Patents by Inventor Jiangtao Yu

Jiangtao Yu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20250035557
    Abstract: Methods, apparatuses, and systems for determining a concentration of a target gas in a sample gas. An example method of preparing a replaceable testing material for detecting a target gas in a sample gas may include preparing a solution comprising a solute and a solvent, wherein the solute comprises o-tolidine; introducing a testing material substrate to the prepared solution for a period of time; and removing at least a portion of the solvent from the testing material substrate such that the testing material substrate comprises at least a portion of the o-tolidine, and thereby forming the replaceable testing material for detecting the target gas in the sample gas.
    Type: Application
    Filed: July 10, 2024
    Publication date: January 30, 2025
    Inventors: Yan YU, Chuang HUANG, Zhixiong HOU, Jiangtao LIU, Xiang HE, Yongfang HUANG, Linan ZHAO
  • Publication number: 20250020109
    Abstract: A cascaded energy storage system includes: a gas storage which is divided into at least one air chamber and at least one working medium gas chamber by a flexible diaphragm, where pressure of the air chamber is equal to pressure of the working medium gas chamber, and volume of the air chamber and volume of the working medium gas chamber is capable of being adjusted by contraction and expansion of the flexible diaphragm; an air compression and energy release assembly which communicates with the air chamber, and is configured to introduce compressed air into the air chamber and release the compressed air; a working medium gas-liquid conversion assembly including a working medium compression assembly, a working medium expansion assembly and a liquid storage assembly; and a heat storage assembly, configured to release heat or store heat to the working medium gas-liquid conversion assembly.
    Type: Application
    Filed: September 29, 2024
    Publication date: January 16, 2025
    Applicant: XECA TURBO (CHENGDU) TECHNOLOGY CO., LTD
    Inventors: Xuefeng ZHANG, Jiecheng CHI, Kaiyun ZHENG, Guohua YU, Mengying SHU, Lin TAO, Jiangtao BAI
  • Patent number: 12145886
    Abstract: The present disclosure provides a recycled powder concrete material for 3D printing construction and a preparation method therefor. The concrete material includes the following components by weight parts: cement: 1.0 part; recycled powder: 0.1-2.0 parts; recycled fine aggregate: 1.0-12.0 parts; nano titanium dioxide: 0.001-0.18 parts; high elastic modulus polyethylene fiber: 0.005-0.15 parts; redispersible latex powder: 0.002-0.1 parts; cellulose: 0.001-0.045 parts; activator: 0.01-0.30 parts; polycarboxylic acid water reducing agent: 0.005-0.2 parts; and water: 0.2-2.0 parts. According to the recycled powder concrete material for 3D printing construction, construction waste recycling powder technology is combined with 3D printing construction technology. The safety, applicability and durability of 3D printing recycled powder concrete material are further improved through the optimization of the recycled powder concrete formula.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: November 19, 2024
    Assignee: TONGJI UNIVERSITY
    Inventors: Jianzhuang Xiao, Zhiming Ma, Zhenhua Duan, Jiangtao Yu, Tao Ding
  • Publication number: 20210261461
    Abstract: The present disclosure provides a recycled powder concrete material for 3D printing construction and a preparation method therefor. The concrete material includes the following components by weight parts: cement: 1.0 part; recycled powder: 0.1-2.0 parts; recycled fine aggregate: 1.0-12.0 parts; nano titanium dioxide: 0.001-0.18 parts; high elastic modulus polyethylene fiber: 0.005-0.15 parts; redispersible latex powder: 0.002-0.1 parts; cellulose: 0.001-0.045 parts; activator: 0.01-0.30 parts; polycarboxylic acid water reducing agent: 0.005-0.2 parts; and water: 0.2-2.0 parts. According to the recycled powder concrete material for 3D printing construction, construction waste recycling powder technology is combined with 3D printing construction technology. The safety, applicability and durability of 3D printing recycled powder concrete material are further improved through the optimization of the recycled powder concrete formula.
