NDLI: Co-design of stabilisation and transmission scheduling for wireless control systems

Content Provider	IET Digital Library
Author	Lyu, Ling Chen, Cailian Hua, Cunqing Zhu, Shanying Guan, Xinping
Abstract	Wireless control system (WCS) refers to the feedback control system with state and (or) control information transmitted over wireless channels. The control system stability is severely affected by the wireless transmission reliability, which in turn relies heavily on the scheduling of limited wireless communication resources, such as channel, time and power. Therefore, co-design of control stabilisation and transmission scheduling is of vital importance. In this study, the authors firstly explore the effect of wireless transmission reliability on control performance for a WCS with multiple subsystems, local sensors and a remote combination of controller–scheduler. Then a feedback control method is designed to mitigate the impact of unreliable transmission in the loop of sensor-to-controller and controller-to-actuator. Stabilisation and transmission scheduling are co-designed to stabilise the system and minimise the control-communication cost by solving a mixed-integer non-linear programming problem. A decomposition scheme is finally proposed to optimise the control performance by minimising the gap with standard linear quadratic regulator controller as well as the communication cost by allocating the transmission channels, time-slots and power. The effectiveness and advantage of the proposed scheme are demonstrated by the simulation results for a slab temperature control system in hot rolling process.
Starting Page	1767
Ending Page	1778
Page Count	12
ISSN	17518644
Volume Number	11
e-ISSN	17518652
Issue Number	Issue 11, Jul (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-cta/11/11
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-cta.2016.0871
Journal	IET Control Theory & Applications
Publisher Date	2017-01-04
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Control Application in Manufacturing Processes Control Application in Metallurgical Industries Control Stabilization Control System Analysis Control System Stability Control System Synthesis Control Technology And Theory Decomposition Scheme Feedback Feedback Control System Design Forming Processes General Shapes And Structure Heat Treatment Hot Rolling Hot Rolling Process Integer Programming Linear Quadratic Control Linear Quadratic Regulator Controller Metallurgical Industries Mixed-integer Nonlinear Programming Nonlinear Programming Optimal Control Optimisation Optimisation Technique Scheduling Slab Temperature Control System Slabs Stability Stability in Control Theory Synthesis Method Telecontrol Telecontrol And Telemetering Component Temperature Control Thermal Variables Control Transmission Scheduling WCS Wireless Control System Wireless Transmission Reliability
Content Type	Text
Resource Type	Article
Subject	Control and Optimization Control and Systems Engineering Human-Computer Interaction Electrical and Electronic Engineering Computer Science Applications

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