J. Lee, C. Kim, D. Chun, K. Lee, and M. Lee (Korea)
Multiloop PID controller, Controller tuning, DCLRmethod, MIMO system, Maclaurin series expansion
An analytical tuning method of multiloop PID controllers to give desired closed loop responses is presented in this paper. The proposed method is based on the generalized IMC-PID tuning method and can provide the multiloop PID controller parameters in a conceptually simple and computationally easy manner for any class of open loop stable processes. In the proposed method, the process interaction in MIMO systems can be successfully addressed by using the interaction characteristics of the closed loop system for specific frequency range. Control performances are evaluated by application to simulated MIMO processes.
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