35results about How to "Realize quantitative monitoring" patented technology

The application relates to a method and system for monitoring a urban heat island effect based on a domestic satellite. The monitoring method includes: preprocessing remote sensing data provided by the domestic satellite; performing atmospheric correction on the preprocessed remote sensing data by using a predetermined model, and estimating the earth's surface emissivity; inverting the earth's surface temperature based on the data preprocessing, the atmospheric correction, and the estimated earth's surface emissivity; and drawing a correlation graph corresponding to the earth's surface temperature and/or heat island intensity according to the inverted earth's surface temperature and monitoring the urban heat island effect based on the correlation graph. The method and system can make use of the data of the domestic satellite, quantitatively invert the earth's surface temperature, construct and form a variety of thematic maps and profile maps to realize the quantitative monitoring of the urban heat island effect.

The invention discloses a combustion monitoring and diagnosis method based on feature extraction and fuzzy C-means cluster, comprising steps of utilizing time-frequency domain analysis and comentropy analysis technology to extract a flame characteristic value reflecting the combustion condition in flame detection signals, utilizing the fuzzy C-means cluster algorithm to perform FCM cluster analysis on the flame characteristic value and calculating a fuzzy combustion index through the fuzzy recognition. The invention can obtain a quantitative value of a combustion state through the fuzzy mode recognition and calculation of the combustion index, can classify the combustion states to realize quantitative monitoring of the combustion state, can promptly and accurately reflect boiler operation performance attributes, can provide new thoughts and methods for optimizing the performance and monitoring the state of the boiler, and can provide a reference model to the advanced modules of the power plant monitoring information system (boiler operation optimization, state monitoring and fault diagnosis).

The invention discloses a detecting method and system for integrity of a nuclear power station fuel element cladding. The detecting system comprises a detecting assembly, a comparing assembly and an alarm assembly, wherein the detecting assembly is used for detecting and outputting activity concentration of inert gas contained in loop coolant; the comparing assembly is used for receiving the output activity concentration obtained through detection, comparing the detected activity concentration with a preset alarm threshold value condition and generating and sending an alarm signal if the alarm threshold value condition is met; the alarm assembly is used for receiving the sent alarm signal and giving an alarm according to the preset alarm mode. The breakage rate of the fuel element cladding can be detected by monitoring the activity concentration of the inert gas contained in the loop coolant, the detecting system is higher in feasibility and sensitivity, and mistake measurement possibly caused by non-fuel element failure can be avoided; one or more alarm threshold values can be set, and the breakage rate limit value of the fuel element cladding concerned during safe operation of a nuclear power plant can be monitored quantitatively.

The invention relates to the field of virology. Specifically, the invention relates to feature peptide for quantitative detection of HPV16 L1 protein and HPV18 L1 protein, and a method for quantitatively detecting the HPV16 L1 protein and the HPV18 L1 protein.

The invention discloses a high-sensitivity graphene flexible strain transducer and a preparation method thereof, and belongs to the field of material science. The high-sensitivity graphene flexible strain transducer is a sandwich structure in which a flexible base material and a protection layer are arranged oppositely, and a graphene film is arranged at the middle. The preparation method comprises the following steps: pre-pressing and tabletting a graphene sheet to obtain a graphene film; uniformly coating one side surface of a flexible film with a pressure-sensitive adhesive as a flexible base material; putting the graphene film above the flexible base material on the side coated with the pressure-sensitive adhesive, and bonding; putting a pair of wires at two ends of the graphene film,and curing with conductive silver paste; covering the laminated graphene film with the side coated with the pressure-sensitive adhesive of the protection layer, and pressing for bonding. The preparedhigh-sensitivity graphene flexible strain transducer can realize high-sensitivity strain monitoring and has good skin friendliness with human body, and thus is very suitable to be used as human motionmonitoring sensor and wearable equipment.

The invention provides a multifunctional in-situ long term observation device which relates to the field of ocean prospecting equipment and is capable of effectively realizing quantitative monitoring of deep seabed engineering geological conditions such as PH value, oxidation reduction potential, alienation pore pressure, resistivity and temperature. In order to providing technical support to deep ocean engineering geological research, the technical scheme of the invention is characterized in that the multifunctional in-situ long term observation device comprises a main body support member, a suspension member, a measurement control and communication unit, a geological monitoring unit and a multifunctional in-situ test probe; the main body support member is a rod-shaped member; the measurement control and communication unit is arranged on the upper end of the main body support member; the suspension member is connected to the upper end of the measurement control and communication unit; the multifunctional in-situ test probe is arranged on the lower end of the main body support member; and the geological monitoring unit is arranged on the main body support member and is connected with the above measurement control and communication unit through a cable.

