公开(公告)号：US11543787B2

公开(公告)日：2023-01-03

申请号：US16745581

申请日：2020-01-17

Applicant: Qingdao University of Technology

Inventor： Jingbo Zhao ,  Bingxin Xue ,  Zhong Wang ,  Jingxuhui Zhu ,  Tengfei Qiu ,  Xinchao Liu

IPC: G05B13/02 ,  G06F17/11 ,  G06N3/04 ,  G05B13/04

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.