367 results about "Technical design" patented technology

The invention discloses an unmanned surface vessel formation control method based on a leader follow-up structure. The method is used for multiple fully-driven unmanned surface vessel systems, and a formation control method based on a leader-follower is provided to prevent any follower from colliding and being kept in connection with a leader thereof. The method comprises following steps of establishing a dynamic model of an unmanned surface vessel; setting a position output tracking error constraint condition of a follower; designing a tracking error conversion function; applying the dynamic surface control technology and designing a virtual controller; designing a disturbance observer for compensating external unknown interference like wind wave flows; and constructively designing a tracking formation controller. According to the invention, it is ensured that any follower is always kept away from the leader thereof for a certain safe distance, and is in a communication connection range of the leader thereof; and by use of the dynamic surface control technology, accelerated speed of the leader is prevented from being used and practicability of a design scheme is improved.

A method for flying in a degraded visual environment comprising the steps of collecting environmental data, processing the data and fusing the data together into a combined input output. The output is fed into a head down display, head mounted or heads up display and, preferably to a fly-by-wire vertical take-off and landing capable vehicle wherein the fly-by-wire system makes automatic adjustments to the helicopter.

Provided is an architecture for a cryptography accelerator chip that allows significant performance improvements over previous prior art designs. In various embodiments, the architecture enables parallel processing of packets through a plurality of cryptography engines and includes a classification engine configured to efficiently process encryption/decryption of data packets. Cryptography acceleration chips in accordance may be incorporated on network line cards or service modules and used in applications as diverse as connecting a single computer to a WAN, to large corporate networks, to networks servicing wide geographic areas (e.g., cities). The present invention provides improved performance over the prior art designs, with much reduced local memory requirements, in some cases requiring no additional external memory. In some embodiments, the present invention enables sustained full duplex Gigabit rate security processing of IPSec protocol data packets.

The invention discloses a low-pressure core assembly casting technique for V6 aluminum cylinder-block of engines, which is used for casting V6 aluminum cylinder-block of automobile engines. The casting technique adopted combines a low-pressure casting method and a core assembly method; the three-dimensional modeling of products is firstly carried out; according to the shape of the cast product, a crankcase is determined to be downwards and the aluminum liquid is let in from the baffle of the crankcase during casting course; the position of the sprue is selected and the size of the sprue is determined; a casting simulation software is adopted to carry out a simulation casting, the defects that are possible to occur are analyzed and a technical design scheme is made according to the analytic result, which essentially comprises the steps of : 1) making cores; 2) combining sand cores into a sand core group (6); 3) casting under low pressure. The casting technique of the invention can adopt flexible core assembly modes according to different shapes of engine blocks to produce aluminum cylinder-block cast products which are complex and of fine quality and has thin wall, meanwhile, the casting technique is applicable to the mass production with automatic production lines, thus having the advantages of low cost, high efficiency and high qualification rate.

The invention discloses a device for measuring object stress by utilizing a graphene membrane, and a preparation method and a testing method of the device. The testing method is characterized in that graphene is arranged on a flexible stretchable substrate by utilizing a growth and transfer technology of the graphene and is tightly adhered to the surface of a to-be-measured object or a single crystal silicon substrate which is provided with a through hole, a characteristic peak of a Raman spectrum of the graphene can be subjected to shifting and splitting when the to-be-measured object is subjected to deformation or gas pressure difference exists between the internal part and the external part of the through hole, and sensing on strain or gas pressure can be realized basing on shifting and splitting amount of the characteristic peak. According to the device, the preparation method and the testing method, disclosed by the invention, the technical design is simple, the performance is stable, non-contact with the to-be-measured object is realized, and the complexity of an electrical measurement method which is in need of arranging leading wires can be avoided; the strain loading range is large, and the stress measurement accuracy degree is high.

The invention provides a theoretical design and technical design of cell-free protein synthesis for DNA replication, transcription and translation coupling, a preparation, a kit and a preparation method. Specifically, with the application of the in-vitro cell-free synthesis system provided by the invention, complex protein can be synthesized, and moreover, DNA and mRNA can be synthesized; and effective, high-throughput and quite convenient protein synthesis can be completed with the use of a DNA template by a minute quantity (nanogram-microgram).

