1994•IEEE Transactions on Automatic ControlOpen access

A new Smith predictor for controlling a process with an integrator and long dead-time

Karl Johan Åström, C.C. Hang, Bokman Lim

Abstract

A new Smith predictor for control of a process with an integrator and long dead-time is proposed in this note. The controller decouples the setpoint response from the load response. This simplifies both design and tuning. Simulation results obtained by controlling a typical process show that the new controller has superior performance compared to previous algorithms.>

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Key concepts: Setpoint, Integrator, Smith predictor, Dead time, Controller (irrigation), Process (computing), Process control, Control theory (sociology)