A method and system for detecting transient response of power supply voltage
By designing a power supply voltage transient response detection system, collecting and analyzing the output voltage change curve chart of the power supply terminal and calculating the performance coefficient, the problem of transient response performance evaluation of the power supply terminal is solved, and accurate evaluation and accurate reference of the performance of the power supply terminal are achieved.
Patent Information
- Application Number
- CN202411079511.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-07
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2044-08-07
AI Technical Summary
Modern electronic equipment has high requirements for transient response to power supply voltage. The instability of power supply terminals may lead to unstable and even damage to the equipment's operation. It is difficult for the prior art to effectively evaluate the transient response performance of power supply terminals.
Design a power supply voltage transient response detection system, including a detection center, data acquisition module, data processing module, data analysis module and evaluation module, and calculate low and high jumps by collecting, processing and analyzing the output voltage change curve chart of the power supply terminal. Performance coefficient and high and low jump performance coefficient for performance evaluation.
It realizes an accurate evaluation of the performance of power supply terminals, provides an accurate reference for manufacturers that manufacture power supply terminals, and reduces manufacturing costs.
Smart Images

Figure CN118962515B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of transient response, and in particular to a power supply voltage transient response detection method and system. Background Art
[0002] As electronic devices and systems become increasingly complex, the requirements for power supply performance, especially transient response, are becoming increasingly higher. Modern electronic devices, especially high-speed processors, communication equipment, data center servers, and graphics processing units (GPUs), require power supplies that can quickly respond to load changes. These devices may quickly switch between different power consumption modes during operation, such as from standby to full load. In this case, if the power supply cannot quickly stabilize the voltage, it may cause the device to work unstably or even be damaged. The instability of the power supply may cause voltage fluctuations, which are fatal to sensitive electronic components and systems. Such fluctuations may cause data loss, system crashes, hardware damage, and other problems.
[0003] How to obtain the output voltage change curve of the power supply terminal and analyze it to obtain the low-high transition performance coefficient and the high-low transition performance coefficient of the power supply terminal, and evaluate the performance of the power supply terminal based on the obtained low-high transition performance coefficient and the high-low transition performance coefficient of the power supply terminal are the problems we need to solve. To this end, a power supply voltage transient response detection method and system are now provided. Summary of the invention
[0004] In order to solve the above technical problems, an object of the present invention is to provide a power supply voltage transient response detection method and system.
[0005] The object of the present invention can be achieved by the following technical solutions: A power supply voltage transient response detection system includes a detection center, the detection center is communicatively connected with a data acquisition module, a data processing module, a data analysis module and an evaluation module;
[0006] The data acquisition module is used to collect the output voltage of the power supply terminal;
[0007] The data processing module is used to process the collected output voltage of the power supply terminal to obtain an output voltage change curve diagram of the power supply terminal;
[0008] The data analysis module is used to analyze the obtained output voltage change curve diagram of the power supply terminal to obtain the low-high transition performance coefficient and the high-low transition performance coefficient of the power supply terminal;
[0009] The evaluation module is used to evaluate the performance of the power terminal according to the obtained low-high transition performance coefficient and high-low transition performance coefficient of the power terminal.
[0010] Furthermore, the process of the data acquisition module acquiring the output voltage of the power supply terminal includes:
[0011] The data acquisition module is composed of a voltage data acquisition terminal, which is used to acquire the output voltage of the power supply terminal. The voltage data acquisition terminal is physically connected to the power supply terminal. After the voltage data acquisition terminal is physically connected to the power supply terminal, the output voltage of the power supply terminal is acquired through the voltage data acquisition terminal.
[0012] Furthermore, the process of the data processing module processing the collected output voltage of the power supply terminal includes:
[0013] Construct a two-dimensional rectangular coordinate system of the output voltage of the power supply terminal with respect to time, map the obtained output voltage of the power supply terminal to the constructed two-dimensional rectangular coordinate system of the output voltage of the power supply terminal with respect to time, generate corresponding output voltage data sample points, connect each output voltage data sample point in sequence through a curve in chronological order, and obtain the output voltage change curve graph of the power supply terminal.
