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98results about How to "Reduce the number of corrections" patented technology

A pedestrian search method and device based on a priori candidate box selection strategy

ActiveCN109165540AFix the issue that the size is not suitable for pedestrian searchReduce the number of correctionsBiometric pattern recognitionFeature vectorEuclidean vector
The invention discloses a pedestrian search method and device based on a prior candidate frame selection strategy. The method comprises the following steps: constructing a pedestrian candidate frame eigenvector according to the length and width of all pedestrian boundary frames in the training set, including two elements of the aspect ratio and the length; through a k-means + + algorithm, selecting the initialization clustering center; using the k-means algorithm for iterative clustering, and obtaining a priori candidate box after clustering; inputting the pedestrian images in the training setinto a pre-defined pedestrian search network, generating the candidate pedestrians by using a priori candidate boxes and recognizing the pedestrian identity, and obtaining the trained pedestrian search network by training; training pedestrian probes and surveillance scene images through the pedestrian search network to obtain pedestrian probes features and candidate pedestrian features in the surveillance image, and by calculating the similarity of the two features, locating the pedestrian probes in the surveillance image and its specific location. The invention can effectively improve the precision and speed of pedestrian search.
Owner:深圳市感动智能科技有限公司 +1

Walking type jacking construction method and device for large-span reinforced concrete combined beams

The invention provides a walking type jacking construction method and device for large-span reinforced concrete combined beams. The walking type jacking construction method comprises the following steps that temporary piers are arranged between all main piers of a bridge girder; a jacking device and two bearing beams are installed on each temporary pier, wherein each jacking device is arranged between the corresponding two bearing beams; the reinforced concrete combined beams are arranged on the bearing beams of the temporary piers; the jacking devices carry out upward jacking in place and make contact with the bottoms of the reinforced concrete combined beams; the jacking devices continue to carry out upward jacking, jack the reinforced concrete combined beams and break away from the bearing beams; the jacking devices are pushed forward and drive the reinforced concrete combined beams to move forward by a set stroke; the jacking devices descend so that the reinforced concrete combined beams can be arranged on the bearing beams of the temporary piers in a supporting mode again; the jacking devices continue to descend to the initial positions and are pushed backwards to the initial positions, so that a jacking stroke is finished; the above steps are conducted repeatedly until construction of the whole bridge girder is completed. According to the walking type jacking construction method and device for the large-span reinforced concrete combined beams, manpower, material resources and financial resources are saved on the premise of guaranteeing the construction period; meanwhile, the walking type jacking construction method and device for the large-span reinforced concrete combined beams have the advantages that construction and operation are convenient, safety and reliability are realized, efficiency is high, the construction period is short, and the comprehensive cost is low.
Owner:SHANGHAI TUNNEL ENG CO LTD +3

Die forging process and special die for final stage blade of large half-RPM (Revolution per Minute) nuclear turbine

The invention provides a die forging process for a final stage blade of a large half-RPM (Revolution per Minute) nuclear turbine. The die forging of only single forging die is required to ensure the die forging forming of a blade forge piece, so that the manufacturing cost of the blade is reduced, the die forging cycle is shortened, and the processing efficiency is improved; moreover, the correction times inside the die of the blade forge piece is effectively reduced, and the production capacity of forging is increased. The invention has the technical scheme comprising the following steps of: upsetting a bar by using an oil press, stretching the bar in radial direction to prepare a blank, and forging the stretched blank in a forging die for forming; then, thermally cutting off the flashing fins for the die forging, and thermally correcting for the die forging; and finally, thermally treating. The process is characterized in that the radial stretching for preparing the blank adopts an electro-hydraulic hammer to carry out free forging and stretching to prepare the blank, and the blank is optimized into the structure with most circular cross sections and partial flat square cross sections. The invention also provides a special die which comprises an upper die and a lower die, wherein the four corner endss of the upper die are provided with guide pillars, and the lower die is correspondingly provided with guide sleeves. The special die is characterized in that the outer sides of the die cavities of the upper die and the lower die are side upright wall structures which are mutually overlapped, and the guide pillars and the guide sleeves are respectively arranged on the side upright wall structures of the upper die and the lower die.
Owner:WUXI TURBINE BLADE

