51results about How to "Improve surveillance capabilities" patented technology

The invention discloses an autonomous orbit control method for a low-orbit remote sensing satellite. The autonomous orbit control method comprises the following steps that firstly, the deviation between a current orbit semi-major axis and a nominal orbit semi-major axis is calculated on orbit in real time; secondly, the length of working time of an orbit-control engine is acquired according to orbit-control impulse, an apogee position is acquired through orbit extrapolation calculation autonomously, the time that the satellite arrives at the apogee position is taken as an orbit-control center moment, and the moment that the engine begins to ignite and the moment of brennschluss are acquired according to the length of working time of the orbit-control engine and the orbit-control center moment; and thirdly, the orbit-control engine is controlled to ignite autonomously according to the moment that the engine begins to ignite in the second step, then the orbit-control engine is controlled to conduct brennschluss autonomously according to the brennschluss moment in the second step, and finally the low-orbit remote sensing satellite completes state recovery. According to the autonomous orbit control method for the low-orbit remote sensing satellite, on-orbit autonomous compensation of the orbit semi-major axis error can be achieved on the condition without ground station support, the ground operation control cost of the satellite is lowered, and abilities of autonomous management and autonomous operating of the satellite are promoted.

Embodiments described herein relates to a platform for infection surveillance that can assist infection preventionists and antimicrobial stewardship teams with infection detection rules and dynamic alerts by aggregating and processing infection surveillance data with contextual healthcare data regarding a facility, organization, and so on. The platform can enable proactive prevention of infection risks by detecting risk patterns in the data and generating alerts.

A scalable architecture for providing real-time multi-camera distributed video processing and visualization. An exemplary system comprises at least one video capture and storage system for capturing and storing a plurality of input videos, at least one vision based alarm system for detecting and reporting alarm situations or events, and at least one video rendering system (e.g., a video flashlight system) for displaying an alarm situation in a context that speeds up comprehension and response. One advantage of the present architecture is that these systems are all scalable, such that additional sensors (e.g., cameras, motion sensors, infrared sensors, chemical sensors, biological sensors, temperature sensors and like) can be added in large numbers without overwhelming the ability of security forces to comprehend the alarm situation.

The invention relates to a method for monitoring a pet through a robot based on a raster map, and a chip. The method comprises the following steps: performing wireless communication with the robot through a wireless signal device on a pet body to determine a mutual location relation between the pet and the robot, and then judging whether an obstacle unit is existent between the raster units located by the robot and the pet in the raster map; if the obstacle unit is inexistent, indicating that the pet can be effectively shot at the current location and the shooting direction of the robot without changing the current location and the shooting direction of the robot; if the obstacle unit is existent, indicating that the robot possibly shoots the obstacle when shooting at the current location,and cannot shoot the pet, therefore, the robot needs to reselect the monitoring location point by judging the state of the raster units around the pet. Through the way of monitoring the pet by combining the raster map, the robot can be controlled to find good monitoring location, thereby avoiding the problem that the monitoring effect is influenced since the robot is easy to be shielded by the obstacle, and the effect of monitoring the pet is improved.

A camera apparatus includes: a cover that has transparency; a rotatable camera unit that is provided inside the cover; a shade plate portion that includes a shade plate capable of partially shading light incident on the camera unit, wherein a position of the shade plate is rotatable; a control unit that is configured to control rotation of the camera unit and the position of the shade plate; and a memory that stores posture information including an imaging direction of the camera unit and positional information on the shade plate in association with each other. The control unit controls a direction of the camera unit based on the posture information stored in the memory and controls the position of the shade plate based on the positional information on the shade plate stored in the memory.

The invention discloses a fire-fighting command and control system which comprises an operation monitoring module, a fire-fighting control module and a maintenance management module. The operation monitoring module is used for acquiring operation monitoring information; the fire-fighting control module is connected with the operation monitoring module and generates corresponding control information based on the obtained operation monitoring information; and the maintenance management module is connected with the operation monitoring module and the fire-fighting control module and is used for data storage and management. The system is suitable for an unattended station, and meets the requirements of an unattended station for achieving the functions of risk online evaluation, real-time firedetection and automatic fire extinguishment.

