Interaction measures for systems under decentralized control
Automatica (Journal of IFAC)
Tuning of PID controllers based on gain and phase margin specifications
Automatica (Journal of IFAC)
Automatic tuning of decentralized PID controllers for TITO processes
Automatica (Journal of IFAC)
Auto-tuning of multivariable PID controllers from decentralized relay feedback
Automatica (Journal of IFAC)
Dynamic performance improvement of an isolated wind turbine induction generator
Computers and Electrical Engineering
A PC-based architecture for parameter analysis of vector-controlled induction motor drive
Computers and Electrical Engineering
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In this paper, the design of decentralized PID controller for interactive and delay time processes is proposed. Direct controller synthesis approach is used to obtain parameters of the multi-loop controllers. A detuning factor for each loop is specified based on the closed-loop time constant. Then appropriate controller settings are determined using the Maclaurin series expansion and the model of the process. The success of the proposed algorithm is based on the detuning parameter thus the selection of the desired closed-loop time constant is an important factor. The proposed method has no limitations regarding systems weak or strong interactions, multiple delays, and its operating behaviors such as monotonic or oscillatory. The proposed algorithm is simpler and improved performance of various processes are achieved as compared to some of the prevalent techniques. Simulation examples demonstrate the usefulness of the proposed method.