Near-optimal observer-based control of discrete two-time-scale systems

Ming Shyan Wang, Tzuu Hseng S. Li, York Yih Sun

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


The design of near-optimal observer-based controllers for discrete two-time- scale systems with inaccessible states is considered. The controller is established by the design of the controllers of slow and fast subsystems via the quasi-steady-state method. The stability bound of the singular perturbation parameter and the value of the minimum performance index for the actual closed-loop system are determined. A digital flight control system of a twin-engine aircraft is used to demonstrate the desired scheme.

Original languageEnglish
Pages (from-to)651-663
Number of pages13
JournalJournal of the Franklin Institute
Issue number4
Publication statusPublished - 1993 Jul

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Signal Processing
  • Computer Networks and Communications
  • Applied Mathematics

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