2001
DOI: 10.1016/s0959-1524(00)00005-6
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A two degree of freedom level control

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Cited by 30 publications
(19 citation statements)
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“…Level processes generally do not have a dead time except for certain rare occasions such as level loops in which the control valve has a dead zone. Therefore, the dead time in level processes cannot be too large and has to be maintained at almost 10% of the hold-up time (Wu et al, 2001). Fig.…”
Section: Illustrative Examplesmentioning
confidence: 99%
See 1 more Smart Citation
“…Level processes generally do not have a dead time except for certain rare occasions such as level loops in which the control valve has a dead zone. Therefore, the dead time in level processes cannot be too large and has to be maintained at almost 10% of the hold-up time (Wu et al, 2001). Fig.…”
Section: Illustrative Examplesmentioning
confidence: 99%
“…However, it is quite complicated to determine the tuning parameters of a PI controller. Proportional-lag control (Luyben & Buckley, 1977) is a potentially good solution for liquid level control systems with feedforward compensation, but such feedforward control schemes (Luyben & Buckley, 1977;Wu, Yu, & Cheung, 2001) require an additional measurement which may be unavailable. Rivera, Morari, and Skogestad (1986) proposed the P-only controller using the internal model control (IMC) principle for the critically damped closed-loop response of a liquid level control system.…”
Section: Introductionmentioning
confidence: 99%
“…An expansion has been made to proportional-lag level control by load estimation for liquid level control in [14]. An automatic controller has been intended to control for the water level of a steam generator with no manual operation from start-up to full load transient conditions in [15].…”
Section: Introductionmentioning
confidence: 99%
“…The (de-)tuning of PI controllers has been addressed in (Cheung and Luyben, 1979), (Kelly, 1998) and (Shin et al, 2008) amongst others. A control structure permitting separate responses to set-point and load disturbances were proposed by Wu et al (2001). The optimal non-linear continuous-and discrete-time controllers were derived in (McDonald et al, 1986) and in (Campo and Morari, 1989) respectively.…”
Section: Introductionmentioning
confidence: 99%