Engine bolt tightening torque attenuation control method

Abstract

The invention particularly relates to an engine bolt tightening torque attenuation control method. The method comprises the steps that information of an engine bolt and working condition data of the bolt are obtained; substituting the information of the engine bolt and the working condition data of the bolt into the tightening torque attenuation control model to obtain a tightening torque attenuation control scheme corresponding to the engine bolt; performing simulation execution according to the tightening torque attenuation control scheme corresponding to the engine bolt to obtain a simulation result of the engine bolt; and selectively adjusting the tightening torque attenuation control scheme corresponding to the engine bolt according to the simulation result of the engine bolt, and executing the adjusted tightening torque attenuation control scheme corresponding to the engine bolt. According to the engine bolt tightening torque attenuation control device, targeted tightening torque attenuation control over the engine bolt is achieved, the situation that the bolt connection torque is reduced is reduced, the reliability and stability of engine bolt connection are ensured, the service life of an engine is prolonged, and the assembly quality of the engine is improved.

Description

Technical Field

[0001] The invention relates to the technical field of engine bolt tightening torque attenuation control, and in particular to an engine bolt tightening torque attenuation control method. Background Art

[0002] A complete and functioning engine needs to be assembled together through hundreds of bolts of different standards, models, functions, materials, and processing processes. Only through the connection of these bolts can an engine function normally. However, most of the mechanical failures of automobiles and automobile engines are caused by bolt problems.

[0003] The bolts of existing engines are generally assembled uniformly by machines, which makes it impossible to ensure that the bolts in the uniformly assembled engine are all in a tightened state. Manual inspection of the untightened bolts is required, and manual inspection is prone to errors and omissions, resulting in unstable bolt connection quality and even engine failure.

[0004] Therefore, the art needs a new engine bolt tightening torque attenuation control solution to solve the above problems. Summary of the invention

[0005] Based on this, the present invention proposes a method for controlling the attenuation of the tightening torque of engine bolts, which solves the problem that the bolts of existing engines are generally assembled uniformly by machines, which makes it impossible to ensure that the bolts in the engine that have been uniformly assembled are all in a tightened state, and manual secondary inspection of the untightened bolts is required. However, manual inspection is very prone to inspection errors, resulting in unstable bolt connection quality and even technical problems such as engine failure.

[0006] According to a first aspect of the present invention, a method for controlling engine bolt tightening torque attenuation is provided, the method comprising the following steps:

[0007] Obtain information about engine bolts and working condition data of the bolts;

[0008] Substituting the information of the engine bolt and the working condition data of the bolt into the tightening torque attenuation control model, so that according to the information of the engine bolt and the working condition data of the bolt, the maximum tightening torque borne by the engine bolt is determined, and then according to the working condition data of the bolt, at least one group of parameter combination values ​​corresponding to the engine bolt is determined to obtain a tightening torque attenuation control scheme corresponding to the engine bolt, wherein the tightening torque attenuation control scheme includes the maximum tightening torque borne by the engine bolt and at least one group of parameter combination values ​​corresponding to the engine bolt;

[0009] Performing simulation according to the tightening torque attenuation control scheme corresponding to the engine bolt to obtain a simulation result of the engine bolt, wherein the simulation result includes whether it can be executed or not;

[0010] According to the simulation results of the engine bolts, the tightening torque attenuation control scheme corresponding to the engine bolts is selectively adjusted, and the adjusted tightening torque attenuation control scheme corresponding to the engine bolts is selectively executed.

[0011] According to an embodiment of the present invention, the information of the engine bolt includes the model, service life and material type of the engine bolt, and the working condition data of the bolt includes the current connection parameters of the bolt;

[0012] Before substituting the information of the engine bolts and the working condition data of the bolts into the tightening torque attenuation control model, the method further trains the tightening torque attenuation control model through the following steps:

[0013] According to the historical bolt data comparison library, multiple sets of training sample sets are obtained, wherein the training sample sets include information of a set of bolts and working condition data corresponding to the bolts;

[0014] According to each group of training sample sets, the maximum tightening torque borne by the bolt corresponding to each group of training sample sets is determined;

[0015] Determine at least one group of parameter combination values ​​corresponding to each group of training sample sets according to the working condition data corresponding to the bolts in each group of training sample sets;

[0016] According to the maximum tightening torque borne by the bolt corresponding to each group of training sample sets and at least one group of parameter combination values ​​corresponding to each group of training sample sets, a tightening torque attenuation control scheme corresponding to each group of training sample sets is obtained;

[0017] According to each group of training sample sets and the tightening torque attenuation control scheme corresponding to each group of training sample sets, a simulation result of the tightening torque attenuation control scheme corresponding to each group of training sample sets is obtained, wherein the simulation result includes control success or control failure;

[0018] The training result of the tightening torque attenuation control model is determined according to the simulation result of the tightening torque attenuation control scheme corresponding to each group of training sample sets.

[0019] According to an embodiment of the present invention, obtaining multiple sets of training sample sets based on the historical bolt data comparison library includes:

[0020] Obtain the models and materials of multiple groups of bolts according to the historical bolt data comparison library;

[0021] The service life of each bolt is randomly set, and the working condition data of multiple groups of bolts are randomly set;

[0022] The information of each set of bolts is provided by using the model and material of the multiple sets of bolts and the service life of each bolt;

[0023] The information of each group of bolts is randomly assigned to the working condition data of multiple groups of bolts, so that the information of each group of bolts corresponds to the working condition data of one group of bolts;

[0024] A set of bolt information and bolt working condition data matching the bolt information are used as a set of training sample sets to obtain multiple sets of training sample sets.

[0025] According to an embodiment of the present invention, the tightening torque attenuation control model stores a preset material bearing torque comparison table and a preset weight coefficient database, and the maximum tightening torque borne by the bolt corresponding to each training sample set is determined according to each training sample set, including:

[0026] According to the information of the bolts in each group of training sample sets and the preset material bearing moment comparison table, the maximum bearing moment and the minimum bearing moment corresponding to the material type of the bolts in the information of the bolts in each group of training sample sets are determined;

[0027] Determine the life weight value corresponding to the service life of the bolt in the information of the bolts in each group of training sample sets according to the information of the bolts in each group of training sample sets and a preset weight coefficient database;

[0028] Determine the working condition coefficient value corresponding to the working condition data of the bolts in each set of training sample sets according to the working condition data of the bolts in the information of the bolts in each set of training sample sets and a preset weight coefficient database;

[0029] According to the maximum torque corresponding to the material type of the bolt in the information of each training sample set, the life weight value corresponding to the service life of the bolt in the information of each training sample set, and the working condition coefficient value corresponding to the working condition data of the bolt in each training sample set, the maximum tightening torque borne by the bolt corresponding to each training sample set is obtained.

