91results about How to "Unable to solve the problem" patented technology

The invention discloses a real-time processing method and system of image data of an unmanned plane. According to the method, matching of combined characteristic information of continuous image data is carried out; a characteristic extraction and matching process based on FREAL and SIFT characteristic combination is used and an image data real-time requirement of the unmanned plane is met. Under the circumstances of no POS information assistance, estimation of attitude data of continuous image data is carried out based on SFM by using a characteristic matching result; and flight track recovery of multiple segments of the unmanned plane is carried out and frame image data at each segment are marked. And then on the basis of the frame image data marked with segment marks, image splicing is carried out based on the characteristic matching result to generate a corresponding spliced image. On the basis of the method, a problem that the telemeasuring data can not be obtained or time-space matching is poor can be solved. And an objective that image data of the unmanned plane can be processed in real time under the circumstances of no POS system assistance can be achieved.

The invention discloses a device and method for mooring a ship. The device comprises a mooring rope, a tension detecting mechanism, a control mechanism and a rotary mooring rope column. The rotary mooring rope column is provided with a rotatable rotary portion, when the ship berths, one end of the mooring rope is connected with the ship, the other end of the mooring rope is connected with the rotary portion of the rotary mooring rope column, and the rotary portion rotates to take up and pay off the other end of the mooring rope. The tension detecting mechanism is connected with the mooring rope and the control mechanism, detects the tension of the mooring rope in real time, and transmits the detected tension value to the control mechanism. The control mechanism controls the rotary mooring rope column to tighten or loosen the other end of the mooring rope according to the detected tension value. According to the technical scheme, the problem that when a ship berths on a wharf or port, the tightness condition of a mooring rope cannot be known, and cannot be automatically adjusted is solved, the automation and intellectualization degree of mooring is improved, and the mooring safety and reliability of the ship are fully guaranteed.

The present invention discloses a multi-thread significance method based on a light field camera. The method comprises: 1, employing a Lytro light field camera to collect five-dimensional light field data in a scene and obtains light field full-focusing images, depth images, a focus stack image sequence and a multi-view image sequence; 2, performing super-pixel segmentation of the full-focusing images, and extracting the color, the position and the depth difference characteristics between the pixel pairs on different light field images; 3, respectively extracting the average optical flow characteristics of an adjacent focal plane image and an adjacent visual angle image, and calculating the focus flow difference characteristics and the visual angle flow difference characteristics; 4, performing weighting and summation of the color, the depth, the focus flow and the visual angle flow difference characteristics, and taking the position difference characteristic as a weight, and obtaining the original substantial results of multiple clues; and 5, optimizing the original substantial results, and obtaining the multiple-clue significance of the light field camera. The multi-thread significance method based on a light field camera is able to solve the defect that the current two-dimensional and three-dimensional significance extraction method cannot obtain and use the vision multiple clues so as to effectively improve the extraction precision of the image significance in the complex changeable scene.

The invention discloses a method for estimating loop-closing operation safety of a medium-voltage power distribution network. The method comprises the steps of acquiring a topological structure, an equipment parameter and real-time running data of a loop-closing network, and estimating a state of a high-voltage power distribution network to obtain voltage amplitude and a phase angle of a 10kV busat an initial end of a loop-closing feeder; selecting a ratio between an active power load and a reactive power load of each load point on the loop-closing feeder and a ratio between an active power and a reactive power of the initial end of the feeder as input variables, and calculating each order semi invariant of the input variables according to historical load data; performing certainty powerflow and loop-closing current calculation; calculating each order semi invariant of a loop-closing current; solving accumulation probability distribution of the loop-closing current; and calculating out-of-limit probability of each loop-closing current, and estimating safety of the loop-closing operation. By the method, the loop-closing operation safety of the medium-voltage power distribution network can be quantitatively estimated, the problem that the real-time load data of each load point in the feeder in practice cannot be acquired is solved, and the problem that a probability distribution function of the input variable is needed to be known during solving the semi variant by a traditional numerical method is also solved.

The invention relates to the field of manufacturing processes, molding dies and finished products of sanitary ceramic products, and provides a high-pressure grouting molding manufacturing process of a toilet bowl. The high-pressure grouting molding manufacturing process comprises the steps of arranging of horizontal type high-pressure grouting equipment, arranging of a plurality of molding die bodies, die closing, grouting, die opening, die releasing and bonding and molding. Each molding die body comprises two female dies and a male die between the female dies. The molding die bodies are arranged on a bearing system of the horizontal type high-pressure grouting equipment in the horizontal direction. Two half-edge blanks are obtained every time die opening and die releasing are carried out. A complete toilet bowl blank is molded after each step of bonding and molding. Thus, according to the high-pressure grouting molding manufacturing process of the toilet bowl, the grouting molding yield and efficacy can be increased, and equipment cost is reduced; and a double-face grout eating manner can also be adopted so that the product yield and quality can be increased, the grout return manufacturing process is omitted, and the grouting molding time is greatly shortened.

