The Fastest Response Algorithm for Thermal Plants with a Time Delay: Application in a Hybrid System Containing a PID Controller and an Automatic Tuning Unit

Kuzishchin, V. F.; Merzlikina, E. I.; Hoang, Van Va

doi:10.1134/s0040601519080032

Cited by 5 publications

(1 citation statement)

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“…Time delays are intrinsic characteristics of several industrial processes. Such characteristic can belong to physical properties of processes such as thermal systems (Kuzishchin et al 2019), chemical engineering systems (Pathiran and Jagadeesan 2018), neural network systems (Wu et al 2018), delay communication systems (Wen et al 2016) and largescale interconnected systems (Xiao and Mao 2011;Zhu et al 2005) or also owing to the measurement of system parameters or state variables (Zhou et al 2016). Further, time delays often lead to system instability and beget poor performances, and then, the closed-loop control synthesis and stability analysis of time delay systems are not an straightforward duty, and it is usually considered as a challenging task for the automation control community.…”

Section: Introductionmentioning

confidence: 99%

$$H_{\infty }$$ Optimization-Based Stabilization for Nonlinear Disturbed Time Delay Systems

Tlili

2020

J Control Autom Electr Syst

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This paper contemplates designing a H ∞ dynamic output-feedback decentralized control for nonlinear interconnected disturbed time delay systems. Pursuant to Lyapunov-Krasovskii functional techniques and linear matrix inequality methods, asymptotic stability conditions for the robust stability and stabilization of the studied system are conducted in an optimization problem subject to linear matrix inequalities. The resolution of such a problem enables computing jointly the robust observation and control gain matrices, maximizing the bounds of nonlinear interconnections tolerated by the system without being unstable, improving the performance of the proposed control strategy by minimizing a H ∞ criterion and ensuring the stability of the closed-loop system despite exogenous disturbances applied to the subsystems. Simulation results are provided by a prominent application example of a 3-interconnected machine power system with time delay to demonstrate the efficacy of the designed delay-independent control approach.

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