[0030] According to an embodiment of the present invention, determining at least one group of parameter combination values ​​corresponding to each group of training sample sets according to the working condition data corresponding to the bolts in each group of training sample sets includes:

[0031] Determine at least one connection range corresponding to the bolts in each training sample set according to the working condition data corresponding to the bolts in each training sample set;

[0032] If the number of at least one group of connection ranges corresponding to the bolts in the training sample set exceeds 1, then according to the training sample set and each group of connection ranges corresponding to the bolts in the training sample set, the parameter values ​​corresponding to the bolts in the training sample set in each group of connection ranges are obtained respectively, and the parameter values ​​corresponding to the bolts in the training sample set in each group of connection ranges obtained respectively are used as the parameter combination values ​​corresponding to the bolts in the training sample set;

[0033] If the number of connection ranges of at least one group corresponding to the bolts in the training sample set is equal to 1, the connection range of one group corresponding to the bolts in the training sample set is split to obtain three groups of secondary connection ranges after the split;

[0034] According to the training sample set and the three groups of secondary connection ranges after splitting, the parameter values ​​corresponding to the bolts of the training sample set in each group of secondary connection ranges are obtained respectively, and the parameter values ​​corresponding to the bolts of the training sample set in each group of secondary connection ranges are used as the parameter combination values ​​corresponding to the bolts of the training sample set.

[0035] According to an embodiment of the present invention, a preset attenuation weight comparison table is stored in the tightening torque attenuation control model, and the parameter values ​​corresponding to the bolts in the training sample set in each connection range are obtained according to the training sample set and each connection range corresponding to the bolts in the training sample set, respectively, including:

[0036] Determining the basic value of the tightening parameter corresponding to the material type of the bolt according to the information of the bolt in the training sample set;

[0037] Determine the working condition coefficient value corresponding to the working condition data of the bolts in the training sample set according to the working condition data corresponding to the bolts in the training sample set and a preset weight coefficient database;

[0038] Determine the first-level attenuation weight value corresponding to each group of connection ranges corresponding to the bolts in the training sample set according to each group of connection ranges corresponding to the bolts in the training sample set and a preset attenuation weight comparison table;

[0039] According to the basic value of the tightening parameter corresponding to the material type of the bolt, the operating condition coefficient value corresponding to the operating condition data of the bolt in the training sample set, and the first-level attenuation weight value corresponding to each group of connection ranges corresponding to the bolts in the training sample set, the parameter values ​​corresponding to the bolts in the training sample set in each group of connection ranges are obtained respectively.

[0040] According to an embodiment of the present invention, obtaining the parameter values ​​corresponding to the bolts in each connection range of the training sample set according to the training sample set and the three groups of secondary connection ranges after the splitting includes:

[0041] Determining the basic value of the tightening parameter corresponding to the material type of the bolt according to the information of the bolt in the training sample set;

[0042] Determine the working condition coefficient value corresponding to the working condition data of the bolts in the training sample set according to the working condition data corresponding to the bolts in the training sample set and a preset weight coefficient database;

[0043] Determine the first-level attenuation weight value corresponding to the connection range corresponding to the bolts in the training sample set according to the connection range corresponding to the bolts in the training sample set and a preset attenuation weight comparison table;

[0044] According to the split ratios of the three groups of secondary connection ranges corresponding to the split training sample set and the primary attenuation weight values ​​corresponding to the connection ranges corresponding to the bolts in the training sample set, the secondary attenuation weight values ​​corresponding to the bolts in the training sample set in each group of secondary connection ranges are obtained respectively;

[0045] According to the basic value of the tightening parameter corresponding to the material type of the bolt, the operating condition coefficient value corresponding to the operating condition data of the bolt in the training sample set, and the secondary attenuation weight value corresponding to the bolts in the training sample set within each group of secondary connection ranges, the parameter values ​​corresponding to the bolts in the training sample set within each group of secondary connection ranges are obtained respectively.

[0046] According to an embodiment of the present invention, the simulation results of the tightening torque attenuation control scheme corresponding to each training sample set are obtained according to each training sample set and the tightening torque attenuation control scheme corresponding to each training sample set, including:

[0047] According to each group of training sample sets, a simulation model corresponding to each group of training sample sets is constructed;

[0048] Substituting the tightening torque attenuation control scheme corresponding to each group of training sample sets into the simulation model corresponding to each group of training sample sets, to obtain simulation data of the tightening torque attenuation control scheme corresponding to each group of training sample sets;

[0049] According to the simulation data of the tightening torque attenuation control scheme corresponding to each group of training sample sets, the simulation results of the tightening torque attenuation control scheme corresponding to each group of training sample sets are obtained.

[0050] According to an embodiment of the present invention, determining the training result of the tightening torque attenuation control model according to the simulation result of the tightening torque attenuation control scheme corresponding to each group of training sample sets includes:

[0051] According to the simulation results of the tightening torque attenuation control scheme corresponding to each group of training sample sets, the success rate of the tightening torque attenuation control scheme corresponding to all training sample sets is obtained;

[0052] If the success rate of the tightening torque attenuation control schemes corresponding to all training sample sets reaches a preset success rate threshold, the training result of the tightening torque attenuation control model is determined to be successful;

[0053] Otherwise, it is determined that the training result of the tightening torque attenuation control model is a training failure, and based on the simulation data of the tightening torque attenuation control scheme corresponding to the multiple sets of training sample sets whose simulation results are control failures, the tightening parameters corresponding to the multiple sets of parameter combination values ​​in the tightening torque attenuation control scheme corresponding to each set of training sample sets whose simulation results are control failures reach the control completion rate of the preset connection parameters;

[0054] According to the control completion rate of the tightening parameters corresponding to the multiple sets of parameter combination values ​​in the tightening torque attenuation control scheme corresponding to each set of training sample sets with all simulation results as control failure reaching the preset connection parameters, the average control completion rate of the multiple sets of training sample sets with all simulation results as control failure is obtained;

[0055] If the average control completion rate reaches a preset average control completion rate threshold, it is determined that the tightening torque attenuation control model does not need to be adjusted, and the training of the tightening torque attenuation control model is re-executed;

[0056] Otherwise, it is determined that the tightening torque attenuation control model needs to be adjusted, and the tightening torque attenuation control model is adjusted to obtain the adjusted tightening torque attenuation control model, and the training of the adjusted tightening torque attenuation control model is re-executed.

