A method and system for analyzing the output power amplification factor of an RF power supply.

Abstract

The present invention relates to the field of radio frequency signal management technology, specifically to a method and system for analyzing the output power amplification factor of a radio frequency power supply, including the following steps: obtaining the input power, voltage and current parameters of the radio frequency power supply amplifier, calculating the mean value of the power output power, analyzing the change trend of the power under load conditions, determining the amplifier operation state, and establishing a power output data set. In the present invention, by continuously tracking the average value of the power output and performing detailed analysis for different load conditions, the amplifier operation state is adjusted and optimized in real time. In addition, by quantitatively analyzing the power loss and fluctuation range, the accurate adjustment of the amplification factor is ensured, thereby optimizing the amplification effect, and significantly improving the energy efficiency and responsiveness of the equipment. Through fine power stability analysis and dynamic adjustment of the amplification factor, the challenges under complex operating environments are effectively addressed, ensuring the continuous stability and high efficiency of the power output.

Description

Technical Field

[0001] The present invention relates to the technical field of radio frequency signal management, and in particular to a method and system for analyzing a power amplification factor of a radio frequency power supply output. Background Art

[0002] The field of RF signal management technology includes key links such as signal generation, modulation, amplification and transmission in RF systems. The core content of this technical field is the effective control and optimization of RF signals to ensure the stability and efficiency of signals in complex environments. The systematic introduction includes the capture, adjustment, amplification and transmission process of RF signals, covering everything from basic signal modulation to complex power management and signal integrity maintenance.

[0003] Among them, the analysis method of the RF power supply output power amplification factor refers to the method of amplifying and precisely controlling the output power of the RF power supply through specific technical means. The technical matters targeted cover the measurement, adjustment and optimization of the output power. Specifically, the parameters of the power amplifier are adjusted by analyzing the output characteristics of the power supply to achieve a predetermined power output level, which is mainly achieved by adjusting the circuit design and parameter configuration.

[0004] The common problems of slow power regulation and inaccurate control in existing technologies under highly variable load environments have not yet been effectively solved. When the power output needs to be adjusted quickly to adapt to environmental changes, the system response is not fast enough or is inaccurate, affecting the overall performance. In the case of a sudden increase in load, the power output cannot be adjusted in time, resulting in energy waste or even equipment damage. In addition, due to the lack of in-depth analysis of power loss and precise amplification factor adjustment, the operating efficiency of the equipment cannot be maximized, limiting the widespread application of RF systems under complex or harsh conditions. Summary of the invention

[0005] In order to solve the problem of slow power regulation response and inaccurate control in high-variable load environments in the prior art, which has not been effectively solved, when the power output needs to be adjusted quickly to adapt to environmental changes, the system response is not fast enough or is inaccurate, affecting the overall performance. In the case of a sudden increase in load, the power output cannot be adjusted in time, resulting in energy waste or even equipment damage. In addition, due to the lack of in-depth analysis of power loss and accurate adjustment of the gain factor, the operating efficiency of the equipment cannot be maximized, which limits the technical problem of the wide application of RF systems under complex or harsh conditions. The embodiment of the present invention provides a method and system for analyzing the output power gain factor of an RF power supply. The technical solution is as follows:

[0006] On the one hand, a method for analyzing the output power amplification factor of a radio frequency power supply is provided, comprising the following steps:

[0007] S1: Obtain the input power, voltage and current parameters of the RF power amplifier, calculate the average output power of the power supply, analyze the change trend of the power under load, determine the operating state of the amplifier, and establish a power output data set;

[0008] S2: based on the power output data set, extract the power loss of the amplifier, analyze the fluctuation range of the loss value under load, determine the value interval of the amplification factor, and obtain the adjustment range of the amplification factor;

[0009] S3: calling the amplification factor adjustment range, calculating the amplifier power change gradient, determining the power offset rate, screening data points with abnormal fluctuations, comparing with the reference value, identifying the degree of deviation, and establishing an abnormal fluctuation feature set;

[0010] S4: Based on the abnormal fluctuation feature set, analyze the distribution of abnormal power fluctuations, calculate the frequency and duration of abnormal fluctuations, identify the power change rate under normal conditions, determine the load change during abnormal fluctuations, and obtain an abnormal power fluctuation index;

[0011] S5: Based on the abnormal power fluctuation index, monitor the input voltage and the amplification factor during the abnormal fluctuation, calculate the voltage change rate, compare with the normal voltage fluctuation, adjust the amplification factor, and obtain the optimized amplification factor.

[0012] On the other hand, the power output data set includes current fluctuation records, power change trends and amplifier status indicators, the amplification factor adjustment range includes the amplification factor peak, amplification factor trough and original amplification factor, the abnormal fluctuation feature set includes the power value, timestamp and load status parameters of the abnormal fluctuation, the power abnormal fluctuation indicators include the abnormal fluctuation frequency, duration and fluctuation rate, and the optimized amplification factor includes the adjusted amplification factor, voltage change rate and power stability comparison value.

[0013] On the other hand, the steps of acquiring the power output data set are specifically as follows:

[0014] S101: obtaining input power, voltage and current parameters of the RF power amplifier, measuring current fluctuations at the load end, calculating input power and current change rates, analyzing the impact of voltage changes on input power, identifying voltage input characteristics of the amplifier under differential load conditions, and obtaining an input power parameter set;

[0015] S102: Based on the input power parameter set, monitor the current response of the load end, analyze the change curve of the load current under the different input power states, calculate the influence range of the current change on the power output, determine the current fluctuation range, screen the power output data when the current is stable, and obtain the current stability index;

[0016] S103: calling the current stability index, calculating the average power output power of the power supply in multiple time periods, analyzing the fluctuation of the power output under different load states, determining the power stability of the amplifier under each operating state, and establishing a power output data set.

