A method and device for improving the launch success rate of an offshore platform based on threat analysis

Abstract

The present application belongs to the field of satellite launch, and specifically discloses a method and device for improving the success rate of launching an offshore platform based on threat analysis, the method comprising: determining a set of threat factors of aerial targets to the launch zone of the offshore platform; constructing a membership mapping of each threat factor in the threat factor set; obtaining a weight value of each threat factor, obtaining a weighted threat vector based on the membership mapping and the weight value, and constructing a target threat assessment radar map according to the weighted threat vector; obtaining a target threat value according to the area of ​​the target threat assessment radar map, obtaining a threat analysis result of the aerial target based on the target threat value, and launching the offshore platform based on the threat analysis result. The present application can improve the launch success rate of the offshore platform.

Description

Technical Field

[0001] The present application belongs to the field of multi-objective decision making, and more specifically, to a method and device for improving the launch success rate of an offshore platform based on threat analysis. Background Art

[0002] With the advancement of technology, the development of society and the continuous breakthroughs in key technologies, the aerospace field has increasingly become an important frontier in the scientific and technological competition among major countries.

[0003] Judging from current practices, with the large-scale development of the aerospace industry chain, the core competitiveness of aerospace development is largely reflected in price. The low cost of aerospace makes it possible for space launches to serve the general public.

[0004] However, due to the particularity of space launches, there is limited room for cost reduction. Current technology has the problem of low satellite launch success rate due to various threat factors in the satellite launch process. Therefore, it is necessary to ensure competitiveness by improving the launch success rate. Summary of the invention

[0005] In view of the defects of the prior art, the purpose of this application is to provide a method and device for improving the launch success rate of offshore platforms based on threat analysis, aiming to solve the problem of low satellite launch success rate due to various threat factors in the satellite launch process.

[0006] To achieve the above objectives, the present application provides a method and device for improving the launch success rate of an offshore platform based on threat analysis.

[0007] In a first aspect, the present application provides a method for improving the launch success rate of an offshore platform based on threat analysis, comprising:

[0008] Determine the set of threat factors of air targets to the launch zone of the sea platform;

[0009] Constructing a membership mapping of each threat factor in the threat factor set;

[0010] Obtaining a weight value of each threat factor, obtaining a weighted threat vector based on the membership mapping and the weight value, and constructing a target threat assessment radar chart according to the weighted threat vector;

[0011] A target threat value is obtained according to the area of ​​the target threat assessment radar chart, and a threat analysis result of the air target is obtained based on the target threat value, so as to perform offshore platform launch based on the threat analysis result.

[0012] In some embodiments, the threat factor set includes: launch mission style, target projection distance, target type, target flight time window, and target jamming capability;

[0013] The constructing a membership map of each threat factor in the threat factor set includes:

[0014] Determine safety requirements according to the fuel type, weight and number of satellites carried by the launch rocket, and establish a first sub-mapping corresponding to the launch mission pattern according to the safety requirements;

[0015] Acquire the projection distance of the aerial target, and establish a second sub-mapping corresponding to the target projection distance according to the projection distance;

[0016] Determine target performance according to the target type of the aerial target, determine the influence capability of the aerial target on the transmitting first zone according to the target performance, and establish a third sub-mapping corresponding to the target type according to the influence capability;

[0017] Calculate the flight time window from the vertical direction and the horizontal direction, and establish a fourth sub-mapping of the target flight time window according to the flight time window;

[0018] The intensity level of the jamming capability of the aerial target is obtained, and a fifth sub-mapping of the target jamming capability is established based on the intensity level.

[0019] In some embodiments, acquiring the projection distance of the aerial target and establishing a second sub-mapping corresponding to the target projection distance according to the projection distance includes:

[0020] Projecting the position of the aerial target onto the horizontal plane where the offshore launch platform is located to obtain projection data;

[0021] Determine a projection type of the projection data, wherein the projection type includes a projection point, a projection line segment, and a projection surface;

[0022] Taking the projection point of the launch frame on the horizontal plane as the center origin, and obtaining the projection distance from the projection data to the center origin based on the projection type;

[0023] The projection distance is combined with a preset distance threshold and a threat parameter to establish the second sub-mapping.

