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Stability and convergence speed of narrowband controller

Stability and convergence speed of narrowband controller

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The stability and convergence speed of a narrowband controller based on a delayed-X LMS algorithm are studied. The stability limit is computed using the Nyquist criterion. The response envelop is obtained from a baseband model of the system and the optimal gain which minimises the convergence time is derived.

Inspec keywords: controllers; control system analysis; optimal control; stability; convergence; least mean squares methods; Nyquist criterion

Other keywords: convergence time; optimal gain; Nyquist criterion; stability limit; convergence speed; delayed-X LMS algorithm; narrowband controller

Subjects: Optimal control; Control system analysis and synthesis methods; Stability in control theory; Controllers

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