Test time conversion method and device for reliability evaluation, and electronic equipment
By comprehensively considering various test information in the test time conversion and using a weighted fusion method to calculate the test time conversion factor, the problem of large errors in traditional methods is solved, and efficient and accurate reliability assessment and verification are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- BEIJING INST OF REMOTE SENSING EQUIP
- Filing Date
- 2025-12-30
- Publication Date
- 2026-05-08
AI Technical Summary
In existing technologies, traditional test time conversion methods ignore the coupling effect of multiple stress factors, resulting in large reliability assessment errors, low utilization of test data, and an inability to effectively shorten the reliability verification cycle of high-reliability products.
By acquiring test data of the product under multiple test conditions, including failure rate data, environmental coefficients, personnel scoring results, and environmental information, a weighted fusion method is used to calculate the test time conversion factor, thereby achieving accurate conversion of test time.
It improved the utilization rate of test data, shortened the reliability verification cycle, reduced economic costs, and enhanced the accuracy of reliability assessment and the ability to support product design optimization.
Smart Images
Figure CN121996869A_ABST
Abstract
Description
Technical Field
[0001] This application belongs to the field of data analysis technology, and more specifically, relates to a test time conversion method, apparatus, and electronic equipment for reliability assessment. Background Technology
[0002] In modern industry, product reliability is a core indicator for measuring the quality and competitiveness of some high-end manufacturing sectors. To verify a product's reliability level within its expected lifespan, various environmental stress and life tests are typically required. However, with technological advancements and the increasing prevalence of highly reliable, long-life products, a prominent contradiction has emerged: if traditional testing methods are used to verify reliability over several years or even decades under normal operating stress conditions, the required testing period would be extremely long, and the testing costs would be prohibitively high.
[0003] High economic costs and time investment severely restrict the efficiency of product development and iteration, as well as the pace of market launch. To address this, the "test time conversion" technology has emerged. The core principle of this technology is to establish a correlation model between specific operating conditions (such as accelerated stress or simulated environments) and actual operating conditions, converting data obtained from short-term tests into equivalent actual operating time. This shortens the testing cycle while ensuring the validity of reliability assessment results.
[0004] However, current test time conversion methods in the industry still have significant limitations: First, most traditional methods rely on empirical formulas or single stress models (such as the Arrhenius equation that only considers temperature stress), ignoring the coupling effect of multiple stress factors in actual applications, resulting in a large deviation between the conversion results and the actual working conditions. In complex environments, the reliability assessment error rate can even exceed 20%. In related technologies, the utilization rate of test data during the test time conversion process is low. Summary of the Invention
[0005] The purpose of this application is to provide a test time conversion method, apparatus, and electronic equipment for reliability assessment, so as to improve the utilization rate of test data in the process of converting test time based on test data.
[0006] A first aspect of this application provides a method for converting test time for reliability assessment, comprising:
[0007] Based on the product's design information, multiple first test information of the product under actual use conditions and standard conditions are determined. The first test information includes: first failure rate data, first environmental coefficient of the product's core components, first scoring results of relevant personnel on the product, and first environmental information of the product's core components. The first environmental information includes: first temperature information, first humidity information, and first vibration stress level.
[0008] Obtain multiple second test information of the product in the test scenario, where each second test information involves test information from each test in multiple trials;
[0009] For each of the multiple second test information, determine the test time conversion factor between the second test information and its corresponding first test information to obtain multiple test time conversion factors;
[0010] The multiple test time conversion factors are weighted and fused to obtain the final test time conversion factor;
[0011] The cumulative test time of the product under actual operating conditions and standard conditions is determined based on the final test time conversion factor.
[0012] A second aspect of this application provides a test time conversion device for reliability assessment, comprising:
[0013] The determining unit is used to determine multiple first test information of the product under actual use conditions and standard conditions based on the product's design information. The first test information includes: first failure rate data, first environmental coefficient of the core components of the product, first scoring results of relevant personnel on the product, and first environmental information of the core components of the product. The first environmental information includes: first temperature information, first humidity information, and first vibration stress level.