[0024] In some embodiments, calculating the flight time window from the vertical direction and the horizontal direction, and establishing the fourth sub-mapping of the target flight time window according to the flight time window, comprises:

[0025] Determine the first time when the rocket reaches the target altitude based on the origin time and the launch trajectory, and calculate the second time when the current time of the target threat is relative to the launch time;

[0026] The third time when the target flies away from the first launch area is obtained according to the target flight speed and the target projection distance;

[0027] Adding the second time, the third time and the time error to obtain a fourth time;

[0028] A fourth sub-mapping of the target flight time window is determined according to a comparison result of the fourth time and the first time.

[0029] In some embodiments, the obtaining of the weight value of each threat factor and obtaining a weighted threat vector based on the membership mapping and the weight value includes:

[0030] Determine the weight value of each threat factor based on the expert survey method, and obtain the threat factor weight vector based on the weight value;

[0031] Obtaining a threat factor value corresponding to the aerial target based on the membership mapping, and acquiring a target threat vector based on the threat factor value;

[0032] The target threat vector and the threat factor weight vector are vector-weighted to obtain a weighted threat vector.

[0033] In some embodiments, obtaining a threat analysis result of the aerial target based on the target threat value includes:

[0034] Traverse all n aerial targets in the launch first area to obtain target threat values ​​of the n aerial targets, where n is a positive integer;

[0035] The threat values ​​of the targets are sorted from large to small to obtain the threat analysis results of the n targets in the first transmitting area.

[0036] In some embodiments, the step of determining a set of threat factors of an aerial target to a launch zone of a marine platform includes:

[0037] Analyze the airspace requirements of the first launch area of ​​the offshore platform and the characteristics of potential air targets in the first launch area;

[0038] Based on the requirements and characteristics, a set of threat factors representing the target threat is selected.

[0039] In a second aspect, the present application also provides a device for improving the launch success rate of an offshore platform based on threat analysis, comprising:

[0040] A factor determination module, used to determine the threat factor set of the air target to the launch area of ​​the marine platform;

[0041] A function construction module, used to construct a membership mapping of each threat factor in the threat factor set;

[0042] A radar chart construction module is used to obtain the weight value of each threat factor, obtain a weighted threat vector based on the membership mapping and the weight value, and construct a target threat assessment radar chart according to the weighted threat vector;

[0043] The analysis module is used to obtain a target threat value according to the area of ​​the target threat assessment radar chart, obtain a threat analysis result of the aerial target based on the target threat value, and perform offshore platform launch based on the threat analysis result.

[0044] In a third aspect, the present application provides an electronic device comprising: at least one memory for storing programs; and at least one processor for executing the programs stored in the memory. When the program stored in the memory is executed, the processor is used to execute the method described in the first aspect or any possible implementation of the first aspect.

[0045] In a fourth aspect, the present application provides a computer-readable storage medium, which stores a computer program. When the computer program runs on a processor, the processor executes the method described in the first aspect or any possible implementation of the first aspect.

[0046] In a fifth aspect, the present application provides a computer program product. When the computer program product runs on a processor, the processor executes the method described in the first aspect or any possible implementation of the first aspect.

[0047] It can be understood that the beneficial effects of the second to fifth aspects mentioned above can be found in the relevant description of the first aspect mentioned above, and will not be repeated here.

[0048] In general, the above technical solutions conceived by this application have the following beneficial effects compared with the prior art:

[0049] (1) By constructing a threat factor set, various potential threat factors can be comprehensively considered. By constructing membership mapping and weight values, the impact of each threat factor can be quantified into a numerical value, making the threat assessment more objective and comparable.

[0050] (2) By calculating the weighted threat vector, we can comprehensively consider the impact of various threat factors and derive the overall threat level, thus fully understanding the threat situation of aerial targets to the launch area of ​​the offshore platform.

[0051] (3) By calculating the area of ​​the radar chart, the threat level can be quantified into a specific value, thereby more intuitively comparing the threat levels in different situations.

[0052] (4) Using two threat factors, the target projection distance and the target flight time window, the distance and time urgency of the target's stay in the airspace of the first launch area are considered from the satellite's perspective;

[0053] (5) Using a combination of target and satellite perspectives to determine target threat factors, to ensure the scientificity, accuracy, and comprehensiveness of the threat analysis of the launch area;

[0054] (6) The threat factor weights are added to the threat assessment radar chart, and the target threat value is obtained through the graphic area, making the calculation of the threat value more direct and simple.

