NDLI: LQ Optimal and Robust Control of Perishable Inventory Systems With Multiple Supply Options

Content Provider	IEEE Xplore Digital Library
Author	Ignaciuk, P.
Copyright Year	1963
Abstract	In this technical note, an analytical framework for studying the dynamics of perishable inventory systems is developed using control-theoretic approach. In the considered systems, the deteriorating stock at a goods distribution center is used to fulfill unknown, time-varying demand. The stock is replenished using multiple supply options characterized by different lead-time delay. In contrast to the classical stochastic, or heuristic approaches, a formal design procedure based on discrete-time linear-quadratic (LQ) optimal control is employed. The analytically derived suboptimal controller satisfies positivity constraints and ensures full demand satisfaction for any bounded demand pattern. Moreover, a methodology for analysis of parametric uncertainties is elaborated, and another, nonlinear controller that guarantees robustness to uncertain delay variations is designed.
Sponsorship	IEEE Control Systems Society
Starting Page	2108
Ending Page	2113
Page Count	6
File Size	1291892
File Format	PDF
ISSN	00189286
Volume Number	58
Issue Number	8
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-08-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Delay Robustness Optimal control Vectors Uncertainty Optimization Oscillators time-delay systems Inventory control optimal control perishable inventory systems
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Electrical and Electronic Engineering Computer Science Applications

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