59results about How to "Realize selection" patented technology

The invention relates to an image and a video processing method, especially to a video advertisement correlation method based on a visual saliency. The invention can automatically select a most attracted salient region in a video by calculating a saliency distribution graph of a sampling frame. Based on the extracted salient region, the method automatically obtains advertising signs associated with the salient region in an advertisement base through a plurality of retrieval methods. Finally the method synchronously plays the video clip and queried advertisement information to a user. The invention can associates relative advertisement information for the salient region concerned with the user, further satisfies the demands of deep understand and further exploration to the region concerned with the user.

The present invention belongs to the field of energy technology design and particularly relates to a multi-energy technology quantitative screening method. The multi-energy technology quantitative screening method comprises the following steps of: (1) establishing a model and a database; (2) carrying out load analysis; (3) carrying out technology quantitative screening; and (4) carrying out technology integration and outputting a technical scheme. The multi-energy technology quantitative screening method disclosed by the present invention has the following beneficial effects that (1) the technology integration degree is high and technologies in the fields of power generation, air conditioning refrigeration, heating and the like are covered; (2) single technology design and multi-technology integration optimal design can be realized; (3) equipment selection, energy consumption analysis, investment estimation, economic evaluation and the like of a technology integration system can be realized; and (4) performance evaluation of technology integration on two aspects of economy and the environment can be realized.

The invention discloses a cipher system suitable for combined public key (CPK) and two factor-combined public key (TF-CPK), a method for implementing direct cross authentication based on seed cipher key management, wherein, a seed cipher keys in each trust domain comprises a seed secret key (seedSK) and a seed public key (seedPK), and is a combined public key (CPK) comprising a calculation base of identification cipher key generated by the TF-CPK cipher system. The different trust domain and management domain can be composed of different seed cipher keys. According to the public characteristic of the seed public key, the seed public keys of each part by cross authentication can be constructed into a seed public key set according to the specific standard format, the ciphering part or the verification part can be selected according to the identification, thereby implementing the direct cross authentications between users of the units with independent management domain and trust domain with each other, departments, areas and even countries.

The invention relates to an aerospace craft orbit planning method based on heaven and earth communication. The aerospace craft orbit planning method comprises the following steps that after the condition that a trajectory needs to be planned again is confirmed, state information of an aerospace craft is started to receive; a new target orbit is calculated on the ground; a parameter of the new target orbit is uploaded; after the parameter of the target orbit is received by a rocket, an orbital transfer strategy is planned; the planned orbital transfer strategy is downloaded, if a ground measurement and control system considers the ignition time and the guidance law to be unreasonable, planning is conducted again, the uploaded parameter is sent again till the ground measurement and control system considers the ignition time to be reasonable, and confirmation information is sent; and orbital transfer is started, and the aerospace craft enters the new target orbit. According to the aerospace craft orbit planning method based on heaven and earth communication, the risks caused by basic level non-lethal faults are eliminated, and an effective load can be ensured, and the aerospace craft can further enters a working orbit; and optimal target orbit selecting under a fault state is achieved.

The invention relates to a duct piece splicing scheme selection method and system. The method comprises: obtaining a design axis vector of a tunnel; obtaining a central position and a normal vector ofa spliced duct piece ring completion surface; according to the distance between the center of the duct piece splicing surface and the center of the completion surface and the included angle between the current duct piece ring center axis vector and the normal vector, obtaining a plurality of groups of current duct piece ring center axis vectors and the center position of the current duct piece ring completion surface, wherein the central axis vector of each group of current duct piece ring and the central position of the finishing surface of the current duct piece ring correspond to one splicing scheme; performing calculating to obtain the distance between the central position of the current duct piece ring completion surface and the design axis vector, the distance between the central position of the current duct piece ring completion surface and the shield axis, and the included angle between the current duct piece ring central axis vector and the design axis vector; and comparing the numerical values corresponding to the schemes, and selecting an optimal splicing scheme.

The invention relates to a bolt design method. The method comprises the following steps that 1, stress analysis is conducted on the bolt structure position by means of CAE, and load needed by axial acting force, shearing acting force and the sealing function is determined; 2, the bolt specification is selected according to the experienced diameter-length ratio, a proper bolt head is selected through the type of the supporting surface of a bolt; 3, the friction coefficient range of the bolt is designed, and an assembly preload target value is calculated; 4, the bolt strength grade and the tightening strategy are determined according to the preload target value; 5, the proper bolt specification and the tightening strategy are determined finally. Accordingly, calculation is conducted according to the friction coefficient of the specific bolt, that is to say, the actual production condition, bolt type selection, security coefficient setting, tolerance analysis and bolt tightening specification establishing are achieved, and the method is applicable to a torque method, a corner method and a yield point method of the bolt.