[0057] According to an embodiment of the present invention, selectively adjusting the tightening torque attenuation control scheme corresponding to the engine bolts according to the simulation results of the engine bolts, and selectively executing the adjusted tightening torque attenuation control scheme corresponding to the engine bolts includes:

[0058] If the simulation result of the engine bolt is executable, then executing the tightening torque attenuation control scheme corresponding to the engine bolt;

[0059] If the simulation result of the engine bolt is not executable, the tightening torque attenuation control scheme corresponding to the engine bolt is adjusted, and simulation execution is performed according to the adjusted tightening torque attenuation control scheme corresponding to the engine bolt to obtain the adjusted simulation result of the engine bolt:

[0060] If the adjusted simulation result of the engine bolt is executable, then executing the tightening torque attenuation control scheme corresponding to the adjusted engine bolt;

[0061] Otherwise, the adjusted tightening torque attenuation control scheme corresponding to the engine bolts is readjusted, and "simulation is performed according to the adjusted tightening torque attenuation control scheme corresponding to the engine bolts to obtain the adjusted simulation results of the engine bolts."

[0062] It can be seen from the above technical solution that the intumescent fire-retardant decorative coating provided by the present invention has the following beneficial effects:

[0063] The engine bolt tightening torque attenuation control method provided by the present invention substitutes the acquired engine bolt information and the working condition data of the bolt into the tightening torque attenuation control model, so that according to the engine bolt information and the working condition data of the bolt, the maximum tightening torque borne by the engine bolt is determined, and then according to the working condition data of the bolt, at least one group of parameter combination values ​​corresponding to the engine bolt is determined to obtain the tightening torque attenuation control scheme corresponding to the engine bolt, so as to realize the automatic generation of the tightening torque attenuation control scheme matching the engine bolt, thereby realizing targeted tightening torque attenuation control of the engine bolt, reducing the occurrence of the situation where the bolt connection torque decreases, so as to improve the torque stability of the engine bolt, ensure the reliability and stability of the engine bolt connection, thereby prolonging the service life of the engine, and improving the assembly quality of the engine, avoiding the existing engine bolts generally using machines to uniformly assemble different bolts, which makes it impossible to ensure that the bolts in the uniformly assembled engine are all in a tightened state, so it is necessary to manually perform a secondary inspection on the untightened bolts, and manual inspection is very prone to inspection errors and omissions, resulting in unstable bolt connection quality and even engine failure.

[0064] The present invention also randomly matches the information of each group of bolts with the working condition data of multiple groups of bolts in model training to obtain multiple groups of training sample sets, thereby achieving randomness of training and improving the intelligent training ability of the model. Then, according to the training sample sets, the maximum tightening torque borne by the bolts corresponding to each group of training sample sets and at least one group of parameter combination values ​​corresponding to each group of training sample sets are determined, thereby obtaining the tightening torque attenuation control scheme corresponding to each group of training sample sets, thereby achieving automatic generation of the tightening torque attenuation control scheme corresponding to each group of training sample sets. Then, combined with the simulation of each group of training sample sets and the tightening torque attenuation control scheme corresponding to each group of training sample sets, the simulation results of each group of tightening torque attenuation control scheme are obtained, thereby achieving simulation inspection of multiple groups of tightening torque attenuation control schemes, thereby determining the training results of the tightening torque attenuation control model, thereby achieving self-inspection of the training results of the tightening torque attenuation control model, thereby improving the intelligence of the tightening torque attenuation control model. BRIEF DESCRIPTION OF THE DRAWINGS

[0065] The above and other features, advantages and aspects of the embodiments of the present invention will become more apparent with reference to the following detailed description in conjunction with the accompanying drawings. The accompanying drawings are provided for a better understanding of the present invention and do not constitute a limitation of the present invention. In the accompanying drawings, the same or similar reference numerals represent the same or similar elements, wherein:

[0066] Figure 1 A flow chart showing a method for controlling engine bolt tightening torque attenuation according to an embodiment of the present invention is shown;

[0067] Figure 2 A flow chart of training a tightening torque attenuation control model of an engine bolt tightening torque attenuation control method according to an embodiment of the present invention is shown. DETAILED DESCRIPTION

[0068] Some embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0069] In the description of the present invention, "module" and "processor" may include hardware, software or a combination of the two. A module may include hardware circuits, various suitable sensors, communication ports, and memories, and may also include software parts, such as program codes, or a combination of software and hardware. The processor may be a central processing unit, a microprocessor, an image processor, a digital signal processor, or any other suitable processor. The processor has data and / or signal processing functions. The processor may be implemented in software, hardware, or a combination of the two. Non-temporary computer-readable storage media include any suitable medium that can store program codes, such as a magnetic disk, a hard disk, an optical disk, a flash memory, a read-only memory, a random access memory, and the like. The term "A and / or B" means all possible combinations of A and B, such as only A, only B, or A and B. The term "at least one A or B" or "at least one of A and B" has a similar meaning to "A and / or B", and may include only A, only B, or A and B. The singular terms "one" and "the" may also include plural forms.

[0070] Figure 1 FIG. 4 is a flow chart showing a method for controlling engine bolt tightening torque attenuation according to an embodiment of the present invention. Figure 1 As shown, the engine bolt tightening torque attenuation control method in the embodiment of the present invention mainly includes the following steps S101 to S104.

[0071] Step S101: acquiring information of engine bolts and working condition data of the bolts;

[0072] Specifically, the information of the engine bolts includes the model, service life and material type of the engine bolts, and the working condition data of the bolts includes the current connection parameters of the bolts.

[0073] Step S102: Substituting the information of the engine bolt and the working condition data of the bolt into the tightening torque attenuation control model, so that according to the information of the engine bolt and the working condition data of the bolt, the maximum tightening torque borne by the engine bolt is determined, and then according to the working condition data of the bolt, at least one group of parameter combination values ​​corresponding to the engine bolt is determined to obtain a tightening torque attenuation control scheme corresponding to the engine bolt, wherein the tightening torque attenuation control scheme includes the maximum tightening torque borne by the engine bolt and at least one group of parameter combination values ​​corresponding to the engine bolt;

[0074] Furthermore, if Figure 2 As shown, before substituting the information of the engine bolts and the working condition data of the bolts into the tightening torque attenuation control model, the method further trains the tightening torque attenuation control model through the following steps:

[0075] According to the historical bolt data comparison library, multiple sets of training sample sets are obtained, wherein the training sample sets include information of a set of bolts and working condition data corresponding to the bolts;

[0076] According to each group of training sample sets, the maximum tightening torque borne by the bolt corresponding to each group of training sample sets is determined;

[0077] Determine at least one group of parameter combination values ​​corresponding to each group of training sample sets according to the working condition data corresponding to the bolts in each group of training sample sets;

[0078] According to the maximum tightening torque borne by the bolt corresponding to each group of training sample sets and at least one group of parameter combination values ​​corresponding to each group of training sample sets, a tightening torque attenuation control scheme corresponding to each group of training sample sets is obtained;

[0079] According to each group of training sample sets and the tightening torque attenuation control scheme corresponding to each group of training sample sets, a simulation result of the tightening torque attenuation control scheme corresponding to each group of training sample sets is obtained, wherein the simulation result includes control success or control failure;

[0080] The training result of the tightening torque attenuation control model is determined according to the simulation result of the tightening torque attenuation control scheme corresponding to each group of training sample sets.