[0014] Furthermore, the process of the data analysis module analyzing the obtained output voltage variation curve diagram of the power supply terminal includes:
[0015] According to the actual situation, the constant output voltage threshold range of the power supply terminal is set, the output voltage of the power supply terminal corresponding to all the output voltage data sample points are obtained, and the output voltage data sample point corresponding to the minimum output voltage of the power supply terminal is obtained according to the output voltage of the power supply terminal corresponding to all the obtained output voltage data sample points, and the output voltage data sample point corresponding to the obtained minimum output voltage of the power supply terminal is recorded as the minimum output voltage data sample point, and the output voltage of the power supply terminal corresponding to the minimum output voltage data sample point is obtained;
[0016] The output voltage of the power supply terminal corresponding to the output voltage data sample point preceding the minimum output voltage data sample point is obtained, and based on the output voltage of the power supply terminal corresponding to the output voltage data sample point preceding the minimum output voltage data sample point obtained, an output voltage data sample point corresponding to the output voltage of the first power supply terminal not within the set constant output voltage threshold range is obtained, and recorded as a low starting output voltage data sample point;
[0017] Obtaining the output voltage of the power supply terminal corresponding to the output voltage data sample point behind the minimum output voltage data sample point, and obtaining the low termination output voltage data sample point according to the output voltage of the power supply terminal corresponding to the output voltage data sample point behind the obtained minimum output voltage data sample point;
[0018] Connecting the low starting output voltage data sample point with the low ending output voltage data sample point to obtain the area of the closed curve graph between the low starting output voltage data sample point and the low ending output voltage data sample point;
[0019] Obtaining the time corresponding to the low starting output voltage data sample point and the low ending output voltage data sample point, and obtaining the low stability coefficient of the power supply terminal according to the obtained time corresponding to the low starting output voltage data sample point and the low ending output voltage data sample point;
[0020] Obtain an average value of the output voltage of the power supply terminal corresponding to k output voltage data sample points before the low starting output voltage data sample point, recorded as a low stable output voltage, where k is a positive integer;
[0021] Obtaining the output voltage of the power supply terminal corresponding to the low termination output voltage data sample point, and obtaining the low recovery output voltage of the power supply terminal according to the obtained low stable output voltage and the output voltage of the power supply terminal corresponding to the low termination output voltage data sample point;
[0022] According to the output voltage of the power supply terminal corresponding to the obtained minimum output voltage data sample point, the area of the closed curve figure from the low starting output voltage data sample point to the low ending output voltage data sample point, the low stability coefficient of the power supply terminal and the low recovery output voltage, the low-high jump performance coefficient of the power supply terminal is obtained;
[0023] Similarly, the output voltage of the power supply terminal corresponding to the maximum output voltage data sample point, the area of the closed curve figure from the high starting output voltage data sample point to the high ending output voltage data sample point, the high stability coefficient of the power supply terminal, and the high recovery output voltage are obtained;
[0024] The high-low transition performance coefficient of the power terminal is obtained based on the output voltage of the power terminal corresponding to the obtained maximum output voltage data sample point, the area of the closed curve figure from the high starting output voltage data sample point to the high ending output voltage data sample point, the high stability coefficient of the power terminal and the high recovery output voltage.
[0025] Furthermore, the process of obtaining a low termination output voltage data sample point according to the output voltage of the power supply terminal corresponding to the output voltage data sample point after the acquired minimum output voltage data sample point includes:
[0026] According to the output voltage of the power supply terminal corresponding to the output voltage data sample point after the obtained minimum output voltage data sample point, the output voltage data sample point corresponding to the output voltage of the last power supply terminal that is not within the set constant output voltage threshold range is obtained, which is recorded as a low output voltage data sample point, and the first output voltage data sample point after the low output voltage data sample point is obtained, which is recorded as a low termination output voltage data sample point.
[0027] Further, the process of obtaining a low recovery output voltage of the power supply terminal includes:
[0028] The low stable output voltage is subtracted from the output voltage of the power supply terminal corresponding to the low termination output voltage data sample point, and the absolute value operation is performed on the subtraction result to obtain the low recovery output voltage of the power supply terminal.
