery, load, and engine operating conditions;

[0043] Obtain the simulated control information;

[0044] According to the simulated control information, control the power distribution of the motor and the engine;

[0045] According to the battery, load, and engine operating conditions, as well as the power distribution of the motor and the engine, collect the process data and status data of the hybrid electric drive axle;

[0046] According to the collected process data and status data of the hybrid electric drive axle, generate a data comparison group;

[0047] According to the data comparison group, generate the data information of the working mode.

[0048] According to the third aspect of the present invention, a debugging device based on a hybrid electric drive axle is provided. The debugging device based on a hybrid electric drive axle includes:

[0049] An operating condition information module for obtaining the operating condition information of the simulation;

[0050] An operating condition simulation module for controlling the operating condition states of the battery, load, and engine according to the operating condition information of the simulation;

[0051] A control information module for obtaining the control information of the simulation;

[0052] A power distribution module for controlling the power distribution between the motor and the engine according to the control information of the simulation;

[0053] A data acquisition module for acquiring the process data and status data of the hybrid electric drive axle according to the operating condition states of the battery, load, and engine, and the power distribution between the motor and the engine;

[0054] A data comparison module for generating a data comparison group according to the process data and status data of the hybrid electric drive axle acquired;

[0055] A mode generation module for generating the data information of the working mode according to the data comparison group.

[0056] According to four aspects of the present invention, 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;

[0057] A computer program is stored in the memory, and when the computer program is executed by the processor, the processor executes the steps of the debugging method based on the hybrid electric drive axle.

[0058] According to five aspects of the present invention, there is provided a computer-readable storage medium, which stores a computer program executable by an electronic device. When the computer program runs on the electronic device, the electronic device executes the steps of the debugging method based on the hybrid electric drive axle.

[0059] According to six aspects of the present invention, there is provided a simulation platform, including:

[0060] An electronic device for implementing the steps of the debugging method based on the hybrid electric drive axle;

[0061] A processor, the processor runs a program, and when the program runs, it executes the steps of the debugging method based on the hybrid electric drive axle for the data output from the electronic device;

[0062] A storage medium for storing a program, and when the program runs, it executes the steps of the debugging method based on the hybrid electric drive axle for the data output from the electronic device.

[0063] Through the above solution, the following beneficial technical effects are obtained:

[0064] In this application, the engine is added to the hybrid electric drive axle to form a debugging system. The dynamometer simulates the characteristics of the in-vehicle engine, thereby forming the overall test characteristics of the hybrid electric drive axle.

[0065] In this application, various working conditions of the engine are added to the test of the hybrid electric drive axle, expanding the test content to data fields that cannot be covered by motor-only tests.

[0066] In this application, battery simulation is added to the test of the hybrid electric drive axle, enabling the impact of battery performance on the drive control strategy to be realized. Brief Description of the Drawings

[0067] Figure 1 It is a structural diagram of a debugging system based on a hybrid electric drive axle provided by one or more embodiments of the present invention.

[0068] Figure 2 It is a flowchart of a debugging method based on a hybrid electric drive axle provided by one or more embodiments of the present invention.

[0069] Figure 3 It is a structural diagram of a debugging device based on a hybrid electric drive axle provided by one or more embodiments of the present invention.

[0070] Figure 4 It is a schematic diagram of the framework of a hybrid electric drive axle function debugging system according to a specific embodiment of the present invention.

[0071] Figure 5 It is a schematic diagram of a hybrid electric drive axle debugging test method according to a specific embodiment of the present invention.

[0072] Figure 6 It is a block diagram of the structure of an electronic device for a debugging method based on a hybrid electric drive axle provided by one or more embodiments of the present invention.

