44results about How to "Ensure monitoring accuracy" patented technology

The invention relates to a high-accuracy website sensitive word detection method based on machine learning. The method comprises the following steps of performing rule matching on a to-be-detected file and the sensitive word database to obtain a document set containing sensitive words, processing and learning the training data to output a machine learning model, and then inputting the document setinto the model to obtain a website sensitive word detection result. Model training is carried out by combining a machine learning algorithm; sensitive word rule matching is firstly carried out on thecrawled website page, then machine learning automatic analysis is carried out on the output website after rule matching again, the data volume predicted by a machine learning model is reduced, the detection speed and accuracy are improved, and finally the possibility that the page contains sensitive words is obtained through statistical calculation. Due to machine learning, semantic analysis andcombined judgment with word segmentation meanings, the sensitive vocabulary recognition rate can be effectively improved, the monitoring accuracy can be ensured, and the labor cost of a supervision institution can be greatly reduced.

The invention discloses a lightning arrester online monitoring device and method. The device comprises a voltage-limiting sampling unit, an energy storage unit, a leakage current sampling, an over-voltage monitoring unit, a core processing module and a wireless transceiving module; the energy storage unit can collect and store the leakage current input by the voltage-limiting sampling unit when the lightning arrester is in normal work, thereby supplying power for the leakage current sampling unit, the over-voltage monitoring unit, the wireless transceiving module and the core processing modulewithout using the external power supply and laying a communication cable; the cost is saved under the condition of guaranteeing the monitoring accuracy and precision, and the power consumption is reduced; the communication function can be accomplished without being limited by the external condition; secondly, an aerial wakeup mode is improved by adding a query period field of a sender in a lead code and the inserted address information and channel information, and the power consumption of the lightning arrester monitoring device is further reduced.

The invention discloses a mobile black broadcast monitoring system and a monitoring method thereof. The monitoring system comprises a mobile monitoring terminal, a voice recognition server interactingwith the mobile monitoring terminal, and a manual monitoring and checking terminal. The mobile monitoring terminal is mainly composed of a digital receiver, an antenna connected with the digital receiver, and a monitoring device connected with the digital receiver. Before manual monitoring, the voice recognition technology is adopted to screen the audios containing the black broadcast keywords, so that the workload of manual monitoring is greatly reduced while the monitoring accuracy is guaranteed. The mobile black broadcast monitoring system has the great popularization value.

The invention discloses a power transmission line galloping information reconstruction method based on compressed sensing, which comprises the following steps: firstly, constructing a measurement matrix, arranging nodes of a power transmission line and sensor sampling data selected by the nodes in the construction process, and then carrying out sparse change on an original signal by selecting a discrete Fourier transform basis to obtain a reconstructed signal; and acquiring an observation value through a measurement matrix, and recovering the process of an original signal through an optimization problem. According to the method, the galloping information can be recovered through the information sensing nodes in limited lines, so that the interference of excessive arrangement of the sensing nodes on the galloping information is reduced.

The invention belongs to the field of environment monitoring, and particularly relates to a hydraulic ring geological environment monitoring equipment mounting structure which comprises a placement device, a protection device is arranged at the top of the placement device, the top of the placement device is fixedly connected with the bottom of the protection device, and a shielding device is arranged at the top of the protection device. The top of the protection device is fixedly connected with the bottom of the shielding device, gravity devices are uniformly arranged at the bottom of the placement device, the bottom of the placement device is fixedly connected with the tops of the gravity devices, a filter plate is arranged on the outer surface of the placement device, and the inner wall of the filter plate is fixedly connected with the outer surface of the placement device. The shielding device comprises a shielding plate, and a positioning ring is arranged at the bottom of the shielding plate, aiming at the defects in the prior art, the invention provides the equipment mounting structure for hydraulic environment geological environment monitoring, and the problems that a traditional mounting structure is poor in sealing performance and difficult to find during use are solved.

The invention discloses a full-spectrum water quality online monitoring device. The device comprises a monitoring control host and a sensing probe electrically connected with the monitoring control host, the monitoring control host comprises a data display unit, a data output unit, a control unit, a data processing unit, a light source unit, a standard-added calibration unit and an analysis unit,the sensing probe comprises a probe body, an analysis chamber and a reflection unit, a beam splitter is arranged in the probe body, a transition position of the probe body and the analysis chamber isprovided with a plurality of photoscopes, a transition position of the analysis chamber and the reflection unit is provided with a plurality of arc reflectors, and a temperature sensor is arranged inthe analysis chamber. According to the device, a light source is externally arranged in the monitoring control host, a deuterium lamp is adopted, ultraviolet, visible and near-infrared broadband spectrums are generated, capacity control of the light source can be performed, and high-precision monitoring and analysis of multiple monitoring objects can be realized; and the arc reflectors are adoptedso that multiple times of reflection absorption of the spectrum in the analysis chamber can be realized, the absorption optical path is increased, and the analysis resolution of the device is improved.

