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71results about How to "Avoid mutual occlusion" patented technology

People flow statistical system and people flow statistical method

The invention provides a people flow statistical system and a people flow statistical method based on video image analysis. The people flow statistical system comprises a single-image photographing unit, a speed estimating unit, a puzzle generating unit and a decision model unit, wherein the single-image photographing unit is placed just above a detection line and used for photographing a video image of the top of a pedestrian from top to bottom; the speed estimating unit is used for calculating speed information when each pedestrian passes through the detection line in the video image by using the optical flow method; the puzzle generating unit is used for calculating the distance that the pedestrian passes through the detection line in each video image according to the speed information, taking the distance as the slicing thickness, and restoring the whole puzzle of the pedestrian by continuously accumulating slices; the decision model unit is used for analyzing by utilizing linear regression according to the puzzle restored by the puzzle generating unit, calculating the number of pixels and the number of edge information in the puzzle, and counting the number of people in the puzzle. Compared with the prior art, the system and the method have the advantages that the problem that pedestrians keep out each other can be avoided, and are beneficial to improving the counting accuracy when people is crowded.
Owner:WINNER TECH CO INC

Mobile satellite communication multi-subarray panel antenna array and optimization method thereof

The invention discloses a mobile satellite communication multi-subarray panel antenna array and an optimization method thereof. The antenna array comprises a plurality of panel antenna subarrays, an antenna turntable and a plurality of feeder line systems connected between radiation units of the panel antenna subarrays and signal transceiving ports respectively, wherein the plurality of panel antenna subarrays are arranged in parallel on the antenna turntable and have the same target elevations; and the feeder line systems comprise phase shifters and a plurality of sets of delay lines. The optimization method comprises the following steps of: 1, setting parameters; 2, performing antenna subarray distance optimization by adopting an operation processor and using an improved genetic algorithm; and 3, performing delay line length optimization by adopting the operation processor. The antenna array has the advantages of simple structure, light weight, low height, low cost and convenient installation and layout; and the adopted optimization method has reasonable design and convenient implementation, and can effectively solve two practical problems between antenna radiation pattern characteristic variation of the multi-subarray panel antenna array and minor level rise and instantaneous signal bandwidth reduction of the antenna.
Owner:PLA SECOND ARTILLERY ENGINEERING UNIVERSITY

Fiber surface interface layer deposition equipment and method

The invention discloses fiber surface interface layer deposition equipment and method. The equipment comprises a filament release device, an electrostatic filament scattering device, a magnetron sputtering device, a solid adhesive device and a filament collecting device. The filament collecting device and the filament release device are positioned on two sides of the magnetron sputtering device, the electrostatic filament scattering device is positioned between the filament release device and the magnetron sputtering device, and the solid adhesive device is positioned between the filament collecting device and the magnetron sputtering device. When the equipment is in operation, fiber bundles are released from the filament release device, then move to the electrostatic filament scattering device to be scattered, enter the magnetron sputtering device in a scattered state and are bundled by the solid adhesive device after an interface layer is obtained through magnetron sputtering deposition, and the fiber bundles are finally collected by the filament collecting device. The SiC fiber surface interface layer obtained according to the preparation method is uniform in thickness distribution, controllable in thickness and low in fiber damage and is a quasi-graphene structure weak interface layer, and mechanical performances of composite materials can be remarkably improved.
Owner:CENT SOUTH UNIV

Assembly type wallboard component prefabricated through rib steel mesh plates for engraving

