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On the modified Smith predictor for controlling a process with an integrator and long dead-time

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2 Author(s)
Matausek, M.R. ; Fac. of Electr. Eng., Belgrade Univ., Serbia ; Micic, A.D.

A dead-time compensator for controlling higher-order processes with integral action and long dead-time is proposed. Tuning formulas are derived. If the velocity gain and the dead-time are estimated experimentally, only one parameter, the time constant defining the speed of the closed-loop setpoint response, has to be tuned manually. The same setpoint response is obtained as in the modified Smith predictor, while the load disturbance rejection is considerably faster

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Automatic Control, IEEE Transactions on  (Volume:44 ,  Issue: 8 )