The invention provides a construction method of a monitoring system based on a T-CPS system. The construction method comprises the following steps: dividing an urban traffic system into a plurality of regional systems; connecting the regional systems according to the road connection number and the correlation between the regional systems so as to establish a global T-CPS system; setting a corresponding monitoring strategy according to the traffic congestion degree in each regional system in the T-CPS system and/or the preset state level of the static traffic system structure; and parameterizing a monitoring result corresponding to the monitoring strategy. According to the invention, on the premise that the number of traffic monitoring facilities in each regional system is kept unchanged, the utilization rate of the traffic monitoring facilities in the whole monitoring system is effectively improved, and the urban traffic operation level is further improved.

The invention discloses a single-layer steel wire rope reel with a rope disorder prevention judgment device. The reel comprises a roller, a steel wire rope, bearing seats, a limit switch mounting rod and a rocker arm type limit switch; the roller is of a cylindrical roller structure, the steel wire rope is tightly wound on the circumferential face of the roller, the roller is arranged between the two bearing seats, the two ends of the roller are rotationally matched with the bearing seats on the corresponding sides respectively, one bearing seat is fixedly connected with the other bearing seat through the limiting switch mounting rod, a plurality of rocker arm type limiting switches are arranged in the middle of the limiting switch mounting rod and used for detecting the position of a steel wire rope wound around the roller. According to the design, the arrangement continuity of the steel wire rope can be monitored through the continuity of signals sent by the rocker arm type limiting switches, the situation that a driver manually monitors the arrangement of the steel wire rope while operating a crane is avoided, the system safety is improved, steel wire ropes with different diameters can be adapted, and the adaptation range of the system is effectively widened.

The invention discloses an underground engineering and deep foundation pit safety monitoring and early warning system. Instruments and equipment in a data monitoring system are directly installed at asite to be monitored generally, when the instruments and equipment are failed in the process of use, if the maintenance is not performed timely, the normal use of a detecting and early warning systemis affected, and the above problem is solved by the system. The system comprises a data monitoring module and an abnormality monitoring module, a power supply end and an output end of the data monitoring module are connected to an input end of the abnormality monitoring module, an output end of the abnormality monitoring module is connected to an alarm module to achieve the purpose of timely finding the failure of the detecting and early warning system for maintenance.

The invention discloses self-locking large and small flow intelligent detection control equipment. An outer impeller is arranged in a mounting cavity; a bush shaft is arranged at the center of the outer impeller; an inner impeller is arranged in the bush shaft; a rotating shaft is arranged at the center of the inner impeller; the top end of the rotating shaft is connected to a first transmission shaft through a spline structure; a water plugging cover is arranged at the lower end of the rotating shaft; a fine shaft is arranged at the lower end of the water plugging cover; the lower end of thefine shaft is connected in a lifting barrel in a sleeved manner; a water plugging ring is arranged in the bottom of the outer impeller; a bottom gear ring is arranged on the upper end surface of the water plugging ring; the lifting barrel is arranged in the fixed barrel; a slot is formed in the outer wall of the fixed barrel; a lifting cover is connected to the lower end of the fixed barrel in a sleeving manner; a jacking shaft is arranged at the center of the lifting cover; the jacking shaft is connected in the lifting barrel in a sleeved manner; a locking spring is arranged at the lower endof the jacking shaft; a magnetic conductive plate is arranged at the lower end of the lifting cover; and an electromagnet is arranged in the bottom of a mounting cavity. The self-locking large and small flow intelligent detection control equipment disclosed by the invention not only can monitor water flows of different sizes, but also can lock open and close of a water path, and is high in detection precision and stable and reliable to operate.

The invention belongs to the field of radiation quantity monitoring equipment, particularly relates to plastic scintillator radiation quantity monitoring equipment based on wireless communication, and aims to solve the problems that the existing plastic scintillator radiation quantity monitoring equipment is low in assembly performance, inconvenient to adjust the use size of the monitoring equipment, relatively fixed in structure, inconvenient to automatically clean the surface of a monitored body and poor in reliability. In order to solve the problem that the monitoring stability and accuracy cannot be guaranteed, the invention provides the following scheme that the device comprises a monitoring control base, a plurality of plastic scintillators, two protective side plates, a cleaning assembly and a plurality of mounting assemblies, and a circuit board and a wireless communicator are fixedly mounted on the monitoring control base; and the plurality of plastic scintillators are arranged on the monitoring control base. The plastic scintillator radiation quantity monitoring equipment is high in assembling performance, the use size of the monitoring equipment is convenient to adjust, the structure is flexible, the surface of a monitored body can be automatically cleaned conveniently, and the monitoring stability and accuracy can be guaranteed.

The invention belongs to the technical field of tunnel monitoring, and particularly relates to a tunnel convergence deformation on-line monitoring system and method. The method comprises the steps of: a data collection step: collecting construction data and geographic data of a tunnel; a point location analysis step: analyzing the construction data to obtain a scanning point location, and analyzing the construction data and geographic data to obtain a special monitoring point location; a monitoring installation step: installing a scanning device at the scanning point location, and installing a monitoring sensor at the special monitoring point location; a strain analysis step: performing overall convergence analysis according to scanning data of the scanning device, and performing special convergence analysis of the special point location according to feedback data of the monitoring sensor; and extracting a convergence analysis result of the special monitoring point location in the overall convergence analysis, comparing the convergence analysis result with the corresponding special convergence analysis, and if the comparison result exceeds a preset value, sending out an abnormality prompt. The monitoring convenience can be improved on the basis of controlling the cost.

