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55results about How to "Expand the scope of surveillance" patented technology

Multi-dimensional mechanic operating collision avoidance method suitable for airborne collision avoidance system

A multi-dimensional mechanic operating collision avoidance method suitable for an airborne collision avoidance system belongs to the field of air traffic safety technology, and comprises the following steps: monitoring and tracking a native and a target airplane; adopting a protection area model based on a surrounding body to conduct flight conflict detection; adopting a real-time collision detection method to conduct collision threat detection; using a four-dimensional space-time mechanic operating collision avoidance model to calculate and evaluate the manner and the strength of a release advise RA; conducting coordination and decision-making of the release advise RA; displaying and publishing a traffic advise TA and the release advise RA; conducting omnidistance monitoring for collision release effect after adopting a mechanic operating collision avoidance measure of the native; relieving the traffic advise TA and the release advise RA. The method improves the limitation of only being able to provide two release advises of climbing/descending vertically of a conventional airborne collision avoidance system, so as to allow the airborne collision avoidance system to be able to provide six release advises (climbing/descending vertically, speeding up/speeding down horizontally, or turning left/turning right), and has the advantages of more flexible and effective.
Owner:SOUTHWEST UNIVERSITY FOR NATIONALITIES

Ultra-large-scale UAV cluster control system and method for imitating pigeon intelligent behaviors

The invention relates to an ultra-large-scale UAV cluster control system and an ultra-large-scale UAV cluster control method for imitating pigeon intelligent behaviors. The ultra-large-scale UAV cluster control system comprises a flight control board, a data communication and processing module and a receiver which are arranged on each UAV. The ultra-large-scale UAV cluster control method comprisesthe steps that: 1, a ground station gives a formation instruction, a target position and formation parameters; 2, each UAV releases its own position information; 3, a pigeon flock hierarchical typology structure and a single pigeon dynamics model is are established, and a controlled superior set Ni of wing planes; 4, a pigeon flock hierarchical mechanism is established, and awing plane ideal control quantity at the next moment is obtained according to controlled superior position information; 5, modeling on the UAVs is carried out, and wing plane autopilot control input is solved; 6, and thestep 2 is returned to until the task is terminated. The ultra-large-scale UAV cluster control system and the ultra-large-scale UAV cluster control method perform information interactive planning and design on the plurality of UAVs, thus enhance the monitoring range, angle, working efficiency and interference resistance required by the single UAV system, and improve the adaptability of the UAVs toa complex dynamic task environment.
Owner:BEIHANG UNIV

Large range battlefield situation intelligent perception system and perception method

The invention discloses a large-scale battlefield situation smart sensing system, which comprises a wireless sensation network and a terminal receiving device. The wireless sensation network is formed by the self organization of wireless sensor nodes; each node comprises a processor module, a memory module, and a wireless communication module, and an integrated GPS module, an electronic compass module, a laser ranging module and a plurality of video acquisition modules. The wireless sensor nodes perform motion detection, target identification and classification through the video acquisition modules, then perform target ranging, determine the geographic coordinate information of the target and perform multi-hop propagation in the network. Each sensor works in cooperation to complete the sensation to the battlefield situation. The terminal receiving device collects the battlefield situation information in real time through the multi-hop wireless sensation network and converts the information into a two dimensional planar image for display. The invention has the advantages of large-scale multi-target detection, rapid deployment, real-time accurate information acquisition, strong anti-strike capability, multi-terminal access supporting and strong expandability, thereby having broad market prospects and application values in various military and civilian applications.
Owner:BEIHANG UNIV

Coupling device with electrode fixture applied to coupling of laser and silicon waveguide

The invention discloses a coupling device with an electrode fixture applied to coupling of a laser and a silicon waveguide. The coupling device comprises a workbench, a stand column and a cross beam;a coupling component, a coupling locating fixture and a light receiving component are sequentially arranged on the workbench; the coupling component comprises an X-direction first sliding rail fixed on the workbench, a three-directional floating adjustment mechanism and an angle adjuster; a lifting electrode fixture is arranged at the horizontal end part of the angle adjuster; the coupling locating fixture comprises a first support fixedly installed on the workbench; a first objective table and a locating fixture are arranged on the first support; the light receiving component comprises a photoelectric detector, a lens sleeve and a light beam quality analyzer; the photoelectric detector right faces the electrode fixture and the first objective table; a first movable camera component is arranged right above the coupling locating fixture, and a second movable camera component is installed on the lateral side of the coupling locating fixture. The coupling device is high in free degree ofadjustment and convenient to adjust the direction and angle; the light beam is easy to adjust and align, and the success rate of coupling is relatively high.
Owner:武汉匠泽自动化设备有限公司

