174results about How to "Improve monitoring reliability" patented technology

The invention provides a transportation vehicle management system and a management method of the system. A data acquisition device is used for performing data acquisition on transportation vehicles, obtaining vehicle information and sending the vehicle information to a management and control device. When the management and control device is in a preset operation time period at the current time, whether the corresponding transportation vehicles are located within a preset operation range or not is judged according to position data of the vehicles, and if not, a lifting forbidding command is sent to a limiting device. After the limiting device receives the lifting forbidding command, the transportation vehicles are forbidden to perform lifting operation. When the management and control device is in the preset operation time period at the current time, the positions of the vehicles are judged according to the acquired position data of the vehicles, if the transportation vehicles are not located in the operation range, the transportation vehicles are forbidden to perform lifting operation, pollution to the environment can be effectively avoided in the transportation process, and compared with a traditional transportation vehicle management method, monitoring reliability is improved.

The present invention provides an X-ray CT apparatus which realizes an improvement in timing control on transition to an actual scan for contrast agent synchronous imaging and its reliability, and an improvement in reduction in X-ray exposure. The X-ray CT apparatus includes an X-ray source, an X-ray detector disposed so as to be opposite to the X-ray source with a subject implanted with a contrast agent being interposed therebetween, a contrast agent synchronous imaging device which performs acquisition of projection data upon the start of the actual scan for the contrast agent synchronous photography while relative operations between the subject and the X-ray source, and the X-ray detector are being accelerated in a predetermined direction, and image reconstructing device which reconstructs a tomographic image, based on the projection data.

The invention relates to a satellite-borne double-CAN (Controller Area Network) bus node failure self-restoration system. Interrupt signals of two CAN controllers based on a double-CAN bus communication node are processed by adopting hardware logic and operation, on the one hand, the output signals are transmitted to a processor for receiving interruption of data, and on the other hand, the output signals are used for generating pulse signals so as to clear a failure monitoring hardware watchdog; when the watchdog does not receive a watchdog clearing signal in the setting time, hard restoration signals are generated to restore the two CAN controllers, and simultaneously, a failure alarm interruption signal is generated to inform the processor to initialize the two CAN controllers so as tofinish the failure restoration of the CAN communication node, therefore, the reliably and the real-time problems of failure detection are solved, meanwhile, the automatic removal of failure is ensured.

The invention discloses a battery energy storage station monitoring method and system based on big data and digital twinning, and the method comprises the steps: building a first digital twinning model according to total element information of a battery energy storage station and a first simulation system, and the first digital twinning model comprises a three-dimensional model, a data model and a mechanism model; dynamically updating the first digital twinborn model to obtain a second digital twinborn model; according to the failure behavior data of the battery energy storage power station, constructing a first power station monitoring model, wherein the first power station monitoring model comprises a monitoring model, an analysis model and an alarm model; and performing intelligent monitoring on the battery energy storage power station according to the second digital twinning model and the first power station monitoring model. The technical problems that in the prior art, monitoring of the battery energy storage station is not perfect, intelligent data analysis cannot be accurately conducted on thermal runaway, the reliability of safety control is low, and the efficiency is not high are solved.

The invention relates to a pipeline leakage recognizing and positioning system and method based on sound wave imaging. The pipeline leakage recognizing and positioning system and method are mainly characterized in that the system comprises pipeline infrasonic wave sensors, digitalizers, direct-current voltage stabilizing power sources and a monitoring server; the pipeline infrasonic wave sensors are arranged at the two ends of a measured pipeline respectively, and sensing heads of the pipeline infrasonic wave sensors are in complete contact with a medium in the pipeline and immersed in the medium in the pipeline through open holes in the measured pipeline; the pipeline infrasonic wave sensors upload measured signals to the monitoring server through the digitalizers; and the monitoring server calculates a sound and image graph for sound pressure distribution in the part, between the two pipeline infrasonic wave sensors, of the pipeline according to the measured signals uploaded by the two digitalizers, and the position and strength of a leakage sound source are recognized on the sound and image graph. According to the pipeline leakage recognizing and positioning system and method based on sound wave imaging, leakage is recognized based on the stability of the sound and image graph according to the wideband characteristic of leaking sounds, the accuracy of leakage recognition is improved and reaches more than 95%, the rate of false alarms is lower than 5%, the leakage process can be reflected, and the leakage flow is estimated.

