Military equipment maintenance support equipment diagnosis, examination and evaluation method

Abstract

The invention relates to the field of military insurance equipment diagnosis, examination and evaluation, and particularly discloses a military equipment maintenance support equipment diagnosis, examination and evaluation method, which comprises the following steps of: analyzing a performance index coincidence index of each piece of military insurance equipment by acquiring a diagnosis accuracy coefficient and a detection rapidity coefficient of the military insurance equipment; the fault rate, the average fault-free duration and the maintainability coefficient of each military insurance device are obtained, and the reliability index coincidence index of each military insurance device is analyzed; obtaining a maintenance period trend curve and a maintenance cost trend curve of each military protection device, and analyzing a maintenance index conformance index of each military protection device; further evaluating a comprehensive assessment evaluation index of each military insurance device; qualitative and quantitative analysis and comprehensive examination and evaluation are performed on the military equipment maintenance support equipment from multi-dimensional and multi-aspect indexes, so that comprehensive and objective diagnosis, examination and evaluation on the military equipment maintenance support equipment are realized, and a scientific basis is provided for model selection, use and improvement of the military equipment maintenance support equipment.

Description

Technical Field

[0001] The invention relates to the field of military equipment diagnosis, assessment and evaluation, and particularly to a method for diagnosis, assessment and evaluation of military equipment maintenance and support equipment. Background Art

[0002] Military equipment maintenance and support equipment is a special tool and facility used to test, repair, maintain and support various types of military equipment. It is an indispensable and important part of the modern army. It plays a vital role in maintaining equipment performance, improving combat capabilities and reducing equipment costs. Military equipment maintenance and support equipment covers multiple aspects, from testing and diagnostic equipment to maintenance tools, from parts supply support facilities to comprehensive maintenance platforms, providing a full range of maintenance and support services for military equipment.

[0003] The diagnosis, assessment and evaluation of military equipment maintenance and support equipment is of great significance and role in improving the combat effectiveness of the army, ensuring the quality of equipment maintenance, optimizing resource allocation, etc. By carrying out effective diagnosis, assessment and evaluation work, a solid guarantee can be provided for the modernization of the army and the smooth completion of combat missions.

[0004] However, the existing diagnosis, assessment and evaluation methods for military equipment maintenance and support equipment have some shortcomings: on the one hand, most of the existing methods rely on technical personnel to conduct assessment and evaluation of military equipment maintenance and support equipment based on their experience, lack of data support and quantitative analysis, and have a certain degree of subjectivity, which makes the credibility of the assessment and evaluation results of military equipment maintenance and support equipment low.

[0005] On the other hand, the dimensions and indicators of existing methods for assessing and evaluating military equipment maintenance and support equipment are relatively simple and not diverse enough, which makes the assessment and evaluation system of military equipment maintenance and support equipment incomplete, and further makes the reliability of the assessment and evaluation results of military equipment maintenance and support equipment relatively low. Summary of the invention

[0006] In response to the above problems, the present invention proposes a method for diagnosing, assessing and evaluating maintenance and support equipment for military equipment. The specific technical solution is as follows: A method for diagnosing, assessing and evaluating maintenance and support equipment for military equipment, comprising the following steps: Step 1, obtaining performance index information of military support equipment: obtaining information related to performance indexes of each maintenance and support equipment of military equipment, and recording it as information related to performance indexes of each military support equipment, wherein the information related to performance indexes includes a diagnostic accuracy coefficient and a detection rapidity coefficient.

[0007] Step 2: Analysis of military equipment performance index information: Analyze the performance index compliance index of each military equipment based on the relevant information of the performance index of each military equipment.

[0008] Step 3. Obtaining reliability index information of military maintenance equipment: Obtain information related to the reliability index of each military maintenance equipment, where the reliability index related information includes failure rate, mean time between failures, and maintainability coefficient.

[0009] Step 4: Analysis of reliability index information of military equipment: Analyze the reliability index compliance index of each military equipment based on the relevant information of the reliability index of each military equipment.

[0010] Step 5. Obtaining maintenance index information of military equipment: Obtaining information related to maintenance indexes of each military equipment, wherein the information related to maintenance indexes includes a maintenance cycle trend curve and a maintenance cost trend curve.

[0011] Step 6. Analysis of maintenance index information of military equipment: Analyze the compliance index of maintenance index of each military equipment according to the relevant information of maintenance index of each military equipment.

[0012] Step 7. Comprehensive assessment and evaluation of military maintenance equipment and feedback: Based on the performance index compliance index, reliability index compliance index and maintenance index compliance index of each military maintenance equipment, evaluate the comprehensive assessment and evaluation index of each military maintenance equipment and provide feedback.

[0013] Based on the above embodiment, the specific analysis process of step one includes: obtaining the type of each faulty military equipment historically diagnosed by each maintenance and support equipment of military equipment, the time used for detection, the diagnosis result information and the actual fault information, and recording it as the type of each faulty military equipment historically diagnosed by each maintenance and support equipment of military equipment, the time used for detection, the diagnosis result information and the actual fault information.