[0017] On the other hand, the step of obtaining the amplification factor adjustment range is specifically as follows:

[0018] S201: extracting the amplifier input power and output power data based on the power output data set, calculating the input-output power ratio at the difference time point, determining the power change rate of the amplifier in each time period, identifying the power output change trend, and obtaining the amplification factor ratio;

[0019] S202: calling the amplification factor ratio, calculating the power loss at adjacent time points, analyzing the power loss under different load states, determining the peak and valley distribution of the loss, determining the power loss interval, and obtaining the power loss distribution;

[0020] S203: Based on the power loss distribution, analyzing the variation trend of the amplifier amplification factor, identifying the fluctuation amplitude of the amplification factor under the differential load state, determining the variation range of the amplification factor in the power loss interval, and obtaining the amplification factor adjustment range.

[0021] On the other hand, the steps of obtaining the abnormal fluctuation feature set are specifically as follows:

[0022] S301: calling the amplification factor adjustment range, calculating the input power change rate and the output power adjustment amplitude, analyzing the influence of the input power fluctuation on the amplification factor, determining the gain fluctuation caused by the input power change, measuring the energy loss in the power amplification, and obtaining the power adjustment efficiency index;

[0023] S302: Based on the power adjustment efficiency index, calculate the power change rate within the difference time window, analyze the matching degree of power input and output, identify the acceleration and deceleration time points of the power change rate, determine the interval where the power fluctuation exceeds the normal range, screen abnormal power data that deviates from the stable benchmark, and obtain abnormal power fluctuation records;

[0024] S303: calling the abnormal power fluctuation record, determining the deviation range of the power output from the stable reference value, analyzing the impact of the abnormal power fluctuation on the amplifier performance, determining the performance adjustment range that meets the stable power output, and establishing an abnormal fluctuation feature set.

[0025] On the other hand, the input power change rate and the output power adjustment range are calculated using the formula: ;

[0026] Analyze the impact of input power fluctuations on the amplification factor, determine the gain fluctuations caused by input power changes, measure the energy loss in power amplification, and obtain the power adjustment efficiency index;

[0027] in, Representing time point The input power change rate, and Represents time points and The input power, Representing time point The sampling time window to which it belongs.

[0028] On the other hand, the steps of obtaining the power abnormal fluctuation index are specifically as follows:

[0029] S401: based on the abnormal fluctuation feature set, extracting power fluctuation data exceeding the stability benchmark, calculating the offset value of each abnormal data point, analyzing the distribution of power fluctuations during the operation time, determining the occurrence frequency of abnormal power fluctuations, and obtaining abnormal power distribution features;

[0030] S402: calling the abnormal power distribution feature, calculating the input power change rate in the adjacent time periods of the power abnormal point, analyzing the time delay relationship between the power adjustment and the abnormal fluctuation, determining the impact of the input power fluctuation on the amplifier gain, and obtaining the gain adjustment response data;

[0031] S403: Based on the gain adjustment response data, extract the working parameters of the load state at the time of abnormal fluctuation, calculate the correlation between the load state and the power fluctuation, judge whether the power fluctuation is affected by the load change, determine the power offset data caused by the abnormal load state, and obtain the power abnormal fluctuation index.

[0032] On the other hand, the correlation between the load state and the power fluctuation is calculated using the formula: ;

[0033] Determine whether the power fluctuation is affected by the load change, determine the power offset data caused by the abnormal load state, and obtain the power abnormal fluctuation index;

[0034] in, Represents the correlation between load status and power fluctuation, Representative The power value at a moment, Represents the mean of all power values, Representative Load state parameters at a moment, Represents the mean value of all load state parameters, represents the total number of time points at which the power is measured, Represents the total number of time points at which the load state is measured.

[0035] On the other hand, the steps of obtaining the optimized magnification factor are specifically as follows:

[0036] S501: Based on the abnormal power fluctuation index, extract the amplifier operating parameters when the abnormal power fluctuation occurs, screen the input voltage data of the RF power supply, determine the instantaneous fluctuation amplitude of the input voltage when the abnormality occurs, calculate the voltage change rate, analyze the variation characteristics of the input voltage, and obtain voltage fluctuation characteristic data;

[0037] S502: calling the voltage fluctuation characteristic data, comparing the voltage variation range during abnormal fluctuation and normal operation, calculating the offset amplitude of the input voltage during power fluctuation, analyzing the impact of voltage fluctuation on power output stability, and obtaining voltage offset analysis results;

[0038] S503: Based on the voltage offset analysis result, identify the amplifier amplification factor when the voltage is offset, and compare it with the amplification factor average value, adjust the amplification factor range under real-time voltage fluctuation, select the optimal amplification factor when the power output is stable, and obtain the optimized amplification factor.