The invention provides an assembly type wallboard component prefabricated through rib steel mesh plates for engraving. The assembly type wallboard component comprises ribs, an inner wallboard, inner wallboard concrete and the rib steel mesh plates for engraving. The ribs include assembly type wallboard component edge ribs and middle density ribs. The inner wallboard and the inner wallboard concrete are internally provided with steel meshes of the rib steel mesh plates for engraving. The rib steel mesh plates for engraving are composed of engraving meshes, engraving end meshes and supporting meshes. The circumference of the rib steel mesh plates for engraving is formed by the engraving meshes, the engraving end meshes support the engraving meshes to form the end cross sections of the rib steel mesh plates for engraving, the supporting meshes control the height of the internal space of the rib steel mesh plates for engraving, the engraving meshes and the engraving end meshes are made of steel mesh bodies, the supporting meshes are reinforcing mesh bodies, N rows of flat marks are arranged on reinforcing bars in the length direction of the reinforcing mesh bodies, and the length of the flat marks is larger than 4 millimeters. The assembly type wallboard component prefabricated through the rib steel mesh plates for engraving belongs to a building assembly type wall. The assembly type wallboard component produced through the procedure is strong in integrity, reasonable in structure, high in quality standard, controllable in working procedure and good in self heat preservation performance.
Owner:HUNAN BDF ENERGY SAVING TECH +2

Assembly part relative pose estimation monitoring method based on deep learning

The invention relates to an assembly part relative pose estimation monitoring method based on deep learning, and the method comprises the following steps: shooting images of a target assembly at different angles through a camera, and building a sample data set through the collected images; performing feature extraction and 3D key point detection on the sample data set through a deep learning network to obtain a 3D key point set of each part in the assembly; carrying out semantic segmentation according to the collected image, and distinguishing different parts in the image; according to the 3D key point set and the point cloud data set of each part, using a least square fitting algorithm to obtain a pose prediction value of each part under a camera coordinate system; selecting a part as a reference system part, establishing a world coordinate system by taking the geometric center of the reference system part as an original point, and calculating a pose true value of the reference system part under a camera coordinate system; and respectively calculating a relative pose relationship between each other part and the reference system part, wherein the relative pose relationship comprises a spatial geometric distance, a relative rotation matrix and a relative angle.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY

An agricultural planting rack with planting pots capable of being lifted and lowered independently

The invention relates to the technical field of agriculture and in particular provides an agricultural planting rack with planting pots capable of being lifted and lowered independently. The plantingrack comprises planting stands, lifting devices and a planting rack body. The upper side of each planting stand is provided with fixing piles and a fixing rack is arranged over the fixing piles; the inner wall of the left side of each fixing rack is provided with a spring telescopic barrel a and the right side of the spring telescopic barrel a is provided with a fixing member a; the inside of eachfixing member a is connected with a fixing plate a via a spring; the lower side of each planting stand is provided with a supporting roller right thereunder; the bottom of the front of each plantingstand is provided with a rolling pulley; the two sides of each planting stand are provided with connecting rods and each planting stand is connected with the corresponding lifting device via the connecting rods; a storage door is connected to the planting rack body via hinges; the bottom of the planting rack body is provided with rollers. The planting rack can be used for fixing planting pots of different sizes; the heights of the planting stands can be adjusted for guaranteeing sufficient illumination; the planting rack has an area for storing planting pots; the planting rack is convenient tomove.
Owner:李德儒

Target point positioning navigation system and method

The invention relates to the technical field of navigation, in particular to a target point positioning navigation system and method. The target point positioning navigation system comprises a probingdevice, a positioning device and a navigation control device, wherein the navigation control device comprises a first marker and a processing device; the positioning device comprises a detection device and a second marker arranged on the detection device, wherein the detection device is in contact with a basic object and used for determining the relative positional relationship between a target point in the basic object and the second marker; the processing device determines the relative positional relationship between the target point in the basic object and the first marker according to therelative positional relationship between the first marker and the second marker; the probing device comprises a probe rod assembly and a third marker arranged on the probe rod assembly, and the processing device determines the relative positional relationship between the target point and the third marker through the relative positional relationship between the first marker and the third marker soas to control the probe rod assembly to reach the target point. Pollution to a puncture body and nearby areas is reduced, and the problem is avoided that the markers on the detection device and the probe rod assembly are mutually blocked.
Owner:付立功

Household disinfection cabinet with low power consumption and automatic monitoring function based on Internet of Things technology

