Aircraft module multi-level screening method based on function highlighting and overlapping degree

Abstract

The invention discloses an aircraft module multi-level screening method based on function highlighting and overlapping degree, and belongs to the technical field of space flight and aviation. The method comprises the steps that N preset schemes are designed based on aircraft function requirements, each preset scheme comprises at least one module, each module comprises at least one function attribute, each module comprises at least one component, and each component comprises at least one function attribute; constructing a function matrix of the module based on the nonlinear coupling relation function; according to the function matrix, calculating function prominence degree values of the N preset schemes; a first scheme set is obtained based on a first preset threshold value and the function highlight degree values of the N preset schemes, and the first scheme set comprises M preset schemes; calculating a function overlapping degree value of M preset schemes in the first scheme set based on the function matrix; based on the function overlapping degree values of the M preset schemes, obtaining a target scheme; according to the method, the design cost and the function redundancy of the aircraft are reduced.

Description

Technical Field

[0001] This application belongs to the field of aerospace technology, and particularly relates to a multi-level screening method for aircraft modules based on prominent functions and overlap degree. Background Art

[0002] Today, with the increasingly diverse combat missions of aircraft, modular design, as the core means to improve equipment adaptability, the screening efficiency of its division plan has a decisive impact on multi-disciplinary collaborative optimization. Facing the complex and changeable combat requirements, the Pareto alternative solutions generated by traditional methods often have problems such as too large parameter dispersion and strong functional coupling, resulting in difficulty in forming a modular design solution with strong generality and excellent scalability.

[0003] The existing module division optimization methods mainly rely on intelligent optimization algorithms, but still face many technical bottlenecks. First, the single-task-oriented optimization mode only takes limited evaluation indicators as the objective function and cannot effectively analyze the functional attribute coupling relationship in multi-task scenarios. Second, the static modeling of component structure constraints is difficult to adapt to the changes in dynamic task requirements, and the parameter system needs to be reconstructed every time the plan is screened, significantly increasing the design iteration cost. In addition, the modular design method based on a serial process lacks a multi-dimensional attribute collaborative optimization mechanism, resulting in difficulty in effectively converging cross-disciplinary design parameters.

[0004] In related technologies, in the face of the strike mission with multiple target requirements, the design scheme of the aircraft has problems such as low efficiency, functional redundancy, and high design cost, and cannot provide quantitative evaluation and decision support for the modular design of complex aircraft. Summary of the Invention

[0005] This application aims to solve at least one of the technical problems existing in the prior art. For this purpose, this application proposes a multi-level screening method for aircraft modules based on prominent functions and overlap degree, reducing the aircraft design cost and functional redundancy.

[0006] In a first aspect, this application provides a multi-level screening method for aircraft modules based on prominent functions and overlap degree, the method comprising:

[0007] Design N preset schemes based on the functional requirements of the aircraft, the preset scheme includes at least one module, each module includes at least one functional attribute, each module includes at least one component, and each component includes at least one functional attribute;

[0008] Construct a functional matrix of the module based on a non-linear coupling relationship function;

[0009] Construct an index of functional prominence based on the functional attributes of the component, the functional prominence being used to evaluate the functional prominent attributes of the preset scheme;

[0010] Calculate the function prominence degree values of the N preset solutions according to the function matrix;

[0011] Based on the first preset threshold and the function prominence degree values of the N preset solutions, obtain a first solution set, where the first solution set includes M of the preset solutions;

[0012] Based on the functional attributes of the module, construct a function overlap degree index, where the function overlap degree is used to evaluate the function overlap attribute of the preset solution;

[0013] Calculate the function overlap degree values of the M preset solutions in the first solution set according to the function matrix;

[0014] Based on the function overlap degree values of the M preset solutions, obtain a target solution;

[0015] Wherein, N and M are positive integers greater than 1, and N is greater than M.

[0016] According to an embodiment of the present application, constructing the function matrix of the module based on the non - linear coupling relationship function includes:

[0017] Establish the non - linear coupling relationship function of the components according to the functional attributes of different components;

[0018] Based on the non - linear coupling relationship function, construct the function matrix of the module, where the function matrix includes all components within the module, and the calculation formula is as follows:

[0019]

[0020] Wherein, is the nth functional attribute of the jth module, is the element in the nth row and the ith column in the function matrix, e j is the number of components in module j, ω 1 , ω 2 , …, ω n are the weights of the linear weighting of each functional attribute, g 1 , g 2 , …, g n is the non - linear coupling relationship function, is the function matrix of the module, and m is the number of components.

[0021] According to an embodiment of the present application, constructing the function prominence degree index based on the functional attributes of the components includes:

[0022] Obtain the non - linear coupling relationship functions of all components within the module;

[0023] Based on the non - linear coupling relationship function and weight factors of the components, obtain the functional attribute function of the module;

[0024] Based on the functional attribute function of the module, construct an index of the degree of functional prominence. The calculation formula of the degree of functional prominence is as follows:

[0025]

[0026] where Q is the number of modules in the preset scheme, is the i - th functional attribute of the j - th module, is the mean value of the i - th functional attribute of all preset schemes, P t is the degree of functional prominence of the preset scheme, and k is the number of functional attributes.

[0027] According to an embodiment of the present application, obtaining a first set of schemes based on the first preset threshold and the degree - of - functional - prominence values of N preset schemes includes:

[0028] Successively judge the magnitudes of the degree - of - functional - prominence values of N preset schemes and the first preset threshold;

[0029] Take the preset schemes with the degree - of - functional - prominence values greater than or equal to the first preset threshold as the first set of schemes.

