Evaluation method, electronic device and medium for evaluating the effectiveness of collision honeycomb aluminum

Abstract

The present invention relates to an evaluation method, electronic device and medium for evaluating the effectiveness of collision honeycomb aluminum. The evaluation method comprises: defining an evaluation area of ​​a collided vehicle model and vehicle body feature points within each evaluation area; collecting a first vehicle body deformation and a first height at each vehicle body feature point after the collision of the collision honeycomb aluminum with the collided vehicle model, and collecting a second vehicle body deformation and a second height at each vehicle body feature point after the collision of the benchmark vehicle with the collided vehicle model; calculating a vehicle body structure deformation difference index BSI according to the first vehicle body deformation and the second vehicle body deformation; calculating a vehicle speed deformation distribution index BDI according to the first vehicle body deformation and the second vehicle body deformation; calculating a structure height index SHI according to the first vehicle body deformation, the first height, the second vehicle body deformation and the second height. The present invention can compare the degree of closeness between different versions and types of collision honeycomb aluminum and actual vehicles, and provide a basis for iterative development and comparative analysis of collision honeycomb aluminum.

Description

Technical Field

[0001] The invention relates to the field of automobile collision test evaluation, and in particular to an evaluation method, electronic equipment and medium for evaluating the effectiveness of collision honeycomb aluminum. Background Art

[0002] Automobile collision test is an important test method to check the safety performance of vehicles. As an important test device in collision test, collision honeycomb aluminum can simulate the other vehicle colliding with the test vehicle, represent the level of vehicle collision stiffness, reflect the characteristics of the other vehicle in the collision test, and is the main scale and measuring tool for vehicle collision strength. Therefore, whether collision honeycomb aluminum can effectively represent the actual vehicle has become a key technical issue. Simply comparing collision honeycomb aluminum and vehicle-to-vehicle test data is difficult to reflect the difference between the two from the overall perspective. Corresponding technical indicators are urgently needed to quantify and comprehensively evaluate the degree of proximity of collision honeycomb aluminum.

[0003] In view of this, the present invention is proposed. Summary of the invention

[0004] The purpose of the present invention is to provide a method, electronic equipment and medium for evaluating the effectiveness of collision honeycomb aluminum, so as to realize the effectiveness evaluation of various types of collision honeycomb aluminum.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] In a first aspect, the present invention provides a method for evaluating the effectiveness of collision honeycomb aluminum, comprising:

[0007] Delineating an evaluation area of ​​the collided vehicle model and vehicle body feature points within each evaluation area;

[0008] Collecting the first body deformation and the first height at each of the body feature points after the collision of the collision honeycomb aluminum and the collided vehicle model, and collecting the second body deformation and the second height at each of the body feature points after the benchmark vehicle collides with the collided vehicle model;

[0009] Calculating a body structure deformation difference index BSI according to the first body deformation and the second body deformation;

[0010] Calculating a vehicle speed deformation distribution index BDI according to the first vehicle body deformation and the second vehicle body deformation;

[0011] A structure height index SHI is calculated according to the first body deformation, the first height, the second body deformation, and the second height.

[0012] In a second aspect, the present invention provides an electronic device, comprising:

[0013] at least one processor, and a memory communicatively coupled to at least one of the processors;

[0014] The memory stores instructions that can be executed by at least one of the processors, and the instructions are executed by at least one of the processors so that at least one of the processors can perform the above method.

[0015] In a third aspect, the present invention provides a computer-readable storage medium, on which computer instructions are stored, and the computer instructions are used to enable the computer to execute the above method.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The evaluation method provided by the present invention is based on the collision between the collision honeycomb aluminum and the collided vehicle model and the collision between the benchmark vehicle and the collided vehicle model, and quantitatively evaluates the test results of the collision honeycomb aluminum from three dimensions: the body structure deformation difference index BSI, the vehicle speed deformation distribution index BDI and the structure height index SHI. The body structure deformation difference index BSI can evaluate the degree of closeness between the collision honeycomb aluminum and the actual vehicle result from the overall perspective, the vehicle speed deformation distribution index BDI examines the difference in body deformation distribution between the collision honeycomb aluminum and the actual vehicle collision, and the structure height index SHI can evaluate the difference in the vertical direction between the collision results of the two, so as to compare the degree of closeness between different versions and types of collision honeycomb aluminum and the actual vehicle, and provide a basis for the iterative development and comparative analysis of collision honeycomb aluminum. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 is a flow chart of the method for evaluating the effectiveness of collision honeycomb aluminum provided in Example 1;

