Vehicle endurance load calculation method, device, equipment and storage medium

Abstract

The application discloses a kind of vehicle endurance load calculation method, device, equipment and storage medium, the method is by obtaining the working condition load file of vehicle to be tested, target information is read from the working condition load file;According to the target information, automatically prepare incentive input file and calculate working condition driving card;According to the incentive input file and the working condition driving card of the calculation, vehicle body endurance simulation is carried out, and working condition endurance load data is obtained;Multiple working condition parameters can be automatically obtained and submitted for calculation at a time, without manual supervision, which greatly improves the working efficiency of endurance load decomposition simulation, realizes the rapid decomposition of endurance road spectrum, can identify the endurance performance defects of components in advance, reduces the cost of physical prototype verification, can be widely used in project development, stable and reliable in operation, improves the speed and efficiency of vehicle endurance load calculation.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of multi-body dynamics simulation, and in particular to a vehicle endurance load calculation method, device, equipment and storage medium. BACKGROUND

[0002] The existing vehicle endurance road spectrum analysis method is a whole vehicle four-wheel six-component road spectrum load analysis method, including 1, whole vehicle four-wheel six-component road spectrum test; 2, whole vehicle design data collection; 3, whole vehicle dynamics model establishment and calibration; 4, virtual iteration; 5, wheel center Z direction displacement acquisition; 6, whole vehicle load decomposition; 7, load result processing.

[0003] The disadvantage is that the simulation period is long, each road spectrum needs to be iteratively simulated, the iterative simulation time is long, and the calculation process is highly dependent on the operation intervention of the simulation engineer; this is contrary to the trend of continuously shortening the vehicle development period, and is not suitable for the needs of rapid product development; and when the endurance road spectrum data is large in number, the endurance load decomposition simulation work has the disadvantages of large workload, simple and repetitive operation, and error-prone. SUMMARY

[0004] The main purpose of the present application is to provide a vehicle endurance load calculation method, device, equipment and storage medium, which aims to solve the technical problems that the existing technology is contrary to the trend of continuously shortening the development period, is not suitable for the needs of rapid product development, and has the disadvantages of large workload, simple and repetitive operation, and error-prone when the endurance road spectrum data is large in number.

[0005] In a first aspect, the present application provides a vehicle endurance load calculation method, which comprises the following steps:

[0006] Obtaining a working condition load file of a vehicle to be tested, and reading target information from the working condition load file;

[0007] According to the target information, automatically preparing an excitation input file and calculating a working condition driving card;

[0008] According to the excitation input file and the working condition driving card, performing body endurance simulation to obtain working condition endurance load data.

[0009] Optionally, the obtaining of the working condition load file of the vehicle to be tested and the reading of the target information from the working condition load file comprises:

[0010] Obtaining road spectrum collection data of a vehicle to be tested on a durability road, and obtaining a working condition load file corresponding to different working conditions from the road spectrum collection data;

[0011] According to the information reading module, reading the target information from the working condition load file.

[0012] Optionally, the information reading module reads target information from the working condition load file according to the information, comprising:

[0013] According to the RPC coding rule, the information reading module reads the working condition file name, the sampling frequency and the data duration from the working condition load file, and takes the working condition file name, the sampling frequency and the data duration as the target information.

[0014] Optionally, the automatic preparation of the excitation input file and the calculation of the working condition driving card according to the target information, comprising:

[0015] According to the target information, the excitation channel name, the working condition file path and the working condition file name are obtained.

[0016] According to the excitation channel name, the working condition file path, the working condition file name and the Adams software coding rule, an excitation input file is generated in the excitation input folder in the preset vehicle database.

[0017] According to the working condition data duration information and the sampling frequency information in the target information, a calculation working condition card command set file is generated, and according to the Adams software readable card format and the calculation working condition card command set file, a calculation working condition driving card is generated.

[0018] Optionally, the body durability simulation according to the excitation input file and the calculation working condition driving card to obtain working condition durability load data, comprising:

[0019] According to the excitation input file and the calculation working condition driving card, a vehicle virtual prototype model is used to perform body durability simulation on the vehicle to be tested to obtain working condition durability load data.

[0020] Optionally, the body durability simulation according to the excitation input file and the calculation working condition driving card to obtain working condition durability load data, comprising:

[0021] According to the excitation input file and the calculation working condition driving card, the corresponding simulation experiment parameters are selected.

