Paper Info
Title
Networked Multirate Output Feedback Control for Setpoints Compensation and Its Application to Rougher Flotation Process
Abstract
This paper investigates the setpoints compensation for a class of complex industrial processes. Plants at the device layer are controlled by the local regulation controllers, and a multirate output feedback control approach for setpoints compensation is proposed such that the local plants can reach the dynamically changed setpoints and the given economic objective can also be tracked via certain economic performance index (EPI). First, a sampled-data multivariable output feedback proportional integral (PI) controller is designed to regulate the performance of local plants. Second, the outputs and control inputs of the local plants at the device layer are sampled at operation layer sampling time to form the EPI. Thus, the multirate problem is solved by a lifting method. Third, the static setpoints are generated by real-time optimization and the dynamic setpoints are calculated by the compensator according to the error between the EPI and objective at each operation layer step. Then, a networked case is studied considering unreliable data transmission described by a stochastic packet dropout model. Finally, a rougher flotation process model is employed to demonstrate the effectiveness of the proposed method.
Year
DOI
Venue
2014
10.1109/TIE.2013.2240640
IEEE Transactions on Industrial Electronics
Keywords
Field
DocType
output feedback,pi control,multirate sampled data,network-based control,dynamically changed setpoints,stochastic packet dropout model,data communication,local plant performance regulation,multirate problem,packet dropout,epi,economic performance index,setpoints compensation,static setpoints,control system synthesis,networked multirate output feedback control,controllers,local regulation controllers,operation layer sampling time,feedback,multivariable control systems,control inputs,real-time optimization,lifting,performance index,rougher flotation process model,sampled-data multivariable output feedback proportional integral controller,device layer,data transmission,networked control systems,complex industrial processes,lifting method,setpoint compensation,industrial economics,flotation (process)
Control theory,Multivariable calculus,Performance index,Multivariable control systems,Data transmission,Control theory,Network packet,Sampling time,Control engineering,Engineering
Journal
Volume
Issue
ISSN
61
1
0278-0046
Citations 
PageRank 
References 
54
2.25
7
Authors
6
Name
Order
Citations
PageRank
Fangzhou Liu112510.67
Huijun Gao28923416.93
Jianbin Qiu32787117.87
Shen Yin42149115.64
Jialu Fan534819.01
Tianyou Chai62014175.55