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56results about How to "Monitoring is intuitive" patented technology

Traffic video visibility detecting method based on road surface brightness and least square approach

The invention discloses a traffic video visibility detecting method based on the road surface brightness and the least square approach, and belongs to the technical fields of video image processing and visibility detecting. The detecting method comprises the following steps: 1) acquiring road traffic video images; 2) calibrating the acquired images by a Pan/Tilt/Zoom camera to extract a road surface region of interest (ROI); 3) extracting a road surface region formed by pixel points with the same brightness in the ROI and calculating the value of the road surface brightness; 4) by virtue of combination with the Koschmieder theory and the least square principle, building a squared brightness difference objective function to obtain the optimal solution of an extinction coefficient k; 5) transforming the optimal solution of the extinction coefficient k into image visibility distance Vmet; 6) drawing a curve of visibility changing along with time, observing the visibility condition and performing prejudgment. Proven by experiments, the method is compatible with an existing common traffic condition monitoring system, high in calculation accuracy, high in speed, excellent in robustness to noise, and wide in application prospect.
Owner:南京汇川图像视觉技术有限公司

Vehicle-mounted tunnel landslide monitoring and early warning system and method

ActiveCN110145366ASolve the technical problems of deformation prediction and early warningSave human effortMining devicesUsing optical meansEarly warning systemLandslide
The invention provides a vehicle-mounted tunnel landslide monitoring and early warning system and method. Full-automatic real-time monitoring, data analysis and prediction can be performed on the conditions of the tunnel face protruding degree, the tunnel rock mass stability and the like, so that early warning is carried out on occurrence of landslide, a conventional tunnel engineering hole circumference clearance convergence measurement and earth physical detection landslide early warning mode is broken through, an early warning mechanism is transferred to the tunnel face protruding degree and protruding speed information change, an accurate detection means is given, and a brand-new early warning scheme is formed. A vehicle body part is completely controlled by a control module, manual adjustment and assembly and disassembly work of the device are not needed, manpower is saved, and operation is simple and convenient to achieve; the technical problems of predicting and early warning ofaxial deformation in a tunnel face are solved; and axial positioning of the device in the tunnel is accurate. The shortcomings that in an existing tunnel rock mass deformation monitoring method, themeasured data error is large, and limitation to the tunnel hole circumference displacement measurement exists are overcome; and the accurate measurement of tunnel face protruding deformation is achieved.
Owner:SHANDONG UNIV

High precision monitoring and early warning system and method for roof deformation

The invention provides a high precision monitoring and early warning system and method for roof deformation, and relates to the technical field of roadway deformation monitoring and early warning. Thesystem comprises an explosion-proof optical fiber sensor, a sensor integration device, a signal conversion device, a data transmission device and a data processing unit, the explosion-proof optical fiber sensor converts a roof displacement signal into spectral information, the sensor integration device is connected with the explosion-proof optical fiber sensor within the same monitoring range, the signal conversion device is connected with the sensor integration device, so that the spectral information is converted into an electronic signal, and the data transmission device transmits the electronic signal to the data processing unit. According to the high precision monitoring and early warning system and method for roof deformation, when the system is used for monitoring, the explosion-proof optical fiber sensor is installed in a selected monitoring area, each component of the system is connected to monitor the displacement of a roof, a central controller and the data processing unitestablish a spatial three-dimensional model of surrounding rocks, the roof deformation is determined in real time according to the deformation monitoring and spatial coordinates, and monitoring is more accurate and convenient and also has the advantages of sensitivity and intuition.
Owner:SHANDONG UNIV OF SCI & TECH

Model test device and method for influence of freezing and thawing on deformation of bedding rock slope

The invention relates to a model test device and method for influence of freezing and thawing on deformation of a bedding rock slope. The device comprises a U-shaped slope bench arranged obliquely, jackets are arranged at the bottom of one end, located at a high horizontal end, of the U-shaped slope bench, one end, located at the low horizontal end, of the U-shaped slope bench is movably connected with a buffer platform, and drainage holes are formed in the buffer platform; heating devices are arranged on the periphery of the U-shaped slope bench; tracks are arranged at tops of two side plates of the U-shaped slope bench, multiple sliding seats are arranged on the two tracks, the sliding seats on the two tracks are connected through cross beams in a one-to-one correspondence manner, and multiple dial gages are arranged on the cross beams. The problems that an existing device cannot adjust angles of bedding rock slopes and cannot simulate the effect of freezing and thawing on the bedding rock slope and the like can be effectively solved, and the model test device has the advantages of being convenient to operate, direct in monitoring and the like and has great significance in guiding stability evaluation and treatment of the bedding rock slope in the cold region.
Owner:SOUTHWEST PETROLEUM UNIV