The invention relates to a deformation analysis method for use in a tunnel excavation process, comprising acquiring a first set of monitored deformation quantities and a first set of deformation influencing factors that are spatially and temporally associated with each other during at least one tunnel construction process; drawing at least one relationship diagram indicative of a regular relationship between at least a portion of the deformation amount in the first monitoring deformation amount set and at least a portion of the influencing factors in the first deformation influence factor setbased on the first monitoring deformation amount set and the first deformation influence factor set according to a preset condition; carrying out quantitative analysis on at least one relationship diagram and constructing a prediction model according to the quantitative analysis result; the deformation of the currently excavated tunnel being predictively analyzed by a prediction model according toa second set of monitored deformation quantities and/or a second set of deformation influencing factors of the currently excavated tunnel. The prediction model of the invention can be continuously improved and adjusted based on the actual construction data so as to provide more accurate data support for the constructors and the designers.

The invention discloses object identifier (OID) configuration and analytic methods, an ORS client, and an OID node and a database thereof. The OID configuration method comprises: a father OID node carries out DNS configuration on a service provided by an OID tree to generate a DNS resource record, wherein the OID tree includes the father OID node and at least one son OID node of the father OID node; and the father OID node stores the DNS resource record in a DNS database of the father OID node.

The invention discloses a latch steel pipe pile cofferdam construction method. Through searching of a bending moment balance point, a rock inserting depth is calculated, and meanwhile, the material stress is within a safety value; before a steel pipe pile is inserted, a hole is led firstly, then, the steel pipe pile is inserted in, and anchoring concrete is cast in a pipe until a cofferdam is gathered, so that the problem of incapability of inserting the latch steel pipe pile into rock or incapability of stabilizing the steel pipe when a covering layer is shallow is solved, and the problems ofbottom permeation of the latch steel pipe and insufficient anchoring force in a rock layer are solved; in deep water rock layer excavation, such high-risk operations as underwater blasting and underwater excavation are prevented; for a steel cofferdam, steel can be fully recovered; and pouring of bottoming concrete is canceled to save materials.

The invention provides a reinforced bailey piece steel arch connecting structure and an assembling and connecting method thereof. The reinforced bailey piece steel arch comprises a plurality of assembling sections, each assembling section is formed by connecting a plurality of reinforced bailey pieces, embedded parts are arranged in arch seat concrete, the assembling sections at the ends are connected with the embedded parts through connecting arch foot sections, and the assembling sections are connected through connecting sections. According to the structure, the reinforced bailey steel archis convenient to mount, the mounting position precision is easy to control, and the structure is suitable for splicing and connecting reinforced bailey arch support frames with higher requirements onbearing capacity.

The present invention proposes a method and a system for quantitatively associating a landscape pattern with an ecosystem service function. The method comprises: classifying the land cover type of a target area; and according to the to-be-evaluated ecosystem service function in the target area, evaluating spatial distribution results of the matter amount corresponding to the ecosystem service function in the target area; creating a grid layer of the target area; determining a landscape pattern feature value corresponding to each grid cell in the layer and a matter amount value corresponding tothe ecosystem service function, wherein the landscape pattern feature value is the ratio of the area occupied by the composition of the land cover type to the area occupied by each composition in thegrid cell, and the matter amount value is the average value of the spatial distribution results of the matter amount within the grid cell; and according to the landscape pattern feature value corresponding to each grid cell and the matter amount value, analyzing the quantitative relationship between the landscape pattern and the ecosystem service function. According to the method and system provided by the present invention, the quantitative association between the landscape patterns of different ecosystems and the ecosystem service functions can be effectively and accurately revealed.

The invention relates to a process for preparing a pore-free high-density zirconium or zirconium alloy powder metallurgical profile. The process mainly adopts sponge zirconium to process zirconium hydride powder with matched granularities of between 100 and 300 meshes, adopts a rubber die to shape, casts the material at isostatic pressure of between 260 and 350 MPa, dehydrogenates the material in vacuum, and sinters the material in a vacuum sintering furnace at a temperature of between 1,200 and 1,420 to reach the density of more than 98 percent. The zirconium or zirconium alloy powder metallurgical profile processed by the process has no pore and high density which indicate successful search on the item, and currently maintains the leading position at domestic.