[0081] Specifically, the historical bolt data comparison library stores different engine models and models and materials of multiple sets of bolts that have been used historically corresponding to each engine model.

[0082] Specifically, obtaining multiple sets of training sample sets according to the historical bolt data comparison library includes:

[0083] Obtain the models and materials of multiple groups of bolts according to the historical bolt data comparison library;

[0084] The service life of each bolt is randomly set, and the working condition data of multiple groups of bolts are randomly set;

[0085] The information of each set of bolts is provided by using the model and material of the multiple sets of bolts and the service life of each bolt;

[0086] The information of each group of bolts is randomly assigned to the working condition data of multiple groups of bolts, so that the information of each group of bolts corresponds to the working condition data of one group of bolts;

[0087] A set of bolt information and bolt working condition data matching the bolt information are used as a set of training sample sets to obtain multiple sets of training sample sets.

[0088] Specifically, the historical bolt data comparison library includes bolts of different models and the material corresponding to each bolt.

[0089] Specifically, the tightening torque attenuation control model stores a preset material bearing torque comparison table and a preset weight coefficient database, and the maximum tightening torque borne by the bolt corresponding to each training sample set is determined according to each training sample set, including:

[0090] According to the information of the bolts in each group of training sample sets and the preset material bearing moment comparison table, the maximum bearing moment and the minimum bearing moment corresponding to the material type of the bolts in the information of the bolts in each group of training sample sets are determined;

[0091] Determine the life weight value corresponding to the service life of the bolt in the information of the bolts in each group of training sample sets according to the information of the bolts in each group of training sample sets and a preset weight coefficient database;

[0092] Determine the working condition coefficient value corresponding to the working condition data of the bolts in each set of training sample sets according to the working condition data of the bolts in the information of the bolts in each set of training sample sets and a preset weight coefficient database;

[0093] According to the maximum torque corresponding to the material type of the bolt in the information of each training sample set, the life weight value corresponding to the service life of the bolt in the information of each training sample set, and the working condition coefficient value corresponding to the working condition data of the bolt in each training sample set, the maximum tightening torque borne by the bolt corresponding to each training sample set is obtained.

[0094] Specifically, the preset material bearing torque comparison table includes multiple bolt models of different material types and the maximum bearing torque and the minimum bearing torque corresponding to the different bolt models of each material type, and each screw model of the same material type is different.

[0095] Specifically, the preset weight coefficient database includes different usage times of multiple bolt models of different material types, life weight values ​​corresponding to each usage time corresponding to each bolt model, different connection parameters of multiple bolt models of different material types, and operating condition coefficient values ​​corresponding to each connection parameter corresponding to each bolt model.

[0096] Specifically, according to the maximum torque corresponding to the material type of the bolt in the information of each set of training sample sets, the life weight value corresponding to the service life of the bolt in the information of each set of training sample sets, and the working condition coefficient value corresponding to the working condition data of the bolt in each set of training sample sets, the maximum tightening torque borne by the bolt corresponding to each set of training sample sets is obtained, which includes:

[0097] Substitute the maximum torque value corresponding to the material type of the bolt in the information of each set of training samples, the life weight value corresponding to the service life of the bolt in the information of each set of training samples, and the working condition coefficient value corresponding to the working condition data of the bolt in each set of training samples into the following formula to obtain the maximum tightening torque borne by the bolt corresponding to each set of training samples:

[0098] The maximum tightening torque borne by the bolt corresponding to the training sample set = the maximum borne torque corresponding to the material type of the bolt in the information of the bolt in the training sample set * the life weight value corresponding to the service life of the bolt in the information of the bolt in the training sample set * the working condition coefficient value corresponding to the working condition data of the bolt in the training sample set + the minimum borne torque corresponding to the material type of the bolt in the information of the bolt in the training sample set.

[0099] Specifically, a preset attenuation weight comparison table is stored in the tightening torque attenuation control model, and the parameter values ​​corresponding to the bolts in the training sample set in each connection range are obtained according to the training sample set and each connection range corresponding to the bolts in the training sample set, respectively, including:

[0100] Determining the basic value of the tightening parameter corresponding to the material type of the bolt according to the information of the bolt in the training sample set;

[0101] Determine the working condition coefficient value corresponding to the working condition data of the bolts in the training sample set according to the working condition data corresponding to the bolts in the training sample set and a preset weight coefficient database;

[0102] Determine the first-level attenuation weight value corresponding to each group of connection ranges corresponding to the bolts in the training sample set according to each group of connection ranges corresponding to the bolts in the training sample set and a preset attenuation weight comparison table;

[0103] According to the basic value of the tightening parameter corresponding to the material type of the bolt, the operating condition coefficient value corresponding to the operating condition data of the bolt in the training sample set, and the first-level attenuation weight value corresponding to each group of connection ranges corresponding to the bolts in the training sample set, the parameter values ​​corresponding to the bolts in the training sample set in each group of connection ranges are obtained respectively.

[0104] Specifically, the preset attenuation weight comparison table includes multiple groups of primary connection ranges of bolts of different models and primary attenuation weight values ​​corresponding to each group of primary connection ranges of bolts of different models.

[0105] Specifically, the parameter values ​​corresponding to the bolts in each connection range of the training sample set are obtained by the following formula:

[0106] The parameter value corresponding to the bolts in the training sample set within any group of connection ranges = the basic value of the tightening parameter corresponding to the material type of the bolt * the first-level attenuation weight value corresponding to the bolt within the connection range * the working condition coefficient value corresponding to the working condition data of the bolts in the training sample set.