[0029] Furthermore, the process of the evaluation module evaluating the performance of the power supply terminal according to the obtained low-high transition performance coefficient and high-low transition performance coefficient of the power supply terminal includes:
[0030] Obtaining a transition performance evaluation coefficient of the power supply terminal according to the obtained low-high transition performance coefficient and high-low transition performance coefficient of the power supply terminal;
[0031] Setting a transition performance evaluation coefficient threshold range according to actual conditions, and obtaining the performance of the power supply terminal according to a comparison result between the obtained transition performance evaluation coefficient of the power supply terminal and the set transition performance evaluation coefficient threshold range;
[0032] The performance of the power terminal includes high performance, medium performance and low performance.
[0033] The present invention also discloses a detection method of a power supply voltage transient response detection system, comprising the following steps:
[0034] Step 1: obtaining the output voltage of the power supply terminal, and processing the obtained output voltage of the power supply terminal to obtain an output voltage change curve of the power supply terminal;
[0035] Step 2: Analyze the obtained output voltage change curve of the power supply terminal to obtain the low-high transition performance coefficient and the high-low transition performance coefficient of the power supply terminal;
[0036] Step 3: Evaluate the performance of the power terminal according to the obtained low-high transition performance coefficient and high-low transition performance coefficient of the power terminal.
[0037] Compared with the prior art, the beneficial effects of the present invention are: collecting the output voltage of the power supply terminal, processing the collected output voltage of the power supply terminal, obtaining the output voltage change curve diagram of the power supply terminal, analyzing the obtained output voltage change curve diagram of the power supply terminal, obtaining the low-high transition performance coefficient and the high-low transition performance coefficient of the power supply terminal, evaluating the performance of the power supply terminal according to the obtained low-high transition performance coefficient and the high-low transition performance coefficient of the power supply terminal, accurately evaluating the performance of the power supply terminal, providing an accurate reference for manufacturers of the power supply terminals, and greatly saving the cost of manufacturers of the power supply terminals. BRIEF DESCRIPTION OF THE DRAWINGS
[0038] Figure 1 It is a schematic diagram of the present invention. DETAILED DESCRIPTION
[0039] like Figure 1 As shown, a power supply voltage transient response detection system includes a detection center, wherein the detection center is communicatively connected to a data acquisition module, a data processing module, a data analysis module, and an evaluation module;
[0040] The data acquisition module is used to collect the output voltage of the power supply terminal;
[0041] It should be further explained that, in a specific implementation process, the process of the data acquisition module acquiring the output voltage of the power supply terminal includes:
[0042] The data acquisition module is composed of a voltage data acquisition terminal, which is used to acquire the output voltage of the power supply terminal. The voltage data acquisition terminal is physically connected to the power supply terminal. After the voltage data acquisition terminal is physically connected to the power supply terminal, the output voltage of the power supply terminal is acquired through the voltage data acquisition terminal.
[0043] The data processing module is used to process the collected output voltage of the power supply terminal to obtain an output voltage change curve diagram of the power supply terminal;
[0044] It should be further explained that, in a specific implementation process, the data processing module processes the collected output voltage of the power supply terminal to obtain the output voltage change curve diagram of the power supply terminal, which includes:
[0045] Construct a two-dimensional rectangular coordinate system of the output voltage of the power supply terminal with respect to time, map the obtained output voltage of the power supply terminal to the constructed two-dimensional rectangular coordinate system of the output voltage of the power supply terminal with respect to time, generate corresponding output voltage data sample points, label the generated output voltage data sample points as i, i=1, 2, 3, ..., n, where n is a positive integer, and connect each output voltage data sample point in sequence through a curve in chronological order to obtain an output voltage change curve graph of the power supply terminal.
