196results about How to "Reduce monitoring costs" patented technology

The invention provides a bridge structural health monitoring car. A mechanical hand capable of being bent to extend into the lower part of a bridge is arranged on the bridge structural health monitoring car, wherein at least one camera is arranged on the mechanical hand and used for collecting the image information of the bottom and the side face of the bridge; a high-precision GPS positioning device is arranged and used for determining a current detection position and measuring the line shape of the bridge surface; a bridge structure dynamic information collecting device is arranged and used for collecting the dynamic characteristic information data of the bridge structure; an information processing device is arranged and used for storing the image information collected by the cameras, the GPS data and the dynamic characteristic information data, judging the health conditions and the disease development conditions of the bridge structure according to the analysis and the comparison of the monitoring data of each time and definitely indicating the disease conditions and parts by visual images. The bridge structural health monitoring car can carry out health monitoring on a plurality of bridges at the same time.

The invention discloses a tunnel construction informatization dynamic monitoring system and a monitoring method thereof. The system comprises an industrial personal computer, a PLC (programmable logic controller) wireless controller, a high-configuration digital camera, a deformation monitoring sensitization part, digital display acquisition equipment, wireless transmission equipment and a dynamic design feedback device. The method includes: 1), controlling commands to be transmitted to the PLC wireless controller by a computer control main station and controlling the digital camera and the digital display acquisition equipment; 2), acquiring internal force monitoring data by the aid of the digital display acquisition equipment; and acquiring a deformation monitoring image via the deformation monitoring sensitization part by the digital camera; 3), transmitting a monitored value to the computer control main station by the aid of the wireless transmission equipment; 4), analyzing results by the computer control main station via a real-time analysis module; and 5), transmitting the analyzed results to the dynamic design feedback device, analyzing relative difference of the really monitored value and a standard value, and early warming in real time by an early warning module. The tunnel construction informatization dynamic monitoring system is scientific, safe and practical, the method is convenient, instant, fast and effective, and safety problems in construction monitoring of tunnels are avoided.

The invention discloses a tunnel structure monitoring system and a tunnel structure monitoring method based on a distributed long-gauge fiber bragg grating. The system comprises distributed long-gauge fiber bragg grating sensors which are comprehensively distributed in a monitored range along the axial direction and the cross section of a tunnel; and longitudinal sedimentation of the tunnel and change conditions of various ring joints of the shield tunnel are monitored. The method comprises the following steps of arranging the distributed long-gauge fiber bragg grating sensors; and acquiring, transmitting and processing data. By the tunnel structure monitoring system and the tunnel structure monitoring method based on the distributed long-gauge fiber bragg grating, full-life monitoring on a tunnel structure in a construction period and a running period can be carried out, and longitudinal sedimentation, convergence deformation, joint deformation, duct piece internal force, strain and the like of the tunnel structure are dynamically monitored in real time.

The invention discloses a distributed optical fiber test platform for monitoring an earth rock dam seepage condition. The distributed optical fiber test platform comprises a heating system, a seepage system and a DTS system; the distributed optical fiber test platform is a practical platform having strong operability, aimed at dam seepage monitoring and based on construction of a dam seepage monitoring two-field coupling simplified model; with combination of the DTS system, the distributed optical fiber test platform provides a possibility for a practical application of seepage monitoring engineering of a porous medium structural body, such as an earth rock dam and a dyke-dam, and builds a reliable test platform for various related test researches; and the distributed optical fiber test platform has the advantages of wide test range, high precision, simple layout, low monitoring cost, high working efficiency, strong engineering applicability and the like.

The invention provides a method for monitoring states of a server. The method includes a step S1, transmitting running parameters of devices in the server to a substrate management controller; and a step S2, determining working states of the devices by the substrate management controller according to the running parameters. By the aid of an embodiment of the method for monitoring the states of the server, conditions of the various devices in the server can be comprehensively monitored by the aid of the substrate management controller with a high integration level, stable running of the server is guaranteed, and monitoring cost is saved.