[0022] According to the simulation experiment parameters, a simulation experiment environment is built, and a body durability simulation experiment is performed on the vehicle virtual prototype model in the simulation experiment environment.

[0023] The working condition durability load data is obtained through simulation calculation.

[0024] Optionally, the working condition durability load data is obtained through simulation calculation, comprising:

[0025] The durability load of each part and component of the suspension of the vehicle to be tested and the durability load of the body connection point are obtained through simulation calculation.

[0026] In a second aspect, the present application provides a vehicle durability load calculation device, which comprises:

[0027] A reading information module is configured to obtain a working condition load file of the vehicle to be tested and read target information from the working condition load file.

[0028] A calculation module is configured to automatically compile an excitation input file and a calculation working condition driving card according to the target information.

[0029] A durability simulation module is configured to perform body durability simulation according to the excitation input file and the calculation working condition driving card to obtain working condition durability load data.

[0030] In a third aspect, the present application provides a vehicle durability load calculation device, which comprises a memory, a processor and a vehicle durability load calculation program stored in the memory and executable on the processor, and the vehicle durability load calculation program is configured to implement the steps of the vehicle durability load calculation method.

[0031] In a fourth aspect, the present application provides a storage medium, which stores a vehicle durability load calculation program, and the vehicle durability load calculation program is configured to implement the steps of the vehicle durability load calculation method when executed by a processor.

[0032] The vehicle durability load calculation method provided by the present application can automatically obtain parameters of multiple working conditions and submit calculation at one time, without manual supervision, greatly improving the working efficiency of durability load decomposition simulation, realizing rapid decomposition of durability road spectrum, identifying durability performance defects of parts in advance, reducing the cost of physical prototype verification, and being widely applied in project development, stable and reliable in operation, and improving the speed and efficiency of vehicle durability load calculation. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 The device structure schematic diagram of the hardware running environment involved in the embodiment of the present application;

[0034] Figure 2 The flowchart of the first embodiment of the vehicle endurance load calculation method of the present application is shown in the figure.

[0035] Figure 3 The flowchart of the second embodiment of the vehicle endurance load calculation method of the present application is shown in the figure.

[0036] Figure 4 The flowchart of the third embodiment of the vehicle endurance load calculation method of the present application is shown in the figure.

[0037] Figure 5 The flowchart of the fourth embodiment of the vehicle endurance load calculation method of the present application is shown in the figure.

[0038] Figure 6 The flowchart of the fifth embodiment of the vehicle endurance load calculation method of the present application is shown in the figure.

[0039] Figure 7 The functional module diagram of the first embodiment of the vehicle endurance load calculation device of the present application is shown in the figure.

[0040] The realization of the object, the functional features and the advantages of the present application will be further explained in connection with the embodiments and with reference to the drawings. DETAILED DESCRIPTION

[0041] It should be understood that the specific embodiments described herein are merely intended to explain the present application and not to limit the present application.

[0042] The solution of the embodiments of the present application is mainly as follows: obtaining a working condition load file of a vehicle to be tested, reading target information from the working condition load file, automatically preparing an excitation input file and a calculation working condition driving card according to the target information, performing body endurance simulation according to the excitation input file and the calculation working condition driving card to obtain working condition endurance load data, and automatically obtaining parameters of multiple working conditions and submitting calculation at one time without manual supervision, which greatly improves the working efficiency of endurance load decomposition simulation, realizes rapid decomposition of endurance road spectrum, can identify endurance performance defects of parts in advance, reduces the cost of physical prototype verification, can be widely applied in project development, is stable and reliable in operation, improves the speed and efficiency of vehicle endurance load calculation, and solves the technical problems of the prior art, i.e., the trend of shortening is contrary to the demand of product rapid development, and the problems of large workload, simple and repetitive operation, and easy to make mistakes when the number of endurance spectrum data is large.

[0043] Reference Figure 1 , Figure 1 The device structure diagram of the hardware running environment involved in the embodiment of the present application is shown in the figure.

[0044] As Figure 1As shown, the device can include: a processor 1001, for example, a CPU, a communication bus 1002, a user interface 1003, a network interface 1004, a memory 1005. Among them, the communication bus 1002 is used to realize the connection communication between these components. The user interface 1003 can include a display screen (Display), an input unit such as a keyboard (Keyboard), and the optional user interface 1003 can also include a standard wired interface, a wireless interface. The network interface 1004 can optionally include a standard wired interface, a wireless interface (such as a Wi-Fi interface). The memory 1005 can be a high-speed RAM memory, or a stable memory (Non-Volatile Memory), such as a disk memory. The memory 1005 can also be an optional storage device independent of the aforementioned processor 1001.