[0014] The acquisition unit is used to acquire multiple second test information of the product in the test scenario, and each second test information involves test information of each test in multiple trials;
[0015] The determining unit is further configured to determine, for each of the plurality of second test information, a test time conversion factor between the second test information and its corresponding first test information, thereby obtaining a plurality of test time conversion factors;
[0016] The fusion unit is used to perform weighted fusion of the multiple test time conversion factors to obtain the final test time conversion factor;
[0017] The determining unit is also used to determine the cumulative test time of the product under actual use conditions and standard operating conditions based on the final test time conversion factor.
[0018] A third aspect of this application provides an electronic device, including a memory, a processor, and a computer program stored in the memory and running on the processor, wherein the processor executes the computer program to implement the steps of the above-described test time conversion method for reliability assessment.
[0019] A fourth aspect of this application provides a computer-readable storage medium storing a computer program that, when executed by a processor, implements the steps of the above-described test time conversion method for reliability assessment.
[0020] The beneficial effects of the test time conversion method, apparatus, and electronic equipment for reliability assessment provided in this application are as follows: In the process of converting test time based on test data, the analysis of various test information is introduced, the data involved is more comprehensive, and the utilization rate of test data in the process of converting test time based on test data is improved. Attached Figure Description
[0021] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0022] Figure 1 A schematic flowchart illustrating a test time conversion method for reliability assessment provided in an embodiment of this application;
[0023] Figure 2 A structural block diagram of a test time conversion device for reliability assessment provided in an embodiment of this application;
[0024] Figure 3 This is a schematic block diagram of an electronic device provided in an embodiment of this application. Detailed Implementation
[0025] In the following description, specific details such as particular system architectures and techniques are set forth for illustrative purposes and not for limitation, in order to provide a thorough understanding of the embodiments of this application. However, those skilled in the art will understand that this application may also be implemented in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, apparatuses, circuits, and methods have been omitted so as not to obscure the description of this application with unnecessary detail.
[0026] In related technologies, the utilization rate of test data during the conversion of test time is low, resulting in a serious waste of test data resources and a lack of scientific basis for data-driven reliability prediction and assessment. Therefore, developing an efficient and accurate test time conversion method to achieve a unified conversion of test time under different conditions to standard conditions has become a key problem urgently needing to be solved in the field of reliability engineering. This method can not only significantly shorten the product reliability verification cycle and reduce R&D costs, but also provide more accurate data support for product design optimization, quality control, and full life cycle management, which is of great significance for enhancing the competitiveness of the high-end equipment manufacturing industry.
[0027] In addition, the purpose of this application is to provide a test time conversion method for reliability assessment, which solves the problem of how to uniformly convert the test time generated by the product under various conditions of development, testing and experimentation into the test time under the standard conditions of actual use.
[0028] To make the objectives, technical solutions, and advantages of this application clearer, the following description will be provided in conjunction with the accompanying drawings and specific embodiments.
[0029] Please refer to Figure 1 , Figure 1 This is a flowchart illustrating a test time conversion method for reliability assessment provided in an embodiment of this application. The method can be executed by any device and may include the following steps S101-S105:
[0030] S101. Determine multiple first test information of the product under actual use standard conditions based on the product design information. The first test information includes: first failure rate data, first environmental coefficient of the core components of the product, first score result of relevant personnel on the product, and first environmental information of the core components of the product. The first environmental information includes: first temperature information, first humidity information, and first vibration stress level.
[0031] The temperature information can be absolute temperature, and the humidity information can be relative humidity. Specifically, it can be relative humidity relative to the humidity of a reference location or relative humidity relative to a standard humidity. This application does not limit the specific humidity information.
[0032] The product is any one or more of the following: electronic products, display devices, optoelectronic products, mechanical products, and electromechanical products.
[0033] Optionally, when the product is an electronic product, the core components of the product are at least one or more of the following: CPU, DSP, and FPGA;
[0034] When the product is a display device, the core component of the product is a display screen;
[0035] When the product is an optoelectronic product, the core component of the product is an optoelectronic conversion device;
[0036] When the product is a mechanical product, the core components of the product are the main load-bearing structure and / or transmission structure, such as drive shafts, gears, and bearings.
[0037] When the product is an electromechanical product, the core component of the product is an electromechanical conversion component, such as a motor.
[0038] Optionally, the scoring requirements for relevant personnel when scoring the product include:
[0039] Represent the score using positive real numbers;
[0040] You cannot use numbers or symbols that cannot be used for arithmetic operations; such as 0, negative numbers, or imaginary numbers.
