184 results about "Microwave sensor" patented technology

Systems and apparatus are provided for a high-power microwave sensor using an unmanned aerial vehicle. The unmanned aerial vehicle may include a central body, at least one electric motor, and a barometric pressure feedthrough. The central body may include a first enclosure housing a plurality of low voltage components, a voltage feedthrough connector, and a second enclosure housing a plurality of high voltage components. The low voltage components may include a first signal processing system, a first radio transceiver, a flight controller, a second signal processing system, a second radio transceiver, and a navigation system. The high voltage components may include a plurality of electronic speed controllers, a power distribution module, an input power interface, and a plurality of high power filters. The components of each enclosure may be segregated such that the high voltage components do not create electromagnetic interference with the low voltage components.

The invention relates to microwave-free sensor technology with NV centers in diamond. In contrast to the prior art, the intensity of the pump radiation is not PWM-modulated, but monofrequency and sinusoidally modulated. Further measures, such as the use of semiconductor-based pump radiation sources and operation with an offset, prevent the formation of harmonics in the temporal intensity profile of the pump radiation irradiating the NV centers in the sensor element. This allows the sensor system to use the phase shift to determine measured values ​​of external physical parameters such as magnetic flux density, acceleration, temperature, etc., within a recognized and disclosed frequency range of the intensity modulation of the pump radiation, thereby minimizing the influence of noise from the pump radiation source. The galvanic isolation does not need to be compromised by cables from additional sensors.

The invention relates to the technical field of carbon flux monitoring, and particularly discloses a carbon flux monitoring method and system based on soil drought remote sensing data, and the method comprises the steps: respectively collecting soil humidity remote sensing data and a soil vegetation coverage remote sensing image through a microwave sensor and an optical remote sensing sensor; performing resampling on the soil humidity remote sensing data and the soil vegetation coverage remote sensing image to realize spatial resolution alignment, and performing spatial distribution feature extraction on the soil humidity remote sensing data and the soil vegetation coverage remote sensing image after spatial alignment by adopting a deep learning algorithm; and pixel-level significance enhancement and fusion processing are carried out on the captured soil humidity distribution characteristics and vegetation distribution characteristics, so that nonlinear modeling of a dynamic influence mechanism of the soil drought degree on the vegetation growth state is realized, and intelligent estimation of the carbon flux is realized on the basis. In this way, the nonlinear regulation and control effect of soil drought stress on vegetation respiration and photosynthesis can be effectively described, and the efficiency and coverage range of carbon flux monitoring are improved.

The invention relates to microwave-free sensor technology with NV centers in diamond. In contrast to the prior art, the intensity of the pump radiation is not PWM-modulated, but monofrequency and sinusoidally modulated. Further measures, such as the use of semiconductor-based pump radiation sources and operation with an offset, prevent the formation of harmonics in the temporal intensity profile of the pump radiation irradiating the NV centers in the sensor element. This allows the sensor system to use the phase shift to determine measured values ​​of external physical parameters such as magnetic flux density, acceleration, temperature, etc., within a recognized and disclosed frequency range of the intensity modulation of the pump radiation, thereby minimizing the influence of noise from the pump radiation source. The galvanic isolation does not need to be compromised by cables from additional sensors.

Systems and apparatus are provided for a high-power microwave sensor using an unmanned aerial vehicle. The unmanned aerial vehicle may include a central body, at least one electric motor, and a barometric pressure feedthrough. The central body may include a first enclosure housing a plurality of low voltage components, a voltage feedthrough connector, and a second enclosure housing a plurality of high voltage components. The low voltage components may include a first signal processing system, a first radio transceiver, a flight controller, a second signal processing system, a second radio transceiver, and a navigation system. The high voltage components may include a plurality of electronic speed controllers, a power distribution module, an input power interface, and a plurality of high power filters. The components of each enclosure may be segregated such that the high voltage components do not create electromagnetic interference with the low voltage components.

The invention discloses a shield deslagging volume dynamic detection method and a detection system thereof, and relates to the technical field of shield deslagging volume metering, the method comprises the following steps: arranging sound wave and vibration sensors, collecting sound vibration signals in a deslagging process, and calculating to obtain a first volume estimation value; collecting propelling attitude and conveyor rotating speed information, calculating an attitude correction coefficient and correcting the first estimated value to obtain a second estimated value; based on the dynamic image sequence at the deslagging window, extracting section and trajectory features to form a third volume estimation value; detecting the water content of the muck through a microwave sensor, calculating a water content correction coefficient, and compensating and correcting an image estimation result to obtain a fourth volume estimation value; and finally, carrying out weighted fusion on the second and fourth estimated values to obtain the final deslagging volume. According to the method, multi-source information of sound vibration, vision and water content is fused, the precision and robustness of slag discharge volume estimation are effectively improved, the method adapts to complex working condition changes, and the safety and efficiency of shield construction are guaranteed.