[0039] On the other hand, a system for analyzing the output power amplification factor of a radio frequency power supply is provided, and the system is applied to a method for analyzing the output power amplification factor of a radio frequency power supply, including:

[0040] The power data integration module obtains the input power, voltage and current parameters of the RF power amplifier, calculates the average power output power of the power supply, analyzes the power change trend under load conditions, and establishes a power output data set;

[0041] The amplification factor calculation module extracts the power loss of the amplifier based on the power output data set, analyzes the fluctuation range of the loss value under load, determines the value interval of the amplification factor, and obtains the adjustment range of the amplification factor;

[0042] The power fluctuation analysis module calls the amplification factor adjustment range, calculates the amplifier power change gradient, determines the power offset rate, screens data points with abnormal fluctuations, compares with the benchmark value, identifies the degree of deviation, and establishes an abnormal fluctuation feature set;

[0043] The abnormal fluctuation index module analyzes the distribution of abnormal power fluctuations based on the abnormal fluctuation feature set, calculates the frequency and duration of abnormal fluctuations, identifies the power change rate under normal conditions, determines the load change during abnormal fluctuations, and obtains the power abnormal fluctuation index;

[0044] The amplification factor optimization module monitors the input voltage and amplification factor during abnormal fluctuations based on the power abnormal fluctuation index, calculates the voltage change rate, compares it with the normal voltage fluctuation, adjusts the amplification factor, and obtains an optimized amplification factor.

[0045] The beneficial effects brought about by the technical solution provided by the embodiment of the present invention include at least:

[0046] The innovative solution achieves instant adjustment and optimization of the amplifier's operating status by continuously tracking the average value of power output and performing detailed analysis of different load conditions. In addition, by quantitatively analyzing power loss and fluctuation range, it ensures accurate adjustment of the amplification factor, thereby optimizing the amplification effect and significantly improving the energy efficiency and responsiveness of the equipment. Through sophisticated power stability analysis and dynamic adjustment of the amplification factor, it effectively responds to challenges in complex operating environments and ensures continuous stability and high efficiency of power output, especially under frequently changing load conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0048] Figure 1 It is a main step flow chart of the present invention;

[0049] Figure 2 is a flow chart of the steps of S1 of the present invention;

[0050] Figure 3 is a flow chart of the steps of S2 of the present invention;

[0051] Figure 4 is a flow chart of the steps of S3 of the present invention;

[0052] Figure 5 is a flow chart of the steps of S4 of the present invention;

[0053] Figure 6 is a flow chart of the steps of S5 of the present invention;

[0054] Figure 7 It is a system block diagram of the present invention. DETAILED DESCRIPTION

[0055] The technical solution of the present invention is described below in conjunction with the accompanying drawings.

[0056] In the embodiments of the present invention, words such as "exemplarily" and "for example" are used to indicate examples, illustrations or explanations. Any embodiment or design described as "example" in the present invention should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of the word "example" is intended to present the concept in a specific way. In addition, in the embodiments of the present invention, the meaning expressed by "and / or" can be both, or it can be either of the two.

[0057] In the embodiments of the present invention, "image" and "picture" can sometimes be used interchangeably. It should be noted that when the difference between them is not emphasized, the meanings they intend to express are the same. "of", "corresponding, relevant" and "corresponding" can sometimes be used interchangeably. It should be noted that when the difference between them is not emphasized, the meanings they intend to express are the same.

[0058] In the embodiments of the present invention, sometimes a subscript such as W1 may be written as a non-subscript such as W1. When the difference is not emphasized, the meanings to be expressed are the same.

[0059] In order to make the technical problems, technical solutions and advantages to be solved by the present invention more clear, a detailed description will be given below with reference to the accompanying drawings and specific embodiments.

[0060] The embodiment of the present invention provides a method for analyzing the output power amplification factor of a radio frequency power supply, such as Figure 1 As shown, the following steps are included:

[0061] S1: Obtain the input power, voltage and current parameters of the RF power amplifier, detect the current changes at the power supply end and the load end, calculate the average power output power of the power supply in multiple time periods, analyze the power change trend under different load conditions, determine the amplifier operation status, and establish a power output data set;

[0062] S2: Based on the power output data set, extract the amplifier input and output power data, count the power loss at different time points, analyze the fluctuation range of the loss value under different load conditions, determine the value range of the amplifier amplification factor according to the fluctuation, and obtain the amplification factor adjustment range;

[0063] S3: Call the amplification factor adjustment range, calculate the amplifier power change gradient at adjacent times, analyze the power offset rate within the difference time window, determine the power fluctuation range and filter the data points with abnormal fluctuations, compare the stability benchmark value, identify the degree of deviation of the power output, and establish an abnormal fluctuation feature set;

[0064] S4: Based on the abnormal fluctuation feature set, analyze the distribution of abnormal power fluctuations during the operation time, calculate the frequency of abnormal power fluctuations, determine the duration of abnormal fluctuations, identify the power change rate before the abnormal point occurs, determine the load state change trend during abnormal fluctuations, and obtain the power abnormal fluctuation index;

[0065] S5: Based on the abnormal power fluctuation index, monitor the input voltage of the RF power supply and the amplification factor of the amplifier when the abnormal power fluctuation occurs, calculate the input voltage change rate, and compare it with the voltage fluctuation during normal operation, adjust the amplification factor under real-time voltage fluctuation, determine the optimal amplification factor when the power output is stable, and obtain the optimized amplification factor.

[0066] The power output data set includes current fluctuation records, power change trends and amplifier status indicators. The amplification factor adjustment range includes the amplification factor peak, amplification factor trough and original amplification factor. The abnormal fluctuation feature set includes the power value, timestamp and load status parameters of the abnormal fluctuation. The power abnormal fluctuation indicators include the abnormal fluctuation frequency, duration and fluctuation rate. The optimized amplification factor includes the adjusted amplification factor, voltage change rate and power stability comparison value.