[0030] According to an embodiment of the present application, constructing an index of the degree of functional overlap based on the functional attributes of the module includes:

[0031] Based on the similarity between the functional attributes of the module, construct an index of the degree of functional overlap. The calculation formula of the degree of functional overlap is as follows:

[0032]

[0033] where ω i is the weight of the functional attribute i, is the performance of module k on the functional attribute i, is the performance of module l on the functional attribute i, Q is the number of modules in the preset scheme, P o is the degree of functional overlap of the preset scheme.

[0034] According to an embodiment of the present application, obtaining a target scheme based on the degree - of - functional - overlap values of M preset schemes includes:

[0035] Judge the magnitudes of the degree - of - functional - overlap values of the M preset schemes, and take the preset scheme with the smallest degree - of - functional - overlap value as the target scheme.

[0036] According to an embodiment of the present application, the function matrix is calculated by a fuzzy clustering method.

[0037] In a second aspect, the present application provides a multi-level screening device for aircraft modules based on function prominence and overlap degree, and the device includes:

[0038] A design module, configured to design N preset solutions based on aircraft function requirements, where each preset solution includes at least one module, each module includes at least one function attribute, each module includes at least one component, and each component includes at least one function attribute;

[0039] A first construction module, configured to construct a function matrix of the module based on a non-linear coupling relationship function;

[0040] A second construction module, configured to construct a function prominence degree index based on the function attributes of the components, and the function prominence degree is used to evaluate the function prominence attribute of the preset solution;

[0041] A first generation module, configured to calculate the function prominence degree values of the N preset solutions according to the function matrix;

[0042] A second generation module, configured to obtain a first solution set based on a first preset threshold and the function prominence degree values of the N preset solutions, where the first solution set includes M of the preset solutions;

[0043] A third construction module, configured to construct a function overlap degree index based on the function attributes of the modules, and the function overlap degree is used to evaluate the function overlap attribute of the preset solution;

[0044] A third generation module, configured to calculate the function overlap degree values of the M preset solutions in the first solution set based on the function matrix;

[0045] A fourth generation module, configured to obtain a target solution based on the function overlap degree values of the M preset solutions;

[0046] Wherein, N and M are positive integers greater than 1, and N is greater than M.

[0047] In a third aspect, the present application provides an electronic device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, and when the processor executes the computer program, it implements the multi-level screening method for aircraft modules based on function prominence and overlap degree as described in the first aspect above.

[0048] Fourthly, the present application provides a non-transitory computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, it implements the method for multi-level screening of aircraft modules based on function prominence and overlap degree as described in the first aspect above.

[0049] Fifthly, the present application provides a chip, which includes a processor and a communication interface. The communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the method for multi-level screening of aircraft modules based on function prominence and overlap degree as described in the first aspect.

[0050] Sixthly, the present application provides a computer program product, including a computer program. When the computer program is executed by a processor, it implements the method for multi-level screening of aircraft modules based on function prominence and overlap degree as described in the first aspect above.

[0051] The additional aspects and advantages of the present application will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present application.

[0052] The method for multi-level screening of aircraft modules based on function prominence and overlap degree provided by the present invention has the following beneficial effects compared with the prior art:

[0053] (1) By constructing a non-linear coupling relationship function and a function matrix between modules, the present invention comprehensively considers the complex interaction effects of component function attributes; performs a first-level screening on the preset schemes based on the function prominence degree index, eliminates the schemes with scattered or weakened function attributes, and retains the first set of schemes with significant function advantages; further performs a second-level refined screening on the first set of schemes through the function overlap degree index, reduces the function redundancy between modules, realizes multi-level and multi-attribute screening, obtains the optimal module scheme that meets the two-level screening criteria, reduces the functional singleness of the module scheme caused by the mutual influence between function attributes, improves the scientificity of module division and the efficiency of scheme decision-making, reduces the design cost, optimizes the function integration, reliability and maintainability of the aircraft, and provides quantitative evaluation and decision support for the modular design of complex aircraft.

[0054] (2) By establishing a non-linear coupling relationship function of components and constructing a function matrix based on this function, the present invention can reflect the non-linear coupling relationship between components inside the module, considers the complex interaction between component function attributes, effectively captures the mutual influence between components, quantitatively analyzes the function attributes of the module after combining the components of the aircraft, and then compares the function capabilities of the modules in each preset scheme, providing a basis for the next screening, and improving the efficiency and accuracy of modular screening of the scheme.

[0055] (3) The present invention constructs a functional attribute function of the module based on the non-linear coupling relationship functions of all components within the module and weight factors, and then constructs an index of functional prominence through the functional attribute function. By introducing the functional prominence for the first-level screening, the solutions with higher prominence levels in the preset solutions are obtained, which improves the scientific nature of module division and the efficiency of solution decision-making, reduces the design cost, and optimizes the functional integration, reliability, and maintainability of the aircraft. BRIEF DESCRIPTION OF THE DRAWINGS

[0056] The above and / or additional aspects and advantages of the present application will become apparent and be readily understood from the following description of the embodiments in conjunction with the accompanying drawings, where:

[0057] Figure 1 FIG. is a schematic flowchart of a multi-level screening method for aircraft modules based on functional prominence and overlap degree provided by an embodiment of the present application;

[0058] Figure 2 FIG. is a schematic structural diagram of an aircraft provided by an embodiment of the present application;

[0059] Figure 3 FIG. is a schematic diagram of designing 50 preset solutions based on the aircraft functional requirements provided by an embodiment of the present application;

[0060] Figure 4 FIG. is a radar chart of the functional attributes of components provided by an embodiment of the present application;

[0061] Figure 5 FIG. is a radar chart of the functional attributes of modules provided by an embodiment of the present application;

[0062] Figure 6 FIG. is a comparative radar chart of functional prominence provided by an embodiment of the present application;

[0063] Figure 7 FIG. is a comparative radar chart of functional overlap degree provided by an embodiment of the present application;

[0064] Figure 8 FIG. is a module solution for the first-level preliminary screening of the multi-level screening method for modular solutions provided by an embodiment of the present application;

[0065] Figure 9 FIG. is a module solution for the second-level secondary screening of the multi-level screening method for modular solutions provided by an embodiment of the present application;

[0066] Figure 10 FIG. is a schematic structural diagram of a multi-level screening device for aircraft modules based on functional prominence and overlap degree provided by an embodiment of the present application;

[0067] Figure 11 FIG. is a schematic structural diagram of an electronic device provided by an embodiment of the present application. Detailed implementation manners

[0068] The technical solutions in the embodiments of the present application will be clearly described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application belong to the scope of protection of the present application.