The invention provides a double-ring microwave sensor combination which is composed of two microwave annular sensors which are located on the upstream and the downstream of a measuring pipeline respectively and are the same in structure, each microwave annular sensor comprises a coaxial feeder terminal, an annular pole plate and a shielding layer, and the annular pole plate is tightly attached to the outer wall of the measuring pipeline. The coaxial feeder terminal is electrically connected with the annular polar plate; the shielding layer is longer than the annular polar plate and is grounded; the coaxial feeder terminals of the two microwave annular sensors are both used as the access ends of microwave excitation signals and the receiving ends of microwave response signals. The invention also provides a structure optimization method of the double-ring microwave sensor combination and a method for measuring the related flow velocity of the inclined oil-water two-phase flow by using the double-ring microwave sensor combination. According to the invention, related flow velocity measurement of inclined oil-water two-phase flow under a complex flow pattern can be realized.

The invention relates to the technical field of environmental protection data processing, and particularly discloses an intelligent environmental protection data processing method and system based on the Internet of Things. A hyperspectral camera and a low-power microwave sensor are used for synchronously obtaining a chemical component hyperspectral image and an internal structure microwave response signal of a waste material; further introducing a deep learning algorithm to extract chemical component characteristics and internal physical structure characteristics of the waste materials, and performing deep interactive joint perception on the chemical component characteristics and the internal physical structure characteristics of the waste materials to realize joint characterization of the comprehensive state of the waste materials. And on the basis, adaptive matching of a microwave cracking mode and optimal control of cracking process parameters are carried out. According to the method, the self-adaptive regulation and control of the microwave cracking process can be realized through the integrity and deep cognition of the state of the components of the waste materials, and the intelligent level and the recycling efficiency of the microwave cracking of the waste are effectively improved.

The invention provides an atmospheric humidity profile inversion method based on a Unet3 + neural network. The atmospheric humidity profile inversion method comprises the following steps: constructing an atmospheric humidity profile inversion model based on Unet3 + MHS microwave data; performing radiometric calibration, projection conversion and quality control on the multi-channel brightness temperature observed by the original satellite; the method comprises the following steps: selecting long-time scale radiation brightness temperature data in a Chinese area range and specific humidity data of ERA-5 corresponding to time and space to make a data set; and performing humidity profile inversion according to the humidity profile inversion model of the brightness temperature data constructed in the step S1. The method has the advantages that the Unet3 + model in deep learning and microwave sensor data which are not affected by time and weather are combined, and the problems that the space distribution of the atmospheric humidity profile is small, and the time resolution is low can be further solved; the method provides atmospheric condition data with higher temporal and spatial resolution for numerical weather forecast research, and has good application value.

The invention relates to the technical field of hydraulic engineering construction, and discloses a novel tamping device for earth rock cofferdam construction and a using method, the novel tamping device comprises a mounting frame and a control module, a tamping mechanism and a crushing mechanism are arranged on the lower side of the inner bottom wall of the mounting frame, and a supporting mechanism is arranged at the bottom of the mounting frame; the crushing mechanism comprises a lifting motor fixedly mounted on the inner bottom wall of the mounting frame, a threaded rod is fixedly mounted at an output shaft of the lifting motor, the outer surface of the threaded rod is in threaded connection with a threaded sleeve, a moving plate is fixedly mounted at the bottom of the threaded sleeve, and telescopic rods are fixedly mounted between the two ends of the top of the moving plate and the inner bottom wall of the mounting frame. According to the tamping device, the distance to a hard block and the size of the hard block are analyzed in real time through the ultrasonic distance measuring sensor and the microwave sensor and fed back to the controller, the controller sends a corresponding instruction to adjust the depth of the crushing roller and adjust the rotating speed of the crushing motor, the hard blocks of different sizes are conveniently processed through combination of the two, and the tamping effect and the engineering quality are improved.