[0067] like Figure 2 As shown in Figure 2, the steps for obtaining the power output data set are as follows:

[0068] S101: obtaining input power, voltage and current parameters of the RF power amplifier, measuring current fluctuations at the load end, calculating input power and current change rates, analyzing the impact of voltage changes on input power, identifying voltage input characteristics of the amplifier under differential load conditions, and obtaining an input power parameter set;

[0069] Use high-precision current sensors to collect current change data at the load end, set different sampling time windows, compare the sudden change of current in a short period of time and the long-term trend, and determine the impact of the load on the input power by comparing the current changes under different load conditions. Calculate the input power and current change rate. Calculate the power change per unit time, where is the power increment, is the input voltage, is the current increment, The power changes at multiple moments are calculated and weighted averaged within a specific time window to analyze the impact of voltage changes on input power. The input power at different voltage levels is fitted using a linear fitting method to obtain The changing trend of the voltage input is screened out, and the voltage input stable interval is screened out. Combined with the changes in current and power, the voltage input characteristics of the amplifier under different load states are identified. By comparing the current response curves under different load conditions, the slope of the load characteristic curve is calculated, the feedback effect of the load on the input power is judged, and the input power parameter set is obtained.

[0070] S102: Based on the input power parameter set, monitor the current response of the load end, analyze the change curve of the load current under the different input power states, calculate the influence range of the current change on the power output, determine the current fluctuation range, screen the power output data when the current is stable, and obtain the current stability index;

[0071] The continuous current measurement method is used to obtain the load current data under specific input power conditions. Calculate the current variation under different input power states, where and Respectively represent the maximum and minimum values ​​of the load current, analyze the change curve of the load current under different input power states, draw a scatter plot of input power and current change amplitude, use the least squares method to fit the curve, observe the current response mode under different input power conditions, calculate the impact range of current change on power output, and use the ratio method to calculate the current change caused by unit input power change, that is, , determine the current fluctuation range and set the current fluctuation reference value , calculate the current change rate , filter to meet The power output data of the current is obtained, and the power mean and variance in the interval are further calculated to obtain the power output data when the current is stable and obtain the current stability index.

[0072] S103: calling the current stability index, calculating the average power output power of the power supply in multiple time periods, analyzing the fluctuation of the power output under different load states, determining the power stability of the amplifier under each operating state, and establishing a power output data set.

[0073] Set the sliding time window and use the moving average method to calculate the power mean, that is, ,in is the average power in the time window, For the moment The power value, is the number of data points in the window, analyzes the fluctuation of power output under different load conditions, and calculates the variance of power changes in different time windows , to determine whether the variance change exceeds the stability threshold , set the stability benchmark under different load conditions, determine the power stability of the amplifier under each operating state, compare the power change trends under different load conditions, screen the power data sets that meet the stability conditions, and establish the power output data set.

[0074] like Figure 3 As shown, the steps for obtaining the magnification factor adjustment range are specifically as follows:

[0075] S201: extracting the input power and output power data of the amplifier based on the power output data set, calculating the input-output power ratio at the difference time point, determining the power change rate of the amplifier in each time period, identifying the power output change trend, and obtaining the amplification factor ratio;

[0076] Select multiple time points as the analysis benchmark, calculate the input-output power ratio at the different time points, and use the ratio calculation formula Calculate the magnification factor, where Indicates time point The magnification factor, and Respectively represent the output power and input power at that time point, compare the amplification factors at consecutive time points, calculate the power change rate of the amplifier in each time period, and use the formula Calculate the power change rate, where Representing time point The power change rate is analyzed by analyzing the change rate trend at multiple time points, identifying the rising, falling or stable range of power output, comparing the amplification factor fluctuations under different load conditions, and obtaining the amplification factor ratio.

[0077] S202: calling the amplification factor ratio, calculating the power loss at adjacent time points, analyzing the power loss under different load states, determining the peak and valley distribution of the loss, determining the power loss interval, and obtaining the power loss distribution;

[0078] Using formula Calculate time points The power loss is represents the power loss at that moment, and Represent input and output power respectively, analyze power loss under different load conditions, draw a curve chart of load state and power loss, determine the peak and valley distribution of loss, and calculate the maximum value of power loss and minimum value , set the loss threshold , the screening loss is greater than At the time point of the power loss fluctuation, the period of time when the power loss fluctuates significantly is identified, the power loss interval is determined, and the power loss distribution is obtained.

[0079] S203: Based on the power loss distribution, analyze the change trend of the amplifier amplification factor, identify the fluctuation amplitude of the amplification factor under the differential load state, determine the variation range of the amplification factor in the power loss range, and obtain the amplification factor adjustment range.

[0080] Compare the amplification factor values ​​in different power loss ranges and calculate the fluctuation range of the amplification factor ,in Representing time point The change in the amplification factor is used to identify the fluctuation range of the amplification factor under different load conditions and set the reference value for the change in the amplification factor. , the screening magnification factor changes by more than , calculate the variation range of the amplification factor in the power loss range, and take the minimum value of the amplification factor and maximum value , get the magnification factor adjustment range.

