26 results about "Lower border" patented technology

The application provides a target tracking method, system, storage medium and electronic equipment, and relates to the field of image processing.The method comprises the following steps: acquiring video stream data; detecting whether there is an occluded target in the video stream data; if yes, judging whether the occluded target can be effectively detected; if the occluded target is effectively detected, judging whether the upper boundary of the target detection frame of the occluded target is displaced; if the upper boundary is displaced, keeping tracking of the occluded target; if the upper boundary is not displaced and the lower boundary is displaced, performing a lock frame operation starting from the current frame to track the occluded target; and the lock frame operation is used to fix the size and position of the tracking frame.The application can avoid switching the tracking ID of the target in the tracking process, can inhibit multi-shot and improve missed shots, and effectively improves the accuracy of target tracking.

Device for odor-tight sealing of a drain pipe (2) of a waterless urinal (1) with an upper inlet housing (4) and a lower outlet housing (9) adjoining it, wherein the inlet housing (4) includes a funnel-shaped collar (5) and a collecting chamber (6) adjoining it downwards, which communicates via a passage cross-section with an outlet chamber (12) of the outlet housing (9) located below it and to which a cover hood (14) is assigned, spaced from its upper edge, which is supported on the upper region of the inlet housing (4) by several support legs (16) projecting from its edge region, and wherein the outlet chamber (12) communicating with the collecting chamber (6) of the inlet housing (4) has a lower boundary in the form of at least one inclined surface (21) which slopes down towards an associated outlet opening (22) provided in a lateral chamber wall,which is associated with a sealing membrane (23) made of rubber-elastic material attached to the outside of the chamber wall, characterized in that spacers (26, 28) are provided for the top of the cover (14), by which the top of the cover (14) is distanced from the collar (5) of the inlet housing (4) in an inverted position of the cover (14).

The invention discloses a wafer carrier layer height automatic calibration method and a related device, and the method comprises the steps: moving a wafer carrier, and enabling a dual-path cooperative photoelectric sensor to be capable of detecting a metal support ring of a current wafer at the same time; a wafer carrier is moved, the lower boundary position P1 and the upper boundary position P2 of a metal supporting ring of a current wafer are recognized based on a double-path cooperative photoelectric sensor, the wafer carrier is divided into a plurality of layers, and wafers are arranged in all the layers; the middle position Pm of the metal supporting ring is determined based on the lower boundary position P1 and the upper boundary position P2 of the metal supporting ring, and the middle position Pm of the metal supporting ring serves as the calibration position of the height of the wafer carrier layer where the current wafer is located. And the method has the characteristics of small error and high efficiency.

In an example method, an NWM molding blank comprising a nonwoven material held compressed by an adhesive is placed in a separable mold and heated to a melting temperature of the adhesive. The molding blank expands, shaping into an NWM molded object having a 3D geometry as an intermediate NWM object. The intermediate NWM object is cooled through a temperature band having an upper boundary and a lower boundary, and further cooled to a solidification temperature of the adhesive. The upper boundary is above the solidification temperature and the lower boundary is below the adhesive melting temperature. While in the temperature band, the mold is separated so that exposed surfaces of the intermediate NWM object are accessible. The object is then transported to a contoured forming surface of a forming bed by an actuatable arm having an end effector that grips the exposed surfaces via vacuum suction, the object is lifted from the mold and placed on the contoured forming surface. Optionally, the end effector contacting surfaces include final forming features. The actuatable arm compresses the intermediate NWM object against the contoured forming surface and, optionally, the end effector final forming features, and continues compression until cooled to the solidification temperature.

The utility model discloses a mattress and a combined Simmons mattress, the mattress comprises a spring bed net and a porous cover, the spring bed net comprises a lower frame, an upper frame and a spring net arranged between the lower frame and the upper frame; a plurality of cover top ventilation holes are formed in the top of the porous cover, a plurality of cover side ventilation holes are formed in the side portions of the periphery of the porous cover, the bottom of the porous cover is formed by splicing a plurality of splicing blocks, and the splicing blocks are connected with the side portions of the periphery of the porous cover in a bendable mode; the multi-hole cover is provided with a cover concave inner cavity, the spring bed net is detachably installed in the cover concave inner cavity, the multiple splicing blocks are bent towards the lower side of the spring bed net and wrap the lower side of the spring bed net, and therefore the spring bed net and the multi-hole cover are tightly connected and fixed. The mattress can form a ventilation network, and is ventilated, cool, high in comfort level, simple in structure and convenient to assemble and disassemble.

