公开(公告)号：US20210354159A1

公开(公告)日：2021-11-18

申请号：US16475521

申请日：2018-07-13

Applicant: Jiangsu University

Inventor： Jinyang LI ,  Jing XU ,  Xinhua WEI ,  Hongwei SUN

IPC: B05B12/12 ,  G01S15/08 ,  G01S7/521 ,  A01M7/00

Abstract: A kind of real-time measurement system and method for height from spray boom to crop canopy was provided in present invention patent, which includes the following steps. Step 1: Calibration for ultrasonic ranging sensor; Step 2: Determination of included angle for two ultrasonic ranging sensors; Step 3: Collection of relative height between spray boom and crop canopy; Step 4: Anti-interference processing for height data; Step 5: Calculation of relative height from spray boom to crop canopy. Its characteristic lies in: two ultrasonic ranging sensors with a certain angle are installed at each end of the spray boom, the height of crop canopy was acquired under the control of control unit, and the relative height from spray boom to crop canopy was obtained by the anti-interference analysis and data conversion, the accurate monitoring for relative height from spray boom to crop canopy was realized while the spray boom is tilted. It breaks through the technical bottleneck that the relative height of the spray boom and the crop canopy cannot be accurately obtained when the spray boom tilts due to turbulence in the field operation of the spray boom sprayer, and lays a technical foundation for the dynamic adjustment of the balance and height of the spray boom.

公开(公告)号：US20240149368A1

公开(公告)日：2024-05-09

申请号：US18284294

申请日：2022-06-02

Applicant: JIANGSU UNIVERSITY OF SCIENCE AND TECHNOLOGY ,  NANJING UNIVERSITY OF SCIENCE AND TECHNOLOGY ,  JIANGSU AUTOMATION RESEARCH INSTITUTE

Inventor： Zhidong YANG ,  Yuntao CHEN ,  Shujin CHEN ,  Mingxiao SHI ,  Chenfu FANG ,  Kehong WANG ,  Hongwei SUN ,  Xiaoyan GU

IPC: B23K9/10 ,  B23K9/00 ,  H02M3/156 ,  H02M3/335

CPC classification number: B23K9/1043 ,  B23K9/0061 ,  H02M3/156 ,  H02M3/33573

Abstract: A split-type multifunctional underwater arc welding power supply, comprising: including a shore power supply module and an underwater power supply module is provided. The shore power supply module comprises a shore power supply main circuit unit and a shore power supply control unit. The shore power supply main circuit unit comprises an input filter circuit, an IGBT full-bridge inverter circuit, an intermediate frequency transformer, and an output rectification filter circuit. The underwater power supply module comprises an underwater power supply main circuit unit and an underwater power supply control unit. The shore power supply module is provided on the shore, and the underwater power supply module is carried underwater.