The invention belongs to the field of microwave sensors, and particularly relates to a wireless passive tunable temperature sensor in a severe environment. The objective of the invention is to optimize the adjustment adaptability of the wireless passive temperature sensor in a severe environment, thereby improving the measurement precision. The temperature sensor comprises an upper-layer metal structure, an aluminum oxide substrate, a lower-layer metal structure and a photosensitive structure. The upper-layer metal structure is arranged on the surface of one side of the aluminum oxide substrate, and the lower-layer metal structure and the photosensitive structure are arranged on the surface of the other side of the aluminum oxide substrate; the surfaces of the sides, away from the upper metal structure, of the lower metal structure and the photosensitive structure are covered with transparent aluminum oxide film structures; and the photosensitive structure is a silicon-doped material and is configured to adjust the dielectric constant of the equivalent LC circuit of the temperature sensor under the condition of receiving near-infrared light pumps with different powers, so that the resonant frequency and the amplitude are controllably changed.

The invention belongs to the technical field of microwave sensor manufacturing, and particularly relates to a high-linearity microwave plane angular displacement sensor based on a dual-mode gradient ring resonator. The high-linearity microwave plane angular displacement sensor based on the dual-mode gradient ring resonator comprises a stator and a rotor arranged on the stator. The upper surface of the stator is provided with a metal gradient annular resonant structure and a T-shaped metal feed microstrip line; the outer end of the T-shaped metal feed microstrip line is connected with an input / output port; the lower surface of the stator is provided with a metal ground plane; a metal wire is arranged on the lower surface of the rotor; the lower surface of the rotor is attached to the upper surface of the stator to form electric contact. The method has the characteristics that the response linearity of the sensor can be remarkably improved, and relatively high sensitivity and relatively high measurement range are realized at the same time.

The invention provides a strip line microwave sensor with an electromagnetic shielding structure, and relates to the technical field of microwave sensing, the sensor comprises a dielectric substrate, a strip line structure, at least one sensing resonance unit and a plurality of conductive connecting pieces, the strip line structure is arranged in the dielectric substrate and comprises a central conductor located in the dielectric substrate, a top-layer grounding plane arranged on the top surface of the dielectric substrate and a bottom-layer grounding plane arranged on the bottom surface of the dielectric substrate; the sensing resonance unit is arranged on the top-layer grounding plane and generates electromagnetic coupling with the central conductor; the plurality of conductive connecting pieces penetrate through the dielectric substrate so as to electrically connect the top layer grounding plane with the bottom layer grounding plane; and the plurality of conductive connecting pieces are arranged along the edge of the dielectric substrate so as to form an electromagnetic shielding structure for restraining an electromagnetic field between the top-layer grounding plane and the bottom-layer grounding plane. According to the invention, the environment robustness of the microwave sensor can be improved while high sensitivity is maintained.

The invention relates to all methods of a bag-paving-free intelligent garbage can. The bag-paving-free intelligent garbage can comprises a can body mechanism, a paving-free combined garbage bag, a driving mechanism and a controller. During use, the controller and the microwave sensor are used for detecting whether people throw garbage, the controller is used for controlling the driving mechanism to open the can cover, and the controller controls the can cover to be closed in a delayed mode after garbage is thrown; whether garbage is full or not is detected through a first distance measuring sensor of the controller, and a user is prompted through a garbage full indicating lamp or a loudspeaker of the controller; when a user gets close to the can cover, the controller controls the can cover to be opened, the user pulls the pulling rope of the independent pulling bag by hand to pull up the upper independent garbage bag filled with garbage, the lower independent garbage bag serves as the next garbage bag filled with garbage, and after the user takes away the independent garbage bag filled with garbage, the garbage can be taken away. The controller controls the driving mechanism to close the barrel cover; the steps are repeated continuously until all the garbage bags are extracted; the problem that garbage bags are paved once when garbage is poured once is solved.

The present invention discloses a microfluidic differential microwave sensor based on OCSRR and its design method, which at least includes a measurement unit and a reference unit. The measurement unit and the reference unit adopt the same structure, and measurement OCSRR particles and reference OCSRR particles are respectively arranged therein. Among them, the measurement unit is used to generate a first signal according to the fluid under test flowing through it, and the reference unit is used to generate a second signal according to the reference fluid flowing through it. The first signal and the second signal are used to characterize the reflection characteristics of the OCSRR particles, and then the sensing information is obtained through the differential information of the two to extract the complex permittivity of the liquid sample. By testing the sensor designed by the present invention, the experimental results are in good agreement with the simulation results. Compared with the existing similar sensors, this sensor can suppress the influence of environmental factors, and the average sensitivity is as high as 0.88%.