[0055] (7) It can comprehensively and objectively assess the threat level of aerial targets to the launch zone of offshore platforms, provide scientific basis and guidance for decision makers, help strengthen the security of offshore platform launch activities, and thus improve the launch success rate of offshore platforms, thereby reducing space costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0056] Figure 1 This is one of the flow charts of the method for improving the success rate of launching an offshore platform based on threat analysis provided in an embodiment of the present application;

[0057] Figure 2 It is a target threat assessment radar chart provided by an embodiment of the present application;

[0058] Figure 3 This is the second flow chart of the method for improving the success rate of launching an offshore platform based on threat analysis provided in an embodiment of the present application;

[0059] Figure 4 is a schematic diagram of target projection distance provided in an embodiment of the present application;

[0060] Figure 5 is a schematic diagram of a target flight time window provided in an embodiment of the present application;

[0061] Figure 6 This is the third flow chart of the method for improving the success rate of launching an offshore platform based on threat analysis provided in the embodiment of the present application;

[0062] Figure 7 It is a structural schematic diagram of a device for improving the launch success rate of an offshore platform based on threat analysis provided in an embodiment of the present application;

[0063] Figure 8 It is a schematic diagram of the structure of an electronic device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0064] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0065] The term "and / or" in this article is a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. The symbol " / " in this article indicates that the associated objects are in an or relationship, for example, A / B means A or B.

[0066] The terms "first" and "second" in the specification and claims herein are used to distinguish different objects rather than to describe a specific order of the objects. For example, a first response message and a second response message are used to distinguish different response messages rather than to describe a specific order of the response messages.

[0067] In the embodiments of the present application, words such as "exemplary" or "for example" are used to indicate examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present application should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "exemplary" or "for example" is intended to present related concepts in a specific way.

[0068] In the description of the embodiments of the present application, unless otherwise specified, "multiple" means two or more than two. For example, multiple processing units refer to two or more processing units, etc.; multiple elements refer to two or more elements, etc.

[0069] Next, the technical solutions provided in the embodiments of the present application are introduced.

[0070] Reference Figure 1 The present application provides a method for improving the success rate of launching an offshore platform based on threat analysis, comprising:

[0071] S101. Determine the threat factor set of air targets to the launch zone of the sea platform;

[0072] S102. constructing a membership mapping of each threat factor in the threat factor set;

[0073] S103. Obtain a weight value of each threat factor, obtain a weighted threat vector based on the membership mapping and the weight value, and construct a target threat assessment radar chart according to the weighted threat vector;

[0074] S104. Obtain a target threat value according to the area of ​​the target threat assessment radar chart, obtain a threat analysis result of the aerial target based on the target threat value, and perform offshore platform launch based on the threat analysis result.

[0075] Specifically, in this embodiment, the offshore platform is used to launch satellites, and the aerial targets refer to flying targets that may affect the satellites when the offshore platform launches the satellites. The types of aerial targets include but are not limited to low, small and slow unmanned aerial vehicles, balloons, birds, airships, hang gliders, rotorcraft, helicopters and passenger planes.

[0076] The threat factor set includes, but is not limited to, launch mission style, target projection distance, target type, target flight time window, and target jamming capability.

[0077] Then, according to the data characteristics of different threat factors, a membership map is constructed for each threat factor in step S101 to indicate the threat level of the factor, wherein each threat factor corresponds to a sub-map, and each sub-map is synthesized to obtain a total membership map.

[0078] For each threat factor, its weight in the overall threat assessment needs to be determined. These weight values ​​can be obtained through expert evaluation, historical data analysis, etc. Multiply the membership mapping of each threat factor with the corresponding weight value to obtain the weighted value of each threat factor, and then add these weighted values ​​to obtain the weighted threat vector.

[0079] Reference Figure 2 , taking each component of the weighted threat vector as the vertices of the radar chart, and taking the values ​​of each threat factor in the vector as the edge length, a target threat assessment radar chart is drawn.

[0080] Furthermore, the target threat value is obtained according to the area of ​​the target threat assessment radar chart. The target threat value can be used to indicate the threat level of the aerial target to the launch zone of the offshore platform. Finally, according to the size of the target threat value, the threat level of the aerial target can be analyzed and compared. A larger threat value indicates that the threat level of the aerial target to the launch zone of the offshore platform is higher, and corresponding safety measures need to be taken.

[0081] By constructing a set of threat factors, this application can comprehensively consider various potential threat factors, and by constructing membership mapping and weight values, quantify the degree of influence of each threat factor into a numerical value, making the threat assessment more objective and comparable. By calculating the weighted threat vector, the impact of each threat factor can be comprehensively considered to derive the overall threat level, so that the threat situation of aerial targets to the first launch area of ​​the offshore platform can be fully understood. According to the area of ​​the radar chart, the threat level can be quantified into a specific value, so as to more intuitively compare the threat level in different situations. It can comprehensively and objectively evaluate the threat level of aerial targets to the first launch area of ​​the offshore platform, provide scientific basis and guidance for decision makers, help strengthen the security of offshore platform launch activities, and thus improve the launch success rate of offshore platforms, thereby reducing aerospace costs.

