64 results about "Electric response" patented technology

The invention relates to the technical field of fuel cell control, and discloses a control method of a hydrogen fuel system controller, which comprises the following steps: in response to a system shutdown instruction, controlling a DC / DC converter to maintain operation and request a preset scavenging current, and consuming residual reaction gas in a flow channel and a pipeline by using an electrochemical power generation reaction in an electric pile; meanwhile, hydrogen-cut air-down operation is executed, and the average single voltage of the electric pile is collected in real time; when it is monitored that the average monomer voltage is reduced to be below a preset anti-corrosion safety threshold value, the DC / DC converter is controlled to be disconnected, and mechanical purging is started. A time sequence interlocking mechanism of electrochemical energy depletion and mechanical purging is established, a high-potential retention path in the shutdown process is blocked from the physical and chemical source, and the safety of the shutdown is improved. Reverse polarity corrosion caused by a hydrogen-air interface effect is avoided, and the service life of the galvanic pile is prolonged.

The invention discloses a VR emotion quantitative management method and system based on physical and psychological interaction, and relates to the field of psychotherapy, and the method comprises the steps: collecting the heart rate variability data, the electrodermal response data and the EEG alpha wave power data of a user in a resting state, and obtaining the EEG alpha wave power data of the user based on the heart rate variability data and the electrodermal response data; generating color, density and physical boundary parameters of the initial emotion energy field; and rendering a dynamic emotion energy field in the VR environment according to the initial emotion energy field parameters, and detecting the distance change between the user and the dynamic emotion energy field through a field density growth algorithm. According to the method, heart rate variability, electrodermal response and EEG alpha wave data are fused by adopting an S-shaped curve function to generate emotion energy field parameters, accurate mapping of physiological states and virtual environments is established, emotion recognition sensitivity is improved, treatment efficiency is improved, field density attenuation rate is dynamically controlled innovatively through parasympathetic nerve activation degree, and the treatment effect is improved. And the synergistic effect of behavior intervention and nerve regulation is realized.

The invention belongs to the technical field of intelligent fragrance control, and discloses an intelligent fragrance control system and method based on olfaction perception self-adaption, multi-dimensional data such as exhaled gas fragrance residue and skin electroreaction are captured in real time through a multi-mode olfaction fatigue monitoring unit, and 1-5 olfaction fatigue levels are accurately judged in combination with an LSTM-attention model; and then the dynamic release control unit is matched with a layering strategy, for example, short-time pulse stimulation is started in light fatigue, fragrant cross-modulation switching and concentration zeroing are triggered in heavy fatigue, and local high-concentration pseudo fatigue is avoided synchronously through a distributed space probe. By means of the design, fragrance release is always matched with the real-time olfaction state of a user, the problem that the fragrance cannot be effectively perceived after continuous exposure is thoroughly solved, it is ensured that the user can stably perceive the fragrance in different use periods, and the use experience is remarkably improved; and a complete logic chain with multi-mode monitoring, double-target sensing and cooperative control is constructed.

The utility model relates to the technical field of rare earth resource exploration, in particular to a comprehensive measuring device for hydraulic parameters and various electric responses, which comprises a constant-pressure water supply component, an adjusting valve, a measuring soil column container, a collecting and measuring component, a pressure sensor, a recorder and an electric response measuring instrument. The soil column measuring container comprises a container main body, a microporous baffle plate, two current electrodes and two measuring electrodes, the water inlet end and the water outlet end of the constant-pressure water supply assembly are respectively communicated with the container main body through pipelines, and the storage and collection assembly is arranged on the pipeline between the water outlet and the constant-pressure water supply assembly; a sample cavity between the two microporous baffles in the container main body is used for filling a sample; the adjusting valve is used for adjusting the flow; the pressure sensor, the collecting and measuring assembly, the measuring electrode and the current electrode are used for measuring hydraulic parameters and flowing electric response. According to the utility model, the hydraulic parameters and various electric responses of the sample can be accurately measured, and the electric responses under different hydraulic conditions can be measured.

