Real-time network induced delay compensation with digital redesign technique

Author

Zhang, Yongpeng ; Cofie, Penrose ; Akujuobi, Cajetan M. ; Ajuzie, Augustine N. ; Xia, Chao

Author_Institution

Dept. of Eng. Technol., Prairie View A & M Univ., Prairie View, TX, USA

fYear

2010

fDate

6-9 July 2010

Firstpage

1058

Lastpage

1063

Abstract

Our technological demands today require extremely challenging control solutions such as real-time applications of Networked Control System (NCS). However, due to communication protocol and shared data bus, NCS always experiences uncertain and unpredictable time delays in both input and output channels. These delays cause asynchronization between controller and plant thereby degrading the performance of closed-loop control systems. To address the concern of stability improvement in real-time, this paper proposes to utilize digital redesign technique to compensate for these network induced delays.

Keywords

closed loop systems; compensation; computer networks; control engineering computing; delays; digital control; performance index; stability; synchronisation; uncertain systems; closed-loop control system; communication protocol; controller-plant synchronization; digital redesign technique; networked control system; performance degradation; real-time network induced delay compensation; shared data bus; stability improvement; uncertain time delays; unpredictable time delays; Actuators; DC motors; Delay; Pulse width modulation; Real time systems; Sensors;

fLanguage

English

Publisher

ieee

Conference_Titel

Advanced Intelligent Mechatronics (AIM), 2010 IEEE/ASME International Conference on

Conference_Location

Montreal, ON

Print_ISBN

978-1-4244-8031-9

Type

conf

DOI

10.1109/AIM.2010.5695743

Filename

5695743