[0082] Reference Figure 3 , the process of establishing the membership mapping of each threat factor further includes:

[0083] S301. Determine the safety requirements according to the fuel type, weight and number of satellites carried by the launch rocket, and establish the first sub-mapping corresponding to the launch mission style according to the safety requirements;

[0084] S302. Obtaining the projection distance of the aerial target, and establishing a second sub-mapping corresponding to the target projection distance according to the projection distance;

[0085] S303. Determine the target performance according to the target type of the aerial target, determine the impact capability of the aerial target on the launch first zone according to the target performance, and establish a third sub-mapping corresponding to the target type according to the impact capability;

[0086] S304. Calculate the flight time window from the vertical direction and the horizontal direction, and establish a fourth sub-mapping of the target flight time window according to the flight time window;

[0087] S305. Obtain the intensity level of the jamming capability of the aerial target, and establish a fifth sub-mapping of the target jamming capability based on the intensity level.

[0088] Specifically, in S301, different satellite launch missions have different safety requirements for the launch first area, which are specifically distinguished by the fuel type, weight and number of satellites carried by the launch rocket. The higher the launch mission style's safety requirements for the launch first area, the greater the threat membership value.

[0089] Optionally, the comparison between specific tasks T and task membership values ​​is shown in Table 1 below:

[0090] Table 1 Comparison table of launch mission styles and membership values

[0091]

[0092]

[0093] S302 further includes:

[0094] Projecting the position of the aerial target onto the horizontal plane where the offshore launch platform is located to obtain projection data;

[0095] Determine a projection type of the projection data, wherein the projection type includes a projection point, a projection line segment, and a projection surface;

[0096] Taking the projection point of the launch frame on the horizontal plane as the center origin, and obtaining the projection distance from the projection data to the center origin based on the projection type;

[0097] The projection distance is combined with a preset distance threshold and a threat parameter to establish the second sub-mapping.

[0098] Specifically, the target location is projected onto the horizontal plane where the offshore launch platform is located, and the resulting projection data may be points, lines, or surfaces. The projection point of the launch platform on the plane is the center origin, denoted as point O. Figure 4 shown.

[0099] (1) When the target projection is a point A(x A ,y A ), its projection distance is the distance from the projection point A to the center origin O, recorded as

[0100] (2) When the target projection is line segment AB, The projection distance is the shortest distance between the distance from projection point A1 to the center origin O and the distance from projection point A2 to the center origin O, recorded as

[0101] (3) When the target projection is a network consisting of n points A = {A1A2…A n}, its projection distance is the shortest distance from all points to the center origin O, denoted as

[0102] The smaller the target projection distance is, the greater its threat impact on the launch. Optionally, its threat membership mapping is:

[0103]

[0104] Wherein D is the preset distance threshold, k is the threat parameter, optionally, D=10km, k=0.5.

[0105] In S303, the target type appearing in the launch first zone has the inherent properties of the target itself (movement speed, maneuverability, shell thickness, impact capability, target size, target weight, etc.). These properties reflect the target's ability to influence the launch first zone. Through subjective evaluation of the target's inherent capabilities, the threat impact of different types of targets on the launch first zone is examined.

[0106] Optionally, the comparison between specific target types and membership values ​​is shown in Table 2 below:

[0107] Table 2 Comparison table of target types and membership values

[0108] Type code Aircraft Classification Threat Level Threat membership value P1 Low, small and slow unmanned aerial vehicle Very low 0.2 P2 balloon Relatively low 0.3 P3 birds Low 0.4 P4 airship generally 0.5 P5 hang gliding high 0.6 P6 Rotorcraft Relatively high 0.7 P7 Helicopters Very high 0.8 P8 airliner Very high 0.9

[0109] S304 further includes:

[0110] Determine the first time when the rocket reaches the target altitude based on the origin time and the launch trajectory, and calculate the second time when the current time of the target threat is relative to the launch time;

[0111] The third time when the target flies away from the first launch area is obtained according to the target flight speed and the target projection distance;

[0112] Adding the second time, the third time and the time error to obtain a fourth time;

[0113] A fourth sub-mapping of the target flight time window is determined according to a comparison result of the fourth time and the first time.

