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The impact of time-delay on Networked Control System and stability region analysis of PID controllers

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2 Author(s)
Xiaoqian Guo ; Sch. of Mech., Beijing Jiaotong Univ., Beijing, China ; Bin Wu

In this paper, the impact of network induced timedelay on Networked Control System (NCS) and the weights of Sensor-Controller time-delay and Controller-Actuator time-delay is analyzed by simulations. Furthermore, the effects of plant parameters on stability region of PID controllers in first-order and second-order systems with time-delay is also studied. Finally, an open-loop zero was inserted into the plant-unstable second-order system with time-delay so that the stability region of PID controller gets effectively enlarged.

Published in:

Computer, Mechatronics, Control and Electronic Engineering (CMCE), 2010 International Conference on  (Volume:4 )

Date of Conference:

24-26 Aug. 2010