The invention discloses a map-based ground taxing guidance system. The system comprises an airport database module used for storing terrain conditions of an airport and spatial layout information of all components of the airport, an aircraft position acquisition module used for acquiring position information of an aircraft and other aircrafts on the airport, a taxing instruction receiving module used for receiving a taxing instruction issued by the airport, an airport dynamic map generating module used for dynamically generating a real-time map of the airport according to the information of the airport database module and the aircraft position acquisition module and generating a predicted taxing path on the real-time map of the airport according to the taxing instruction received by the taxing instruction receiving module, and a display module used for displaying the real-time map of the airport and the predicted taxing path formed by the airport dynamic map generating module.

The invention discloses an MIMO (Multiple-Input Multiple-Output) radar preference optimization netting method in a multi-surveillance area. Firstly, a surveillance area and a netting area are determined, an objective function is determined, and a reference point is set according to preference information; then, with the reference point as the guide, a particle swarm optimization algorithm based on preference is used for reasonably optimizing an antenna netting position; and finally, from outputted netting schemes, a netting method closest to the reference point is selected for reasonable radar netting. The surveillance performance of a preference surveillance area can be enhanced, and more radar optimization netting methods can be acquired.

The invention relates to a method for videoing or searching video of a digital video recorder. On the digital video recorder (DVR)connected with a plurality of monitoring-use cameras, a plurality of monitoring-use cameras with coherence are divided into a Linked Camera Group and at the same time monitoring videos photographed by any monitoring-use cameras are recorded; or under a condition that the recorded monitoring video is searched, the monitoring video photographed by a plurality of the monitoring-use cameras is recorded according to the group of the monitoring-use cameras or the recorded monitoring video is searched, thus effectively recording and searching a plurality of monitoring videos required by the user which have the coherence with the monitoring-use cameras simultaneously; therefore, the method for videoing or searching the video of the digital video recorder can improve convenience for the user and monitoring performance.

The invention relates to a marine target association system and method based on high-low orbit optical satellite observation. The marine target association system comprises a target detection and tracking module, a target detection and motion feature extraction module and a target multi-level multi-feature association module. The target detecting and tracking module is used for detecting and tracking a marine target by utilizing the high-orbit optical satellite image sequence to obtain motion trail information of the marine target. The target detection and motion feature extraction module is used for performing marine target detection and motion feature extraction by utilizing the low-orbit image to obtain the position and heading information of the target. The target multi-level and multi-feature association module is used for carrying out marine target multi-level and multi-feature association based on the motion trail information obtained by the target detection and tracking moduleand the position and heading information obtained by the target detection and motion feature extraction module. According to the method, the monitoring capability of the marine target can be remarkably improved, and meanwhile, the method has very high target association accuracy under a complex observation background and is easy to implement.

A dragging cable for an underground digger comprises a cable core, an inner sheath 9, an anti-torsion woven layer 10 and an outer sheath 11. The cable core is formed by twisting three power wire cores, three ground wire cores and a Y-shaped filling core. The lay ratio of the cable core is 8 to 11 times. The cable core is sequentially coated with the inner sheath 9, the anti-torsion woven layer 10 and the outer sheath 11 from inside to outside. The Y-shaped filling core is formed by a center monitoring wire core and a Y-shaped support 12. The center monitoring wire core is formed by a conductor B5 and an insulation layer B6. The center of the Y-shaped support 12 is provided with a through hole 12-1 for containing the center monitoring wire core and the Y-shaped support 12 is provided with three equally-divided vertex angles 12-2. The dragging cable can completely meet the requirement for use in various weather conditions, conductive performance and flexibility are good, the winding radius is small, electromagnetic immunity is high, the tensile strength of the wire cores is effectively improved, bending performance, monitoring performance and the stability of the cable structure are obviously enhanced, and service life is greatly prolonged.

The invention is applicable to the technical field of large area fire prevention monitoring, and discloses a forest fire prevention monitoring system. The system comprises at least one front-end videoacquisition system, a wireless transmission system, a cloud server, and a power supply system, wherein the power supply system provides power for the wireless transmission system and the front-end video acquisition systems, the video images collected by each front-end video acquisition system are transmitted to the cloud server in real time through the wireless transmission system, a router, anda public network. When in surveillance, video images in the monitoring field are collected in real time by the front-end video acquisition systems and forwarded by the wireless transmission system tothe cloud server for processing. The forest fire prevention monitoring system has the advantages that the multiple front-end video acquisition systems have a wide monitoring range and can concentrateall the videos in the monitored area, the client-side can be a mobile phone application or a web client-side which allows a user to check the information in real time, inquire the historical data, push an alarm, record and analyze the fire behavior and the like, thereby improving the effectiveness and efficiency of monitoring.