[0041] The higher the score, the harsher the product's working environment or the more frequently problems occur, including malfunctions or failures.
[0042] Fraction values should be in the range of [0.01, 100]. It is not recommended to use excessively large or small numbers.
[0043] S102. Obtain multiple second test information of the product in the test scenario, where each second test information involves test information of each test in multiple trials;
[0044] The second test information includes: second failure rate data, second environmental coefficient of the core components of the product, second scoring results of relevant personnel on the product, and second environmental information of the core components of the product, the second environmental information including: second temperature information, second humidity information, and second vibration stress level.
[0045] Alternatively, a test, a single trial, or an actual use can be considered a trial.
[0046] The second failure rate data can be obtained through reliability prediction, consulting material suppliers, and statistical analysis of test data. The second environmental factor can be determined by consulting standards or manuals, such as GJB / Z 299D-2024, GB / T 37963-2019, IEC 61709:2017, Siemens Norm SN 29500, Telcordia SR-332, Handbook of Reliability Prediction Procedures for Mechanical Equipment (NSWC), and Nonelectronic Parts Reliability Data (NPRD).
[0047] S103. For each of the multiple second test information, determine the test time conversion factor between the second test information and its corresponding first test information to obtain multiple test time conversion factors;
[0048] Optionally, in the aforementioned S103, for each of the plurality of second test information, a test time conversion factor is determined between the second test information and its corresponding first test information to obtain a plurality of test time conversion factors, including: determining the test time conversion factor between the second failure rate data and the first failure rate data; determining the test time conversion factor between the second environmental information and the first environmental information; determining the test time conversion factor between the second environmental coefficient and the first environmental coefficient; and determining the test time conversion factor between the second scoring result and the first scoring result.
[0049] Optionally, the first temperature information is: 40℃ (313.15K); the first humidity information is: 60%; the first vibration stress level is: 25m / s2; and the first failure rate is: 1078×10-6 / h.
[0050] In this application, it is also necessary to obtain the test time, i.e., the test duration, for each test. For example, Table 1 shows the information for the 1st to 4th tests.
[0051] Table 1 Information from Experiments 1 through 4
[0052]
[0053] Optionally, the test time conversion factor between the second failure rate data and the first failure rate data includes the test time conversion factor between the second failure rate data and the first failure rate data in multiple tests. The test time conversion factor between the second failure rate data and the first failure rate data in the nth test is determined by the following formula:
[0054]
[0055] Among them, C Fn In the nth experiment, the test time conversion factor is used to compare the second failure rate data with the first failure rate data.
[0056] λ n This is the second failure rate data in the nth trial;
[0057] λ RE This represents the first failure rate of the product under standard operating conditions in actual use.
[0058] For example, the corresponding test time conversion factor can be seen in Table 2.
[0059] Table 2. Test time conversion factor between the second and first failure rate data.
[0060] Failure rate data Test time conversion factor Actual operating conditions and standard conditions <![CDATA[1078×10 -6 / h]]> —— Test1 <![CDATA[1078×10 -6 / h]]> 1.0000 Test2 <![CDATA[2271×10 -6 / h]]> 2.1067 Test3 <![CDATA[3639×10 -6 / h]]> 3.3757 Test4 <![CDATA[356×10 -6 / h]]> 0.3302
[0061] Optionally, the test time conversion factor between the second environmental information and the first environmental information includes the test time conversion factor between the second environmental information and the first environmental information in multiple tests. The test time conversion factor between the second environmental information and the first environmental information in the nth test is determined by the following formula:
[0062]
[0063] Among them, C Yn This is the conversion factor for the test time between the second environmental information and the first environmental information in the nth test;
[0064] Ea is the activation energy, which is related to the material and the product described; generally, Ea = 0.6 eV = 9.613 × 10⁻²⁰ J.
[0065] k is Boltzmann's constant; k = 1.38 × 10⁻²³ J / K;
[0066] W RE (t) represents the first temperature information (K) of the product under standard operating conditions in actual use;
[0067] W 1n (t) represents the second temperature information (K) in the nth test;
[0068] B is a constant that is related to the material and the product described; generally, B = 2 is taken.
[0069] S RE (t) represents the first humidity information of the product under standard operating conditions in actual use;
[0070] S 1n (t) represents the second humidity information in the nth test;
[0071] C0 is a constant that depends on the material, the product, and the vibration mode; generally, C0 = 6 is taken.