[0046] The data analysis module is used to analyze the obtained output voltage change curve diagram of the power supply terminal to obtain the low-high transition performance coefficient and the high-low transition performance coefficient of the power supply terminal;
[0047] It should be further explained that, in a specific implementation process, the data analysis module analyzes the obtained output voltage change curve diagram of the power supply terminal, and the process of obtaining the low-high transition performance coefficient and the high-low transition performance coefficient of the power supply terminal includes:
[0048] The constant output voltage threshold range of the power supply terminal is set according to actual conditions, and the set constant output voltage threshold range of the power supply terminal is recorded as (U0, U1);
[0049] The output voltage of the power supply terminal corresponding to all the output voltage data sample points is obtained, and the output voltage data sample point corresponding to the minimum output voltage of the power supply terminal is obtained according to the output voltage of the power supply terminal corresponding to all the output voltage data sample points obtained, and the output voltage data sample point corresponding to the minimum output voltage of the power supply terminal is recorded as the minimum output voltage data sample point, and the output voltage of the power supply terminal corresponding to the minimum output voltage data sample point is obtained, and the output voltage of the power supply terminal corresponding to the minimum output voltage data sample point obtained is recorded as U 低 ;
[0050] Obtaining the output voltage of the power supply terminal corresponding to the output voltage data sample point preceding the minimum output voltage data sample point, obtaining the output voltage data sample point corresponding to the output voltage of the first power supply terminal not within the set constant output voltage threshold range according to the output voltage of the power supply terminal corresponding to the output voltage data sample point preceding the minimum output voltage data sample point obtained, and recording the output voltage data sample point corresponding to the output voltage of the first power supply terminal not within the set constant output voltage threshold range obtained as a low starting output voltage data sample point;
[0051] Obtain the output voltage of the power supply terminal corresponding to the output voltage data sample point after the minimum output voltage data sample point, obtain the output voltage data sample point corresponding to the last output voltage of the power supply terminal that is not within the set constant output voltage threshold range according to the output voltage of the power supply terminal corresponding to the output voltage data sample point after the obtained minimum output voltage data sample point, record the obtained output voltage data sample point corresponding to the last output voltage of the power supply terminal that is not within the set constant output voltage threshold range as a low output voltage data sample point, obtain the first output voltage data sample point after the low output voltage data sample point, and record the first output voltage data sample point after the obtained low output voltage data sample point as a low termination output voltage data sample point;
[0052] The low starting output voltage data sample point is connected to the low ending output voltage data sample point to obtain the area of the closed curve graph between the low starting output voltage data sample point and the low ending output voltage data sample point. The area of the closed curve graph between the low starting output voltage data sample point and the low ending output voltage data sample point is recorded as S 低 ;
[0053] The time corresponding to the low starting output voltage data sample point and the low ending output voltage data sample point is obtained, and the time corresponding to the obtained low starting output voltage data sample point and the low ending output voltage data sample point is recorded as t 低起始 and t 低终止 ;
[0054] According to the time corresponding to the obtained low starting output voltage data sample point and the low ending output voltage data sample point, the low stability coefficient of the power supply terminal is obtained, and the time corresponding to the low ending output voltage data sample point is subtracted from the time corresponding to the low starting output voltage data sample point to obtain the low stability coefficient of the power supply terminal. The obtained low stability coefficient of the power supply terminal is recorded as t 低 ;
[0055] Among them, t 低 =t 低终止 -t 低起始 ;
[0056] Obtain the output voltage of the power supply terminal corresponding to k output voltage data sample points before the low starting output voltage data sample point, where k is a positive integer;
[0057] It should be further explained that, in the specific implementation process, the low starting output voltage data sample point is not the first output voltage data sample point, because after m minutes, m is a positive number, the load of the power supply terminal begins to change;