Security and protection monitor

The invention discloses a security and protection monitor, which comprise a lower supporting rod, wherein the bottom part of the lower supporting rod is fixedly connected with a base. The security andprotection monitor is characterized in that an electrical box is fixedly connected to the middle part of the left side of the lower supporting rod, a box door is installed on the left side of the electrical box, a middle supporting rod is arranged above the lower supporting rod, a groove is formed in the top part of the lower supporting rod, a first motor is fixedly connected to the bottom part of the inner wall of the groove, and a rotating rod at the top part of the first motor is fixedly connected with the bottom part of the middle supporting rod. All parts of equipment are connected by afirst anti-theft bolt, a second anti-theft bolt and a third anti-theft bolt, therefore, the safety and the anti-theft performance of the security and protection monitor are improved, mosquitoes can berepelled by a mosquito repelling coating, interference of the mosquitoes on the camera is effectively prevented, the working environment of the camera is improved, safe operation of monitoring is guaranteed to the maximum extent, and the situation that the monitoring effect is reduced due to attachment of the mosquitoes is avoided.
Owner:SHENZHEN FSAN INTELLIGENT TECH

Close range target updating cycle calculating method based on secondary radar

The invention relates to a close range target updating cycle calculating method based on a secondary radar. The close range target updating cycle calculating method includes the first step of generating a remote area, an ordinarily close range area and an extremely close range area in a division mode, the second step of calculating the updating cycle of a target in real time according to the movement situation under the polar coordinates of the target when the target gets close to a secondary radar station and is located within the ordinarily close range area, the third step of converting target processing from a polar coordinate system to a rectangular coordinate system when the target continues to get close to the secondary radar station and is located within the extremely close range area and carrying out track updating and track smoothing on the target on the basis of the rectangular coordinates, the fourth step of calculating the real-time updating cycle of the target according to the track information generated in the third step, storing the updating cycle and finishing processing. By means of the close range target updating cycle calculating method based on the secondary radar, the real-time updating cycle of the target can be obtained, the detection position of the target in the next scanning process can be accurately predicted, the close range target can be tracked and monitored accurately, and false targets can be filtered out more accurately.
Owner:NANJING NRIET IND CORP

Real-time monitoring equipment for overhead line of power distribution network

The invention provides real-time monitoring equipment for an overhead line of a power distribution network. The real-time monitoring equipment comprises a monitoring equipment main body, a rotating mechanism and a mounting mechanism, wherein the monitoring equipment main body comprises a camera, a connecting rod, a fixed rod and a mounting plate; the rotating mechanism comprises a rotating cylinder, wherein a mounting cylinder is arranged at the bottom end of the rotating cylinder; a motor box is arranged at the bottom end of the mounting cylinder; a motor is arranged in the motor box; a gearA is arranged at the top end of the motor; a gear B is arranged on one side of the gear A; a rotating rod is arranged at the top end of the gear B; the top end of the rotating rod is located in the middle of the top end of the interior of the rotating cylinder; and a fixed ring A is arranged at the bottom end of the inner wall of the rotating cylinder. According to the real-time monitoring equipment for the overhead line of the power distribution network provided by the invention, the rotating cylinder is additionally arranged at the bottom end of the camera, so that the monitoring range of the monitoring equipment main body is effectively increased, and the construction cost is lowered; and clamping hoops are additionally arranged at two ends of one side of the mounting plate, so that theconnecting stability between the monitoring equipment main body and an electric pole is improved.
Owner:YUNCHENG POWER SUPPLY COMPANY OF STATE GRID SHANXI ELECTRIC POWER

LED intelligent street lamp capable of monitoring road parking

The invention discloses an LED intelligent street lamp capable of monitoring road parking, and belongs to the technical field of intelligent street lamps. The LED intelligent street lamp comprises a base, an annular mounting groove is formed in the center of the outer wall of the top of the base, a mounting plate is welded to the connecting part of the outer wall of the periphery of a lamp post and the base, and the outer wall of the lamp rod is sleeved with a lifting plate; a lifting motor and a controller are arranged at the top and the bottom of the fixing plate respectively, the lifting motor can be started in use, the lifting motor drives a lead screw to rotate, the lead screw rotates to enable a lifting block to ascend and descend under the limitation of a groove, the lifting block ascends and descends to drive a lifting plate and a movable sleeve to ascend and descend, and the movable sleeve ascends and descends to enlarge the monitoring range of the camera. During monitoring, the rotating motor drives the rotating rod and the gear to rotate, the gear rotates to drive the inner gear ring and the movable sleeve to rotate, the movable sleeve rotates to enable the position of the camera to change, monitoring dead angles formed by the lamp post can be eliminated, the movable sleeve drives the air plate to rotate to cool the LED lamp, and the service life of the LED lamp is prolonged.
Owner:江苏科德照明电气有限公司