The invention relates to a system and a method for monitoring seawater intrusion-ground water level-soil salinization in real time. The system comprises an upper computer, an acquisition and emission device with a general packet radio service (GPRS) module, and a resistivity measurement device consisting of pluggable nylon modules and copper electrode rings among the pluggable nylon modules, wherein each copper electrode ring is connected with a central control unit in the acquisition and emission device through a wire. The method comprises the following steps of: selecting a sample point in a seaside region; measuring the resistivity of a soil sample at the sample point when seawater is saturated, fresh water is saturated and the salt content is 0.3 percent, and taking the resistivity asan early warning threshold value; and giving an alarm when the bottom part, middle part or upper part of the resistivity measurement device reaches the threshold value. The system is widely applied, is convenient to use and can be combined according to the monitoring aim to reduce cost, dynamic, in-situ and real-time monitoring is realized through remote data transmission, remote, in-situ, real-time and automatic synchronous monitoring is realized by vertically measuring resistivity at certain depth, and the system has great significance for studying the seawater intrusion-ground water level-soil salinization.

The invention relates to a blade imbalance fault diagnosis method based on a stator current of a double-fed wind generating set. The blade imbalance fault diagnosis method comprises the following steps of: 1, controlling the double-fed wind generating set to operate in a detection mode, and keeping the wind generating set to operate at a constant rotating speed; 2, synchronously acquiring a set stator phase current iA and a generator rotating speed r in the constant-speed operating stage, which meet requirements; 3, according to the acquired generator rotating speed r, calculating a 1-multiple frequency of an impeller speed, carrying out signal processing by an envelope spectrum to obtain an envelope spectrum if signal after carrying out wavelet filtering processing on the stator phase current iA, extracting a 1-multiple frequency amplitude M (1) and a k-multiple frequency amplitude M(k) of the impeller speed in the envelope spectrum if signal and using the 1-multiple frequency amplitude M (1) and the k-multiple frequency amplitude M(k) of the impeller speed as features, wherein k represents a blade number; 4, judging sizes of the 1-multiple frequency amplitude M (1) and the k-multiple frequency amplitude M(k), and if M(1) is greater than a*M(k), determining that blade imbalance exists, wherein a represents a preset amplitude ratio. The blade imbalance fault diagnosis method is simple and easy to operate, excellent in accuracy, and good in applicability.

The invention discloses a real-time leakage analysis method, equipment and system for a water supply pipe network as well as a storage medium. The method comprises the following steps of: establishinga simulation model of a to-be-managed water supply pipe network based on user water consumption of the to-be-managed water supply pipe network, inlet node pressure and pipeline parameters; obtaininga measured flow value of each node of the to-be-managed water supply pipe network; enabling the measured flow value of the node to match with a simulated flow value of a simulation model; and taking anode with matching failure between the measured flow value and the simulated flow value as a target node, and judging whether a downstream water supply pipe network of the target node has a leakage condition or not. A great number of ultrasonic flow meters are mounted in the to-be-managed water supply pipe network so as to reduce pipe network monitoring cost; the flow of the water supply pipe network is monitored in real time, and the simulated data obtained by the stimulation model is compared with the practically measured data of the water supply pipe network to determine the leakage condition of the water supply pipe network. The real-time leakage analysis method increases an accuracy rate of leakage detection, and shortens a detection period.

The embodiment of the invention discloses a network quality monitoring method of an internet data center (IDC) and a system thereof. The method includes: the user accesses the network speed measurement page, and the accessing speed of the user to IDC is measured by the network speed measurement page; the network speed measurement page sends the accessing speed to an IDC monitoring server, and according to the accessing speed, the IDC monitoring server identifies the IDC network quality. The application of the embodiment of the invention ensures that client detection ends need not to be deployed everywhere, so that monitoring cost is remarkably lowered; the embodiment of the invention does not detect IP of the user actively, so that the privacy of the user is protected; according to geographical position and ISP attribute, the IDC monitoring server counts and averages the data of each user to obtain the network speed of each ISP user who accesses IDC everywhere, so as to realize the all-round monitoring of the IDC network quality.

