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. 2017 Mar 8;12(3):e0172761. doi: 10.1371/journal.pone.0172761

Fig 5. Block diagram of the closed-loop system using Adaptive augmented PI controller.

Fig 5

The system assumes a single input-single output (SISO) form where x(t) is the state vector. To tune the controller, first we compute the linear gains, then calculate the adaptive parameters ΓK and ΓW.