[0081] like Figure 4 As shown in FIG. 1 , the specific steps for obtaining the abnormal fluctuation feature set are:

[0082] S301: calling the amplification factor adjustment range, calculating the input power change rate and the output power adjustment range, analyzing the influence of the input power fluctuation on the amplification factor, determining the gain fluctuation caused by the input power change, measuring the energy loss in the power amplification, and obtaining the power adjustment efficiency index;

[0083] Calculate the input power change rate and output power adjustment range using the formula: ;

[0084] Analyze the impact of input power fluctuations on the amplification factor, determine the gain fluctuations caused by input power changes, measure the energy loss in power amplification, and obtain the power adjustment efficiency index;

[0085] in, Representing time point The input power change rate, and Represents time points and The input power, Representing time point The sampling time window to which it belongs;

[0086] Input Power The input power monitoring equipment of the RF power supply is used to measure at the time point Collect power values. Input power data is collected using a high-frequency power sensor based on time intervals. Real-time monitoring is performed in watts (W). Assume that the power value measured is ;

[0087] Input Power Using the same measuring device at time Record the power data as the previous data point of the current input power. The measured value is ;

[0088] Sampling time window The time interval provided by the data sampling device sets the window size based on the data acquisition frequency and signal response speed of the device. If the monitoring device collects data at a rate of 500 sets of data per second, then ;

[0089] Calculate the input power change: ;

[0090] Compute the square root of a time window: ;

[0091] Calculate the total input power: ;

[0092] Calculate the input power change rate: ;

[0093] The results show that the input power is The relative rate of change at is 0.4567, which indicates the degree of input power fluctuation at adjacent time points. The higher the value, the more drastic the input power change, and the lower the value, the more stable the input power. This rate of change is used for subsequent analysis of the impact of input power fluctuations on the amplification factor and as a reference parameter for judging the stability of power adjustment.

[0094] S302: Based on the power adjustment efficiency index, calculate the power change rate within the difference time window, analyze the matching degree of power input and output, identify the acceleration and deceleration time points of the power change rate, determine the interval where the power fluctuation exceeds the normal range, screen the abnormal power data that deviates from the stable benchmark, and obtain the abnormal power fluctuation record;

[0095] Set time window , calculate the power change rate within the window ,in Represents the output power at the start time of the window, is the time window width, analyzes the matching degree between power input and output, and calculates the matching deviation value , filter matching deviation greater than the set threshold time period, identify the acceleration and deceleration time points of the power change rate, and calculate the first-order derivative of the power change rate , determine the distribution of positive and negative values, determine the interval where the power fluctuation exceeds the normal range, and compare it with the set stability benchmark , filter out power deviation to obtain abnormal power fluctuation records.

[0096] S303: Call abnormal power fluctuation records, measure the deviation range of power output and stable reference value, analyze the impact of abnormal power fluctuation on amplifier performance, determine the performance adjustment range that meets stable power output, and establish abnormal fluctuation feature set.

[0097] Calculate the deviation percentage , analyze the impact of abnormal power fluctuations on amplifier performance, and calculate the amplifier performance fluctuation rate , identify the changes in amplifier characteristics when power fluctuations are large, determine the performance adjustment range that meets stable power output, extract amplifier operating parameters such as input power, current and load status, establish an amplification factor adjustment model, and screen out amplifiers that fluctuate below a set threshold The amplification coefficient interval when , establishes the abnormal fluctuation feature set.

[0098] like Figure 5 As shown in FIG. 1 , the steps for obtaining the abnormal power fluctuation index are as follows:

[0099] S401: extracting power fluctuation data exceeding the stability benchmark based on the abnormal fluctuation feature set, calculating the offset value of each abnormal data point, analyzing the distribution of power fluctuations during the operation time, determining the occurrence frequency of abnormal power fluctuations, and obtaining abnormal power distribution features;

[0100] For a certain point in time , its power output is defined as , the stable reference power is , calculate the offset value , and count the deviations of all abnormal data points, calculate the mean and standard deviation, analyze the distribution characteristics of power fluctuations, and then use time series analysis methods to calculate the distribution density of abnormal data , the formula is: ,in, is the total running time points, is the power deviation threshold set. This formula is used to count the proportion of abnormal power data in different time periods, and then determine the frequency and distribution characteristics of abnormal power fluctuations. For example, the stable power of a motor is , the actual power output at 10 seconds is , then the offset If the abnormality threshold is set , then the power fluctuation at this moment is considered to be an abnormal situation. Assuming that the statistics time points, of which 200 have power deviations exceeding 3kW, the distribution density is calculated as: , that is, the motor has abnormal power fluctuations 20% of the time during its operation, so that the trend and impact of the fluctuations can be further analyzed.

[0101] S402: calling abnormal power distribution characteristics, calculating the input power change rate in adjacent time periods of the power abnormal point, analyzing the time delay relationship between power adjustment and abnormal fluctuation, determining the impact of input power fluctuation on amplifier gain, and obtaining gain adjustment response data;

[0102] The rate of change of power fluctuation, lag time and gain fluctuation can be analyzed through mathematical calculations to evaluate the impact of input power adjustment on system gain. By formula Calculate, where and are the input power at the current time point and the adjacent time point, For example, in a system, if the input power at time point 1 is 100 kW and at time point 2 is 110 kW, and seconds, then , indicating that the power increases by 10kW per second. In addition, in order to study the time delay relationship of power fluctuations, the lag time of the abnormal power fluctuation point can be calculated , that is, to find a moment in the past Make the output power closest to the current value, so as to analyze the hysteresis characteristics of power adjustment. Further, in order to evaluate the gain fluctuation trend, calculate the gain fluctuation amount , if the output power of a system at time point 2 is 102kW and the input power is 110kW, and the output power at the previous time point 1 is 95kW and the input power is 100kW, then , indicating that the gain decreases slightly. The calculation method can be widely used in scenarios such as power grid dispatching and wind power forecasting to evaluate the impact of power fluctuations on system gain and optimize the power regulation strategy.

[0103] S403: Based on the gain adjustment response data, extract the working parameters of the load state at the time of abnormal fluctuation, calculate the correlation between the load state and the power fluctuation, determine whether the power fluctuation is affected by the load change, determine the power offset data caused by the abnormal load state, and obtain the power abnormal fluctuation index.

