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Control systems used should be stable for all bounded inputs.Process controllers may produce unstable outputs even though the process itself is stable.The system will be stable depends on poles of a dynamic system i.e. the real part of pole is negative.. . General concerns. If we consider the r
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1. Chapter VI Process Models in the Laplace Domain We will discuss mathematical models of chemical process in time domain.6.1 The characteristic equation6.2 The Routh-Hurwitz Criterion6.3 The Root Locus Method