[0014] According to the diagnosis result information and actual fault information of each faulty military equipment diagnosed historically by each military maintenance equipment, the diagnosed fault cause and actual fault cause of each faulty military equipment diagnosed historically by each military maintenance equipment are obtained.

[0015] The diagnosed fault causes of each faulty military equipment historically diagnosed by each military maintenance equipment are compared with the actual fault causes of the faulty military equipment. If the diagnosed fault cause of a faulty military equipment historically diagnosed by a certain military maintenance equipment is consistent with the actual fault cause of the faulty military equipment, the faulty military equipment is recorded as the faulty military equipment historically correctly diagnosed by the military maintenance equipment. If the diagnosed fault cause of a faulty military equipment historically diagnosed by a certain military maintenance equipment is inconsistent with the actual fault cause of the faulty military equipment, the faulty military equipment is recorded as the faulty military equipment historically incorrectly diagnosed by the military maintenance equipment. The faulty military equipment historically correctly diagnosed by each military maintenance equipment and the faulty military equipment historically incorrectly diagnosed are counted to obtain the number of faulty military equipment historically correctly diagnosed by each military maintenance equipment and the number of faulty military equipment historically incorrectly diagnosed, and record them as i represents the number of the i-th military protection equipment, i=1,2,...,n.

[0016] According to the types of each faulty military equipment diagnosed historically by each military maintenance equipment, the types of each faulty military equipment diagnosed correctly historically by each military maintenance equipment and the types of each faulty military equipment diagnosed incorrectly historically by each military maintenance equipment are screened, and the influence weight factors of each type of military equipment are set. The influence weight factors of each faulty military equipment diagnosed correctly historically by each military maintenance equipment and the influence weight factors of each faulty military equipment diagnosed incorrectly historically are further screened and recorded as j represents the number of the j-th faulty military equipment correctly diagnosed in history, j=1, 2, ..., m, and j′ represents the number of the j′-th faulty military equipment incorrectly diagnosed in history, j′=1, 2, ..., m′.

[0017] By analyzing the formula Get the diagnostic accuracy coefficient of each military protection equipment Where α1 represents the correction factor of the preset diagnostic accuracy coefficient.

[0018] On the basis of the above embodiment, the specific analysis process of step 1 also includes: extracting the reference detection time corresponding to each fault cause of each type of military equipment stored in the database, and screening out the reference detection time of each fault military equipment diagnosed in the history of each military equipment according to the type and actual fault cause of each military equipment, and recording it as J represents the number of the Jth faulty military equipment diagnosed in history, J=1,2,...,M.

[0019] The time taken to detect each faulty military equipment in the historical diagnosis of each military equipment is recorded as t iJ .

[0020] According to the types of each faulty military equipment diagnosed in the history of each military maintenance equipment, the influence weight factor of each faulty military equipment diagnosed in the history of each military maintenance equipment is selected and recorded as δ iJ .

[0021] By analyzing the formula Get the detection rapidity coefficient of each military protection equipment Wherein α2 represents the correction factor of the preset detection rapidity coefficient, and e represents a natural constant.

[0022] Based on the above embodiment, the specific analysis process of step 2 is: the diagnostic accuracy coefficient of each military protection equipment and detection rapidity coefficient Substitute into the analysis formula Get the performance index of each military equipment where β1设 , β 2设 They respectively represent the threshold values ​​of the preset diagnostic accuracy coefficient and the detection rapidity coefficient, ε1 and ε2 respectively represent the weights of the preset diagnostic accuracy coefficient and the detection rapidity coefficient, and ε1+ε2=1.

[0023] Based on the above embodiment, the specific analysis process of step three is as follows: A1: Obtain the historical number of failures and the total operating time of each military protection equipment, divide the historical number of failures of each military protection equipment by its total operating time, and obtain the failure rate of each military protection equipment, which is recorded as p i .

[0024] A2: Obtain the interval between each failure of each military maintenance equipment and the previous failure, and calculate the average value to obtain the average trouble-free time of each military maintenance equipment, which is recorded as

[0025] A3: Extract the maintenance complexity and preventive maintenance difficulty of each military equipment stored in the database.

[0026] Obtain the maintenance time and maintenance cost of each historical failure of each military maintenance equipment, calculate the average value respectively, and obtain the average maintenance time and average maintenance cost of each historical failure of each military maintenance equipment.

[0027] Substitute the maintenance complexity, preventive maintenance difficulty, average maintenance time of historical failures and average maintenance cost of historical failures of each military maintenance equipment into the preset relationship function between the maintenance complexity, preventive maintenance difficulty, maintenance time and maintenance cost and the maintainability coefficient to obtain the maintainability coefficient of each military maintenance equipment, which is recorded as

[0028] Based on the above embodiment, the specific analysis process of step 4 is as follows: the failure rate p of each military protection equipment i , MTBF and maintainability factor Substitute into the analysis formula Obtain the reliability index of each military equipment Where μ represents the correction factor of the preset reliability index compliance index, They represent the failure rate threshold and mean time between failures threshold of the i-th military equipment stored in the database, represents the preset threshold value of the maintainability coefficient, γ1, γ2, and γ3 represent the preset failure rate, mean time between failures, and weights of the maintainability coefficient, respectively, and γ1+γ2+γ3=1.