The invention provides a report system based on a dispatching prefecture and county integrated control system. The report system comprises a report demand module; a report data acquisition module; a report generation module which intelligently monitors a report generation sub-module, a power grid event report generation sub-module and an intelligent analysis report generation sub-module. The invention also provides an intelligent report generation method based on the dispatching prefecture and county integrated control system, and the method comprises the following steps: S1, generating a power grid information monitoring report through the intelligent monitoring report generation submodule; S2, generating an intelligent reminding report by utilizing an intelligent monitoring report generation sub-module; S3, generating an equipment fault push report by utilizing the power grid event report generation sub-module; S4, generating a defect analysis report by utilizing the power grid eventreport generation sub-module; and S5, enabling an intelligent analysis report generation sub-module to generate an automatic statistical report. According to the invention, the power grid event analysis and disposal efficiency is improved, and the working pressure of regulation personnel is reduced.

There is provided a monitoring system capable of flexibly coping with a change of system configuration and having a high monitoring capability. The monitoring system includes a plurality of camera terminals (01, 01b) connected by a communication medium (02). The plurality of camera terminals include: an imaging element (04) for imaging an imaging region included in a monitoring range and having means for modifying the imaging region; a communication unit (03) for transmitting imaging characteristic information as information specifying an imaging region, via a communication medium (02) to another camera terminal and receiving imaging characteristic information from the another terminal; and an imaging characteristic modification unit (05) for modifying the imaging region by controlling the imaging element (04) of the camera terminal so that the imaging region of the camera terminal and the imaging region of the another camera terminal are in a predetermined relationship according to the imaging characteristic information from the camera terminal and the imaging characteristic information from the another camera terminal received by the communication unit (03).

The invention provides a 2SPS+RRPRR robot grabbing mechanism used for plate splicing. The 2SPS+RRPRR robot grabbing mechanism comprises an upper platform, a lower platform and three branched chains, wherein a first branched chain and a second branched chain of the three branched chains are of 2SPS forms; the third branched chain is of a RRPRR form, and namely consists of a first rotary pair, a second rotary pair, a second translation pair, a fourth translation pair and a fifth rotary pair which are sequentially connected; the upper platform and the lower platform are separately positioned at the two ends of the first branched chain and the second branched chain; series-connection mechanical arms which are rotatably connected are separately arranged on the upper platform and the lower platform; and tail end tools for picking plates are separately arranged on the upper rotary pair, the lower rotary pair as well as the tail ends of the series-connection mechanical arms. The RRPRR branched chains are arranged, so that envelope of the mechanism body is reduced, and implementation of space operation is facilitated better. The series-connection mechanical arms are additionally arranged, so that the working space of the mechanism is expanded, and operating and monitoring capability of the mechanism is strengthened.

The invention discloses a radar velocity and distance measuring method based on trapezoidal continuous waves, which is used for measuring the velocity and distance of multiple targets relative to theradar. The radar velocity and distance measuring method comprises the steps that the radar transmits trapezoidal continuous wave signals, wherein the trapezoidal continuous wave comprises a positive linear frequency modulation band waveform, a point band waveform and a negative linear frequency modulation band waveform; an actual velocity value set of all targets to be measured is determined afterradar echo demodulation; a possible velocity value of each target to be measured is determined; and the possible velocity value of each target to be measured is matched with the actual velocity valueset of all targets to be measured to obtain the actual velocity of each target to be measured, and the actual distance of each target to be measured is further obtained. The radar velocity and distance measuring method based on the trapezoidal continuous waves can effectively realize velocity and distance measurement of the radar for dense multiple targets, and thus the monitoring performance ofthe radar for dense multiple targets is greatly improved.