    Type: Application
    Filed: January 23, 2019
    Publication date: August 26, 2021
    Applicant: TongJi University
    Inventors: Jianzhuang XIAO, Zhiming MA, Zhenhua DUAN, Jiangtao YU, Tao DING
  • Publication number: 20200223546
    Abstract: A data processing method and apparatus for an Unmanned Aerial Vehicle (UAV) are provided. The UAV includes a flight controller, an electronic governor and at least one voltage division component. The method includes: a voltage division voltage parameter and a power voltage parameter are collected; a voltage ratio parameter is obtained according to the voltage division voltage parameter and the power voltage parameter; a resistance ratio parameter is acquired; when the voltage ratio parameter meets a preset resistance ratio threshold range of the resistance ratio parameter, the electronic governor is addressed according to the preset resistance ratio threshold range to obtain an address of the electronic governor; and a control instruction of the flight controller is received based on the address of the electronic governor.
    Type: Application
    Filed: July 27, 2018
    Publication date: July 16, 2020
    Inventor: Jiangtao Yu
  • Patent number: 10693411
    Abstract: An overvoltage protection method and device of an electronic governor in an aerial vehicle, and an aerial vehicle with the device are provided. The electronic governor is configured to control a motor. The method includes: collecting a DC bus voltage of the electronic governor; when the DC bus voltage is greater than a first voltage threshold and less than or equal to a second voltage threshold, adjusting a control parameter of the electronic governor based on a difference between the DC bus voltage and the first voltage threshold, such that the electronic governor controls the motor based on the adjusted control parameter to restrain further rise of the DC bus voltage, in which the second voltage threshold is greater than the first voltage threshold.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: June 23, 2020
    Assignee: GUANGZHOU XAIRCRAFT TECHNOLOGY CO., LTD.
    Inventor: Jiangtao Yu
  • Patent number: 10673365
    Abstract: A motor vector control method and device, and an aircraft are provided. The method includes: receiving a Pulse Position Modulation (PPM) signal; acquiring a first given voltage signal of a motor according to the PPM signal; adopting a control manner of giving a d-axis current 0, to acquire a d-axis voltage of the motor; and calculating a q-axis voltage of the motor at the next moment according to the first given voltage signal and the d-axis voltage of the motor, and performing vector control on the motor according to the d-axis voltage of the motor and the q-axis voltage of the motor at the next moment.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: June 2, 2020
    Assignee: GUANGZHOU XAIRCRAFT TECHNOLOGY CO., LTD
    Inventor: Jiangtao Yu
  • Publication number: 20190140572
    Abstract: A motor vector control method and device, and an aircraft are provided. The method includes: receiving a Pulse Position Modulation (PPM) signal; acquiring a first given voltage signal of a motor according to the PPM signal; adopting a control manner of giving a d-axis current 0, to acquire a d-axis voltage of the motor; and calculating a q-axis voltage of the motor at the next moment according to the first given voltage signal and the d-axis voltage of the motor, and performing vector control on the motor according to the d-axis voltage of the motor and the q-axis voltage of the motor at the next moment.
    Type: Application
    Filed: July 20, 2017
    Publication date: May 9, 2019
    Inventor: Jiangtao Yu
  • Publication number: 20190058434
    Abstract: An overvoltage protection method and device of an electronic governor in an aerial vehicle, and an aerial vehicle with the device are provided. The electronic governor is configured to control a motor. The method includes: collecting a DC bus voltage of the electronic governor; when the DC bus voltage is greater than a first voltage threshold and less than or equal to a second voltage threshold, adjusting a control parameter of the electronic governor based on a difference between the DC bus voltage and the first voltage threshold, such that the electronic governor controls the motor based on the adjusted control parameter to restrain further rise of the DC bus voltage, in which the second voltage threshold is greater than the first voltage threshold.
    Type: Application
    Filed: November 28, 2017
    Publication date: February 21, 2019
    Inventor: Jiangtao Yu
  • Publication number: 20100248975
    Abstract: The embodiments of the invention relate to a biomolecule microarray comprising a plurality of different polypeptides, where the polypeptides contain a kinase recognition sequence connected via a linker sequence to a metal binding amino acid that undergoes chelation enhanced fluorescence upon binding to a divalent cation. The embodiments further relate to kits comprising the microarray, and methods of using the microarray to screen for kinase activity, and to screen for inhibitors of kinase activity.
    Type: Application
    Filed: December 29, 2006
    Publication date: September 30, 2010
    Inventors: Gunjan Tiwari, Jiangtao Yu, Steven Sundberg