69 results about "Dielectric spectrum" patented technology

The invention discloses a terahertz reflectance spectrum-based insulating oil micro-water content and aging detection method, device and equipment and a storage medium, and relates to the technical field of dielectric spectroscopy, and the method comprises the following steps: sampling each standard sample to obtain a to-be-detected sample, placing each to-be-detected sample in a sample bearing vessel to obtain an oil film layer, reflecting terahertz wave beams are utilized to irradiate each oil film layer to obtain a terahertz amplitude spectrum and a terahertz phase spectrum, a target three-layer optical model is utilized to perform inversion to obtain a complex dielectric function frequency spectrum, and a preset sub-dielectric model is utilized to fit the complex dielectric function frequency spectrum to obtain a main resonance characteristic and a characteristic parameter set; determining a reference micro-water content based on the main resonance characteristics, determining training data based on the characteristic parameter set, and constructing a target multi-task regression model; and processing the characteristic parameter set by using the model to obtain an initial prediction result and a confidence interval, verifying the prediction result to obtain a target prediction result, and improving the efficiency of detecting the micro-water content and aging of the insulating oil.

The invention discloses a measurement and evaluation method and system for double analysis of the aging state of a cable, and belongs to the technical field of nondestructive testing of the insulation state of electrical equipment, and the method comprises the steps: obtaining a broadband dielectric spectrum of a corresponding aging sample in any aging period, and constructing low-frequency dielectric loss data related to a plurality of aging samples; obtaining group data of a standard measurement sample corresponding to any aging sample, and constructing oxidation data about a plurality of standard measurement samples; acquiring a dielectric spectrum space charge distribution diagram based on the low-frequency dielectric loss data, and acquiring an oxidation product concentration thermodynamic diagram based on the oxidation data; obtaining an aging grading result based on the low-frequency dielectric loss data and the oxidation data; and outputting a three-dimensional aging measurement evaluation report based on the dielectric spectrum space charge distribution diagram, the oxidation product concentration thermodynamic diagram and the aging grading result. According to the measurement and evaluation method and system for double analysis of the aging state of the cable, accurate quantification of the aging degree is achieved by synchronously analyzing the dielectric response and the chemical structure change.

This invention discloses a food baking processing control system and method, belonging to the field of intelligent control technology for food processing. The system includes: acquiring the dielectric properties of materials and capturing the dynamic changes in the dielectric loss tangent; simultaneously using time-domain dielectric spectroscopy analysis to identify the phase transition stages of the materials in real time; constructing a dual-channel heat conduction model and dynamically identifying the regional temperature gradient of the baking equipment based on the phase transition stages; and calculating the microwave power adjustment and fan speed ratio adjustment of the baking equipment based on the regional temperature gradient of the baking equipment using a multi-parameter coupled control algorithm, and generating a composite control command set. This invention identifies the phase transition stages of materials in real time using time-domain dielectric spectroscopy analysis, and accurately analyzes the correlation between the relaxation time distribution and the phase transition characteristic spectrum using inverse Laplace transform and dynamic time warping algorithms, achieving dynamic capture of key phase transition nodes such as glass transition and starch gelatinization.

The application discloses a kind of composite cemented filling material design method, and the application relates to the technical field of mine filling, comprising the following steps: determining optimization component and its optimization domain, and randomly generating multiple groups of design combinations, preparing filling material and filling to be filled sample to form composite filling body test piece;Sample test body is cured under simulated environment, with the degree of hydration heat reaction as index, dynamically adjust sampling interval and determine multiple sampling time;Coupling monitoring test is carried out using the detection method of pulse velocity and low-frequency dielectric spectrum combination, interface coupling degree parameter is extracted, and cementation coupling degree is calculated, and the termination time is determined based on its change rate;The structural strength at this time is obtained, and the preset strength is used as constraint, the cementation coupling degree maximization and the experimental time minimization are used as optimization goal, the double objective optimization function is set, and the optimal design combination is determined by optimization algorithm, which can significantly reduce engineering risk and prolong the service life of structure.