[0045] Those skilled in the art can understand that Figure 1 The device structure shown in the figure does not constitute a limitation on the device, and can include more or fewer components than the figure, or combine certain components, or different component arrangements.

[0046] As Figure 1 As shown, the memory 1005 as a storage medium can include an operating device, a network communication module, a user interface module, and a vehicle endurance load calculation program.

[0047] The device of the present application calls the vehicle endurance load calculation program stored in the memory 1005 through the processor 1001, and performs the following operations:

[0048] Obtain the working condition load file of the vehicle to be tested, read the target information from the working condition load file;

[0049] According to the target information, automatically compile the excitation input file and calculate the working condition driving card;

[0050] According to the excitation input file and the calculation working condition driving card, the vehicle body endurance simulation is carried out, and the working condition endurance load data is obtained.

[0051] The device of the present application calls the vehicle endurance load calculation program stored in the memory 1005 through the processor 1001, and performs the following operations:

[0052] Obtain the road spectrum collection data of the vehicle to be tested on the endurance road, and obtain the working condition load file corresponding to different working conditions from the road spectrum collection data;

[0053] According to the information reading module, read the target information from the working condition load file.

[0054] The device of the present application calls the vehicle endurance load calculation program stored in the memory 1005 through the processor 1001, and further performs the following operations:

[0055] According to the remote parameter control RPC coding rule, the working condition file name, the sampling frequency and the data duration are read from the obtained working condition load file through the information reading module, and the working condition file name, the sampling frequency and the data duration are taken as target information.

[0056] The device of the present application calls the vehicle endurance load calculation program stored in the memory 1005 through the processor 1001, and further performs the following operations:

[0057] According to the target information, the excitation channel name, the working condition file path and the working condition file name are obtained;

[0058] According to the excitation channel name, the working condition file path, the working condition file name and the Adams software coding rule, the excitation input file is generated in the excitation input folder in the preset vehicle database.

[0059] According to the working condition data duration information and the sampling frequency information in the target information, the calculation working condition card command set file is generated, and according to the Adams software readable card format and the calculation working condition card command set file, the calculation working condition driving card is generated.

[0060] The device of the present application calls the vehicle endurance load calculation program stored in the memory 1005 through the processor 1001, and further performs the following operations:

[0061] According to the excitation input file and the calculation working condition driving card, the vehicle body endurance simulation of the vehicle to be tested is carried out by using the vehicle virtual prototype model, and the working condition endurance load data is obtained.

[0062] The device of the present application calls the vehicle endurance load calculation program stored in the memory 1005 through the processor 1001, and further performs the following operations:

[0063] According to the excitation input file and the calculation working condition driving card, the corresponding simulation experiment parameters are selected;

[0064] According to the simulation experiment parameters, the simulation experiment environment is built, and the vehicle virtual prototype model is subjected to the vehicle body endurance simulation experiment in the simulation experiment environment.

[0065] The working condition endurance load data is obtained through simulation calculation.

[0066] The device of the present application calls the vehicle endurance load calculation program stored in the memory 1005 through the processor 1001, and further performs the following operations:

[0067] The durability load of each part and component motion pair position and the body connecting point position of the vehicle to be tested is obtained through simulation calculation, and the durability load under each working condition is obtained after simulation calculation under each working condition, and working condition durability load data is generated.

[0068] The embodiment obtains the working condition load file of the vehicle to be tested, reads target information from the working condition load file, automatically prepares an excitation input file and a calculation working condition driving card according to the target information, performs body durability simulation according to the excitation input file and the calculation working condition driving card, and obtains working condition durability load data.

[0069] Based on the hardware structure, the vehicle durability load calculation method embodiment of the application is provided.

[0070] Reference Figure 2 , Figure 2 The flowchart of the first embodiment of the vehicle durability load calculation method of the application is shown.

[0071] In the first embodiment, the vehicle durability load calculation method comprises the following steps:

[0072] In step S10, the working condition load file of the vehicle to be tested is obtained, and target information is read from the working condition load file.

[0073] It should be noted that the working condition load file is the road spectrum data of the vehicle to be tested under the current road and different working conditions, and information needed for subsequent durability calculation can be read from the working condition load file as target information.