[0069] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, rather than to describe a specific order or sequence. It should be understood that such data may be interchanged under appropriate circumstances so that the embodiments of the present application can be implemented in an order different from those illustrated or described herein, and the objects distinguished by "first", "second", etc. are usually of the same category, and the number of objects is not limited. For example, the first object may be one or multiple. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / " generally means an "or" relationship between the associated objects before and after.

[0070] The multi-level screening method for aircraft modules based on function prominence and overlap degree, the multi-level screening device for aircraft modules based on function prominence and overlap degree, an electronic device, and a readable storage medium provided by the embodiments of the present application will be described in detail below with reference to the accompanying drawings, specific embodiments, and their application scenarios.

[0071] Among them, the multi-level screening method for aircraft modules based on function prominence and overlap degree can be applied to a terminal, and can be specifically executed by hardware or software in the terminal.

[0072] The terminal includes, but is not limited to, portable communication devices such as mobile phones or tablet computers having a touch-sensitive surface (for example, a touch screen display and / or a touchpad). It should also be understood that in some embodiments, the terminal may not be a portable communication device, but a desktop computer having a touch-sensitive surface (for example, a touch screen display and / or a touchpad).

[0073] In the following embodiments, a terminal including a display and a touch-sensitive surface is described. However, it should be understood that the terminal may include one or more other physical user interface devices such as a physical keyboard, a mouse, and a joystick.

[0074] The multi-level screening method for aircraft modules based on function prominence and overlap degree provided by the embodiments of the present application. The execution subject of the multi-level screening method for aircraft modules based on function prominence and overlap degree can be an electronic device or a functional module or functional entity in the electronic device that can implement the multi-level screening method for aircraft modules based on function prominence and overlap degree. The electronic devices mentioned in the embodiments of the present application include but are not limited to mobile phones, tablet computers, computers, cameras, wearable devices, etc. Hereinafter, taking the electronic device as the execution subject as an example, the multi-level screening method for aircraft modules based on function prominence and overlap degree provided by the embodiments of the present application will be described.

[0075] Figure 1 is a schematic flowchart of the multi-level screening method for aircraft modules based on function prominence and overlap degree provided by the embodiments of the present application. As Figure 1 shown, the multi-level screening method for aircraft modules based on function prominence and overlap degree includes: Step 110, Step 120, Step 130, Step 140, Step 150, Step 160, Step 170, and Step 180.

[0076] Step 110: Design N preset schemes based on the aircraft function requirements. The preset scheme includes at least one module, each module includes at least one function attribute, each module includes at least one component, and each component includes at least one function attribute;

[0077] Figure 2 is a schematic structural diagram of the application aircraft provided by the embodiments of the present application. As Figure 2 shown, the application aircraft includes a combat module 10, a detection module 20, a control module 30, a power module 40, and a penetration module 50.

[0078] In one embodiment, when N is 50, 50 preset schemes are designed according to the aircraft function requirements through a multi-objective optimization method. Figure 3 is a schematic diagram of designing 50 preset schemes based on the aircraft function requirements provided by the embodiments of the present application. As Figure 3 shown, each preset scheme includes at least one module. Different colors represent different modules, and the same color represents the same module. Each module includes at least one function attribute, each module includes at least one component, and each component includes at least one function attribute.

[0079] Step 120: Construct a function matrix of the module based on the non-linear coupling relationship function;

[0080] In some embodiments, the function matrix is calculated by a fuzzy clustering method.

[0081] It is easy to understand that the correlation between components and their functional attributes can be calculated through a fuzzy clustering method, obtaining a correlation evaluation table as shown in Table 1, which is used to evaluate the correlation between each component and its functional attributes. Among them, an evaluation value of 0 indicates that the component has no relation with the functional attribute, an evaluation value of 1 indicates a weak correlation between the component and the functional attribute, an evaluation value of 3 indicates a medium correlation between the component and the functional attribute, and an evaluation value of 5 indicates a strong correlation between the component and the functional attribute.

[0082] Table 1 Correlation Evaluation Table of Functional Attributes and Components

[0083]

[0084] In this embodiment, by using a fuzzy clustering method to calculate the functional matrix, the modules can be effectively divided according to the similarity of different functional attributes. By analyzing the functional coupling between components, the design cost can be effectively reduced, the efficiency and accuracy of the scheme design are improved, and the functional integration and scalability of the modules are optimized.

[0085] Furthermore, a non-linear coupling relationship function between components is constructed based on the correlation evaluation table, and a functional matrix of the module is constructed according to the non-linear coupling relationship function. Table 2 is a schematic structural diagram of the functional matrix of the module. As shown in Table 2, the module includes 14 components, each component includes at least one functional attribute, and the functional attribute value of each component is the correlation value of each component corresponding to each function in the functional matrix.

[0086] Table 2 Functional Matrix of the Module

[0087]

[0088]

[0089] Figure 4 is the radar chart of the functional attributes of the components provided by the embodiment of the present application. As Figure 4 shown, the component includes 12 functional attributes.