The present invention relates to a method (100) for dielectric spectroscopy of a material or a tissue under test, comprising the following steps: measuring (110) the reflection coefficient (11) signal as a function of the frequency of said material or tissue under test, by a vector network analyzer (3), wherein a single applicator (5) is in contact with said material or a tissue under test and wherein the applicator (5) is operatively connected to the vector network analyzer (3); multiplying (120) the reflection coefficient (11) signal with the frequency behavior of an ultra-wide band (UWB) signal as a synthetic applicator excitation; converting (130) the signal of the previous step into the time domain by an Inverse Fourier Transform (IFT); suppressing (140) part of the converted signal of the converting step (130), according to the applicator (5) geometry; converting back (150) the signal of the suppressing step (140) to the frequency domain; and extracting (160) from the frequency signal converted the dielectric properties (162) and / or estimating (170) the dimension of the material or a tissue under test and / or of an ablated area of the material or a tissue under test thereof. The present invention also relates to an apparatus for dielectric spectroscopy (1).

This invention relates to a method for assessing the defect risk of epoxy-impregnated paper bushing cores under rapid temperature rise conditions, belonging to the field of bushing core insulation condition assessment. This invention aims to solve the problem that existing technologies cannot assess the impact of bushing core defects on partial discharge and dielectric properties under rapid temperature rise scenarios. The technical solution includes: constructing a feature parameter dataset and determining defect classification thresholds; conducting performance parameter tests before and after rapid temperature rise; comparing and analyzing the defect discharge characteristic spectrum of the bushing core, the sensitivity of partial discharge under different voltage measurement methods, and the changes in high-voltage broadband dielectric spectrum characteristic parameters under cyclic voltage excitation; and finally achieving defect risk classification assessment. This invention can comprehensively assess the electrical performance reliability of bushing cores, effectively identify potential defect risks within the core, and provide technical support for the safe and stable operation of ultra-high voltage transmission systems under extreme temperature environments.

The invention discloses a transformer main insulation water content assessment method and device and electronic equipment. The method comprises the steps that an equivalent circuit model of a main insulation structure of the transformer and initial parameters of the equivalent circuit model are determined, and the initial parameters comprise the initial X parameter, the initial Y parameter, the initial water content of an insulation paperboard and the initial oil conductivity; performing a frequency domain dielectric spectrum test on the insulating paper board in the main insulating structure to obtain a frequency domain dielectric spectrum actual measurement curve of the insulating paper board; based on the initial parameters, obtaining a frequency domain dielectric spectrum modeling curve of the insulating paperboard; and by taking the minimum error between the frequency domain dielectric spectrum actual measurement curve and the frequency domain dielectric spectrum modeling curve as a target, performing parameter optimization on the equivalent circuit model by adopting a steepest descent method to obtain the predicted water content of the insulating paperboard. According to the invention, the technical problems of low water content evaluation accuracy and poor applicability of a transformer main insulation water content evaluation method in the prior art are solved.

The invention relates to a fault diagnosis method of a lithium iron phosphate battery, electronic equipment and a storage medium. Relates to the technical field of lithium iron phosphate battery fault diagnosis. The method comprises the following steps: under a variable-temperature working condition, synchronously acquiring multi-physical field data of a lithium iron phosphate battery by using special equipment; preprocessing the dielectric spectrum data, and outputting a standardized dielectric spectrum by using a temperature-age coupling algorithm; extracting and standardizing multiple types of features, and fusing by using a mutual information entropy algorithm to obtain a vector; inputting a multi-modal decision algorithm to identify a fault, and outputting probability, quantitative characteristics and fault association; and finally integrating information to determine the fault condition, and generating a complete diagnosis report. The method breaks through the limitation of single data diagnosis, synchronously collects multi-physical field data, and improves the fault recognition accuracy through standardization processing and dynamic fusion; and a multi-mode decision-making algorithm and the like are also adopted, so that fault types are accurately identified, association strength is clear, comprehensive state evaluation is provided, a complete report is generated, safety and reliability of the battery are guaranteed, and full-life-cycle management is assisted.