[0072] G RE (t) represents the first vibration stress level of the product under standard operating conditions in actual use; it refers to the magnitude of random environmental vibration, with the unit being the total root mean square acceleration (m / s2).
[0073] G 1n (t) represents the second vibration stress level in the nth test. It refers to the magnitude of random environmental vibration, with the unit being the total root mean square acceleration (m / s²).
[0074] Specifically, the vibration level in a typical static building environment is 0.25756 m / s².
[0075] For example, the conversion factor for the test time between the second environmental information and the first environmental information can be shown in Table 3.
[0076] Table 3. Conversion Factors for Test Time Between Second and First Environmental Information
[0077]
[0078] Optionally, the test time conversion factor between the second environmental coefficient and the first environmental coefficient includes the test time conversion factor between the second environmental coefficient and the first environmental coefficient in multiple tests. The test time conversion factor between the second environmental coefficient and the first environmental coefficient in the nth test is determined by the following formula:
[0079]
[0080] Among them, C Hn The test time conversion factor between the second environmental coefficient and the first environmental coefficient in the nth test;
[0081] π n This is the second environmental coefficient in the nth experiment;
[0082] π RE This is the first environmental factor of the product under standard operating conditions in actual use.
[0083] For example, the corresponding test time conversion factor can be seen in Table 4.
[0084] Table 4. Conversion factor for test time between the second environmental coefficient and the first environmental coefficient.
[0085] Environmental coefficient Test time conversion factor Actual operating conditions and standard conditions 11 —— Test1 11 1.0000 Test2 13 1.1818 Test3 19 1.7273 Test4 2.4 0.2182
[0086] Optionally, the test time conversion factor between the second scoring result and the first scoring result includes the test time conversion factor between the second scoring result and the first scoring result in multiple tests. The test time conversion factor between the second scoring result and the first scoring result in the nth test is determined using the conversion factor formula row in Table 5 below:
[0087] Table 5. Conversion factor for test time between the second and first scoring results.
[0088]
[0089] Among them, C Zn For the nth test, the test time conversion factor between the second score result and the first score result;
[0090] C REj The first score given by the j-th expert for the product under standard operating conditions in actual use;
[0091] C nj This refers to the second score given by the j-th expert in the n-th trial.
[0092] p represents the total number of experts who participated in the scoring; a higher score indicates a harsher working environment for the product.
[0093] For example, the corresponding test time conversion factors are shown in Table 6.
[0094] Table 6. Conversion factor for test time between the second and first scoring results.
[0095]
[0096] S104. The multiple test time conversion factors are weighted and fused to obtain the final test time conversion factor;
[0097] Optionally, in the aforementioned S104, the weighted fusion of the multiple test time conversion factors to obtain the final test time conversion factor includes the following steps S141-S144:
[0098] S141. Obtain an initial weight vector, wherein the initial weight vector includes multiple initial weights, and the sum of the initial weights is 1;
[0099] S142. The weighted sum of the plurality of test time conversion factors based on the initial weight vector is used as the initial test time conversion factor;
[0100] S143. Adjust the weights in the initial weight vector according to the principle of minimizing the difference between the initial test time conversion factor and the multiple test time conversion factors, so as to obtain the final weight vector and the initial test time conversion factor with the smallest difference.
[0101] S144. The initial test time conversion factor when the difference is minimized shall be used as the final test time conversion factor.
[0102] Optionally, the initial weight vector is described as follows:
[0103] b = {b Y ,b F ,b Z ,b H};
[0104] b Y ≥0,b F ≥0,b Z ≥0,b H ≥0, and b Y +b F +b Z +b H =1;
[0105] Among them, b Y ,b F ,b Z ,b H For multiple initial weights. Y b represents the weight corresponding to the second environmental information. F b is the weight corresponding to the second failure rate. Z b represents the weight corresponding to the second scoring result. H This represents the weight corresponding to the second environmental coefficient.
[0106] The conversion factor for multiple test times is:
[0107] C Y ={C Y1 C Y2 C Y3 C Y4 ,......,C Yn};
[0108] C F ={C F1 C F2 C F3 C F4 ,......,C Fn};
[0109] C Z ={C Z1 C Z2C Z3 C Z4 ,......,C Zn};
[0110] C H ={C H1 C H2 C H3 C H4 ,......,C Hn};
[0111] Among them, C Y C is the conversion factor for the test time between the second environmental information and the first environmental information. F C is the test time conversion factor between the second failure rate and the first failure rate. Z C is the conversion factor for the test time between the second and first scoring results. H This is the conversion factor for the test time between the second environmental coefficient and the first environmental coefficient.
