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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)