The invention relates to a laser shaping method of a multi-scale functional surface of micronano for semiconductor material, relating to micronano material preparation and laser micromachining technical field; the invention aims at providing a method and a device for preparing femtosecond laser of super-hydrophobic functionalization for microstructural surface based on the semiconductor material and through the systematically technical design of multi-scale surface micro-shaping and microstructural surface processing, and realizing optional and controllable preparation of semiconductor material surface having multi-scale microstructure such as micron, submicron and nano. The invention solves the technical problems such as high cost, low efficiency and difficult operation in traditional preparation methods of microstructural surface with super-hydrophobic function.

The invention discloses a preparation method of a titanium-steel single-sided composite board, comprising the following processing steps of: (1) respectively selecting two titanium plates with same size and two steel plates with same size and carrying out rust and oxide layer removal treatment on the surfaces of the plates; (2) assembling to form multiple layers of symmetrical combined blank sequentially including a steel plate, a transition layer, a titanium plate, a parting agent, a titanium plate, a transition layer and a steel plate, wherein a gap exists between the periphery of the titanium plate and a barrier strip in the combined blank; (3) compressing the combined blank and respectively welding the barrier strip with a first steel plate and a second steel plate to form a closed cavity among the first steel plate, the second steel plate and the barrier strip, drilling holes in the barrier strip and welding a steel tube in the holes, and communicating the steel tube and the closed cavity; (4) conveying the combined blank into a heating furnace to heat and vacuumizing; (5) sealing the outer end of the steel tube and then conveying the combined blank into a rolling mill; and (6) cutting the combined blank after rolling to obtain the titanium-steel single-sided composite board. The preparation method disclosed by the invention is rational in technical design and low in production cost.

The invention discloses a fine forging forming method of spiral bevel gears, comprising the steps of: preparing for a material bar satisfying technical design requirements; heating the material bar to 1150-1180 DEG C; upsetting and punching as well as ring-enlarging the material bar on a press; pre-forging and forming in a pre-forging die on a multistage hot die forging press to obtain a pre-forging blank with pre-forging teeth, wherein the curved tooth spiral angle beta of the pre-forging die is 8-12 degrees smaller than that of a finish forging die; arranging the pre-forging blank on the multistage hot die forging press, and finish-forging and forming in the finish forging die; after a spheroidizing annealing treatment, cleaning the surface by sand-blasting, and phosphating and saponifying the surface; and finishing tooth profiles at normal temperature in a hydraulic machine. The method provided by the invention adopts a gradually forming manner consisting of pre-forging first and finish forging at last, therefore, the radial flow of the blank is greatly reduced, the side pressure of the blank to the tooth profile die cavity is reduced, the tooth profiles of the curved teeth of the forging die are prevented from being damaged, the service life of the forging die is prolonged, the production efficiency is improved, and the production cost can be efficiently reduced.

The aim of the invention is to obtain great final ballistic effectiveness of fragmentation bullets and warheads regardless of the impact speed while using as little explosive material as possible. Said aim is achieved by combining explosive shell (3) with a damming inner member (4) in connection with an accelerated outer jacket (2). This arrangement results in the best possible conversion of the explosive energy while offering great creative flexibility regarding the design. A wide range of additional possible effects is created by blast-compacting the inner damming member (4). Furthermore, the shape of the inner damming member allows the fragments to obtain a directionally controlled effect. Depending on the caliber and technical design, the amount of explosive material used can be reduced by 50 to 80 percent compared to conventional explosive bullets at comparable fragment speeds or sub-bullet speeds. The explosive material economized is available as additional effective mass. The accelerated jacket (2) can also be entirely or partly composed of preformed fragments or sub-bullets.