[0074] In step S20, the excitation input file and the calculation working condition driving card are automatically prepared according to the target information.

[0075] It should be understood that the excitation input file can be automatically prepared according to the target information, and the calculation working condition driving card can be generated according to the target information.

[0076] In step S30, the body durability simulation is performed according to the excitation input file and the calculation working condition driving card, and the working condition durability load data is obtained.

[0077] It can be understood that the vehicle body durability simulation test is carried out according to the excitation input file and the calculation working condition driving card, and the test results can be output after the durability simulation test, so as to obtain the working condition durability load data.

[0078] In the embodiment, the working condition load file of the vehicle to be tested is acquired, the target information is read from the working condition load file, the excitation input file and the calculation working condition driving card are automatically prepared according to the target information, the vehicle body durability simulation is carried out according to the excitation input file and the calculation working condition driving card, and the working condition durability load data is obtained. The parameters of multiple working conditions can be automatically acquired and submitted for calculation at one time, manual attendance is not required, the working efficiency of the durability load decomposition simulation is greatly improved, the durability road spectrum is quickly decomposed, the durability performance defects of components can be identified in advance, the cost of physical prototype verification is reduced, the method can be widely applied in project development, is stable and reliable in operation, and the speed and efficiency of vehicle durability load calculation are improved.

[0079] Further, Figure 3 A flowchart of a second embodiment of the vehicle durability load calculation method of the application is shown in Figure 3 The second embodiment of the vehicle durability load calculation method of the application is proposed based on the first embodiment. In the embodiment, the step S10 specifically includes the following steps.

[0080] In step S11, the road spectrum acquisition data of the vehicle to be tested on a durability road is acquired, and the working condition load file corresponding to different working conditions is obtained from the road spectrum acquisition data.

[0081] It should be noted that the vehicle to be tested is tested on a durability road for durability test, and corresponding road spectrum acquisition data is generated. The working condition load file corresponding to different working conditions can be obtained from the road spectrum acquisition data.

[0082] In step S12, the target information is read from the working condition load file by the information reading module.

[0083] It can be understood that the information required for subsequent durability calculation can be read from the working condition load file by the information reading module as the target information.

[0084] In the embodiment, the road spectrum acquisition data of the vehicle to be tested on a durability road is acquired, the working condition load file corresponding to different working conditions is obtained from the road spectrum acquisition data, and the target information is read from the working condition load file by the information reading module. The parameters of multiple working conditions can be automatically acquired and submitted for calculation at one time, manual attendance is not required, and the working efficiency of the durability load decomposition simulation is greatly improved.

[0085] Further, Figure 4The flowchart of the third embodiment of the vehicle endurance load calculation method of the present application is shown in FIG. 12. Figure 4 The third embodiment of the vehicle endurance load calculation method of the present application is proposed based on the second embodiment, and in this embodiment, the step S12 specifically comprises the following steps:

[0086] In step S121, the working condition file name, the sampling frequency and the data duration are read from the working condition load file according to the remote parameter control (RPC) coding rule through the information reading module, and the working condition file name, the sampling frequency and the data duration are taken as the target information.

[0087] It should be noted that the working condition file name, the sampling frequency and the data duration can be read from the working condition load file according to the remote parameter control (RPC) coding rule through the information reading module, and then the working condition file name, the sampling frequency and the data duration can be taken as the target information.

[0088] It can be understood that the remote parameter control RPC technology of MTS is one of the core methods for vehicle and component road simulation test application, and MTS system company creates a remote parameter control (RPC III) file format, which has become a standard for writing time history information of load, force and acceleration. The RPC III file format supports multi-channel time history data with fixed sampling rate or time step. The road spectrum data d_n.drv file is a data file in the RPC III technology format, which records various information of endurance road spectrum collection. The d_n.drv file used in this paper mainly includes the hub six-component force information collected on the endurance road.

[0089] In specific implementation, the information reading module can actively search the working condition folder loadcases.tbl in the vehicle database of Adams software, find all working condition files d_n.drv (RPC III format files formed by editing the road spectrum data *.rsp file), and read the sampling frequency and data duration information from the d_n.drv working condition file according to the RPC coding rule, which is used for preparing the working condition card for endurance road calculation.