[0090] Step 130: Based on the functional attributes of the components, construct an index of functional prominence, and the functional prominence is used to evaluate the functional prominent attributes of the preset scheme;

[0091] It is easy to understand that after obtaining the functional matrix of the module, based on the functional attributes of the components in the module, an index of functional prominence is constructed by analyzing the variability and uniformity of the functional attributes of the module, which is used to evaluate the functional prominent attributes of the preset scheme.

[0092] Step 140: According to the functional matrix, calculate the functional prominence values of the N preset schemes;

[0093] Step 150: Obtain a first set of solutions based on the first preset threshold and the function prominence values of the N preset solutions. The first set of solutions includes M of the preset solutions;

[0094] Further, determine the magnitudes of the first preset threshold and the function prominence values of the N preset solutions, and use the solutions with function prominence values greater than the first preset threshold as the first set of solutions.

[0095] Step 160: Construct an index of function overlap degree based on the functional attributes of the module. The function overlap degree is used to evaluate the function overlap attribute of the preset solution;

[0096] It is easy to understand that the function overlap degree can be measured by the difference degree of the functional attributes between different modules. An index of function overlap degree can be constructed according to the functional attributes of the module to evaluate the function overlap attribute of the preset solution. If the difference in a certain functional attribute between two modules is greater, the function overlap degree is smaller.

[0097] Step 170: Calculate the function overlap degree values of the M preset solutions in the first set of solutions based on the function matrix;

[0098] Step 180: Obtain a target solution based on the function overlap degree values of the M preset solutions;

[0099] Finally, compare the magnitudes of the function overlap degree values of the M preset solutions, use the preset solution with the smallest function overlap degree value as the target solution, and design the aircraft based on the target solution to obtain a target aircraft that meets the functional requirements.

[0100] It should be noted that N and M are positive integers greater than 1, and N is greater than M.

[0101] According to the multi-level screening method for aircraft modules based on function prominence and overlap degree provided by the embodiments of the present application, by constructing a non-linear coupling relationship function and a function matrix between modules, the complex interaction effects of component functional attributes are comprehensively considered; based on the function prominence degree index, a first-level screening is performed on the preset solutions, eliminating the solutions with scattered or weakened functional attributes, and retaining the first set of solutions with significant functional advantages; further, a second-level refined screening is performed on the first set of solutions through the function overlap degree index, reducing the functional redundancy between modules, realizing multi-level and multi-attribute screening, obtaining the optimal module solution that meets the two-level screening criteria, reducing the functional singleness of the module solution caused by the mutual influence between functional attributes, improving the scientificity of module division and the efficiency of solution decision-making, reducing the design cost, optimizing the functional integration, reliability, and maintainability of the aircraft, and providing quantitative evaluation and decision-making support for the modular design of complex aircraft.

[0102] In some embodiments, constructing the functional matrix of the module based on the non - linear coupling relationship function includes:

[0103] Establish the non - linear coupling relationship function of the components according to the functional attributes of different components;

[0104] Based on the non - linear coupling relationship function, construct the functional matrix of the module. The functional matrix includes all components within the module, and the calculation formula is as follows:

[0105]

[0106] Wherein, is the nth functional attribute of the jth module, is the element in the nth row and the ith column of the functional matrix, e j is the number of components in module j, ω 1 , ω 2 , …, ω n are the weights of the linear weighting of each functional attribute, g 1 , g 2 , …, g n is the non - linear coupling relationship function, is the functional matrix of the module, and m is the number of components.

[0107] It should be noted that the functional attributes after different component combinations will affect each other. The non - linear coupling relationship function of the components is established according to the functional attributes of different components.

[0108] In one embodiment, according to the 12 functional attributes in Table 2, their non - linear coupling relationship functions can be as follows:

[0109] The multi - target damage ability is related to the number of warheads carried by the aircraft and their design characteristics. The sum - of - squares function can be used to emphasize that for each additional warhead, the improvement of its damage ability is non - linear. Especially when facing multiple targets, the interaction between warheads may cause the damage effect to increase exponentially. The non - linear coupling relationship function of multi - target damage is as follows:

[0110]

[0111] The fragmentation killing effect depends on the number of fragments generated after the explosion and their dispersion range. The product function can be used to represent the mutual dependence between components, that is, only when all components act together can the fragmentation killing effect be maximized, reflecting the characteristics of coordinated combat. The non - linear coupling relationship function of the fragmentation killing effect is as follows:

[0112]

[0113] The effect of kinetic energy damage is proportional to the square of the speed of the aircraft, indicating the enhanced effect of speed increase on the impact force. The squares of the speeds of each component can be summed to emphasize the contributions of the speeds of different components, thus more realistically reflecting the accumulation of kinetic energy on the damage effect. The non-linear coupling relationship function of kinetic energy damage is as follows:

[0114]

[0115] The stealth penetration ability is affected by the unique contributions of the stealth technologies of each component. The product function is used to represent that the stealth technology of each component can reduce the probability of being detected. Even if some components have strong stealth technologies, they will be partially offset by other components without stealth functions. Therefore, the stealth effect gradually increases with the stacking of components but it is difficult to completely avoid the risk of being detected. The non-linear coupling relationship function of stealth penetration is as follows:

[0116]

[0117] The attitude and trajectory control of the engine involves the accuracy, response speed, etc. of various sensors and control components. The reciprocal of the weighted inverse sum can be used to represent the influence of the attitude and trajectory control accuracy of each component on the overall module. Components with higher accuracy will play a more significant role in the final result. However, if a certain component has poor accuracy, it will slow down the overall control effect, thus realistically reflecting the influence of the weak points in the combined attitude and trajectory control of multiple components. The non-linear coupling relationship function of engine attitude and trajectory control is as follows:

[0118]

[0119] The end-burning time of each component does not contribute equally to the boost effect. The weighted logarithmic function can be used to make the components with longer boost times play a more significant role in the overall end-burning boost effect, while reflecting the progressive contribution of the components with shorter boost times to the overall effect. The non-linear coupling relationship function of end-burning boost is as follows:

[0120]

[0121] The effect of the pulse power system depends on its instantaneous thrust. The square relationship of the thrust emphasizes the importance of instantaneous power in combat. For example, a higher instantaneous thrust can help the aircraft quickly change its trajectory. The non-linear coupling relationship function of pulse power is as follows:

[0122]

[0123] The target recognition ability is closely related to the number and quality of sensors. The square root function reflects the superimposed effect of sensor capabilities, indicating that the combination of multiple sensors can significantly improve the recognition accuracy. The non-linear coupling relationship function of target recognition is as follows:

[0124]

[0125] The computational complexity of the flight control increases exponentially with the improvement of computing power. The computing power of each component is combined and then squared to highlight the synergistic effect of the overall computing resources. This formula particularly emphasizes the amplification effect of computing resources. The non-linear coupling relationship function of flight control is as follows:

[0126]

[0127] Inertial guidance depends on the accuracy of each component, and the accuracy of the composite system is represented by an inverse ratio and formula. The low accuracy of a single component can be partially compensated by other high-accuracy components, highlighting the role of component accuracy in improving the overall accuracy. The non-linear coupling relationship function of inertial guidance is as follows:

[0128]

[0129] The flight navigation performance depends on the synergistic effect of each navigation component, and the marginal improvement gradually decreases as the number of components increases. A logarithmic function of the sum can be used, and the navigation accuracy of each component is squared twice to emphasize the role of high-accuracy components. This can reflect that when the accuracy of the navigation system is improved to a certain extent, the overall performance improvement tends to level off, reflecting the integration characteristics of complex navigation systems. The non-linear coupling relationship function of flight navigation is as follows:

[0130]

[0131] The ability of direction change detection depends on the complexity of the detection algorithm. A logarithmic function is used to illustrate that as the detection ability improves, the marginal benefit decreases, reflecting the difficulty of detecting complex maneuvering targets. The non-linear coupling relationship function of direction change detection is as follows:

[0132]

[0133] Furthermore, based on the non-linear coupling relationship function and the weight factor, a functional matrix of the module is constructed. The functional matrix includes all components within the module. The functional attribute vector of the i-th component is set as The calculation formula for the functional matrix of the j-th module after combination is as follows:

[0134]

[0135] Among them, is the n-th functional attribute of the j-th module, is the element in the n-th row and i-th column of the functional matrix, e j is the number of components in module j, ω 1 , ω2 ,…, ω n are the weights of the linear weighting for each functional attribute, g 1 , g 2 ,…, g n is the non - linear coupling relationship function, is the functional matrix of the module.

[0136] It should be noted that the weight factor can take the average value or can be flexibly selected according to the application scenario.

[0137] Figure 5 is the radar chart of the functional attributes of the module provided by the embodiment of the present application, as Figure 5 shown, the module includes 12 functional attributes.

[0138] In this embodiment, by establishing the non - linear coupling relationship function of the components and constructing the functional matrix based on this function, the non - linear coupling relationship between the internal components of the module can be reflected, the complex interaction between the functional attributes of the components is considered, the mutual influence between each component is effectively captured, the functional attributes of the module after combining the components of the aircraft are quantitatively analyzed, and then the functional capabilities of the modules in each preset scheme are compared, providing a basis for the next screening and improving the efficiency and accuracy of the modular screening of the scheme.

[0139] In some embodiments, constructing an index of functional prominence based on the functional attributes of the components includes:

[0140] Obtain the non - linear coupling relationship functions of all components within the module;

[0141] Based on the non - linear coupling relationship function of the components and the weight factor, obtain the functional attribute function of the module;

[0142] Based on the functional attribute function of the module, construct an index of functional prominence, and the calculation formula of the functional prominence is as follows:

[0143]

[0144] where Q is the number of modules in the preset scheme, is the i - th functional attribute of the j - th module, is the mean value of the i - th functional attribute of all preset schemes, P t is the functional prominence of the preset scheme, and k is the number of functional attributes.

[0145] In one embodiment, taking two preset schemes as an example, the calculation process of the functional prominence of Preset Scheme 1 and Preset Scheme 2 is as follows:

[0146] The composition of Preset Scheme 1 is shown in Table 3:

[0147] Table 3

[0148]

[0149] The composition of the second preset solution is shown in Table 4 as follows:

[0150] Table 4

[0151]

[0152]

[0153] The average values of all attributes of the first preset solution and the second preset solution are shown in Table 5:

[0154] Table 5

[0155]

[0156] Figure 6 is a comparative radar chart of the function prominence provided by the embodiments of the present application. As Figure 6 shown, the function radar chart of the calculation and drawing module is drawn for the above two preset solutions. The functions of different modules in the module division result of the first preset solution are more prominent. By comparing the module average function prominence index, it is easier to screen out the preset solution with more prominent module functions from multiple preset solutions.

[0157] In this embodiment, by obtaining the non - linear coupling relationship functions of all components within the module, constructing the function attribute function of the module based on these functions and weight factors, then constructing the function prominence index through the function attribute function, and introducing the function prominence for the first - level screening, the solutions with higher prominence in the preset solutions are obtained, which improves the scientific nature of module division and the efficiency of solution decision - making, reduces the design cost, and optimizes the function integration, reliability and maintainability of the aircraft.