[0112] The numbers 1, 2, 3, 4, and n represent the 1st, 2nd, 3rd, 4th, and nth trials, respectively.
[0113] The weighted sum of the multiple test time conversion factors based on the initial weight vector is used as the initial test time conversion factor.
[0114] C = b Y C Y +b F C F +b Z C Z +b H C H ={C1,C2,C3,C4,……,C n};
[0115] Where C is the initial test time conversion factor, C1, C2, C3, C4, C n These are the initial test time conversion factors for the 1st, 2nd, 3rd, 4th, and nth tests, respectively.
[0116] For the initial weight vector b = {b Y ,b F b Z ,b H Adjust the weights in} so that ||CC Y ||2+||CC F ||2+||CC Z ||2+||CC H ||2 is the smallest.
[0117] The minimum C after minimization is the final experimental time conversion factor.
[0118] For example, the calculated parameter vector is b = {0.0889, 0.0713, 0.3008, 0.5388}, and the final test time conversion factor C = b Y C Y +b F C F +b Z C Z +b H C H As shown in Table 7:
[0119] Table 7 Final Test Time Conversion Factors
[0120] <![CDATA[C Y ]]> <![CDATA[C F ]]> <![CDATA[C Z ]]> <![CDATA[C H ]]> C Test1 1.0000 1.0000 1.0000 1.0000 1.0000 Test2 0.7388 2.1067 0.9574 1.1818 1.1409 Test3 3.2686 3.3757 1.5957 1.7273 1.9424 Test4 <![CDATA[4.58×10 -13 ]]> 0.3302 0.0213 0.2182 0.1475
[0121] S105. Determine the cumulative test time of the product under actual operating conditions and standard conditions based on the final test time conversion factor.
[0122] Optionally, the final test time conversion factor includes the test time conversion factor corresponding to each test. In the aforementioned S105, determining the cumulative test time of the product under actual operating conditions based on the final test time conversion factor includes the following S1051-S1052:
[0123] S1051. For each of the above tests, based on the test time conversion factor and test time of the test, determine the test time of the product under the standard conditions of actual use, and obtain multiple test times corresponding to the multiple tests.
[0124] S1052. Sum the multiple test times to obtain the cumulative test time of the product under actual use standard conditions.
[0125] Based on the test time conversion factor and test time of the nth test, the test time of the product under actual use standard conditions is determined, which is achieved in the following way:
[0126] T 2n =C n ·T 1n
[0127]
[0128] Among them, C n T is the time conversion factor in the nth trial; 1n The test time in the nth test;
[0129] T 2n The test time in the nth test is converted to the standard conditions of actual use.
[0130] T represents the cumulative test time under actual operating conditions and standard conditions.
[0131] For example, the converted time for each test and experiment (including actual use) is shown in Table 8, yielding the converted cumulative test time T = T 21 +T 22 +T 23 +T 24 =4637.6h.
[0132] Table 8. Cumulative Test Time After Conversion
[0133]
[0134] This application achieves the following significant beneficial effects:
[0135] The beneficial effects of the test time conversion method, apparatus, and electronic equipment for reliability assessment provided in this application are as follows: In the process of converting test time based on test data, the analysis of various test information is introduced, the data involved is more comprehensive, and the utilization rate of test data in the process of converting test time based on test data is improved.
[0136] This method fully utilizes test data generated under various conditions during product development, testing, and experimentation, deeply mining the data from multiple dimensions. The conversion process considers personnel engineering experience, product failure rate data, multiple environmental stresses on the product (temperature, humidity, vibration), and the crucial role of core components. By integrating calculation methods, the conversion accuracy is improved, avoiding the waste of a large amount of test data. It can provide a scientific basis for reliability prediction and assessment, making data-driven reliability analysis more accurate and reliable, and improving product quality and performance. Simultaneously, it can significantly shorten the product reliability verification cycle, avoiding the high economic and time costs caused by prolonged testing, improving the R&D efficiency of high-end equipment manufacturing, and meeting the demands of modern industry for rapid product iteration, thus possessing significant application value.