[0020] Figure 2 It is a schematic diagram of the evaluation area and body feature points defined for a certain crashed vehicle model;

[0021] Figure 3 It is the deformation contour of the characteristic points of the vehicle body caused by the collision of the collision honeycomb aluminum with the collided vehicle model;

[0022] Figure 4 It uses the deformation profile of the characteristic points of the vehicle body caused by the collision between the benchmark vehicle and the collided vehicle;

[0023] Figure 5 It is a schematic diagram of the structure of the evaluation device for the effectiveness of collision honeycomb aluminum provided in Example 2;

[0024] Figure 6 It is a schematic diagram of the structure of the electronic device provided in Example 3. DETAILED DESCRIPTION

[0025] The following is a description of exemplary embodiments of the present application in conjunction with the accompanying drawings, including various details of the embodiments of the present application to facilitate understanding, which should be considered as merely exemplary. Therefore, it should be recognized by those of ordinary skill in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present application. Similarly, for the sake of clarity and conciseness, the description of well-known functions and structures is omitted in the following description.

[0026] Example 1

[0027] Figure 1 It is a flow chart of a method for evaluating the effectiveness of collision honeycomb aluminum provided in this embodiment. The method can be executed by an evaluation device for the effectiveness of collision honeycomb aluminum. The device can be composed of software and / or hardware and is generally integrated in an electronic device.

[0028] See also Figure 1 The above-mentioned method for evaluating the effectiveness of collision honeycomb aluminum comprises the following steps:

[0029] S110: Delineate an evaluation area of ​​the collided vehicle model and vehicle body feature points within each evaluation area.

[0030] The evaluation area refers to the area on the crashed vehicle model used to evaluate the collision honeycomb aluminum. The vehicle body feature point refers to the representative position of the benchmark vehicle model within the evaluation area.

[0031] Preferably, the evaluation area for defining the crashed vehicle type and the vehicle body feature points within each evaluation area include:

[0032] Delineate the evaluation area of ​​the hit vehicle model based on the collision position between the benchmark vehicle model and the hit vehicle model and the size of the hit vehicle model;

[0033] According to the size of the collided vehicle model, the vehicle body feature points within each of the evaluation areas are delineated.

[0034] For example, Figure 2As shown, for a certain model of vehicle that has been hit, if the collision position between the benchmark model and the model of vehicle that has been hit is the left side of the vehicle body, six evaluation areas are delineated from the front and rear ends of the vehicle with the vehicle point R as the center, among which the upper edges of areas 1, 2, and 3 are 900mm from the ground, and the lower edges are 600mm from the ground; the upper edges of areas 4, 5, and 6 are 600mm from the ground, and the lower edges are 350mm from the ground; the entire evaluation area is 250mm backward from the vehicle point R as the center line, among which area 3 is symmetrical with area 1, area 4 is symmetrical with area 6, the widths of areas 2 and 5 are both 500mm, and the widths of areas 1, 3, 4, and 6 are all 650mm. From top to bottom, horizontal rows are delineated every 125mm, divided into 5 horizontal rows, namely A, B, C, D, and E. The highest point of row A is 850mm, and each horizontal row is 250mm backward from point R as the center line ( Figure 2 A feature point is marked every 100 mm.

[0035] S120, collecting the first body deformation and the first height at each of the body feature points after the collision honeycomb aluminum collides with the collided vehicle model, and collecting the second body deformation and the second height at each of the body feature points after the benchmark vehicle collides with the collided vehicle model.

[0036] Among them, the first body deformation amount is the deformation amount generated at each of the body feature points after the collision honeycomb aluminum collides with the collided vehicle model, and the first height is the height of each of the body feature points after the collision honeycomb aluminum collides with the collided vehicle model; the second body deformation amount is the deformation amount generated at each of the body feature points after the benchmark vehicle collides with the collided vehicle model, and the second height is the height of each of the body feature points after the benchmark vehicle collides with the collided vehicle model.