[0073] Reference Signs:

[0074] 1. Battery simulator; 2. Motor controller; 3. Main body of hybrid electric drive axle; 4. First motor; 5. Second motor; 6. First motor sensor; 7. Second motor sensor; 8. Engine speed sensor; 9. Engine; 10. Motor water temperature control unit; 11. First dynamometer; 12. Second dynamometer; 13. Engine fuel supply system; 14. Engine water cooling unit. Detailed Description of the Embodiments

[0075] Next, the technical solutions of the present invention will be clearly and completely described in conjunction with the accompanying drawings. Apparently, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0076] Figure 1 It is a structural diagram of a debugging system based on a hybrid electric drive axle provided by one or more embodiments of the present invention.

[0077] Such as Figure 1 The debugging system based on the hybrid electric drive axle shown includes: a hybrid electric drive axle main body, an engine, a first motor, and a second motor;

[0078] The engine, the first motor, and the second motor are arranged on the hybrid electric drive axle main body and are in transmission connection;

[0079] Among them, the first motor and the second motor drive the left and right wheels on the hybrid electric drive axle main body;

[0080] It further includes an engine locking mechanism;

[0081] The engine locking mechanism is used to lock the output shaft of the engine;

[0082] It further includes a first dynamometer and a second dynamometer;

[0083] The first dynamometer and the second dynamometer are respectively connected to the left and right wheels on the hybrid electric drive axle main body to provide torque loads.

[0084] Specifically, the engine, the first motor, and the second motor are arranged on the hybrid electric drive axle main body and are in transmission connection, so that the debugging system of the hybrid electric drive axle can test the output state after the power distribution of the left and right wheels based on a single or mixed power source mode. The engine locking mechanism forms a clear switch between single or mixed power source modes by locking the output shaft of the engine.

[0085] That is, under the same power output curve, single or mixed power source modes have different control curve combinations. Various control strategies can be formed according to the actual working conditions of the simulation vehicle, and various control modes can be formed. In the control strategy, various control objectives can be preferred, such as reducing energy consumption, increasing mileage, enhancing maneuverability, reducing the risk of failure, etc. The motor or the engine can be selected to output power alone, or the motor and the engine can be mixed to output power, while power distribution is carried out. The power distribution methods include proportional distribution, time period distribution, and working state distribution. For example, when the engine is overheated, the power output of the motor is increased; when the electric energy storage is insufficient, the power output of the engine is increased, etc.

[0086] In this embodiment, it further includes: a vehicle controller;

[0087] The vehicle controller is used to control the power distribution and working state of the engine, the first motor, and the second motor on the hybrid electric drive axle main body;

[0088] It further includes a motor controller;

[0089] A motor controller for output control of a first motor and a second motor;

[0090] It further includes a gear controller;

[0091] The gear controller is used for gear shifting and motor speed control;

[0092] It further includes an engine controller;

[0093] The engine controller is used for output control of the engine, including locking of the engine output shaft by an engine locking mechanism;

[0094] The vehicle controller is communicatively connected to the motor controller, the gear controller and the engine controller;

[0095] The vehicle controller sends instructions to the motor controller, the gear controller and the engine controller according to the power distribution and working states of the engine, the first motor and the second motor on the hybrid electric drive axle main body.

[0096] Specifically, the vehicle controller, as the main controller, coordinates the power transmission coordination and power distribution of the motor and the engine. The motor controller, the engine controller and the gear controller drive the corresponding motor and engine and perform gear shifting operations according to the preset power distribution strategy and power output instructions.

[0097] In this embodiment, it further includes: a battery simulator;

[0098] The battery simulator is used to simulate the power supply state of the battery for the hybrid electric drive axle main body;

[0099] According to the power supply state simulated by the battery simulator and the torque loads provided by the first dynamometer and the second dynamometer, simulate the load conditions of the hybrid electric drive axle;

[0100] The battery simulator is communicatively connected to the vehicle controller;

[0101] According to the simulated load conditions of the hybrid electric drive axle, the vehicle controller controls the power distribution and working states of the engine, the first motor and the second motor on the hybrid electric drive axle main body.