To provide an optical filter switching device for a camera in which a clear image can always be obtained during the day and at night.In a cameral in which an image is formed on an image pick-up element (2) through a lens (1a) provided on a camera body (1) and is converted into an electric signal through the image pick-up element (2), thereby obtaining an image signal, optical filter switching means (3) for switching optical filters (3a) and (3b) depending on a level of the image signal is provided on a front surface of the image pick-up element (2) and a clear image can always be obtained during the day and at night. Therefore, in the case in which such a camera is used for a surveillance camera, the reliability of a monitoring system can be enhanced.

The invention relates to a method of monitoring rusting risk of reinforcement in concrete in situ. The method includes the steps of 1, according to the principle of plane state of stress and stress concentration, applying prestress to rusting monitoring sensing units to enable them to be in a plane state of stress; 2, packaging three sides of each rusting monitoring sensing unit, and reserving one side as a rusting monitoring side; 3, distributing the rusting monitoring sensing units at equal intervals within a rectangular steel frame, before concreting, distributing the rectangular steel frame and the outer surface of concrete at a certain angle in an area to be subjected to reinforcement rusting monitoring, allowing the rusting monitoring sides to face a protective layer, and performing rusting monitoring through continuous strain measurement of different sectional heights of sheets. The method has the advantages that monitoring chloride threshold concentration fronts at different depths is achieved, initial rusting time of the reinforcement is predicted, results are updated according to monitoring data, the rusting monitoring sensing units as deep as the reinforcement allow the final initial rusting time, rusting rate and rusting degree of the reinforcement to be directly monitored.

The invention belongs to the structural health monitoring field and relates to a system monitoring whether a pipeline leaks or is blocked or not in real time. An intelligent monitoring system comprises pipeline state monitoring devices, signal acquisition modules, signal transmission modules, power supply modules and data analysis display modules, wherein sensors in the pipeline state monitoring devices are buried in the inner walls of the monitoring devices, and three or more pipeline monitoring systems are buried in the pipelines between pump stations and used for monitoring the pressure of fluid conveyed by the pipelines to the pipeline walls, the fluid temperature and the flow state in real time. An information analysis system carries out analysis operation according to acquired sensor signals, judges whether the signals are abnormal or not, judges whether leakage or blockage occurs in the pipelines or not, and feeds analysis results and warning information to monitoring personnel of the pump stations, thereby achieving intelligent monitoring of pipeline health states, positioning breakdown areas more quickly and more accurately and realizing precise maintenance.

The invention relates to a vehicle mounted dangerous articles control sensor network system, including: a dangerous articles detection sensor, installed around dangerous articles; a video acquisition device, installed above the dangerous articles, for acquiring and outputting video signals; a display screen, connected with the video acquisition device, for receiving video signals output from the video acquisition device; a wire transmission module, connected with the video acquisition device and the display screen, for transmitting the video signals from the video acquisition device onto the display screen; a signal processing module, for receiving analog induction signals and outputting digital sensing signals; a wireless transmission module, connected with the signal processing module, for transmitting outside in a wireless mode; a central control module, for receiving the digital sensing signals and determining to output control signals when the digital sensing signals represent the occurrence of dangerous articles and heterogeneous; a short message alarm module, connected to the central control module, transmitting alarming short messages to mobile phone of appointed users in a short message mode; a audible alarm module, connected to the central control module, for receiving the control signals transmitted from the central control module through a CDMA wireless network; a GPS locating module, installed on vehicles transporting dangerous articles, for reporting the accuracy position of vehicles toward control center in real time. The invention also provides a monitoring method, which effectively reduces work intensity of staff, improves reliability of vehicle mounted dangerous articles carriage, and can reduce false dismissal rate and false alarm rate.

The invention provides an unmanned aerial vehicle monitoring system for monitoring floating objects in water. The system comprises a UAV (unmanned aerial vehicle) cruise module and a ground monitoring processing module. By using the UAV cruise module to carry out monitoring, most water areas can be reached, the implementation difficulty of monitoring is small, a UAV does not carry monitoring personnel, the UAV cruise module reaches an observation point in the air, the disadvantages of power safety reliability and the interference of water area velocity and water flow direction by using an observation ship are overcome, the possibility of accidents is little, the reliability and safety of monitoring are improved, the floating objects in a large water area can be monitored in a short time, the monitoring efficiency is improved, a lot of manpower and resources are saved, the energy consumption of monitoring personnel is reduced, a monitoring area and a water area floating object area can be accurately calculated, the density of the water area floating objects is accurately calculated, and the analysis decision and further measures are facilitated according to provided detailed monitoring data.