[0158] In some embodiments, obtaining the first solution set based on the first preset threshold and the function prominence values of the N preset solutions includes:

[0159] Sequentially determining the magnitudes of the function prominence values of the N preset solutions and the first preset threshold;

[0160] Taking the preset solutions whose function prominence values are greater than or equal to the first preset threshold as the first solution set.

[0161] In this embodiment, by sequentially determining the magnitude relationship between the functional prominence degree value of a preset solution and a first preset threshold, and taking the preset solutions greater than or equal to the first preset threshold as the first solution set, it is possible to effectively screen out the preset solutions with a high functional prominence degree, balance the functional contributions among different solutions, and improve the accuracy and efficiency of solution screening.

[0162] In some embodiments, constructing an index of functional overlap degree based on the functional attributes of the module includes:

[0163] Constructing an index of functional overlap degree based on the similarity between the functional attributes of the module. The calculation formula for the functional overlap degree is as follows:

[0164]

[0165] where ω i is the weight of functional attribute i, is the performance of module k on functional attribute i, is the performance of module l on functional attribute i, Q is the number of modules in the preset solution, and P o is the functional overlap degree of the preset solution.

[0166] It is easy to understand that the functional overlap degree can be calculated through the Euclidean distance or similarity between module functional attributes. The definition of the functional overlap degree is as follows:

[0167]

[0168] where is the performance of module k on functional attribute i, is the performance of module l on functional attribute i, Q is the number of modules in the preset solution, and P o is the functional overlap degree of the preset solution.

[0169] Furthermore, in order to preferentially reduce the overlap in certain attributes, for example, attribute A is more important than attributes B and C, a weighted factor can be introduced to obtain the following calculation formula for the functional overlap degree:

[0170]

[0171] where ω i is the weight of functional attribute i, is the performance of module k on functional attribute i, is the performance of module l on functional attribute i, Q is the number of modules in the preset solution, and P o is the functional overlap degree of the preset solution.

[0172] In one embodiment, taking two preset schemes as examples, the calculation process of the functional overlap degree between Preset Scheme 1 and Preset Scheme 2 is as follows:

[0173] The composition of Preset Scheme 1 is shown in Table 6:

[0174]

[0175] The composition of Preset Scheme 2 is shown in Table 7:

[0176]

[0177] Figure 7 is the comparison radar chart of the functional overlap degree provided by the embodiments of the present application. As Figure 7 shown, by calculating and drawing the module function radar chart of the two preset schemes above, the functional overlap degree of different modules in the module division result of Preset Scheme 1 is smaller.

[0178] In this embodiment, by constructing a functional overlap degree index based on the similarity between module function attributes, the performance overlap of modules on different function attributes can be quantified. Then, further perform a second-level screening on the comprehensive module overlap degree of the initially screened first scheme set, which helps to screen the optimal module scheme that meets multiple tasks and requirements, improves the modular design efficiency of the aircraft, and reduces the design cost.

[0179] In some embodiments, obtaining the target scheme based on the functional overlap degree values of the M preset schemes includes:

[0180] Judging the magnitudes of the functional overlap degree values of the M preset schemes, and taking the preset scheme with the smallest functional overlap degree value as the target scheme.

[0181] In one embodiment, when N is equal to 50 and M is equal to 10, first use the module average function prominence to evaluate and screen the 50 Pareto alternative module division schemes obtained by the multi-objective simulated annealing algorithm, and screen out 10 alternative schemes with the most prominent function attributes. Then use the comprehensive functional overlap degree to perform a secondary evaluation and screening on the 10 alternative schemes, and screen out the target scheme with relatively different prominent functions of different modules.

[0182] Specifically, calculate the module average function prominence of the 50 Pareto alternative module division schemes. The specific values are shown in Table 8, and the top 10 schemes of the module average function prominence are shown in Table 9.

[0183] Table 8 Module average function prominence of alternative schemes

[0184]

[0185]

[0186] Table 9 The top ten alternative solutions with the greatest degree of module average function prominence

[0187]

[0188] Figure 8 is the module solution for the first-level preliminary screening of the multi-level screening method for modular solutions provided by the embodiments of the present application; as Figure 8 shown, select the top ten alternative module partitioning solutions with the greatest degree of module average function prominence.

[0189] Furthermore, calculate the comprehensive function overlap degree of the 10 selected alternative module partitioning solutions, and the specific values are shown in Table 10 below.

[0190] Table 10 The comprehensive function overlap degree of 10 alternative module partitioning solutions

[0191]

[0192] Figure 9 is the module solution for the second-level secondary screening of the multi-level screening method for modular solutions provided by the embodiments of the present application, as Figure 9 shown, select the solution with the lowest comprehensive function overlap degree in the partitioning solutions as the target solution. The target solution is specifically represented as the module partitioning result shown in Table 11.

[0193] Table 11 Detailed results of the target solution

[0194]

[0195] In this embodiment, by judging the magnitude of the function overlap degree values of M preset solutions and selecting the preset solution with the smallest function overlap degree value as the target solution, it can effectively reduce the redundancy caused by function overlap, improve the accuracy of solution screening, help quickly find the optimal target solution among multiple preset solutions, and enhance the scientific nature of module partitioning and the solution decision-making efficiency.

[0196] The multi-level screening method for aircraft modules based on function prominence and overlap degree provided by the embodiments of the present application may have an execution subject as a multi-level screening device for aircraft modules based on function prominence and overlap degree. In the embodiments of the present application, taking the multi-level screening device for aircraft modules based on function prominence and overlap degree to execute the multi-level screening method for aircraft modules based on function prominence and overlap degree as an example, the multi-level screening device for aircraft modules based on function prominence and overlap degree provided by the embodiments of the present application is described.

