58results about How to "With connectivity" patented technology

The invention discloses a point-based iterative remote sensing image road extraction method. Compared with on-site collection, automatic extraction of the road centerline map from the remote sensing image is higher in efficiency and lower in cost. In order to improve road connectivity and keep accurate alignment between a road map and a real road center line, the invention provides a point-based iterative road map exploration method using segmentation clue guidance, variable step length and trajectory exploration. Wherein the segmentation clues are embodied as follows: center line segmentationand intersection point segmentation are used as supervision information in the neural network; wherein the variable step length is embodied in that an adjustable step length training neural network is used at a road intersection point, a road end point and a connection point, and the trajectory exploration method is embodied in that a next drop point set starting from an image center point according to a time sequence is obtained by utilizing one-time remote sensing image input.

The invention discloses a tissue engineering scaffold with a vascular structure and a preparation method thereof. The preparation method comprises the following steps: S1, establishing a three-dimensional stereoscopic network model, and performing 3D printing to obtain a sugar scaffold of a three-dimensional network structure; S2, immersing the sugar scaffold printed in S1 into an ethanol mixed solution of a calcium salt, and obtaining a sugar scaffold loaded with the calcium salt on the surface after ethanol volatilization; S3, filling modified light cured polymers in the sugar scaffold in the S2, and performing light curing to form a cured hydrogel scaffold; and S4, placing the cured hydrogel scaffold in water, PBS or a cell culture medium to remove the sugar scaffold, thereby obtainingthe tissue engineering scaffold with the bionic vascular network. The internal vascular structure and the like have integral connectivity, high precision and excellent mechanical strength and mechanical property, living cells can be directly loaded while the bionic vascular network and the tissue engineering scaffold are molded, and the cell viability is maintained for a long time.

The invention relates to a graph partitioning method based on a shortest path and density clustering. The graph partitioning method comprises the following steps: 1, defining a distance between any two points on a graph, namely G=(V, E), to be a length of the shortest path between the two points so as to obtain a distance space defining the distance between any two points; 2, clustering point sets obtained in the step 1 by a density-based clustering method, and classifying non-classified noise points into a group; 3, reducing subsets obtained in the step 2 into subgraphs obtained by partitioning of an original graph. The connectivity of subgraphs obtained by partitioning is guaranteed; furthermore, the partitioning speed is high, and the universality is good.

The invention belongs to the field of 3D micro-manufacturing, and relates to a method for constructing a 3D micro-nano channel structure through a laser direct-writing technology. The preparation method comprises the steps: hydrogel serves as a scaffold, and a 3D structure is constructed through the two-photon laser direct-writing technology; hydrophobic macromolecules are connected to the constructed microstructure, and oily components are loaded into the constructed microstructure; and after isotropic shrinkage and dehydration, the oily components are removed through a detergent, and thus the hollow network structure capable of reaching the nanoscale is obtained. Through the method, ordered micro-nano hole channels with the fineness of dozens of nanometers can be constructed, and the 3Dmicro-nano channel structure has great potential in the field of optoelectronic device, nano element and sensor development, biomedicine and the like.

The present invention discloses a borehole-wall image based adjacent drill hole structural surface connectivity analysis method. The method comprises the steps of: obtaining structural surface parameter information; calculating coordinates of structural surface feature points in a local coordinate system; carrying out normalization processing on coordinates of structural surface feature points in a global coordinate system; calculating a distance between each two feature points, and carrying out preliminary analysis on structural surface connectivity; and judging connectivity again. The method disclosed by the present invention is simple and easy to implement, stable and reliable, easy to operate, and high in working efficiency, and can carry out connectivity analysis on the structural surface between drill holes rapidly and accurately.

The invention relates to a doorframe connecting piece which comprises a main connecting piece, a corner and an auxiliary connecting piece. The doorframe connecting piece is characterized in that the main connecting piece comprises an upper table plate and a lower sloping plate, the auxiliary connecting piece comprises an upper table plate and a lower sloping plate, the upper table plates and the lower sloping plates are connected with a middle connecting plate, side arms are arranged on two sides of the middle connecting plate respectively, a T-shaped boss is arranged on each upper table plate, a threaded hole and a round hole are formed in the lower sloping plate of the main connecting piece and in the lower sloping plate of the auxiliary connecting piece respectively, a locking bolt and a spring are arranged between the lower sloping plate of the main connecting piece and the lower sloping plate of the auxiliary connecting piece, the corner comprises an upper plate and a lower plate, an upper sliding groove and a lower sliding groove are formed on two sides of the upper plate respectively, and an upper sliding groove and a lower sliding groove are formed on two sides of the lower plate respectively. The doorframe connecting piece can connect a horizontal frame and a vertical frame of a doorframe without welding needed, has a connecting function as well as a locking function, and is simple in structure, convenient to assemble and disassemble, reasonable in design, long in service life, and wide in market prospect.