[0029] Based on the above embodiment, the specific analysis process of step five is: B1: obtain the time point of each historical maintenance of each military maintenance equipment, and further obtain the interval between each historical maintenance of each military maintenance equipment and the adjacent previous maintenance, and record it as the maintenance cycle of each historical maintenance of each military maintenance equipment.

[0030] A coordinate system is established with the time points of historical maintenance as the horizontal axis and the maintenance cycle as the vertical axis. According to the maintenance cycles of various historical maintenance of various military maintenance equipment, the corresponding data points are marked in the coordinate system, and the maintenance cycle trend curves of various military maintenance equipment are drawn using the method of establishing mathematical models.

[0031] B2: Obtain the time points and costs of each historical maintenance of each military maintenance equipment, establish a coordinate system with the time points of historical maintenance as the horizontal axis and the maintenance cost as the vertical axis, mark the corresponding data points in the coordinate system according to the historical maintenance costs of each military maintenance equipment, and use the mathematical model establishment method to draw the maintenance cost trend curve of each military maintenance equipment.

[0032] Based on the above embodiment, the specific analysis process of step 6 includes: obtaining the function corresponding to the maintenance cycle trend curve of each military maintenance equipment, which is recorded as f i (t).

[0033] Extract the reference maintenance cycle trend curve of each military maintenance equipment stored in the database, obtain the function corresponding to the reference maintenance cycle trend curve of each military maintenance equipment, and record it as

[0034] By analyzing the formula Obtained the first compliance index of maintenance indicators of various military equipment Among them, λ1 represents the correction factor of the first conformity index of the preset maintenance index, and t1 and t2 represent the time points of the first and last maintenance of the military equipment in history, respectively.

[0035] Based on the above embodiment, the specific analysis process of step 6 also includes: obtaining the function corresponding to the maintenance cost trend curve of each military maintenance equipment, and recording it as

[0036] Extract the reference maintenance cost trend curve of each military maintenance equipment stored in the database, obtain the function corresponding to the reference maintenance cost trend curve of each military maintenance equipment, and record it as

[0037] By analyzing the formula Obtained the second highest compliance index for maintenance indicators of various military equipment Where λ2 represents the correction factor of the second compliance index of the preset maintenance index, t beg ,t endThey respectively represent the time points of the first and last maintenance in history of military equipment.

[0038] The maintenance index of each military equipment is the first to meet the index The second most consistent index with maintenance index Substitute into the analysis formula Obtain the maintenance index compliance index of each military equipment κ 1设 , κ 2设 They respectively represent the thresholds of the first conformity index and the second conformity index of the preset maintenance index, σ1 and σ2 respectively represent the weights of the first conformity index and the second conformity index of the preset maintenance index, and σ1+σ2=1.

[0039] Based on the above embodiment, the specific analysis process of step seven is: calculate the weighted average of the performance index compliance index, reliability index compliance index, and maintenance index compliance index of each military maintenance equipment, obtain the comprehensive assessment index of each military maintenance equipment, and feed it back to the relevant departments.

[0040] Compared with the prior art, the military equipment maintenance and support equipment diagnosis, assessment and evaluation method described in the present invention has the following beneficial effects: 1. The present invention conducts qualitative and quantitative analysis of military equipment maintenance and support equipment based on relevant data of performance indicators, reliability indicators, and maintenance indicators of military equipment maintenance and support equipment, thereby improving the credibility and accuracy of the assessment results of military equipment maintenance and support equipment.

[0041] 2. The present invention obtains relevant information on performance indicators, reliability indicators, and maintenance indicators of military equipment maintenance and support equipment, analyzes the performance indicator compliance index, reliability indicator compliance index, and maintenance indicator compliance index of military equipment maintenance and support equipment, and conducts comprehensive assessment and evaluation of military equipment maintenance and support equipment from multiple dimensions and aspects, thereby improving the assessment and evaluation system of military equipment maintenance and support equipment, thereby improving the reliability of the assessment and evaluation results of military equipment maintenance and support equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0043] Figure 1 It is a schematic diagram of the method flow of the present invention.

[0044] Figure 2 It is a structural block diagram of the present invention. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] See also Figure 1 and Figure 2 As shown, the present invention provides a method for diagnosing, assessing and evaluating military equipment maintenance and support equipment, comprising the following steps: Step 1, obtaining performance index information of military support equipment: obtaining performance index-related information of each maintenance and support equipment of military equipment, and recording it as performance index-related information of each military support equipment, wherein the performance index-related information includes a diagnostic accuracy coefficient and a detection rapidity coefficient.

[0047] As a preferred solution, the specific analysis process of step one includes: obtaining the type of each faulty military equipment historically diagnosed by each maintenance and support equipment of military equipment, the time used for detection, the diagnosis result information and the actual fault information, and recording it as the type of each faulty military equipment historically diagnosed by each military support equipment, the time used for detection, the diagnosis result information and the actual fault information.

[0048] It should be noted that the types of military equipment maintenance and support equipment include but are not limited to: testing equipment, repair tools, maintenance equipment, debugging equipment, support facilities, etc.