The invention discloses an IGBT packaging material dielectric property and thermal resistance linkage testing device, which relates to the technical field of packaging material testing, is used for carrying out performance evaluation on an IGBT packaging material in intelligent power distribution switch control equipment, and comprises a testing box, the inner wall of the testing box is covered with a thermal insulation layer, the front surface of the testing box is provided with a testing cavity, and the testing cavity is provided with a thermal resistance test cavity. And a lower heat conduction base is arranged at the bottom of the test cavity. The temperature field and heat flow state of a packaging material sample can be actively and accurately controlled, the working temperature rise and heat dissipation conditions of a real IGBT module are simulated, meanwhile, the lower electrode plate and the upper electrode plate directly make contact with the sample and are connected to the broadband dielectric impedance spectrometer, and therefore the temperature rise and heat dissipation conditions of the IGBT module can be simulated while controllable thermal excitation is applied. Dielectric spectrum characteristics of a material can be measured in situ in real time, the temperature sensor directly monitors the temperature of a sample interface, and then thermal resistance testing and broadband dielectric property testing can be dynamically evaluated in the same sample, the same time and the same controlled thermal environment.

The invention discloses a transformer bushing insulating property evaluation method, device and equipment. The method comprises the following steps: determining a frequency domain dielectric spectrum model curve according to a frequency domain dielectric spectrum characteristic curve of a transformer bushing through a preset XY model; calculating an error based on a complex dielectric constant according to the frequency domain dielectric spectrum model curve and the frequency domain dielectric spectrum test curve, and generating an error function; performing nonlinear optimization solution according to the error function by adopting a steepest descent method to obtain a water content parameter of the transformer bushing; and evaluating the insulation performance of the transformer bushing according to the water content parameter to obtain an insulation evaluation result. The technical problem that the insulation performance evaluation accuracy is low due to the fact that insulation degradation evaluation parameters of an existing transformer bushing lack pertinence and the physicochemical characteristics of the bushing are ignored can be solved.

The invention belongs to the technical field of power equipment insulation state detection, and particularly relates to an XLPE cable water branch quantitative evaluation method and system based on frequency conversion pseudo trapezoidal wave excitation, and the method comprises the steps: applying pseudo trapezoidal wave excitation, and collecting voltage and current signals; wavelet and adaptive filtering are combined for denoising; establishing a Wiener-ANN nonlinear dielectric response model, and fitting cable response through the combination of a dynamic linear neural network module and a static neural network module; obtaining a frequency domain dielectric spectrum and extracting a multi-harmonic characteristic parameter, a loss slope, a hysteresis angle and a time domain nonlinearity; and finally, outputting a water treeing aging comprehensive index WTI through the support vector machine regression model to realize quantitative evaluation of the aging degree. The system comprises a pseudo trapezoidal wave excitation unit, a high-voltage amplification unit, a micro-current acquisition unit, a signal processing unit and an aging evaluation unit. The broadband harmonic response can be obtained through a single test, the test efficiency is improved by more than 75%, the anti-interference performance is high, the evaluation precision is high, and the method is suitable for on-site rapid nondestructive diagnosis.

The application discloses a method for predicting the limited mass transfer efficiency of a two-dimensional separation membrane by using dielectric spectrum, comprising the following steps: S1, respectively measuring the dielectric spectrum of water in the two-dimensional separation membrane and a reference membrane in the range of 10 ‑3 ~ 10 3 Hz, calculating the dielectric relaxation time after obtaining the dielectric relaxation frequency; S2, judging the limited mass transfer efficiency of water in the two-dimensional separation membrane according to the dielectric relaxation time ratio τ / τ0 of the dielectric relaxation time τ of water in the two-dimensional separation membrane and the dielectric relaxation time τ0 of the reference membrane; when the τ / τ0 is less than 1, it is judged that the limited mass transfer efficiency of water in the two-dimensional separation membrane is higher than that of the reference membrane; when the τ / τ0 is greater than 1, it is judged that the limited mass transfer efficiency of water in the two-dimensional separation membrane is lower than that of the reference membrane. The method can accurately predict the limited mass transfer efficiency of different types of two-dimensional separation membranes, effectively reflect the state and relative transmission rate of water in the interlayer of the two-dimensional separation membrane, and provide technical support for the research on the high-efficiency separation two-dimensional membrane.