The invention provides a KPI monitoring method and device for a production line, electronic equipment and a readable medium, and relates to the technical field of printed circuit manufacturing. The KPI monitoring method comprises the following steps of collecting production data of the production line in real time, and analyzing the production data of the production line to obtain KPI indexes of the production line; and displaying the compliance situation of the KPI indexes on a factory map separately according to the compliance situation of the KPI indexes and the location of the production line at the factory map, thereby realizing real-time statistics on various KPIs of the production line. By displaying the compliance situation of KPIs in real time, the staff can pay attention to abnormal points on the factory map at any time, so that the staff can promptly take remedial measures on the problems in production and prevent the spread and deterioration of the abnormality, thereby ensuring product quality.

The invention discloses a fuzzy C-means clustering-based on-line monitoring method for the quality of slurry of a desulfurization system. The method comprises the steps of firstly analyzing parameters, which include the desulfurization efficiency, a pH value of the slurry, and limestone indexes of reflecting the relationship between the limestone flow and the SO2 inlet concentration as well as the total amount of a flue gas, of reflecting the quality characteristics of limestone slurry by using a correlation analysis method; and carrying out clustering analysis on the parameters reflecting the quality characteristics of the slurry by adopting a fuzzy C-means clustering algorithm, thereby achieving identification and diagnosis of the quality of the limestone slurry. A fuzzy slurry quality index is also provided on the basis according to the thought of a fuzzy membership, thereby achieving effective monitoring and quantitative evaluation on the desulfurization system. The quality of the limestone slurry can be quantitatively calibrated within a continuous time period and a basis is provided for adjustment and control of a slurry system.

The invention relates to a high-sensitivity flexible eddy current array sensor, which comprises a sensor body and a connection part, wherein the connection part is positioned on one side of the sensorbody; the sensor body is provided with a first protection film layer, a first coil layer, a flexible substrate layer, a second coil layer and a second protection film layer in sequence from top to bottom; the sensor body also comprises an exciting coil and a plurality of induction coils, wherein the exciting coils comprise two layout forms: the exciting coils are arranged in the second coil layer, and forms a plurality of equal-interval rectangular units in the second coil layer, and two ends of each exciting coil are independently connected with the connection part; or one end of each exciting coil is connected with the connection part, and a plurality of equal-interval rectangular units are arranged and formed in the first coil layer, in addition, and one end of each exciting coil penetrates through the flexible substrate layer to the second coil layer and is connected with the connection part along the second coil layer. The invention also discloses a monitoring method based on thehigh-sensitivity flexible eddy current array sensor. By use of the system and the method, the quantitative monitoring of the crack damages of a plurality of key positions can be realized.

The invention provides a flexible circumferential intersected array eddy current sensing film and a method for monitoring a crack, wherein the film and the method are used for monitoring a bolt connecting structure hole edge crack. The film comprises an intersected sensing array which is composed of at least exciting coil and at least three induction coils. According to the intersected sensing array which is composed of the exciting coil and the induction coils, a lead is printed on a flexible film through flexible printed circuit board technology for manufacturing an integral member. The exciting coil covers the hole wall of the whole connecting structure. The induction coils form an induction coil intersected sensing array which is distributed in the circumferential direction of the boltand has an intersected sensing area. The induction coils of the induction coil intersected sensing array are distributed on the upper side and the lower side of two film layers. When the two film layers are stacked, the induction coils are successively distributed in a staggered manner in one direction for forming the intersected array. The intersected array according to the invention can realizethe same crack identification capability at a random circumferential position and has no crack identification blind area.

The invention provides a decision-making method and system for fault mode and influence analysis and a storage medium. The decision-making method comprises the steps of obtaining device state data ofeach monitoring point of a target device state; carrying out template matching on the target data stream template and a normal template; when the template matching degree of the target data flow template and a normal template is smaller than a first standard threshold value, determining that the target data flow template is a fault data flow; carrying out template matching on the target data flowtemplate and a fault data flow template, wherein the fault data flow template is a data flow template when equipment has a fault; when the template matching degree of the target data flow template anda fault data flow template is greater than or equal to a second standard threshold, determining that the target data flow template corresponds to a registered fault, and outputting a decision corresponding to the target data flow template; otherwise, determining that the target data flow template corresponds to a new fault. The method can adapt to the flexibility and variability of hardware forms, and can accurately judge faults and give decisions.