[0090] Through the above scheme, the working condition file name, the sampling frequency and the data duration are read from the working condition load file according to the remote parameter control RPC coding rule through the information reading module, and the working condition file name, the sampling frequency and the data duration are taken as the target information, so that the required data can be quickly obtained as the target information, and the working efficiency of endurance load decomposition simulation is greatly improved.

[0091] Further, Figure 5A flowchart of the fourth embodiment of the vehicle endurance load calculation method of the present application is shown in FIG. 4, which is based on the first embodiment. In this embodiment, step S20 specifically includes the following steps: Figure 5

[0092] Step S21: Obtain the actuation channel name, working condition file path and working condition file name according to the target information.

[0093] It should be noted that the actuation channel name, working condition file path and working condition file name can be obtained according to the target information.

[0094] Step S22: Generate an actuation input file in the actuation input folder in the preset vehicle database according to the actuation channel name, working condition file path, working condition file name and Adams software coding rules.

[0095] It can be understood that the actuation input file can be generated in the actuation input folder in the preset vehicle database according to the actuation channel name, working condition file path, working condition file name and Adams software coding rules.

[0096] In a specific implementation, the actuation file d_n.aci can be generated in the actuation input folder actuation_inputs.tbl in the Adams software vehicle database according to the Adams software coding rules, mainly containing the actuation channel name, path of the working condition file and name of the working condition file and other information.

[0097] Step S23: Generate a calculation working condition card command set file according to the working condition data time length information and sampling frequency information in the target information, and generate a calculation working condition driving card according to the Adams software readable card format and the calculation working condition card command set file.

[0098] It should be understood that the calculation working condition card command set file can be generated according to the working condition data time length information and sampling frequency information in the target information, and the calculation working condition driving card can be generated according to the Adams software readable card format and the calculation working condition card command set file.

[0099] ​In a specific implementation, in order to fill in the related parameter information of a working condition shown in the calculation working condition card of the Adams software, a durability simulation calculation of a working condition is submitted, mainly including a calculation time End Time, a sampling frequency Frequency [Hz], and a path of an excitation input file Actuation Input File, etc. The calculation time and the sampling frequency information are usually obtained by using nCode or the like to open a road spectrum working condition file d_n.drv and read the working condition data time and the sampling frequency parameters. A calculation working condition card module is produced, the calculation time and the sampling frequency information obtained by using the information reading module are used, and a calculation working condition card command set file readable by the Adams software is generated, so as to realize the same function as the calculation working condition card of the Adams software.

[0100] According to the above scheme, the excitation channel name, the working condition file path, and the working condition file name are obtained according to the target information; the excitation input file is generated in the excitation input folder in the preset vehicle database according to the excitation channel name, the working condition file path, the working condition file name, and the Adams software coding rule; the calculation working condition card command set file is generated according to the working condition data time information and the sampling frequency information in the target information, and the calculation working condition driving card is generated according to the Adams software readable card format and the calculation working condition card command set file, so as to realize the rapid decomposition of the durability road spectrum, to identify the durability performance defects of the parts in advance, and to improve the speed and efficiency of the vehicle durability load calculation.

[0101] Further, Figure 6 The flowchart of the fifth embodiment of the vehicle durability load calculation method of the present application is shown in FIG. 8. Figure 6 The fifth embodiment of the vehicle durability load calculation method of the present application is based on the first embodiment, and in the embodiment, the step S30 specifically includes the following steps:

[0102] In step S31, the vehicle body durability simulation is performed on the vehicle to be tested by using the vehicle virtual prototype model according to the excitation input file and the calculation working condition driving card, and the working condition durability load data is obtained.

[0103] It should be noted that the vehicle body durability simulation can be performed on the vehicle to be tested by using the vehicle virtual prototype model according to the excitation input file and the calculation working condition driving card, and the working condition durability load data is obtained.

[0104] In a specific implementation, the vehicle virtual prototype model.asy is a kind of vehicle multi-body dynamics vehicle model, mainly composed of a vehicle body subsystem, a front suspension subsystem, a rear suspension subsystem, a steering subsystem, a stabilizer bar subsystem, a brake subsystem, a virtual test bench subsystem and the like; the model vehicle body is fixed to the ground, and there are excitation channels at the wheel centers of four wheels, and wheel six-component forces, i.e. Fx, Fy, Fz, Tx, Ty and Tz, can be input; based on the fixed vehicle body method of Adams software, the wheel six-component forces of the road spectrum of the endurance road are taken as excitation inputs, vehicle multi-body dynamics simulation is highly automatically executed, and endurance loads of key points of the suspension and the vehicle body are obtained.