[0114] Specifically, Figure 5 As shown, the flight time window of the moving target in the airspace of the first launch zone is calculated, and the flight time window is calculated from both the vertical and surface directions. By comparing the overlap of the two time windows, the threat impact of the flying target on the first launch zone is reflected.

[0115] Optionally, the launch time is the origin time and is recorded as t0. According to the launch trajectory, the time when the rocket reaches the target height can be obtained and is recorded as the first time t alt Calculate the time between the current time of the target threat and the launch time, recorded as the second time t cur . According to the target horizontal flight speed v hor And the target projection distance D s , the third time the target flies away from the first launch area is calculated to be t hor =(RD s ) / v hor ,R≥D s , where R is the radius of the first transmission area, and R=10km is optional. In the specific implementation process, the value of R can be adjusted according to the actual situation, and this embodiment does not make any specific limitation.

[0116] When the fire reaches the target altitude, the farther the target is from the launch area, the smaller the target threat is. Therefore, the target flight time window membership mapping is obtained as follows:

[0117]

[0118] Where Δt represents the time error, Δt = 12, t = t cur +t hor +Δt.

[0119] Finally, in S305, the stronger the target interference capability is, the greater the harm to the equipment launched by the offshore platform and the greater the threat to the launch area. The comparison between the specific target interference capability and the membership value is shown in Table 3:

[0120] Table 3 Comparison table of target interference capability and membership value

[0121] Target jamming capability Threat membership value Very strong 1.00 powerful 0.85 Strong 0.65 generally 0.45 Weaker 0.25 weak 0.15 none 0.05

[0122] In some embodiments, the obtaining of the weight value of each threat factor and obtaining a weighted threat vector based on the membership mapping and the weight value includes:

[0123] Determine the weight value of each threat factor based on the expert survey method, and obtain the threat factor weight vector based on the weight value;

[0124] Obtaining a threat factor value corresponding to the aerial target based on the membership mapping, and acquiring a target threat vector based on the threat factor value;

[0125] The target threat vector and the threat factor weight vector are vector-weighted to obtain a weighted threat vector.

[0126] Specifically, the weight value of each threat factor is obtained by expert survey method to form a threat factor weight vector; the threat factor value corresponding to the target is obtained by combining threat membership mapping, and the weighted threat vector of the target is obtained after weighting the threat factor value; the target threat assessment radar chart is constructed according to the weighted threat vector.

[0127] The normalized weight vector of each threat factor is obtained by the expert survey method, that is, the threat factor weight vector, denoted as W = [w1, w2, …, w m ], where m represents the number of threat factors, w j is the weight value of the jth threat factor, and m=5 is optional.

[0128] Optionally, launch n aerial targets in the first zone, target A i There are m threat factors z1, z2, …, z m The value of x ij (i=1,2,…,n;j=1,2,…,m), where m=5, x ij is the membership value of the j-th threat factor of the ith target, and the membership value is calculated in step S102.

[0129] Then target A i The threat vector is denoted as X i =[x i1 x i2 …x im ].

[0130] Set the target threat vector X i Combined with the weight vector W, the target threat weighted vector Y is obtained after weighted calculation i =[y i1 y i2 …y im ], where y ijis the weighted membership value y of the jth threat factor of the i-th target ij =x ij × j .

[0131] Furthermore, the target threat value is obtained according to the area of ​​the radar chart.

[0132] According to the trigonometric formula, target A i The threat radar area is:

[0133]

[0134] Among them, target A i Threat radar area value Recorded as target A i Threat value.

[0135] In some embodiments, obtaining a threat analysis result of the aerial target based on the target threat value includes:

[0136] Traverse all n aerial targets in the launch first area to obtain target threat values ​​of the n aerial targets, where n is a positive integer;

[0137] The threat values ​​of the targets are sorted from large to small to obtain the threat analysis results of the n targets in the first transmitting area.

[0138] In this embodiment, the target threat values ​​are sorted from large to small to obtain the target threat analysis result of the first launch area. All the air targets in the first launch area are traversed to obtain the threat values ​​of all targets. The threat values ​​of all targets are sorted from large to small to obtain the threat analysis result of n air targets in the first launch area.

[0139] In some embodiments, the step of determining a set of threat factors of an aerial target to a launch zone of a marine platform includes:

[0140] Analyze the airspace requirements of the first launch area of ​​the offshore platform and the characteristics of potential air targets in the first launch area;

[0141] Based on the requirements and characteristics, a set of threat factors representing the target threat is selected.