[0049] It should be noted that the detection time refers to the time required for the military protection equipment to start detection and give a diagnostic result.

[0050] According to the diagnosis result information and actual fault information of each faulty military equipment diagnosed historically by each military maintenance equipment, the diagnosed fault cause and actual fault cause of each faulty military equipment diagnosed historically by each military maintenance equipment are obtained.

[0051] The diagnosed fault causes of each faulty military equipment historically diagnosed by each military maintenance equipment are compared with the actual fault causes of the faulty military equipment. If the diagnosed fault cause of a faulty military equipment historically diagnosed by a certain military maintenance equipment is consistent with the actual fault cause of the faulty military equipment, the faulty military equipment is recorded as the faulty military equipment historically correctly diagnosed by the military maintenance equipment. If the diagnosed fault cause of a faulty military equipment historically diagnosed by a certain military maintenance equipment is inconsistent with the actual fault cause of the faulty military equipment, the faulty military equipment is recorded as the faulty military equipment historically incorrectly diagnosed by the military maintenance equipment. The faulty military equipment historically correctly diagnosed by each military maintenance equipment and the faulty military equipment historically incorrectly diagnosed are counted to obtain the number of faulty military equipment historically correctly diagnosed by each military maintenance equipment and the number of faulty military equipment historically incorrectly diagnosed, and record them as i represents the number of the i-th military protection equipment, i=1,2,...,n.

[0052] According to the types of each faulty military equipment diagnosed historically by each military maintenance equipment, the types of each faulty military equipment diagnosed correctly historically by each military maintenance equipment and the types of each faulty military equipment diagnosed incorrectly historically by each military maintenance equipment are screened, and the influence weight factors of each type of military equipment are set. The influence weight factors of each faulty military equipment diagnosed correctly historically by each military maintenance equipment and the influence weight factors of each faulty military equipment diagnosed incorrectly historically are further screened and recorded as j represents the number of the j-th faulty military equipment correctly diagnosed in history, j=1, 2, ..., m, and j′ represents the number of the j′-th faulty military equipment incorrectly diagnosed in history, j′=1, 2, ..., m′.

[0053] By analyzing the formula Get the diagnostic accuracy coefficient of each military protection equipment Where α1 represents the correction factor of the preset diagnostic accuracy coefficient.

[0054] As a preferred solution, the specific analysis process of step 1 also includes: extracting the reference detection time corresponding to each fault cause of each type of military equipment stored in the database, and screening out the reference detection time of each fault military equipment diagnosed in the history of each military equipment according to the type and actual fault cause of each military equipment, and recording it as J represents the number of the Jth faulty military equipment diagnosed in history, J=1,2,...,M.

[0055] It should be noted that the reference detection time corresponding to each failure cause of each type of military equipment stored in the database is obtained based on historical experience.

[0056] The time taken to detect each faulty military equipment in the historical diagnosis of each military equipment is recorded as t iJ.

[0057] According to the types of each faulty military equipment diagnosed in the history of each military maintenance equipment, the influence weight factor of each faulty military equipment diagnosed in the history of each military maintenance equipment is selected and recorded as δ iJ .

[0058] By analyzing the formula Get the detection rapidity coefficient of each military protection equipment Wherein α2 represents the correction factor of the preset detection rapidity coefficient, and e represents a natural constant.

[0059] Step 2: Analysis of military equipment performance index information: Analyze the performance index compliance index of each military equipment based on the relevant information of the performance index of each military equipment.

[0060] As a preferred solution, the specific analysis process of step 2 is: the diagnostic accuracy coefficient of each military protection equipment and detection rapidity coefficient Substitute into the analysis formula Get the performance index of each military equipment where β 1设 , β 2设 They respectively represent the threshold values ​​of the preset diagnostic accuracy coefficient and the detection rapidity coefficient, ε1 and ε2 respectively represent the weights of the preset diagnostic accuracy coefficient and the detection rapidity coefficient, and ε1+ε2=1.

[0061] Step 3. Obtaining reliability index information of military maintenance equipment: Obtain information related to the reliability index of each military maintenance equipment, where the reliability index related information includes failure rate, mean time between failures, and maintainability coefficient.

[0062] As a preferred solution, the specific analysis process of step three is as follows: A1: Obtain the historical number of failures and total operating time of each military protection equipment, divide the historical number of failures of each military protection equipment by its total operating time, and obtain the failure rate of each military protection equipment, which is recorded as p i .

[0063] It should be noted that the failure rate indicates the number of times military maintenance equipment fails within a certain period of time.

[0064] It should be noted that information related to military maintenance equipment failures can be obtained through the maintenance records, failure reports and feedback from operators of the military maintenance equipment.

[0065] A2: Obtain the interval between each failure of each military maintenance equipment and the previous failure, and calculate the average value to obtain the average trouble-free time of each military maintenance equipment, which is recorded as

[0066] It should be noted that the mean time between failures refers to the average operating time of military maintenance equipment between two failures. It is an important indicator for measuring the reliability of military maintenance equipment and reflects the stability and durability of military maintenance equipment.

