Redundant attitude control system for the unpowered 3rd stage of the Shavit launcher

M. Klots, M. Goldstein, A. Kahane, Y. Levy

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


This article presents the design of a redundant, three-axis attitude control system (ACS) of the Shavit space launcher. The ACS consists of two independent systems, each one capable controlling the pitch/yaw axes, while only one controls the roll axis. Selection/intervention logic between the systems must be chosen. Two types of intervention logic are discussed: passive intervention and fault-detection. It is shown, that passive intervention in pitch/yaw coupled with active identification in roll is the better choice. The selected logic is demonstrated through simulations and in-flight performance.
Original languageEnglish
Title of host publicationProceedings of the 48th Israel Annual Conference on Aerospace Sciences
Place of PublicationTel-Aviv and Haifa, Israel
PublisherFaculty of Aerospace Engineering, Technion]
Pages704 - 720
StatePublished - 2008


  • Aerospace engineering
  • Attitude control
  • Communication satellites
  • Fault detection
  • Flight control systems
  • Flight simulators


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