The application discloses a method and system for forming an elliptical particle accumulation body, and applies to the fields of geotechnical engineering and material science technology, and comprises the following steps: defining a space boundary and a calculation rule; generating and placing bottom-layer elliptical particles in a left-to-right placement order: determining a circular arc segment in contact with a container boundary line, and determining the center of a first bottom-layer elliptical particle based on translation and offset calculation of a left boundary and a lower boundary; randomly generating a bottom-layer elliptical particle, forming an intrusion block with a previous elliptical particle, and performing placement judgment of the bottom-layer elliptical particle based on line segment information after offset of the lower boundary and the right boundary of the container; generating and placing upper-layer elliptical particles: randomly generating an upper-layer elliptical particle, traversing a current accumulation body surface elliptical particle set to form a corresponding intrusion block, and performing placement judgment of the upper-layer elliptical particle based on line segment information after offset of the left boundary, the right boundary and the upper boundary of the container. The application realizes generation of an elliptical particle accumulation body with high density and low porosity.

An elevator system includes an elevator car and a laser distance measuring device. The elevator car is moved along a travel path that is delimited at the top by an upper boundary and at the bottom by a lower boundary. The laser distance measuring device emits a laser beam and determines a distance to a position at which the laser beam impinges on an object. The laser distance measuring device is mounted on the elevator car such that the laser beam can be directed upward to the upper boundary in a first configuration and can be directed downward to the lower boundary in a second configuration. A current position of the elevator car can thereby be determined in a redundant manner. Furthermore, in a third configuration, lateral distances to boundary markers can be measured to read out information that is codified by the boundary markers.

The present invention provides a glue-free core having a good elasticity. The glue-free core comprises a pocket spring set, border wires, and binding straps, wherein the pocket spring set comprises a plurality of pocket springs integrally welded by means of ultrasonic waves, and each pocket spring comprises a pocket body and a spring which is compressed and then loaded into the pocket body; the border wires comprise upper and lower border wires, and the upper part and the lower part of the outermost pocket spring of the pocket spring set are fixedly connected to the upper and lower border wires, respectively; and the binding straps are fixed to the border wires to bind the pocket spring set, so as to limit the displacement and deformation of the pocket spring set. In the glue-free core of the present invention, the pocket springs are integrally welded by means of ultrasonic waves, so that the springs of the core can be integrally connected without glue, thereby solving the problem of the debonding of bonded portions of a conventional mattress due to aging of the glue, and preventing indoor air from being polluted by harmful gas released from the glue. In addition, the pocket springs welded by means of ultrasonic waves provide an excellent elasticity for the core.

The utility model discloses a user photovoltaic assembly, which comprises a lower frame, an upper frame, a bearing rope and a photovoltaic tile, and is characterized in that the lower frame is fixedly arranged; a lower supporting edge is arranged on at least one side of the lower frame; the upper frame and the lower frame are detachably connected, the upper frame and the lower frame are mutually buckled to form a rope penetrating hole, the bearing rope penetrates through and is fixed in the rope penetrating hole, the two ends of the bearing rope are fixedly arranged, a suspension supporting structure is formed, the vertical load of the user photovoltaic module on the roof is effectively reduced, and the situation that the user photovoltaic module is not firmly fixed due to damage of the roof structure is avoided. An upper extrusion edge is arranged on at least one side of the upper frame, and a tile clamping groove is formed between the lower supporting edge and the upper extrusion edge which are opposite; the edge of the photovoltaic tile is clamped and fixed in the tile clamping groove, the clamping structure is used for replacing the existing bolt connection, and the problem that the photovoltaic module of a user is not firmly fixed due to the fact that the bolt vibrates and loosens is solved. Therefore, the fixing reliability of the user photovoltaic assembly can be improved.