[0197] The embodiment of the present application further provides a multi-level screening device for aircraft modules based on function prominence and overlap degree, as follows Figure 10 As shown, the multi-level screening device for aircraft modules based on function prominence and overlap degree includes: an acquisition module 1010, a first construction module 1020, a second construction module 1030, a first generation module 1040, a second generation module 1050, a third construction module 1060, a third generation module 1070, and a fourth generation module 1080.

[0198] A design module 1010, configured to design N preset schemes based on aircraft function requirements, where the preset schemes include at least one module, each module includes at least one function attribute, each module includes at least one component, and each component includes at least one function attribute;

[0199] The first construction module 1020 is configured to construct a function matrix of the module based on a non-linear coupling relationship function;

[0200] The second construction module 1030 is configured to construct a function prominence degree index based on the function attributes of the components, and the function prominence degree is used to evaluate the function prominence attribute of the preset scheme;

[0201] The first generation module 1040 is configured to calculate the function prominence degree values of the N preset schemes according to the function matrix;

[0202] The second generation module 1050 is configured to obtain a first scheme set based on a first preset threshold and the function prominence degree values of the N preset schemes, and the first scheme set includes M of the preset schemes;

[0203] The third construction module 1060 is configured to construct a function overlap degree index based on the function attributes of the modules, and the function overlap degree is used to evaluate the function overlap attribute of the preset scheme;

[0204] The third generation module 1070 is configured to calculate the function overlap degree values of the M preset schemes in the first scheme set based on the function matrix;

[0205] The fourth generation module 1080 is configured to obtain a target scheme based on the function overlap degree values of the M preset schemes;

[0206] Wherein, N and M are positive integers greater than 1, and N is greater than M.

[0207] The multi-level screening device for aircraft modules based on function prominence and overlap degree provided by the embodiments of the present application constructs a non-linear coupling relationship function and a function matrix between modules, comprehensively considering the complex interaction effects of component function attributes; performs a first-level screening on the preset solutions based on the function prominence degree index, eliminates the solutions with scattered or weakened function attributes, and retains the first set of solutions with significant function advantages; further performs a second-level refined screening on the first set of solutions through the function overlap degree index, reduces the function redundancy between modules, realizes multi-level and multi-attribute screening, obtains the optimal module solutions that meet the two-level screening criteria, reduces the functional simplification of module solutions caused by the mutual influence between function attributes, improves the scientificity of module division and the efficiency of solution decision-making, reduces the design cost, optimizes the function integration, reliability and maintainability of the aircraft, and provides quantitative evaluation and decision support for the modular design of complex aircraft.

[0208] The multi-level screening device for aircraft modules based on function prominence and overlap degree provided by the embodiments of the present application can achieve Figures 1 to 9 each process implemented by the embodiment of the multi-level screening method for aircraft modules based on function prominence and overlap degree. To avoid repetition, it will not be elaborated here.

[0209] In some embodiments, as Figure 11 shown, the embodiments of the present application also provide an electronic device 1100, including a processor 1101, a memory 1102, and a computer program stored on the memory 1102 and executable on the processor 1101. When the program is executed by the processor 1101, it realizes each process of the embodiment of the above-mentioned multi-level screening method for aircraft modules based on function prominence and overlap degree, and can achieve the same technical effects. To avoid repetition, it will not be elaborated here.

[0210] It should be noted that the electronic devices in the embodiments of the present application include the above-mentioned mobile electronic devices and non-mobile electronic devices.

[0211] The embodiments of the present application also provide a non-transitory computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, it realizes each process of the embodiment of the above-mentioned multi-level screening method for aircraft modules based on function prominence and overlap degree, and can achieve the same technical effects. To avoid repetition, it will not be elaborated here.

[0212] Among them, the processor is the processor in the electronic device in the above embodiment. The readable storage medium includes computer-readable storage media, such as computer read-only memory (ROM), random access memory (RAM), magnetic disk or optical disc, etc.

[0213] An embodiment of the present application also provides a computer program product, including a computer program, which when executed by a processor implements the above-mentioned multi-level screening method for aircraft modules based on functional prominence and overlap degree.

[0214] Among them, the processor is the processor in the electronic device in the above embodiment. The readable storage medium includes computer-readable storage media, such as computer read-only memory ROM, random access memory RAM, magnetic disks or optical discs, etc.

[0215] Another embodiment of the present application provides a chip, which includes a processor and a communication interface. The communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement each process of the above-mentioned embodiment of the multi-level screening method for aircraft modules based on functional prominence and overlap degree, and can achieve the same technical effects. To avoid repetition, it will not be elaborated here.

[0216] It should be understood that the chip mentioned in the embodiment of the present application may also be referred to as a system-on-chip, system chip, chip system, or system-on-chip, etc.

[0217] It should be noted that in this article, the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of another identical element in the process, method, article or device including the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in a reverse order according to the functions involved. For example, the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0218] Through the description of the above embodiments, those skilled in the art can clearly understand that the above-described example methods can be implemented by means of software plus a necessary general hardware platform. Of course, they can also be implemented by hardware, but in many cases the former is a better implementation. Based on such an understanding, the technical solution of the present application, in essence, or the part that contributes to the prior art, can be embodied in the form of a computer software product. This computer software product is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk) and includes several instructions for causing a terminal (which can be a mobile phone, computer, server, or network device, etc.) to execute the multi-level screening method of the aircraft module based on the function prominence and overlap degree of each embodiment of the present application.

[0219] In the description of the present application, the "first feature", "second feature" may include one or more of such features.

[0220] In the description of the present application, the meaning of "a plurality" is two or more.

[0221] The embodiments of the present application have been described above in conjunction with the accompanying drawings. However, the present application is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present application, those of ordinary skill in the art can also make many forms without departing from the purpose of the present application and the scope protected by the claims, and all of them belong to the protection scope of the present application.