[0137] Corresponding to the test time conversion method for reliability assessment in the above embodiments, Figure 2 This is a structural block diagram of a test time conversion device for reliability assessment provided in one embodiment of this application. For ease of explanation, only the parts relevant to the embodiment of this application are shown. References Figure 2 The test time conversion device used for reliability assessment includes:
[0138] The determining unit 21 is used to determine multiple first test information of the product under actual use conditions and standard conditions based on the product's design information. The first test information includes: first failure rate data, first environmental coefficient of the core components of the product, first scoring results of relevant personnel on the product, and first environmental information of the core components of the product. The first environmental information includes: first temperature information, first humidity information, and first vibration stress level.
[0139] The acquisition unit 22 is used to acquire multiple second test information of the product in the test scenario, and each second test information involves test information of each test in multiple trials;
[0140] The determining unit 21 is further configured to determine, for each of the plurality of second test information, the test time conversion factor between the second test information and the corresponding first test information, thereby obtaining a plurality of test time conversion factors;
[0141] The fusion unit 23 is used to perform weighted fusion of the multiple test time conversion factors to obtain the final test time conversion factor;
[0142] The determining unit 21 is also used to determine the cumulative test time of the product under actual use conditions and standard conditions based on the final test time conversion factor.
[0143] The scoring requirements for relevant personnel when scoring the product include:
[0144] Represent the score using positive real numbers;
[0145] You cannot use numbers or symbols that cannot be used in arithmetic operations to score;
[0146] The higher the score, the harsher the product's working environment or the more frequently problems occur, including malfunctions or failures.
[0147] The fraction values range from [0.01, 100].
[0148] The second test information includes: second failure rate data, second environmental coefficient of the core components of the product, second scoring results of the product by relevant personnel, and second environmental information of the core components of the product, the second environmental information including: second temperature information, second humidity information, and second vibration stress level; the aforementioned device, when used to determine the test time conversion factor between the second test information and its corresponding first test information for each of the plurality of second test information, and to obtain a plurality of test time conversion factors, is specifically used for:
[0149] Determine the test time conversion factor between the second failure rate data and the first failure rate data;
[0150] Determine the test time conversion factor between the second environmental information and the first environmental information;
[0151] Determine the test time conversion factor between the second environmental coefficient and the first environmental coefficient;
[0152] Determine the test time conversion factor between the second scoring result and the first scoring result.
[0153] When the device is used to weight and fuse the multiple test time conversion factors to obtain the final test time conversion factor, it is specifically used for:
[0154] Obtain an initial weight vector, which includes multiple initial weights, and the sum of the initial weights is 1;
[0155] The weighted sum of the plurality of test time conversion factors based on the initial weight vector is used as the initial test time conversion factor;
[0156] Based on the principle of minimizing the difference between the initial test time conversion factor and the plurality of test time conversion factors, the weights in the initial weight vector are adjusted to obtain the final weight vector with the initial test time conversion factor that minimizes the difference.
[0157] The initial test time conversion factor when the difference is minimized is used as the final test time conversion factor.
[0158] The final test time conversion factor includes the test time conversion factor corresponding to each test. When determining the cumulative test time of the product under actual operating conditions based on the final test time conversion factor, the device is specifically used for:
[0159] For each of the aforementioned tests, based on the test time conversion factor and test time of that test, the test time of the product under actual use standard conditions is determined, thus obtaining multiple test times corresponding to the multiple tests;
[0160] The cumulative test time of the product under actual use standard conditions is obtained by summing the multiple test times.
[0161] The product is any one or more of the following: electronic products, display devices, optoelectronic products, mechanical products, and electromechanical products.
[0162] Optionally, when the product is an electronic product, the core component of the product is at least one or more of a CPU, DSP, and FPGA; when the product is a display device, the core component of the product is a display screen; when the product is an optoelectronic product, the core component of the product is a photoelectric conversion device; when the product is a mechanical product, the core component of the product is a main load-bearing structure and / or a transmission structure; when the product is an electromechanical product, the core component of the product is an electromechanical conversion component. Specific implementation details of this embodiment can be found in the foregoing description and will not be repeated here.
