Title :
Bandwidth scheduling of networked control system based on time varying sampling period
Author :
Wang Zhiwen ; Sun Hongtao
Author_Institution :
Coll. of Electr. & Inf. Eng., Lanzhou Univ. of Technol., Lanzhou, China
Abstract :
For a class of networked control system (NCS) with time delay, the network subsystem and the control subsystem are considered at the same time in this paper. In order to reduce the time delay of the network subsystem, the bandwidth of each closed loop is allocated twice by adjusting the sampling period; In order to guarantee the stability of the control subsystem, the controller is designed with pole-placement method which based on above bandwidth allocation strategy. At last, the validity of bandwidth allocation strategy and the stability of control systems are proved by the simulation results.
Keywords :
closed loop systems; control system synthesis; delays; networked control systems; sampling methods; stability; NCS; bandwidth allocation strategy; bandwidth scheduling; closed loop bandwidth; control subsystem; control system stability; controller design; network subsystem; networked control system; pole-placement method; time delay; time varying sampling period; Actuators; Bandwidth; Channel allocation; Delay effects; Networked control systems; Quality of service; Bandwidth allocation; Co-design; Networked Control System; Time varying sampling period; time delay;
Conference_Titel :
Control Conference (CCC), 2013 32nd Chinese
Conference_Location :
Xi´an
