Please use this identifier to cite or link to this item:
https://scholarbank.nus.edu.sg/handle/10635/62698
DC Field | Value | |
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dc.title | Refinements of the Ziegler-Nichols tuning formula | |
dc.contributor.author | Hang, C.C. | |
dc.contributor.author | Astrom, K.J. | |
dc.contributor.author | Ho, W.K. | |
dc.date.accessioned | 2014-06-17T06:53:54Z | |
dc.date.available | 2014-06-17T06:53:54Z | |
dc.date.issued | 1991-03 | |
dc.identifier.citation | Hang, C.C.,Astrom, K.J.,Ho, W.K. (1991-03). Refinements of the Ziegler-Nichols tuning formula. IEE Proceedings D: Control Theory and Applications 138 (2) : 111-118. ScholarBank@NUS Repository. | |
dc.identifier.issn | 01437054 | |
dc.identifier.uri | http://scholarbank.nus.edu.sg/handle/10635/62698 | |
dc.description.abstract | The accuracy of the Ziegler-Nichols tuning formula is reviewed in the context of PID and PI autotuning. For PID autotuning, it will be shown that, for excessive overshoot in the set-point response, set-point weighting can reduce the overshoot to specified values, and the original Ziegler-Nichols tuning formula can be retained. It will also be shown that set-point weighting is superior to the conventional solution of reducing large overshoot by gain detuning or set-point filtering. However, for excessive set-point undershoot, the tuning formula will have to be modified. For PI autotuning, it will be shown that the Ziegler-Nichols tuning formula is inadequate and has to be completely revised. The application of set-point weighting and the modification of the tuning formula can be based simply on the knowledge of the normalised gain or normalised deadtime of the process. These heuristic refinements, when incorporated, will give appreciable improvement in the performance of autotuners. | |
dc.source | Scopus | |
dc.type | Article | |
dc.contributor.department | ELECTRICAL ENGINEERING | |
dc.description.sourcetitle | IEE Proceedings D: Control Theory and Applications | |
dc.description.volume | 138 | |
dc.description.issue | 2 | |
dc.description.page | 111-118 | |
dc.description.coden | IPDAD | |
dc.identifier.isiut | NOT_IN_WOS | |
Appears in Collections: | Staff Publications |
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