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The predictive first order hold circuit is introduced and analyzed. The main advantage of this hold circuit is that it gives a continuous control signal. Conditions for causality and a pole placement procedure are presented. Formulas for sampling a linear quadratic Gaussian (LQG) problem are given and are used to analyze an example where the predictive first order hold gives better performance tha
Shallow lakes such as Lake Krankesjön are characterized by their extended littoral zones, usually covered by submersed and emergent vegetation. In paper 1, I investigated the relationship between turbidity and macrophyte growth (Chara spp.) during spring and summer in Lake Krankesjön and found that the colonization of the lake bed by macrophytes was dependent on turbidity on a non-linear way. Also
Fault detection and isolation (FDI) are important steps in the monitoring and supervision of industrial processes. Biological wastewater treatment (WWT) plants are difficult to model, and hence to monitor, because of the complexity of the biological reactions and because plant influent and disturbances are highly variable and/or unmeasured. Multivariate statistical models have been developed for a
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English translation of Swedish book chapter comparing the decline of state socialist ideology and state feminism.
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