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Sedimenteringsdynamik och stegbeskickning i aktivslamprocessen

A Mathematical model of the thickening function of the final clarifier in the activated sludge process has been studied and expanded with diffusion term. A one dimensional diffusion equation for the concentration of suspended sediments has been used.

Filtering of Signal from Patient Scale

We report modifications of a Kalman filter, were the intended application is signal processing in the validation of the control system in a dialysis monitor.

Sökrutin för optimering av effekten i ett vindkraftverk med variabelt varvtal

To get a wind power plant with variable speed to deliver maximum power at actual windspeed it is important that the speed of the turbine is correct. This paper describles a mthod how to obtain this, by optimization of a parameter of amplification, KQ, in the electrical control of the power plant. A model of the wind power plant and the optimizing algorithm have been designed and implemented in the

Optimal Coordinated Tuning of Stabilisers in Power Systems

In this report the setting of parameters for the stabilizers in power systems are discussed. This tuning should be done in a systematic way, and the method proposed here is based on optimization. Different problem formulations involving settling times, stabilizer gains, damping and rise time are used.