The invention discloses a long-distance water environment monitor and monitoring method based on Zigbee and GPRS (General Packet Radio Service). The long-distance water environment monitor and monitoring method is to divide the water area needed to be monitored into a plurality of small monitoring areas, a plurality of secondary node modules and a main node module are configurated in each monitoring area and the secondary node module and the main node module in the whole monitoring area are connected in a star-like mode. A water quality parameter collecting module collects water quality parameters and sends the parameters to a second zigbee wireless communication module, the second zigbee wireless communication module sends the parameters to a first zigbee wireless communication module in a relay transmission mode through the zigbee protocol networking, ARM (Advanced RISC Machines) processer fuses and processes data and transmits the data to long-distance end network monitoring center through a GPRS module, the main node module controls the entrance and exit of the secondary node module and monitors the working condition of the secondary node module and the Zigbee and GPRS technology are combined to monitor the water environment in real time at the long-distance end.

The invention relates to an atmospheric pollution factor concentration space-time distribution prediction method and system, and the method comprises the following steps: constructing a sparse feature vector based on the historical monitoring data of all stations in a monitoring region, and predicting the historical data of atmospheric pollution factor concentration through a factor decomposition machine; combining the historical data of the atmospheric pollution factor concentration with meteorological parameters to train a long-short-term memory neural network, and predicting future data of the atmospheric pollution factor concentration through the trained long-short-term memory neural network; and training the radial basis neural network by combining the future data of the atmospheric pollution factor concentration with the meteorological parameters and the geographic latitude and longitude of the station, and predicting the future data of the atmospheric pollution factor concentration of the target position point in the monitoring area through the trained radial basis neural network. The method can solve the problems that in the current atmospheric pollution factor monitoring technology, a large number of monitoring devices are needed, atmospheric pollution factor concentration prediction is inaccurate, and the future distribution trend cannot be dynamically analyzed.

The embodiment of the invention provides a security monitoring method and device. The security monitoring method comprises the steps of sending an inspection instruction to each mobile monitoring terminal, thereby enabling each mobile monitoring terminal to carry out inspection according to a preset inspection route, and displaying inspection images of each mobile monitoring terminal; receiving inspection data sent by each mobile monitoring terminal, analyzing whether abnormal information exists in the inspection data or not, and calling abnormal analysis data corresponding to the abnormal information if the abnormal information exists in the inspection data; and determining position information of the abnormal position in a to-be-inspected area, marking the abnormal analysis data in an environment view according to the position information, and displaying the abnormal analysis data, thereby prompting a worker. According to the embodiment of the invention, the comprehensiveness and intelligence in a monitoring process can be effectively improved.

The invention relates to an immediate offshore area water-quality sampling point optimization device and an optimization method thereof. The optimization device comprises an immediate offshore area water-quality data collecting system for collecting immediate offshore area water-quality data and an immediate offshore area water-quality sampling and analyzing system for aggregating the water-quality data of sampling points based on an aggregation analysis method, and aggregating results are analyzed to confirm final sampling points. The invention can improve the representation of the sampling points, ensure the monitor efficiency, reduce the monitor cost, reasonably arrange the sampling points as far as possible and represent the water-quality conditions of a researched region to the maximum extent under the condition of limited monitor cost.

The invention provides a monitoring method for mechanical deformation of a mine filling body. The monitoring method comprises the following steps of (1) fixing an anchor rod at the bottom position of an air return shaft corresponding to a filling body, and fixing a channel steel with a hole at the wellhead position of the air return shaft which is positioned at the top part of the filling body; (2) taking one steel wire rope, forming a fixing end by fixing one end of the steel wire rope on the anchor rod, and forming a movable end by penetrating the steel wire rope out from the small hole on the channel steel; (3) enabling the steel wire rope to be always in a tightening state, and measuring initial distance L between the movable end of the steel wire rope and the small hole of the channel steel; and (4) measuring distance l between the movable end of the steel wire rope and the small hole of the channel steel at regular time intervals, and obtaining deformation l' of the filling body in a vertical direction by utilizing a formula: l' = L - l. The monitoring method provided by the invention is simple and accurate, existing engineering or waste engineering such as the air return shaft is fully utilized, the work amount for monitoring is less, the monitoring cost is low, and the influence on underground associated engineering is small.

