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Harbin Institute Of Technology patents


Recent patent applications related to Harbin Institute Of Technology. Harbin Institute Of Technology is listed as an Agent/Assignee. Note: Harbin Institute Of Technology may have other listings under different names/spellings. We're not affiliated with Harbin Institute Of Technology, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "H" | Harbin Institute Of Technology-related inventors


Method and system of advertising

A method of advertising, the method including: 1) segmenting a source video into individual scenes using a clustering-based approach; 2) obtaining relevant information about objects in the video for each individual scene using region-wise convolutional characteristics based detection; 3) searching, in a database, for advertisement objects matching the objects using garment retrieval and a category-based strategy; 4) performing optimization processing of retrieved advertisement objects matching the objects to obtain a candidate advertisement; and 5) optimizing a distance between an advertisement and a target object and an area of overlapping regions between the advertisement and all objects; and 6) distributing the video that contains the candidate advertisement to a plurality of displays and displaying the video that contains the candidate advertisement on the plurality of displays.. . ... Harbin Institute Of Technology

Method and equipment for dimensional measurement of a micro part based on fiber laser with multi-core fbg probe

A method and equipment for dimensional measurement of a micro part based on fiber laser with multi-core fiber bragg grating probe are provided, wherein a multi-core fbg probe with fbgs (12,29) inscribed in the core or cores out of the center of the multi-core fiber is used to transform the two-dimensional or three-dimensional contact displacement into the spectrum shifts with a high sensitivity. At the meantime, the fbgs in the multi-core fbg probe (12,29) work as the wavelength selection device of the fiber laser, the wavelength of the fiber laser will change thereby. ... Harbin Institute Of Technology

Fabrication method of multi-core fiber bragg grating probe used for measuring structures of a micro part based on the capillary self-assemble technique

A fabrication method of the multi-core fiber bragg grating (fbg) probe for measuring structures of a micro part based on the capillary self-assembly technique, wherein the diameter of the fiber (6) inscribed with fbg is reduced using a mechanical method or an etch method by the hydrofluoric acid; the fibers (6) inscribed with fbg, whose diameter has been reduced, are inserted into a tube (7) through its terminal with an inner taper angle; the fbg terminals of these fibers (6) are immersed into the uv adhesive (10) of a low viscosity and the uv adhesive (10) is raised in the gaps between the fibers (6); or the uv adhesive is dropped on the these fibers (6) and the capillary bridge between the fibers (6) is formed; a most compact structure of the fiber bundle is formed as a result of the capillary self-assembly; the fiber bundle is cured using a uv light and the multi-core fbg (11) is therefore formed; the terminal of the multi-core fbg (11) is polished with an optic fiber polishing machine and then a spherical tip is fabricated with the melting fiber method or the installation method of a micro ball; therefore, a multi-core fbg (11) probe can be achieved. The method features low crosstalk between signal of fbg, inexpensive and low insertion loss.. ... Harbin Institute Of Technology

Pulverized coal gasification furnace with multi-level feeding of high speed circulating gasification agent and gasification method

A pulverized coal gasification furnace with multi-level feeding of high speed circulating gasification agent which includes a pulverized coal gasification furnace and a gasification method. The present invention solves the existing problems in short life of burner, uneven slag deposition on the surface of the gasification device which causes burning and corrosion, and uneven temperature distribution along the height direction. ... Harbin Institute Of Technology

Multi-type bga chip visual recognition method using line based clustering

A multi-type bga chip visual recognition method using line based clustering to solve the problems of bga inspection algorithms which have limited applicability, low flexibility caused by template matching, poor robustness to illumination and interferences and high time complexity. The method is based on: dynamic threshold segmentation of original image, morphological and connected component labelling; bga extraction based on grayscale connected component and building information list for all complete grayscale bga solder balls; building of bga solder ball label image; local analysis to determine the coarse orientation angle of equivalent bga array; determining equivalent bga solder ball clusters for each row and each column and the equivalent bga solder ball cluster for the boundary by line based clustering; obtaining an accurate orientation angle and center position of bga chip in the original image by line fitting of boundary bga solder ball clusters; and extracting different standard parameters of bga chips.. ... Harbin Institute Of Technology

Aero engine rotor air floatation assembling method and device based on gantry structure

An aero engine rotor air floatation assembling method and device based on a gantry structure belong to mechanical assembling technology. The present invention can effectively solve the problem of poor coaxality after the aero engine rotor is assembled and has the characteristics of high coaxality after the rotor is assembled, reduced vibration, mounting easiness, high flexibility and improved engine performance. ... Harbin Institute Of Technology