[0037] like Figure 3 The figure shows the deformation contour of the characteristic points of the vehicle body caused by the collision of the collision honeycomb aluminum with the vehicle being hit. Figure 4 The figure shows the deformation contour of the characteristic points of the vehicle body caused by the collision between the benchmark vehicle and the collided vehicle model. The deformation value of the vehicle body at the corresponding characteristic point position can be obtained from the figure. Figure 3 and Figure 4 The x-axis is the direction from front to back along the longitudinal centerline of the vehicle, the y-axis is the horizontal direction from right to left of the vehicle, and the legend A represents the body feature points located on row A, B represents the body feature points located on row B, C represents the body feature points located on row C, D represents the body feature points located on row D, and E represents the body feature points located on row E.

[0038] S130: Calculate a body structure deformation difference index BSI according to the first body deformation and the second body deformation.

[0039] Among them, BSI refers to the overall difference between the first body deformation and the second body deformation. The larger the BSI, the greater the difference in the overall deformation between the two.

[0040] Preferably, calculating a body structure deformation difference index BSI according to the first body deformation and the second body deformation includes:

[0041] According to the first body deformation and the second body deformation, the absolute value S of the difference between each body feature point is calculated. ij ;

[0042] According to the absolute value of the difference S ij , calculate the mean value δ of the square root of the sum of the squares of the absolute values ​​of the differences of the vehicle body feature points in each row in each evaluation area i ;

[0043] According to the mean δ i , calculate the body structure deformation difference index BSI in each evaluation area x ;

[0044] According to the body structure deformation difference index BSI in each evaluation area x , calculate the body structure deformation difference index BSI.

[0045] Preferably, the absolute value of the difference S ij Calculate using the following formula: S ij =|S Tij -S Cij |, where S Tij is the first body deformation, S Cij is the second body deformation; i in the parameter represents the column where the body feature point is located, and j represents the row where the body feature point is located;

[0046] The mean δ i The calculation is done using the following formula: Where m is the total number of rows of vehicle body feature points in a single evaluation area;

[0047] The body structure deformation difference index BSI in each evaluation area x Calculated using the following formula: BSI x =max(δ i ), where x represents the number of the evaluation area;

[0048] The body structure deformation difference index BSI is calculated using the following formula: The number of evaluation areas is 6.

[0049] For example, Figure 2The following calculation is performed using region 3 as an example. This region includes three rows, A, B, and C, and each row has 7 feature points.

[0050] Use the above formula to calculate the δ corresponding to the three rows A, B, and C respectively i , δ A =11.4,δ B =13.4,δ C =23.9, taking the maximum value, we can get BSI3=23.9 for area 3. Similarly, we can calculate the body structure deformation difference indexes BSI1=38.3, BSI2=17.9, BSI4=26.1, BSI5=22.4, BSI6=20.8 for other areas. Among them, the body structure deformation difference in area 1 is the largest. The body structure deformation difference index can be obtained by weighted calculation through the formula

[0051] S140: Calculate a vehicle speed deformation distribution index BDI according to the first vehicle body deformation and the second vehicle body deformation.

[0052] Among them, BDI refers to the difference in body distribution between the first body deformation and the second body deformation. The larger the BDI is, the greater the difference in body deformation distribution between the two.

[0053] Preferably, calculating the vehicle speed deformation distribution index BDI according to the first vehicle body deformation and the second vehicle body deformation includes:

[0054] According to the first body deformation and the second body deformation, the absolute value S of the difference between each body feature point is calculated. ij ;

[0055] According to the absolute value of the difference S ij , calculate the mean value δ of the square root of the sum of the squares of the absolute values ​​of the differences of the vehicle body feature points in each row in each evaluation area i and the average of the absolute values ​​of the differences

[0056] According to the mean δ i and the average Calculate the normalized fluctuation degree parameter CV of each row of body feature points in each evaluation area i ;

[0057] According to the absolute value of the difference S ij , calculate the fluctuation parameter σ and the average value of the absolute value of the difference of all body feature points in each evaluation area

[0058] According to the fluctuation degree parameter σ, the average value and the normalized volatility parameter CVi , calculate the normalized fluctuation degree parameter CV of the absolute value of the difference of all body feature points in each evaluation area x ;

[0059] According to the normalized fluctuation parameter CV x , calculate the vehicle speed deformation distribution index BDI.