[0142] Specifically, this embodiment analyzes the requirements of the first zone for the airspace and the characteristics of the aerial targets that may appear in the first zone, and selects factors that can express the target threat.

[0143] Optionally, the threat factor set of aerial targets to the launch first zone of the offshore platform includes launch mission style z1, target projection distance z2, target type z3, target flight time window z4, and target interference capability z5, denoted as Z = {z1, z2, z3, z4, z5}.

[0144] The launch mission style has different safety requirements for the airspace in the first launch area depending on the fuel status of the launch rocket, the satellites carried, the fuel weight and other different requirements. The results of the target threat analysis in the first area vary depending on the launch mission style.

[0145] The size of the projection distance reflects, to a certain extent, the urgency of the impact of the target on the launch. For targets appearing in the first zone airspace, the offshore platform launch is more concerned about whether the target is in the first zone airspace and whether it will affect the route of the satellite launch. The height of the target itself is not very concerned. Therefore, the distance of the target in the first zone can be expressed by the projection distance of the target.

[0146] The target type determines the inherent performance of the target itself (speed of movement, maneuverability, shell thickness, impact capability, target size, target weight, etc.), thus reflecting the target's ability to influence the launch area, and also reflects its threat level to a large extent.

[0147] Most of the targets in the airspace of the first launch zone are in flight. The higher the overlap between the time window of the target's flight in the first launch zone and the time window of the no-fly requirement, the greater the impact on the safety of the first launch zone.

[0148] The target interference capability reflects the impact of targets in the airspace of the first launch zone on the communication, detection, monitoring and other performance of maritime threat launches. The stronger the target interference capability, the greater the damage to the equipment launched from the offshore platform and the greater the threat to the first launch zone.

[0149] Reference Figure 6 , a complete flow chart of a method for improving the success rate of an offshore platform launch based on threat analysis in an embodiment of the present application, comprising the following steps:

[0150] S61. Determine the threat factors of air targets to the launch area of ​​the sea platform;

[0151] S62. Determine a membership mapping representing a threat factor;

[0152] S621. Constructing a launch mission style membership mapping;

[0153] S622. Constructing a target projection distance membership map;

[0154] S623. Construct target type membership mapping;

[0155] S624. Constructing a target flight time window membership map;

[0156] S625. Construct target jamming capability membership mapping;

[0157] S63. Construct target threat assessment radar chart;

[0158] S631. Obtain threat factor weight vector;

[0159] S632. Obtain target threat vector;

[0160] S633. Generate a target threat weighted vector;

[0161] S634. Construct radar chart;

[0162] S64. Calculate the target threat assessment radar chart area to obtain the target threat value

[0163] S65. Generate target threat analysis results.

[0164] Reference Figure 7 In a second aspect, the present application also provides a device for improving the launch success rate of an offshore platform based on threat analysis, comprising:

[0165] The factor determination module 710 is used to determine the threat factor set of the aerial target to the launch first area of ​​the marine platform;

[0166] A function construction module 720, used to construct a membership mapping of each threat factor in the threat factor set;

[0167] A radar chart construction module 730 is used to obtain a weight value of each threat factor, obtain a weighted threat vector based on the membership mapping and the weight value, and construct a target threat assessment radar chart according to the weighted threat vector;

[0168] The analysis module 740 is used to obtain a target threat value according to the area of ​​the target threat assessment radar chart, obtain a threat analysis result of the air target based on the target threat value, and perform a sea platform launch based on the threat analysis result.

[0169] It can be understood that the detailed functional implementation of each of the above-mentioned units / modules can be found in the introduction of the aforementioned method embodiment, and will not be repeated here.

[0170] It should be understood that the above-mentioned device is used to execute the method in the above-mentioned embodiment. The implementation principle and technical effect of the corresponding program module in the device are similar to those described in the above-mentioned method. The working process of the device can refer to the corresponding process in the above-mentioned method, which will not be repeated here.

[0171] Reference Figure 8Based on the method in the above embodiment, the embodiment of the present application provides an electronic device, which may include: a processor (processor) 810, a communication interface (Communications Interface) 820, a memory (memory) 830 and a communication bus 840, wherein the processor 810, the communication interface 820, and the memory 830 communicate with each other through the communication bus 840. The processor 810 can call the logic instructions in the memory 830 to execute the method in the above embodiment.