The invention discloses a remote sensing satellite data ground station distributed monitoring management method. The invention aims to provide a monitoring management method capable of improving reliability. The invention is realized through the following technical scheme: the method comprises the following steps: 1.a Service routing maps the actual monitoring service function entity to the devicemonitoring service component of the multiple antenna devices, the task plan management service component, the task parameter management service component, and the log management. Remote sensing satellite data ground station distributed monitoring and management system in the service component, fault detection and alarm component and remote monitoring service component monitored during the computerization process, and the model of service management component including service registration, service monitoring and service query to form a remote monitoring satellite data ground station distributed monitoring management system ; The equipment monitoring service is automatically registered to the service management center and published to the service management center; The ground station automatically operates services through the service management center, and each business service searches the required equipment monitoring service through the service management center to monitor and control equipment parameters.

Provided is a portable crop growth information monitor based on an active light source. The monitor is characterized by comprising a light source system, a spectrum signal acquisition system and a main unit system. The front end of the light source system is connected with the main unit system, the rear end of the light source system is connected with the spectrum signal acquisition system, the rear end of the spectrum signal acquisition system is connected with the main unit system, and the rear end of the main unit system is connected with the light source system. The monitor can simultaneously and comprehensively monitor and diagnose various physiology and zoology information including chlorophyll content of crops, a normalized difference vegetation index (NDVI), a leaf area index, leaf dry weight, nitrogen content, nitrogen accumulation amount, a net photosynthetic rate, a transpiration rate, leaf temperatures and the like, and has functions of data acquisition, analysis, display, storage, checking and display. By means of application of built-in electronic information techniques, the system structure is simplified, and the monitor has the advantages of being convenient to carry and low in power consumption and the like.

The invention discloses a fire extinguishing system with fire extinguishing medium leakage monitoring function and a fire extinguishing medium leakage monitoring method; by collecting of the state parameters of a fire extinguishing medium of each fire extinguishing device in the fire extinguishing system, whether a fire extinguishing medium leakage occurs can be judged according to the state parameters of the fire extinguishing device, when the fire extinguishing medium leakage occurs, an alarm prompt is sent out, leakage information of the fire extinguishing device can be obtained according to the state parameters, and the obtained leakage information is sent to a mobile terminal for query and remote alarm prompt, sent to a remote monitoring platform for query and system maintenance management use. A fire extinguishing medium leakage monitoring device, the remote monitoring platform and the mobile terminal cooperate with each other, so that fire extinguishing medium leakage on-site monitoring alarm function can be realized, remote alarm and maintenance management can be realized by the remote monitoring platform, and 24 hours of uninterrupted monitoring can be realized without sampling interval and staff intervention.

The invention relates to a video content distribution quality monitoring system and a monitoring method therefor. A configuration management server sends a monitoring task to each monitoring node server; the monitoring node server monitors a corresponding content delivery network (CDN) node according to the monitoring task, acquires a monitoring result and sends the monitoring result to the configuration management server; each CDN node is monitored by at least two monitoring node servers; and the configuration management server receives monitoring results returned by all the monitoring node servers, analyzes the monitoring results and generates warning information so as to be displayed. The monitoring node servers are in cloud service distributed deployment, and at least two monitoring node servers monitor the same CDN node, namely, one CDN node is covered by at least two monitoring nodes, so that the monitoring quality and monitoring comprehensiveness of the CDN node can be guaranteed, and the monitoring reliability is improved.

An elevator has a control unit, a bus, a first microprocessor and at least a second microprocessor, which microprocessors are associated with a bus junction and which are connected by the bus with the control unit. The control unit communicates an instruction by the bus to the second microprocessor to interrupt a signal transmission to the first microprocessor so that the first microprocessor transmits a status message to the control unit.