[0163] See Figure 3 , Figure 3 This is a schematic block diagram of an electronic device provided according to an embodiment of this application. Figure 3 The electronic device 300 in this embodiment may include one or more processors 301, one or more input devices 302, one or more output devices 303, and one or more memories 304. The processors 301, input devices 302, output devices 303, and memories 304 communicate with each other via a communication bus 305. The memories 304 store computer programs, including program instructions. The processors 301 execute the program instructions stored in the memories 304. Specifically, the processors 301 are configured to invoke the program instructions to perform the functions of the units in the aforementioned device embodiments.
[0164] It should be understood that, in the embodiments of this application, the processor 301 may be a central processing unit (CPU), but it may also be other general-purpose processors, digital signal processors (DSPs), application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The general-purpose processor may be a microprocessor or any conventional processor.
[0165] Input device 302 may include a touchpad, a fingerprint sensor (for collecting the user's fingerprint information and fingerprint orientation information), a microphone, etc., and output device 303 may include a display (LCD, etc.), a speaker, etc.
[0166] The memory 304 may include read-only memory and random access memory, and provides instructions and data to the processor 301. A portion of the memory 304 may also include non-volatile random access memory. In specific implementations, the processor 301, input device 302, and output device 303 described in the embodiments of this application can execute the implementation described in the test time conversion method for reliability assessment provided in the embodiments of this application, or they can execute the implementation of the electronic device described in the embodiments of this application, which will not be repeated here.
[0167] In another embodiment of this application, a computer-readable storage medium is provided. This computer-readable storage medium stores a computer program, which includes program instructions. When executed by a processor, the program instructions implement all or part of the processes in the methods described above. Alternatively, the computer program can instruct related hardware to implement these processes. The computer program can be stored in a computer-readable storage medium, and when executed by a processor, it can implement the steps of the various method embodiments described above. The computer program includes computer program code, which can be in the form of source code, object code, executable files, or certain intermediate forms. The computer-readable medium can include any entity or device capable of carrying computer program code, a recording medium, a USB flash drive, a portable hard drive, a magnetic disk, an optical disk, a computer memory, a read-only memory (ROM), a random access memory (RAM), an electrical carrier signal, a telecommunication signal, and a software distribution medium, etc.
[0168] The computer-readable storage medium can be an internal storage unit of the electronic device in any of the foregoing embodiments, such as a hard disk or memory of the electronic device. The computer-readable storage medium can also be an external storage device of the electronic device, such as a plug-in hard disk, smart media card (SMC), secure digital card (SD), flash card, etc., equipped on the electronic device. Furthermore, the computer-readable storage medium can include both internal and external storage units of the electronic device. The computer-readable storage medium is used to store computer programs and other programs and data required by the electronic device. The computer-readable storage medium can also be used to temporarily store data that has been output or will be output.
[0169] This application provides a computer program product, which includes computer-executable instructions or a computer program. The computer-executable instructions or computer program are stored in a computer-readable storage medium. The processor of an electronic device reads the computer-executable instructions from the computer-readable storage medium and executes the computer-executable instructions, causing the electronic device to perform the methods described in the embodiments of this application.
[0170] Those skilled in the art will recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of both. To clearly illustrate the interchangeability of hardware and software, the components and steps of the various examples have been generally described in terms of functionality in the foregoing description. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementations should not be considered beyond the scope of this application.
[0171] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the specific working process of the electronic devices and units described above can be referred to the corresponding process in the foregoing method embodiments, and will not be repeated here.
[0172] In the several embodiments provided in this application, it should be understood that the disclosed electronic devices and methods can be implemented in other ways. For example, the device embodiments described above are merely illustrative; for instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interfaces or units, or it may be an electrical, mechanical, or other form of connection.
[0173] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of the embodiments of this application, depending on actual needs.
[0174] Furthermore, the functional units in the various embodiments of this application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The integrated unit can be implemented in hardware or as a software functional unit.
[0175] The above are merely specific embodiments of this application, but the scope of protection of this application is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this application, and these modifications or substitutions should all be covered within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.
Claims
1. A method for converting test time for reliability assessment, characterized in that, include: Based on the product's design information, multiple first test information of the product under actual use conditions and standard conditions are determined. The first test information includes: first failure rate data, first environmental coefficient of the product's core components, first scoring results of relevant personnel on the product, and first environmental information of the product's core components. The first environmental information includes: first temperature information, first humidity information, and first vibration stress level. Obtain multiple second test information of the product in the test scenario, where each second test information involves test information from each test in multiple trials; For each of the multiple second test information, determine the test time conversion factor between the second test information and its corresponding first test information to obtain multiple test time conversion factors; The multiple test time conversion factors are weighted and fused to obtain the final test time conversion factor; The cumulative test time of the product under actual operating conditions and standard conditions is determined based on the final test time conversion factor.