[0067] In another specific embodiment, the total operating time of each military protection equipment is divided by the number of historical failures to obtain the average trouble-free time of each military protection equipment.

[0068] A3: Extract the maintenance complexity and preventive maintenance difficulty of each military equipment stored in the database.

[0069] It should be noted that the complexity of military equipment maintenance is comprehensively assessed based on the difficulty of military equipment fault diagnosis, the tools and equipment required for maintenance, and the skill requirements of maintenance personnel.

[0070] It should be noted that the maintenance complexity of each military maintenance equipment stored in the database can be obtained through actual maintenance case analysis, the readability and practicality of the maintenance manual, and the feedback from maintenance personnel.

[0071] It should be noted that the difficulty of preventive maintenance is to assess whether military equipment is easy to perform preventive maintenance, such as regular inspection, cleaning, lubrication, calibration, etc.

[0072] It should be noted that the difficulty of preventive maintenance of military equipment can be evaluated by examining the equipment's maintenance manual, preventive maintenance plan, and actual implementation.

[0073] Obtain the maintenance time and maintenance cost of each historical failure of each military maintenance equipment, calculate the average value respectively, and obtain the average maintenance time and average maintenance cost of each historical failure of each military maintenance equipment.

[0074] It should be noted that maintenance time refers to the time required for military maintenance equipment to resume normal operation from the occurrence of a failure, and the maintenance time includes fault diagnosis time, maintenance preparation time, actual maintenance time, testing and verification time, etc.

[0075] It should be noted that the maintenance duration of military equipment failures can be determined by collecting maintenance records, conducting simulated maintenance tests, or conducting on-site observations.

[0076] It should be noted that maintenance cost refers to the cost required for the maintenance of military equipment, including spare parts cost, labor cost, maintenance equipment and tool cost, etc.

[0077] It should be noted that the maintenance costs of military equipment failures can be calculated through maintenance records, spare parts purchase lists, and maintenance personnel's work time records.

[0078] Substitute the maintenance complexity, preventive maintenance difficulty, average maintenance time of historical failures and average maintenance cost of historical failures of each military maintenance equipment into the preset relationship function between the maintenance complexity, preventive maintenance difficulty, maintenance time and maintenance cost and the maintainability coefficient to obtain the maintainability coefficient of each military maintenance equipment, which is recorded as

[0079] It should be noted that the lower the maintenance difficulty, the better the maintainability of military maintenance equipment.

[0080] It should be noted that the shorter the maintenance time, the better the maintainability of the military maintenance equipment.

[0081] It should be noted that the lower the maintenance cost, the better the maintainability of military maintenance equipment.

[0082] It should be noted that preventive maintenance can reduce the occurrence of military equipment failures and improve the reliability and maintainability of military equipment.

[0083] Step 4: Analysis of reliability index information of military equipment: Analyze the reliability index compliance index of each military equipment based on the relevant information of the reliability index of each military equipment.

[0084] As a preferred solution, the specific analysis process of step 4 is: the failure rate p of each military protection equipment i , MTBF and maintainability factor Substitute into the analysis formula Obtain the reliability index of each military equipment Where μ represents the correction factor of the preset reliability index compliance index, They represent the failure rate threshold and mean time between failures threshold of the i-th military equipment stored in the database, represents the preset threshold value of the maintainability coefficient, γ1, γ2, and γ3 represent the preset failure rate, mean time between failures, and weights of the maintainability coefficient, respectively, and γ1+γ2+γ3=1.

[0085] It should be noted that the lower the failure rate of military protection equipment, the higher the reliability of the military protection equipment.

[0086] It should be noted that the longer the mean trouble-free time of military protection equipment, the higher the reliability of the military protection equipment, which means that the military protection equipment can operate normally without failure for a longer period of time.

[0087] Step 5. Obtaining maintenance index information of military equipment: Obtaining information related to maintenance indexes of each military equipment, wherein the information related to maintenance indexes includes a maintenance cycle trend curve and a maintenance cost trend curve.

[0088] As a preferred solution, the specific analysis process of step five is: B1: obtain the time point of each historical maintenance of each military maintenance equipment, and further obtain the interval between each historical maintenance of each military maintenance equipment and the adjacent previous maintenance, and record it as the maintenance cycle of each historical maintenance of each military maintenance equipment.

[0089] It should be noted that the maintenance cycle of the first maintenance in the history of military equipment is the interval between the time point of the first maintenance in the history of the military equipment and the set time point, such as the time point when it began to be put into use.

[0090] A coordinate system is established with the time points of historical maintenance as the horizontal axis and the maintenance cycle as the vertical axis. According to the maintenance cycles of various historical maintenance of various military maintenance equipment, the corresponding data points are marked in the coordinate system, and the maintenance cycle trend curves of various military maintenance equipment are drawn using the method of establishing mathematical models.

[0091] It should be noted that with the aging and performance degradation of military maintenance equipment, the intervals between maintenance of military maintenance equipment gradually become shorter, that is, the maintenance cycle gradually becomes shorter, and thus the maintenance cycle trend curve of military maintenance equipment shows a downward trend.

