公开(公告)号：US11768982B1

公开(公告)日：2023-09-26

申请号：US18116877

申请日：2023-03-03

Applicant: Chengdu University of Technology

Inventor： Jun Li ,  Zhengwei Xu ,  Xuben Wang ,  Rui Wang ,  Shengxian Liang

IPC: G06F30/27 ,  G06F111/04

CPC classification number: G06F30/27 ,  G06F2111/04

Abstract: Disclosed are a hybrid density abrupt interface inversion method based on machine learning constraints. The inversion method includes constructing an initial basin interface and randomly generating a disturbed basin interface data set; obtaining a basin interface data set through Hadamard product operation on the initial basin interface and the disturbed basin interface data set; obtaining a high-resolution density interface model data set through filling the basin interface data set with advanced functions; performing forward calculation to obtain a simulated gravity data set; carrying out mathematical transformation on the simulated gravity data set and weighting to obtain a low-resolution migration density interface model data set; optimizing a migration model-based deep learning network and mapping to obtain a high-resolution constrained density interface prior model; and constructing a stable nonlinear loss function and performing regularization inversion to obtain a high-resolution density interface model.

公开(公告)号：US20220035062A1

公开(公告)日：2022-02-03

申请号：US17349058

申请日：2021-06-16

Applicant: Chengdu University of technology

Inventor： Xuben Wang ,  Song Gao ,  Jiafu Ren ,  Yuan Li ,  Congde Lu ,  Lifeng Mao ,  Linlin Li

IPC: G01V3/17 ,  G01V3/16 ,  G01V3/38

Abstract: The invention discloses a semi-airborne time domain electromagnetic exploration system for an unmanned aerial vehicle, and belongs to the technical field of geophysical electromagnetic exploration. The system comprises a ground high-power electromagnetic field source emission subsystem, a semi-airborne time domain electromagnetic exploration and observation subsystem and a data processing interpretation software subsystem, wherein the ground high-power electromagnetic field source emission subsystem comprises an IGBT full bridge, a PWM control circuit, a rectification filter circuit and a protection circuit; the semi-airborne time domain electromagnetic exploration and observation subsystem comprises an unmanned aerial vehicle, a receiving coil and a receiver; the data processing interpretation software subsystem comprises a system function module and a bottom layer supporting module, and the bottom layer supporting module is used for providing a universal performance function for the system function module. The system adopts a grounding line source, is relatively easy to arrange, supplies large current to the ground, is large in detection depth, makes the receiving coil fly in the form of a serpentine line parallel to a wire source, can maintain an equal offset distance of each measuring line, and makes data processing and inversion interpretation relatively simple.

公开(公告)号：US11566960B1

公开(公告)日：2023-01-31

申请号：US17844217

申请日：2022-06-20

Applicant: Chengdu University of Technology

Inventor： Xiangpeng Wang ,  Kunpeng Wang ,  Xuben Wang ,  Jin Hu ,  Qiangqiang Tang ,  Ning Chen ,  Lingze Li

IPC: G01M3/16

Abstract: Disclosed are a simulation platform and a simulation method for leakage detection and treatment. The simulation platform includes a water tank open at the top, which is a holding device; simulation sand, which is laid at the bottom of the water tank, and the upper area of the simulation sand is the experimental water filling area for filling simulation water; a leakage simulation device, which is buried in the simulation sand; a plurality of electrodes, which are distributed on the simulation sand for collecting and sending potential and current signals to a data processing terminal; a hydraulic brake, which is arranged in the experimental water filling area and used for stirring the simulation water; the hydraulic brake is not turned on in the static water environment simulation, and is turned on in the dynamic water environment simulation.