[0107] Specifically, the parameter values ​​corresponding to the bolts in each group of secondary connection ranges of the training sample set are obtained according to the training sample set and the three groups of secondary connection ranges after the splitting, including:

[0108] Determining the basic value of the tightening parameter corresponding to the material type of the bolt according to the information of the bolt in the training sample set;

[0109] Determine the working condition coefficient value corresponding to the working condition data of the bolts in the training sample set according to the working condition data corresponding to the bolts in the training sample set and a preset weight coefficient database;

[0110] Determine the first-level attenuation weight value corresponding to the connection range corresponding to the bolts in the training sample set according to the connection range corresponding to the bolts in the training sample set and a preset attenuation weight comparison table;

[0111] According to the split ratios of the three groups of secondary connection ranges corresponding to the split training sample set and the primary attenuation weight values ​​corresponding to the connection ranges corresponding to the bolts in the training sample set, the secondary attenuation weight values ​​corresponding to the bolts in the training sample set in each group of secondary connection ranges are obtained respectively;

[0112] According to the basic value of the tightening parameter corresponding to the material type of the bolt, the operating condition coefficient value corresponding to the operating condition data of the bolt in the training sample set, and the secondary attenuation weight value corresponding to the bolts in the training sample set within each group of secondary connection ranges, the parameter values ​​corresponding to the bolts in the training sample set within each group of secondary connection ranges are obtained respectively.

[0113] Specifically, the parameter values ​​corresponding to the bolts in the training sample set within each group of secondary connections are obtained by the following formula:

[0114] The parameter value corresponding to the bolts in the training sample set within any set of secondary connection ranges = the basic value of the tightening parameter corresponding to the material type of the bolt * the secondary attenuation weight value corresponding to the bolt within the secondary connection range * the operating condition coefficient value corresponding to the operating condition data of the bolts in the training sample set.

[0115] Specifically, according to each group of training sample sets and the tightening torque attenuation control scheme corresponding to each group of training sample sets, the simulation results of the tightening torque attenuation control scheme corresponding to each group of training sample sets are obtained, including:

[0116] According to each group of training sample sets, a simulation model corresponding to each group of training sample sets is constructed;

[0117] Substituting the tightening torque attenuation control scheme corresponding to each group of training sample sets into the simulation model corresponding to each group of training sample sets, to obtain simulation data of the tightening torque attenuation control scheme corresponding to each group of training sample sets;

[0118] According to the simulation data of the tightening torque attenuation control scheme corresponding to each group of training sample sets, the simulation results of the tightening torque attenuation control scheme corresponding to each group of training sample sets are obtained.

[0119] Specifically, the simulation results of the tightening torque attenuation control scheme corresponding to each group of training sample sets obtained according to the simulation data of the tightening torque attenuation control scheme corresponding to each group of training sample sets include:

[0120] According to the simulation data of the tightening torque attenuation control scheme corresponding to each group of training sample sets, it is judged whether the tightening parameters corresponding to each group of parameter combination values ​​in the tightening torque attenuation control scheme corresponding to each group of training sample sets reach the preset connection parameters:

[0121] If the tightening parameters corresponding to each group of parameter combination values ​​in the tightening torque attenuation control scheme corresponding to the training sample set reach the preset connection parameters, the simulation result of the tightening torque attenuation control scheme corresponding to the training sample set is judged to be control success; otherwise, the simulation result of the tightening torque attenuation control scheme corresponding to the training sample set is judged to be control failure.

[0122] Specifically, determining the training result of the tightening torque attenuation control model according to the simulation result of the tightening torque attenuation control scheme corresponding to each group of training sample sets includes:

[0123] According to the simulation results of the tightening torque attenuation control scheme corresponding to each group of training sample sets, the success rate of the tightening torque attenuation control scheme corresponding to all training sample sets is obtained;

[0124] If the success rate of the tightening torque attenuation control schemes corresponding to all training sample sets reaches a preset success rate threshold, the training result of the tightening torque attenuation control model is determined to be successful;

[0125] Otherwise, it is determined that the training result of the tightening torque attenuation control model is a training failure, and based on the simulation data of the tightening torque attenuation control scheme corresponding to the multiple sets of training sample sets whose simulation results are control failures, the tightening parameters corresponding to the multiple sets of parameter combination values ​​in the tightening torque attenuation control scheme corresponding to each set of training sample sets whose simulation results are control failures reach the control completion rate of the preset connection parameters;

[0126] According to the control completion rate of the tightening parameters corresponding to the multiple sets of parameter combination values ​​in the tightening torque attenuation control scheme corresponding to each set of training sample sets with all simulation results as control failure reaching the preset connection parameters, the average control completion rate of the multiple sets of training sample sets with all simulation results as control failure is obtained;

[0127] If the average control completion rate reaches a preset average control completion rate threshold, it is determined that the tightening torque attenuation control model does not need to be adjusted, and the training of the tightening torque attenuation control model is re-executed;

[0128] Otherwise, it is determined that the tightening torque attenuation control model needs to be adjusted, and the tightening torque attenuation control model is adjusted to obtain the adjusted tightening torque attenuation control model, and the training of the adjusted tightening torque attenuation control model is re-executed.

[0129] Specifically, the preset control completion rate threshold can be 80% or 70%, and the preset success rate threshold can be 90% or 95%. The settings of the preset control completion rate threshold and the preset success rate threshold here are only exemplary. In actual tests, those skilled in the art can set them according to actual needs, which will not be repeated here.

[0130] Specifically, the adjustment method for adjusting the tightening torque attenuation control model can be to adopt a deep learning network in the prior art, or it can be an artificial intelligence adjustment model. The choice of adjustment method here is only an exemplary explanation. In actual testing, technical personnel in this field can make a choice according to actual needs, as long as the tightening torque attenuation control model can be adjusted, and it will not be repeated here.

[0131] In the above embodiment, in the model training, by randomly matching the information of each group of bolts with the working condition data of multiple groups of bolts to obtain multiple groups of training sample sets, the randomness of the training is achieved, thereby improving the intelligent training ability of the model, and then by determining the maximum tightening torque borne by the bolts corresponding to each group of training sample sets and at least one group of parameter combination values ​​corresponding to each group of training sample sets according to the training sample sets, and then obtaining the tightening torque attenuation control scheme corresponding to each group of training sample sets, and realizing the automatic generation of the tightening torque attenuation control scheme corresponding to each group of training sample sets, and then combining the simulation of each group of training sample sets and the tightening torque attenuation control scheme corresponding to each group of training sample sets to obtain the simulation results of each group of tightening torque attenuation control schemes, and realizing the simulation test of multiple groups of tightening torque attenuation control schemes, and then determining the training results of the tightening torque attenuation control model to realize self-checking of the training results of the tightening torque attenuation control model, thereby improving the intelligence of the tightening torque attenuation control model.