[0102] Specifically, the load-carrying capacity of the hybrid electric drive axle is affected not only by the power output capabilities of the engine and the motor, but also by the battery energy storage state. The power supply state of the battery for the hybrid electric drive axle main body can be simulated by the battery simulator to further refine the power distribution control strategy. For example, whether the battery is fully charged under the remaining mileage. If the power is insufficient, the strategy for reducing energy consumption should be corrected and more power output share should be allocated to the engine side.

[0103] In this embodiment, it further includes: a first motor sensor, a second motor sensor, and an engine speed sensor;

[0104] The first motor sensor, the second motor sensor, and the engine speed sensor are respectively used to obtain the output state data of the first motor, the second motor, and the engine;

[0105] The first motor sensor, the second motor sensor, and the engine speed sensor feed back data to the vehicle controller;

[0106] The vehicle controller controls the commands sent to the motor controller, the gear controller, and the engine controller according to the feedback data.

[0107] Specifically, the vehicle controller issues a control command, and through the sensor, the feedback of the execution state of the control command is achieved to simulate the control actual scene of the vehicle controller.

[0108] In this embodiment, it further includes: an engine fuel supply unit, an engine air supply unit, and an engine water cooling unit;

[0109] The engine fuel supply unit is used to simulate the fuel supply to the engine;

[0110] The engine air supply unit: is used to simulate the air supply to the engine;

[0111] The engine water cooling unit: is used to simulate cooling the engine;

[0112] According to the engine fuel supply unit, the engine air supply unit, and the engine water cooling unit, the working condition state of the engine is simulated;

[0113] According to the simulated working condition state of the engine, the engine working state of the hybrid electric drive axle main body is simulated;

[0114] The engine fuel supply unit, the engine air supply unit, and the engine water cooling unit are communicatively connected to the vehicle controller;

[0115] According to the simulated engine working state of the hybrid electric drive axle main body, the vehicle controller controls the power distribution and working state of the engine, the first motor, and the second motor on the hybrid electric drive axle main body.

[0116] Specifically, as a part of the power source, the working condition of the engine itself will also affect the execution of the entire power distribution strategy. By simulating various working conditions of the engine, the boundary of the engine load-carrying capacity and the optimal load-carrying state are formed. On this basis, a more complete and flexible control strategy is formed to simulate a more realistic working state.

[0117] Figure 2 It is a flowchart of a debugging method based on a hybrid electric drive axle provided by one or more embodiments of the present invention.

[0118] As Figure 2 shown, the debugging method based on the hybrid electric drive axle includes:

[0119] Step S1, obtaining the working condition information of the simulation;

[0120] Step S2, controlling the working condition states of the battery, load and engine according to the working condition information of the simulation;

[0121] Step S3, obtaining the control information of the simulation;

[0122] Step S4, controlling the power distribution of the motor and engine according to the control information of the simulation;

[0123] Step S5, collecting the process data and state data of the hybrid electric drive axle according to the working condition states of the battery, load and engine, and the power distribution of the motor and engine;

[0124] Step S6, generating a data comparison group according to the process data and state data of the hybrid electric drive axle collected;

[0125] Step S7, generating the data information of the working mode according to the data comparison group.

[0126] Specifically, during the test simulation, the basic characteristic indexes of the hybrid electric drive axle need to be used as the initial data, that is, the vehicle's capabilities play a decisive role in the subsequent strategies. Based on the basic characteristics of the hybrid electric drive axle, control objectives are set to form a power distribution strategy. During this process, the feedback data of the sensors are continuously read, and the power curve and speed curve of the executed control strategy are observed to form comparison group data, and the working mode is defined according to the data of the comparison group. That is, the working mode includes the control strategy corresponding to a certain working environment, as well as the transition and switching between control strategies, etc.

[0127] Figure 3 is the structural diagram of the debugging device based on the hybrid electric drive axle provided by one or more embodiments of the present invention.

