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This report describes a model for simulation of backlash and friction effects in electrically powered rotating mechanical systems. A tank fire control system is treated as an example. The simulation package Simnon is used for all simulations.
The purpose of this thesis has been to study different types of control strategies for an Electrohydraulic position servo in a Fuel metering valve. The Servo needs a high accuracy and fast response controller. Unlinearlities cause the system dynamics to vary with different operating conditions. A mathematical model implemented in the simulation tool ACSL is used in design and analysis. The System
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.
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.
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