The invention relates to a safe and intelligent omnibearing monitoring device for a dam, comprising an omnibearing inclination sensor array, an omnibearing vision sensor, an embedded system, an LED lighting source, a sound alarm unit, a power supply unit and a solar charging unit. Various deformations of the dam are monitored in real time through the omnibearing inclination sensor array; and when the deformation of the dam exceeds a certain strain threshold, the omnibearing inclination sensor array sends a trigger signal, automatically synthesizes the information of the deformed geographical position of the dam to a local panoramic image and sends to monitoring personnel. The safe and intelligent omnibearing monitoring device for the dam has the advantages of omnibearing perception detection method, omnibearing vision confirmation area, omnibearing information issue means, easy maintenance and regulation, high real-time performance, safety and reliability, low power consumption and event trigger.

The invention discloses a road vehicle type identification method and a system thereof, belonging to the technical field of identification. The method comprises the steps: a distance measuring deviceis arranged above the driveway of the road; the distance measuring device transmits distance measuring signals to the driveway according to a certain frequency to monitor the vehicle passing through the driveway, and a monitoring device obtains a plurality of monitoring points with distance change by monitoring under the influence of the passed vehicle appearance; and the appearance features of the vehicle passing by are formed by the obtained monitoring points, and the formed appearance features of the vehicle and the stored basic appearance features of all the types of the vehicles are matched so as to identify the type of the vehicle passing by. The vehicle type identification method has higher monitoring reliability, can comparably accurately identify the type of the vehicle passing byand provide accurate monitoring data for the road monitoring, can realize 24-hour monitoring and not be influenced by light and climate change, and can transform the monitoring facility in the existing traffic roads with lower transform cost.

The invention provides a multiple-parameter water quality monitoring node device based on WSN. The multiple-parameter water quality monitoring node device comprises a sensing unit, a core control unit and a power supply module, wherein the power supply module is used for supplying electricity; the sensing unit comprises a signal processing circuit and more than two water quality sensors which are connected with the signal processing circuit; the signal processing circuit comprises a square wave generation circuit, an I / V conversion circuit, a precise rectifying and filtering circuit, a PT100 signal processing circuit and / or a voltage enhancement amplification circuit; the sensors of the sensing unit are connected with the core control unit through the signal processing circuit; the core control unit is respectively connected with a GPA module and a ZigBee module bidirectionally; and the power supply module is connected with the sensing unit, the core control unit and the ZigBee module. The multiple-parameter water quality monitoring node device provided by the invention is simple in integral hardware circuit and low in cost and can be used for simultaneously monitoring multiple water quality parameters.

The invention discloses a lane line pressing detection method and system, and the method comprises the steps: obtaining a bird's-eye view road image corresponding to one wheel at a current moment; determining a wheel outer side edge tangent line of the wheel according to a setting parameter of a camera which is used for obtaining the bird's-eye view road image; carrying out the image processing ofthe bird's-eye view road image, and determining a lane edge line; judging whether the lane edge line is intersected with the wheel outer side edge tangent line or not: determining that the wheel presses the lane line if the lane edge line is intersected with the wheel outer side edge tangent line. Because the bird's-eye view road image of the wheel is captured by the camera fixed above the wheel,a tangential equation of the outer side of the wheel can be determined through simple calculation, thereby facilitating the recognition of a wheel pattern in the image, reducing the data processing burden of a processor, simplifying the data calculation process, and improving the data calculation efficiency.

The invention relates to a hydroelectric power generator temperature control system used for hydroelectric power generation. The system comprises a shell, a water turbine vertically arranged in the shell, a power generator and a connection shaft, and the power generator and the connection shaft are arranged below the shell. The water turbine is in transmission connection with the power generator through the connection shaft. A drive shaft is arranged below the water turbine. The drive shaft is provided with a plurality of horizontal blades and a plurality of steering shafts. The number of the blades is the same as that of the steering shafts. The blades are in one-to-one correspondence with the steering shafts. The steering shafts are evenly distributed along the outer circumference of the drive shaft. The blades are in transmission connection with the drive shaft through the steering shafts corresponding to the blades. The hydroelectric power generator temperature control system used for hydroelectric power generation is in real-time communication with a background so that work of the hydroelectric power generator can be monitored in real time by a worker; meanwhile, a temperature monitoring circuit is simplified; monitoring reliability of the circuit is further improved, and the work temperature of the power generator is precisely detected.