The invention discloses an intelligent carton box packaging machine. The intelligent carton box packaging machine comprises a carton box selecting mechanism, a carton box board stereoscopic forming mechanism, an article pushing mechanism, a carton box door closing mechanism, an adhesive tape packaging mechanism and a control system, wherein the carton box selecting mechanism is used for selecting carton box boards and conveying the carton box boards to the carton box board stereoscopic forming mechanism; the carton box board stereoscopic forming mechanism is used for stereoscopically forming a square carton box with a cavity formed in the inner part on the carton box boards; the carton box comprises two box doors; each box door is provided with two first box boards in a length direction and two second box boards in a width direction; the article pushing mechanism is used for pushing to-be-packaged articles into the cavity of the carton box; the carton box door closing mechanism is used for sealing and closing the two box doors; then a conveying mechanism is used for conveying the carton box to the adhesive tape packaging mechanism; the adhesive tape packaging mechanism is used for carrying out adhesive tape packaging on the closed carton doors. According to the intelligent carton box packaging machine disclosed by the invention, selected carton box boards can be accurately and reliably subjected to stereoscopic forming, and the working stability of the intelligent carton box packaging machine is effectively increased; a purely-mechanical carton box door closing task can be realized, and the working efficiency is increased.

The invention discloses a method for interactively selecting coordinate points on the surface of an object based on point cloud data. The method aims at solving the technical problem that in current point cloud data processing, the method for interactively selecting the coordinate points on the surface of the object is lacked. The method is achieved through the total six steps that firstly, rendering of the point cloud data is performed; secondly, a user sight equation passing through given pixel points is solved; thirdly, a point cloud near the sight of a user is screened; fourthly, an effective point set in the point cloud near the sight of the user is extracted; fifthly, surface fitting of the effective point set is performed; sixthly, the intersection point of the sight of the user sight and a fitting curve is solved. By means of the method, window actions of a mouse can be mapped to be operation of the surface of the object, and therefore interactive operation of the point cloud data is achieved.

The invention discloses a raw coal feeding and screening technique, and relates to the field of raw coal processing. The raw coal feeding and screening technique comprises the following steps that 1,raw coal feeding is carried out; 2, primary raw coal magnetic screening is carried out; 3, primary raw coal classification is carried out, wherein the raw coal is screened through a first screening device (9) to obtain coarse undersize, gangue contained heavy substances and light substances; 4, primarily crushing is carried out, wherein the gangue contained heavy substances in step 3 is conveyed to a first-stage crusher for crushing through a first-stage conveyor belt device, and the light substances in step 3 is conveyed to a second-stage crusher for crushing through a second-stage conveyor belt device; 5, the magnetic screening and the classification are carried out again; and 6, crushing is carried out again. The raw coal feeding and screening technique has the advantages that in the raw coal treatment technique, gangues can be screened conveniently, labor is saved and labor intensity of workers is reduced; and the raw coal with different particle sizes in the process is subjected to multiple times of iron removing and crushing, and iron impurities in the raw coal are removed more completely, so that the quality of finally crushed raw coal is improved and subsequent fine processing is promoted.

The invention discloses an optical component surface profile processing process and parameter selection method and an application method thereof. The process and parameter selection method comprises the implementation steps of establishing a processing finite parameter library for a target optical component; calculating shape correction efficiency FA of each group of processes and parameters; andselecting a group of processes and parameters with a maximum shape correction efficiency FA value as output optimal processes and parameters. The application method of the process and parameter selection method comprises the implementation steps of determining optimal processes and parameters; and according to the optimal processes and parameters, performing surface profile iterative processing onthe target optical component until the surface profile precision of the target optical component meets a specified condition. The manual misjudgment can be avoided; process route establishment of efficient and high-precision processing of the optical component is realized; and through an optimal parameter selection criterion, the processes and parameters most suitable for current surface profileare objectively and comprehensively evaluated, so that the uncertainty and non-objectivity of manual process selection are avoided and the process selection accuracy is effectively improved.

The invention discloses a chip processing device integrating a testing function with a sorting function, comprising a worktable, wherein the worktable is of a box-type structure, a control box is arranged in the worktable, a liquid crystal display screen and an audible and visual alarm are arranged on one side of a tabletop of the worktable, a test box is arranged on a fixing frame at the middle position of the table top of the worktable, rectangular passages for enabling a storage plate to pass through are formed on left and right sides of the test box, four completely identical chip placement discs are arranged on the storage plate, to-be-detected chips are placed on the chip placement discs, when the storage plate is transferred into the test box, the position of a cross test board is adjusted according to the positions of the chips on the storage plate, so that a detection probe on each corner of the cross test board detect the chips, accordingly, the simultaneous detection of fourchips in one test is realized, improving the test efficiency of the chips, and the working intensity of detection personnel is reduced by the automatic detection of the detection probe.