[0104] To calculate the correlation between load status and power fluctuation, the formula is used: ;

[0105] Determine whether the power fluctuation is affected by the load change, determine the power offset data caused by the abnormal load state, and obtain the power abnormal fluctuation index;

[0106] in, Represents the correlation between load status and power fluctuation, Representative The power value at a moment, Represents the mean of all power values, Representative Load state parameters at a moment, Represents the mean value of all load state parameters, represents the total number of time points at which the power is measured, The total number of time points representing the load state measurements;

[0107] Assume that in an industrial system, the total number of power measurement points is 1000 and the total number of load status measurement points is also 1000. The specific steps are as follows:

[0108] To calculate the mean of the power values, add up all the power measurements and divide by the total number of measurement points. Assuming the power measurements are in kilowatts (kW), the calculation is as follows: ;

[0109] For example, if the total power measurement is 50000kW, then: ;

[0110] Calculate the mean value of the load state parameter by adding up all load state measurements and dividing by the total number of measurement points. Assuming the load state parameter is a dimensionless value, the calculation is as follows: ;

[0111] For example, if the total load status measurement is 2000, then: ;

[0112] Calculate the numerator part:

[0113] Calculate the sum of the absolute values ​​of the power values ​​and the mean: ;

[0114] For example, if the sum of the absolute values ​​of the differences between each power measurement and the mean is 8000kW, then: ;

[0115] Calculate the sum of squares of the load state parameter's deviation from the mean: ;

[0116] For example, if the sum of the squares of the differences between each load state measurement and the mean is 500, then: ;

[0117] Calculate the numerator: ;

[0118] Calculate the denominator:

[0119] Calculate the sum of squares of the differences between the power values ​​and the mean: ;

[0120] For example, if the sum of the squares of the differences between each power measurement and the mean is 10,000, then: ;

[0121] Calculate the denominator: ;

[0122] Calculate the correlation: ;

[0123] The result shows that the correlation between load status and power fluctuation is 17.03, and the larger the value, the stronger the correlation.

[0124] like Figure 6 As shown, the steps for obtaining the optimized magnification factor are specifically as follows:

[0125] S501: based on the abnormal power fluctuation index, extract the amplifier operating parameters when the abnormal power fluctuation occurs, screen the input voltage data of the RF power supply, determine the instantaneous fluctuation amplitude of the input voltage when the abnormality occurs, calculate the voltage change rate, analyze the variation characteristics of the input voltage, and obtain voltage fluctuation characteristic data;

[0126] Calculate the instantaneous fluctuation amplitude, voltage change rate, mean and variance to evaluate the voltage fluctuation trend. By formula Calculate, where and are the input voltages at adjacent time points. For example, the input voltages of a power device at time points 1 and 2 are 220V and 225V respectively. At the same time, calculate the voltage change rate ,in is the sampling time interval. Assume , then the voltage change rate at time point 2 is , further, calculate the mean voltage fluctuation at all abnormal moments , if the input voltage at time point 3 is 218V, we get , then the mean is Finally, calculate the voltage fluctuation variance To evaluate the degree of fluctuation dispersion, we substitute the data into ,This method can be used to draw a voltage fluctuation trend graph and extract ,voltage fluctuation characteristic data to be applied to scenarios such as grid monitoring and power quality analysis to obtain ,voltage fluctuation characteristic data.

[0127] S502: calling voltage fluctuation characteristic data, comparing the voltage variation range during abnormal fluctuation and normal operation, calculating the offset amplitude of the input voltage during power fluctuation, analyzing the impact of voltage fluctuation on power output stability, and obtaining voltage offset analysis results;

[0128] Calculate the input voltage deviation during abnormal fluctuations ,in The input voltage reference value during normal operation, the maximum value of the statistical deviation amplitude , minimum , calculate the mean of the offset amplitudes , analyze the impact of voltage fluctuations on power output stability, and calculate the correlation between power output changes and voltage fluctuations ,in For time point The output power is measured to obtain the voltage offset analysis results.

[0129] S503: Based on the voltage offset analysis result, identify the amplifier amplification factor when the voltage is offset, and compare it with the average amplification factor, adjust the amplification factor range under the real-time voltage fluctuation, select the optimal amplification factor when the power output is stable, and obtain the optimized amplification factor.

[0130] Calculate the amplification factor, its mean and fluctuation range, and further select the optimal interval of stable amplification factor. The calculation formula is ,in and Respectively represent The output power and input power at each time point are used to calculate the average amplification factor of all time points. Using formula ,in is the total number of samples. For example, if the amplification factors of a system are 1.2, 1.15, and 1.25, the mean amplification factor is , calculate the fluctuation range of the amplification factor To evaluate the fluctuation of the amplification factor, in order to optimize the amplification factor range, set the threshold of the stable amplification factor , filter to meet data points and calculate the optimal amplification factor interval Through this method, the amplification factor under voltage fluctuation can be adjusted to optimize system performance so that it can operate within a stable range. It is suitable for scenarios such as power amplifier circuits and power management systems to obtain an optimized amplification factor.

