Controllers of Ziegler-Nichols type for unstable process with time delay

Controllers of Ziegler-Nichols type for unstable process with time delay

Proportional (P), proportional plus integral (PI) and proportional plus integral plus derivative (PID) controllers are designed for a time-delayed process having latency L and a single right half-plane pole at s=λ, with λL < 1. Explicit designs are derived from the concept of phase margin, and an...

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Veröffentlicht in:International journal of control 1989-04, Vol.49 (4), p.1273-1284
Hauptverfasser: De Paor, Annraoi M., O'Malley, Mark
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Computer science
control theory
systems
Control system synthesis
Control theory. Systems
Exact sciences and technology
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Zusammenfassung:Proportional (P), proportional plus integral (PI) and proportional plus integral plus derivative (PID) controllers are designed for a time-delayed process having latency L and a single right half-plane pole at s=λ, with λL < 1. Explicit designs are derived from the concept of phase margin, and an optimum stability approach for PI controllers is based on a parameter plane study. An optimum gain margin design is also given for P control.
ISSN:0020-7179
1366-5820
DOI:10.1080/00207178908559705