NDLI: Design of the simulation platform for networked control systems based on DTHMM

Content Provider	IEEE Xplore Digital Library
Author	Yuan Ge Shuang Cong Qigong Chen Ming Jiang Weiwei Shang
Copyright Year	2010
Description	Author affiliation: Department of Automation, University of Science and Technology of China, Hefei, Anhui Province, China (Yuan Ge; Shuang Cong; Qigong Chen; Weiwei Shang) \|\| Department of Electrical Engineering, Anhui University of Technology and Science, Wuhu, China (Ming Jiang)
Abstract	In order to achieve the application of discrete-time hidden Markov model (DTHMM) in modeling and controlling the networked control system (NCS) with the network-induced delays in the forward channel, a simulation platform was designed and implemented in this paper by using TrueTime 1.5, which is a Matlab/Simulink-based simulator. There were one network module and four kernel modules (sensor, controller, actuator and interference nodes) on this simulation platform, and the composition and the main Matlab codes of each module were presented. On the simulation platform designed, the Expectation Maximization (EM) algorithm was achieved to derive the parameters of the DTHMM and the Viterbi algorithm was achieved to predict the controller-to-actuator delay (C-A delay) in the current sampling period. Based on the derived DTHMM and the predicted delays, a state-feedback controller to stabilize the NCS was also implemented on the simulation platform and used to solve the linear matrix inequalities. Taking a damped compound pendulum as the plant in the NCS, after 500 sampling periods the effectiveness of the modeling and controlling methods was carried out, and demonstrated the efficiency and easy operation of the simulation platform.
Starting Page	4400
Ending Page	4406
File Size	502608
Page Count	7
File Format	PDF
ISBN	9781424467129
e-ISBN	9781424467129
DOI	10.1109/WCICA.2010.5554054
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-07
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Delay Hidden Markov models Actuators Kernel Schedules Interference Stability analysis Linear matrix inequality Networked control system Discrete-time hidden Markov model Simulation platform TrueTime
Content Type	Text
Resource Type	Article

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