The invention belongs to the technical field of anaerobic microorganism culture medium deoxygenization devices, and particularly provides an anaerobic microorganism culture medium deoxygenization device capable of adjusting gas composition, which comprises a controller, a main gas circuit and a branch gas circuit, and is characterized in that the main gas circuit starts from a gas outlet communicated with the outside; a vacuum system, a valve system I, an air pressure detection system I, a valve system II, a valve system III, an air pressure detection system II and a gas storage system are sequentially connected. Meanwhile, the invention discloses an automatic anaerobic microorganism culture medium preparation device which comprises a main gas circuit, a box body and a controller, a supporting ring is detachably connected to the upper surface of the box body, a bottom plate is fixedly connected to the lower surface of the interior of the box body, and the main gas circuit is placed in the bottom plate; the right side of the main gas path is sequentially communicated with a vacuum meter, a first electromagnetic valve and a vacuum pump from front to back, gas is stored in the storage device, the storage device can be used for providing special gas needed by microorganisms, and microorganism preparation is facilitated.

The invention relates to a liquid rocket engine test run diaphragm box type end face sealing fault monitoring method, which comprises the following steps of: firstly, setting a pressure measuring point and a temperature measuring point at a blow-off inlet of an isolation cavity of a liquid rocket engine, setting a pressure measuring point and a temperature measuring point at a fuel side discharge port, and setting a pressure measuring point and a temperature measuring point at an oxidant side discharge port; then monitoring parameter thresholds are set, parameters of all the measuring points are collected in real time, and when the parameters exceed the corresponding thresholds, it is judged that an end face sealing fault occurs. Meanwhile, the end face sealing leakage amount can be calculated.

The invention discloses a truck fatigue driving detection method based on image recognition and an ADAS device. The method comprises the following steps: S1, determining the state of a driver based on an image in a cab acquired by a cab monitoring camera, and determining a detection interval time T1 according to the state of the driver; and S2, for each detection interval time T1, executing steps of determining a driver fatigue value FA, wherein the steps of determining the driver fatigue value FA comprises: S21, in a preset detection period T2, obtaining a forward image by a vehicle-mounted forward camera at a set frequency f, S22, based on the forward image, determining a vehicle lateral displacement Di in each t, S23, determining a driver fatigue value FA based on the vehicle lateral displacement Di, and S24, determining a fatigue degree grade according to the driver fatigue value FA.

The invention belongs to the technical field of structural health monitoring, and provides a device for monitoring internal corrosion of a water supply pipe. The device is divided into a left part anda right part; each part comprises a circular powerful magnet, a wall-shaped support, a bolt, a support base plate, a laser reflector, a rod-shaped support, an optical fiber, a ceramic end head and ascrew; and the left part and the right part are axisymmetric. The device is based on the extrinsic optical fiber Fabry-Perot sensing technology and the principle that the wall thickness reduction caused by internal corrosion of the water supply pipe results in changes of the Fabry-Perot cavity length, when the wall thickness is reduced due to the internal corrosion of the water supply pipe, an interference spectrum of an optical signal in an optical fiber changes, each interference spectrum image corresponds to a cavity length delta, the nondestructive and real-time online monitoring of the internal corrosion of the water supply pipe is realized by monitoring the interference spectrum of the optical signal, and thus the internal corrosion damage of the water supply pipe can be pre-warned and maintained in time. The device is convenient to manufacture and low in investment cost, can reduce the manual operation amount and is beneficial for monitoring water supply pipelines on a large scale.

The invention provides a real-time state monitoring and early warning method and device for an electromagnetic brake. The method is characterized in that firstly, a current sampling module and a voltage sampling module measure the current i and the voltage U of a coil respectively; secondly, an MCU component calculates coil inductance L according to a differential equation of the RL series circuit; deltaX is calculated according to the relation between an air gap of the brake and the inductance L; and finally, the MCU component transmits the data to an upper computer control system through a monitoring and early warning output module. The method and the device have the positive effects that the air gap position and the action distance of the electromagnetic brake are quantitatively monitored, and even if the stroke of the armature is small, quantitative monitoring and real-time giving can be realized, and the reliability is remarkably improved.

The invention discloses a river ecosystem function determination method, which is characterized by comprising the following steps in sequence: S1, preparing a determination device, S2, determining theposition of a monitoring station, and arranging an artificial substratum, S3, carrying out regular treatment and maintenance on the artificial substratum, S4, recovering the artificial substratum, and collecting a test sample, S5, determining related ecosystem function indexes. According to the invention, the method can complete monitoring of three different types of ecosystem functions (productivity, resolving power and stability) in the same period, so that multi-parameter data are provided for comprehensively evaluating and investigating the condition of the river ecosystem at the station,quantitative monitoring of ecosystem functions can be achieved, on the basis of further obtaining watershed water quality, hydrology, human activities and climate change parameters, the correspondingrelation of the ecosystem functions to environmental factors can be quantitatively analyzed, and powerful technical support is provided for evaluating ecosystem function health conditions of all monitoring stations and the whole watershed.