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On Model Reduction of Polynomial Dynamical Systems

In this paper, we develop a computational method for model reduction of polynomial dynamical systems. This is achieved using sum of squares relaxations on certain Lyapunov inequalities, which are the nonlinear counterparts of the Lyapunov controllability and observability linear matrix inequalities for linear systems. In our model reduction procedure, we use notions of balanced realization and bal

Signal processing and alarm handling in process control

The proper handling of alarms is crucial to automated process control. In practice, many alarms are only distractive and do not represent a fault situation. Here a toolbox, that uses an expert system called LARA, is proposed that aims to reduce the occurrence of so-called nuisance alarms. It is based on a signal classification scheme to propose suitable alarm handling algorithms according to the s

Accumulation, control and contingency; a critical review of intellectual property rights' "piracy"

This article problematizes piracy a) as a hegemonic discourse and technology of control, aiming to securitize late capitalist accumulation; b) as a practice developed by the multitudes that is compatible to post–Fordist mode of production and to neoliberal norms; and, c) as resistance to dominant mode of late capitalist production, distribution and consumption of immaterial goods. The article addr

Pregnancy outcome in women perceiving decreased fetal movement

Out of 1914 women who had been instructed to count fetal movements (FMs) throughout the third trimester of pregnancy, 158 consulted the delivery ward staff about decreased FMs; they constituted the study group. Each woman who reported decreased FMs was examined by cardiotocography, analysis of plasma estriol and objective recording of FMs. Appropriate clinical management was decided on by the obst

Who needs victim support?

To be in need or to manage is a question open for negotiation. The concept of need is depending on the interpretation of the one who defines it. When a person is a victim of crime, her needs' can be defined from many different perspectives. Organisations for victim support are becoming more and more established. These organisations are founded on ideas of "need", the organisations are "needed" bec