Process for forming hollow member with complicated cross-section

A process for forming a hollow member with a complicated cross-section wherein a section of a tube blank first undergoes a bending deformation due to its internal pressure and bend moment generated by the upsetting of an upper die, and is then compressed to be molded under the support of the internal pressure. The process of the invention does not require the reshaping step at an increased pressure. ... Harbin Institute Of Technology

Aero engine rotor assembling method and device based on concentricity and verticality measurement

An aero engine rotor assembling method and device based on concentricity and verticality measurement belongs to mechanical assembly technology. The present invention effectively solves the problem of poor coaxality after the aero engine rotor is assembled and has the characteristics of high coaxality after the rotor is assembled, reduced vibration, mounting easiness, high flexibility and improved engine performance. ... Harbin Institute Of Technology

High-power bi-directional non-recovery spring magnetic valve comprising permanent magnet

A high-power bi-directional non-recovery spring magnetic valve including permanent magnets has an upper magnetic circuit part and lower magnetic circuit part symmetrically disposed and connected together via an armature connection rod and a housing connection ring, the upper magnetic circuit part comprises an upper iron core, an upper housing, an upper coil, an upper annular permanent magnet, an upper yoke iron and an upper push rod, the lower magnetic circuit part comprises a lower iron core, a lower housing, a lower coil, a lower annular permanent magnet, a lower yoke iron and a lower push rod. The magnetic valve comprising permanent magnets realizes bistable-state magnetic retaining, and has an adjustable retaining force for permanent magnet adjustment, quick response, and high output force.. ... Harbin Institute Of Technology

Multi-period master-slave nested ring array electromagnetic shielding optical window having concentric rings

Optical windows based on a multi-period master-slave nested ring array of concentric rings are suited for electromagnetic shielding. A metal grid of the ring array has basic rings, concentric sub-ring pairs, secondary sub-rings, filling rings, concentric modulation ring pairs, and modulation sub-rings. ... Harbin Institute Of Technology

Electromagnetic shielding optical window based on array of rings and sub-rings having triangular and orthogonal mixed distribution

An optical window based on an array of rings and sub-rings having a triangular and orthogonal mixed distribution is suited for electromagnetic shielding. The array has metal rings of the same diameter acting as basic rings closely arranged according to an equilateral triangular and two-dimensional orthogonal square mixed arrangement and is loaded on an optical window transparent substrate surface. ... Harbin Institute Of Technology

Method and device for measuring dip angle of oppositely crossly placed paired quartered ring-quartered circle nested polar plates

A method for measuring a dip angle of oppositely crossly placed paired quartered ring-quartered circle nested polar plates. An annular coplanar capacitance measuring head of a sensor unit consists of four quarter round metal plates and four quarter circular-ring-shaped metal plates, the eight metal plates are coplanar and concentric with one another, and a quarter round metal plate and a quarter circular-ring-shaped metal plate corresponding to the same sector angle form a capacitor. ... Harbin Institute Of Technology

Aircraft engine rotor assembly method and device

Aircraft engine rotors traditionally have low coaxiality after assembly. This is solved by the methods and devices described herein, having advantages that the rotors have high coaxiality after assembly, reduced vibration, easy installation, high flexibility, and improved engine performance. ... Harbin Institute Of Technology

Five-degree-of-freedom adjustment and positioning method and apparatus for assembly/measurement of rotor and stator of aircraft engine

A five-degree-of-freedom adjustment and positioning method and apparatus for assembly/measurement of rotor and stator of an aircraft engine; said method comprises adjusting a plane motion and a rotation of a tested piece through composite motion comprising five degrees of freedom: a 360° rotatory motion around a z axis, a plane motion along an x axis and a plane motion along a y axis, a rotatory motion around the x axis and a rotatory motion around the y axis; said apparatus comprises: a clamping mechanism (1), a turning platform component (a), a translational platform component (b) and a rotational platform component (c). The present invention designs a five-degree-of-freedom adjustment and positioning method and apparatus having properties of large load bearing, high precision and high stiffness, thus improving assembly efficiency and measurement accuracy of the aircraft engine.. ... Harbin Institute Of Technology

01/12/17 / #20170010159

Real time birefringent imaging spectrometer based on differential structure

A real-time birefringent imaging spectrometer based on differential structure is provided. A polarization beam splitter to add an imaging branch is set. ... Harbin Institute Of Technology

01/05/17 / #20170001878

Method for efficiently preparing ferrate based on nascent interfacial activity

A method for efficiently preparing ferrate based on nascent state interfacial activity. The method is as follows: (a) preparing nascent iron solution; (b) adding an oxidizing agent to the iron solution of step (a); (c) adding alkali solution or alkali particles to the mixed solution of step (b), mixing by stirring, and carrying out solid-liquid separation; (d) adding a stabilizing agent to the liquid separated out in step (c), and thus obtaining ferrate solution. ... Harbin Institute Of Technology








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