The invention discloses a device and a method for monitoring the leakage of a hydraulic structure body. The device comprises a plurality of leakage monitoring modules distributed in the hydraulic structure body, wherein each leakage monitoring module comprises first leakage monitoring units distributed up and down, second leakage monitoring units distributed left and right, and a telescopic support connected with the first leakage monitoring units and the second leakage monitoring units at the same time; leakage measuring optical fibers are distributed in the first leakage monitoring units and the second leakage monitoring units; the leakage condition of the hydraulic structure body is monitored through the leakage measuring optical fibers. The device disclosed by the invention has the characteristics of no heating, distribution and synchronism, and has prominent advantages on the aspects of reducing the monitoring cost, promoting the monitoring precision and the engineering practicability and the like; according to the monitoring method disclosed by the invention, the leakage monitoring modules are flexibly arranged in the hydraulic structure body, and the position and direction of leaked water are obtained through the calibration of the optical fibers and the comparison of the leakage measuring optical fibers, so that the method is simple in operation and accurate in result.

The invention discloses a method for conversion of elevator communication protocols. According to the method for conversion of the elevator communication protocols, an elevator remote monitoring system is connected with Can buses of communication lines of a plurality of elevators, receives and sends information through Can nodes to monitor the operation states of the elevators, carries out recoding on the elevator communication protocols of different formats by using a general protocol format when receiving the information sent by the elevators, and carries out conversion on the information of the general protocol format by using an exclusive communication protocol format of each elevator when sending the information to the elevators, and communication between the elevator remote monitoring system and the elevators is achieved. The invention further discloses a device for conversion of the elevator communication protocols. The device for conversion of the elevator communication protocols is applied in the method for conversion of the elevator communication protocols.

The invention discloses a method and device for visual monitoring and assessment of a running status of a robot. The method comprises the steps of collecting a robot status signal and an operating environment status signal based on all sensors and performing preprocessing to obtain preprocessed signals; performing feature extraction on the signals based on time-domain analysis and frequency-domainanalysis; performing fusion processing on feature data of acquired status signals based on the kalman filtering algorithm to obtain a running status feature of the robot; substituting the running status feature of the robot into a status prediction model stored in a status prediction model base and performing prediction processing to obtain a robot status curve; and when the robot status curve being abnormal is judged, visual status early warning information is visually generated based on a Web interface, and pushing the visual status early warning information to a management terminal based on a hyper text transfer protocol (HTTP). The method and device realize real-time monitoring of the robot, and improve the monitoring efficiency.

The invention relates to a reservoir dam deformation monitoring method and system. The monitoring method includes the following steps that: 1) a reservoir dam deformation monitoring device is set; 2) the initial circular light spot images of each reference point are obtained; and 3) reservoir dam deformation monitoring is carried out. The reservoir dam deformation monitoring system includes a laser emitting device, reference point detecting devices and a main control system; the laser emitting device is arranged at one end of a dam and is used for emitting collimating laser light adopted as a reference line; a plurality of reference points with equal intervals are arranged one a ray with the laser emitting device adopted as an end point; one reference point detecting device is arranged at each reference point; the reference point detecting devices are used for detecting the subsidence and horizontal displacement of the dam; and the main control system is connected with the laser emitting device and the reference point detecting devices through a wireless communication mode and is used for transmitting detection commands, receiving detected data and performing analysis processing on the detected data. With the reservoir dam deformation monitoring method and system of the invention adopted, the automatic detection of the subsidence and horizontal displacement of the dam can be realized, the measurement accuracy of the reservoir dam is improved, and monitoring costs can be reduced.

The invention discloses a webpage-based remote multimedia monitoring method and a system. The method comprises the following steps: a task queue is established by a monitoring server side and a monitoring request command is sent to a remote multimedia playing side at regular time, and the multimedia playing side acquires the current monitoring information according to the monitoring request command and passes back the acquired monitoring information to the monitoring server side; then the monitoring server side receives and buffers the monitoring information sent by the remote multimedia playing side; and finally, a monitoring client side utilizes the ajax (Asynchronous JavaScript And XML(Extensive Makeup Language)) technology to acquire and monitor the monitoring information under a monitoring catalogue through locally refreshing at regular time. Due to the method and the system in the invention, the monitoring client side can access an internet directly, a user can utilize the ajax technology to acquire the newest monitoring information automatically at regular time by logging in a monitoring system, so that the monitoring cost is lowered, and the monitoring convenience is improved.