[0105] Further, the step S31 specifically includes the following steps:

[0106] According to the excitation input file and the calculation working condition driving card, corresponding simulation experiment parameters are selected;

[0107] According to the simulation experiment parameters, a simulation experiment environment is built, and a vehicle body endurance simulation experiment is performed on the vehicle virtual prototype model in the simulation experiment environment;

[0108] Working condition endurance load data is obtained through simulation calculation.

[0109] It can be understood that, according to the excitation input file and the calculation working condition driving card, corresponding simulation experiment parameters can be selected, and then according to the simulation experiment parameters, a simulation experiment environment is built, and then a vehicle body endurance simulation experiment is performed in the simulation experiment environment, so that working condition endurance load data corresponding to different working conditions can be obtained.

[0110] Further, the step of obtaining working condition endurance load data through simulation calculation specifically includes the following steps:

[0111] Through simulation calculation, endurance loads of suspension parts, components and joint points of the vehicle body are obtained, and after simulation calculation under each working condition, endurance loads under each working condition are obtained, and working condition endurance load data is generated.

[0112] In a specific implementation, the fixed vehicle body method endurance simulation can be performed, based on the virtual loading test bench model, the vehicle body subsystem is fixed to the ground, working condition loads (from d_n.drv) are input at the wheel centers of the vehicle multi-body dynamics model, simulation calculation is carried out according to the time length and sampling frequency of the working condition loads, and endurance loads of suspension parts, components and joint points of the vehicle body are obtained.

[0113] The technical scheme of the embodiment can be applied to the simulation after the durable road spectrum decomposition simulation in project development, and the simulation work that originally needs 2-3 days to complete can be completed within 8 hours; the original simulation mode needs manual attendance, setting of working condition parameters and submission of calculation for each working condition, and is low in efficiency; the quick decomposition device technical scheme does not need manual attendance, can automatically obtain parameters (data length, sampling frequency) of multiple working conditions at a time and submit calculation, greatly improves the working efficiency of the durable load decomposition simulation, is widely applied in project development, is stable and reliable in operation and brings considerable economic benefits to enterprises.

[0114] The embodiment can automatically obtain parameters of multiple working conditions at a time and submit calculation without manual attendance, greatly improves the working efficiency of the durable load decomposition simulation, realizes the quick decomposition of the durable road spectrum, can identify the durability performance defects of parts in advance, reduces the cost of physical prototype verification, can be widely applied in project development, is stable and reliable in operation, and improves the speed and efficiency of vehicle durability load calculation.

[0115] Correspondingly, the application further provides a vehicle durability load calculation device.

[0116] Referring to Figure 7 , Figure 7 It is a function module diagram of the first embodiment of the vehicle durability load calculation device of the application.

[0117] In the first embodiment of the vehicle durability load calculation device of the application, the vehicle durability load calculation device comprises:

[0118] The reading information module 10 is used for obtaining a working condition load file of a vehicle to be tested, and reading target information from the working condition load file.

[0119] The calculation module 20 is used for automatically preparing an excitation input file and a calculation working condition driving card according to the target information.

[0120] The durability simulation module 30 is used for performing body durability simulation according to the excitation input file and the calculation working condition driving card, and obtaining working condition durability load data.

[0121] The reading information module 10 is also used for obtaining road spectrum collection data of a vehicle to be tested on a durable road, obtaining working condition load files corresponding to different working conditions from the road spectrum collection data, and reading target information from the working condition load files according to the information reading module.

[0122] The reading information module 10 is further configured to read a working condition file name, a sampling frequency and a data time length from the obtained working condition load file according to a remote parameter control (RPC) coding rule through the information reading module, and take the working condition file name, the sampling frequency and the data time length as target information.

[0123] The compiling calculation module 20 is further configured to obtain an excitation channel name, a working condition file path and a working condition file name according to the target information, generate an excitation input file in an excitation input folder in a preset vehicle database according to the excitation channel name, the working condition file path, the working condition file name and an Adams software coding rule, generate a calculation working condition card command set file according to working condition data time length information and sampling frequency information in the target information, and generate a calculation working condition drive card according to an Adams software readable card format and the calculation working condition card command set file.

