Power-constrained intermittent control. Gawthrop, P., Wagg, D., Neild, S., & Wang, L. International Journal of Control, 86(3):396-409, 2013. Published online 30 Oct 2012doi abstract bibtex In this article, input power, as opposed to the usual input amplitude, constraints are introduced in the context of intermittent control. They are shown to result in a combination of quadratic optimisation and quadratic constraints. The main motivation for considering input power constraints is its similarity with semi-active control. Such methods are commonly used to provide damping in mechanical systems and structures. It is shown that semi-active control can be re-expressed and generalised as control with power constraints and can thus be implemented as power-constrained intermittent control. The method is illustrated using simulations of resonant mechanical systems and the constrained nature of the power flow is represented using power-phase-plane plots. We believe the approach we present will be useful for the control design of both semi-active and low-power vibration suppression systems.
@article{GawWagNeiWan12,
author = {Gawthrop, Peter and Wagg, David and Neild, Simon and Wang, Liuping},
title = {Power-constrained intermittent control},
journal = {International Journal of Control},
volume = 86,
number = 3,
pages = {396-409},
year = 2013,
doi = {10.1080/00207179.2012.733888},
abstract = { In this article, input power, as opposed to the usual input amplitude, constraints are introduced in the context of intermittent control. They are shown to result in a combination of quadratic optimisation and quadratic constraints. The main motivation for considering input power constraints is its similarity with semi-active control. Such methods are commonly used to provide damping in mechanical systems and structures. It is shown that semi-active control can be re-expressed and generalised as control with power constraints and can thus be implemented as power-constrained intermittent control. The method is illustrated using simulations of resonant mechanical systems and the constrained nature of the power flow is represented using power-phase-plane plots. We believe the approach we present will be useful for the control design of both semi-active and low-power vibration suppression systems. },
note = {Published online 30 Oct 2012}
}
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