3D lighting monitoring method, 3D lighting monitoring device and 3D lighting monitoring system

The invention discloses a 3D lighting monitoring method, a 3D lighting monitoring device and a 3D lighting monitoring system, and relates to the technical field of intelligent buildings. The operation state of lighting can be monitored, analyzed and managed more visually, comprehensively and completely. Moreover, lighting control can be realized by combining lighting operation state monitoring, analyzing and managing with a sunlight model, and energy saving can be achieved. The method of the invention mainly comprises the following steps: acquiring actual information of a lighting assembly in an actual building, and establishing a 3D lighting system model according to the actual information based on BIM (building information modeling); selecting a corresponding 3D sunlight model according to the level of a sunlight environment where the actual building is located currently, and establishing a change model between the 3D lighting system model and sunlight; controlling the working state of the lighting assembly in the actual building according to the change model; and acquiring related data of the lighting assembly in the actual building under the control of the change model from a data center server, and displaying the related data on the 3D lighting system model. The method of the invention is mainly used in the process of 3D lighting monitoring.
Owner:BEIJING PERSAGY ENERGY SAVING TECH

Method and system for on-line monitoring of line loss in station area and terminal device

The invention is applicable to the technical field of data monitoring, and discloses a method and system for on-line monitoring of line loss in station area and terminal device. The method comprises the following steps: obtaining line loss parameters of a preset area, and calculating monthly line loss management level values of the preset area according to line loss parameters and preset weight coefficients; sending a line loss parameter and a monthly line loss management level value to the display device, wherein the line loss parameter and the monthly line loss management level value are used for instructing the display device to display the line loss parameter and the monthly line loss management level value in the form of a graph or a list; obtaining the key supervisory desk area information of the preset area, daily qualified key supervisory desk area information and daily abnormal key supervisory desk area information; sending key supervisory desk area information, daily qualified key supervisory desk area information and daily abnormal key supervisory desk area information to display device. The invention can reduce the workload of the staff, improve the work efficiency, realize the automatic monitoring of the line loss of the platform area, and enable the staff to monitor the line loss of the platform area visibly through the graphic display.
Owner:STATE GRID HEBEI ELECTRIC POWER RES INST +3

Container energy storage control system

The invention provides a container energy storage control system. The container energy storage control system comprises a container, an energy storage battery group arranged at the internal part of the container, a BMS battery management system, a micro-control unit, and an energy storage bidirectional conversion unit, the BMS battery management system is connected with the energy storage battery group, the BMS battery management system is connected with an EMS management unit, the energy storage battery group is connected with the energy storage bidirectional conversion unit, the EMS management unit and the energy storage bidirectional conversion unit are connected with the micro-control unit via a bus, and the bus is provided with a network communication interface. According to the container energy storage control system, lithium ferrous phosphate batteries are employed, the battery storage capacity is high, and the battery energy conversion efficiency reaches 96%; the dynamic balanced battery management technology is employed, battery maintenance can be rapidly and automatically accomplished, and various application occasion requirements are met; and an omnibearing and multi-layered battery protection strategy and fault isolation measures are provided so that the safety application operation of the energy storage system can be more convenient.
Owner:JIANGSU FGY ENERGY STORAGE RES INST

LNG storage tank perlite settlement monitoring system and method based on distributed optical fibers

The invention relates to a LNG storage tank perlite settlement monitoring system and method based on distributed optical fibers. The system is characterized in that it comprises a plurality of distributed temperature-measuring optical fibers, an optical fiber junction box, a distributed optical fiber temperature-measuring host computer equipped with at least two channels, and a display screen host computer; respective distributed temperature-measuring optical fibers are laid on the inner wall(s) of one or more LNG storage tank outer tanks; the head ends and the tail ends of respective distributed temperature-measuring optical fibers are connected with the optical fiber junction box; the optical fiber junction box is connected with respective channels of the distributed optical fiber temperature-measuring host computer via the distributed optical fibers; and the distributed optical fiber temperature-measuring host computer performs dual-channel bidirectional transmission and demodulation on the head ends and the tail ends of respective distributed temperature-measuring optical fibers to obtain a final temperature measurement value, sends the final temperature measurement value to the display screen host computer for display via a TCP/IP communication interface, and sends the final temperature measurement value to a centralized control system for further processing via a standard communication interface. The system and method can be widely applied to the monitoring of LNG storage tank perlite settlement.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Visual data input method based on intersection information holographic perception

