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251results about How to "Fit fast" patented technology

Optimization method for wireless mobile network route selection

The invention discloses an optimization method for wireless mobile network route selection, and belongs to the field of wireless mobile networks. The specific technical scheme includes: according to the number of neighbors of network nodes, dynamically defining local areas in a network in real time, partitioning the nodes with the number of the neighbors larger than a defined value into the local areas with large intensity, routing the nodes in the local areas according to network topology of the local areas of current sending nodes and based on a unisource shortest route, and routing the nodes outside the local areas by adoption of a routing protocol based on geographic locations; and if routing fails, the sending nodes store messages to be sent, and after T time, performing the routing selection again. The optimization method for the wireless mobile network routing selection can be applied to high dynamic wireless mobile networks including vehicle-mounted self-organization networks and the like. According to the optimization method for the wireless mobile network routing selection, the routing based on the geographic locations is fully combined with the routing based on the network topology, the routing based on the geographic locations and the routing based on the network topology are called according to occasions, a message delivery success rate is increased, time delay is reduced, and overall performance of the network is enhanced.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Vehicle automatic driving transverse control method and system

ActiveCN111487971ALateral Control RealizationSimplified lateral control algorithm for autonomous drivingElectric energy managementPosition/course control in two dimensionsSteering wheelVehicle driving
The invention provides a vehicle automatic driving transverse control method and system, and relates to the technical field of automatic driving. The method comprises the steps: recognizing a lane center line through a camera, and fitting a lane center line three-order curve equation; meanwhile, reading vehicle driving information, wherein the vehicle driving information includes a vehicle speed V, a yawing acceleration yawrate and a steering wheel angle; calculating a front wheel turning angle alpha of the vehicle according to the read vehicle driving information and the fitted third-order curve equation; and finally, based on a linear relation between the front wheel rotation angle alpha and the steering wheel angle, acquiring a steering wheel rotation angle beta through conversion, executing the steering wheel rotation angle beta through an EPS controller, and making the vehicle enter an automatic driving state. According to the method, a vehicle automatic driving transverse controlalgorithm is simplified, complex calculation can be completed without too many calibration parameters and through using a small calculation memory, production cost is reduced, meanwhile, adaptation to multiple vehicle models can be rapidly ensured, and an application range is widened.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD

Full-automatic LCD glass surface mounting machine

The invention relates to a surface mounting machine, and discloses a full-automatic LCD glass surface mounting machine. The full-automatic LCD glass surface mounting machine is provided with a servo motor and a PLC and successively comprises a loading device, a first transmission belt, a glass feeding device, a first surface mounting platform, a first surface mounting machine, a second surface mounting platform, a second surface mounting machine, a transport adsorption device and a second transmission belt according to a passing-through sequence of glass chips; the particular running process of full-automatic LCD glass surface mounting machine includes the steps that the loading device transports the glass chips to the first transmission belt, the glass feeding device transports the glass chips to the first surface mounting platform, the first surface mounting platform completes the surface mounting and transports the glass chips to the second surface mounting platform, and the second surface mounting platform completes the surface mounting and transports the glass chips to the second transmission belt through the transport adsorption device. According to the full-automatic LCD glass surface mounting machine, the PLC is adopted to take control, and the accurate and rapid attachment between base chips and substrates is achieved through the servo motor, ball screws, a linear guide rail, an auxiliary pneumatic system, a vision sensor and a mechanical positioning device; the full-automatic LCD glass surface mounting machine is safe and reliable in running, convenient to operate, accurate in positioning and high in attachment accuracy, and the production efficiency is greatly improved.
Owner:株洲晶彩电子科技有限公司