The invention relates to the technical field of intelligent beekeeping, and discloses a mature honey standardized production control system based on strong group multiple box bodies, which comprises a dielectric spectrum sensing array integrated on a comb foundation, a data acquisition module, a central processing module and a user interface module. According to the system, the micro interdigital capacitor unit is used for independently detecting electromagnetic characteristics of substances in cells, the central processing module obtains complex impedance spectroscopy and temperature data, a content classification model and a polynomial regression model containing temperature cross terms are operated in parallel, the types of the contents in the cells are recognized, and the water content of honey is accurately calculated. The system establishes data mapping between a super production area and a hive breeding area, respectively calculates a mature honey harvest index and a breeding health degree score, and automatically generates a honey extraction recommendation or a health alarm. According to the invention, lossless, in-situ and high-resolution monitoring of the internal state of the beehive is realized, and the problems that the bee colony is interfered by manual box opening and the honey maturity is lack of quantitative standards are solved.

The application discloses a high-concentration wastewater dynamic mixing control method based on biochemical treatment redundancy, relates to the technical field of wastewater treatment, and comprises the following steps: constructing a joint probability density function based on heat flow and dielectric spectrum signals; calculating a Riemann scalar curvature representing biochemical treatment redundancy based on the joint probability density function and taking a Fisher information matrix as a measurement; and adjusting a mixing ratio of wastewater and dilution water in real time according to the size of the Riemann scalar curvature. The method can solve the problems that the existing mixing control adopts a simplified adjustment logic, breaks the nonlinear coupling relationship between micro-electric polarization and macro-thermal dissipation, and cannot utilize the singularity divergence characteristics of the Riemann scalar curvature, thereby causing adjustment overshoot and response lag.

The application discloses a kind of asphalt aging degree nondestructive testing method and system, belong to road material detection technical field.The method is first prepared by different aging degree standard asphalt sample, and the real aging degree is calibrated in combination with destructive test, and the broadband dielectric spectrum under multiple temperature points is measured, and the multi-temperature field standard dielectric spectrum-aging degree database is constructed;Further, the comprehensive dielectric characteristic parameters containing the fixed-point dielectric characteristics under specific temperature point and the evolution dielectric characteristics changing with temperature are extracted from the database;Using these characteristic parameters, the artificial neural network model is trained, the nonlinear mapping relationship between aging degree is established, and the aging degree prediction model is formed;Finally, the nondestructive multi-temperature field dielectric detection is carried out to the asphalt sample to be measured, and the obtained dielectric data is extracted after the same feature is input into the prediction model, and the aging degree is calculated.

This invention provides a method for assessing the aging state of epoxy resin insulation in dry-type transformers. The method includes: acquiring frequency domain dielectric spectrum data of epoxy resin samples at different temperatures and aging times; fitting the frequency domain dielectric spectrum data using the Havriliak-Negami model to extract characteristic frequency parameters characterizing the insulation state; establishing a temperature correction model based on the characteristic frequency parameters of unaged samples and their corresponding measurement temperatures, and obtaining the initial activation energy of the epoxy resin; calculating the activation energy at each aging time based on the temperature correction model, the initial activation energy, the characteristic frequency parameters at different aging times, and their corresponding measurement temperatures, and obtaining the evolution curve of the activation energy changing with aging time; acquiring key feature points on the evolution curve, determining the threshold of the rate of change of activation energy relative to the initial activation energy of the material at each feature point, and constructing an aging assessment result including multiple aging levels. This achieves a quantitative assessment of the aging state.

