公开(公告)号：US20200273717A1

公开(公告)日：2020-08-27

申请号：US16800689

申请日：2020-02-25

Applicant: HARBIN INSTITUTE OF TECHNOLOGY

Inventor： BING DAI ,  JIWEN ZHAO ,  JIAQI ZHU ,  LEI YANG ,  WENXIN CAO ,  KANG LIU ,  JIECAI HAN ,  GUOYANG SHU ,  GE GAO ,  KAILI YAO ,  BENJIAN LIU

IPC: H01L21/48 ,  H01L21/02

Abstract: Direct growth methods for preparing diamond-assisted heat-dissipation silicon carbide substrates of GaN-HEMTs are disclosed. In an embodiment, the direct growth method includes the following steps: (1) etching holes in a surface of a silicon carbide substrate to produce a silicon carbide wafer; (2) ultrasonic cleaning the produced silicon carbide wafer; (3) establishing an auxiliary nucleation point on a surface of the silicon carbide wafer; (4) depositing a diamond layer; (5) removing the portion of the diamond layer on the upper surface while retaining the portion of the diamond layer in the holes; (6) ultrasonic cleaning; and (7) depositing diamond in the holes on the silicon carbide wafer until the holes are fully filled.

公开(公告)号：US20200217223A1

公开(公告)日：2020-07-09

申请号：US16375204

申请日：2019-04-04

Applicant: Harbin Institute of Technology

Inventor： Jiubin TAN ,  Chuanzhi SUN ,  Yongmeng LIU

IPC: F01D25/28 ,  G06N3/12 ,  G06F17/16 ,  G06N7/00

Abstract: The present invention provides a method for distributing relative gap parameters of large-scale high-speed rotary equipment components based on eccentricity vector following measurement and adjustment. According to the present invention, a propagation process of location and orientation errors of rotors and stators of an aero-engine during assembly are analyzed, a propagation relationship of eccentricity errors after n-stage rotor and stator assembly is determined, and a coaxiality prediction model after multi-stage rotor and stator assembly is obtained; and the relative concentricity and relative runout of the rotors and stators can be further obtained by using an offset of the rotors and stators, thereby implementing the calculation of a relative gap; thereafter, a dual-objective optimization model for multi-stage rotor and stator coaxiality and relative gap amount based on an angular orientation mounting position of all stages of rotors and stators is established, the angular orientation mounting position of all stages of rotors and stators is optimized by using a genetic algorithm, to obtain an optimal mounting phase of all stages of rotors and stators; and finally, relative gap parameters of the rotor and stator can be distributed by using a probability density method.

公开(公告)号：US10663953B2

公开(公告)日：2020-05-26

申请号：US16052627

申请日：2018-08-02

Applicant: HARBIN BO QIANG ROBOT TECHNOLOGY CO., LTD. ,  HARBIN INSTITUTE OF TECHNOLOGY

Inventor： Minxiu Kong ,  Wenbiao Zhou ,  Yanqin Zhang

IPC: G05B19/416 ,  B25J9/16 ,  H04L29/06

Abstract: A transmission system for converting a signal of a 9-channel encoder into a 1000 Mbps PHY signal, includes a PHY chip circuits U1 and U2, digital photocouplers U3˜U11, 485 transceivers U12˜U20, RJ45 isolation transformer-integrated jacks J1 and J2, a field programmable gate array (FPGA) chip circuit, an electronic propulsion control system (EPCS) configuration chip circuit, a Jtag interface and SM-6P-PCB jackets J3˜J11, wherein two-channel MII digital signal output and input ends of the FPGA chip circuit are respectively connected with MII digital signal input and output ends of the PHY chip circuits U1 and U2; differential data signal output and input ends of the PHY chip circuits U1 and U2 are respectively connected to the RJ45 isolation transformer-integrated jacks J1 and J2, and a master station and a slave station are arranged at the same time.