[0060] Preferably, the average value of the absolute value of the difference The calculation is done using the following formula:

[0061] The normalized fluctuation parameter CV i The calculation is done using the following formula:

[0062] The fluctuation degree parameter σ is calculated using the following formula: Among them, m is the total number of rows of body feature points in a single evaluation area, and n is the total number of columns of body feature points in a single evaluation area;

[0063] The average The calculation is done using the following formula:

[0064] The normalized fluctuation parameter CV x The calculation is done using the following formula: Among them, CV range =max(CV i )-min(CV i );

[0065] The vehicle speed deformation distribution index BDI is calculated using the following formula: The number of evaluation areas is 6.

[0066] For example, Figure 2 Take area 3 in the middle as an example and perform the following calculation to calculate the S corresponding to the three rows A, B, and C. ij The average They are From the BSI calculation example, we can get δ A , δ B , δ C , and then the above formula can be used to obtain the normalized volatility parameter CV for each row i .

[0067] CV A , CV B , CV C They are 0.417, 0.435, and 0.511 respectively, and we can get the CV in region 3 i The value range of CV range It is 0.094.

[0068] Further calculate the average value of area 3 as a whole (i.e., the fluctuation degree parameter of the absolute value of the difference of all body feature points in region 3) and the fluctuation degree parameter σ, respectively σ=9.89. According to the formula, the normalized fluctuation degree parameter corresponding to area 3 can be obtained:

[0069] Similarly, the calculation results for regions 1, 2, 4, 5, and 6 are CV1=2.32; CV2=3.14; CV4=6.60; CV5=17.32; and CV6=9.68, respectively. Among them, region 5 has the greatest difference in deformation distribution.

[0070] The deformation distribution index of the collision honeycomb aluminum body can be obtained

[0071] S150: Calculate a structure height index SHI according to the first body deformation, the first height, the second body deformation, and the second height.

[0072] Among them, SHI refers to the difference between the first height and the second height caused by the deformation of the vehicle body, reflecting the average height difference between the two based on the deformation of the vehicle body. The larger the SHI, the greater the difference in average impact height between the two.

[0073] Preferably, calculating a structure height index SHI according to the first body deformation, the first height, the second body deformation and the second height comprises:

[0074] Calculate the first structural height h of each evaluation area according to the first body deformation and the first height Tx ;

[0075] According to the second body deformation and the second height, the second structural height h of each evaluation area is calculated. Cx ;

[0076] According to the first structural height h Tx and the second structure height h Cx , calculate the absolute value of the structural height difference Δh in each evaluation area x ;

[0077] According to the absolute value of the structural height difference Δh x , calculate the structure height index SHI.

[0078] Preferably, the first structure height h Tx The calculation is done using the following formula: Among them, S Tijis the first body deformation, h i is the first height;

[0079] The second structure height h Cx The calculation is done using the following formula: Among them, S Cij is the deformation of the second vehicle body, h′ i is the second height;

[0080] The absolute value of the structural height difference Δh x Calculate using the following formula: Δh x =|h Tx -h Cx |;

[0081] The structural height index SHI is calculated using the following formula: The number of evaluation areas is 6.

[0082] For example, Figure 2 Take the middle area 3 as an example, which includes three rows A, B, and C, corresponding to three horizontal heights h respectively. A 、h B 、h C .

[0083] For collision honeycomb aluminum, the first body deformation S Tij and the first height h i , the first structural height h of the sub-evaluation area can be obtained T3 :

[0084]

[0085] According to the formula, h T3 It is 728.69.

[0086] For the benchmark vehicle, the second body deformation S Cij and the second height h′ i , the second structural height h of the sub-evaluation area can be obtained C3 :

[0087]

[0088] According to the formula, h C3 It is 725.56.

