Information-state approach to risk-sensitive tracking problems

Iain B. Collings*, Matthew R. James, John B. Moore

*Corresponding author for this work

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

In this paper an information-state approach is used to obtain solutions to risk-sensitive quadratic control and tracking problems. Results are presented for linear discrete-time models with Gaussian noise, and also for finite-discrete state, discrete-time hidden Markov models with continuous-range observations. These results give insight to more general information-state methods for nonlinear systems. Using such methods the tracking solution is obtained without appealing to a certainty equivalence principle. Limit results are presented which demonstrate the link to standard linear quadratic Gaussian control. Also presented is a discussion on achieving zero steady state error with risk-sensitive control policies. Simulation studies are presented to show some advantages of using the risk-sensitive approach.

Original languageEnglish
Pages (from-to)343-346
Number of pages4
JournalJournal of Mathematical Systems, Estimation, and Control
Volume6
Issue number3
Publication statusPublished - 1996

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