[0058] The average value of the output voltage of the power supply terminal corresponding to the k output voltage data sample points before the low starting output voltage data sample point is obtained, and the average value of the output voltage of the power supply terminal corresponding to the k output voltage data sample points before the low starting output voltage data sample point is recorded as the low stable output voltage, and the low stable output voltage is recorded as U 均 ;
[0059] The output voltage of the power supply terminal corresponding to the low termination output voltage data sample point is obtained, and the output voltage of the power supply terminal corresponding to the obtained low termination output voltage data sample point is recorded as U 低终止 ;
[0060] According to the obtained low stable output voltage and the output voltage of the power supply terminal corresponding to the low termination output voltage data sample point, the low recovery output voltage of the power supply terminal is obtained, and the output voltage of the power supply terminal corresponding to the low termination output voltage data sample point is subtracted from the low stable output voltage, and the absolute value of the subtraction result is calculated to obtain the low recovery output voltage of the power supply terminal, and the obtained low recovery output voltage of the power supply terminal is recorded as U 低恢复 ;
[0061] Among them, U 低恢复 =|U 低终止 -U 均 |;
[0062] According to the output voltage of the power supply terminal corresponding to the obtained minimum output voltage data sample point, the area of the closed curve figure from the low starting output voltage data sample point to the low ending output voltage data sample point, the low stability coefficient of the power supply terminal and the low recovery output voltage, the low-high jump performance coefficient of the power supply terminal is obtained, and the obtained low-high jump performance coefficient of the power supply terminal is recorded as XN 低高 ;
[0063] in, KP_1, KP_2, KP_3 and KP_4 are respectively the output voltage of the power supply terminal corresponding to the minimum output voltage data sample point, the area of the closed curve figure from the low starting output voltage data sample point to the low ending output voltage data sample point, the low stability coefficient of the power supply terminal and the adjustment coefficient of the low recovery output voltage;
[0064] The output voltage data sample point corresponding to the maximum output voltage of the power supply terminal is obtained according to the output voltage of the power supply terminal corresponding to all the obtained output voltage data sample points, the output voltage data sample point corresponding to the maximum output voltage of the power supply terminal is recorded as the maximum output voltage data sample point, and the output voltage of the power supply terminal corresponding to the maximum output voltage data sample point is obtained, recorded as U 高 ;
[0065] Obtaining the output voltage of the power supply terminal corresponding to the output voltage data sample point preceding the maximum output voltage data sample point, obtaining the output voltage data sample point corresponding to the output voltage of the power supply terminal that is not within the set constant output voltage threshold range based on the output voltage of the power supply terminal corresponding to the output voltage data sample point preceding the obtained maximum output voltage data sample point, and recording the obtained output voltage data sample point as a high starting output voltage data sample point;
[0066] Obtain the output voltage of the power supply terminal corresponding to the output voltage data sample point after the maximum output voltage data sample point, obtain the output voltage data sample point corresponding to the output voltage of the power supply terminal that is not within the set constant output voltage threshold range according to the output voltage of the power supply terminal corresponding to the output voltage data sample point after the obtained maximum output voltage data sample point, record the obtained output voltage data sample point as a high output voltage data sample point, obtain the first output voltage data sample point after the high output voltage data sample point, and record the first output voltage data sample point after the obtained high output voltage data sample point as a high termination output voltage data sample point;
[0067] The high start output voltage data sample point is connected to the high end output voltage data sample point to obtain the area of the closed curve graph from the high start output voltage data sample point to the high end output voltage data sample point, which is recorded as S 高 ;
[0068] The time corresponding to the high start output voltage data sample point and the high end output voltage data sample point is obtained, and is recorded as t 高起始 and t 高终止 ;