[0131] like Figure 7 As shown, a system for analyzing the output power amplification factor of a radio frequency power supply comprises:

[0132] The power data integration module obtains the input power, voltage and current parameters of the RF power amplifier, calculates the average power output power of the power supply, analyzes the power change trend under load conditions, and establishes a power output data set;

[0133] The amplification factor calculation module extracts the power loss of the amplifier based on the power output data set, analyzes the fluctuation range of the loss value under load, determines the value range of the amplification factor, and obtains the adjustment range of the amplification factor;

[0134] The power fluctuation analysis module calls the amplification factor adjustment range, calculates the amplifier power change gradient, determines the power offset rate, screens data points with abnormal fluctuations, compares with the baseline value, identifies the degree of deviation, and establishes an abnormal fluctuation feature set;

[0135] The abnormal fluctuation index module analyzes the distribution of abnormal power fluctuations based on the abnormal fluctuation feature set, calculates the frequency and duration of abnormal fluctuations, identifies the power change rate under normal conditions, determines the load change during abnormal fluctuations, and obtains the power abnormal fluctuation index;

[0136] The amplification factor optimization module is based on the power abnormal fluctuation index, monitors the input voltage and amplification factor during abnormal fluctuations, calculates the voltage change rate, compares it with the normal voltage fluctuation, adjusts the amplification factor, and obtains the optimized amplification factor.

[0137] It should be understood that the term "and / or" in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. A and B can be singular or plural. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship, but it may also indicate an "and / or" relationship. Please refer to the context for specific understanding.

[0138] In the present invention, "at least one" means one or more, and "plurality" means two or more. "At least one of the following" or similar expressions refers to any combination of these items, including any combination of single items or plural items. For example, at least one of a, b, or c can mean: a, b, c, ab, ac, bc, or abc, where a, b, and c can be single or multiple.

[0139] It should be understood that in various embodiments of the present invention, the size of the serial numbers of the above-mentioned processes does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present invention.

[0140] Those skilled in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of the present invention.

[0141] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the above-described equipment, devices and units can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0142] In the several embodiments provided by the present invention, it should be understood that the disclosed devices, apparatuses and methods can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another device, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0143] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0144] In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0145] If the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention, or the part that contributes to the prior art, or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium, including several instructions for enabling a computer device (which can be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), disk or optical disk, and other media that can store program codes.

[0146] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A method for analyzing the output power amplification factor of a radio frequency power supply, characterized in that: The method comprises: S1: Obtain the input power, voltage and current parameters of the RF power amplifier, calculate the average output power of the power supply, analyze the change trend of the power under load, determine the operating state of the amplifier, and establish a power output data set; S2: based on the power output data set, extract the power loss of the amplifier, analyze the fluctuation range of the loss value under load, determine the value interval of the amplification factor, and obtain the adjustment range of the amplification factor; S3: calling the amplification factor adjustment range, calculating the amplifier power change gradient, determining the power offset rate, screening data points with abnormal fluctuations, comparing with the reference value, identifying the degree of deviation, and establishing an abnormal fluctuation feature set; S4: Based on the abnormal fluctuation feature set, analyze the distribution of abnormal power fluctuations, calculate the frequency and duration of abnormal fluctuations, identify the power change rate under normal conditions, determine the load change during abnormal fluctuations, and obtain an abnormal power fluctuation index; S5: Based on the abnormal power fluctuation index, monitor the input voltage and the amplification factor during the abnormal fluctuation, calculate the voltage change rate, compare with the normal voltage fluctuation, adjust the amplification factor, and obtain the optimized amplification factor.

2. The method for analyzing the output power amplification factor of a radio frequency power supply according to claim 1, characterized in that: The power output data set includes current fluctuation records, power change trends and amplifier status indicators. The amplification factor adjustment range includes the amplification factor peak, amplification factor trough and original amplification factor. The abnormal fluctuation feature set includes the power value, timestamp and load status parameters of the abnormal fluctuation. The power abnormal fluctuation indicators include the abnormal fluctuation frequency, duration and fluctuation rate. The optimized amplification factor includes the adjusted amplification factor, voltage change rate and power stability comparison value.

3. The method for analyzing the output power amplification factor of a radio frequency power supply according to claim 1, characterized in that: The steps of acquiring the power output data set are specifically as follows: S101: obtaining input power, voltage and current parameters of the RF power amplifier, measuring current fluctuations at the load end, calculating input power and current change rates, analyzing the impact of voltage changes on input power, identifying voltage input characteristics of the amplifier under differential load conditions, and obtaining an input power parameter set; S102: Based on the input power parameter set, monitor the current response of the load end, analyze the change curve of the load current under the different input power states, calculate the influence range of the current change on the power output, determine the current fluctuation range, screen the power output data when the current is stable, and obtain the current stability index; S103: calling the current stability index, calculating the average power output power of the power supply in multiple time periods, analyzing the fluctuation of the power output under different load states, determining the power stability of the amplifier under each operating state, and establishing a power output data set.

4. The method for analyzing the output power amplification factor of a radio frequency power supply according to claim 1, characterized in that: The steps of obtaining the amplification factor adjustment range are specifically as follows: S201: extracting the amplifier input power and output power data based on the power output data set, calculating the input-output power ratio at the difference time point, determining the power change rate of the amplifier in each time period, identifying the power output change trend, and obtaining the amplification factor ratio; S202: calling the amplification factor ratio, calculating the power loss at adjacent time points, analyzing the power loss under different load states, determining the peak and valley distribution of the loss, determining the power loss interval, and obtaining the power loss distribution; S203: Based on the power loss distribution, analyzing the variation trend of the amplifier amplification factor, identifying the fluctuation amplitude of the amplification factor under the differential load state, determining the variation range of the amplification factor in the power loss interval, and obtaining the amplification factor adjustment range.