The invention relates to the technical field of bathroom cabinet light control, and discloses a bathroom cabinet light intelligent control method and system based on distance and light induction, and intelligent management of a bathroom cabinet lighting system is realized through a microwave sensor and a light sensitive element. When no one uses the lamp, the lamp is in an energy-saving standby state, and all lights are extinguished; once someone approaches, the microwave sensor detects that the human body enters a preset range, the lower cabinet lamp and the display screen are automatically lightened, and the mirror cabinet light is intelligently linked. A user can select a sunlight mode or an indoor light mode through a touch key, and the bathroom cabinet lighting system adaptively adjusts the initial brightness according to the ambient light intensity. In addition, when the user approaches the mirror within a certain distance and stays for more than a set time, the brightness of the mirror front lamp is automatically increased to the maximum, so that a better visual effect is provided. And if the activity is not detected in a period of time, the standby state is automatically returned, so that the optimization balance of energy conservation and user experience is realized.

The present application relates to the technical field of microwave sensor, in particular to a wearable multi-modal flexible microwave sensor.The present application obtains a deformation state value by analyzing deformation data, analyzes stress data to obtain a stress state value, further analyzes element connection state information, then performs corresponding adaptive adjustment according to the element connection state, obtains an adaptive adjustment result, can monitor and analyze the connection of each internal element to obtain the corresponding connection state, can facilitate the user to find abnormalities in time and increase controllability; also, the signal state is obtained by identifying the signal comprehensive parameter, the corresponding signal gain control instruction is generated, the signal gain is executed according to the signal gain control instruction, the corresponding signal abnormal information is generated according to the gain execution, the result of the signal gain is judged, the connection state is confirmed again, and the accuracy of monitoring element connection abnormality is increased.

The invention discloses a double-resonance microwave sensor, and relates to the technical field of sensors, the double-resonance microwave sensor comprises a dielectric plate, the front surface of the dielectric plate is provided with a microwave resonance layer, and complementary opening resonance units are etched on the microwave resonance layer; the complementary opening resonance unit comprises an inner ring groove and an outer ring groove which are concentrically arranged, one side of the inner ring groove is provided with a connecting bridge extending outwards, and the connecting bridge is communicated with the outer ring groove; interdigital slotting units which are symmetrical to each other are arranged on the two sides of the outer ring groove respectively; the back surface of the dielectric plate is provided with microstrip lines corresponding to the complementary opening resonance units. According to the invention, by adopting a dual-resonance structure in which the complementary opening resonance units are coupled with the microstrip lines, dual-resonance transmission response can be excited and formed, so that the detection precision and sensitivity of the sensor are improved.

The invention relates to the technical field of rice processing, in particular to a rice processing monitoring and early warning method and system based on multi-dimensional data analysis, and the method comprises the following steps: conveying rice to a pneumatic screening device through a conveyor belt for screening; constructing an amylose content model; determining the content ratio of the heavy rice to the light rice; forming a plurality of parts of soaked rice according to the content ratio, constructing a microwave sensor, establishing a regression equation of the initial water content and microwave parameters, and outputting the soaked rice with qualified initial water content; detecting whether the cooled rice is qualified in stirring and giving an alarm; detecting the finished product moisture content of the dried rice and giving an alarm, performing rehydration detection on the dried rice, adjusting the cooling temperature and giving an alarm; according to the rice processing monitoring and early warning method based on multi-dimensional data analysis provided by the invention, the processed rice is effectively screened, and the accuracy of a rice processing monitoring and early warning system is effectively improved while the quality of a finished rice processing process is improved.

The invention discloses an intelligent induction solar acousto-optic warning device and a control method thereof, and relates to the technical field of safety warning. The device has good scene adaptability, and can be used in high-risk environments such as high-voltage lines, ditches and fish ponds. The device adopts a solar panel as an independent power supply and can stably operate for a long time in a remote area or an area without mains supply, the deployment flexibility is improved, and the maintenance cost is reduced; various dynamic lighting effects are achieved through the light warning modules arranged on the two sides, and the good warning effect can be kept at night and in the daytime; a microwave sensor is adopted to replace traditional infrared sensing, the influence of temperature change or light reflection is avoided, accurate detection of personnel approaching in high and low temperature and water surface environments is ensured, and safety and reliability are improved; after microwave induction is triggered, the loudspeaker can output preset or self-defined voice prompts, diversified warning requirements of different scenes are met, and efficient safety protection of acousto-optic linkage is integrally achieved.