The invention provides a visual data input method based on intersection information holographic perception, and the method comprises the steps: firstly obtaining the information of a plurality of images collected by a plurality of pieces of video equipment in an intersection, and enabling the information to comprise intersection images and the images of a plurality of types of target objects, suchas motor vehicle, non-motor vehicle and pedestrian information; in order to effectively extract information related to traffic control in an intersection and avoid repeated images and redundant images (such as green belts and buildings), target objects are subjected to duplicate removal and combination, the target objects are subjected to duplicate removal through virtual grids in multiple images, information of useful objects at the intersection is recovered, and the information of the useful objects at the intersection is recovered. Then the intersection and the target object are convertedinto an electronic graph form, and redundant information irrelevant to traffic control in the electronic graph form is removed so that the traffic information of the intersection can be displayed in areal-time electronic graph form, and the intersection information is effectively restored; the problem that repeated images and redundant image information exist in image information collected by a plurality of cameras is solved.
Owner:北京博研智通科技有限公司 +1

Cascaded SVG serial-parallel cooperative communication controller

The invention discloses a cascaded SVG serial-parallel cooperative communication controller, and aims to enhance the ability of a serial fiber channel between power units in resisting high-frequency signal interference, so as to facilitate fast detection and location of a failure fiber. The cascaded SVG serial-parallel cooperative communication controller is provided with a main controller and cascaded power units, wherein the main controller is provided with a main control plug-in and a fiber plug-in which are connected; the main control plug-in is connected with the cascaded power units through a serial fiber communication link; and the fiber plug-in is connected with the cascaded power units through a transceiving fiber link. Compared with the prior art, in the invention, by adopting serial and parallel transceiving links, the serial and parallel fiber communication links can be monitored quickly and visually, the ability of the serial fiber channel between the power units in resisting high-frequency signal interference is enhanced, the failure link and the power unit can be accurately judged and located, and the failure fiber is quickly detected and located; and meanwhile, thetime delay in control is little, the accuracy is high, and the fault tolerance is enhanced.
Owner:长园深瑞继保自动化有限公司 +1

Intelligent uncinate joint stress monitoring system and method

The invention relates to the field of medical instruments, in particular to an intelligent uncinate joint stress monitoring system and a method. The neck movement can be monitored flexibly in real time, the movement posture of the neck can be recognized according to the neck movement data, the stress distribution data corresponding to different neck movement postures can be obtained in combinationwith the stress data, and effective big data support is further provided for designing and optimizing the interbody fusion cage. According to the scheme, neck activity data collected by an acceleration sensor and a gravity sensor are obtained in real time, and the neck activity data are sent to a data processing module; the data processing module is used for calculating and identifying a neck movement posture according to the neck movement data; stress data of the stress sensor is acquired in real time, and sending of the stress data to the data processing module is realized; calculating of stress distribution data is carried out corresponding to different neck movement postures according to the neck movement postures and the stress data; and the stress distribution data is sent to an external mobile terminal through the data transmission module. The system is suitable for uncaria joint stress monitoring research.
Owner:WEST CHINA HOSPITAL SICHUAN UNIV

Real-time fluorescence quantification PCR (polymerase chain reaction) method for detecting brown rust of sugarcane

The invention relates to a real-time fluorescence quantification PCR (polymerase chain reaction) method for detecting brown rust of sugarcane. The method comprises the steps of extraction of DNA (deoxyribonucleic acid) of the genome, establishment of a real-time fluorescence quantification PCR detection system, effectiveness judgment of experiments, and real-time fluorescence quantification PCR detection. The method has the characteristics that the sensitivity is high, the specificity is good, and the use amount of DNA is little. Compared with the technologies of conventional identification of morphological characteristics of a spore cultivated according to germs, identification of phenotype symptom of disease according to filed planting, and conventional PCR detection, the method has the advantages that the sensitivity is high, the specificity is good, fewer samples are consumed, and the PCR amplification process can be monitored intuitively at real time, and the like. A fast detection system with high sensitivity and high specificity is provided for the identification of brown rust of the sugarcane, and the method can be used for early diagnosis and detection of brown rust of the sugarcane in the field, and has a significance for the breeding of anti brown rust sugarcane and protection of genetic resources of the anti brown rust sugarcane.
Owner:FUJIAN AGRI & FORESTRY UNIV

Earth and rockfill dam filling real-time dam face deformation monitoring method based on point cloud data