Embedded large vehicle parking assisting system and control circuit thereof

ActiveCN108749719ASafe parkingSave the number of monitoring headsVehicle cleaningOptical viewingMicrocontrollerUltrasonic sensor
The invention discloses an embedded large vehicle parking assisting system and a control circuit thereof. The embedded large vehicle parking assisting system comprises a single-chip computer, an inputsystem, an output system and a signal acquisition system. The signal acquisition system is composed of seven ultrasonic sensors, two camera devices and a speed sensor. The bottom of a second groove is provided with a first electric telescopic rod, one side of a cleaning plate is provided with a plurality of cleaning brushes, one end of the supporting block is provided with cameras, and the otherend of the supporting block is fixedly connected with a second electric telescopic rod. According to the invention, the cameras are cleaned by setting the spring-driven cleaning plate and the cleaningbrushes, so that a driver can accurately identify the external environment through the cameras and safe parking is realized, the cameras with the first electric telescopic rod and the second electrictelescopic rod are arranged, front-back and left-right adjustment can be realized to expand the monitoring range of the cameras, the number of monitoring heads installed in the vehicle is reduced, and the ultrasonic sensors and the speed sensor are arranged and used for assisting the vehicle in parking together with the cameras.
Owner:嘉兴智旭信息科技有限公司

Security monitoring device

The invention discloses a security and protection monitoring device. Lower supporting rod, the bottom of the lower supporting rod is fixedly connected with a base. The method is characterized in thatthe method is characterized by comprising the following steps; the middle of the left side of the lower supporting rod is fixedly connected with an electrical box. A box door is mounted on the left ofthe electrical box; a middle supporting rod is arranged above the lower supporting rod; a groove is formed in the top of the lower supporting rod, a first motor is fixedly connected to the bottom ofthe inner wall of the groove, a rotating rod at the top of the first motor is fixedly connected with the bottom of the middle supporting rod, a circle of dustproof pad is fixedly connected to the lower surface of the middle supporting rod, the bottom of the dustproof pad makes contact with the top of the lower supporting rod, and an upper supporting rod is arranged above the middle supporting rod.The insect repelling coating can repel mosquitoes, effectively prevent the mosquitoes from interfering with the camera, improve the working environment of the camera, ensure safe operation of monitoring to the maximum extent, and avoid reduction of the monitoring effect caused by mosquito attachment.
Owner:安徽高颐科技有限公司

Electric cable drum take-up and pay-off system

The invention discloses an electric cable drum take-up and pay-off system which comprises a drum transfer device, a transmission group, a double-shaft transmission mechanism, a power group, a work group and a base. The work group comprises an electric cabled rum bracket and an electric cable drum, the base comprises a first region, a second region and a third region along linear directions, the work group is arranged in the first region, the power group is arranged in the second region, the double-shaft transmission mechanism and the drum transfer device are arranged in the third region, the double-shaft transmission mechanism comprises a first shaft, a second shaft and a first connecting piece, the first shaft is detachably connected with the second shaft by the first connecting piece, the power group is connected with the transmission group, and the power group and the double-shaft transmission mechanism are in linkage with each other via the transmission group. The electric cable drum take-up and pay-off system has the advantage that the electric cable drum can be electrically transferred by the drum transfer device, can be replaced in such a mode that the second shaft is detached but a chain of the transmission group is not detached, and can be efficiently and safely replaced in a labor-saving and space-saving manner.
Owner:MAINTENANCE CO STATE GRID QINGHAI ELECTRIC POWER

Danger and working condition detection system for electric automobile

The invention belongs to the technical field of new energy automobiles, particularly relates to a danger and working condition detection system for an electric automobile, and aims at the problems that an existing electric automobile driving system cannot accurately acquire the environment information around the vehicle and cannot timely avoid the danger. According to the scheme, the system comprises a vehicle state information acquisition module and an environment information acquisition module, wherein the vehicle state information acquisition module is connected to a control module; the control module is connected to a signal transmitting and receiving module, an analysis module and an execution module; the signal transmitting and receiving module is connected to a cloud information processing module; the environment information acquisition module is connected to the control module; the environment information acquisition module comprises a box body and a camera arranged on one sideof the box body; and one side of the box body is provided with an opening. According to the system, the design is reasonable, the height and the inclination angle of the camera can be adjusted at anytime, the environment information around the vehicle can be conveniently and comprehensively monitored, the monitoring range is improved, the vehicle can avoid the danger in the first time conveniently, and the safety performance of the vehicle is improved.
Owner:河南美力达汽车有限公司

Practical landslide pre-warning system

ActiveCN108550242ASolve the problem of power supplyLong maintenance free timeAlarmsLandslideComputer module
The invention discloses a practical landslide pre-warning system. The practical landslide pre-warning system comprises a master control unit and a plurality of landslide sensors, wherein the master control unit comprises a wireless receiving module, a microprocessor, a short message module, a storage module, an audible and visual alarm, a state indication module and a receiving antenna; the landslide sensors comprise mechanical dual-shaft dip angle detection modules, wireless emitting modules, antennas and batteries; the landslide sensors are vertical to the horizontal plane and are buried into different positions of sites on which landslide possibly occurs, can be respectively set with different dip angle thresholds and are in a power-off state at ordinary times; and the master control unit is mounted in a house of people close to a landslide site, or enterprise and public institutions or other place in which power can be continuously supplied. The practical landslide pre-warning system has the advantages that the power supply problem of the landslide sensors is solved; the landslide sensors are simple in internal structure, supplied with power through dry batteries, small in volume and low in cost and can be used massively; and the landslide sensors can be buried into multiple positions at the same site, so that the landslide monitoring range is expanded, and the practicability is strong.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY
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