The invention describes a method to facilitate the use of low-sensitivity monitoring equipment for detecting and monitoring defects on the surface of semiconductor wafers. The method includes the use of a hydrofluoric acid solution for increasing the dimensions of a defect and the application of a thin-film layer of a metal, such as titanium, for improving the appearance of the defect such that the defect dimensions increase to above 0.1 nanometer, the detection threshold for economical low-sensitivity monitoring equipment.

The invention provides a method and a device for monitoring speeds of websites, belonging to the technical field of computers. The method comprises the following steps: acquiring parameters of monitored pages; utilizing an iframe container to load the monitored pages in accordance with the parameters; and when the loading of the monitored pages is judged to be completed, invoking scripts to acquire loading time. The device comprises a parameter acquisition module, a loading module, a judgment module and a time acquisition module. With the adoption of the method and device provided by the embodiment of the invention, the speeds of the websites are monitored by using real network environments of users without deploying testing servers everywhere. By using the method and the device provided by the invention, the speeds of the websites can be monitored in real network access environments of the users, thereby reducing monitoring cost effectively.

The invention provides a nuclear radiation detecting method capable of performing long-term accurate nuclear radiation monitoring and nuclear radiation dose rate estimation on a dynamic environment around a video recording device. The method includes a step of acquiring a video recorded by the video recording device with a CCD/CMOS as a sensor in an environment requiring nuclear radiation monitoring under a condition of no shading dynamic scene, a step of performing frame processing on the recorded video to obtain a series of frame images and obtaining a differential image of each frame imageand an adjacent frame image, a step of detecting a moving object region in the differential image according to the obtained differential image and removing the moving object region in the differentialimage, a step of detecting whether the frame image contains a radiation bright spot according to the differential image with the removal of the moving object region, and a step of obtaining the radiation dose rate of the nuclear radiation environment where the video recording device is located according to a ratio of a number of frame images containing radiation bright spots to a total number offrames of the recorded video and a condition of the removal of the area of the moving object. The method is applicable to nuclear radiation detecting operations.

The invention discloses a method for rapidly performing remote sensing monitoring of dynamic changes of water and soil erosion. The method comprises the step that (1) a gradient factor S of a region to be monitored is obtained; (2) remote sensing images of a plurality of years of the region to be monitored are acquired; (3) according to the remote sensing images of the multiple years in the regionto be monitored obtained in the step (2) are separately subjected to land classification, and a land classification factor L of the multiple years in the region to be monitored is obtained; accordingto the remote sensing images of the multiple years of the region to be monitored obtained in the step (2) are separately subjected to inversion by using normalized vegetation indexes, and a vegetation coverage factor C of the multiple years in the region to be monitored is obtained; (4) a water and soil erosion value A of the multiple years in the region to be monitored is calculated according toa water and soil erosion estimation formula of A=S*L*C; and (5) the conversion and superposition analysis are performed on specific different grade values of water and soil erosion in adjacent years,and the continuous change values of water and soil erosion in the multiple years in the region to be monitored are obtained. Rapid extraction of water and soil erosion regions in a large region is realized, the monitoring cost is low, and dynamic monitoring of water and soil erosion is very convenient and effective.

Ceramic structures such as catalyst supports or combustion exhaust filters that incorporate combinations of high temperature phase change materials, and methods for determining the thermal history of such ceramic structures, by disposing the phase change materials on or within the structures and subsequently detecting the presence or absence of phase changes in the materials after exposure to high temperatures.

The invention discloses a mobile outdoor advertisement monitoring system and method, and belongs to an outdoor media management auxiliary system. The system comprises a terminal and a system end, wherein the terminal is accessed into the system end through a network, the system end is used for accurately positioning on a map based on a satellite positioning system through POI (point of interest) of a to-be-monitored media in advance; the terminal is used for finding the currently adjacent media monitoring tasks on the map through a positioning module, and sorting the media monitoring tasks according to near-far distance; a user can acquire the media monitoring task through the terminal, and then shoots the outdoor advertisement and uploads the shot outdoor advertisement to the system end, so that a client can conveniently understand the publication condition of the outdoor advertisement anytime anywhere; a brand new media monitoring channel is provided, so that the outdoor advertisement is monitored through the adoption of the advantages of the terminal user without special person to inspect; a new advertisement monitoring path is explored, the defects that the traditional outdoor advertisement monitoring information is lagging, and the efficiency is slow are broken through, and the monitoring cost is reduced.