公开(公告)号：US10604430B2

公开(公告)日：2020-03-31

申请号：US16228911

申请日：2018-12-21

Applicant: HARBIN INSTITUTE OF TECHNOLOGY

Inventor： Guojun Xie ,  Shengqiang Fan ,  Nanqi Ren ,  Bingfeng Liu ,  Defeng Xing ,  Jie Ding

IPC: C02F3/28 ,  C02F3/30 ,  C02F3/00

Abstract: The present invention discloses a novel membrane aerated anaerobic granular sludge reactor, belonging to the technical field of sewage treatment. The reactor solves the problems of low solubility of gas substances in an aqueous solution, large gas-liquid mass transfer resistance and low mass transfer rate. The top of a reactor body is provided with a water outlet, and the middle side wall of the reactor body is provided with a middle water outlet; the middle water outlet of the reactor body is connected with an water inlet of a membrane module; an water outlet of the membrane module is connected with a bottom water inlet of the reactor body through a circulating pump, a water inlet is connected with the bottom water inlet of the reactor body through a feed pump, a high pressure or pressurized gas cylinder outputs high pressure or pressurized gas to the membrane module, and a gas pressure regulating valve is arranged between the high pressure or pressurized gas cylinder and the membrane module. The novel membrane aerated anaerobic granular sludge reactor improves the content of a gas substrate therein, and shortens the formation time of granular sludge. The efficient nitrogen removal and greenhouse gas emission reduction method has higher nitrate and ammonia removal rates and a higher dissolved methane removal rate within a shorter time.

公开(公告)号：US20200030834A1

公开(公告)日：2020-01-30

申请号：US16512089

申请日：2019-07-15

Applicant: Harbin Institute of Technology

Inventor： Huijun GAO ,  Zhengkai LI ,  Xinpeng LIU

IPC: B05B13/04 ,  B05B13/02 ,  B05B15/70 ,  G06F17/50 ,  G06F17/16

Abstract: An optimization approach for placement heads tasks assignment of beam-type single-gantry surface mounter is disclosed, building a comprehensive framework that simultaneously achieves all optimization objectives in reasonably short time. Specific steps are as follows: (a) importing user-defined production parameters and forming raw production data, (b) pre-processing the raw production data and obtaining the intermediate production data that facilitates the subsequent processing, (c) verifying the loop condition of the “placement heads tasks assignment”, (d) performing nozzle assignment, (e) confirming all the nozzle assignment exchange possibilities, (f) verifying whether the loop condition of “component allocation” are fulfilled, (g) performing component allocation, and (h) outputting the optimal placement heads tasks assignment results.

公开(公告)号：US20200019817A1

公开(公告)日：2020-01-16

申请号：US16058018

申请日：2018-08-08

Applicant: Harbin Institute Of Technology

Inventor： Lianlei LIN ,  Jingli YANG ,  Chang'an WEI ,  Zhuxu ZHOU

IPC: G06K9/62

Abstract: The present invention discloses a superpixel classification method based on semi-supervised K-SVD and multiscale sparse representation. The method includes carrying out semi-supervised K-SVD dictionary learning on the training samples of a hyperspectral image; using the training samples and the overcomplete dictionary as the input to obtain the multiscale sparse solution of superpixels; and using the obtained sparse representation coefficient matrix and overcomplete dictionary to obtain the result of superpixel classification by residual method and superpixel voting mechanism. The proposing of the present invention is of great significance to solving the problem of salt and pepper noise and the problem of high dimension and small samples in the field of hyperspectral image classification, as well as the problem of how to effectively use space information in classification algorithm based on sparse representation.

公开(公告)号：US20190156915A1

公开(公告)日：2019-05-23

申请号：US16255857

申请日：2019-01-24

Applicant: SHENZHEN UNIVERSITY ,  HARBIN INSTITUTE OF TECHNOLOGY SHENZHEN GRADUATE SCHOOL

Inventor： Yong Zhang ,  Wei He ,  Yong Xu ,  Dongning Zhao

IPC: G16B20/30 ,  G06N20/00 ,  G06N5/04

Abstract: The invention provides a method, apparatus, device and storage medium for predicting a protein binding site. The method comprises the steps of: receiving a protein sequence to be predicted, dividing the protein sequence by using a preset sliding window and sliding step to obtain a plurality of amino acid sub-sequences, building word vectors for the protein sequence according to the amino acid sub-sequences, extracting document features from word elements, building document feature vectors for the protein sequence according to the extracted document features, extracting protein chain biological features from the amino acid sub-sequences, building biological feature vectors for the protein sequence according to the extracted biological features, classifying the amino acid sub-sequences expressed with the document feature vectors and the biological feature vectors by using a preset amino acid residue classification model to obtain amino acid residue types for the protein sequence.