[0128] As Figure 3 shown, the debugging device based on the hybrid electric drive axle includes: a working condition information module, a working condition simulation module, a control information module, a power distribution module, a data collection module, a data comparison module, and a mode generation module;

[0129] The working condition information module is used to obtain the working condition information of the simulation;

[0130] The working condition simulation module is used to control the working condition states of the battery, load and engine according to the working condition information of the simulation;

[0131] The control information module is used to obtain the control information of the simulation;

[0132] A power distribution module, configured to control the power distribution of the motor and the engine according to the simulated control information;

[0133] A data acquisition module, configured to acquire the process data and status data of the hybrid electric drive axle according to the battery, load, engine operating conditions, and the power distribution of the motor and the engine;

[0134] A data comparison module, configured to generate a data comparison group according to the acquired process data and status data of the hybrid electric drive axle;

[0135] A mode generation module, configured to generate the data information of the working mode according to the data comparison group.

[0136] It should be noted that although this system only discloses the operating condition information module, the operating condition simulation module, the control information module, the power distribution module, the data acquisition module, the data comparison module, and the mode generation module, it does not mean that this device is only limited to the above basic function modules. On the contrary, what the present invention intends to express is that on the basis of the above basic function modules, those skilled in the art can arbitrarily add one or more function modules in combination with the existing technology to form an infinite number of embodiments or technical solutions. That is to say, this system is open rather than closed, and it cannot be considered that the protection scope of the claims of the present invention is limited to the above disclosed basic function modules just because this embodiment only discloses individual basic function modules.

[0137] Figure 4 It is a schematic diagram of the framework of the hybrid electric drive axle function debugging system according to a specific embodiment of the present invention.

[0138] Figure 5 It is a schematic diagram of the hybrid electric drive axle debugging test method according to a specific embodiment of the present invention.

[0139] In a specific embodiment, as Figure 4 shown, a hybrid electric drive axle function debugging system framework is disclosed, including: a battery simulator 1; a motor controller 2; a hybrid electric drive axle main body 3; a first motor 4; a second motor 5; a first motor sensor 6; a second motor sensor 7; an engine speed sensor 8; an engine 9; a motor water temperature control unit 10; a first dynamometer 11; a second dynamometer 12; an engine fuel supply system 13; an engine water cooling unit 14.

[0140] The first motor 4, the second motor 5, and the engine 9 are arranged on the hybrid electric drive axle main body 3.

[0141] The battery simulator 1: provides the working voltage and current for the motor controller;

[0142] The vehicle controller 2: the overall control of the hybrid system, processes the mode request and power request to control the working state and power distribution of the motor and the engine;

[0143] Motor controller: Sends a target torque or target speed command request to the motor;

[0144] Gear controller: Receives a gear shifting command request, performs gear shifting between the first and second gears, and adjusts the speed of the motor;

[0145] Engine controller: Receives a power request, performs status detection and output control on the engine;

[0146] Engine locking mechanism: Receives a mode request and locks the engine output shaft;

[0147] First dynamometer 11, second dynamometer 12: Measure the output speed and output torque of the left and right wheel ends of the hybrid electric drive axle in the measurement system, and provide a load for it;

[0148] First motor sensor 6, second motor sensor 7: Measure the output speed and output torque of the first motor 4 and the second motor 5 of the hybrid electric drive axle respectively;

[0149] Engine speed sensor 8: Measures the engine output speed;

[0150] Water temperature control unit 10: Heats / cools the cooling water of the motor and the motor controller, and controls the water temperature within a specified range;

[0151] Engine fuel supply unit 13: Supplies fuel to the engine group;

[0152] Engine air supply unit: Supplies air to the engine group;

[0153] Engine water cooling unit 14: Cools the engine group and controls the engine temperature within a specified range.