The invention relates to the technical field of intelligent driving, and provides an intelligent driving method and system based on driver biofeedback. The method comprises the following steps: firstly, acquiring multi-mode biological signals such as heart rate, electrodermal response and eye movement track of a driver and a vehicle movement signal in real time through an in-vehicle sensor; carrying out cross-modal feature fusion and analysis on the signals by utilizing a driver state analysis model, carrying out parallel calculation on tensity, motion sickness and attention level indexes of the driver, and generating a quantized comfort level score; furthermore, in a trajectory planning stage, a comfort level score corresponding to each candidate trajectory is predicted through a personalized comfort level prediction model, the comfort level score is used as an optimization target parallel to safety and efficiency for comprehensive decision making, and finally an optimal trajectory is selected for execution. According to the invention, the automatic driving system can sense and respond to the subjective state of the driver in real time, the tension and motion sickness of passengers can be effectively relieved, and the riding comfort and personalized experience are improved.

The invention belongs to the technical field of microcapsules, and particularly discloses a current response type essence microcapsule as well as a preparation method and application thereof. The essence microcapsule is prepared by taking a chitosan-polypyrrole composite material as a wall material and essence as a core material and coating the essence through an in-situ polymerization method, and the essence microcapsule is prepared by applying a safe and low-voltage direct current by utilizing the good film-forming property and biocompatibility of chitosan and the rapid electric response characteristic of polypyrrole. And the polypyrrole is subjected to reversible oxidation-reduction reaction to initiate swelling or shrinkage of the wall material, so that accurate and reversible regulation and control of the release rate of the essence are realized. The method is simple in process, environment-friendly, safe and easy for large-scale production, solves the problem that the traditional aromatherapy release is uncontrollable, and has the advantages of quick response, high safety, environment friendliness and the like.

The discharge type desulfurization and denitrification and fine particulate matter trapping equipment comprises a reaction tower and a discharge reactor, waste gas enters the discharge reactor and then enters the reaction tower, flows from bottom to top in the reaction tower, passes through the desulfurization and denitrification reaction area and the electrostatic trapping area and then flows out from the upper part of the reaction tower; integrated collaborative purification is achieved, and the three functions are integrated; an advanced pulse power supply and an optimized reactor structure are adopted, so that the generation efficiency and the stability of discharge plasma are improved; the output parameters of the high-voltage pulse power supply, the addition amount of the absorbent and the operation cycle of the ash removal system are automatically adjusted through an intelligent algorithm; it is ensured that the system can keep the optimal operation state under different working conditions, and the adaptability and reliability of the system are improved.

A classification device for classifying an electric input signal may include: an input node to receive the electric input signal; a reference circuit configured to generate an electric reference signal; a memristive structure configured to cause an electric response signal as a function of both the electric input signal received at the input node and the electric reference signal generated by the reference circuit; an electric analysis circuit coupled to the memristive structure to determine one or more characteristics of the electric response signal caused by the memristive structure; and one or more processors configured to determine a class associated with the electric input signal based on the one or more characteristics of the electric response signal determined by the electric analysis circuit.

The present application relates to the technical field of high-voltage discharge plasma, and provides a high-voltage discharge plasma element detection device, which comprises an optical platform, a discharge reaction unit, an electrical diagnosis unit and an optical diagnosis unit; the discharge reaction unit, a fiber displacement stage and an ICCD displacement stage are installed on the optical platform; the discharge reaction unit comprises a sample carrier, a supporting component, a ground electrode and a high-voltage electrode; the sample carrier is arranged on the supporting component, and the center of the sample carrier is provided with a small hole; the ground electrode is installed at the root of the optical platform and is grounded, and the needle tip of the ground electrode faces the center of the sample carrier; the high-voltage electrode is arranged above the small hole of the sample carrier, and a plurality of groups of radiating fins are installed on the high-voltage electrode; the discharge reaction unit is connected in series with a parameter adjustment dark box, and the parameter adjustment dark box is connected with a high-voltage alternating current power supply; and the present application can realize accurate regulation and control of the discharge mode and detection of metal elements in solids.