Nucleated pearl lamella conditioning fluid and application thereof

The invention relates to nucleated pearl lamella conditioning fluid in the technical field of pearl culture and application of the nucleated pearl lamella conditioning fluid. The conditioning fluid comprises the following constituents, by mass-to-volume concentration percentage, 1-5% of acid red, 0.01-5% of chondroitin, 0.1-5% of mafenide, 0.1-5% of taurine, 0.75% of sodium chloride, 0.1-5% of hyriopsis cumingii polysaccharide, and 0.05-3% of vitronectin, and allowance being water. The invention further relates to the application of the nucleated pearl lamella conditioning fluid in the pearl culture. The nucleated pearl lamella conditioning fluid can strengthen cell viability, prevent cell infection, and accelerate cell division and wound healing. When the nucleated pearl lamella conditioning fluid is applied to culture pearls, the death rate of the pearls is obviously reduced, and the rate of remaining nucleuses is obviously improved. Meanwhile, lamellas can be rapidly attached to lamella insertion shells, and the lamella insertion shells can rapidly proliferate to grow into pearl sacs. The nucleated pearl lamella conditioning fluid is simple in method, easy to achieve, wide in application range and remarkable in effect, is used for cultivating nucleated pearls by fresh water pearl mussels, and has wide application prospects.
Owner:ZHEJIANG SHANXIAHU PEARL GROUP CO LTD

Attaching device and method with material belt positioned through strip material small holes in sleeving mode

The invention provides an attaching device and method with a material belt positioned through strip material small holes in a sleeving mode. The attaching device comprises a product material belt supply mechanism, a label material belt supply mechanism, an attaching platform, a jig plate, a lifting mechanism and a label suction and attaching mechanism, wherein the jig plate is located below the attaching platform, positioning needles are arranged on the top surface of the jig plate, and the lifting mechanism drives the jig plate to ascend and descend. The product material belt supply mechanism comprises a material disc assembly, a material pulling drum and a servo motor driving the material pulling drum to rotate. The attaching platform is provided with a plurality of through holes used for positioning, and the positioning needles right face the through holes in the attaching platform. The label suction and attaching mechanism comprises a label suction plate connected with a vacuum generating device and a displacement assembly driving a label suction head to move. The attaching method includes a feeding step, a positioning step, an attaching step and a resetting step. The material pulling drum automatically pulls a product material belt to achieve material supply, then the label suction and attaching mechanism achieves the operation of automatically sucking and attaching labels, the automation degree is high, and the labels can be attached to the product material belt rapidly and accurately.
Owner:GUANGDONG FXD INTELLIGENT EQUIP CO LTD

Uniform spraying device for curved-surface plate

The invention belongs to the technical field of spraying equipment, and particularly relates to a uniform spraying device for a curved-surface plate. The uniform spraying device comprises a support part, a suspension part, a spraying mechanism and a rubber guide rail. According to the uniform spraying device for the curved-surface plate, a piston rod of a support cylinder drives the curved-surface plate to move upwards, so that a curved surface matched with the curved-surface plate is formed on the bottom surface of the rubber guide rail, after the matched curved surface is formed, a piston rod of a tensioning cylinder tensions a tension rope, a metal sheet is enabled to be attached to a rubber sheet, the rubber sheet is tightly attached to a hanger rod, the friction force between the rubber sheet and the hanger rod is increased, the hanger rod is locked, the lower end of the hanger rod is connected with the rubber guide rail, the bottom surface of the rubber guide rail is matched with the surface of the curved-surface plate accordingly, after the hanger rod is locked, the piston rod of the support cylinder drives the curved-surface plate to move downwards, the distance between the curved-surface plate and the spraying mechanism is the spraying distance, the vertical distances between the spraying mechanism and all the positions of the curved-surface plate are equal in the spraying process, then uniform spraying of the curved-surface plate is achieved, and the spraying quality is improved.
Owner:SHAOYANG VICTOR HYDRAULICS

Automatic foam sticking machine and processing technology adopting same

The invention relates to an automatic foam sticking machine which comprises a rack, a control device, a first loading rack and a second loading rack, wherein a first material feeding mechanism is arranged on the first loading rack and comprises a first baseplate, a first material laying plate, a first driving mechanism and a second driving mechanism, a first sunken part is arranged on the first material laying plate, and at least one second material feeding mechanism layer is arranged on the second loading rack; a material taking mechanism capable of moving horizontally is arranged on the rack, a needle plate capable of moving vertically and a material bearing plate are arranged on the material taking mechanism, a plurality of needles are arranged on the needle plate, a second sunken part is arranged on the material bearing plate, and the first sunken part and the second sunken part correspond in the vertical direction; an electrical heating mechanism is arranged on the rack; based on input parameters or instructions, the control device controls the sticking machine to work. The invention further relates to a processing technology adopting the automatic foam sticking machine. The automatic foam sticking machine and the processing technology adopting the same have the benefits that loading is convenient and safe, and the sticking accuracy is high.
Owner:JIANGSU BVM INTELLIGENT TECH