The invention relates to the technical field of electronic device testing, and discloses a broadband dielectric spectrum testing method, device and equipment for a capacitor insulating medium and the medium, and the method comprises the steps: preparing a capacitor insulating medium testing sample containing a thickened polar plate; applying a broadband voltage to the test sample, and collecting a response electric signal of the test sample; and based on the response electric signal, calculating to obtain a broadband dielectric spectrum of the capacitor insulating medium. According to the broadband dielectric spectrum test scheme of the capacitor insulating medium, the influence of the capacitor body polar plate resistance on the dielectric spectrum test of the capacitor dielectric is eliminated by adopting a method of thickening the polar plate, and the dielectric spectrum of the capacitor insulating medium under the broadband voltage can be accurately measured; therefore, the polarization characteristic and the conductivity characteristic of the capacitor insulating medium are truly reflected, and the insulating state of the capacitor is reflected.

The invention belongs to the technical field of agricultural environment monitoring, and more specifically relates to a multi-depth greenhouse matrix soil moisture content sensing system based on a dielectric frequency spectrum. The system comprises a data acquisition device, at least one matrix sensor and a communication module, the data acquisition device comprises core circuits such as a core controller STM32L431RCT6 and the like, and is used for acquiring data of the matrix sensor; the matrix sensor is in communication connection with the data acquisition device through a 485 serial port and a Modbus RTU slave station protocol, and is used for acquiring the volumetric water content and the conductivity of a matrix; and the communication module adopts a 4G Cat1 module, is in communication connection with the data acquisition device by adopting a UART (Universal Asynchronous Receiver / Transmitter), and interacts with an external Internet of Things cloud platform through an MQTT protocol. The invention provides a system capable of adapting to a complex matrix environment of a greenhouse, realizing multi-depth in-situ high-precision measurement and stably operating soil moisture content monitoring for a long time.

The application provides a transformer winding thermal runaway prediction and inhibition method and system, the method comprising: collecting transformer transient electric signal data; constructing a transient electromagnetic propagation equation based on a winding distributed parameter network model, and calculating a local equivalent capacitance distributed along a winding axial direction through layer-by-layer stripping inversion; extracting a dielectric spectrum entropy based on the local equivalent capacitance, and determining an axial position coordinate of a thermal runaway local area according to the spectrum entropy and a change rate thereof; inversely calculating an actual temperature and an equivalent heating power of the thermal runaway local area to determine a supplemental heat dissipation amount; constructing a cooling flow channel allocation model with a minimum electrically adjusted valve opening degree change as a target, and solving the model to output an optimal opening degree control instruction to adjust a flow distribution of each branch cooling flow channel. The application realizes accurate identification and efficient inhibition of a local thermal state inside a transformer winding.

This application provides a core dielectric characteristic detection probe, detection method, and detection device, belonging to the field of core electrical testing and dielectric spectrum measurement technology. The core dielectric characteristic detection probe includes a probe structure. When performing a displacement experiment on the core, the working end face of the probe structure is adapted to clamp the core and continuously emit electromagnetic waves toward the core and receive the reflection coefficient to obtain the real-time electromagnetic parameters of the core. In the displacement experiment, the liquid can be discharged through the drainage groove on the working end face, enabling the probe structure to complete the clamping action of the core in the displacement experiment. It can also simultaneously perform dielectric spectrum acquisition in the displacement experiment, thereby realizing real-time and continuous dielectric spectrum acquisition in the displacement experiment through the probe structure.

The invention discloses a multi-source fusion road electronic fence intelligent generation method, and relates to the technical field of intelligent traffic, and the method comprises the following steps: S1, building an extreme reflection environment analysis model, and obtaining a three-dimensional electromagnetic wave propagation parameter based on the dielectric spectrum characteristics of an environment material and the specular reflectance of a sea surface region; and generating a reflection risk priori graph and a multi-path propagation signal fingerprint database for constructing an environment reflection risk baseline and a signal anomaly feature baseline. According to the method, modeling and recognition of sensing interference are achieved by constructing a reflection risk prior graph and a signal fingerprint database, whole-process quality control of a boundary generation process is achieved by combining time axis synchronization, anomaly detection and boundary freezing regulation and control, a boundary credible graph with self-learning ability is formed, and the reliability of the boundary generation process is improved. The precision, the stability and the self-adaptive capability of the electronic fence are improved, and the method is widely applied to intelligent traffic and automatic driving scenes.