[0069] According to the time corresponding to the obtained high starting output voltage data sample point and the high ending output voltage data sample point, the high stability coefficient of the power supply terminal is obtained, and the time corresponding to the high ending output voltage data sample point is subtracted from the time corresponding to the high starting output voltage data sample point to obtain the high stability coefficient of the power supply terminal, which is recorded as t 高 ;
[0070] Among them, t 高 =t 高终止 -t 高起始 ;
[0071] Obtaining the average value of the output voltage of the power supply terminal corresponding to the k output voltage data sample points preceding the high starting output voltage data sample point;
[0072] The average value of the output voltage of the power supply terminal corresponding to the k output voltage data sample points before the obtained high starting output voltage data sample point is recorded as the high stable output voltage, which is recorded as U 均高 ;
[0073] Get the output voltage of the power supply terminal corresponding to the high termination output voltage data sample point, recorded as U 高 termination;
[0074] According to the obtained high stable output voltage and the output voltage of the power supply terminal corresponding to the high termination output voltage data sample point, the high recovery output voltage of the power supply terminal is obtained, and the high stable output voltage is subtracted from the output voltage of the power supply terminal corresponding to the high termination output voltage data sample point, and the absolute value of the subtraction result is calculated to obtain the high recovery output voltage of the power supply terminal, which is recorded as U 高恢复 ;
[0075] Among them, U 高恢复 =|U 高终止 -U 均高 |;
[0076] According to the output voltage of the power supply terminal corresponding to the obtained maximum output voltage data sample point, the area of the closed curve figure from the high start output voltage data sample point to the high end output voltage data sample point, the high stability coefficient of the power supply terminal and the high recovery output voltage, the high-low jump performance coefficient of the power supply terminal is obtained, and the obtained high-low jump performance coefficient of the power supply terminal is recorded as XN 高低 ;
[0077] Among them, XN 高低 =GP_1×U 高 +GP_2×S 高 +GP_3×t 高 +GP_4×U 高恢复 GP_1, GP_2, GP_3 and GP_4 are respectively the output voltage of the power supply terminal corresponding to the maximum output voltage data sample point, the area of the closed curve figure from the high starting output voltage data sample point to the high ending output voltage data sample point, the high stability coefficient of the power supply terminal and the adjustment coefficient of the high recovery output voltage.
[0078] The evaluation module is used to evaluate the performance of the power terminal according to the obtained low-high transition performance coefficient and high-low transition performance coefficient of the power terminal;
[0079] It should be further explained that, in a specific implementation process, the process in which the evaluation module evaluates the performance of the power terminal according to the obtained low-high transition performance coefficient and high-low transition performance coefficient of the power terminal includes:
[0080] Obtaining a transition performance evaluation coefficient of the power supply terminal according to the obtained low-high transition performance coefficient and high-low transition performance coefficient of the power supply terminal, and recording the obtained transition performance evaluation coefficient of the power supply terminal as TB;
[0081] Among them, TB=TP_1×XN 低高 +TP_2×XN 高低 TP_1 and TP_2 are the adjustment coefficients of the low-high transition performance coefficient and the high-low transition performance coefficient respectively;
[0082] The transition performance evaluation coefficient threshold range is set according to the actual situation, and the set transition performance evaluation coefficient threshold range is recorded as (TB0, TB1);
[0083] When TB≤TB0, the performance of the power terminal is high performance;
[0084] When TB0<TB<TB1, the performance of the power terminal is medium performance;
[0085] When TB ≥ TB1, the performance of the power terminal is low performance.
[0086] The present invention also discloses a detection method of a power supply voltage transient response detection system, comprising the following steps:
[0087] Step 1: obtaining the output voltage of the power supply terminal, and processing the obtained output voltage of the power supply terminal to obtain an output voltage change curve of the power supply terminal;
[0088] Step 2: Analyze the obtained output voltage change curve of the power supply terminal to obtain the low-high transition performance coefficient and the high-low transition performance coefficient of the power supply terminal;
[0089] Step 3: Evaluate the performance of the power terminal according to the obtained low-high transition performance coefficient and high-low transition performance coefficient of the power terminal.
[0090] The above embodiments are only used to illustrate the technical method of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the present invention.