The invention discloses a 3D printing wall with an embedded enclosure structural column and relates to the technical field of building materials. The 3D printing wall comprises a wall body, an enclosure structural column cavity is formed inside the wall body in a reserved mode through 3D printing equipment in the printing process, and cement is poured in the cavity to form the enclosure structuralcolumn. The invention further discloses a processing method of the 3D printing wall with the embedded enclosure structural column. The wall body manufactured through the method is high in strength and bearing capacity and more attractive.

The invention belongs to the technical field of spaceflight, and particularly relates to an inner-gear-type non-cooperative target locking mechanism. The inner-gear-type non-cooperative target lockingmechanism comprises a supporting shell, a bearing bush, a circular ring assembly, an inner toothed ring, multiple connecting pillars, locking connecting rods, pressing blocks, connecting screws and torsional springs, wherein the bearing bush is fixedly connected to the middle upper end of the inner wall of the supporting shell, the inner toothed ring is rotatably connected into the bearing bush,the upper end of the inner toothed ring is fixedly connected with the circular ring assembly through the connecting pillars, the upper end inside the supporting shell is fixedly connected with multiple lugs, all the lugs are hinged to the middle ends of the locking connecting rods through the connecting screws respectively, the connecting screws are sleeved with the torsional springs, the two endsof each torsional spring are connected with the supporting shell and the locking connecting rods respectively, the pressing blocks are fixedly connected to the upper ends of the locking connecting rods, the lower ends of the locking connecting rods are slidably connected with the inner side of the circular ring assembly, and the inner side of the circular ring assembly is fixedly connected with multiple convex lugs. By means of the inner-gear-type non-cooperative target locking mechanism, catching and releasing of a target can be achieved, and the stability of the target and the accuracy of the attitude are guaranteed.

The invention discloses a filtering electric connector contact. The contact is used for power supply signal transmission in a filtering electric connector; a magnetic tube, a capacitor tube, a copper coil and a metal tube are sleeved outside a contact insertion pin or a contact insertion hole of the contact in sequence; the capacitor tube and the contact insertion pin or the contact insertion hole are connected by welding the end parts; and the copper coil and the metal tube are connected by welding the end parts. According to the contact, by sleeving the magnetic tube and the capacitor tube on the contact insertion pin or the contact insertion hole directly, the contact has both functions of signal connection and filtering; the contact is separately fixed with a low level signal contact in the connector, so that the interference is avoided, and thus the contact has the characteristics of being simple in structure, simple and convenient to assemble and high in reliability and has wide popularization and application value.

The invention relates to the field of disposable hygienic products, in particular to a multi-layer material arc-shaped cutting method which comprises the following steps that firstly, multi-layer materials are input in a stacked mode, hot pressing is conducted on the two sides of the multi-layer materials through a hot pressing device, and it is guaranteed that the multi-layer materials are mutually bonded and not separated through hot pressing; secondly, the materials are conveyed through a first adsorption conveying device and then fed into an arc cutting device to be subjected to arc cutting; and thirdly, waste obtained after arc cutting is sucked away through a waste suction nozzle, the waste suction nozzle is arranged below the arc cutting device, the multi-layer material obtained after arc cutting is transferred through a transfer wheel device, and then lengthened conveying is conducted through cooperation of a second adsorption conveying device and the transfer wheel device. The arc-shaped cutting method solves the technical problems that when an existing arc-shaped cutting device conducts arc-shaped cutting on multiple layers of materials, a material layer which is not attached to an adsorption bottom roller is prone to loosening or rolling up, the cutting effect is poor, and waste enters a product main line.