The invention discloses a household disinfection cabinet with low power consumption and an automatic monitoring function based on Internet of Things technology. The household disinfection cabinet comprises a disinfection cabinet body, a plurality of uniformly distributed disinfection cabinet clapboards are connected in the disinfection cabinet body, a pair of tracks are connected to the disinfection cabinet clapboards, a plurality of uniformly distributed rolling mechanisms are connected to the tracks, the rolling mechanism comprises a rolling protection shell, a rolling motor is connected inthe rolling protection shell, the rolling motor is connected with the rolling protection shell, a rolling motor shaft is connected to the rolling motor, a transmission limiting block is connected to the rolling motor shaft, and a wheel shaft is connected to the rolling protection shell. Through arrangement of corresponding mechanisms on the household disinfection cabinet, a situation that multipledishes are blocked by one another is greatly reduced, the dishes can be rapidly and comprehensively disinfected, the disinfection cabinet is prevented from being opened for a long time, power consumption of the household disinfection cabinet is greatly reduced, resource waste is avoided, and burdens are relieved for users.
Owner:嘉兴勤慎智能技术有限公司

Efficient movable household clothes hanger

The invention provides an efficient movable household clothes hanger and belongs to the field of household clothes drying. The hanger comprises a support rod, a clamping rod and a U-shaped pull rod; the support rod is horizontal, and the left end of the support rod is fixedly connected with a fixed plate; the left end of the support rod of the left side of a movable plate is connected with a turntable through a rotation shaft, and the rotation shaft of the turntable is located in the front-and-back direction; the movable plate and the fixed plate are used for jointly clamping a balcony handrail to fix the whole clothes hanger; after the movable plate and the fixed plate clamp the balcony handrail, the turntable is turned counterclockwise to make the ends of the clamping rod to support themovable plate, and therefore the movable plate firmly clamps the balcony handrail; the clamping rod slides upwards from the lower side of the left end face of the movable plate to be clamped in a corresponding inverted groove to closely support the movable plate as the turntable is turned counterclockwise. At the same time, the inverted groove prevents the clamping rod from dropping from the movable plate and fixes the movable plate. When the clothes hanger needs to be dismounted, movable bolts at the two sides of a U-shaped support are removed from the turntable, the clamping rod is taken down, and therefore the movable plate is loosened.
Owner:盐城新汇村镇建设发展有限公司

Pitaya planting method and planting double-layer frame

The invention discloses a pitaya planting method and a planting double-layer frame. The pitaya planting double-layer frame comprises two rows of vertical frames which are symmetrically arranged, each vertical frame comprises a main stand column, an external corner bracket connected to the outer side of the main stand column, a first layer of cross rods and a second layer of cross rods, the first layer of cross rods and the second layer of cross rods are arranged up and down in a staggered mode, each external corner bracket comprises two pull rods connected at an angle, the free ends of the two pull rods are connected with the main stand column respectively, the two ends of the first layer of cross rods are connected with the main stand column respectively, and the two ends of the second layer of cross rods are connected with the vertexes of the external corner bracket respectively. During pitaya planting, pitaya plants are densely planted in a single row on the ridge surface below the pitaya planting double-layer frame, then the pitaya plants are alternately guided and bound to the two sides of the pitaya planting double-layer frame, and the top ends of adjacent plant trunks located on the same side are arranged in a staggered mode in the vertical direction and in the direction perpendicular to the plant planting direction. Through the arrangement, under the condition that the planting density of the pitaya is larger, the ventilation and light transmission effects are better, and the fruit quality of the pitaya is improved.
Owner:NINGBO ACAD OF AGRI SCI

Dual-light source specular reflection surface measurement system

The invention discloses a dual-light source specular reflection surface measurement system which comprises a first point light source array and a camera used for recording a light ray which is emitted by the first point light source array and reflected by an object to be tested, wherein a light splitter is arranged between the first point light source array and the object to be tested, a second point light source array is arranged at one side of the light splitter, a light array of the second point light source array is projected into a video camera after being reflected by the light splitter and the object to be tested. A key part of the dual-light source specular reflection surface measurement system is the light splitter, through using the light splitter, mutual shielding between light sources can be avoided when a dual-light source positioning method is used, and thus no mechanical device movable light source is needed, and the speed bottleneck caused by a mechanical device is removed. In addition, two light sources adopt point light source arrays, which can achieve very high display density, and thus higher measurement precision can be achieved for a normal vector of the surface of the object to be tested. The dual-light source specular reflection surface measurement system is simple in structure, and can be widely applied to the field of automatic measurement of mirror surface reflection.
Owner:GUANGZHOU HKUST FOK YING TUNG RES INST