The present invention is directed to a method (1000-6000; 1000A-E - 6000A-E) of predicting a conjunction between two bodies (50, 60; 50A,B; 50C,D; 50E,F, 50H). The method comprises the steps of: acquiring (2001; 2001A-G - 2001A-G) data defining at least one last known state and last known covariance of the two bodies; computing (2003-2007; 2003A-G - 2007A-G) a plurality of Gaussian Mixture Elements (GMEs) based on the acquired data; computing (3001-3003; 3001A-G - 3003A-G) a Gaussian Mixture Model (GMM) of an initial state based on the GMEs, the initial state being a state of the bodies at an initial time instant defining a lower boundary of a conjunction time interval comprising a time of closest approach of the two bodies; computing (3005-3015; 3005A-G - 3015A-G) Taylor expansions of dynamic equations of motions of the bodies for each GME in the GMM; computing (3017-3025; 3017A-G - 3025A-G) a final state and a GMM of the final state of the two bodies based on the Taylor expansions, the final state being a state of the bodies at a final time instant defining a higher boundary of the conjunction time interval; computing (3039; 3039A-G) a conjunction probability rate as a function of time based on the initial and final states and GMMs of the initial and final states, and computing (3045; 3045A-G) a conjunction probability by integrating the conjunction probability rate over the conjunction time interval, and determining (1015; 1015A-G) a possible conjunction if the conjunction probability exceeds a predetermined threshold. Advantageously, the step of computing (3017-3025; 3017A-G - 3025A-G) a final state and a GMM of the final state of the two bodies comprises: defining (3019; 3019A-G) a first matrix and a second matrix based on the Taylor expansion of state dynamic equations, the first matrix comprising coefficients of the Taylor expansion and the second matrix comprising exponents of the Taylor expansion, defining (3021; 3021A-G) a covariance matrix based on the GMM of the initial state, and computing (3023; 3023A-G) the GMM of the final state based on a combination of the first matrix, the second matrix and the covariance matrix.

The present application belongs to the technical field of tilt-rotor aircraft flight control, and relates to a transition boundary protection method for tilt-rotor aircraft. According to the upper boundary of the transition corridor and the lower boundary of the transition corridor of the tilt-rotor aircraft, the maximum tilt rate upper boundary of the transition corridor and the maximum tilt rate lower boundary of the transition corridor are calculated. According to the current flight speed, the upper boundary of the transition corridor, the lower boundary of the transition corridor, the maximum tilt rate upper boundary and the maximum tilt rate lower boundary, the proportional coefficient of the current flight state approaching the upper boundary of the transition corridor and the proportional coefficient of the current flight state approaching the lower boundary of the transition corridor are calculated. According to the current given nacelle tilt rate instruction and the current nacelle angle, the upper limit proportional coefficient of the amplitude limiting and the lower limit proportional coefficient of the amplitude limiting are calculated. According to the maximum nacelle tilt rate, the minimum nacelle tilt rate, the proportional coefficient, the proportional coefficient, the upper limit proportional coefficient of the amplitude limiting and the lower limit proportional coefficient of the amplitude limiting, the upper limit of the nacelle tilt rate amplitude limiting and the lower limit of the nacelle tilt rate amplitude limiting are calculated. According to the current given nacelle tilt rate instruction, the maximum nacelle tilt rate, the minimum nacelle tilt rate, the proportional coefficient, the proportional coefficient, the upper limit and the lower limit of the amplitude limiting, the nacelle tilt rate instruction with the boundary protection function is calculated.

The utility model relates to glass louver technology field, including upper border, lower border, left border, right border and glass vane, upper border both ends and left border and right border upper end weld connection, lower border both ends and left border and right border lower end weld connection, glass vane is connected with left border and right border through rotating shaft, be equipped with the stepping motor for glass vane opening and closing on left border top, be equipped with up-and-down flexible strip on lower limit block, glass vane upper flexible strip and lower flexible strip can cooperate and improve the sealing performance of glass vane after closing, make the sealing effect better through the design of glass vane when closing and guarantee the temperature in the house, can realize glass louver to have different opening angle and can better realize the function of sunshade and lighting through setting up two stepping motor, simultaneously have the promoting effect to air circulation, and glass vane both sides are equipped with sealing piece for cleaning border and reduce the cleaning time.

Receiving device (1) for receiving flat objects, in particular paper money and credit card-like items, comprising a housing (2) which is suitable and intended for receiving and in particular separately receiving paper money and credit card-like items, wherein the housing further comprises a first side wall (16) and the housing has an upper boundary wall (12) extending in the longitudinal direction (L) and the width direction (B) as well as a lower boundary wall (14) extending in the longitudinal direction and the width direction (B), wherein this housing (2) forms a first receiving compartment (4) and a second receiving compartment (6) and has a separating element (8) which at least partially separates the two receiving compartments (4, 6) from each other, characterized in that at least one first clamping device (22) is arranged within the housing (2), which is suitable and intended fora flat object arranged in the first receiving compartment (4) is to be pressed against a wall and at least a second clamping device (24) is arranged inside the housing, which is suitable and intended to press a flat object arranged in the second receiving compartment (4) against a wall.

