An observer design for linear systems with unknown inputs

DOI10.1080/00207178208922642zbMath0487.93014OpenAlexW2089382940MaRDI QIDQ3948935

Nobuaki Kobayashi, T. Nakamizo

Publication date: 1982

Published in: International Journal of Control (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1080/00207178208922642

zbMATH Keywords

observerinversionunknown inputsinvariant zeros

Mathematics Subject Classification ID

Linear systems in control theory (93C05) Observability (93B07) Algebraic methods (93B25) Model systems in control theory (93C99)

Related Items (15)

A local characterization of observability ⋮ Unknown disturbance inputs estimation based on a state functional observer design. ⋮ Design of unknown input observers and robust fault detection filters ⋮ Closed-loop, state and input observer for systems with unknown inputs ⋮ Full-order observer design for linear systems with unknown inputs ⋮ Observers for linear dynamical systems with indeterminacy ⋮ A subspace algorithm for simultaneous identification and input reconstruction ⋮ Optimal state filter from sequential unknown input reconstruction: Application to distributed state filtering ⋮ Disturbance decoupled estimation for linear differential-algebraic systems ⋮ Coupled and constrained Sylvester equations in system design ⋮ Robust adaptive sliding mode fault tolerant control for nonlinear system with actuator fault and external disturbance ⋮ Unknown input observers for singular systems designed by eigenstructure assignment ⋮ Selected Estimation Strategies for Fault Diagnosis of Nonlinear Systems ⋮ Some preliminaries on unknown input observers, discontinuous observers and sliding mode observers design ⋮ Existence conditions for unknown input functional observers

Cites Work

• On the observability of linear, time-invariant systems with unknown inputs
• Observing the states of systems with unmeasurable disturbances
• Reduced-order observers for multivariable systems with inaccessible disturbance inputs
• Stable inversion of linear systems
• Observer design for linear systems with unknown inputs
• Observers for systems with unknown and inaccessible inputs†
• Input–Output Structure of Linear Systems with Application to the Decoupling Problem

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