The application discloses a novel flexible electric response liquid crystal polymer material and a preparation method thereof, and the novel material has the capability of reversible response to an electric field at room temperature. Existing electric response liquid crystal polymer materials often have a high glass transition temperature and need to be in a high-temperature environment to produce response to an electric field. In the application, the novel flexible electric response liquid crystal polymer material is generated by the reaction of a mono-acrylate monomer, a di-acrylate monomer and a chain transfer agent, has a glass transition temperature lower than room temperature, can produce reversible response to an electric field at room temperature, and has wide application prospects. The novel material can be used in many fields such as self-cleaning surfaces and touch displays in the future.

The invention relates to the technical field of membrane separation, and discloses a high-protein milk concentration process based on a membrane filtration technology, the process adopts an electric response membrane grafted with an electric response polymer brush on the surface, and an electric control zymogen modified by genetic engineering is added into milk feed liquid to be treated. The zymogen is modified with an electric field responsive anchoring group and an electric signal activated ferrocene protecting group. In the filtering stage, a first electric field is applied to stretch the polymer brush, so that anti-pollution filtering is realized; and in the cleaning stage, switching to a second electric field to enable the polymer brush to shrink and drive the zymogen to be anchored on the surface of the membrane, and applying an activation pulse to trigger the activity of the zymogen so as to degrade pollutants in situ. On the premise of not interrupting production, not adding chemical cleaning agents and not damaging target product protein, milk concentration is efficiently and continuously carried out, and long-term stable high permeation flux is maintained.

The invention discloses a detection system and method capable of monitoring multiple heavy metal ions online in real time, and relates to the technical field of water quality detection.The method comprises the steps that the temperature of a water sample is measured through a thermoelectric coupler temperature detection method, real-time temperature correction is conducted through a resistance compensation method, and a target water sample with the stable temperature is obtained; the method comprises the following steps: exciting a target water sample with stable temperature by adopting an electrochemical impedance spectroscopy method, and collecting a composite electric response signal by utilizing a capacitance response measurement method; decomposing and denoising the composite electrical response signal by adopting a time-frequency combined wavelet transform method to obtain multiple electrical characteristic data; and learning and reasoning the multiple electrical characteristic data by using a deep convolutional neural network to obtain the types of the heavy metal ions and estimate a concentration quantitative result. According to the method, the detection sensitivity and the resolution capability of weak response ions are improved, so that high-precision recognition and concentration estimation of various heavy metal ions are realized, and the real-time detection requirement in a complex water body environment is effectively supported.

The application discloses an electric response nanofiber composite film and a preparation method and application thereof, and the preparation method comprises the following steps: vacuum drying and grinding a metal organic framework material UiO-66, dissolving the obtained UiO-66 powder in N,N-dimethylformamide, and ultrasonic treatment to make the UiO-66 powder uniformly dispersed; dissolving PVDF powder in the solution, stirring until the PVDF powder is completely dissolved, adding acetone to obtain an electrospinning precursor solution; electrospinning the electrospinning precursor to obtain a PVDF / metal organic framework composite nanofiber film; and then performing drying and annealing treatment to obtain the electric response nanofiber composite film. The composite film has high flexibility, a high specific surface area, excellent piezoelectric response and sound-electric conversion efficiency, and solves the problems of low beta phase content and poor force-electric coupling efficiency of traditional organic piezoelectric materials; the composite film has a wide application prospect in the fields of flexible piezoelectric sensors, sound wave detectors, hydrophones and wearable sound-electric devices.

