Abstract: An exemplary method is disclosed for controlling on-line the steam output of a waste incineration plant that is fed with waste of varying composition. Process or system quantities (u2, u3, xGC, xLL, w0) can be measured repeatedly, at different times during operation of the plant, and a relation with linear parameters (?i) as coefficients of non-linear expressions (?i) of the process quantities can be established by evaluating the measurements. From this relation, an optimal waste feed rate to obtain a desired steam output ({dot over (M)}steam) can be determined and applied to a waste feed actuator of the waste incineration plant.

Abstract: The present invention is concerned with a method of controlling on-line the steam output of a waste incineration plant that is fed with waste of varying composition. Process or system quantities (u2, u3, xGC, xLL, w0) are measured repeatedly, at different times during operation of the plant, and a relation with linear parameters (?i) as coefficients of non-linear expressions (?i) of the process quantities is established by evaluating said measurements. From this relation, an optimal waste feed rate to obtain a desired steam output ({dot over (M)}steam) is determined and applied to a waste feed actuator of the waste incineration plant.

Abstract: An automated, real-time control of a waste incineration plant is disclosed for treating waste of variable moisture content. In an exemplary method of and a system for controlling a waste combustion process, time varying process parameters of the waste combustion process, such as a water content of the incoming waste, are estimated via a parameter estimation algorithm for time varying parameters based on Kalman Filters. The estimated process parameters can then used to determine, in a controller for real-time control of the waste incineration plant, control parameters, such as a waste feed rate, corresponding to input variables of a model of the waste combustion process.