[0172] In addition, the logic instructions in the above-mentioned memory 830 can be implemented in the form of a software functional unit and can be stored in a computer-readable storage medium when it is sold or used as an independent product. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art, or the part of the technical solution, can be embodied in the form of a software product, which is stored in a storage medium and includes a number of instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present application.

[0173] Based on the method in the above embodiment, an embodiment of the present application provides a computer-readable storage medium, which stores a computer program. When the computer program runs on a processor, the processor executes the method in the above embodiment.

[0174] Based on the method in the above embodiment, an embodiment of the present application provides a computer program product. When the computer program product runs on a processor, the processor executes the method in the above embodiment.

[0175] It is understandable that the processor in the embodiment of the present application can be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSP), application specific integrated circuits (ASIC), field programmable gate arrays (FPGA) or other programmable logic devices, transistor logic devices, hardware components or any combination thereof. The general-purpose processor can be a microprocessor or any conventional processor.

[0176] The method steps in the embodiments of the present application can be implemented by hardware or by a processor executing software instructions. The software instructions can be composed of corresponding software modules, and the software modules can be stored in random access memory (RAM), flash memory, read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), registers, hard disks, mobile hard disks, CD-ROMs, or any other form of storage medium known in the art. An exemplary storage medium is coupled to a processor so that the processor can read information from the storage medium and write information to the storage medium. Of course, the storage medium can also be a component of the processor. The processor and the storage medium can be located in an ASIC.

[0177] In the above embodiments, it can be implemented in whole or in part by software, hardware, firmware or any combination thereof. When implemented using software, it can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the process or function described in the embodiment of the present application is generated in whole or in part. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions may be stored in a computer-readable storage medium or transmitted through the computer-readable storage medium. The computer instructions may be transmitted from a website site, a computer, a server or a data center to another website site, a computer, a server or a data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The computer-readable storage medium may be any available medium that a computer can access or a data storage device such as a server or a data center that includes one or more available media integrated. The available medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a solid state disk (SSD)), etc.

[0178] It should be understood that the various numerical numbers involved in the embodiments of the present application are only used for the convenience of description and are not used to limit the scope of the embodiments of the present application.

[0179] It will be easily understood by those skilled in the art that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. A method for improving the success rate of offshore platform launch based on threat analysis, characterized in that: include: Determine the set of threat factors of air targets to the launch zone of the sea platform; Constructing a membership mapping of each threat factor in the threat factor set; Obtaining a weight value of each threat factor, obtaining a weighted threat vector based on the membership mapping and the weight value, and constructing a target threat assessment radar chart according to the weighted threat vector; Obtaining a target threat value according to the area of ​​the target threat assessment radar chart, obtaining a threat analysis result of the aerial target based on the target threat value, and performing a sea platform launch based on the threat analysis result; The threat factor set includes: launch mission style, target projection distance, target type, target flight time window and target jamming capability; The constructing a membership map of each threat factor in the threat factor set includes: Determine safety requirements according to the fuel type, weight and number of satellites carried by the launch rocket, and establish a first sub-mapping corresponding to the launch mission pattern according to the safety requirements; Acquire the projection distance of the aerial target, and establish a second sub-mapping corresponding to the target projection distance according to the projection distance; Determine target performance according to the target type of the aerial target, determine the influence capability of the aerial target on the transmitting first zone according to the target performance, and establish a third sub-mapping corresponding to the target type according to the influence capability; Calculate the flight time window from the vertical direction and the horizontal direction, and establish a fourth sub-mapping of the target flight time window according to the flight time window; Acquire a strength level of the jamming capability of the aerial target, and establish a fifth sub-mapping of the jamming capability of the target based on the strength level; The acquiring the projection distance of the aerial target and establishing a second sub-mapping corresponding to the target projection distance according to the projection distance includes: Projecting the position of the aerial target onto the horizontal plane where the offshore launch platform is located to obtain projection data; Determine a projection type of the projection data, wherein the projection type includes a projection point, a projection line segment, and a projection surface; Taking the projection point of the launch frame on the horizontal plane as the center origin, and obtaining the projection distance from the projection data to the center origin based on the projection type; The projection distance is combined with a preset distance threshold and a threat parameter to establish the second sub-mapping; The obtaining of the weight value of each threat factor and obtaining a weighted threat vector based on the membership mapping and the weight value include: Determine the weight value of each threat factor based on the expert survey method, and obtain the threat factor weight vector based on the weight value; Obtaining a threat factor value corresponding to the aerial target based on the membership mapping, and acquiring a target threat vector based on the threat factor value; The target threat vector and the threat factor weight vector are vector-weighted to obtain a weighted threat vector.