[0132] Specifically, the information of the engine bolt and the working condition data of the bolt are substituted into the tightening torque attenuation control model, so that the maximum tightening torque borne by the engine bolt is determined according to the information of the engine bolt and the working condition data of the bolt, and then at least one group of parameter combination values ​​corresponding to the engine bolt is determined according to the working condition data of the bolt, so as to obtain the tightening torque attenuation control scheme corresponding to the engine bolt, including:

[0133] According to the information of the engine bolt and a preset material bearing moment comparison table, determine the maximum bearing moment and the minimum bearing moment corresponding to the material type of the bolt in the information of the engine bolt;

[0134] Determining a life weight value corresponding to the service life of the bolt in the information of the engine bolt according to the information of the engine bolt and a preset weight coefficient database;

[0135] Determining a working condition coefficient value corresponding to the working condition data of the bolt corresponding to the engine bolt according to the working condition data of the bolt corresponding to the engine bolt and a preset weight coefficient database;

[0136] The maximum value of the tightening torque borne by the engine bolt is obtained according to the maximum value and the minimum value of the borne torque corresponding to the material type of the bolt in the information of the engine bolt, the life weight value corresponding to the service life of the bolt in the information of the engine bolt, and the working condition coefficient value corresponding to the working condition data of the bolt corresponding to the engine bolt;

[0137] and,

[0138] Determining, according to the working condition data of the bolts corresponding to the engine bolts, a connection range of at least one group corresponding to the engine bolts;

[0139] If the number of at least one group of connection ranges corresponding to the engine bolt exceeds 1, then according to the information of the engine bolt, the working condition data of the bolt corresponding to the engine bolt and the at least one group of connection ranges corresponding to the engine bolt, the parameter values ​​corresponding to each group of connection ranges of the engine bolt are obtained respectively, and the parameter values ​​corresponding to each group of connection ranges of the engine bolt obtained respectively are used as the at least one group of parameter combination values ​​corresponding to the engine bolt;

[0140] If the number of at least one group of connection ranges corresponding to the engine bolt is equal to 1, the connection range corresponding to the engine bolt is split to obtain three groups of secondary connection ranges corresponding to the engine bolt;

[0141] and obtaining the parameter values ​​corresponding to the engine bolt in each group of the secondary connection ranges according to the information of the engine bolt, the working condition data of the bolt corresponding to the engine bolt, and the three groups of secondary connection ranges corresponding to the engine bolt after being split, and using the parameter values ​​corresponding to the engine bolt in each group of the secondary connection ranges obtained respectively as at least one group of parameter combination values ​​corresponding to the engine bolt;

[0142] Obtaining a primary tightening torque attenuation control scheme corresponding to the engine bolt according to a maximum tightening torque borne by the engine bolt and at least one group of parameter combination values ​​corresponding to the engine bolt;

[0143] According to the information of the engine bolts, the working condition data of the bolts corresponding to the engine bolts and the primary tightening torque attenuation control scheme corresponding to the engine bolts, the simulation results corresponding to the primary tightening torque attenuation control scheme are obtained:

[0144] If the simulation result is that the control is successful, the primary tightening torque attenuation control scheme is output as the tightening torque attenuation control scheme corresponding to the engine bolt;

[0145] Otherwise, adjust the splitting ratio of the connection range corresponding to the engine bolt, and re-acquire at least one group of parameter combination values ​​corresponding to the engine bolt based on the three groups of secondary connection ranges after the re-split, and obtain a new primary tightening torque attenuation control scheme corresponding to the engine bolt, and re-execute "according to the information of the engine bolt, the working condition data of the bolt corresponding to the engine bolt, and the primary tightening torque attenuation control scheme corresponding to the engine bolt, obtain the simulation result corresponding to the primary tightening torque attenuation control scheme" and subsequent steps.

[0146] Step S103: performing simulation according to the tightening torque attenuation control scheme corresponding to the engine bolt to obtain a simulation result of the engine bolt, wherein the simulation result includes whether it can be executed or not;

[0147] Specifically, the simulation is performed according to the tightening torque attenuation control scheme corresponding to the engine bolt to obtain the simulation result of the engine bolt, which includes:

[0148] Performing simulation according to the tightening torque attenuation control scheme corresponding to the engine bolt to obtain simulation data of the engine bolt;

[0149] According to the simulation data of the engine bolts, it is determined whether the engine bolts are damaged and whether the tightening torque attenuation control scheme is successfully executed:

[0150] If the engine bolts are not damaged and the tightening torque attenuation control scheme is successfully executed, the simulation result of the engine bolts is determined to be executable; otherwise, the simulation result of the engine bolts is determined to be unexecutable.

[0151] Specifically, the simulation technology for simulating and executing the tightening torque attenuation control scheme corresponding to the engine bolts can adopt the simulation technology in the prior art. The selection of simulation technology here is only an exemplary description. In actual tests, technical personnel in this field can choose according to actual needs. As long as it is possible to implement the simulation and execution through the tightening torque attenuation control scheme corresponding to the engine bolts to obtain the simulation data of the engine bolts, it will not be repeated here.

[0152] Step S104: selectively adjusting the tightening torque attenuation control scheme corresponding to the engine bolts according to the simulation results of the engine bolts, and selectively executing the adjusted tightening torque attenuation control scheme corresponding to the engine bolts.

[0153] Specifically, selectively adjusting the tightening torque attenuation control scheme corresponding to the engine bolts according to the simulation results of the engine bolts, and selectively executing the adjusted tightening torque attenuation control scheme corresponding to the engine bolts includes:

[0154] If the simulation result of the engine bolt is executable, then executing the tightening torque attenuation control scheme corresponding to the engine bolt;

[0155] If the simulation result of the engine bolt is not executable, the tightening torque attenuation control scheme corresponding to the engine bolt is adjusted, and simulation execution is performed according to the adjusted tightening torque attenuation control scheme corresponding to the engine bolt to obtain the adjusted simulation result of the engine bolt:

[0156] If the adjusted simulation result of the engine bolt is executable, then executing the tightening torque attenuation control scheme corresponding to the adjusted engine bolt;

[0157] Otherwise, the adjusted tightening torque attenuation control scheme corresponding to the engine bolts is readjusted, and "simulation is performed according to the adjusted tightening torque attenuation control scheme corresponding to the engine bolts to obtain the adjusted simulation results of the engine bolts."

[0158] Specifically, the adjustment method for adjusting the tightening torque attenuation control scheme corresponding to the engine bolt or the adjustment method for re-adjusting the adjusted tightening torque attenuation control scheme corresponding to the engine bolt may be to adopt a deep learning network or an artificial intelligence adjustment model in the prior art to directly adjust the tightening torque attenuation control scheme or the adjusted tightening torque attenuation control scheme, or it may be to feed back the simulation data and the simulation results to the tightening torque attenuation control model, adjust the tightening torque attenuation control model, and then substitute the information of the engine bolt and the working condition data of the bolt into the adjusted tightening torque attenuation control model to obtain a new tightening torque attenuation control scheme. The selection of the adjustment method for the tightening torque attenuation control scheme or the adjusted tightening torque attenuation control scheme here is only an exemplary description. In actual testing, those skilled in the art can make a selection according to actual needs, as long as the tightening torque attenuation control scheme or the adjusted tightening torque attenuation control scheme can be adjusted, and it will not be repeated here.