[0154] In this embodiment, as Figure 5 shown, the debugging test method of the hybrid electric drive axle includes:

[0155] 1: Equipment connection, check the working status of the battery simulator, click the water temperature control unit, the engine fuel supply system, the engine water cooling unit, and the first and second dynamometers.

[0156] 2: Confirm the status of the first and second motor sensors and the engine speed sensor, and check the working status of the vehicle controller, the engine controller, the motor controller, and the gear controller.

[0157] 3: Conduct start-stop function tests on the first motor, the second motor, and the engine respectively, and conduct engine locking and gear shifting function tests.

[0158] 4: Conduct electric drive mode and engine direct drive mode tests, provide road resistance through the first and second dynamometers, and verify the working status of the hybrid electric drive axle.

[0159] 5: Conduct a hybrid mode test, calibrate the power distribution state and output state of the hybrid electric drive axle through motor sensors, engine sensors, dynamometer sensors, etc., and optimize the power distribution strategy by combining parameters such as the output power of the battery simulator and the fuel consumption of engine fuel supply.

[0160] 6: Conduct a pure electric mode and hybrid mode switching test, optimize the mode switching strategy, reduce energy consumption and improve the stability of mode switching.

[0161] In another specific embodiment, debug test contents are formulated according to the functional requirements of the hybrid electric drive axle, including:

[0162] Basic function test: Conduct communication tests and start-stop function tests on the motor and engine respectively, conduct gear shifting and engine locking function tests, and confirm the states of sensors such as temperature sensors, speed sensors, and position sensors on the sample during the process.

[0163] Electric drive mode test: Send a mode request to the hybrid electric drive axle through the vehicle controller, confirm the working states of the motor and engine, send a power request to drive the motor to output torque, and the first and second dynamometers provide road resistance for the hybrid electric drive axle. During the test, confirm the motor speed and torque output direction through the motor sensor and the dynamometer, and calibrate the motor.

[0164] Engine direct drive mode test: Send a mode request to the hybrid electric drive axle through the vehicle controller, confirm the working states of the motor and engine, perform an ignition action after sending a power request, drive the engine to output, and the first and second dynamometers provide road resistance for the wheel end of the hybrid electric drive axle.

[0165] Hybrid mode test: Send a hybrid mode request to the hybrid electric drive axle through the vehicle controller, send a power request to drive the engine to perform ignition output, and at the same time the motor also outputs torque. The first and second dynamometers provide road resistance for the wheel end of the hybrid electric drive axle. Observe the motor sensor, engine speed sensor, and the measured speed and torque of the first and second dynamometers for optimization calibration. At the same time, observe the battery simulator and fuel consumption to perform power distribution of the motor and engine, and optimize energy consumption.

[0166] Mode switching test: Send a mode request to the hybrid electric drive axle through the vehicle controller, perform mode switching among the electric drive mode, engine direct drive mode, and hybrid mode, and judge the smoothness of mode switching by observing the fluctuations of the measured speed and torque of the motor sensor, engine speed sensor, and the first and second dynamometers, and perform calibration optimization.

[0167] Install the hybrid electric drive axle to be tested on the test bench and conduct debug tests on the sample.

[0168] During the function debugging process of the hybrid electric drive axle, record the feedback torque and feedback speed of the motor during movement, the engine output end speed, the hybrid electric drive axle wheel end speed, and the position information of the engine locking mechanism and the shift actuator. Carry out debugging work on the hybrid electric drive axle to verify the working modes of the drive axle in various modes. Determine the functions of the engine and motor of the hybrid electric drive axle through the above debugging test content, and carry out debugging and calibration work in various modes.