Methods and systems are disclosed for developing a software application through requirements specification, design, effort estimation, assigning and tracking work items, development, testing, collaboration and project management. The system is structured as an integrated software development system allowing for structured, systematic and user friendly set up of requirements specification (including workflow, user interface, business rules and integrations), technical design for UI features and integrations using design patterns, automated effort estimation, automated story card and task creation. The system also provides a novel, audio-video playback capability for workflow visualization. Further, the system provides visual depiction of defects and changed items side-by-side with requirements, as well as predictive modeling of defects that allows for forecasting of defect completion rate. In the preferred embodiment, the system is delivered as a multi-tenant Software as a Service.

The invention discloses a design technology for an object-level personalized vertical search engine. The basic idea of an algorithm is that: related web pages on the Internet are acquired by an adaptive vertical crawler technology, data is subjected to a series of objectification processing such as semantic analysis, extraction, integration and the like, objectified information on the Internet is acquired, and a personalized object ordering result is returned to each user in a search engine mode. The original page data is highly purified and organized by the search engine designed by the technology through a data mining technology, so that the quality of the data is ensured, and the inclusion of illegal information is controlled to the greatest extent. In addition, by a personalized search recommendation technology, the consumption preference of each user can be accurately determined, and the query intention of each user is understood. The object-level personalized vertical semantic search engine is subjected to integrated innovation on the basis of fully learning and absorbing the advantages of semantic search, object-level search and personalized search technologies, and completely accords with the development direction of a next-generation search engine.

The systems and methods of the present invention enable users to identify whether a composition of matter, technical design, product, service, component, technology, feature, business model or any other item may have intellectual property issues associated therewith. The present invention includes a set of screens, filters, comparison sheets, and/or questionnaires (referred to generically as screens) which are derived from patent claims and used to evaluate whether a composition of matter, technical design, product, service, component, technology, feature, business model or any other item may have intellectual property issues associated therewith. The present invention further comprises systems and methods designed to help groups of people, in a collaborative environment, manage the use of screens.

The invention provides a super-high-strength medium-Mn automobile steel plate with excellent plasticity and a preparing method thereof and belongs to the technical field of production of third-generation steel plate rolls for automobiles. The super-high-strength medium-Mn automobile steel plate comprises the following chemical components in a percent: 0.3-0.5wt% of C, 8-12wt% of Mn, 1.8-3.5wt% of Al, 0.25-0.7wt% of V, smaller than or equal to 0.008wt% of P, smaller than or equal to 0.08wt% of S and the balance of Fe and unavoidable impurities. Through reasonable chemical components and technical design, a comprehensive application strengthened by various mechanisms, such as precipitation strengthening, deformation induced phase change strengthening and twinning strengthening, is realized, thereby obtaining super-high strength. Through hot rolling, acid pickling, warm rolling and cover annealing technologies, the steel plate with more than 1500MPa tensile strength and 20-40GPa.% static toughness can be obtained; and otherwise, the cold-rolled steel plate with more than 1200MPa tensile strength and 35-65GPa.% static toughness can be obtained through hot rolling, hot rolling annealing, acid pickling, cold rolling and continuous annealing technologies.

The invention discloses a producing method for a three-dimensional craft of a final product assembly. The method comprises the following steps: introducing product EBOM and three-dimensional model (containing MDB information) into a three-dimensional assembling technical design environment; performing light weight treatment on the three-dimensional model in the technical design environment; reconstructing on the PBOM according to the links of subassembly, butt-joint and test line and the assembling level, sequence and division in each link; adding an assembling virtual part according to the requirement and lastly generating MBOM; confirming an assembling sequence and an assembling path on the MBOM; establishing processes and steps and distributing the parts in the MBOM into each process and step; establishing a three-dimensional model snapshoot and labeling for the mounting content of each assembling component; adding the information, such as, assembly equipment, technical accessory, operation demand, and finishing the editing for a technical file.

