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In this paper, bath control is proposed for the electroless nickel plating through holes board process. The main parameters of the product (board) – thickness of the plat-ing film and phosphorous content – are stabilized at constant levels using optimal tracking control. The set point for control is calculated from the model in dependence on the current(More)
The mass and heat balance in a multi-stage flash evaporator in once-through configuration is modelled with partial differential equations (PDEs) derived from a system of ordinary differential equations (ODEs) that represents a cascade of vacuum tanks. The derived PDE model represents the pressure head, temperature and salinity evolution in the cascade(More)
Semi-explicit solution to a partially observed stochastic bilinear system control problem is given. The system is bilinear in respect to the control inputs, and corrupted by additive Wiener processes in the state and measurements equations. Beside the unobserved state the initial state is an unknown parameter. The optimal controls in a mean square sense are(More)