The embodiment of the invention provides a data transmission method and device, and the method comprises the steps: receiving a protocol data unit PDU, judging whether a COUNT value exceeds the range of an out-of-window out-of-order delivery window or not under the condition that the COUNT value of the PDU exceeds the range of a reordering window, and transmitting the out-of-window out-of-order delivery window out of the lower boundary of the reordering window. And submitting the PDU to an upper layer under the condition that the COUNT value does not exceed the range of the out-of-window out-of-order submission window. According to the message transmission method and device, the problem that in the related technology, the time delay requirement of message transmission is guaranteed by reducing the duration of a PDCP layer reordering timer or directly submitting messages in an out-of-order mode, messages which are directly discarded and exceed a reordering window or messages which are completely out-of-order can affect transmission of a reliable protocol, and therefore related communication services are affected is solved; therefore, the effects of reducing the packet loss rate on the network link, enhancing the transmission stability and flexibility of the network and improving the user experience are achieved.

A de-powdering system for additively manufactured objects includes an enclosure defining a cavity configured to support an additive manufacturing build. The enclosure includes a wall defining a lower boundary of the cavity, and the wall includes one or more flow channels. A sleeve is disposable in the cavity to at least partially surround the additive manufacturing build. At least one vibration mechanism is coupled to the sleeve and is actuatable to induce vibrations to the additive manufacturing build to loosen at least a portion of a powder build material from one or more objects suspended within the powder build material. The powder build material is removed from the cavity via the one or more flow channels.

The utility model relates to a negative-pressure dressing plaster. The negative-pressure dressing plaster comprises a main sticking layer, a frame sticking layer, a frame release film and a main release film, the frame pasting layer is arranged on the periphery of the main pasting layer and connected with the main pasting layer. The frame release film is in a folded shape, and half folded edges of the frame release film are at least symmetrically arranged below one opposite edge of the frame pasting layer in a pasting mode. And the main release film is adhered to the lower part of the main adhesive layer. Through the inner and outer layered design of the adhesive layer, the outer layer of the adhesive layer is provided with the upper frame release film and the lower frame release film with certain hardness, so that the adhesive tape is very convenient to use and is not easy to scrap.

Based on the transverse block of super large grid fast vectorization method, through the block, in turn, each block contour tracking; and based on the contour node counterclockwise trend characteristics, using the contour line turn boundary line method contour point sequence into the contour surface; for not contact with the interface line contour surface directly output to the vector file, and the remaining other with the block boundary contact face will be with the last block with the interface line contact face merging. Mainly through a kind of end point sorting after pairing, link segment line, again merging the idea of surface, to realize the adjacent face merging between blocks; after merging two blocks, still in the block lower boundary face, save to the face cache, will be used for the next block face merging operation; through the loop iteration, repeatedly on each block contour tracking-merge adjacent face operation, ultimately realize the whole grid vectorization effect, solve the problem of direct large grid vectorization consume a lot of memory.

The utility model discloses a cutting device for electrolytic copper processing relates to electrolytic copper processing technical field, including base, fixed frame, moving column, lower border and upper border, the recess is established in base upper end, the recess is provided with the scrap box in the card, and the scrap box upper portion is provided with lower border, wherein lower border fixedly connected on the base, and the lower border upper end is provided with four lower clamping strips, and the upper border is provided with the upper border above, and the upper border lower end is provided with four upper clamping strips, and the base left upper end is fixedly connected with the guide rail, and the guide rail upper end is fixedly installed with servo motor no.

The invention provides an exposure field splicing design of a hexagonal graph unit array. According to the splicing design, an exposure field with a broken line boundary is defined; the left boundary and the right boundary of the exposure field are broken line boundaries which are identical in shape and can be spliced complementarily, and the upper boundary and the lower boundary of the exposure field are straight line boundaries or broken line boundaries which are identical in shape and can be spliced complementarily; the broken line boundaries are configured to pass through blank areas among pattern units in the hexagonal pattern unit array, so that the pattern units are prevented from being cut at the exposure field boundaries; the hexagonal pattern unit array of the exposure field is in even rows and even columns. The invention also provides an exposure field splicing process method of the hexagonal pattern unit array. The photoetching steps in the X direction and the Y direction during exposure of the broken line boundary exposure field are the same as the photoetching step of the original rectangular exposure field. The exposure field splicing design of the hexagonal graph unit array and the process method thereof provided by the invention are simple in design, strong in compatibility and high in reliability.