[0092] B2: Obtain the time points and costs of each historical maintenance of each military maintenance equipment, establish a coordinate system with the time points of historical maintenance as the horizontal axis and the maintenance cost as the vertical axis, mark the corresponding data points in the coordinate system according to the historical maintenance costs of each military maintenance equipment, and use the mathematical model establishment method to draw the maintenance cost trend curve of each military maintenance equipment.

[0093] It should be noted that maintenance cost refers to the cost required for maintenance of military equipment, including consumables, spare parts and labor costs.

[0094] It should be noted that the maintenance cycle and maintenance cost of military equipment can be obtained by checking the maintenance records of military equipment.

[0095] It should be noted that with the aging and performance degradation of military maintenance equipment, the cost of maintaining military maintenance equipment continues to increase, and the trend curve of the maintenance cost of military maintenance equipment shows an upward trend.

[0096] Step 6. Analysis of maintenance index information of military equipment: Analyze the compliance index of maintenance index of each military equipment according to the relevant information of maintenance index of each military equipment.

[0097] As a preferred solution, the specific analysis process of step 6 includes: obtaining the function corresponding to the maintenance cycle trend curve of each military maintenance equipment, and recording it as f i (t).

[0098] Extract the reference maintenance cycle trend curve of each military maintenance equipment stored in the database, obtain the function corresponding to the reference maintenance cycle trend curve of each military maintenance equipment, and record it as

[0099] It should be noted that the reference maintenance cycle trend curves of various military maintenance equipment stored in the database are obtained based on historical experience.

[0100] By analyzing the formula Obtained the first compliance index of maintenance indicators of various military equipment Among them, λ1 represents the correction factor of the first conformity index of the preset maintenance index, and t1 and t2 represent the time points of the first and last maintenance of the military equipment in history, respectively.

[0101] As a preferred solution, the specific analysis process of step 6 also includes: obtaining the function corresponding to the maintenance cost trend curve of each military maintenance equipment, and recording it as

[0102] Extract the reference maintenance cost trend curve of each military maintenance equipment stored in the database, obtain the function corresponding to the reference maintenance cost trend curve of each military maintenance equipment, and record it as

[0103] It should be noted that the reference maintenance cost trend curves of various military maintenance equipment stored in the database are obtained based on historical experience.

[0104] By analyzing the formula Obtained the second highest compliance index for maintenance indicators of various military equipment Where λ2 represents the correction factor of the second compliance index of the preset maintenance index, t beg ,t end They respectively represent the time points of the first and last maintenance in history of military equipment.

[0105] The maintenance index of each military equipment is the first to meet the index The second most consistent index with maintenance index Substitute into the analysis formula Obtain the maintenance index compliance index of each military equipment κ 1设 , κ 2设 They respectively represent the thresholds of the first conformity index and the second conformity index of the preset maintenance index, σ1 and σ2 respectively represent the weights of the first conformity index and the second conformity index of the preset maintenance index, and σ1+σ2=1.

[0106] Step 7. Comprehensive assessment and evaluation of military maintenance equipment and feedback: Based on the performance index compliance index, reliability index compliance index and maintenance index compliance index of each military maintenance equipment, evaluate the comprehensive assessment and evaluation index of each military maintenance equipment and provide feedback.

[0107] As a preferred solution, the specific analysis process of step seven is: calculate the weighted average of the performance index compliance index, reliability index compliance index, and maintenance index compliance index of each military maintenance equipment, obtain the comprehensive assessment index of each military maintenance equipment, and feed it back to the relevant departments.

[0108] It should be noted that the weights of the performance index compliance index, the reliability index compliance index, and the maintenance index compliance index are set values, and the cumulative sum is 1.

[0109] In this embodiment, the present invention conducts qualitative and quantitative analysis on military equipment maintenance and support equipment based on relevant data of performance indicators, reliability indicators, and maintenance indicators of military equipment maintenance and support equipment, thereby improving the credibility and accuracy of the assessment results of military equipment maintenance and support equipment.

[0110] In this embodiment, the present invention obtains relevant information on performance indicators, reliability indicators, and maintenance indicators of military equipment maintenance and support equipment, analyzes the performance indicator compliance index, reliability indicator compliance index, and maintenance indicator compliance index of the military equipment maintenance and support equipment, and conducts a comprehensive assessment and evaluation of the military equipment maintenance and support equipment from multiple dimensions and multiple aspects, thereby improving the assessment and evaluation system of the military equipment maintenance and support equipment, thereby improving the reliability of the assessment and evaluation results of the military equipment maintenance and support equipment.

[0111] The above contents are merely examples and explanations of the concept of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the concept of the invention or exceed the scope defined by the present invention, they shall all fall within the protection scope of the present invention.

