Fundamental control system design issues for scramjet-powered hypersonic vehicles

Justin A. Echols, Karan Puttannaiah, Kaustav Mondal, Armando Rodriguez

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

6 Scopus citations


This paper investigates various control centric characteristics of a 3. DOF model of an air- breathing hypersonic vehicle. The model of interest is characterized by significant coupling, instability, non-minimum phase dynamics and a large minimized condition numbers (and relative gain elements) near desirable bandwidths of operation. Due to the ill conditioning of this problem, obtaining desirable control properties at various loop breaking points (specifically, the error and the controls) is a non-trivial undertaking. We use a Weighted H221E Output Feedback Mixed-Sensitivity approach – one that exploits input disturbances in the generalized plant as well as the reference commands. Including reference commands and input disturbances within the generalized plant gives us a design framework to achieve good properties at the error and the controls.

Original languageEnglish (US)
Title of host publicationAIAA Guidance, Navigation, and Control Conference
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
ISBN (Print)9781624103391
StatePublished - 2015
EventAIAA Guidance, Navigation, and Control Conference, 2015 - Kissimmee, United States
Duration: Jan 5 2015Jan 9 2015


OtherAIAA Guidance, Navigation, and Control Conference, 2015
Country/TerritoryUnited States

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Aerospace Engineering
  • Control and Systems Engineering


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