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The purpose of this thesis has been to examine the possibilities of implementing feeling to a submarine steering gear.
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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.
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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
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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.