Disclosed in the invention is an equalizing charging system for a liquid state metal battery. With the system, passive equalization of the liquid state metal battery under high temperatures is realized. According to the system, a non-linear resistor that is made of a SiC or GaN material and is resistant to the high temperature of 600 DEG C is used for being connected with the battery in parallel; the resistance value of the non-linear resistor is the largest when the voltages at the two ends of the resistor are less than a certain value; and almost no current flows through the branch where the resistor is located. When the battery is almost charged fully, the voltage of the battery rises rapidly, the resistance value of the non-linear resistor is reduced quickly, and most of charging currents flow through the resistor branch, thereby preventing an overcharging phenomenon of the battery. An external battery monitoring unit uses a series battery group as a unit to monitor the voltage and charging capacity of the battery group in real time; when any one of the two parameters exceeds a rated value, the charging loop is cut off instantly. According to the invention, the structure is simple and reliability is high; and equalizing charging of the liquid state metal battery can be realized well.

The embodiment of the invention provides an urban inland inundation monitoring method and electronic equipment, and the method comprises the steps: carrying out pre-judgment of the water accumulationcondition of a target urban region based on the rainfall data of the target urban region, and obtaining the current monitoring image data in the target urban region if a pre-judgment result shows thatthe target urban region has the possibility of inland inundation; inputting the monitoring image data into a preset inland inundation monitoring model, and taking the output of the inland inundationmonitoring model as the inland inundation level of the target urban region; and determining whether to output inland inundation alarm information for the target urban region according to the inland inundation level. According to the invention, the accuracy of an urban inland inundation monitoring result can be effectively improved, and the monitoring efficiency and reliability of the urban inlandinundation monitoring process can be further improved.

The invention relates to a chronic disease health index intelligent monitoring system. The intelligent monitoring system comprises a primary monitoring shunting device, a secondary monitoring shunting device and a tertiary monitoring shunting device, wherein the primary monitoring shunting device, the secondary monitoring shunting device and the tertiary monitoring shunting device are all arranged on a main circuit and connected sequentially; the primary monitoring shunting device is used for intelligent monitoring of uncontrollable health indexes of health checkup / community basic health service / general hospital outpatient / inpatient population; the secondary monitoring shunting device is used for intelligent monitoring of controllable health indexes of the population mentioned above; the tertiary monitoring shunting device is used for intelligent monitoring of checkup health indexes of the population mentioned above, and classified and layered reports of chronic diseases are output. The system has the advantages of realizing the collection and monitoring of chronic disease health indexes of health checkup / community basic health service / general hospital outpatient / inpatient population, quickly and accurately classifying chronic the disease health indexes of all kinds of people, reducing the cost of manpower and improving the reliability of monitoring.

The invention discloses an atmospheric corrosivity on-line monitoring system and method. The system comprises a corrosion galvanic couple. The corrosion galvanic couple comprises an anode plate and a cathode plate arranged in parallel. The anode plate and the cathode plate are arranged in a conductive solution. The anode plate and the cathode plate are respectively connected to outgoing lines. The outgoing lines are connected to a zero resistance galvanometer. The zero resistance galvanometer transmits the measured corrosion current to an atmospheric corrosion monitoring server. The atmospheric corrosion monitoring server carries out analysis and processing through the received corrosion current value from the corrosion galvanic couple and acquires an atmospheric corrosivity level at any time point through comparison with a preset standard.

The invention discloses a wireless sensor network monitoring method and system based on compressed sensing. The method includes: defining the spatial correlation of deployed sensor nodes in a region to be monitored and obtaining a compressed sensing observation matrix of a wireless sensor network constituted by the sensor nods; and obtaining the theory monitoring data of the region to be monitored according to the actual monitoring data of the sensor nodes and the compressed sensing observation matrix. The wireless sensor network monitoring method and system based on the compressed sensing can reduce the deployment number and difficulty of the sensor network, effectively avoids datagram congestion and data loss of the wireless sensor network, and improves the monitoring accuracy and reliability of the wireless sensor network.