[0169] In this embodiment, control the first motor, the second motor, and the engine to move in a fixed gear. The dynamometer is connected to the wheel end of the hybrid electric drive axle through a drive shaft to simulate the driving resistance of the vehicle. The dynamometer includes setting modules for rolling resistance, air resistance, gradient resistance, and acceleration resistance, and the driving resistance of the dynamometer can be dynamically adjusted in real time according to the parameters of each setting module. By measuring parameters such as the hybrid electric drive axle speed, hybrid electric drive axle output torque, motor output speed, motor output torque, and engine speed feedback during the stable operation of the hybrid electric drive axle, the basic functions of the hybrid electric drive axle can be verified, and debugging and calibration work can be carried out on the torque distribution strategy, shift strategy, and mode switching strategy. This test system has strong practicability and high reliability, and can provide effective support for the development and debugging work in the initial stage of the product, helping to shorten the product development cycle.

[0170] Figure 6 It is a structural block diagram of an electronic device for a debugging method based on a hybrid electric drive axle provided by one or more embodiments of the present invention.

[0171] As Figure 6 shown, the present application provides 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 communication with each other through the communication bus;

[0172] A computer program is stored in the memory. When the computer program is executed by the processor, the processor executes the steps of the debugging method based on the hybrid electric drive axle.

[0173] The present application also provides a computer-readable storage medium, which stores steps that can be executed by an electronic device for the debugging method based on the hybrid electric drive axle.

[0174] The present application also provides a simulation platform, including:

[0175] An electronic device for implementing the steps of the debugging method based on the hybrid electric drive axle;

[0176] A processor, the processor runs a program, and when the program runs, it executes the steps of the debugging method based on the data output from the electronic device;

[0177] A storage medium for storing a program that, when running, executes the debugging method steps based on a hybrid electric drive axle for data output from an electronic device.

[0178] From the description of the above embodiments, those skilled in the art can clearly understand that the present application can be implemented by means of software plus a necessary general hardware platform. Based on such an understanding, the technical solution of the present application, in essence, or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product can be stored in a storage medium, such as ROM / RAM, magnetic disk, optical disk, etc., and includes several instructions for causing a computer device (which can be a personal computer, server, or network device, etc.) to execute the methods described in various embodiments or some parts of the embodiments of the present application.

[0179] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features. And these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A debugging system based on a hybrid electric drive axle, characterized in that, The debugging system based on the hybrid electric drive axle includes: a hybrid electric drive axle main body, an engine, a first motor, and a second motor; The engine, the first motor, and the second motor are arranged on the hybrid electric drive axle main body and are drivingly connected; Among them, the first motor and the second motor drive the left and right wheels on the hybrid electric drive axle main body; It also includes an engine locking mechanism; The engine locking mechanism is used to lock the output shaft of the engine; It also includes a first dynamometer and a second dynamometer; The first dynamometer and the second dynamometer are respectively connected to the left and right wheels on the hybrid electric drive axle main body to provide torque loads.

2. The debugging system based on the hybrid electric drive axle according to claim 1, characterized in that It also includes: A vehicle controller; The vehicle controller is used to control the power distribution and working states of the engine, the first motor, and the second motor on the hybrid electric drive axle main body; It also includes a motor controller; The motor controller is used for the output control of the first motor and the second motor; It also includes a gear controller; The gear controller is used for the control of gear shifting and motor speed regulation; It also includes an engine controller; The engine controller is used for the output control of the engine, including the locking of the engine output shaft by the engine locking mechanism; The vehicle controller is communicatively connected to the motor controller, the gear controller, and the engine controller; The vehicle controller sends instructions to the motor controller, the gear controller, and the engine controller according to the control of the power distribution and working states of the engine, the first motor, and the second motor on the hybrid electric drive axle main body.

3. The debugging system based on the hybrid electric drive axle according to claim 2, characterized in that, It also includes: A battery simulator; The battery simulator is used to simulate the power supply state of the battery for the hybrid electric drive axle main body; According to the power supply state simulated by the battery simulator and the torque loads provided by the first dynamometer and the second dynamometer, simulate the load conditions of the hybrid electric drive axle; The battery simulator is communicatively connected to the vehicle controller; According to the simulated load conditions of the hybrid electric drive axle, the vehicle controller controls the power distribution and working states of the engine, the first motor, and the second motor on the hybrid electric drive axle main body.