The invention belongs to the technical field of catalysts, and particularly discloses an electric response type propane dehydrogenation catalyst as well as a preparation method and application thereof. The catalyst contains a titanium-aluminum composite oxide and GaOx doped in the titanium-aluminum composite oxide, wherein x is more than 0 and less than 3 / 2; the molar ratio of titanium to aluminum in the titanium-aluminum composite oxide is 1-91. The preparation method comprises the following steps: 1) preparing a mixed solution containing a Ga source, a Ti source and an Al source, then adding urea, performing crystallization and solid-liquid separation in a high-pressure hydrothermal kettle, and washing and drying the solid to obtain a catalyst precursor; and 2) carrying out roasting and reduction treatment on the catalyst precursor to obtain the catalyst. The catalyst provided by the invention can maintain excellent propylene selectivity while greatly improving the propylene yield, and the propane dehydrogenation conversion rate under an electric field assisted thermocatalysis condition is significantly higher than that of a pure thermocatalysis reaction under the same condition, especially the enhancement effect under a low-temperature condition is more obvious.

The embodiment of the application provides a kind of neutron flux abnormality detection method and device, electronic equipment and storage medium, belong to nuclear power plant safety technical field.The method comprises: screening reference nuclear power reaction unit.Get the first reference counting rate detection module in multiple continuous preset time steps under the core neutron counting rate.Acquire concentration influence factor, original neutron source source intensity and reference neutron source source intensity.According to the first detection sensitivity, the first reference sensitivity, the core neutron counting rate, the concentration influence factor, the original neutron source source intensity and the reference neutron source source intensity, the predicted neutron flux of the core basket is obtained by calculation.The first loading of pressurized water reactor nuclear power reaction unit is carried out, and the target neutron counting rate is obtained.According to the target neutron counting rate and the first detection sensitivity, the target neutron flux is obtained by calculation, and the abnormality is detected based on the target neutron flux and the predicted neutron flux.The embodiment of the application can improve the efficiency of neutron flux abnormality detection.

The application discloses a Td-WTe2 / 1T'-MoTe2 heterojunction device for room-temperature photoelectric detection and a preparation method and application thereof. The heterojunction device is composed of Td-WTe2 and 1T'-MoTe2, and the two are connected through interlayer van der Waals force in an overlapping area. When light irradiates the overlapping area or a neighboring area thereof, a photo-thermal-electric response can be generated due to the difference in Seebeck coefficients of the two. The application provides a device scheme for realizing room-temperature photoelectric detection by utilizing the difference in thermoelectric properties of two specific materials without relying on a traditional semiconductor depletion region or an asymmetric light irradiation condition, and has the advantages of room-temperature operation, self-power supply, near-infrared response and fast response, and has important value in the field of photoelectric detection.

The invention discloses a method for rapidly detecting inorganic arsenic in aquatic animals. The method comprises the following steps: pre-treating an aquatic animal sample to be detected to obtain a sample solution to be detected; the method comprises the following steps: taking a silk-screen printing electrode as a working electrode, electrifying a to-be-detected sample solution by adopting anodic stripping voltammetry to collect an electrical response parameter in the electrifying process, and further obtaining the content of inorganic arsenic according to the electrical response parameter. According to the method, the screen-printed electrode is adopted to replace a traditional glassy carbon electrode or gold electrode, polishing is not needed, operation is easy, throwing is achieved when the electrode is used, the price is low, batch production is easy, and the performance is stable, and the electrochemical anodic stripping voltammetry is applied to detection of inorganic arsenic in aquatic animals for the first time; the shape of the working electrode and an ink carbon-based material in the working electrode are optimized, and the quantitation limit of the finally measured sample is as low as 0.1 mg / kg; the method is simple, rapid and efficient, and is suitable for large-scale production and application on a base layer.