The invention relates to a transformer oil paper insulation residual life prediction method based on multi-source characteristic quantity fusion, and the method comprises the steps: representing the dielectric characteristics of a transformer oil paper insulation medium through employing an extended Debye equivalent circuit, obtaining a plurality of groups of return voltage characteristic quantity data sets, recognizing the parameters of the equivalent circuit through combining with a chaotic particle swarm optimization algorithm, and carrying out the prediction of the residual life of the transformer oil paper insulation medium. Constructing a continuous return voltage polarization spectrum; judging the maximum value of a return voltage polarization spectrum and a main time constant corresponding to the maximum value, and solving the micro-water content in the insulation paper; correcting the aging rate of the insulation paper by combining the micro-water content in the insulation paper and the current average hot-spot temperature of the transformer; calculating a first type of polymerization degree according to the furfural content in the oil; extracting a dielectric loss value of a low frequency band of a frequency domain dielectric spectrum of the insulation paper, and calculating a second type of polymerization degree; calculating a polymerization degree comprehensive value of the insulation paper; and evaluating the transformer oil paper insulation residual life according to the corrected aging rate and polymerization degree comprehensive value. The accuracy and the reliability of predicting the oil paper insulation residual life of the transformer can be improved.

The invention discloses a preparation method and system for changing water quality through electric energy activation, particularly relates to the technical field of electrochemical water treatment, and aims to solve the contradiction between local overload of an electrode interface and insufficient overall treatment of a water body in the prior art. The method comprises the following steps: acquiring a conductivity parameter of a to-be-treated water body and judging whether the conductivity parameter is within a preset threshold range or not, when the conductivity parameter is within the preset threshold range, monitoring an electrode surface bubble behavior to identify a local overload tendency, and analyzing a tracer concentration attenuation curve to identify an overall insufficient treatment tendency. Evaluating the harmony level of the interface and the overall processing based on the identification result, and meanwhile, analyzing the dielectric spectrum to monitor the change trend of the water molecule cluster structure, and dividing the processing area into an interface dominant area and a main mass transfer area according to the harmony level and the change trend of the water molecule cluster structure; and different electric field parameter combinations are respectively applied to realize coordinated optimization of interface reaction and overall mass transfer.

The invention discloses a bean product protein fiber diameter regulation and control method and system, electronic equipment and a storage medium, and relates to the technical field of industrial process control. The method comprises the following steps: acquiring dielectric spectrum data of a material in an extruding machine in real time, and obtaining the rotating speed of a screw and the opening degree of a throttle valve; a viscosity estimation value is obtained based on the dielectric spectrum data, and transmission delay is calculated based on the rotating speed of a screw and the opening degree of a throttling valve; collecting a visual image of the extrudate, processing to obtain an average fiber diameter, performing time alignment on the viscosity estimation value and the average fiber diameter to obtain a data pair, calculating a deviation between the average fiber diameter and a target fiber diameter, and if an absolute value of the deviation is greater than a preset threshold value, calculating a feedback control quantity based on the data pair and a prediction model; and calculating a feedforward control quantity based on the viscosity estimation value, obtaining a control instruction in combination with a feedback control quantity, and adjusting the rotating speed of a screw rod and / or the opening degree of a throttle valve. According to the method, real-time and accurate regulation and control of the fiber diameter are realized, and the production efficiency is improved.