An intelligent closestool testing production line comprises an on-line and off-line module used for carrying and taking intelligent closestools, transverse movement transition modules used for transferring the intelligent closestools, and a testing module used for detecting ageing of the intelligent closestools, wherein the head end and the tail end of the on-line and off-line module correspond to the head end and the tail end of the testing module respectively, and the on-line and off-line module is connected with the testing module through the transverse movement transition modules to form a closes loop; after the intelligent closestools to be tested are placed on the operation line of the on-line and off-line module and on-line operation is completed, the intelligent closestools to be tested are conveyed by the on-line and off-line module and enter the testing module to be tested through one transverse movement transition module, and the tested intelligent closestools return to the operation line of the on-line and off-line module through the other transverse movement transition module so that off-line operation can be performed. Through the intelligent closestool testing production line, production efficiency is improved, labor intensity of workers is reduced, and the workshop space is reasonably utilized due to the annular arrangement.

The invention discloses a height-adjustable inspection robot which comprises a robot body. A first hinge rod and a second hinge rod are hinged to the upper side of the robot body. A bracket is arranged on the upper side of the robot body. A monitor camera is hinged and connected to the upper side of the bracket. The upper end of the first hinge rod and the upper end of the second hinge rod are hinged to the bottom of the bracket. A slide groove is formed in the robot body. A slider is arranged in the slide groove. A sealing plate is arranged at one end of the slide groove. A driving motor is fixedly connected with the sealing plate. A lead screw is connected with an output shaft of the riving motor. The lead screw extends into the slide groove. The slider penetrates through and sleeves thelead screw and is driven by the rotating lead screw to move. A third hinge rod is hinged to the slider. The other end of the third hinge rod is hinged to the middle of the second hinge rod. The monitoring effect is improved, the structural height is convenient to adjust, the structure is stable, and the camera can be prevented from shaking.

The invention discloses a cable for seabed wind power generation. The cable for the seabed wind power generation comprises a cable core formed by twisting multiple insulated wire cores, padding layers are arranged in the clearances of the cable core, a foaming lining layer is arranged outside the cable core, the foaming lining layer is wrapped with a waterproof tape in a winding mode, high-intensity aramid yarns are woven outside the waterproof tape, a metal armoring layer is extruded outside the high-intensity aramid yarns, and an outer sheath is extruded on the outermost layer of the cable core. A monitoring wire core is arranged in the center when the insulated wire cores are twisted, and monitoring wire cores extruded together in pairs are arranged in the clearances of the cable core to form an 8 shape. The cable for the seabed wind power generation has a floating function, high tensile strength and monitoring capacity, and also has good shielding performance and anti-interference performance, the service life is prolonged, and due to the fact that the monitoring cores are arranged inside, the cable for the seabed wind power generation has quite high safety performance.

The invention relates to a solar energy wireless infrared alarming system. The system comprises an alarming host, a solar energy receiving conversion device, a solar energy accumulator, a light projector and a light receiver, wherein the solar receiving conversion device and the solar energy accumulator are connected with each other and connected to the light projector and the light receiver so as to supply electricity for the light projector and the light receiver respectively; an infrared net arming area is formed between the light projector and the light receiver through an infrared light beam; and the light receiver is connected with the alarming host by a wireless communication mode. The solar energy wireless infrared alarming system has a reasonable design, and can effectively prevent illegal people from entering the arming area through a fence by establishing the infrared net arming area of infrared beam parallel bijection or infrared beam crossing bijection between the light projector and the light receiver, so the capability of safety prevention is improved, the requirement of the alarming system on the surrounding environment is reduced, normal work in a severe environment is ensured, few arming equipment is required, the engineering quantity and cable cost are greatly reduced, and the system has great convenience in assembly and maintenance.

The invention discloses a self-adaptive-termination MIMO (Multi-Input Multi-Output) radar optimization netting method in a multi-surveillance area, and belongs to the technical field of multi-input multi-output radar netting. The method includes the following steps: S1, adopting a PSO algorithm to initialize a particle swarm, and constructing an external archive set storing non-domination particles; S2, determining a global optimal particle, updating the particle swarm, and acquiring non-domination particle swarms; S3, calculating separation distances between adjacent generations, and judging whether iterative optimization is terminated according to an iterative termination criterion; and S4, acquiring the non-domination particle swarm, and selecting a netting scheme. According to the method, an iterative calculation process can be terminated in a self-adaptive manner while an optimal optimization effect is obtained on the premise of improving surveillance performance of the multi-surveillance area, waste of time and calculation resources can be effectively reduced, and a radar optimization netting result can be quickly obtained.