The application provides an electric response material driven bionic obstacle crossing robot, which comprises a first driver, a second driver, a multi-section elastic framework, a foot support, a foot bottom buffer layer structure and a polymer fastener; the multi-section elastic framework comprises a front section framework and a rear section framework; the first driver is installed on the front section framework, the rear section framework is provided with a hollow structure; the second driver is installed on the hollow structure; the foot support is installed on the rear section framework, and the foot bottom buffer layer structure is installed on the foot support. The first driver is a shape memory alloy spring, two groups of the shape memory alloy springs are symmetrically distributed on the upper and lower sides of the front section framework, the interval of the fixed positions of the two ends of the spring is greater than the length of the spring in a natural state, and the two ends of each spring are connected to the positive and negative poles of an external power supply through external wires. The application adopts the structure that the front section framework cooperates with the shape memory alloy spring, can realize controllable energy storage and release, and realizes the jumping obstacle crossing movement of the robot.

The invention relates to the field of wastewater treatment, and discloses an electroplating wastewater treatment system which comprises a physical pretreatment module, a dynamic pulse acoustoelectric reaction module, a resource recovery and electrode regeneration module and a central process control module, wherein in the dynamic pulse acoustoelectric reaction module, through the synergistic effect of a sound field constructed by an ultrasonic transducer and a pulse electric field constructed by a programmable pulse power supply, stable metal complexes in the wastewater are broken through acoustochemistry, and released metal ions are reduced and deposited on a three-dimensional porous working electrode through electrochemistry. The central process control module is used for periodically switching between a main reaction stage and an electrode activation stage, in the electrode activation stage, the polarity of the electrode is reversed, the working electrode serves as an anode, organic and inorganic passivation layers accumulated on the surface of the working electrode are removed in situ, the electrochemical activity of the working electrode is recovered, high-purity metal is recycled in an electrolytic stripping mode, and the high-purity metal is recycled. And regeneration and reuse of the electrode substrate are realized.

An electrified reactor includes a reactor coil that is electrically connected to an electric power source, a first insulating layer that is electrically connected to the reactor coil, and a second insulating layer that is thermally connected to the first insulating layer. The first insulating layer is an electric insulating layer, and the second insulating layer is a thermal insulating layer.

The invention discloses a conductive graphene composite nanofiltration membrane with electric response performance and a preparation method thereof, and belongs to the technical field of graphene nanofiltration membrane materials, and the preparation method comprises the following steps: 1) dispersing reduced graphene oxide nanosheet dispersion liquid and glycine modified graphene oxide nanosheet dispersion liquid in a solvent to form mixed dispersion liquid; 2) loading the mixed dispersion liquid on the surface of a polymer support membrane through vacuum filtration to form a nanofiltration separation layer; and 3) drying the nanofiltration separation layer to obtain the conductive graphene composite nanofiltration membrane with electric response performance. And 4) applying an external voltage in the process of testing the electrical response separation performance of the conductive graphene composite nanofiltration membrane. According to the prepared conductive graphene composite nanofiltration membrane, the electrostatic repulsion effect of the conductive graphene composite nanofiltration membrane on SO4 < 2-> is enhanced, and the transmembrane energy barrier of Na < + > is reduced to promote faster collaborative transmission of Cl <->, so that good Cl / SO4 < 2-> separation performance is realized.

The application discloses a kind of photodetector performance evaluation method and system, obtain the light response time series data and electric response time series data of target photodetector;Based on the light response evolution model of pre-training, the light response time series data is processed, and the light modulation performance evaluation eigenvalue of target photodetector is output;Based on electric response time series data and light modulation performance evaluation eigenvalue, the photoelectric synergic performance eigenvalue of target photodetector is determined;Based on photoelectric synergic performance eigenvalue and preset photoelectric synergic performance feature threshold interval, the performance evaluation result of target photodetector is determined.The application simultaneously collects the light response time series data and electric response time series data of photodetector, constructs unified multi-source time series analysis framework, to realize the accurate modeling of photoelectric synergic response relationship, ensure that performance evaluation result can dynamically reflect the actual working state of photodetector under complex light field and polarized environment, improve the accuracy of performance evaluation.