5. The method for analyzing the output power amplification factor of a radio frequency power supply according to claim 1, characterized in that: The steps of obtaining the abnormal fluctuation feature set are specifically as follows: S301: calling the amplification factor adjustment range, calculating the input power change rate and the output power adjustment amplitude, analyzing the influence of the input power fluctuation on the amplification factor, determining the gain fluctuation caused by the input power change, measuring the energy loss in the power amplification, and obtaining the power adjustment efficiency index; S302: Based on the power adjustment efficiency index, calculate the power change rate within the difference time window, analyze the matching degree of power input and output, identify the acceleration and deceleration time points of the power change rate, determine the interval where the power fluctuation exceeds the normal range, screen abnormal power data that deviates from the stable benchmark, and obtain abnormal power fluctuation records; S303: calling the abnormal power fluctuation record, determining the deviation range of the power output from the stable reference value, analyzing the impact of the abnormal power fluctuation on the amplifier performance, determining the performance adjustment range that meets the stable power output, and establishing an abnormal fluctuation feature set.

6. The method for analyzing the output power amplification factor of a radio frequency power supply according to claim 5, characterized in that: The calculation of the input power change rate and the output power adjustment range adopts the formula: ； Analyze the impact of input power fluctuations on the amplification factor, determine the gain fluctuations caused by input power changes, measure the energy loss in power amplification, and obtain the power adjustment efficiency index; in, Representing time point The input power change rate, and Represents time points and The input power, Representing time point The sampling time window to which it belongs.

7. The method for analyzing the output power amplification factor of a radio frequency power supply according to claim 1, characterized in that: The steps of obtaining the abnormal power fluctuation index are specifically as follows: S401: based on the abnormal fluctuation feature set, extracting power fluctuation data exceeding the stability benchmark, calculating the offset value of each abnormal data point, analyzing the distribution of power fluctuations during the operation time, determining the occurrence frequency of abnormal power fluctuations, and obtaining abnormal power distribution features; S402: calling the abnormal power distribution feature, calculating the input power change rate in the adjacent time periods of the power abnormal point, analyzing the time delay relationship between the power adjustment and the abnormal fluctuation, determining the impact of the input power fluctuation on the amplifier gain, and obtaining the gain adjustment response data; S403: Based on the gain adjustment response data, extract the working parameters of the load state at the time of abnormal fluctuation, calculate the correlation between the load state and the power fluctuation, judge whether the power fluctuation is affected by the load change, determine the power offset data caused by the abnormal load state, and obtain the power abnormal fluctuation index.

8. The method for analyzing the output power amplification factor of a radio frequency power supply according to claim 7, characterized in that: The calculation of the correlation between the load state and the power fluctuation adopts the formula: ； Determine whether the power fluctuation is affected by the load change, determine the power offset data caused by the abnormal load state, and obtain the power abnormal fluctuation index; in, Represents the correlation between load status and power fluctuation, Representative The power value at a moment, Represents the mean of all power values, Representative Load state parameters at a moment, Represents the mean value of all load state parameters, represents the total number of time points at which the power is measured, Represents the total number of time points at which the load state is measured.

9. The method for analyzing the output power amplification factor of a radio frequency power supply according to claim 1, characterized in that: The steps of obtaining the optimized magnification factor are specifically as follows: S501: Based on the abnormal power fluctuation index, extract the amplifier operating parameters when the abnormal power fluctuation occurs, screen the input voltage data of the RF power supply, determine the instantaneous fluctuation amplitude of the input voltage when the abnormality occurs, calculate the voltage change rate, analyze the variation characteristics of the input voltage, and obtain voltage fluctuation characteristic data; S502: calling the voltage fluctuation characteristic data, comparing the voltage variation range during abnormal fluctuation and normal operation, calculating the offset amplitude of the input voltage during power fluctuation, analyzing the impact of voltage fluctuation on power output stability, and obtaining voltage offset analysis results; S503: Based on the voltage offset analysis result, identify the amplifier amplification factor when the voltage is offset, and compare it with the amplification factor average value, adjust the amplification factor range under real-time voltage fluctuation, select the optimal amplification factor when the power output is stable, and obtain the optimized amplification factor.

10. A system for analyzing the output power amplification factor of a radio frequency power supply, wherein the system for analyzing the output power amplification factor of a radio frequency power supply is used to implement the method for analyzing the output power amplification factor of a radio frequency power supply as claimed in any one of claims 1 to 9, characterized in that: The system comprises: The power data integration module obtains the input power, voltage and current parameters of the RF power amplifier, calculates the average power output power of the power supply, analyzes the power change trend under load conditions, and establishes a power output data set; The amplification factor calculation module extracts the power loss of the amplifier based on the power output data set, analyzes the fluctuation range of the loss value under load, determines the value interval of the amplification factor, and obtains the adjustment range of the amplification factor; The power fluctuation analysis module calls the amplification factor adjustment range, calculates the amplifier power change gradient, determines the power offset rate, screens data points with abnormal fluctuations, compares with the benchmark value, identifies the degree of deviation, and establishes an abnormal fluctuation feature set; The abnormal fluctuation index module analyzes the distribution of abnormal power fluctuations based on the abnormal fluctuation feature set, calculates the frequency and duration of abnormal fluctuations, identifies the power change rate under normal conditions, determines the load change during abnormal fluctuations, and obtains the power abnormal fluctuation index; The amplification factor optimization module monitors the input voltage and amplification factor during abnormal fluctuations based on the power abnormal fluctuation index, calculates the voltage change rate, compares it with the normal voltage fluctuation, adjusts the amplification factor, and obtains an optimized amplification factor.

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