The invention discloses an unmanned aerial vehicle counter security device. The unmanned aerial vehicle counter security device comprises a supporting base and a driving box. First supporting feet arewelded to the bottom of the supporting base, a driving box is fixedly mounted on the top of the supporting base, a lifting air cylinder is arranged in the driving box, the output end of the lifting air cylinder is fixedly connected with one end of a piston rod, the other end of the piston rod is fixedly connected with the bottom of the first supporting plate, the top of the first supporting plateis fixedly provided with a control box, the device is reasonable in structural design, through an auxiliary lighting box, a first electric telescopic rod is fixedly connected to the side wall in theauxiliary lighting box, the first electric telescopic rod enables an LED lamp to extend out of the auxiliary lighting lamp, a second electric telescopic rod adjusts the height of the LED lamp, at night, the auxiliary lighting effect is added, the night monitoring effect of a high-definition camera can be improved, and practicability can be improved.

The invention relates to a backup power supply system for a variable pitch system of a large fan. The system adopts five-series and three-parallel super capacitor modules, each module is formed by connecting 36 single bodies in series, the backup power supply system is provided with a main control module, and a charging module, a fault early warning module and a capacitance test module which are respectively connected with the main control module, the charging module adopts a charger charging loop, charging is carried out in a fast-to-slow and finally constant-voltage mode, the fault early warning module carries out overvoltage detection on each single body, and the capacitance testing module is connected with a variable-pitch controller, a variable-pitch driver and a main power supply contactor and carries out capacitance failure judgment calculation on the capacity of a backup power supply. Compared with like systems in the prior art, the system of the invention has the advantages of improving the utilization rate of the fan, reducing the maintenance cost and time, improving the capacity monitoring capability of the back-up power supply of the variable pitch system, improving the safety of the wind turbine generator and the like.

The method includes: when an adjustment whose tilt angle is over 90 degree is made for a video cameral monitor sitting on a cradle, the video camera monitor is in a bottom up position; in this occasion, the invention can turns over the captured video image; even though the shooting object makes backward movement for the video camera in a rang exceeding 90 degree, the can also trace the shooting object in a certain tilt angle, and turns over the captured video image to be outputted.

The invention relates to a network system framework of a low altitude target detection sensor, which comprises a double-layer strip sensor network and a backbone transmission layer network. The outer layer of the double-layer strip sensor network is a network formed by voice sensing nodes which conducts multi-node data fusion and dispersed cooperative data processing to the sensed voice data and guides optical sensing nodes at the inner layer to precisely position and trace a target according to a processing result. The inner layer of the double-layer strip sensor network is a wireless network which can communicate with the voice sensing nodes of the outer layer; the wireless network is formed by the optical sensing nodes; and when the signals of the voice sensing nodes of the outer layer are received, the optical sensing nodes of the inner layer are started and collects the optical information of the target. The backbone transmission layer network is a network used to connect the optical sensing nodes of the inner layer of the double-layer strip sensor network with a command center. The network system framework of the low altitude target detection sensor can make up the disadvantages of a monitoring system which takes radar as a main part in the prior art.

The invention discloses a large blast furnace power supply system guarantee monitoring device and a use method thereof, and relates to the technical field of large blast furnace machining monitoring equipment. The large blast furnace power supply system guarantee monitoring device comprises a first supporting column, a base is installed at the bottom of the first supporting column, a damping assembly is installed in the base, a second supporting column is installed at the top of the first supporting column, the interior of the second supporting column is fixedly connected with a fixing box, and the interior of the fixing box is provided with an angle adjusting assembly. The monitoring device has the beneficial effects that the damping assembly is arranged, the overall stability is guaranteed, the monitoring effect is improved, a cleaning and demisting assembly is arranged, demisting and cleaning operation is achieved, the monitoring efficiency is improved, meanwhile, the labor intensity of workers is reduced, an angle adjusting assembly is arranged, individual requirements are met, the monitoring range and efficiency are improved, an electric telescopic rod, an electric power storage box, a fixing rod and a solar panel are arranged, recycling of electric power resources is achieved, and the cost is reduced.

A surveillance system comprising a housing dimensioned to enclose a plurality of cameras and one or more viewing windows to allow light to pass through the housing. A wife transmitting module sends and receives wireless data via an antenna and a mounting rail is attached to the housing to mount the housing to a firearm.