吉林大学学报(工学版) ›› 2014, Vol. 44 ›› Issue (2): 548-553.doi: 10.13229/j.cnki.jdxbgxb201402042

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Simulation method of digital-analog hybrid control system based on Simulink

SHAN Ze-biao1, SHI Yao-wu1, GAO Xing-quan2   

  1. 1. College of Communication Engineering, Jilin University, Changchun 130022, China;
    2. College of Information and Control Engineering, Jilin Institute of Chemical Technology, Jilin 132022, China
  • Received:2013-03-13 Online:2014-02-01 Published:2014-02-01

Abstract:

A simulation method based on Kalman filter for nonlinear continuous systems fulfilled by trigger subsystem block is proposed. In this method the form of Simulink blocks is combined with M-functions to simulate the process of periodic sampling and processing by micro-computers, accordingly the functions of D/A and A/D and the online filter processing are achieved perfectly. The implementation process of the proposed method is introduced. Simulation of the Continuous Stirred Tank Reactor (CSTR) system is carried out to demonstrate the implementation of the proposed method in detail. Results show the efficiency of the proposed method.

Key words: automatic control technology, digital-analog hybrid control, Kalman filter, trigger subsystem, simulation implementation

CLC Number: 

  • TP273

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