The utility model relates to an induction electric door of a protective fence, and belongs to the technical field of doors. Comprising a fixed fence mesh, a movable fence mesh, an upper sliding way shell, a microwave sensor and a driving mechanism, a first stand column and a second stand column are fixedly arranged at the two ends of the upper sliding way shell, a third stand column is arranged between the first stand column and the second stand column, and the two sides of the fixed fence mesh are fixed to the first stand column and the third stand column respectively; the microwave sensor is electrically connected with the driving mechanism, the driving mechanism is used for controlling the movable fence mesh to move to complete door opening or door closing, and when the driving mechanism drives the movable fence mesh to make contact with the second stand column, the door is closed; when a door needs to be opened, the driving mechanism drives the movable fence mesh to be away from the second stand column. According to the utility model, automatic induction opening and closing can be realized, and the use convenience and safety are greatly improved.

The utility model discloses an LED panel lamp capable of stable butt joint, and relates to the technical field of LED panel lamps, the LED panel lamp comprises a base plate, a light-transmitting plate and a lamp panel body, the bottom of the base plate is clamped with a clamping block connected with the upper side of the light-transmitting plate through a clamping groove, the upper side of the base plate is connected with a mounting frame and a power supply box, and the lamp panel body is connected with the mounting frame. The interior of the mounting frame is elastically connected with an extension block through a reset spring, and one end of the extension block is connected with the connecting rope. According to the LED panel lamp capable of achieving stable butt joint, after a connecting rod is vertically pulled downwards, a gap reserved between a base plate and a suspended ceiling is inserted, the connecting rod is loosened, at the moment, the connecting rod can reset under the action of a reset spring in a mounting frame and abut against the upper side of the suspended ceiling, and during operation, an electric telescopic rod is controlled through a control box to send out an infrared inductor and a microwave inductor for use; the LED panel lamp capable of achieving stable butt joint solves the problems that an existing LED panel lamp is tedious and inconvenient to butt joint, and a fixing clamping base can be loosened after being used for a long time and is not high in stability.

This invention relates to a microwave multi-mode flow measurement method for horizontal oil-water two-phase flow, employing a combination of a coplanar waveguide-excited helical microwave sensor and a dual-coaxial microstrip antenna sensing unit. The method includes: constructing a relationship between the mixing dielectric constant and water holdup of the horizontal oil-water two-phase flow based on the phase output signal of the coplanar waveguide-excited helical microwave sensor, thereby obtaining formulas for predicting water holdup and oil holdup using the dielectric constant of the oil-water mixture in a horizontal pipe; utilizing the upstream and downstream phase output signals of the dual-coaxial microstrip antenna sensing unit; constructing a correlation velocity model for the horizontal oil-water two-phase flow under different operating conditions based on experimental data, obtaining the functional relationship between the correlation velocity of the mixed fluid in the pipe and the mixing velocity and the phase-separated apparent velocity; and constructing a drift model for the horizontal oil-water two-phase flow under different flow patterns, obtaining functions relating the mixing velocity, the oil phase apparent velocity, and the oil holdup. This invention offers high measurement accuracy.

An apparatus such as a lavatory, a toilet, a urinal, and others includes a vitreous body, a water outlet, and a control unit. A valve configured to selectively provide water at the apparatus. At least one microwave sensor is configured to collect sensor data descriptive of a user in proximity to the toilet. The control unit is configured to receive sensor data from the microwave sensor and generate a control signal response for the apparatus in response to the sensor data from the microwave sensor

This application discloses a multimodal microwave sensor and a multi-parameter decoupling measurement method. The sensor includes a first metal layer, a dielectric layer, a second metal layer, and a transmission unit. The first metal layer is provided with a first microstrip line feed line, a second microstrip line feed line, and a three-mode resonant coupling structure. By setting the transmission unit to connect with a single-end fixed beam, the non-uniform elastic deformation of the single-end fixed beam under pressure causes synchronous asymmetric coupling changes in the three-mode resonant coupling structure. This simultaneously excites two sensing parameters, namely the change in resonant frequency difference and the change in transmission amplitude, to respond independently. Dual-parameter fusion sensing can be achieved without additional circuitry, effectively suppressing temperature drift and environmental electromagnetic interference, improving the anti-interference capability and measurement reliability of the entire microwave pressure sensor, and enhancing the pressure measurement accuracy and the stability of the device.