Claims
1. A power supply voltage transient response detection system, comprising a detection center, characterized in that: The detection center is communicatively connected to a data acquisition module, a data processing module, a data analysis module and an evaluation module; The data acquisition module is used to collect the output voltage of the power supply terminal; The data processing module is used to process the collected output voltage of the power supply terminal to obtain an output voltage change curve diagram of the power supply terminal; The data analysis module is used to analyze the obtained output voltage change curve diagram of the power supply terminal to obtain the low-high transition performance coefficient and the high-low transition performance coefficient of the power supply terminal; According to the output voltage of the power supply terminal corresponding to the obtained minimum output voltage data sample point, the area of the closed curve figure from the low starting output voltage data sample point to the low ending output voltage data sample point, the low stability coefficient of the power supply terminal and the low recovery output voltage, the low-high jump performance coefficient of the power supply terminal is obtained, and the obtained low-high jump performance coefficient of the power supply terminal is recorded as XN 低高 ; in, ; KP_1, KP_2, KP_3 and KP_4 are respectively the output voltage of the power supply terminal corresponding to the minimum output voltage data sample point, the area of the closed curve figure from the low starting output voltage data sample point to the low ending output voltage data sample point, the low stability coefficient of the power supply terminal and the adjustment coefficient of the low recovery output voltage; According to the output voltage of the power supply terminal corresponding to the obtained maximum output voltage data sample point, the area of the closed curve figure from the high start output voltage data sample point to the high end output voltage data sample point, the high stability coefficient of the power supply terminal and the high recovery output voltage, the high-low jump performance coefficient of the power supply terminal is obtained, and the obtained high-low jump performance coefficient of the power supply terminal is recorded as XN 高低 ; in, GP_1, GP_2, GP_3 and GP_4 are respectively the output voltage of the power supply terminal corresponding to the maximum output voltage data sample point, the area of the closed curve figure from the high starting output voltage data sample point to the high ending output voltage data sample point, the high stability coefficient of the power supply terminal and the adjustment coefficient of the high recovery output voltage; The evaluation module is used to evaluate the performance of the power terminal according to the obtained low-high transition performance coefficient and high-low transition performance coefficient of the power terminal.
2. A power supply voltage transient response detection system according to claim 1, characterized in that: The process of the data acquisition module acquiring the output voltage of the power supply terminal includes: The data acquisition module is composed of a voltage data acquisition terminal, which is used to acquire the output voltage of the power supply terminal. The voltage data acquisition terminal is physically connected to the power supply terminal. After the voltage data acquisition terminal is physically connected to the power supply terminal, the output voltage of the power supply terminal is acquired through the voltage data acquisition terminal.
3. A power supply voltage transient response detection system according to claim 2, characterized in that: The process of the data processing module processing the collected output voltage of the power supply terminal includes: Construct a two-dimensional rectangular coordinate system of the output voltage of the power supply terminal with respect to time, map the obtained output voltage of the power supply terminal to the constructed two-dimensional rectangular coordinate system of the output voltage of the power supply terminal with respect to time, generate corresponding output voltage data sample points, connect each output voltage data sample point in sequence through a curve in chronological order, and obtain the output voltage change curve graph of the power supply terminal.
4. A power supply voltage transient response detection system according to claim 3, characterized in that: The process of the data analysis module analyzing the obtained output voltage variation curve diagram of the power supply terminal includes: According to the actual situation, the constant output voltage threshold range of the power supply terminal is set, the output voltage of the power supply terminal corresponding to all the output voltage data sample points are obtained, and the output voltage data sample point corresponding to the minimum output voltage of the power supply terminal is obtained according to the output voltage of the power supply terminal corresponding to all the obtained output voltage data sample points, and the output voltage data sample point corresponding to the obtained minimum output voltage of the power supply terminal is recorded as the minimum output voltage data sample point, and the output voltage of the power supply terminal corresponding to the minimum output voltage data sample point is obtained; The output voltage of the power supply terminal corresponding to the output voltage data sample point preceding the minimum output voltage data sample point is obtained, and based on the output voltage of the power supply terminal corresponding to the output voltage data sample point preceding the minimum output voltage data sample point obtained, an output voltage data sample point corresponding to the output voltage of the first power supply terminal not within the set constant output voltage threshold range is obtained, and recorded as a low starting output voltage data sample point; The output voltage of the power supply terminal corresponding to the output voltage data sample point after the minimum output voltage data sample point is obtained, and the low termination output voltage data sample point is obtained according to the output voltage of the power supply terminal corresponding to the output voltage data sample point after the obtained minimum output voltage data sample point.
