Patents by Inventor Xinchao LIU

Xinchao LIU 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: 20230186056
    Abstract: The present invention relates to a grabbing detection method based on an RP-ResNet, which method belongs to the field of computer vision, and in particular relates to recognition and positioning of a grabbing point of a mechanical arm. The method comprises: inputting a target object image; pre-processing data; performing data processing by means of an RP-ResNet model; and finally, generating a grabbing block diagram of a grabbing target. On the basis of a model ResNet 50, a region proposal network is used in the 30th layer of a network, fuzzy positioning is performed on the position of a grabbing point, feature information of high and low layers is fully fused to strengthen the utilization of information of low layers, and an SENet structure is added to the 40th layer of the network, thereby further increasing the detection accuracy of a grabbing point.
    Type: Application
    Filed: June 2, 2021
    Publication date: June 15, 2023
    Inventors: Jingbo Zhao, Tengfei Qiu, Jingxuhui Zhu, Xinchao Liu, Xiaohan Zhang, Wenbin Zhang
  • Patent number: 11543787
    Abstract: The present invention discloses a networked control system (NCS) time-delay compensation method based on predictive control. The method comprises the following steps: (1) acquiring random time-delay data in an NCS, and preprocessing the data; (2) predicting the current time-delay by using a fuzzy neural network (FNN) optimized by a particle swarm optimization (PSO) algorithm; (3) compensating the predicted time-delay by using an implicit proportional-integral-based generalized predictive control (PIGPC) algorithm; (4) determining whether a preset work end time is up according to a clock in the NCS; if yes, ending the process; if no, returning to step (2). The method disclosed by the present invention can accurately predict and effectively compensate the NCS time-delay and has excellent development prospect.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: January 3, 2023
    Assignee: Qingdao University of Technology
    Inventors: Jingbo Zhao, Bingxin Xue, Zhong Wang, Jingxuhui Zhu, Tengfei Qiu, Xinchao Liu
  • Publication number: 20210149349
    Abstract: The present invention discloses a networked control system (NCS) time-delay compensation method based on predictive control. The method comprises the following steps: (1) acquiring random time-delay data in an NCS, and preprocessing the data; (2) predicting the current time-delay by using a fuzzy neural network (FNN) optimized by a particle swarm optimization (PSO) algorithm; (3) compensating the predicted time-delay by using an implicit proportional-integral-based generalized predictive control (PIGPC) algorithm; (4) determining whether a preset work end time is up according to a clock in the NCS; if yes, ending the process; if no, returning to step (2). The method disclosed by the present invention can accurately predict and effectively compensate the NCS time-delay and has excellent development prospect.
    Type: Application
    Filed: January 17, 2020
    Publication date: May 20, 2021
    Inventors: Jingbo ZHAO, Bingxin XUE, Zhong WANG, Jingxuhui ZHU, Tengfei QIU, Xinchao LIU
  • Publication number: 20200241487
    Abstract: The present invention discloses a networked control system (NCS) time-delay compensation method based on predictive control. The method comprises the following steps: (1) acquiring random time-delay data in an NCS, and preprocessing the data; (2) predicting the current time-delay by using a fuzzy neural network (FNN) optimized by a particle swarm optimization (PSO) algorithm; (3) compensating the predicted time-delay by using an implicit proportional-integral-based generalized predictive control (PIGPC) algorithm; (4) determining whether a preset work end time is up according to a clock in the NCS; if yes, ending the process; if no, returning to step (2). The method disclosed by the present invention can accurately predict and effectively compensate the NCS time-delay and has excellent development prospect.
    Type: Application
    Filed: January 17, 2020
    Publication date: July 30, 2020
    Inventors: Jingbo ZHAO, Bingxin XUE, Zhong WANG, Jingxuhui ZHU, Tengfei QIU, Xinchao LIU