[0089] Calculate h in region 3 T3 and h C3 The absolute value of the difference, Δh3, is 3.13.

[0090] Similarly, the values ​​of regions 1, 2, 4, 5, and 6 can be calculated, respectively: Δh1 is 4.67, Δh2 is 3.32, Δh4 is 0.07, Δh5 is 1.17, and Δh6 is 0.03.

[0091] According to the formula, the normalized structural height index can be obtained

[0092] The above evaluation method is based on the collision between the collision honeycomb aluminum and the collided vehicle model and the collision between the benchmark vehicle and the collided vehicle model. It quantitatively evaluates the test results of the collision honeycomb aluminum from three dimensions: the body structure deformation difference index BSI, the vehicle speed deformation distribution index BDI and the structure height index SHI. The body structure deformation difference index BSI can evaluate the degree of closeness between the collision honeycomb aluminum and the actual vehicle results from an overall perspective. The vehicle speed deformation distribution index BDI examines the difference in body deformation distribution between the collision honeycomb aluminum and the actual vehicle collision. The structure height index SHI can evaluate the difference in the vertical direction between the collision results of the two, so as to compare the degree of closeness between different versions and types of collision honeycomb aluminum and the actual vehicle, providing a basis for the iterative development and comparative analysis of collision honeycomb aluminum.

[0093] Example 2

[0094] like Figure 5 As shown, this embodiment provides a device for evaluating the effectiveness of collision honeycomb aluminum, comprising:

[0095] An evaluation area and vehicle body feature point delineation module 101, for delineating an evaluation area of ​​the collided vehicle model and vehicle body feature points within each evaluation area;

[0096] The data collection module 102 is used to collect the first body deformation and the first height at each of the body feature points after the collision of the collision honeycomb aluminum and the collided vehicle model, and collect the second body deformation and the second height at each of the body feature points after the benchmark vehicle collides with the collided vehicle model;

[0097] A BSI calculation module 103, configured to calculate a body structure deformation difference index BSI according to the first body deformation and the second body deformation;

[0098] A BDI calculation module 104, configured to calculate a vehicle speed deformation distribution index BDI according to the first vehicle body deformation and the second vehicle body deformation;

[0099] The SHI calculation module 105 is used to calculate a structure height index SHI according to the first body deformation, the first height, the second body deformation and the second height.

[0100] The device is used to execute the above method, and thus has at least functional modules and beneficial effects corresponding to the above method.

[0101] Example 3

[0102] like Figure 6 As shown, this embodiment provides an electronic device, including:

[0103] at least one processor; and

[0104] a memory communicatively connected to at least one of the processors; wherein,

[0105] The memory stores instructions executable by at least one of the processors, and the instructions are executed by at least one of the processors to enable at least one of the processors to perform the above method. At least one processor in the electronic device can perform the above method, and thus has at least the same advantages as the above method.

[0106] Optionally, the electronic device also includes an interface for connecting various components, including a high-speed interface and a low-speed interface. Various components are interconnected using different buses and can be installed on a common mainboard or installed in other ways as needed. The processor can process instructions executed in the electronic device, including instructions stored in or on a memory to display graphical information of a GUI (Graphical User Interface) on an external input / output device (such as a display device coupled to an interface). In other embodiments, if necessary, multiple processors can be used together with multiple memories, and / or multiple buses can be used together with multiple memories. Similarly, multiple electronic devices can be connected (for example, as a server array, a group of blade servers, or a multi-processor system), and each device provides some necessary operations. Figure 6 A processor 201 is taken as an example.

[0107] The memory 202, as a computer-readable storage medium, can be used to store software programs, computer executable programs and modules, such as program instructions / modules corresponding to the evaluation method for the effectiveness of the collision honeycomb aluminum in the embodiment of the present invention (for example, the evaluation area and vehicle body feature point delineation module 101, data acquisition module 102, BSI calculation module 103, BDI calculation module 104 and SHI calculation module 105 in the evaluation device for the effectiveness of the collision honeycomb aluminum). The processor 201 executes various functional applications and data processing of the device by running the software programs, instructions and modules stored in the memory 202, that is, realizes the above-mentioned evaluation method for the effectiveness of the collision honeycomb aluminum.