[0222] In the description of this specification, the description with reference to terms such as "an embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic descriptions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0223] Although the embodiments of the present application have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present application. The scope of the present application is defined by the claims and their equivalents.

Claims

1. A multi-level screening method for aircraft modules based on functional prominence and overlap, characterized in that: The method comprises: Designing N preset solutions based on the functional requirements of the aircraft, wherein the preset solution includes at least one module, each module includes at least one functional attribute, each module includes at least one component, and each component includes at least one functional attribute; Based on the nonlinear coupling relationship function, constructing the function matrix of the module; Based on the functional attributes of the components, construct a functional prominence index, wherein the functional prominence is used to evaluate the functional prominence attributes of the preset solution; According to the function matrix, calculating the function prominence values ​​of the N preset solutions; Based on a first preset threshold and the functional prominence values ​​of the N preset solutions, a first solution set is obtained, wherein the first solution set includes the M preset solutions; Based on the functional attributes of the modules, construct a functional overlap index, wherein the functional overlap index is used to evaluate the functional overlap attributes of the preset solutions; Based on the function matrix, calculating the function overlap values ​​of the M preset solutions in the first solution set; Obtaining a target solution based on the functional overlap values ​​of the M preset solutions; Wherein, N and M are positive integers greater than 1, and N is greater than M.

2. The aircraft module multi-level screening method based on functional prominence and overlap degree according to claim 1 is characterized in that: The function matrix of the module is constructed based on the nonlinear coupling relationship function, including: Establishing a nonlinear coupling relationship function of the components according to functional attributes of different components; Based on the nonlinear coupling relationship function, a function matrix of the module is constructed, and the function matrix includes all components in the module. The calculation formula is as follows: in, is the nth functional attribute of the jth module, is the element in the i-th column and n-th row of the function matrix, e j is the number of components in module j, ω1,ω2,…,ω n The linear weights of each functional attribute, g1,g2,…,g n is the nonlinear coupling relationship function, is the functional matrix of the module, and m is the number of components.

3. The aircraft module multi-level screening method based on functional prominence and overlap degree according to claim 2 is characterized in that: The function prominence index is constructed based on the functional attributes of the component, including: Obtaining nonlinear coupling relationship functions of all components in the module; Based on the nonlinear coupling relationship function and weight factor of the components, a functional attribute function of the module is obtained; Based on the functional attribute function of the module, a functional prominence index is constructed, and the calculation formula of the functional prominence is as follows: Where Q is the number of modules in the preset solution, is the i-th functional attribute of the j-th module, is the mean value of the ith functional attribute of all preset solutions, P t is the functional prominence of the preset solution, and k is the number of functional attributes.

4. The aircraft module multi-level screening method based on functional prominence and overlap degree according to claim 1, characterized in that: The first solution set is obtained based on the first preset threshold and the functional prominence values ​​of the N preset solutions, including: Determine in sequence the values ​​of the functional prominence of the N preset solutions and the first preset threshold; The preset solutions whose function prominence values ​​are greater than or equal to the first preset threshold are taken as the first solution set.

5. The aircraft module multi-level screening method based on functional prominence and overlap degree according to claim 1 is characterized in that: The constructing of a functional overlap index based on the functional attributes of the modules includes: Based on the similarity between the functional attributes of the modules, a functional overlap index is constructed, and the calculation formula of the functional overlap is as follows: Among them, ω i is the weight of functional attribute i, is the performance of module k on functional attribute i, is the performance of module l on functional attribute i, Q is the number of modules in the preset solution, P o The degree of functional overlap of the preset solutions.

6. The aircraft module multi-level screening method based on functional prominence and overlap degree according to claim 1, characterized in that: The step of obtaining a target solution based on the functional overlap values ​​of the M preset solutions includes: The magnitude of the functional overlap degree values ​​of the M preset solutions is determined, and the preset solution with the smallest functional overlap degree value is taken as the target solution.

7. The aircraft module multi-level screening method based on functional prominence and overlap degree according to claim 1, characterized in that: The functional matrix is ​​calculated by a fuzzy clustering method.

8. A device for multi-level screening of aircraft modules based on functional prominence and overlap, implemented by the method for multi-level screening of aircraft modules based on functional prominence and overlap as claimed in any one of claims 1 to 7, characterized in that: The device comprises: A design module, used for designing N preset solutions based on the functional requirements of the aircraft, wherein the preset solution includes at least one module, each module includes at least one functional attribute, each module includes at least one component, and each component includes at least one functional attribute; A first construction module is used to construct a function matrix of the module based on a nonlinear coupling relationship function; A second construction module is used to construct a function prominence index based on the function attributes of the component, and the function prominence is used to evaluate the function prominence attributes of the preset solution; A first generating module, used for calculating the function prominence values ​​of the N preset solutions according to the function matrix; A second generating module is used to obtain a first solution set based on a first preset threshold and the functional prominence values ​​of the N preset solutions, wherein the first solution set includes the M preset solutions; A third construction module is used to construct a functional overlap index based on the functional attributes of the modules, wherein the functional overlap index is used to evaluate the functional overlap attributes of the preset solutions; A third generating module, configured to calculate, based on the function matrix, the functional overlap values ​​of the M preset solutions in the first solution set; A fourth generating module, configured to obtain a target solution based on the functional overlap values ​​of the M preset solutions; Wherein, N and M are positive integers greater than 1, and N is greater than M.

9. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein: When the processor executes the program, the aircraft module multi-level screening method based on functional prominence and overlap degree is implemented as described in any one of claims 1 to 7.

10. A non-transitory computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the method for multi-level screening of aircraft modules based on functional prominence and overlap degree as claimed in any one of claims 1 to 7 is implemented.

Images