[0124] The durability simulation module 30 is further configured to perform body durability simulation on the vehicle to be tested by using a vehicle virtual prototype model according to the excitation input file and the calculation working condition drive card, and obtain working condition durability load data.

[0125] The durability simulation module 30 is further configured to select corresponding simulation experiment parameters according to the excitation input file and the calculation working condition drive card, build a simulation experiment environment according to the simulation experiment parameters, perform body durability simulation experiment on the vehicle virtual prototype model in the simulation experiment environment, and obtain working condition durability load data through simulation calculation.

[0126] The durability simulation module 30 is further configured to obtain durability load of each part component kinematic pair position and body connection point position of a suspension of the vehicle to be tested through simulation calculation, obtain durability load under each working condition after simulation calculation is completed under each working condition, and generate working condition durability load data.

[0127] The steps implemented by each functional module of the vehicle durability load calculation device can refer to each embodiment of the vehicle durability load calculation method of the present application, which will not be described here again.

[0128] In addition, the embodiment of the present application further proposes a storage medium, and the storage medium stores a vehicle durability load calculation program. When the vehicle durability load calculation program is executed by a processor, the following operations are implemented:

[0129] Obtain a working condition load file of a vehicle to be tested, and read target information from the working condition load file;

[0130] According to the target information, automatically compile an excitation input file and a calculation working condition drive card;

[0131] According to the excitation input file and the calculation working condition driving card, a vehicle body durability simulation is performed, and working condition durability load data is obtained.

[0132] Further, the vehicle durability load calculation program, when executed by the processor, further implements the following operations:

[0133] Obtaining road spectrum collection data of a vehicle to be tested on a durability road, and obtaining a working condition load file corresponding to different working conditions from the road spectrum collection data;

[0134] According to the information reading module, target information is read from the working condition load file.

[0135] Further, the vehicle durability load calculation program, when executed by the processor, further implements the following operations:

[0136] According to the remote parameter control RPC coding rule, the working condition file name, the sampling frequency and the data duration are read from the working condition load file by the information reading module, and the working condition file name, the sampling frequency and the data duration are taken as the target information.

[0137] Further, the vehicle durability load calculation program, when executed by the processor, further implements the following operations:

[0138] According to the target information, an excitation channel name, a working condition file path and a working condition file name are obtained;

[0139] According to the excitation channel name, the working condition file path, the working condition file name and the Adams software coding rule, an excitation input file is generated in a preset vehicle database in an excitation input folder;

[0140] According to the working condition data duration information and the sampling frequency information in the target information, a calculation working condition card command set file is generated, and a calculation working condition driving card is generated according to the Adams software readable card format and the calculation working condition card command set file.

[0141] Further, the vehicle durability load calculation program, when executed by the processor, further implements the following operations:

[0142] According to the excitation input file and the calculation working condition driving card, a vehicle body durability simulation is performed, and working condition durability load data is obtained.

[0143] Further, the vehicle durability load calculation program, when executed by the processor, further implements the following operations:

[0144] According to the excitation input file and the calculation working condition driving card, corresponding simulation experiment parameters are selected;

[0145] According to the simulation experiment parameter, a simulation experiment environment is built, and a body durability simulation experiment is performed on the vehicle virtual prototype model in the simulation experiment environment.

[0146] The working condition durability load data is obtained through simulation calculation.

[0147] Further, when the vehicle durability load calculation program is executed by the processor, the following operations are further implemented:

[0148] The durability load of each part and component motion pair position and body connection point position of the vehicle to be tested is obtained through simulation calculation, and the durability load under each working condition is obtained after simulation calculation under each working condition, and the working condition durability load data is generated.

[0149] Those skilled in the art can understand that all or part of the steps in the above-mentioned embodiments can be completed by a program instructing related hardware, the program is stored in a storage medium, and includes a plurality of instructions for making a device (which can be a single-chip microcomputer, a chip, etc.) or a processor execute all or part of the steps of the method described in each embodiment of the present application; and the foregoing storage medium includes a U disk, a mobile hard disk, a read-only memory (ROM, Read-Only Memory), a random access memory (RAM, Random Access Memory), a magnetic disk or an optical disk and various program code storage media.

[0150] It should be noted that in this document, the terms "comprising", "including", or any other variant thereof are intended to cover non-exclusive inclusion, so that processes, methods, articles or devices including a series of elements not only include those elements, but also include other elements not explicitly listed, or include elements inherent to such processes, methods, articles or devices. Without more limitations, the element defined by the statement "including a" does not exclude the presence of additional identical elements in the process, method, article or device including the element.

