Browsing by Subject "Chain of integrators"

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    PID and low-order controller design for guaranteed delay margin and pole placement
    (John Wiley & Sons Ltd., 2021-04-03) Özbay, Hitay; Gündeş, A. N.
    This article provides a simple low-order controller design method (including PID controllers as special cases) for a class of unstable systems. First, PID controller design is considered for systems with two unstable poles and pole placement and delay margin issues are discussed. Then, a chain of integrators is considered with arbitrary stable dynamics in cascade. For a given desired minimum delay margin for this class of plants, a PID and low-order controller design method is obtained in terms of an inequality constraint on the sum of k of the desired closed-loop poles, where k is number of the integrators in the open-loop transfer function.