The invention discloses a mining separation layer grouting closed cavity type selection and dynamic control method and system, and relates to the technical field of coal mine mining separation layer grouting filling. The method comprises the steps that aquifer parameters, rock stratum mechanical parameters, mining parameters and fault parameters of a target area are obtained through geological exploration, and grouting basic parameters are determined according to the exploration parameters; on the basis of geological survey parameters, the lower boundary depth, the upper boundary safety isolation surface bearing capacity and the left and right boundary mining rock displacement boundary are calculated and determined respectively, the fault influence is quantitatively judged and avoided through the fault permeability coefficient, and finally the space range of the closed cavity is determined; the grouting control parameters are initialized according to the boundary bearing capacity of the closed cavity, so that the grouting pressure is always smaller than the boundary bearing limit of the cavity. According to the method, accurate cavity type selection is achieved through four-dimensional boundary quantitative constraint, and grouting control is achieved through parameter-state dynamic feedback.

The utility model discloses an electromechanical equipment protection door, it includes door frame and door board, and the door frame includes upper border, lower border, both side border and observation passage, is provided with electric control assembly on the door board, the opposite side of upper border and lower border is provided with linear slide rail respectively, still be provided with a vertical roof in the door frame, and the both ends of vertical roof are slidably connected with two linear slide rails, the door board includes opposite connection end and open end, and the connection between connection end and vertical roof is connected through first rotary connection structure, and still be provided with connecting rod between the back of door board and one side border, and the both ends of connecting rod are rotatably connected with door board and side border through second rotary connection structure. For the above-mentioned electromechanical equipment protection door, operating personnel can flexibly adjust the position of door board according to actual demand, which is convenient for operating electric control assembly, can avoid the interference of door board to line of sight, avoids the operation failure or the misjudgment to equipment state caused by the line of sight obstruction.

The invention relates to a method for determining obstacles in an image (B) of the environment (U) of an ego-vehicle (2) taken by a camera, the procedure is carried out by a neural network and includes the following measures: a) Dividing the image into different image areas (B1, B2, B3), where each image area is assigned to one of the three categories “passable”, “impassable” or “unknown”, b) Predicting a lower boundary of an impassable obstacle located lowest in the image by minimizing an error function (L1), where: - if the predicted lower limit (YPRB) is located above an actual lower limit (YTRB) of the lowest image area (B2) of the category "impractible" present in the image (B), this is taken into account in the error function (L1) according to measure c1), - if the predicted lower limit (YPRB) is located below an actual upper limit (YFT) of the lowest image area (B1) of category (B1) ‘passable’ in the image (B), this is taken into account in the error function (L1) according to measure c2), - if the predicted lower limit (YPRB) is located in an image area (B3) of the category “unknown”, this is not taken into account in the error function (L1) according to measure c3).

The invention relates to a wire comprising: - a metal core (10) having striations that are parallel to its longitudinal axis and which form, inside cross sections, a bumpy interface that comprises lower local extrema and upper local extrema distributed over at least 75% of the perimeter of the metal core; and - a surface layer (12) made of pure zinc. The lower and upper local extrema are spaced apart from one another by less than 12 µm. The bumpy interface is mainly comprised between a lower boundary (30) and an upper boundary (32), the difference between the lower and upper limits being between 1 µm and 5 µm. The upper limit is separated from an outer face (6) by a distance of less than 4 μm. The surface layer (12) completely fills all regions between the upper boundary (32) and the metal core.

The application provides a Rayleigh wave filter based on a mirror symmetry structure, which belongs to the technical field of filters and comprises a flat plate device A with an upper boundary and a lower boundary of the flat plate being set as an anti-symmetrical periodic rectangular ripple arrangement, a flat plate device B obtained by performing 180 mirror mapping on the flat plate device A with a y axis as a central axis, and a rectangular flat plate device C; the structure of the flat plate device A and the structure of the flat plate device B are mirror symmetry arrangement with each other, and the periodic number of the flat plate device A and the flat plate device B can be adjusted according to the filtering effect. The Rayleigh wave filter based on the mirror symmetry structure has the advantages of simple structure, low cost, easy implementation, good filtering performance, strong stability and sustainable effect.