The application belongs to the technical field of intelligent transportation, and specifically discloses a layered judgment and post-optimization method for driver compliance degree of guidance instruction. The method disclosed by the application comprises the following steps: collecting eye movement, electrocardiogram response and skin electricity response data of the driver; preliminarily judging the compliance degree based on the eye movement data; extracting and preprocessing the time window of the physiological behavior data; fusing the multi-source physiological features to calculate the compliance quantization value; and finally, according to the comparison result of the actual trajectory and the expected trajectory, the parameters in the preliminary judgment and the physiological quantization are post-optimized. The application realizes the layered real-time quantization of the driver compliance degree in the execution process of the guidance instruction, and introduces a post-optimization mechanism, so that the system has a self-learning ability, and the accuracy and adaptability of the vehicle-road cloud integrated system for traffic control are significantly improved. The application is suitable for real-time quantization and adaptive optimization of the driver compliance degree of the guidance instruction.

The invention discloses an anti-icing and de-icing method and system based on machine learning and dielectric barrier discharge, and relates to the technical field of anti-icing and de-icing. The method comprises the following steps: applying an electric excitation signal to a DBD plasma exciter, collecting an electric response signal, and extracting features to construct a dynamic wavelet fingerprint feature map; inputting the dynamic wavelet fingerprint feature map into an ice type classification network, processing the dynamic wavelet fingerprint feature map through CNN and LSTM to obtain a fusion feature vector, and processing the fusion feature vector through a full connection layer and a Softmax activation function to output an ice type category and a category probability; constructing a state vector input DQN reinforcement learning agent, and outputting a corresponding optimal action based on a state; the DBD plasma exciter executes ice prevention and removal according to the optimal action; and the deicing effect is evaluated by combining the subsequent multi-dimensional electrical response signal and the ice layer thickness, and a reward value is generated and fed back. According to the application, the deicing strategy can be dynamically optimized through the closed-loop system, and deicing is realized while accurate identification is realized.

The invention relates to the field of intelligent detection, and discloses an infant intelligent detection reminding method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a feeding time interval set and an excretion time interval set of an infant, screening the feeding time interval set to obtain a first time interval set, acquiring a reference feeding interval according to the first time interval set, acquiring a reference excretion interval according to the excretion time interval set, updating the reference excretion interval and the reference feeding interval after confirming that the number of actual excretion intervals of the infant is a reference number, and sending the reference feeding interval to the sound collector after confirming that the sound collector monitors that the crying signal exists in the intelligent detection environment. Acquiring a skin reaction signal and an electrocardio reaction signal of the infant, and recognizing the characteristics of the skin reaction signal and the electrocardio reaction signal by using a pre-trained state recognition model, so as to realize the detection of the state of the infant. The invention mainly aims to solve the problems that the infant detection result is inaccurate and the detection mode is single.

This application relates to discharge reactions and discloses a reactor with an adjustable discharge gap, comprising: an electrode assembly including a first electrode plate and a second electrode plate arranged in parallel, the first and second electrode plates being spaced apart in a direction perpendicular to the plate surface, and the spacing being adjustable; a piezoelectric ceramic element disposed on the plate surface of the first electrode plate opposite to the second electrode plate and connected to an external power source, so that by adjusting the voltage applied to the piezoelectric ceramic element, the first electrode plate moves relative to the second electrode plate under the deformation of the piezoelectric ceramic element, thereby adjusting the distance between the first and second electrode plates. After the piezoelectric ceramic element is connected to an external power source, it generates axial displacement using the inverse piezoelectric effect, directly pushing the first electrode plate to move relative to the second electrode plate. This process does not require mechanical transmission components, avoiding the precision loss caused by transmission gaps and wear in traditional mechanical adjustments; by precisely controlling the spacing of the electrode plates through voltage, the problem of fixed gaps being unable to dynamically adapt to working conditions is solved.