The invention discloses a gear shifting device of a two-gear transmission of an electric vehicle. The gear shifting mechanism comprises a gear selecting spline (14), a gear shifting shaft (5), a high-gear gear (6) and a low-gear gear (8), wherein a gear shifting shaft output gear (4) is arranged on the gear shifting shaft (5); the gear selecting spline (14) is engaged with the high-gear gear (6) through the pulling of a gear selecting poke (15), or is engaged with the low-gear gear (8); and a gear shifting execution mechanism comprises a gear selecting motor (22), a gearbox (21) and a gear shifting motor output tooth (20) in transmission connection in sequence. The gear shifting mechanism can realize the two-gear shifting, and is convenient for use.

The invention discloses a sandwich-structured power battery arrangement apparatus applying a high thermal conductivity foamy carbon material. The apparatus comprises a framework, multiple groups of power battery packs arranged in the framework and a radiating mechanism arranged on the framework side and used for radiating the power battery packs; each power battery pack comprises multiple series-wound or shunt-wound single batteries; a foamy carbon sandwich layer and a resistance heating sheet are clamped between each adjacent single batteries; one end of the foamy carbon sandwich layer is tightly adhered to the radiating mechanism; and the radiating mechanism is a liquid-cooling radiating mechanism or an air-cooling radiating mechanism. The compact arrangement and thermal safety of a battery pack for an electric vehicle are realized; the sandwich-structured power battery arrangement apparatus has the characteristics of compact structure, small size, simple liquid-cooling pipeline, low cooling energy consumption, light vibration absorption, thermal oriented conduction, low thermal cross influence among batteries without improving the height of the floor of an original vehicle, and the like; and in addition, the connection between the battery and the radiation structure is simple, and a modularized design can be realized easily.

The invention discloses a PC structure machining device, and belongs to the field of PC structure machining. The PC structure machining device comprises a box body, a mold bar inserting and drawing mechanism, an opening and closing mechanism, a limiting mechanism, a jacking mechanism, a locking mechanism and a downward pressing mechanism. The mold bar inserting and drawing mechanism is arranged on the box body, and a rotating assembly is arranged in the mold bar inserting and drawing mechanism, so that the drawing action of a mold bar is smoother and simpler, and axial strain of an inner circle of a cylindrical hole is avoided when the mold bar is drawn; by arranging the opening and closing mechanism and the limiting mechanism, control over the opening time of the upper end of the box body is achieved, and the situation that when concrete is poured into the box body, the mold bar cannot be inserted into the box body, and machining fails is avoided; by arranging the jacking mechanism and the locking mechanism, control over the jacking time of the jacking mechanism is achieved, and deformation of the mold bar is avoided; and the downward pressing mechanism is arranged, so that discharging of gas in the concrete is accelerated while the concrete is flattened.

A drum-type safflower silk picking head with comb teeth friction clamping includes fixed comb teeth, fixed comb teeth rails, moving comb teeth, push-pull electromagnets, a rotating main shaft, a power shaft, and an electromagnet mounting seat. Its main feature is that the rotating shaft is connected to the power shaft, the fixed comb is fixed to the rotating shaft, the moving comb is embedded in the track of the fixed comb, and its two ends are connected with the push-pull rod of the push-pull electromagnet through bolts, and the connection part is an opening. The slot can adjust the distance between the push-pull electromagnet and the moving comb teeth. An electromagnet mounting seat is welded on both sides of the rotating main shaft, and the push-pull electromagnet is fixed on the electromagnet mounting seat. The tooth ends of the comb teeth have radians, and the tooth surface is knurled, which can increase friction and ensure that the achenes are not damaged, and the filaments and achenes are separated. A total of 8 sets of comb teeth in the picking head are evenly distributed on the drum. The relative displacement of the movable and fixed comb teeth of the present invention is smaller than the minimum diameter of the safflower stalk, pedicel and achene. It can realize safflower picking from aiming at flower and fruit picking filigree to mechanical blind picking, improving work efficiency and saving production cost.

