State-based scheduling of real-time UAV flight control avionics tasks

Gidado Yisa Immanuel, Eric N. Johnson

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

With the coalescence of the advanced technologies such as powerful processors, fast networks, and concurrent programming, it is possible to begin to challenge traditional avionics architectures used for navigation and flight control, particularly on UAV platforms. Timing uncertainty in data delivery and computational rates is a challenge in these new architectures. This paper looks specifically at variance task computational rates. A control application is decomposed into tasks, which are managed by a scheduler. This paper demonstrates that it is possible to move task scheduling from a design-time activity to a run-time activity. This paper outlines the design of state-based schedulers to adjust the computational update periods of periodic tasks. The schedulers are shown to produce performance results comparable with static schedulers but with substantially lower processor utilization. Moreover, the processor utilization is dynamic and responds to the system based on specified system performance metrics.

Original languageEnglish (US)
Title of host publicationCollection of Technical Papers - InfoTech at Aerospace
Subtitle of host publicationAdvancing Contemporary Aerospace Technologies and Their Integration
Pages945-951
Number of pages7
StatePublished - Dec 1 2005
EventInfoTech at Aerospace: Advancing Contemporary Aerospace Technologies and Their Integration - Arlington, VA, United States
Duration: Sep 26 2005Sep 29 2005

Publication series

NameCollection of Technical Papers - InfoTech at Aerospace: Advancing Contemporary Aerospace Technologies and Their Integration
Volume2

Other

OtherInfoTech at Aerospace: Advancing Contemporary Aerospace Technologies and Their Integration
CountryUnited States
CityArlington, VA
Period9/26/059/29/05

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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    Immanuel, G. Y., & Johnson, E. N. (2005). State-based scheduling of real-time UAV flight control avionics tasks. In Collection of Technical Papers - InfoTech at Aerospace: Advancing Contemporary Aerospace Technologies and Their Integration (pp. 945-951). (Collection of Technical Papers - InfoTech at Aerospace: Advancing Contemporary Aerospace Technologies and Their Integration; Vol. 2).