A device for measuring a curing process of a curable material by dielectric spectroscopy may include a transmission unit having a sensor configured to inject a signal in the form of an alternating electric field with a predetermined frequency into a sample of the curable material, and a receiving unit including an analysis device configured to detect changes in the predetermined frequency that occur in the course of a measurement process, wherein the analysis device is configured to determine, on the basis of frequency changes detected during the measurement process, a first state corresponding an uncured state of the sample applied to the sensor, a second state corresponding to a completed application of the uncured sample to the sensor, and a third state corresponding to a desired curing state of the curable material being reached, wherein the receiving unit has a display device for displaying the three states.

This invention provides a rapid in-situ soil nutrient measurement method based on dielectric spectroscopy, belonging to the field of agricultural soil testing technology. The invention first deploys multiple monitoring points in the target area to simultaneously collect broadband dielectric spectrum, temperature, moisture content, and conductivity data, constructing a multi-source time-series dataset. Next, multi-dimensional feature vectors are constructed using multi-scale wavelet transform and entropy weighting. A three-Cole-Cole model is used to quantitatively remove moisture interference. The Arrhenius equation and partial least squares regression are employed to correct for the effects of environmental temperature changes and background electrolytes, respectively, extracting the pure response parameters of the target nutrient molecules. The initial nutrient values ​​of each soil layer are inverted using a random forest model, and the soil layers are weighted and fused based on cotton root distribution density to obtain the final nutrient content of the region. This method achieves in-situ, rapid, continuous, and undisturbed monitoring of soil nutrients, providing reliable technical support for precision agricultural management.

A DS sensing apparatus includes a body and electrodes provided on the body. The body defines a test volume between a first surface and an opposing second surface spaced from the first surface a distance that allows a fluid to enter the test volume from a fluid inlet, which is communicatively coupled to the test volume, via capillary action. The electrodes include a first sensing electrode on the first surface and configured to receive an input RF signal, a second sensing electrode on the first surface spaced from the first sensing electrode and configured to deliver an output RF signal and a floating electrode on the second surface.

The invention belongs to the technical field of intelligent evaluation of the insulation state of power equipment, and provides a method for evaluating the damp condition of an epoxy glue impregnated paper insulation material based on a self-adaptive GAF-Swindow-Transformer fusion algorithm, and the method comprises the steps: collecting parameters to be evaluated and evaluating the damp condition; the construction process of the damp condition evaluation model comprises the steps of FDS original data set construction, spectrum signal normalization and adaptive GAF conversion, model construction, model calculation and model iteration. According to the method, the frequency domain dielectric spectrum response signal of the dry-type bushing insulating medium is acquired, the one-dimensional dielectric characteristic signal is mapped into the two-dimensional image form by using the improved GAF algorithm, and automatic identification and grading diagnosis of the damp state are realized in combination with the constructed model, so that the internal insulation damp degree of the dry-type bushing can be identified quickly with high precision, and the accuracy and the reliability of the dry-type bushing are improved. And the diagnosis result is higher in accuracy, higher in robustness and higher in generalization ability.

The invention discloses a self-adaptive control method, system, equipment and medium for a perfluorohexanone microcapsule crosslinking process, and belongs to the technical field of microcapsule preparation, and the method comprises the steps: collecting dielectric spectrum data through a multi-electrode array, and calculating the crosslinking completion degree based on the real part and imaginary part ratio change rate in combination with spatial gradient decoupling; meanwhile, temperature data are collected to calculate the temperature gradient, and the crosslinking completion degree and the temperature gradient are subjected to coupling analysis to obtain a difference degree distribution matrix; calculating the electric field compensation amount based on the space gradient relation of the difference degree, and optimizing a carrier delivery scheme by combining the electrode array physical constraint and the carrier diffusion effect; after delivery, dielectric change is detected, a space selective electric field is applied, and self-adaptive control is achieved through circulation detection and convergence judgment. According to the invention, spatial distributed detection of the crosslinking state is realized, a non-uniformity evaluation method considering the influence of a temperature field is established, a differential control strategy based on spatial coordination and diffusion pre-compensation is provided, and a closed-loop adaptive optimization mechanism is formed.