The invention relates to the technical field of computer hardware auxiliary equipment, and discloses a mechanically automatic computer hardware keyboard cleaning device. The mechanically automatic computer hardware keyboard cleaning device comprises a pneumatic device; the interior of the pneumatic device is connected with a first connecting shaft in a sliding manner; the top end of the first connecting shaft is fixedly connected with a wedge-shaped block; the outer side of the wedge-shaped block is movably connected with a second connecting shaft; one end of the second connecting shaft is movably connected with a first connecting rod; the outer side of the first connecting rod is rotatably connected with a first connecting piece; a bracket is arranged on the outer side of the first connecting piece; and the top end of the bracket is movably connected with a first shell. According to the mechanically automatic computer hardware keyboard cleaning device, a keyboard is cleaned by connecting the pneumatic device and the first shell, so that the problem that the keyboard can only be cleaned manually in the installation of computer hardware or other processes; the artificial labor intensity is effectively reduced; the cleaning efficiency is high; use requirements can be met; and the operation is facilitated during cleaning.

The invention provides a solar unmanned aerial vehicle express distribution cabinet which comprises a cabinet body, a conveying cavity, a charging cavity, a rear cavity and a power cavity are formed in the cabinet body, an unmanned aerial vehicle mechanism is arranged in the charging cavity, a conveying mechanism is arranged in the rear cavity, and the left side and the right side of the conveyingcavity are each provided with an upper storage cavity and a lower storage cavity which are the same. The solar unmanned aerial vehicle express distribution cabinet is simple in structure and easy andconvenient to operate; the express distribution cabinet has a high integration degree, solar energy is used for power generation, an unmanned aerial vehicle is to be standby and charged in the charging cavity at ordinary times, when someone selects the unmanned aerial vehicle to deliver an express, the express cabinet can automatically convey objects in the selected container into a conveying boxcarried by the unmanned aerial vehicle, the unmanned aerial vehicle automatically flies to a designated place with the help of satellite positioning, after the objects in the conveying box are takenout manually, the unmanned aerial vehicle returns to a standby cavity along the original path to be charged, so that the full-automatic cargo selection and delivery functions are realized.

The invention discloses a malicious process detection method and device based on small sample learning, electronic equipment and a storage medium, and the method comprises the steps: obtaining a serialized log reflecting a process behavior of a client as an original sample, and taking each process behavior type as a label added by the original sample; performing feature selection on each original sample to remove redundant features; performing serialization processing on each original sample subjected to feature selection to obtain a behavior feature vector of a corresponding process; performing small sample learning by utilizing the behavior feature vector of the non-malicious process behavior to obtain a prototype network, wherein the embedded function input of the prototype network is the behavior feature vector; and carrying out malicious behavior process detection on a to-be-detected sample by utilizing the behavior characteristics of the malicious process and the prototype network obtained by learning. According to the detection method, the detection rate is high under the condition that the existing malicious behavior samples are small in data size and unbalanced in distribution.

The invention discloses a raw coal initial cleaning treatment process, and relates to the field of raw coal processing. The raw coal initial cleaning treatment process comprises the following steps of1, feeding raw coal; 2, primary screening of raw coal; 3, primary grading of raw coal; 4, primary rough separation of the gangue, uniformly conveying the coarse oversize products of the step 3 on conveying equipment, in the conveying process, and a control pushing device is used for pushing the gangue in the coarse oversize product to a buffer area; 5, primarily crushing; 6, performing magnetic screening and grading again; and 7, crushing again. The raw coal initial cleaning treatment process has the advantages that when raw coal is fed, meanwhile, the uniform feeding is guaranteed, the heating and drying and unfreezing are carried out, the water in the raw coal is removed, the raw coal caking blocks are scattered, and the screening of the subsequent raw coal is facilitated; the process is more labor-saving and convenient during rough separation of the gangue, the labor intensity of workers is reduced, the whole process realizes two-time iron removal for the raw coal, so that the quality of the finally crushed raw coal can be improved.

The invention discloses an online detection device for temperature stress accelerated aging of high-power LED whole lamp, belongs to the technical field of LED detection, and aims to solve problems that the measurement error of the whole lamp light flux maintenance rate of a high-power LED lamp is large, and the real process of online aging of the LED lamp cannot be reflected. The device at leastcomprises an accelerated aging unit, an optical detection unit, and a push transmission unit. The accelerated aging unit at least comprises a high-low temperature damp-heat box and a lamp pickup device; a test window in the horizontal direction is formed in the side wall of the high-low temperature damp-heat box, the lamp pickup device carries n sets of tested LEDs and drives the tested LEDs to rotate, and each set of tested LEDs is in sliding fit with the lamp pickup device in the horizontal direction. The test window and the rotary circumferences of the n sets of tested LEDs are oppositely arranged. The optical detection unit is communicated with the high-low temperature damp-heat box of the accelerated aging unit through the test window; and the push transmission unit pushes or pulls the set of tested LEDs which are rotated to the axis of the push-pull rod through the push-pull rod to enter or pull out of the optical detection unit through the test window.