The invention discloses a method for rapidly detecting biogenic amine by thin layer chromatography in one step and belongs to the technical field of food analysis and safety. The method disclosed by the invention comprises the following steps: (1) preparing an activated silica gel; (2) preparing an activated thin layer chromatography plate; and (3) analyzing the thin layer chromatography in the biogenic amine in a food sample. The method for rapidly detecting biogenic amine by thin layer chromatography in one step, disclosed by the invention, can be used for rapidly measuring the content of biogenic amine in products such as aquatic products, meat, diary products, pickled vegetables, spirits and esters. Compared with other analytical methods, according to the method, a derivating agent is directly fixed on a medium during activation, and the extracted and purified sample needs not to be derived, is diluted to a calibrated range and can be directly dispensed to be expanded for measurement; moreover, no expensive analytical instruments are required, so that the method is low in expense and simple and rapid to operate, and can effectively lower the monitoring cost in food production and circulation.

The invention discloses an abrasive particle monitoring sensor of oil. The sensor mainly comprises an excitation source, a detection conversion module, a signal conditioning module and a signal acquisition module, wherein the detection conversion module comprises two identical PCB (printed circuit board) planar coils, two identical capacitors and two identical resistors. The signal conditioning module comprises two identical conditioning branches and a differential amplification circuit; input ends of the two conditioning branches form two input ends of the signal conditioning module and are connected with an output end of the detection conversion module; output ends of the two conditioning branches are connected with two input ends of the differential amplification circuit; and an outputend of the differential amplification circuit forms an output end of the signal conditioning module and is connected with an input end of the signal acquisition module. The current vortex based PCB planar coil sensor has the characteristics of simple structure, high sensitivity, a wide linear range, high interference resistance, non-contact measurement, low cost and the like.

The invention discloses a prediction method for vertical deformation of an existing subway tunnel adjacent to foundation pit engineering. The prediction method comprises: monitoring a foundation pit and a tunnel structure adjacent to the foundation pit laterally, and analyzing vertical displacement characteristics of an enclosure structure and the tunnel structure; recording a cumulative verticaldisplacement measured value of the enclosure structure as dw and a cumulative vertical displacement measured value of the tunnel structure as dt, taking the axial direction of the tunnel as an x-axisdirection, taking the position of a first monitoring point as an x-axis zero point, taking the monitoring data of each monitoring point as a data point, and drawing distribution curves of dw and dt along with the axial position of the tunnel; recording the horizontal distance between the enclosure structure and the adjacent ascending and descending tunnels as L; drawing a relation curve of dt and1000dw/L by considering the influence of L on the deformation correlation of the enclosure structure and the tunnel to obtain dt = Aln (1000dw/L) + B; obtaining dt' of different axial positions of thetunnel by utilizing dt'= Alg (1000dw/L) + B; and drawing a distribution curve of dt and dt' along the axial direction of the tunnel, calculating a prediction error, and evaluating a prediction effect.

An on-line measuring system of pull type in deep sea is prepared as using transducer detection subsystem to detect deep sea data and transmitting detected data to hyper baric chamber measuring and controlling subsystem under water as well as transmitting said data to deck control subsystem after it is stored in hyper baric chamber measuring and controlling subsystem underwater, storing and processing as well as displaying said data by deck control subsystem.

The invention discloses a remote sensing rating method for growth vigor of crops on a large scale. The remote sensing rating method includes A, acquiring temporal MODIS (moderate-resolution imaging spectroradiometer) data of evaluation years, and preprocessing the temporal MODIS data to obtain temporal EVI (enhanced vegetation index) data; B, revising the temporal EVI data; C, acquiring temporal EVI data of comparison years, analyzing the similarity among the temporal EVI data of the comparison years and the revised temporal EVI data and finding out reference temporal EVI data for rating the growth vigor; D, grading and evaluating the temporal EVI data of specified numbers of periods of the evaluation years according to the reference temporal EVI data. The MODIS data contain quality evaluation information. The remote sensing rating method has the advantages that the remote sensing rating method is adaptive to the requirement on monitoring the growth vigor of the crops in complicated planting systems on a large scale, and influence of phenological change of the crops and change of crop planting structures can be effectively prevented as compared with the traditional simple historical same-period comparison method.