Feedback linearization designs for uncertain nonlinear time-delay processes: A comparative study

Wei Wu, Yi Shyong Chou, Ching Tien Liou, Yu Shu Chien

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


This work concerns the phenomena in which the feedback linearization control is applied to uncertain nonlinear time-delay processes. Under the I/O linearization algorithm, both nonlinear controllers are used to stabilize the closed-loop system with transformed delay inputs. When the effect of input perturbations can converge to zero or asymptotically vanish, these nonlinear feedback designs with only an adjustable parameter can directly improve the tracking performance. The simple linearizing controller can directly regulate the system output at unstable operating point. Combined with deadtime compensation the nonlinear predictive controller with the aid of appropriate state prediction is valid for the real process in the presence of large time delay. Finally, via computer simulation and test of control ability of both feedback control designs the useful comparative results are presented.

Original languageEnglish
Pages (from-to)187-206
Number of pages20
JournalChemical Engineering Communications
Publication statusPublished - 2000 Dec

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)


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