Decentralized tracking with disturbance attenuation by nonlinear output feedback

Zhong Ping Jiang, Guangyu Zhou

Research output: Contribution to journalArticlepeer-review


The problem of decentralized output-feedback tracking with disturbance attenuation is addressed for a new class of large-scale and minimum-phase nonlinear systems. Common assumptions like matching and growth conditions are not required for the underlying decentralized system with a diagonal structure. A novel observer-based decentralized controller design is presented. The proposed decentralized output-feedback laws achieve asymptotic tracking and internal Lagrange stability when the disturbance inputs disappear, and, guarantee external stability in the presence of disturbance inputs. These external stability properties include Sontag's ISS and iISS conditions and standard L2-gain property.

Original languageEnglish (US)
Pages (from-to)1467-1472
Number of pages6
JournalProceedings of the American Control Conference
StatePublished - Jun 2001

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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