Efficient cleaning device for LED lamps

The invention provides an efficient cleaning device for LED lamps. Including the dust removal device body, power part, dust collection box, blower, vacuum cleaner, hot air blower and controller, a rotating platform is set at the bottom of the inner cavity of the dust removal device body, and a storage rack is set on the rotating platform, and the storage rack is set as Circling structure, the height of the inner ring frame of the storage rack is set to be lower than the outer ring frame body, and a number of rollers are arranged on the storage rack, and a plurality of LED lamp fixing seats are arranged on the rollers, and the rollers are set to be passed by the driving motor. The transmission mechanism drives the rotation, the blower and the vacuum cleaner are set to be connected to the dust removal device body through the pipeline, the pipeline is set to include the blowing and dust suction pipe section and the dust suction pipe section, the blower and the vacuum cleaner are set to share the blowing and dust collection pipe section. The present invention adopts the device, which can achieve good dust removal of LED lamps in batches, and ensure that the surface of each LED lamp can be effectively cleaned after the assembly process or long-term use, thereby prolonging its service life and saving costs.
Owner:TIANJIN TIANXING ELECTRONICS

Self-heat-insulation wall body system of prefabricated assembling type wallboard component

The invention provides a self-heat-insulation wall body system of a prefabricated assembling type wallboard component. The self-heat-insulation wall body system is composed of a column, a beam, a door or window, a heat-insulation material and the prefabricated assembling type wallboard component, wherein the column and the beam are of a reinforced concrete structure or a profile steel structure; a reinforced concrete rib comprises a prefabricated assembling type wallboard component edge rib and a middle rib; the reinforced concrete rib is a hollow cavity rib; the hollow cavity rib is formed by a ribbed steel net barrel; a foaming cement self-heat-insulation material is poured into the ribbed steel net barrel; an inner wallboard and an outer wallboard are formed through pouring steel net concrete; the foaming cement self-heat-insulation material is poured into ribbed steel net hollow parts at the inner sides of the inner wallboard and the outer wallboard; the prefabricated assembling type wallboard component is realized through a bottom die system with a surrounding track. The assembling type wallboard component is strong in integrity, reasonable in structure, high in quality standard and good in self-heat-insulation property, and has controllable procedure; after the reinforced concrete rib is changed into the hollow cavity rib and the reinforced concrete wallboard is changed into the steel net concrete self-heat-insulation wallboard, the weight is greatly reduced.
Owner:HUNAN BDF ENERGY SAVING TECH +2

Surgical operating instrument disinfection cabinet

The invention discloses a surgical operating instrument disinfection cabinet. The surgical operating instrument disinfection cabinet comprises a cabinet body and a supporting frame; a cleaning bin is arranged in the cabinet body; a disinfectant spraying device is fixedly installed at the upper end of the inner surface of the cleaning bin; an air drying device is arranged at the position, close to the upper end, of the inner surface of the cleaning bin; a rotating mechanism is arranged at the upper end of the supporting frame; and a plurality of sets of instrument fixing devices used for limiting the positions of surgical operation instruments are arranged on the rotating mechanism. According to the surgical operating instrument disinfection cabinet, the disinfectant can penetrate through through holes to be directly sprayed to the surgical instruments, the disinfection effect is better, the angles of the surgical instruments can be adjusted, the surgical instruments are disinfected comprehensively, multiple times of disinfection are not needed, air can be blown from different angles, the surgical instruments can be directly air-dried, and the disinfectant can be guided by a guide hopper to directly flow into a waste liquid collection box, so that people can conveniently clean the disinfectant, and a better use prospect is brought.
Owner:合肥基路伯医疗有限公司
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