The invention discloses an assembly type steel support axial force monitoring assembly. The assembly type steel support axial force monitoring assembly comprises a fixed part, a monitoring element and a movable part, wherein the fixed part is fixed at the end part of a steel support and provided with a central sleeve extending outwards along the axial direction of the steel support; the monitoring element is placed in the central sleeve; and the movable part is provided with a jacking pipe which is matched with the interior of the central sleeve and is provided with a sealed end part, and the jacking pipe is inserted into the central sleeve. According to the assembly type steel support axial force monitoring assembly, the monitoring element is arranged in the central sleeve of the fixed part, and the jacking pipe of the movable part is inserted into the central sleeve; the fixed part compresses the movable part under the action of the axial force of the steel support, meanwhile, the jacking pipe compresses the monitoring element under the action of the counter-acting force, real-time monitoring of the axial force of the steel support is achieved, the monitoring element is arranged inside, installation is stable, the monitoring element is not affected by the external environment, and monitoring data are accurate; the whole structure is convenient to disassemble and assemble and can be repeatedly used; and the steel support and a steel enclosing purlin are in matched contact through the center sleeve and the jacking pipe, and the steel support is not prone to falling off.

The invention provides a fixing device of a newborn percutaneous finger pulse oxygen monitoring probe. A circular ring is fixedly connected to the outer surface of the upper end of a rectangular net-shaped belt, and a clamping mechanism is in threaded connection with the interior of the circular ring; and the clamping mechanism is composed of a disc and semicircular plates, the number of the semicircular plates is two, the two semicircular plates are symmetrical front and back, hinges are movably connected between the positions, close to the middle, of the outer surfaces of the front ends of the semicircular plates and the disc, semicircular grooves are formed in the positions, close to the two ends, of the outer surfaces of the rear ends of the semicircular plates, and arc-shaped long grooves are formed in the positions, close to the position between the two semicircular grooves, of the outer surfaces of the rear ends of the semicircular plates. According to the device, the probe canbe conveniently and completely attached to the skin of a newborn, falling off is avoided, monitoring accuracy is ensured, medical errors and medical accidents are avoided, medical safety quality is improved, and stress points can be dispersed on the surface skin of the newborn by the net-shaped structure and are not excessively concentrated, so that the newborn is prevented from being bruised.

The invention discloses a water and soil conservation monitoring device with a good stabilization effect. The device comprises a mounting base, a data line and a base, wherein the data line is arranged on the lower side of the mounting base, the base is arranged at the end, far away from the mounting base, of the data line, and a circular pipe is arranged on the upper side of the mounting base. The water and soil conservation monitoring device has the beneficial effects that through a No.1 anemometer, a No.2 anemometer, a No.3 anemometer and a No.4 anemometer which are arranged, the monitoringdevice can monitor the wind speeds at different heights on the ground, so that the monitoring accuracy of the wind speed data is ensured, by arranging a solar radiation sensor, the radiation quantityof solar energy is monitored, thus the device can calculate the influence of the radiation of the solar energy on water and soil loss, through an angle rotating motor and an electric push rod which are arranged, a solar panel of the monitoring device can be automatically adjusted along with the irradiation angle of the sun during photoelectric conversion, and thus the photoelectric conversion efficiency is guaranteed.

The invention provides a high-efficiency collecting device for petrochemical pollutants discharged into sea. The device comprises a water sample collecting device, a purging device, a concentrating device, a lighting module, a GPS module, a controller and a memory. According to the high-efficiency collecting device for the petrochemical pollutants discharged into sea, water samples are regularly monitored and collected from setpoints of monitoring area of water sources, petrochemical pollutants are effectively extracted from water samples, safety factor and precision factor are high, pollutionsources and pollution status can be discovered timely, and early warning of pollution is achieved.

The invention discloses a warehouse intelligent supervision system based on Internet of Things data management, which comprises a plurality of monitoring assemblies, a warehouse management real-time supervision center module, a cloud data memory module, a warehouse center prompt module and a blacklist recording module, and is characterized in that the periphery of a warehouse center is provided with a plurality of monitoring assemblies; and the data received by the warehouse management real-time supervision center module is transmitted to the warehouse management conversion program module through the wireless area network, so that the real-time supervision work of the user is met. According to the intelligent warehousing supervision system based on Internet of Things data management, recognized crowd behavior characteristics are accurately recognized through a data conversion matching program module, and corresponding actions of fixed personnel are accurately analyzed in combination with a behavior characteristic analysis module and a face recognition module; and re-analysis is carried out through the abnormal data secondary identification module and the basic data secondary identification module, so that when an abnormal state occurs, the storage center end is notified to carry out warning and reminding in time.