Handling of the feasibility of restrictions and limits in a method for process control systems

摘要

A optimization technique for use in operating a process systems - control device such as a model forecast - control device uses an organised, systematic, but a computationally simple method of the loosening or redefining of actuators -, - control and / or the auxiliary variable - limitations, if there is no, which can be implemented within an optimal solution of the previously preset limitations, in order to thereby provide a solution which can be achieved for use by the control device to develop. The optimization routine sanctions play space occupied used with variable and / or defines the restriction model, in connection with the use of new criminal variables, in order to develop a new target function, and then uses the new target function, in order to determine a control solution, which maintains the original limitations on the best.