4. The debugging system based on the hybrid electric drive axle according to claim 3, characterized in that, It also includes: A first motor sensor, a second motor sensor, and an engine speed sensor; The first motor sensor, the second motor sensor, and the engine speed sensor are respectively used to obtain the output state data of the first motor, the second motor, and the engine; The first motor sensor, the second motor sensor, and the engine speed sensor feed back data to the vehicle controller; The vehicle controller controls the instructions sent to the motor controller, the gear controller, and the engine controller according to the feedback data.

5. The debugging system based on the hybrid electric drive axle according to claim 4, characterized in that It also includes: An engine fuel supply unit, an engine air supply unit, and an engine water cooling unit; The engine fuel supply unit is used to simulate the fuel supply for the engine; The engine air supply unit: is used to simulate the air supply for the engine; The engine water cooling unit: is used to simulate the cooling of the engine; According to the engine fuel supply unit, the engine air supply unit, and the engine water cooling unit, simulate the working condition state of the engine; According to the simulated working condition state of the engine, simulate the engine working state of the hybrid electric drive axle main body; The engine fuel supply unit, the engine air supply unit, and the engine water cooling unit are communicatively connected to the vehicle controller; According to the engine operating state of the simulated hybrid electric drive axle body, the vehicle controller controls the power distribution and operating state of the engine, the first motor, and the second motor on the hybrid electric drive axle body.

6. A debugging method based on a hybrid electric drive axle, characterized in that, The debugging method based on the hybrid electric drive axle includes: Obtaining the simulated working condition information; Controlling the battery, load, and engine operating condition according to the simulated working condition information; Obtaining the simulated control information; Controlling the power distribution of the motor and the engine according to the simulated control information; Collecting the process data and status data of the hybrid electric drive axle according to the battery, load, and engine operating condition, as well as the power distribution of the motor and the engine; Generating a data comparison group according to the collected process data and status data of the hybrid electric drive axle; Generating the data information of the working mode according to the data comparison group.

7. A debugging device based on a hybrid electric drive axle, characterized in that, The debugging device based on the hybrid electric drive axle includes: A working condition information module for obtaining the simulated working condition information; A working condition simulation module for controlling the battery, load, and engine operating condition according to the simulated working condition information; A control information module for obtaining the simulated control information; A power distribution module for controlling the power distribution of the motor and the engine according to the simulated control information; A data collection module for collecting the process data and status data of the hybrid electric drive axle according to the battery, load, and engine operating condition, as well as the power distribution of the motor and the engine; A data comparison module for generating a data comparison group according to the collected process data and status data of the hybrid electric drive axle; A mode generation module for generating the data information of the working mode according to the data comparison group.

8. An electronic device, characterized in that, Including: A processor, a communication interface, a memory, and a communication bus. Among them, the processor, the communication interface, and the memory complete communication with each other through the communication bus; The memory stores a computer program. When the computer program is executed by the processor, the processor executes the steps of the debugging method based on the hybrid electric drive axle as claimed in claim 6.

9. A computer-readable storage medium, characterized in that, It stores a computer program executable by an electronic device. When the computer program runs on the electronic device, the electronic device executes the steps of the debugging method based on the hybrid electric drive axle as claimed in claim 6.

10. A simulation platform, characterized in that, Including: An electronic device for implementing the steps of the debugging method based on the hybrid electric drive axle as claimed in claim 6; A processor that runs a program. When the program runs, it executes the steps of the debugging method based on the hybrid electric drive axle as claimed in claim 6 for the data output from the electronic device; A storage medium for storing a program. When the program runs, it executes the steps of the debugging method based on the hybrid electric drive axle as claimed in claim 6 for the data output from the electronic device.

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