Claims

1. A method for diagnosing, assessing and evaluating military equipment maintenance and support equipment, characterized in that: The steps include: Step 1: Obtaining performance index information of military maintenance equipment: Obtaining relevant information about the performance index of each maintenance and support equipment of military equipment, and recording it as relevant information about the performance index of each military maintenance equipment, wherein the relevant information about the performance index includes the diagnostic accuracy coefficient and the detection rapidity coefficient; Step 2: Analysis of military equipment performance index information: Analyze the performance index compliance index of each military equipment based on the relevant information of the performance index of each military equipment; Step 3: Obtaining reliability index information of military maintenance equipment: Obtaining information related to the reliability index of each military maintenance equipment, wherein the reliability index related information includes failure rate, mean time between failures, and maintainability coefficient; Step 4: Analysis of reliability index information of military equipment: According to the reliability index related information of each military equipment, analyze the reliability index compliance index of each military equipment; Step 5: Obtaining maintenance index information of military equipment: Obtaining information related to maintenance indexes of each military equipment, wherein the information related to maintenance indexes includes a maintenance cycle trend curve and a maintenance cost trend curve; Step 6: Analysis of maintenance index information of military equipment: Analyze the compliance index of the maintenance index of each military equipment according to the relevant information of the maintenance index of each military equipment; Step 7. Comprehensive assessment and evaluation of military maintenance equipment and feedback: Based on the performance index compliance index, reliability index compliance index and maintenance index compliance index of each military maintenance equipment, evaluate the comprehensive assessment and evaluation index of each military maintenance equipment and provide feedback.

2. A method for diagnosing, assessing and evaluating military equipment maintenance and support equipment according to claim 1, characterized in that: The specific analysis process of step 1 includes: Obtain the type of each faulty military equipment historically diagnosed by each maintenance and support equipment of military equipment, the duration used for detection, the diagnosis result information, and the actual fault information, and record it as the type of each faulty military equipment historically diagnosed by each maintenance and support equipment of military equipment, the duration used for detection, the diagnosis result information, and the actual fault information; According to the diagnosis result information and actual fault information of each faulty military equipment diagnosed in history of each military maintenance equipment, the diagnosis fault cause and actual fault cause of each faulty military equipment diagnosed in history of each military maintenance equipment are obtained; The diagnosed fault causes of each faulty military equipment historically diagnosed by each military maintenance equipment are compared with the actual fault causes of the faulty military equipment. If the diagnosed fault cause of a faulty military equipment historically diagnosed by a certain military maintenance equipment is consistent with the actual fault cause of the faulty military equipment, the faulty military equipment is recorded as the faulty military equipment historically correctly diagnosed by the military maintenance equipment. If the diagnosed fault cause of a faulty military equipment historically diagnosed by a certain military maintenance equipment is inconsistent with the actual fault cause of the faulty military equipment, the faulty military equipment is recorded as the faulty military equipment historically incorrectly diagnosed by the military maintenance equipment. The faulty military equipment historically correctly diagnosed by each military maintenance equipment and the faulty military equipment historically incorrectly diagnosed are counted to obtain the number of faulty military equipment historically correctly diagnosed by each military maintenance equipment and the number of faulty military equipment historically incorrectly diagnosed, and record them as i represents the number of the i-th military protection equipment, i=1,2,...,n; According to the types of each faulty military equipment diagnosed historically by each military maintenance equipment, the types of each faulty military equipment diagnosed correctly historically by each military maintenance equipment and the types of each faulty military equipment diagnosed incorrectly historically by each military maintenance equipment are screened, and the influence weight factors of each type of military equipment are set. The influence weight factors of each faulty military equipment diagnosed correctly historically by each military maintenance equipment and the influence weight factors of each faulty military equipment diagnosed incorrectly historically are further screened and recorded as j represents the number of the j-th faulty military equipment that was correctly diagnosed in the history, j=1, 2, ..., m, j′ represents the number of the j′-th faulty military equipment that was incorrectly diagnosed in the history, j′=1, 2, ..., m′; By analyzing the formula Get the diagnostic accuracy coefficient of each military protection equipment Where α1 represents the correction factor of the preset diagnostic accuracy coefficient.

3. A method for diagnosing, assessing and evaluating military equipment maintenance and support equipment according to claim 2, characterized in that: The specific analysis process of step one also includes: Extract the reference detection time corresponding to each fault cause of each type of military equipment stored in the database, and filter out the reference detection time of each fault military equipment in the historical diagnosis of each military equipment according to the type and actual fault cause of each military equipment, and record it as J represents the number of the Jth faulty military equipment in historical diagnosis, J = 1, 2, ..., M; The time taken to detect each faulty military equipment in the historical diagnosis of each military equipment is recorded as t iJ ; According to the types of each faulty military equipment diagnosed in the history of each military maintenance equipment, the influence weight factor of each faulty military equipment diagnosed in the history of each military maintenance equipment is selected and recorded as δ iJ ; By analyzing the formula Get the detection rapidity coefficient of each military protection equipment Wherein α2 represents the correction factor of the preset detection rapidity coefficient, and e represents a natural constant.

4. A method for diagnosing, assessing and evaluating military equipment maintenance and support equipment according to claim 3, characterized in that: The specific analysis process of step 2 is as follows: The diagnostic accuracy coefficient of each military protection equipment and detection rapidity coefficient Substitute into the analysis formula Get the performance index of each military equipment where β 1设 , β 2设 They respectively represent the threshold values ​​of the preset diagnostic accuracy coefficient and the detection rapidity coefficient, ε1 and ε2 respectively represent the weights of the preset diagnostic accuracy coefficient and the detection rapidity coefficient, and ε1+ε2=1.