ActiveCN113465524AMonitor deformation trendsIntuitive deformation trendClimate change adaptationUsing optical meansComputational scienceTime information
The invention discloses an earth and rockfill dam filling real-time dam face deformation monitoring method based on point cloud data. The method comprises the steps of: using multiple sets of three-dimensional laser scanners for collecting earth and rockfill dam surface point cloud data at different control points; overlapping the adjacent scanning areas by 30%; resolving and splicing the data by using a point cloud data analysis program; meshing the obtained point cloud data based on a triangulation network curved surface modeling method to obtain a high-resolution dam body digital elevation model; and selecting to-be-compared two-stage dam face digital elevation models, and carrying out displacement calculation and analysis on homonymy points to obtain dam face deformation real-time information. The advantages of the three-dimensional laser scanning technology are fully utilized to be applied to deformation monitoring of an earth and rockfill dam, high-density dam surface point cloud data of the three-dimensional laser scanner are obtained, and global micro-deformation non-contact sensing is achieved; and through comparison of the comprehensive real scene models established in different time periods of the construction period, the deformation trend of the dam face is monitored more comprehensively and visually.
Owner:SINOHYDRO BUREAU 7 CO LTD +1

Semi-automatic measurement and control device for on-line preparation and writing-in device of fiber grating array

The invention discloses a semi-automatic measurement and control device for an on-line preparation and writing-in device of a fiber grating array. The semi-automatic measurement and control device comprises a centralized control system, a lens adjustment control system, a grating scale platform monitoring system and a phase mask plate assembly electronic control system, wherein the lens adjustment control system, the grating scale platform monitoring system and the phase mask plate assembly electronic control system are connected with the centralized control system. The centralized control system controls a plurality of bearing sliding blocks and lens electric modulation modules arranged on the sliding blocks to realize two-dimensional-direction automatic control of the lens. The grating scale platform monitoring system is used for realizing feedback of position information in two-dimensional direction adjustment of the lens. The phase mask plate assembly electronic control system includes a mask adjustment sliding block and two ranging probes that are parallel to each other and are aligned at a bare fiber; a plurality of mask plates are arranged on the mask adjustment sliding block; and the mask plates can be replaced flexibly by moving the mask adjustment sliding block in parallel. According to the invention, the flexibility and accuracy of the system adjustment are ensured; and the long-term stability of the optical path is guaranteed and thus a fiber grating with high reflectivity and spectral shape consistency is obtained.
Owner:武汉烽理光电技术有限公司 +1

High-temperature electrical holder

The invention relates to a holder device, and particularly relates to a high-temperature electrical holder. The high-temperature electrical holder comprises a vertical rotating shaft and a horizontal rotating shaft which are assembled with the holder, wherein the vertical rotating shaft is a hollow shaft, a cooling air inlet is formed in the side wall of the lower part of the vertical rotating shaft, and gaps are remained after assembly holes in two side walls of the holder and two ends of the horizontal rotating shaft and are exhaust openings. The high-temperature electrical holder has the advantages of high temperature resistance (the environmental temperature is lower than 200 DEG C), convenience in installation, flexibility in operation and the like; the monitoring dead angle in a high-temperature environment can be effectively reduced, the visualized degree in an industrial automatic production process is improved, equipment, workpieces and the like in the high-temperature environment are conveniently and more visually monitored by workers, the work intensity of the workers is effectively lowered, and the work efficiency is increased; a good visualization assisting role is played in safety production, quality control and the like of the high-temperature industrial environment. The high-temperature electrical holder can be widely applied to industries such as metallurgy, steel, electric power, glass, cement and petroleum.
Owner:TIANJIN TELEVISION TECH INST

A yarn tension adjustment mechanism for two-for-one twisters in the textile industry

The invention discloses a yarn tension regulating mechanism for a two-for-one twister in the textile industry, and relates to the technical field of the textile industry. The invention includes a mounting frame, a tension regulating roller, a guide roller, a lifting box and a lifting mechanism. A tension regulating roller is arranged at the middle end of the mounting frame, and a guiding roller is arranged on both front and rear sides of the tension regulating roller. Both ends of the guiding roller They are respectively connected in rotation with the first bearing seat, the first bearing seat is fixed on the installation frame, and the two ends of the tension adjusting roller are respectively connected with the lifting box body. The present invention sets the lifting mechanism, the lifting plate, the gas main pipe, the air intake branch pipe and the air discharge branch pipe, and drives the tension adjusting roller to go up and down through the lifting mechanism, so as to realize the rough adjustment of the tension, and adjust the tension of the lifting plate through the air intake and deflation. Position, and then adjust the position of the fourth bearing seat in the lifting box to realize further adjustment of the height of the tension adjustment roller and fine adjustment of tension. The combination of coarse adjustment and fine adjustment greatly improves the adjustment accuracy of yarn tension.
Owner:QINGHAI DERUI TEXTILES IMPORT & EXPORT CO LTD
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