2. The method for improving the success rate of offshore platform launch based on threat analysis according to claim 1, characterized in that: The step of calculating the flight time window from the vertical direction and the horizontal direction and establishing the fourth sub-mapping of the target flight time window according to the flight time window includes: Determine the first time when the rocket reaches the target altitude based on the origin time and the launch trajectory, and calculate the second time when the current time of the target threat is relative to the launch time; The third time when the target flies away from the first launch area is obtained according to the target flight speed and the target projection distance; Adding the second time, the third time and the time error to obtain a fourth time; A fourth sub-mapping of the target flight time window is determined according to a comparison result of the fourth time and the first time.

3. The method for improving the success rate of offshore platform launch based on threat analysis according to claim 1, characterized in that: The threat analysis result of the aerial target obtained based on the target threat value includes: Traverse all n aerial targets in the launch first area to obtain target threat values ​​of the n aerial targets, where n is a positive integer; The threat values ​​of the targets are sorted from large to small to obtain the threat analysis results of the n targets in the first transmitting area.

4. The method for improving the success rate of launching an offshore platform based on threat analysis according to any one of claims 1 to 3, characterized in that: The set of threat factors for determining the air target to the launch zone of the sea platform includes: Analyze the airspace requirements of the first launch area of ​​the offshore platform and the characteristics of potential air targets in the first launch area; Based on the requirements and characteristics, a set of threat factors representing the target threat is selected.

5. A device for improving the success rate of offshore platform launch based on threat analysis, characterized in that: include: A factor determination module, used to determine the threat factor set of the air target to the launch area of ​​the marine platform; A function construction module, used to construct a membership mapping of each threat factor in the threat factor set; A radar chart construction module is used to obtain the weight value of each threat factor, obtain a weighted threat vector based on the membership mapping and the weight value, and construct a target threat assessment radar chart according to the weighted threat vector; An analysis module, configured to obtain a target threat value according to the area of ​​the target threat assessment radar chart, obtain a threat analysis result of the aerial target based on the target threat value, and perform offshore platform launch based on the threat analysis result; The threat factor set includes: launch mission style, target projection distance, target type, target flight time window and target jamming capability; The constructing a membership map of each threat factor in the threat factor set includes: Determine safety requirements according to the fuel type, weight and number of satellites carried by the launch rocket, and establish a first sub-mapping corresponding to the launch mission pattern according to the safety requirements; Acquire the projection distance of the aerial target, and establish a second sub-mapping corresponding to the target projection distance according to the projection distance; Determine target performance according to the target type of the aerial target, determine the influence capability of the aerial target on the transmitting first zone according to the target performance, and establish a third sub-mapping corresponding to the target type according to the influence capability; Calculate the flight time window from the vertical direction and the horizontal direction, and establish a fourth sub-mapping of the target flight time window according to the flight time window; Acquire a strength level of the jamming capability of the aerial target, and establish a fifth sub-mapping of the jamming capability of the target based on the strength level; The acquiring the projection distance of the aerial target and establishing a second sub-mapping corresponding to the target projection distance according to the projection distance includes: Projecting the position of the aerial target onto the horizontal plane where the offshore launch platform is located to obtain projection data; Determine a projection type of the projection data, wherein the projection type includes a projection point, a projection line segment, and a projection surface; Taking the projection point of the launch frame on the horizontal plane as the center origin, and obtaining the projection distance from the projection data to the center origin based on the projection type; The projection distance is combined with a preset distance threshold and a threat parameter to establish the second sub-mapping; The obtaining of the weight value of each threat factor and obtaining a weighted threat vector based on the membership mapping and the weight value include: Determine the weight value of each threat factor based on the expert survey method, and obtain the threat factor weight vector based on the weight value; Obtaining a threat factor value corresponding to the aerial target based on the membership mapping, and acquiring a target threat vector based on the threat factor value; The target threat vector and the threat factor weight vector are vector-weighted to obtain a weighted threat vector.

6. An electronic device, characterized in that: include: at least one memory for storing a computer program; At least one processor is used to execute the program stored in the memory. When the program stored in the memory is executed, the processor is used to execute the method according to any one of claims 1 to 4.

7. A computer-readable storage medium storing a computer program, characterized in that: When the computer program runs on a processor, the processor is caused to execute the method according to any one of claims 1 to 4.

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