5. A method for diagnosing, assessing and evaluating military equipment maintenance and support equipment according to claim 2, characterized in that: The specific analysis process of step three is as follows: A1: Obtain the historical number of failures and total operating time of each military maintenance equipment, divide the historical number of failures of each military maintenance equipment by its total operating time, and obtain the failure rate of each military maintenance equipment, which is recorded as p i ; A2: Obtain the interval between each failure of each military maintenance equipment and the previous failure, and calculate the average value to obtain the average fault-free time of each military maintenance equipment, which is recorded as A3: Extract the maintenance complexity and preventive maintenance difficulty of each military equipment stored in the database; Obtain the maintenance time and maintenance cost of each historical failure of each military maintenance equipment, calculate the average value respectively, and obtain the average maintenance time and average maintenance cost of each historical failure of each military maintenance equipment; Substitute the maintenance complexity, preventive maintenance difficulty, average maintenance time of historical failures and average maintenance cost of historical failures of each military maintenance equipment into the preset relationship function between the maintenance complexity, preventive maintenance difficulty, maintenance time and maintenance cost and the maintainability coefficient to obtain the maintainability coefficient of each military maintenance equipment, which is recorded as 6. A method for diagnosing, assessing and evaluating military equipment maintenance and support equipment according to claim 5, characterized in that: The specific analysis process of step 4 is as follows: The failure rate of each military equipment is p i , MTBF and maintainability factor Substitute into the analysis formula Obtain the reliability index of each military equipment Where μ represents the correction factor of the preset reliability index compliance index, They represent the failure rate threshold and mean time between failures threshold of the i-th military equipment stored in the database, represents the preset threshold value of the maintainability coefficient, γ1, γ2, and γ3 represent the preset failure rate, mean time between failures, and weights of the maintainability coefficient, respectively, and γ1+γ2+γ3=1.

7. The method for diagnosing, assessing and evaluating military equipment maintenance and support equipment according to claim 1 is characterized by: The specific analysis process of step five is as follows: B1: Obtain the time point of each historical maintenance of each military maintenance equipment, and further obtain the interval between each historical maintenance of each military maintenance equipment and the previous adjacent maintenance, and record it as the maintenance cycle of each historical maintenance of each military maintenance equipment; A coordinate system is established with the time point of historical maintenance as the horizontal axis and the maintenance cycle as the vertical axis. According to the maintenance cycle of each historical maintenance of each military maintenance equipment, the corresponding data points are marked in the coordinate system, and the maintenance cycle trend curve of each military maintenance equipment is drawn using the method of establishing a mathematical model; B2: Obtain the time points and costs of each historical maintenance of each military maintenance equipment, establish a coordinate system with the time points of historical maintenance as the horizontal axis and the maintenance cost as the vertical axis, mark the corresponding data points in the coordinate system according to the historical maintenance costs of each military maintenance equipment, and use the mathematical model establishment method to draw the maintenance cost trend curve of each military maintenance equipment.

8. A method for diagnosing, assessing and evaluating military equipment maintenance and support equipment according to claim 2, characterized in that: The specific analysis process of step six includes: Obtain the function corresponding to the maintenance cycle trend curve of each military maintenance equipment and record it as f i (t); Extract the reference maintenance cycle trend curve of each military maintenance equipment stored in the database, obtain the function corresponding to the reference maintenance cycle trend curve of each military maintenance equipment, and record it as By analyzing the formula Obtained the first compliance index of maintenance indicators of various military equipment Among them, λ1 represents the correction factor of the first conformity index of the preset maintenance index, and t1 and t2 represent the time points of the first and last maintenance of the military equipment in history, respectively.

9. A method for diagnosing, assessing and evaluating military equipment maintenance and support equipment according to claim 8, characterized in that: The specific analysis process of step six also includes: Get the function corresponding to the maintenance cost trend curve of each military equipment and record it as Extract the reference maintenance cost trend curve of each military maintenance equipment stored in the database, obtain the function corresponding to the reference maintenance cost trend curve of each military maintenance equipment, and record it as By analyzing the formula Obtained the second highest compliance index for maintenance indicators of various military equipment Where λ2 represents the correction factor of the second compliance index of the preset maintenance index, t beg ,t end Respectively represent the time points of the first and last maintenance in the history of military equipment; The maintenance index of each military equipment is the first to meet the index The second most consistent index with maintenance index Substitute into the analysis formula Obtain the maintenance index compliance index of each military equipment κ 1设 , κ 2设 They respectively represent the thresholds of the first conformity index and the second conformity index of the preset maintenance index, σ1 and σ2 respectively represent the weights of the first conformity index and the second conformity index of the preset maintenance index, and σ1+σ2=1.

10. A method for diagnosing, assessing and evaluating military equipment maintenance and support equipment according to claim 1, characterized in that: The specific analysis process of step seven is as follows: The weighted average of the performance index compliance index, reliability index compliance index and maintenance index compliance index of each military maintenance equipment is calculated to obtain the comprehensive assessment index of each military maintenance equipment and feedback to the relevant departments.

Images