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A Hybrid Nonlinear Controller - Case Study of a CSTR

María C. Colantonio, JA Romagnoli, A. Desages, A. Palazoglus

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Abstract

A nonlinear control strategy that combines the Internal Model Control (IMC) structure with a sliding mode controller (SMC) is presented, and applied to a Continuous Stirred Tank Reactor (CSTR). This hybrid controller achieves an asymptotically stable output response in the presence of unmeasured disturbances and unmodelled dynamics around all equilibrium points.

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What this paper is about

A nonlinear control strategy that combines the Internal Model Control (IMC) structure with a sliding mode controller (SMC) is presented, and applied to a Continuous Stirred Tank Reactor (CSTR). This hybrid controller achieves an asymptotically stable output response in the presence of unmeasured disturbances and unmodelled dynamics around all equilibrium points.

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Available abstract

A nonlinear control strategy that combines the Internal Model Control (IMC) structure with a sliding mode controller (SMC) is presented, and applied to a Continuous Stirred Tank Reactor (CSTR). This hybrid controller achieves an asymptotically stable output response in the presence of unmeasured disturbances and unmodelled dynamics around all equilibrium points.

Key concepts: Continuous stirred-tank reactor, Control theory (sociology), Controller (irrigation), Nonlinear system, Internal model, Sliding mode control, Chemical reactor, Control engineering

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