The invention relates to a preparation method of a bonded gold-silver alloy wire, and belongs to the technical field of bonded wire processing processes. The bonded gold-silver alloy wire comprises the following metal materials by weight: 20-30% of silver, 5-1000 ppm of palladium, 5-1000 ppm of calcium, 5-1000 ppm of beryllium, 5-1000 ppm of cerium and the balance of gold; the preparation method comprises the following steps: 1), preparing materials; 2) smelting an alloy ingot; 3) pulling and casting an alloy rod; 4) wire-drawing; 5) annealing; 6) coiling; and 7) packaging. The preparation method of the bonded gold-silver alloy wire, provided by the invention, has the advantages of reasonable and standard technical design, and simple operation, the produced bonded gold-silver alloy wire has the advantages of strong conductivity, stable chemical performance, good oxidation resistance, flowability and plasticity, higher breaking force and better elongation, and moderate cost, and requirements of semiconductor package industry and LED (Light Emitting Diode) illumination technology on the performances of the bonded gold-silver alloy wire can be completely satisfied.

The invention discloses a chemical processing method, and in particular discloses a method for recovering and reusing saponified waste water generated by a chlorohydrination method. The invention uses the novel film method and the salt and water recovering and reusing method to process the saponified waste water generated by a chlorohydrination method, and the technical designs, such as gas flotation, crystallizing prevention, ceramic film filtration, heat exchange, electrodialysis concentration, vaporizing recovery and the like are applied in the method. The invention has the advantages that the zero discharge of the waste water is basically realized, the salt and the water can be recovered, the small land area is occupied, the running expense is low, and the economic and social benefits are high. The invention can be widely used in the factories using the chlorohydrination method for producing propylene oxide.

The invention belongs to the field of security technologies and relates to an intelligent analysis and retrieval method for video surveillance and a system thereof. The intelligent analysis and retrieval method for video surveillance and the system thereof resolve the technical problems that an existing technology design is not reasonable enough and the like. The intelligent analysis and retrieval method for video surveillance comprises the following steps: (1) video enhancement and (2) video retrieval, wherein the step of the video retrieval comprises dynamic analysis, coding recombination, result marking and behavior analysis. A dynamic analysis module is connected with a coding recombination module. A result marking module and a behavior analysis module are both connected with the coding recombination module. A video enhancement module is connected with the dynamic analysis module or the coding recombination module. The intelligent analysis and retrieval method for video surveillance and the system thereof have the advantages of combining image enhancement, retrieval compression, intelligent analysis and abstract statistics into one, embodying five characteristics of being advanced, high-efficiency, reliable, convenient and practical in use, achieving the enhancement of video images, the retrieval and compression of video documents, the intelligent analysis of behaviors of people and automobiles, and the like, thus obtaining the needed information rapidly and accurately and being capable of providing strong and effective criminal investigation supports for public security officers to scout and solve a case.

Pain caused by plantar fasciitis is usually accompanied by heel pain and arch pain or forefoot regions are possibly most painful when you first attempt to stand or walk. There are also many other painful conditions of the feet that could be cause from the foot discomfort in footwear composition or technical designed. The present invention is footwear consisting composition method to disperse an exertion of force such as pressures recess of the foot relating above painful conditions. Said it mean of relieving foot strain in the advantage of composition interior cushiony sole that it insert to inside of an outer element composed in corresponding cushiony sole of others in advantage of pain reliever or shocks absorption. FIG. 2 preferred an embodiment to accomplish of present invention. Top layer A preferred to top fine adhered above Pref. C layer cast wherein cauterized in midsection pref. B inside sole series attachment construct outer layer pref. D consisting resistance outer impact.

The invention discloses a high-brightness release paper, and a preparation method and applications thereof. The high-brightness release paper is composed of base-material-layer base paper (1), a film layer (2), an adhesive layer (3), a film layer (4) and a release layer (5), wherein the film layer (2) is sprayed on one side of the base paper (1), the adhesive layer (3) is coated on the other side of the base paper (1), the film layer (4) is attached to the adhesive layer (3), and the release layer (5) is coated on the film layer (4). The high-brightness release paper of the invention has favorable surface smoothness and residual adhesion force. The adhesive sticker prepared from the release paper of the invention has favorable adhesive surface smoothness, and thus, the invention can solve the technical problem of inadequate adhesive surface smoothness (blushing) of the adhesive stickers. The preparation method of the release paper has the advantages of reasonable technical design, high operability, high production efficiency and high finished-product pass rate, and can realize industrial mass production.