[0108] The memory 202 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system and at least one application required for a function; the data storage area may store data created according to the use of the terminal, etc. In addition, the memory 202 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one disk storage device, a flash memory device, or other non-volatile solid-state storage device. In some instances, the memory 202 may further include a memory remotely arranged relative to the processor 201, and these remote memories may be connected to the device via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0109] The electronic device may further include: an input device 203 and an output device 204. The processor 201, the memory 202, the input device 203 and the output device 204 may be connected via a bus or other means. Figure 6 The example of connecting through bus is taken in the following.

[0110] The input device 203 can receive input digital or character information, and the output device 204 can include a display device, an auxiliary lighting device (e.g., LED), and a tactile feedback device (e.g., a vibration motor), etc. The display device can include, but is not limited to, a liquid crystal display (LCD), a light emitting diode (LED) display, and a plasma display. In some embodiments, the display device can be a touch screen.

[0111] Example 5

[0112] This embodiment provides a computer-readable storage medium, on which computer instructions are stored, and the computer instructions are used to enable the computer to execute the above method. The computer instructions on the computer-readable storage medium are used to enable the computer to execute the above method, and thus have at least the same advantages as the above method.

[0113] The medium in the present invention may adopt any combination of one or more computer-readable media. The medium may be a computer-readable signal medium or a computer-readable storage medium. The medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device or device, or any combination thereof. More specific examples of the medium (a non-exhaustive list) include: an electrical connection with one or more wires, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination thereof. In this document, the medium may be any tangible medium containing or storing a program that may be used by or in combination with an instruction execution system, device, or device.

[0114] Computer-readable signal media may include data signals propagated in baseband or as part of a carrier wave, which carry computer-readable program code. Such propagated data signals may take a variety of forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the above. Computer-readable signal media may also be any computer-readable medium other than a computer-readable storage medium, which may send, propagate, or transmit a program for use by or in conjunction with an instruction execution system, apparatus, or device.

[0115] The program code contained on the computer-readable medium can be transmitted using any appropriate medium, including but not limited to wireless, wire, optical cable, RF (Radio Frequency), etc., or any suitable combination of the above.

[0116] Computer program code for performing the operations of the present invention may be written in one or more programming languages ​​or a combination thereof, including object-oriented programming languages ​​such as Java, Smalltalk, C++, and conventional procedural programming languages ​​such as "C" or similar programming languages. The program code may be executed entirely on the user's computer, partially on the user's computer, as a separate software package, partially on the user's computer and partially on a remote computer, or entirely on a remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a local area network (LAN) or a wide area network (WAN), or may be connected to an external computer (e.g., through the Internet using an Internet service provider).

[0117] It should be understood that the various forms of processes shown above can be used to reorder, add or delete steps. For example, the steps recorded in this application can be executed in parallel, sequentially or in different orders, as long as the expected results of the technical solution disclosed in this application can be achieved, and this document is not limited here.

[0118] The above specific implementations do not constitute a limitation on the protection scope of this application. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of this application should be included in the protection scope of this application.

