The systematic design of control systems for large multivariable linear time-invariant systems

A systematic design procedure for determining realistic feedforward-feedback control systems for large multivariable linear constant systems is outlined in this paper. A numerical example of a boiler system and a distillation column is included and a comparison of the simulated response of the controlled systems obtained by the proposed method is made with the corresponding conventional control systems. The new control systems obtained are relatively simple, are realistic to implement, and appear to be a significant improvement over the conventional ones.

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