The invention discloses a microwave sensor for blood coagulation detection, the microwave sensor is sequentially provided with microstrip lines, a dielectric substrate and bottom metal from top to bottom, the microstrip lines are printed on the upper surface of the dielectric substrate, the bottom metal is printed on the lower surface of the dielectric substrate, the microstrip lines comprise a first microstrip line and a second microstrip line, the first microstrip line is printed on the upper surface of the dielectric substrate, and the second microstrip line is printed on the lower surface of the dielectric substrate. The first microstrip line and the second microstrip line are symmetrically arranged along the center line of the microstrip line in the vertical direction. The microwave sensor can be applied to the aspect of biomedical detection, the plasma coagulation process is reflected through the dynamic process of plasma dielectric constant change, the instantaneity of the microwave sensor is greatly improved compared with that of traditional blood coagulation detection equipment, a blood coagulation detection result can be obtained within 3-5 minutes, and the detection accuracy is greatly improved. And the consumption of tested plasma is extremely low, and integration, miniaturization and automation are easy.

The application discloses a double-resonance microwave sensor and relates to the technical field of sensors, which comprises a dielectric plate, the front surface of the dielectric plate is provided with a microwave resonance layer, and the microwave resonance layer is etched with a complementary open resonant unit; the complementary open resonant unit comprises concentrically arranged inner ring grooves and outer ring grooves, one side of the inner ring grooves is provided with an outwardly extending connecting bridge, the connecting bridge is in communication with the outer ring grooves; the two sides of the outer ring grooves are respectively provided with interdigitated slotted units that are symmetrical to each other; and the back surface of the dielectric plate is provided with a microstrip line corresponding to the complementary open resonant unit. The double-resonance structure of the complementary open resonant unit and the microstrip line coupling can excite a double-resonance transmission response, so that the detection precision and sensitivity of the sensor are improved.

The invention relates to an intelligent toilet system which comprises a role storage module, an information management module, a center module and a function response module. The role storage module is connected with the center module and used for establishing a digital account for the information to which the user belongs and sending the digital account to the center module; the information management module is connected with the central module and used for receiving and managing different digital accounts in the central module and increasing, decreasing and modifying user preset information in the digital accounts, and the function response module is connected with the central module and used for identifying a user according to the automatic microwave sensing unit and sending the user preset information to the central module. And completing different function operations according to the prediction information in the digital account to which the user belongs. According to the invention, through the role storage module and the information management module, the user can add, reduce and modify the preset information in the digital account of the user so as to realize personalized function operation. Different users can set parameters such as the temperature of the seat ring, the massage strength and the water spraying flow according to own requirements and preferences.

The utility model belongs to the technical field of grain detection equipment, and particularly relates to a grain moisture detection device which comprises a detection box and a microwave moisture detector, microwave sensors of the microwave moisture detector are symmetrically arranged on the two sides of the detection box, a baffle is arranged above the microwave moisture detector, and the microwave moisture detector is arranged above the baffle. A material receiving plate is arranged below the microwave moisture detector, push-pull openings are formed in the positions, corresponding to the baffle and the material receiving plate, of the detection box, and the baffle and the material receiving plate are both arranged in the push-pull openings and installed on the detection box through two push-pull assemblies in a push-pull mode. Through a large number of experiments, the applicant finds that after grains fall into the detection box and the upper part and the lower part of a grain area detected by the microwave moisture detector are shielded, a detection space is formed between the baffle and the material receiving plate, the detected grain moisture content of the grains in the detection space is consistent with the actual grain content, and the detected grain moisture content is more accurate.

The invention relates to the field of thermal power plants, and discloses a raw coal bunker coal type intelligent management and control system and method based on multi-source information fusion and dynamic optimization, which is characterized in that the system adopts a three-layer architecture of a sensing layer, a decision-making layer and an execution layer, and virtual-real mapping and iterative optimization are realized through a digital twin model; the sensing layer comprises a coal quality characteristic tracking module which is used for generating a unique fuel characteristic code for each batch of coal entering a factory, associating industrial analysis and element analysis data of the coal, and tracking the flow direction of the coal from a coal yard to a raw coal bunker. The non-contact array microwave sensor is adopted to replace or supplement a traditional pure metering or laser scanning mode, the influence of coal dust coverage and the complex environment in the raw coal bunker is overcome, direct, continuous and real-time measurement of different coal type layered interfaces in the raw coal bunker is achieved, and a key data source is provided for accurately calculating the remaining amount of each coal type.