5. A power supply voltage transient response detection system according to claim 4, characterized in that: The process of the data analysis module analyzing the obtained output voltage variation curve diagram of the power supply terminal also includes: Connecting the low starting output voltage data sample point with the low ending output voltage data sample point to obtain the area of the closed curve graph between the low starting output voltage data sample point and the low ending output voltage data sample point; Obtaining the time corresponding to the low starting output voltage data sample point and the low ending output voltage data sample point, and obtaining the low stability coefficient of the power supply terminal according to the obtained time corresponding to the low starting output voltage data sample point and the low ending output voltage data sample point; Obtain an average value of the output voltage of the power supply terminal corresponding to k output voltage data sample points before the low starting output voltage data sample point, recorded as a low stable output voltage, where k is a positive integer; Obtaining the output voltage of the power supply terminal corresponding to the low termination output voltage data sample point, and obtaining the low recovery output voltage of the power supply terminal according to the obtained low stable output voltage and the output voltage of the power supply terminal corresponding to the low termination output voltage data sample point; According to the output voltage of the power supply terminal corresponding to the obtained minimum output voltage data sample point, the area of the closed curve figure from the low starting output voltage data sample point to the low ending output voltage data sample point, the low stability coefficient of the power supply terminal and the low recovery output voltage, the low-high jump performance coefficient of the power supply terminal is obtained; Similarly, the output voltage of the power supply terminal corresponding to the maximum output voltage data sample point, the area of the closed curve figure from the high starting output voltage data sample point to the high ending output voltage data sample point, the high stability coefficient of the power supply terminal, and the high recovery output voltage are obtained; The high-low transition performance coefficient of the power terminal is obtained based on the output voltage of the power terminal corresponding to the obtained maximum output voltage data sample point, the area of the closed curve figure from the high starting output voltage data sample point to the high ending output voltage data sample point, the high stability coefficient of the power terminal and the high recovery output voltage.
6. A power supply voltage transient response detection system according to claim 5, characterized in that: The process of obtaining a low termination output voltage data sample point according to the output voltage of the power supply terminal corresponding to the output voltage data sample point after the obtained minimum output voltage data sample point includes: According to the output voltage of the power supply terminal corresponding to the output voltage data sample point after the obtained minimum output voltage data sample point, the output voltage data sample point corresponding to the output voltage of the last power supply terminal that is not within the set constant output voltage threshold range is obtained, which is recorded as a low output voltage data sample point, and the first output voltage data sample point after the low output voltage data sample point is obtained, which is recorded as a low termination output voltage data sample point.
7. A power supply voltage transient response detection system according to claim 6, characterized in that: The process of obtaining a low recovery output voltage at the power supply terminal includes: The low stable output voltage is subtracted from the output voltage of the power supply terminal corresponding to the low termination output voltage data sample point, and the absolute value operation is performed on the subtraction result to obtain the low recovery output voltage of the power supply terminal.
8. The power supply voltage transient response detection system according to claim 7, characterized in that: The process of the evaluation module evaluating the performance of the power terminal according to the obtained low-high transition performance coefficient and high-low transition performance coefficient of the power terminal includes: Obtaining a transition performance evaluation coefficient of the power supply terminal according to the obtained low-high transition performance coefficient and high-low transition performance coefficient of the power supply terminal; Setting a transition performance evaluation coefficient threshold range according to actual conditions, and obtaining the performance of the power supply terminal according to a comparison result between the obtained transition performance evaluation coefficient of the power supply terminal and the set transition performance evaluation coefficient threshold range; The performance of the power terminal includes high performance, medium performance and low performance.
9. A power supply voltage transient response detection method, specifically applied to a power supply voltage transient response detection system according to any one of claims 1 to 8, characterized in that: The following steps are involved: Step 1: obtaining the output voltage of the power supply terminal, and processing the obtained output voltage of the power supply terminal to obtain an output voltage change curve of the power supply terminal; Step 2: Analyze the obtained output voltage change curve of the power supply terminal to obtain the low-high transition performance coefficient and the high-low transition performance coefficient of the power supply terminal; Step 3: Evaluate the performance of the power terminal according to the obtained low-high transition performance coefficient and high-low transition performance coefficient of the power terminal.
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