The invention relates to a polyurethane-acrylate transparent pressure-sensitive adhesive tape with quick electric response and a preparation method thereof. The polyurethane-acrylate transparent pressure-sensitive adhesive tape comprises an electrolytic adhesive layer and a base material layer, the pressure-sensitive adhesive is prepared from the following components in parts by weight: 30 to 70 parts of polyurethane acrylate prepolymer, 5 to 30 parts of acrylate monomer with low glass transition temperature, 5 to 20 parts of acrylate monomer with high glass transition temperature, 10 to 30 parts of functional monomer, 1 to 10 parts of cross-linking agent, 0.1 to 3 parts of photoinitiator, 1 to 5 parts of thiol chain transfer agent and 1 to 10 parts of pyrrolidine ionic liquid. A thiol chain transfer agent reacts with an ionic liquid at a high temperature to generate a CTA-IL polymer, and the polymer interacts with a polyurethane acrylate main chain to form a short chain structure with an ionic liquid functional group, so that the ion migration ability after electrification is improved, and the electric viscosity reduction performance is enhanced. The obtained pressure-sensitive adhesive is colorless and transparent, has high adhesion, can realize rapid viscosity reduction under low voltage, has no adhesive residue, is easy to strip, is suitable for the fields of detachable and recyclable batteries, easy-to-replace metal components and the like, and has great application potential.

The present application belongs to the field of geophysical prospecting technology, and provides a tunnel water-bearing body advanced detection system and method based on blasting induced seismic-electric response, which takes the blasting initiation moment of the initiation control unit as a unified starting point, collects the seismic wave field signal output by the detector and the seismic-electric field signal output by the electrode array, and performs advanced detection on the front water-bearing body structure according to the seismic wave field signal and the seismic-electric field signal. The present application can fully utilize the natural excitation source in the construction process, realize rapid and simple layout in a limited space, and has the ability to resist strong interference and stably collect weak signals, thereby ensuring timely and reliable identification of the front water-bearing body structure of the working face during the construction process, and providing strong guarantee for the safe construction of the tunnel.

This invention discloses a neural detection method, relating to the field of bioelectrical signal detection technology. The neural detection method includes the following steps: acquiring a user's baseline health database; detecting the user's current skin conductance response signal within a preset time period and generating a current skin conductance response signal curve; obtaining the user's current physiological state based on the current skin conductance response signal curve; matching a baseline neural electrical signal curve corresponding to the current physiological state from the baseline health database; detecting the user's current neural electrical signal within a preset time period and generating a current neural electrical signal curve; comparing the current neural electrical signal curve with the baseline neural electrical signal curve to obtain the user's current neural state. This invention combines the user's current skin conductance response signal curve to determine the user's current physiological state and matches the corresponding baseline neural electrical signal curve based on the current physiological state, thereby improving the accuracy of the neural detection method in judging the user's detection results.

The invention relates to the technical field of sensors, in particular to a high-sensitivity flexible pressure sensor. The high-sensitivity flexible pressure sensor sequentially comprises a first substrate layer, a first electrode layer, a first thin film layer, a supporting structure layer, a second thin film layer, a second electrode layer and a second packaging layer from top to bottom, a cavity layer is formed in the supporting structure layer, and the height of the cavity layer is the same as that of the supporting structure layer. A microstructure ion electron film layer is arranged on the surface, close to the supporting structure layer, of the second film layer; the first thin film layer and / or the second thin film layer are / is made of an MXene / GO composite material. According to the flexible pressure sensor, the MXene composite material film layer is inserted between the gold electrode and the dielectric layer composed of the cavity / ion electronic film, a pseudocapacitance effect is generated, the charge variation after the flexible pressure sensor is stressed is increased, and the electric response sensitivity of the pressure sensor is improved.