Titlebook: Digital Control Systems; Rolf Isermann Textbook 19811st edition Springer-Verlag Berlin Heidelberg 1981 Mikrocomputer.Prozessrechner.Regelu

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Structures of Multivariable Processes diagram conversion rules. The following sections consider special structures of multivariable processes based on the transfer function representation, matrix polynomial representation and state representation. These structures are the basis for the designs of multivariable controllers presented in the following chapters.

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Minutes

Comparison of Different Controllers for Deterministic Disturbancesormance for two test processes is compared quantitatively for different controllers in sections 11.2 and 11.3. The dynamic control factors for different controllers are compared in section 11.4. Finally section 11.5 draws conclusions as to the application of the various control algorithms.

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Cascade Control Systemsxample parameter optimized controllers, by assuming this state variable to be an auxiliary control variable y. which is fed back to the manipulated variable via an .,as shown in Figure 16.1. Then the process part G. and the auxiliary controller G. form an auxiliary control loop whose reference value is the output of the . G..

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Monastic Obedience and the Religious Housesly then these differencies are manifested as parameter errors. Moreover, during most cases of normal operation, changes of process behaviour arise for example through changes of the working point (the load) or changes of the energy-, mass- or momentum-storages or flows. When designing controllers we must therefore assume:

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