[0159] According to the embodiments of the present disclosure, the following technical effects are achieved: by substituting the acquired information of the engine bolt and the working condition data of the bolt into the tightening torque attenuation control model, the maximum tightening torque borne by the engine bolt is determined according to the information of the engine bolt and the working condition data of the bolt, and then according to the working condition data of the bolt, at least one group of parameter combination values ​​corresponding to the engine bolt is determined to obtain the tightening torque attenuation control scheme corresponding to the engine bolt, thereby realizing the automatic generation of the tightening torque attenuation control scheme matching the engine bolt, thereby realizing targeted tightening torque attenuation control of the engine bolt, reducing the occurrence of the situation where the bolt connection torque decreases, so as to improve the torque stability of the engine bolt, ensure the reliability and stability of the engine bolt connection, thereby extending the service life of the engine, and improving the assembly quality of the engine, avoiding the existing engine bolts generally using machines to uniformly assemble different bolts, which makes it impossible to ensure that the bolts in the uniformly assembled engine are all in a tightened state, and it is necessary to manually perform a secondary inspection on the untightened bolts, and manual inspection is very prone to inspection errors and omissions, resulting in unstable bolt connection quality and even engine failure.

[0160] It should be pointed out that although the various steps in the above embodiments are described in a specific order, those skilled in the art can understand that in order to achieve the effects of the present invention, different steps do not have to be performed in such an order. They can be performed simultaneously (in parallel) or in other orders. These changes are within the scope of protection of the present invention.

[0161] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

[0162] The specific embodiments described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A method for controlling engine bolt tightening torque attenuation, characterized in that: The method comprises the following steps: Obtain information about engine bolts and working condition data of the bolts; Substituting the information of the engine bolt and the working condition data of the bolt into the tightening torque attenuation control model, so that according to the information of the engine bolt and the working condition data of the bolt, the maximum tightening torque borne by the engine bolt is determined, and then according to the working condition data of the bolt, at least one group of parameter combination values ​​corresponding to the engine bolt is determined to obtain a tightening torque attenuation control scheme corresponding to the engine bolt, wherein the tightening torque attenuation control scheme includes the maximum tightening torque borne by the engine bolt and at least one group of parameter combination values ​​corresponding to the engine bolt; Performing simulation according to the tightening torque attenuation control scheme corresponding to the engine bolt to obtain a simulation result of the engine bolt, wherein the simulation result includes whether it can be executed or not; According to the simulation results of the engine bolts, the tightening torque attenuation control scheme corresponding to the engine bolts is selectively adjusted, and the adjusted tightening torque attenuation control scheme corresponding to the engine bolts is selectively executed.

2. The engine bolt tightening torque attenuation control method according to claim 1, characterized in that: The information of the engine bolts includes the model, usage time and material type of the engine bolts, and the working condition data of the bolts includes the current connection parameters of the bolts; Before substituting the information of the engine bolts and the working condition data of the bolts into the tightening torque attenuation control model, the method further trains the tightening torque attenuation control model through the following steps: According to the historical bolt data comparison library, multiple sets of training sample sets are obtained, wherein the training sample sets include information of a set of bolts and working condition data corresponding to the bolts; According to each group of training sample sets, the maximum tightening torque borne by the bolt corresponding to each group of training sample sets is determined; Determine at least one group of parameter combination values ​​corresponding to each group of training sample sets according to the working condition data corresponding to the bolts in each group of training sample sets; According to the maximum tightening torque borne by the bolt corresponding to each group of training sample sets and at least one group of parameter combination values ​​corresponding to each group of training sample sets, a tightening torque attenuation control scheme corresponding to each group of training sample sets is obtained; According to each group of training sample sets and the tightening torque attenuation control scheme corresponding to each group of training sample sets, a simulation result of the tightening torque attenuation control scheme corresponding to each group of training sample sets is obtained, wherein the simulation result includes control success or control failure; The training result of the tightening torque attenuation control model is determined according to the simulation result of the tightening torque attenuation control scheme corresponding to each group of training sample sets.

3. The engine bolt tightening torque attenuation control method according to claim 2, characterized in that: The obtaining of multiple sets of training sample sets according to the historical bolt data comparison library includes: Obtain the models and materials of multiple groups of bolts according to the historical bolt data comparison library; The service life of each bolt is randomly set, and the working condition data of multiple groups of bolts are randomly set; The information of each set of bolts is provided by using the model and material of the multiple sets of bolts and the service life of each bolt; The information of each group of bolts is randomly assigned to the working condition data of multiple groups of bolts, so that the information of each group of bolts corresponds to the working condition data of one group of bolts; A set of bolt information and bolt working condition data matching the bolt information are used as a set of training sample sets to obtain multiple sets of training sample sets.

4. The engine bolt tightening torque attenuation control method according to claim 3, characterized in that: The tightening torque attenuation control model stores a preset material bearing torque comparison table and a preset weight coefficient database. The method of determining the maximum tightening torque borne by the bolt corresponding to each training sample set according to each training sample set includes: According to the information of the bolts in each group of training sample sets and the preset material bearing moment comparison table, the maximum bearing moment and the minimum bearing moment corresponding to the material type of the bolts in the information of the bolts in each group of training sample sets are determined; Determine the life weight value corresponding to the service life of the bolt in the information of the bolts in each group of training sample sets according to the information of the bolts in each group of training sample sets and a preset weight coefficient database; Determine the working condition coefficient value corresponding to the working condition data of the bolts in each set of training sample sets according to the working condition data of the bolts in the information of the bolts in each set of training sample sets and a preset weight coefficient database; According to the maximum torque corresponding to the material type of the bolt in the information of each training sample set, the life weight value corresponding to the service life of the bolt in the information of each training sample set, and the working condition coefficient value corresponding to the working condition data of the bolt in each training sample set, the maximum tightening torque borne by the bolt corresponding to each training sample set is obtained.

5. The engine bolt tightening torque attenuation control method according to claim 4, characterized in that: Determining at least one group of parameter combination values ​​corresponding to each training sample set according to the working condition data corresponding to the bolts in each training sample set includes: Determine at least one connection range corresponding to the bolts in each training sample set according to the working condition data corresponding to the bolts in each training sample set; If the number of at least one group of connection ranges corresponding to the bolts in the training sample set exceeds 1, then according to the training sample set and each group of connection ranges corresponding to the bolts in the training sample set, the parameter values ​​corresponding to the bolts in the training sample set in each group of connection ranges are obtained respectively, and the parameter values ​​corresponding to the bolts in the training sample set in each group of connection ranges obtained respectively are used as the parameter combination values ​​corresponding to the bolts in the training sample set; If the number of connection ranges of at least one group corresponding to the bolts in the training sample set is equal to 1, the connection range of one group corresponding to the bolts in the training sample set is split to obtain three groups of secondary connection ranges after the split; According to the training sample set and the three groups of secondary connection ranges after splitting, the parameter values ​​corresponding to the bolts of the training sample set in each group of secondary connection ranges are obtained respectively, and the parameter values ​​corresponding to the bolts of the training sample set in each group of secondary connection ranges are used as the parameter combination values ​​corresponding to the bolts of the training sample set.