2. The method according to claim 1, characterized in that, The scoring requirements for relevant personnel when scoring the product include: Represent the score using positive real numbers; You cannot use numbers or symbols that cannot be used in arithmetic operations to score; The higher the score, the harsher the product's working environment or the more frequently problems occur, including malfunctions or failures. The fraction values range from [0.01, 100].
3. The method according to claim 1, characterized in that, The second test information includes: second failure rate data, second environmental coefficient of the core components of the product, second scoring results of relevant personnel on the product, and second environmental information of the core components of the product, the second environmental information including: second temperature information, second humidity information, and second vibration stress level; for each of the multiple second test information, a test time conversion factor is determined between the second test information and its corresponding first test information, resulting in multiple test time conversion factors, including: Determine the test time conversion factor between the second failure rate data and the first failure rate data; Determine the test time conversion factor between the second environmental information and the first environmental information; Determine the test time conversion factor between the second environmental coefficient and the first environmental coefficient; Determine the test time conversion factor between the second scoring result and the first scoring result.
4. The method according to claim 1, characterized in that, The weighted fusion of the multiple test time conversion factors to obtain the final test time conversion factor includes: Obtain an initial weight vector, which includes multiple initial weights, and the sum of the initial weights is 1; The weighted sum of the plurality of test time conversion factors based on the initial weight vector is used as the initial test time conversion factor; Based on the principle of minimizing the difference between the initial test time conversion factor and the plurality of test time conversion factors, the weights in the initial weight vector are adjusted to obtain the final weight vector with the initial test time conversion factor that minimizes the difference. The initial test time conversion factor when the difference is minimized is used as the final test time conversion factor.
5. The method according to claim 1, characterized in that, The final test time conversion factor includes the test time conversion factor corresponding to each test. Determining the cumulative test time of the product under actual operating conditions based on the final test time conversion factor includes: For each of the aforementioned tests, based on the test time conversion factor and test time of that test, the test time of the product under actual use standard conditions is determined, thus obtaining multiple test times corresponding to the multiple tests; The cumulative test time of the product under actual use standard conditions is obtained by summing the multiple test times.
6. The method according to claim 1, characterized in that, The product is any one or more of the following: electronic products, display devices, optoelectronic products, mechanical products, and electromechanical products.
7. The method according to claim 6, characterized in that, When the product is an electronic product, the core components of the product are at least one or more of the following: CPU, DSP, and FPGA; When the product is a display device, the core component of the product is a display screen; When the product is an optoelectronic product, the core component of the product is an optoelectronic conversion device; When the product is a mechanical product, the core components of the product are the main load-bearing structure and / or transmission structure; When the product is an electromechanical product, the core component of the product is an electromechanical conversion component.
8. A test time conversion device for reliability assessment, characterized in that, include: The determining unit is used to determine multiple first test information of the product under actual use conditions and standard conditions based on the product's design information. The first test information includes: first failure rate data, first environmental coefficient of the core components of the product, first scoring results of relevant personnel on the product, and first environmental information of the core components of the product. The first environmental information includes: first temperature information, first humidity information, and first vibration stress level. The acquisition unit is used to acquire multiple second test information of the product in the test scenario, and each second test information involves test information of each test in multiple trials; The determining unit is further configured to determine, for each of the plurality of second test information, a test time conversion factor between the second test information and its corresponding first test information, thereby obtaining a plurality of test time conversion factors; The fusion unit is used to perform weighted fusion of the multiple test time conversion factors to obtain the final test time conversion factor; The determining unit is also used to determine the cumulative test time of the product under actual use conditions and standard operating conditions based on the final test time conversion factor.
9. An electronic device comprising a memory, a processor, and a computer program stored in the memory and running on the processor, characterized in that, When the processor executes the computer program, it implements the steps of the method as described in any one of claims 1 to 7.
10. A computer-readable storage medium storing a computer program, characterized in that, When the computer program is executed by a processor, it implements the steps of the method as described in any one of claims 1 to 7.