The invention discloses an exception detection feature construction method, module, storage medium, device and system, and the method comprises the following steps: S1, extracting the flow data of a sliding time window, and aggregating the flow taking a lower computer/slave computer as a source address in each sliding time window; and S2, in the current sliding time window, for each lower computer/slave computer serving as a source address, extracting the first n pieces of flow data of the current data flow time t0 to perform n-gram communication behavior feature construction, wherein n is a positive real number larger than 2, and the constructed n-gram communication behavior features are combined with a detection algorithm model to construct and adjust anomaly detection features and the like. The method is suitable for characterization of communication behaviors of different industrial control scenes, solves the problem that only a very small number of abnormal communication samples cannot be obtained or can be obtained in a real scene, can detect complex man-in-the-middle attacks, enhances the detection effect, improves the detection precision and the like.

The invention discloses a thermoforming device and process of a ring-shaped part formed by a titanium alloy sheet. The thermoforming device of the ring-shaped part formed by the titanium alloy sheet is composed of an expansion type taper ring (1), a locating supporting upright (2), a pressing wedge block (3), an upper limiting plate (4), shaping blocks (5), a limiting ring (6) and a locating bottom plate (7). The shaping blocks (5) are located between the upper limiting plate (4) and the locating bottom plate (7). The upper ends and the lower ends of the shaping blocks (5) are pressed to the locating bearing upright (2) through the pressing wedge block (3). The side ends of the shaping blocks (5) are pressed through the limiting ring (6) and the expansion type taper ring (1). By means of the thermoforming device and process of the ring-shaped part formed by the titanium alloy sheet, the problem that large-diameter titanium alloy sheet ring-shaped parts with the internally-U-shaped sections cannot be formed through a conventional method is solved, forming accuracy is improved greatly, and it is guaranteed that accuracy of the formed part meets the standard.

The invention discloses a long tail keyword-based search recommending method and device. The long tail keyword-based search recommending method comprises the steps: receiving a user search query word, judging a type of the query word is a long tail keyword; and when the type of the query word is the long tail keyword, searching an interactive website matched with the query word as a website capable of solving the problem of the long tail keyword to be preferably recommended to a user. According to the long tail keyword-based search recommending method, when receiving that the type of the query word searched by the user is the long tail keyword, the interactive website matched with the query word is used as the website capable of solving the problem of the long tail keyword to be preferably recommended to the user, thus the user is guided to the website most possibly solving the problem of the user, the problem that the website matched with the long tail keyword can not be obtained when the search word is the long tail keyword is solved, and the beneficial effects of increasing the user searching efficiency and meeting the user searching demand are achieved.

The invention relates to the field of ceramics and processing methods thereof, and in particular, relates to 3D printed volcanic pit-shaped texture ceramic and a processing method thereof. The 3D printed volcanic pit-shaped texture ceramic is characterized in that a blank comprises the following components in parts by weight: 20-25 parts of kaolin, 10-12 parts of aluminum oxide, 5-8 parts of zirconium oxide, 10-12 parts of calcium carbonate, 6-7 parts of a surfactant, 50-60 parts of methyl acrylate light-cured resin, 5-7 parts of a dispersing agent, 10-20 parts of hydroxyapatite powder and 30-40 parts of water. According to the 3D printed volcanic pit-shaped texture ceramic and the processing method thereof provided by the invention, blank photocuring and alkali coagulation curing are carried out at the same time, the blank strength can be effectively enhanced through multiple curing modes, and the forming speed is greatly increased; glaze dipping treatment is carried out after the blank is degreased, the porosity is reduced, and cracking and strength reduction of the blank in the firing process are avoided; external light does not need to be isolated in the printing process, and printing conditions can be observed conveniently.

The invention discloses a high-energy-efficiency milling cutter tooth rear cutter face friction boundary fractal feature recognition method, and belongs to the technical field of milling cutter tooth rear cutter face boundary detection and recognition. The method comprises the following steps: S1, constructing a high-energy-efficiency milling cutter coordinate system and a cutter tooth rear cutter surface equation thereof; s2, constructing a friction boundary measurement coordinate system of the rear cutter face of the cutter tooth of the high-energy-efficiency milling cutter; s3, resolving fractal characteristic parameters of the friction boundary of the rear cutter surface of the cutter tooth; s4, representing an instantaneous geometric contact relation between the rear cutter surface of the cutter tooth and the machining transition surface; step S5, constructing instantaneous normal stress, tangential stress and temperature field criteria of the rear cutter surface of the cutter tooth; step S6, constructing a cutter tooth rear cutter surface instantaneous friction boundary feature point criterion; and S7, resolving the dynamic distribution characteristics of the fractal characteristic parameters of the instantaneous friction boundary of the rear cutter surface of the cutter tooth. According to the method, an instantaneous contact relation model of the cutter tooth and the machining transition surface is established, and the problem that an existing method neglects the influence of an instantaneous cutter-workpiece contact relation on the formation of an instantaneous friction boundary of the rear cutter face of the cutter tooth is solved.