The invention discloses a motor integrating connection and movement functions and a modularized robot applying the motor. The motor disclosed by the invention has the characteristic of having the connection function and the movement function simultaneously, in the original modularized robot system, two sets of functional systems including a movement system and a connection system are required simultaneously, but all functions can be realized by only adopting one set of system of the invention. The motor is very energy-saving, and the connection is realized by magnetic fields of an aluminum-nickel-cobalt alloy magnet and a neodymium-iron-boron alloy magnet; during the movement, only a pulse current with very small energy consumption needs to be provided when the motor moves every time, then a magnetic field direction of the aluminum-nickel-cobalt alloy magnet is changed, and the movement is realized by means of the action of a magnetic field force. The modularized robot disclosed by the invention can form a complete modularized robot platform, and is used for carrying other sensors or actuators to finish a specific task. Meanwhile, since the manufacturing is simple, the modularized robot can also be used for researching of related movement and control algorithms of the modularized robot.

The invention discloses a wooden threaded pipe with the function of repairing leaks, which comprises a wooden threaded pipe and a leak-repairing device; the leak-repairing device includes a connecting pipe with screw thread screwed into a screw hole, and the two ends of the connecting pipe are respectively provided with a syringe and an integral structure. Needles, syringes and needles are filled with film-coated repair capsules and acupuncture; the repair capsules contain first film balls and second film balls, the first film balls contain urea-formaldehyde resin adhesive, and the second film balls contain urea-formaldehyde resin adhesives. The film balls contain resorcinol. The invention not only has the connection function through the nut structure, but also can press out the repair capsule in the syringe by rotating the nut when damage occurs, and the repair capsule is pierced by a needle so that the urea-formaldehyde resin adhesive and resorcinol are fused together , to achieve the technical effect of express curing, bonding and repairing damage, and the rotating nut can combine the outer film of the repairing capsule with the wooden threaded pipe through rotary crimping to further improve the fastness of the repair.

The invention discloses a power transmission planning to-be-selected set optimization method and system based on redundancy constraint identification, and is used for obtaining a minimum-scale to-be-selected line set meeting planning requirements, reducing a solution space for the calculation of a subsequent power transmission network planning problem, and improving the calculation efficiency. The method comprises the following steps of: checking the connectivity of a net rack, adding lines to a test net rack on the basis of a redundancy constraint identification method to obtain an initial optimized to-be-selected line set, and finally performing line reduction correction on the test net rack on the basis of the redundancy constraint identification method to obtain a minimum-scale power transmission planning to-be-selected line set. According to the method, an optimization problem does not need to be additionally solved, and the method has high efficiency for formulating a complex large-scale power system power transmission planning to-be-selected line set.

The invention discloses a robot inspection region determination method, a robot inspection region determination device, a medium and equipment. The robot inspection region determination method comprises the steps of: acquiring a rectangular to-be-inspected region planning graph, and planning to-be-built buildings and buildings in construction, wherein the to-be-inspected region planning graph comprises positions of all target buildings in a to-be-inspected region, and the target buildings comprise built buildings; generating a inspection base graph according to the to-be-inspected region planning graph, wherein the inspection base graph is composed of a binary matrix, each pixel of the matrix corresponds to a fixed region in the to-be-inspected region planning graph, and a value of each region reflects whether a target building exists in the fixed region; generating a topological graph according to the inspection base graph, wherein each vertex in the topological graph corresponds to each element in the inspection base graph, and only one connecting line exists between the vertexes of which the corresponding element values are not zero; and determining a robot inspection region according to the topological graph. The robot inspection region determination method and the robot inspection region determination device can improve the inspection efficiency and reduce labor cost.

The invention discloses a wooden threaded pipe repaired by vegetable glue, which comprises a wooden threaded pipe and a leakage repairing device; the leakage repairing device comprises a connecting pipe which is threaded and screwed into a screw hole, and the two ends of the connecting pipe are respectively provided with a syringe and a needle of an integral structure , the syringe and the needle are filled with film-coated repair capsules and acupuncture; the repair capsule contains a first film ball and a second film ball, the first film ball contains konjac plant gum, and the second film ball contains Contains carrageenan. The invention not only has the connection function through the nut structure, but also can press out the repair capsule in the syringe by rotating the nut when it is damaged, and the repair capsule is pierced by a needle so that the konjac vegetable gum and carrageenan are fused together to achieve express curing , The technical effect of gluing and repairing damage, and the rotating nut can combine the outer membrane of the repairing capsule with the wooden threaded pipe by rotating and crimping to further improve the fastness of the repair.