Fast and accurate medical service method and system for patients

The invention discloses a fast and accurate medical service method and system for patients. The method comprises steps of establishing a medical database, receiving requests, waking up medical treatment-needing person service, making an appointment, initial diagnosis and diagnosis result feedback. The system comprises a server storage module, a medical treatment-needing person client module, an appointment selection determination module, a medical staff client module, a communication module, a voice input processing module, a text input module, a query archiving keyword generation module, a screening retrieval result generation module and a feedback module. The method and the system are advantaged in that problems that the medical procedure is cumbersome and difficult to register in the prior art can be solved, medical service efficiency and portability can be effectively improved, the waiting time is reduced for medical treatment-needing persons, the medical care pressure is alleviated, the accurate and efficient self-service is achieved through the Internet technology, and properties of high system intelligence degree, advanced and scientific methods, relatively high practical value and broad application prospects are further achieved.
Owner:HEFEI TONGYOU ELECTRONICS TECH CO LTD

Intelligent work piece correcting system and correcting method thereof

This invention relates to a kind of intelligence workpiece corrective system and its correcting method , includes the working table, PC machine, controller, strike hammer, one end of the said working table sets up signal collection device, the said signal collection device includes the scan device and processor connected mutually, PC machine links with the processor of the said signal collection device, the controller includes actuating mechanism and treatment element connected mutually, the treatment element of the controller links with the said PC machine, the actuating mechanism of the said controller links the strike hammer. And this system has adopt automation treating , has resolved the correcting problem of the cosh material and specially appointed stick type workpiece geared to the needs of medium-sized and small enterprises, has improved the production efficacy, and the system has decreased the correcting number of the workpiece on maximal degree, has removed various unnecessary treating error; On the other hand, has changed the tradition work manner that the scene work of the worker, has realized the long-range supervisory control to deformation workpiece, has kept away the noise and other bad factor's damage effect to the human body.
Owner:SOUTH CHINA UNIV OF TECH

Optimization method and optimization device for billet heating model and electronic equipment

The invention discloses an optimization method for a billet heating model, which comprises the following steps: carrying out combustion calculation, and determining the combustion load, flue gas temperature and flue gas flow of a heating furnace; determining the segmented furnace temperature of the heating furnace according to the combustion load, the flue gas temperature and the flue gas flow; conducting heat transfer calculation according to the segmented furnace temperature, and determining the billet final temperature Tz, the billet segmented specific heat Cpj, the billet segmented heat conduction coefficient lambda j and the billet heating time t; performing billet heating temperature field simulation by adopting a finite difference iteration method to obtain a billet heating calculation model; heating the steel billet according to the steel billet heating calculation model to obtain actual temperature rise data of the steel billet; correcting the billet heating calculation modelaccording to the billet heating calculation model and the actual temperature rise data; according to the optimization method, combustion, heat transfer, billet temperature field simulation and a heating model correction process are integrated, and effective control over billet heating temperature and quality is achieved.
Owner:SHOUGANG CORPORATION

Method for diagnosing oil (gas) production position of fishbone-shaped multi-branch horizontal well and system thereof

The invention relates to a method for diagnosing an oil (gas) production position of a fishbone-shaped multi-branch horizontal well. The method comprises the following steps: measuring bottom hole pressures within a period of well closure time to obtain a change relation of a bottom hole pressure difference and time; determining an initial parameter of a pressure monitoring interpretation model according to logging well completion data and the flow monitoring results of a part of branch wells; and comparing whether the change relation of the bottom hole pressure difference and time is equal to a preset relation, if so, executing a next step, and if not, correcting the change relation to obtain an actually measured pressure calculation parameter, so as to diagnose the length, the position and the flow of each oil (gas) production branch well. The invention further relates to a diagnostic system, comprising a pressure measurement unit, a judgment unit, a pressure calculation parameter processing unit, a pressure monitoring control unit, a logging well completion data processing unit and a flow monitoring result processing unit of a part of branch wells. The method and the system are used for directionally regulating well stimulation by considering the influence of oil production or gas production nonuniformity of the branch wells.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)