Robot for concrete horizontal springback detection

PendingCN111157381AStable detection operationEfficient detection operationsInvestigating material hardnessRectangular coordinatesControl engineering
The invention discloses a robot for concrete horizontal springback detection. The robot comprises a lifting mechanism with a vertical reciprocating linear degree of freedom; a three-dimensional movingmechanism which is fixed to the top of the lifting mechanism and comprises an x-direction linear module, a y-direction linear module and a z-direction linear module which are perpendicularly connected with one another; and a detection mechanism which comprises a digital display resiliometer fixed in parallel with the y-direction linear module and has moving degrees of freedom along x, y and z rectangular coordinate axis directions. The lifting mechanism further comprises a supporting mechanism, the top of the lifting mechanism is provided with a vertically-telescopic nesting column, the z-direction linear module and the nesting column are fixed in parallel, the digital display resiliometer faces the horizontal direction and deviates from the position where the nesting column is located, and the supporting mechanism comprises a rubber gasket located at the top of the nesting column. Stable support can be provided during the rebound test of the side facade of the building, the robot isstabilized by means of the friction force of the lower surface of the building and the detection efficiency is improved.
Owner:苏州桐济建仪机电科技有限公司

Thermoplastic gasket in individual protection helmet and manufacturing method of thermoplastic gasket

The invention relates to a thermoplastic gasket in an individual protection helmet and a manufacturing method of the thermoplastic gasket. The manufacturing method comprises the following steps: S1, taking thermoplastic elastic resin as a basic material and adding an acrylic copolymer compound modifier and an inorganic nanoparticle aid so as to obtain a thermoplastic gasket material; S2, performing injection molding on the thermoplastic gasket material to form a material, softening the material in a drying box, pressing the material in a pressing mould into single billets, and blistering the billets to form single thermoplastic gaskets; S3, stacking the plurality of single thermoplastic gaskets to form a multi-layer thermoplastic gasket, heating and softening the multi-layer thermoplastic gasket, putting the multi-layer thermoplastic gasket between a clamp and the head of a wearer, performing thermoplastic forming on the multi-layer thermoplastic gasket according to the shape of the head of the wearer to finally form the thermoplastic gasket. The gasket is manufactured by the method; the manufacturing method is simple, convenient and low in cost, and the gasket can quickly fit the head of the wearer; the layer number of the gasket can be changed at will to meet different head styles, and the gasket cannot move when being worn.
Owner:AEROSPACE LIFE SUPPORT IND LTD

Pre-embedded sprue system

InactiveCN107866527AFit fastSolve the phenomenon of running steelFoundry mouldsFoundry coresMaximum diameterEngineering
The invention discloses a pre-embedded sprue system which comprises a sand box, a pouring earthenware pipe and a sprue cup, wherein an accommodating groove is formed in the sand box and is composed ofan upper part and a lower part; the upper part takes the shape of a circular truncated cone with a wider upper part and a narrower lower part; the lower part is cylindrical; the sprue cup is placed in the accommodating groove; the minimum diameter of the upper part of the accommodating groove is greater than the minimum diameter of the sprue cup and is less than the maximum diameter of the spruecup; and the maximum diameter of the upper part of the accommodating groove is greater than the minimum diameter of the sprue cup and is less than the maximum diameter of the sprue cup. The pre-embedded sprue system has the following advantages: the design of the accommodating groove ensures that the sprue cup can fit and is fastened and does not incline during pouring, so that the phenomenon about steel loss at the cup bottom is completely eliminated, and the accommodating groove meets the complicated site using condition and is durable and unlikely to deform; a sand collecting groove can collect floating sand during the working process of an external die, so that the purity of molten steel is ensured; the pouring earthenware pipe positions the sprue cup; and the production cost is reduced, the weight of an entire system is reduced, and the on-site operation is portable and simple.
Owner:CRRC YANGTZE TONGLING CO LTD
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