公开(公告)号：US20190109437A1

公开(公告)日：2019-04-11

申请号：US16087433

申请日：2016-05-31

Applicant: QINGDAO HAIER SMART TECHNOLOGY R & D CO., LTD ,  HARBIN INSTITUTE OF TECHNOLOGY

Inventor： Jingfeng TANG ,  Liqiu WEI ,  Daren YU ,  Yongtao WANG ,  Lichen ZHANG ,  Jian LI ,  Jingjing WANG ,  Zhuang MA ,  Linqiang TANG

IPC: H01T19/04 ,  H01T23/00 ,  B03C3/68 ,  B03C3/12

Abstract: Provided are an ion air supply module needle net layout method and an ion air supply module. The layout method comprises: step 1, a wind speed test: adjusting a distance between a single discharge needle and a metal net, so that an ion wind speed at the wind speed central point position of the metal net is at the maximum, and measuring a distance value L between a tip of the discharge needle and the metal net; step 2, a projection radius measurement: measuring a wind speed Vr deviating from the wind speed central point position, and when Vr=aVmax, measuring that the distance between a wind speed measurement point and a wind speed central point is r; and step 3, a needle net layout: setting the distance between the tip of the discharge needle and the metal net to be within the range of (0.7-1.3)L, with the distance between tips of two adjacent discharge needles being within the range of (0.7-1.3)r. The present invention improves the air supply speed, air supply volume and air supply efficiency of an ion air supply module.

公开(公告)号：US10171844B2

公开(公告)日：2019-01-01

申请号：US15716487

申请日：2017-09-26

Applicant: HARBIN INSTITUTE OF TECHNOLOGY SHENZHEN GRADUATE SCHOOL

Inventor： Haijun Zhang ,  Xiong Cao ,  Xiaohui Huang

IPC: H04N21/231 ,  H04N21/234 ,  H04N21/23 ,  H04N21/266 ,  H04N21/278 ,  G06Q30/02 ,  G06K9/00 ,  G06N3/02 ,  H04N21/81 ,  G06K9/32 ,  G06K9/46 ,  G06K9/62 ,  H04N21/2343 ,  H04N21/25 ,  H04N21/845

Abstract: 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.

公开(公告)号：US09989973B2

公开(公告)日：2018-06-05

申请号：US14892778

申请日：2014-05-06

Applicant: Harbin Institute of Technology

Inventor： Xinglin Chen ,  Yang Liu ,  Cong Li ,  Weifeng Wang ,  Chuan Liu

IPC: G05D3/12 ,  G05B19/27 ,  F16M11/26 ,  F16F15/00 ,  F16M11/12 ,  F16M11/18 ,  F16M11/32 ,  G05B15/02

CPC classification number: G05D3/12 ,  F16F15/00 ,  F16F15/002 ,  F16M11/121 ,  F16M11/18 ,  F16M11/26 ,  F16M11/32 ,  G05B15/02 ,  G05B19/27 ,  G05B2219/49276

Abstract: A measurement control system for a multi-shaft supported air floatation platform, the system comprising a load feedback unit (5), an execution unit (6), a position measurement unit (7), a safety protection unit (8), a controller (9), a rotating motor (10), and a linear light source 11; the load feedback unit comprises M pressure sensors (5-1) and four differential sensors (5-2); the execution unit comprises M servo voice coil motors (6-1) and M servo voice coil motor drivers (6-2); the position measurement unit comprises a plane grating (7-1), M linear gratings (7-2) a linear array CCD (7-3), a tilt sensor (7-4), M electronic levels (7-5), and an indoor GPS (7-6); the safety protection unit comprises 2M proximity sensors (8-1) and M temperature sensors (8-2); and the linear array CCD consists of no few then six CCDs. The system solves the problems of leveling limitations and narrow application range of existing supporting platforms.