[0151] The above-mentioned embodiment numbers of the present application are only for description, and do not represent the advantages and disadvantages of the embodiments.

[0152] The above is only the preferred embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A vehicle durability load calculation method characterized by, The vehicle endurance load calculation method comprises: obtaining a working condition load file of a vehicle to be tested, and reading target information from the working condition load file; automatically compiling an excitation input file and a calculation working condition driving card according to the target information; performing body endurance simulation according to the excitation input file and the calculation working condition driving card to obtain working condition endurance load data; wherein the automatically compiling an excitation input file and a calculation working condition driving card according to the target information comprises: obtaining an excitation channel name, a working condition file path and a working condition file name according to the target information; generating an excitation input file in an excitation input folder in a preset vehicle database according to the excitation channel name, the working condition file path, the working condition file name and an Adams software coding rule; generating a calculation working condition card command set file according to working condition data time length information and sampling frequency information in the target information, and generating a calculation working condition driving card according to an Adams software readable card format and the calculation working condition card command set file.

2. The vehicle durability load calculation method according to claim 1, characterized by, The obtaining a working condition load file of a vehicle to be tested, and reading target information from the working condition load file comprises: obtaining road spectrum collection data of the vehicle to be tested on a durability road, and obtaining working condition load files corresponding to different working conditions from the road spectrum collection data; reading target information from the working condition load file by an information reading module.

3. The vehicle durability load calculation method according to claim 2, characterized by, The reading target information from the working condition load file by the information reading module comprises: reading a working condition file name, a sampling frequency and data time length from the working condition load file by the information reading module according to a remote parameter control RPC coding rule, and taking the working condition file name, the sampling frequency and the data time length as target information.

4. The vehicle durability load calculation method according to claim 1, characterized by, The performing body endurance simulation according to the excitation input file and the calculation working condition driving card to obtain working condition endurance load data comprises: performing body endurance simulation on the vehicle to be tested by using a vehicle virtual prototype model according to the excitation input file and the calculation working condition driving card to obtain working condition endurance load data.

5. The vehicle durability load calculation method according to claim 4, characterized by, The performing body endurance simulation on the vehicle to be tested by using a vehicle virtual prototype model according to the excitation input file and the calculation working condition driving card to obtain working condition endurance load data comprises: selecting corresponding simulation experiment parameters according to the excitation input file and the calculation working condition driving card; building a simulation experiment environment according to the simulation experiment parameters, and performing body endurance simulation experiment on the vehicle virtual prototype model in the simulation experiment environment; obtaining working condition endurance load data through simulation calculation.

6. The vehicle durability load calculation method according to claim 5, characterized by, The obtaining working condition endurance load data through simulation calculation comprises: obtaining endurance load of each part component kinematic pair part and body connection point part of a suspension of the vehicle to be tested through simulation calculation, obtaining endurance load under each working condition after simulation calculation under each working condition is completed, and generating working condition endurance load data.

7. A vehicle durability load calculation device characterized by comprising: The vehicle endurance load calculation device comprises: an information reading module configured to obtain a working condition load file of a vehicle to be tested, and read target information from the working condition load file; A calculation module is used to automatically compile stimulus input files and calculation condition driving cards based on the target information; The durability simulation module is used to perform vehicle body durability simulation based on the excitation input file and the calculation condition drive card to obtain the condition durability load data. The computation module is further configured to obtain the excitation channel name, operating condition file path, and operating condition file name based on the target information; generate an excitation input file in the excitation input folder of the preset vehicle database based on the excitation channel name, operating condition file path, operating condition file name, and Adams software coding rules; generate a calculation operating condition card command set file based on the operating condition data duration information and sampling frequency information in the target information; and generate a calculation operating condition drive card based on the Adams software readable card format and the calculation operating condition card command set file.

8. A vehicle endurance load calculation apparatus characterized by comprising: The vehicle durability load calculation device includes: a memory, a processor, and a vehicle durability load calculation program stored in the memory and executable on the processor, the vehicle durability load calculation program being configured to implement the steps of the vehicle durability load calculation method as described in any one of claims 1 to 6.

9. A storage medium, characterized by The storage medium stores a vehicle durability load calculation program, which, when executed by a processor, implements the steps of the vehicle durability load calculation method as described in any one of claims 1 to 6.

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