6. The engine bolt tightening torque attenuation control method according to claim 5, characterized in that: The tightening torque attenuation control model stores a preset attenuation weight comparison table. The parameter values ​​corresponding to the bolts in the training sample set in each connection range are obtained according to the training sample set and each connection range corresponding to the bolts in the training sample set, respectively, including: Determining the basic value of the tightening parameter corresponding to the material type of the bolt according to the information of the bolt in the training sample set; Determine the working condition coefficient value corresponding to the working condition data of the bolts in the training sample set according to the working condition data corresponding to the bolts in the training sample set and a preset weight coefficient database; Determine the first-level attenuation weight value corresponding to each group of connection ranges corresponding to the bolts in the training sample set according to each group of connection ranges corresponding to the bolts in the training sample set and a preset attenuation weight comparison table; According to the basic value of the tightening parameter corresponding to the material type of the bolt, the operating condition coefficient value corresponding to the operating condition data of the bolt in the training sample set, and the first-level attenuation weight value corresponding to each group of connection ranges corresponding to the bolts in the training sample set, the parameter values ​​corresponding to the bolts in the training sample set in each group of connection ranges are obtained respectively.

7. The engine bolt tightening torque attenuation control method according to claim 6, characterized in that: The parameter values ​​corresponding to the bolts in each connection range of the training sample set are obtained according to the training sample set and the three groups of secondary connection ranges after the splitting, including: Determining the basic value of the tightening parameter corresponding to the material type of the bolt according to the information of the bolt in the training sample set; Determine the working condition coefficient value corresponding to the working condition data of the bolts in the training sample set according to the working condition data corresponding to the bolts in the training sample set and a preset weight coefficient database; Determine the first-level attenuation weight value corresponding to the connection range corresponding to the bolts in the training sample set according to the connection range corresponding to the bolts in the training sample set and a preset attenuation weight comparison table; According to the split ratios of the three groups of secondary connection ranges corresponding to the split training sample set and the primary attenuation weight values ​​corresponding to the connection ranges corresponding to the bolts in the training sample set, the secondary attenuation weight values ​​corresponding to the bolts in the training sample set in each group of secondary connection ranges are obtained respectively; According to the basic value of the tightening parameter corresponding to the material type of the bolt, the operating condition coefficient value corresponding to the operating condition data of the bolt in the training sample set, and the secondary attenuation weight value corresponding to the bolts in the training sample set within each group of secondary connection ranges, the parameter values ​​corresponding to the bolts in the training sample set within each group of secondary connection ranges are obtained respectively.

8. The engine bolt tightening torque attenuation control method according to claim 7, characterized in that: The simulation results of the tightening torque attenuation control scheme corresponding to each training sample set are obtained according to each training sample set and the tightening torque attenuation control scheme corresponding to each training sample set, including: According to each group of training sample sets, a simulation model corresponding to each group of training sample sets is constructed; Substituting the tightening torque attenuation control scheme corresponding to each group of training sample sets into the simulation model corresponding to each group of training sample sets, to obtain simulation data of the tightening torque attenuation control scheme corresponding to each group of training sample sets; According to the simulation data of the tightening torque attenuation control scheme corresponding to each group of training sample sets, the simulation results of the tightening torque attenuation control scheme corresponding to each group of training sample sets are obtained.

9. The engine bolt tightening torque attenuation control method according to claim 8, characterized in that: Determining the training result of the tightening torque attenuation control model according to the simulation result of the tightening torque attenuation control scheme corresponding to each group of training sample sets includes: According to the simulation results of the tightening torque attenuation control scheme corresponding to each group of training sample sets, the success rate of the tightening torque attenuation control scheme corresponding to all training sample sets is obtained; If the success rate of the tightening torque attenuation control schemes corresponding to all training sample sets reaches a preset success rate threshold, the training result of the tightening torque attenuation control model is determined to be successful; Otherwise, it is determined that the training result of the tightening torque attenuation control model is a training failure, and based on the simulation data of the tightening torque attenuation control scheme corresponding to the multiple sets of training sample sets whose simulation results are control failures, the tightening parameters corresponding to the multiple sets of parameter combination values ​​in the tightening torque attenuation control scheme corresponding to each set of training sample sets whose simulation results are control failures reach the control completion rate of the preset connection parameters; According to the control completion rate of the tightening parameters corresponding to the multiple sets of parameter combination values ​​in the tightening torque attenuation control scheme corresponding to each set of training sample sets with all simulation results as control failure reaching the preset connection parameters, the average control completion rate of the multiple sets of training sample sets with all simulation results as control failure is obtained; If the average control completion rate reaches a preset average control completion rate threshold, it is determined that the tightening torque attenuation control model does not need to be adjusted, and the training of the tightening torque attenuation control model is re-executed; Otherwise, it is determined that the tightening torque attenuation control model needs to be adjusted, and the tightening torque attenuation control model is adjusted to obtain the adjusted tightening torque attenuation control model, and the training of the adjusted tightening torque attenuation control model is re-executed.

10. The engine bolt tightening torque attenuation control method according to claim 9, characterized in that: The selectively adjusting the tightening torque attenuation control scheme corresponding to the engine bolt according to the simulation result of the engine bolt, and selectively executing the adjusted tightening torque attenuation control scheme corresponding to the engine bolt includes: If the simulation result of the engine bolt is executable, then executing the tightening torque attenuation control scheme corresponding to the engine bolt; If the simulation result of the engine bolt is not executable, the tightening torque attenuation control scheme corresponding to the engine bolt is adjusted, and simulation execution is performed according to the adjusted tightening torque attenuation control scheme corresponding to the engine bolt to obtain the adjusted simulation result of the engine bolt: If the adjusted simulation result of the engine bolt is executable, then executing the tightening torque attenuation control scheme corresponding to the adjusted engine bolt; Otherwise, the adjusted tightening torque attenuation control scheme corresponding to the engine bolt is readjusted, and "simulation is performed according to the adjusted tightening torque attenuation control scheme corresponding to the engine bolt to obtain the adjusted simulation result of the engine bolt".

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