Multifunctional combined grinding machine for valve

The invention discloses a valve multifunctional combined grinding machine, which comprises a machine base and a protective cover. The protective cover is installed on the upper part of the machine base. Heat exchangers and oil mist recovery devices are installed at the electrical cabinets on both sides of the top of the protective cover. There is a control panel at the top, and the two sides in the middle of the top of the machine base are respectively equipped with a material conveying assembly, an upper and lower arm assembly, a servo motor and a feeding slide assembly. There is a gear corresponding to the rack. The motorized spindle assembly is installed on the top of the machine base between the two conveying assemblies. The electric spindle assembly is equipped with a grinding wheel. The guide wheel assembly, the feed slide assembly on the other side of the top middle of the machine base is equipped with an oil-proof assembly on the back of the grinding wheel corresponding to the grinding wheel, and the station rotation assembly is installed on the material delivery assembly on the middle side of the top of the machine base. Seven processes Completed at one time, the tolerance control is unified, and the yield of the product is improved.
Owner:SUZHOU TIANZHIJIAO PRECISION MACHINERY CO LTD

Method and device for quickly planning flight path of intelligent aircraft under multiple constraint conditions

The invention provides a method and a device for quickly planning a flight path of an intelligent aircraft under multiple constraint conditions. The method comprises the following steps: controlling the intelligent aircraft to fly out from a starting point; setting constraint conditions of the intelligent aircraft; constructing a cost function according to the constraint condition; updating boundary conditions, and determining a search range according to the boundary conditions; searching an optimal node according to the search range and the cost function; controlling the intelligent aircraftto fly to the optimal node; judging whether the Euclidean distance between the optimal node and the terminal point is smaller than the constraint distance or not; if so, taking the current optimal node as an end point, and controlling the intelligent aircraft to fly to the end point; otherwise, returning to the step of constructing the cost function according to the constraint condition. Therefore, the method has the advantages that the searching is more targeted and planned, the time complexity caused by continuously and blindly iteratively searching the optimal node is further saved, the searching is higher in effectiveness and lower in complexity, and the correction times can be sought as few as possible while the minimum track length is sought.
Owner:CHANGZHOU MICROINTELLIGENCE CO LTD

Numerical control processing method and special processing fixture for inertial platform body

The invention relates to a numerical control processing method and a special processing fixture for an inertial platform body. The special processing fixture comprises a fixture A and a fixture B. The numerical control processing method comprises the following steps: (1) mounting and adjusting bases of the fixture A and fixture B; (2) processing a reference surface, a positioning surface and a positioning hole of the inertial platform body; (3) processing the positioning surface, a positioning slot and other parts of the inertial platform body; and (4) processing other surfaces of the inertial platform body. The invention provides a processing method and a processing tool capable of conveniently clamping and quickly adjusting. By adopting CAM (Computer Aided Manufacturing) programming, the processing method and the processing tool have the advantages of easy processing, centralized processes, low production cost, high production efficiency, high processing precision and the like. By adopting the processing method provided by the invention, the defects of the prior art, such as long processing time of a single piece, low efficiency, high manufacturing cost and the like, are overcome, and the process flow and the manufacturing time of the platform body can be greatly reduced. By twice clamping and positioning, the processing for all the surfaces of a part along six directions is finished on a double operating platform horizontal type processing center.
Owner:TIANJIN NAVIGATION INSTR RES INST

Adjustable reserved hole constructing mold and constructing method

The invention discloses an adjustable reserved hole constructing mold and constructing method. The adjustable reserved hole constructing mold comprises an outer mold, a horizontal bottom plate and an upper covering plate, wherein the horizontal bottom plate is located at the bottom of the inner side of the outer mold, the upper covering plate is installed on the upper part of the outer mold in a covering mode, and the upper covering plate is a round covering plate; the outer mold comprises a vertical cylinder, a horizontal base plate and an annular covering opening; and an eccentric hole is formed in the horizontal bottom plate for passing through of installed pipelines. The adjustable reserved hole constructing method comprises the following steps of step 1, supporting formwork of a cast-in-place slab; step 2, surveying a line of the pipeline installing position; step 3, fixing of the outer mold; step 4, constructing of the cast-in-place slab; step 5, installing of the horizontal bottom plate; step 6, installing of the pipeline; and step 7, sealing and blocking of a hole opening. According to the adjustable reserved hole constructing mold and constructing method, design is reasonable, construction is simple and convenient, and the using effect is good; and the position of through-floorslab pipeline can be adjusted through the horizontal bottom plate with the eccentric holes to guarantee installing precision of the pipeline, and the problems, existing in current reserved hole construction, that working process is complex, potential safety hazards exist in high altitude formwork supporting, and sealing and blocking quality of the hole opening is hard to be guaranteed can be effectively solved.
Owner:陕西建工第十一建设集团有限公司
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