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 Title: Reliable Decentralized Controller Design for Discrete/continuous-Time, Sampled-Data, and Multirate Systems Author(s): Shor, Molly Hathaway Doctoral Committee Chair(s): Perkins, W.R., Department / Program: Electrical Engineering Discipline: Electrical Engineering Degree Granting Institution: University of Illinois at Urbana-Champaign Degree: Ph.D. Genre: Dissertation Subject(s): Engineering, Electronics and Electrical Engineering, System Science Abstract: Observer-based controller designs are presented that are robust to failures from a preselected set of sensors or actuators for both centralized and decentralized systems. The designs guarantee stability and an $H\sb\infty$-norm bound on the closed-loop system despite failures in any subset of that preselected set of sensors or actuators. The discrete-time divided-difference operator formulation facilitates the solution of three problems: the unification of discrete- and continuous-time results for sampled-data systems, providing a numerical method for solving the decentralized discrete-time design equation; the design of sampled-data decentralized controllers that bound the continuous-time closed-loop system norm; and the design of multirate decentralized digital controllers for systems with sensors and actuators operating at different sampling and zero-order-hold rates. Issue Date: 1992 Type: Text Description: 162 p.Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1992. URI: http://hdl.handle.net/2142/71985 Other Identifier(s): (UMI)AAI9305694 Date Available in IDEALS: 2014-12-16 Date Deposited: 1992
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