The invention discloses a satellite navigation system integrity monitoring method and system based on networked low earth orbit satellites. The method comprises the steps that each low earth orbit satellite receives a navigation signal of a navigation satellite system and ranging signals of the adjacent low earth orbit satellites, and a navigation message and a pseudo-range observed quantity are obtained; each low earth orbit satellite executes integrity monitoring by use of the obtained navigation message and pseudo-range observed quantity; each low earth orbit satellite receives integrity monitoring results of at least two adjacent low earth orbit satellites, so that at least three groups of integrity monitoring results are obtained, and whether a navigation satellite has a fault is comprehensively judged according to the integrity monitoring results; and each low earth orbit satellite broadcasts a judgment result to a ground user. The system comprises a navigation satellite navigation signal receiver, an adjacent low earth orbit satellite link transceiver, an integrity monitoring data acquisition device, an integrity monitoring separate processing device, an integrity monitoringjoint processing device and an integrity monitoring joint processing result transmitter. Through the satellite navigation system integrity monitoring method and system, the satellite fault can be effectively monitored, and the probability that the navigation result of the user is influenced by a fault signal is lowered.

The invention relates to method and system of acquiring a vehicle shooting and monitoring area. The method of acquiring a vehicle shooting and monitoring area includes the steps: acquiring an intrinsic parameter matrix of a camera, and a transition matrix and a translation matrix from a vehicle ground projection coordinate system to an image coordinate system; according to the vehicle data information and the preset time, performing vehicle track prediction to obtain the predicted driving distance; according to the predicted driving distance, determining the coordinate of the preset reference point of the vehicle in the vehicle ground projection coordinate system after the vehicle is driven for the preset driving distance; according to the coordinate of the preset reference point of the vehicle in the vehicle ground projection coordinate system, the intrinsic parameter matrix, the transition matrix and the translation matrix, determining the coordinate of the preset reference point in the image coordinate system; and according to the coordinate of the preset reference point in the image coordinate system, acquiring the vehicle shooting and monitoring area. The method and system of acquiring a vehicle shooting and monitoring area can realize accurate monitoring of vehicle driving only by acquiring the video data of the camera corresponding to the monitoring area, do not need compress the video data, and can improve the monitoring reliability while reducing the communication load.

The invention relates to a system for monitoring a set of components of a device such as an engine, comprising:means for detecting (2) comprising a set of agents for detecting anomalies (a1, . . . , ai, . . . , an), with each one of said agents being configured to receive measurements on physical parameters relating to a sub-set of components of a device such as an engine and to deliver an initial distribution of the probability of an anomaly,means for acquiring (3) configured to receive feedback information (17) as well as the initial distributions of the probability of an anomaly coming from said set of agents,means for emerging (5) configured to iteratively emerge current distributions of the probability of an anomaly in line with said feedback information, with said current distributions of the probability of an anomaly converging towards a set of optimum distributions of the probability of an anomaly in accordance with said feedback information, andmeans for synthesis (7) configured to synthesise optimum distributions of the probability of an anomaly relating to at least one sub-set of interest of components of a device such as an engine in order to extract the risks of an anomaly specific to said sub-set of interest.

When a surface of a filter member on a multilayer film is defined as a first surface, a surface of the filter member on an quartz substrate as a second surface, an inner wall surface of a slit which faces the first surface of the filter member as a first inner wall surface, and an inner wall surface of the slit which faces the second surface of the filter member as a second inner wall surface, one or more of the first inner wall surface and the second inner wall surface of the slit, and the second surface of the filter member do not lie parallel to the first surface of the filter member.

The invention relates to a granary grain quantity monitoring method and device based on a convolutional neural network. The method includes: acquring grain surface image, inputting the grain surface image into a built intra-warehouse image segmentation model based on a convolutional neural network; identifying the grain surface and a reference line, finally calculating the area between the grain surface and the reference line in the grain surface image, calculating an error with a preset area to obtain an error value, and judging that the grain quantity of the granary is changed if the error value is greater than a set error threshold value. The method is a monitoring method for automatically monitoring grain quantity change by utilizing an image processing technology. The method is high in monitoring precision and reliability, and can effectively promote the intelligent upgrading and reconstruction process of the grain depot. Besides, the method can be combined with a detection methodbased on infrared laser scanning, when grain surface changes are found, the infrared laser scanner can be used for scanning the whole granary, the accurate grain volume is obtained, and therefore theservice life of infrared laser is prolonged.