An indirect adaptive predictive control for the pitch channel autopilot of a flight system

Karim Salahshoor, Ali Khaki-Sedigh, Pouria Sarhadi

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


In this paper a novel method for adaptive predictive control of a launch vehicle is presented. Nonlinear dynamics of these systems cause challenging problems in controller design. Linearizing the system in diverse operating points and designing appropriate controllers for these systems is an interesting idea in industry. The outcome is a linear time varying (LTV) system. Dealing with time varying dynamics is a challenging issue in control theory. Adaptive control approach presents a well-established methodology to address the subject of flight control systems. This paper proposes an indirect adaptive predictive idea to control the pitch channel dynamics of a launch vehicle. For this purpose, a robust estimator and a robustly-tuned generalized predictive controller are incorporated to present a robust adaptive scheme. The proposed technique is applied to pitch channel model of Vanguard missile. A set of test scenarios is conducted to explore the performance of proposed controller in various conditions. The results demonstrate the fidelity of this method to yield high performance in the presence of time-varying parameters under various un-modeled dynamics and external disturbances.

Original languageEnglish
Pages (from-to)78-87
Number of pages10
JournalAerospace Science and Technology
Publication statusPublished - 29 Apr 2015


  • Augmented UD identification with selective forgetting
  • Indirect adaptive control
  • Launch vehicle control
  • Linear Time Varying Systems
  • Predictive control


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