Claims

1. A method for evaluating the effectiveness of collision honeycomb aluminum, characterized in that: include: Delineating an evaluation area of ​​the collided vehicle model and vehicle body feature points within each evaluation area; Collecting the first body deformation and the first height at each of the body feature points after the collision of the collision honeycomb aluminum and the collided vehicle model, and collecting the second body deformation and the second height at each of the body feature points after the benchmark vehicle collides with the collided vehicle model; Calculating a body structure deformation difference index BSI according to the first body deformation and the second body deformation; Calculating a vehicle speed deformation distribution index BDI according to the first vehicle body deformation and the second vehicle body deformation; Calculating a structure height index SHI according to the first body deformation, the first height, the second body deformation and the second height; The evaluation area for defining the crashed vehicle type and the vehicle body feature points within each evaluation area include: Delineate the evaluation area of ​​the hit vehicle model based on the collision position between the benchmark vehicle model and the hit vehicle model and the size of the hit vehicle model; Calculating a body structure deformation difference index BSI according to the first body deformation and the second body deformation includes: According to the first body deformation and the second body deformation, the absolute value S of the difference between each body feature point is calculated. ij ; According to the absolute value of the difference S ij , calculate the mean value δ of the square root of the sum of the squares of the absolute values ​​of the differences of the vehicle body feature points in each row in each evaluation area i ; According to the mean δ i , calculate the body structure deformation difference index BSI in each evaluation area x ; According to the body structure deformation difference index BSI in each evaluation area x , calculate the body structure deformation difference index BSI; Calculating a vehicle speed deformation distribution index BDI according to the first vehicle body deformation and the second vehicle body deformation includes: According to the first body deformation and the second body deformation, the absolute value S of the difference between each body feature point is calculated. ij ; According to the absolute value of the difference S ij , calculate the mean value δ of the square root of the sum of the squares of the absolute values ​​of the differences of the vehicle body feature points in each row in each evaluation area i and the average of the absolute values ​​of the differences ; According to the mean δ i and the average , calculate the normalized fluctuation degree parameter CV of each row of body feature points in each evaluation area i ; According to the absolute value of the difference S ij , calculate the fluctuation parameter σ and the average value of the absolute value of the difference of all body feature points in each evaluation area ; According to the fluctuation degree parameter σ, the average value and the normalized volatility parameter CV i , calculate the normalized fluctuation degree parameter CV of the absolute value of the difference of all body feature points in each evaluation area x ; According to the normalized fluctuation parameter CV x , calculate the vehicle speed deformation distribution index BDI; Calculating a structure height index SHI according to the first body deformation, the first height, the second body deformation, and the second height includes: Calculate the first structural height h of each evaluation area according to the first body deformation and the first height Tx ; According to the second body deformation and the second height, the second structural height h of each evaluation area is calculated. Cx ; According to the first structural height h Tx and the second structure height h Cx , calculate the absolute value of the structural height difference Δh in each evaluation area x ; According to the absolute value of the structural height difference Δh x , calculate the structure height index SHI.

2. The evaluation method according to claim 1, characterized in that: The evaluation area for defining the crashed vehicle type and the vehicle body feature points within each evaluation area include: According to the size of the collided vehicle model, the vehicle body feature points within each of the evaluation areas are delineated.

3. The evaluation method according to claim 1, characterized in that: The absolute value of the difference S ij The calculation is done using the following formula: , where S Tij is the first body deformation, S Cij is the deformation of the second vehicle body; The mean δ i The calculation is done using the following formula: , where m is the total number of rows of vehicle body feature points in a single evaluation area; The body structure deformation difference index BSI in each evaluation area x The calculation is done using the following formula: ; The body structure deformation difference index BSI is calculated using the following formula: , where k is the number of evaluation areas.

4. The evaluation method according to claim 1, characterized in that: The average value of the absolute values ​​of the differences The calculation is done using the following formula: ; The normalized fluctuation parameter CV i The calculation is done using the following formula: ; The fluctuation degree parameter σ is calculated using the following formula: , where m is the total number of rows of body feature points in a single evaluation area, and n is the total number of columns of body feature points in a single evaluation area; The average The calculation is done using the following formula: ; The normalized fluctuation parameter CV x The calculation is done using the following formula: ,in, =max(CV i )-min(CV i ); The vehicle speed deformation distribution index BDI is calculated using the following formula: , where k is the number of evaluation areas.

5. The evaluation method according to claim 1, characterized in that: The first structure height h Tx The calculation is done using the following formula: , where S Tij is the first body deformation, h i is the first height; The second structure height h Cx The calculation is done using the following formula: , where S Cij is the deformation of the second body, is the second height; The absolute value of the structural height difference Δh x The calculation is done using the following formula: ; The structural height index SHI is calculated using the following formula: , k is the number of evaluation areas.

6. An electronic device, characterized in that: include: at least one processor, and a memory communicatively coupled to at least one of the processors; The memory stores instructions executable by at least one of the processors, and the instructions are executed by at least one of the processors so that the at least one processor can execute the method described in any one of claims 1 to 5.

7. A computer-readable storage medium, characterized in that: The medium stores computer instructions, and the computer instructions are used to enable the computer to execute the method according to any one of claims 1 to 5.

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