Periodic optimal saw-Tooth flight of motor gliders with retractable jet engine

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

Abstract

The range performance of motor gliders with a retractable jet engine is dealt with. This performance topic is treated as a periodic optimal control problem, addressing a flight type known as saw-Tooth mode. The saw-Tooth mode consists of continually repeated cycles each of which comprises a climbing phase with the engine extended followed by a gliding phase with the engine retracted. It is shown that the maximum range achievable with the optimal saw-Tooth mode is larger than the maximum range of optimal steady-state cruise where the engine is permanently extended. With an optimization treatment based on energy considerations, analytical solutions are developed. Furthermore, a treatment using a point mass dynamics modelling is performed and an efficient optimization method is applied for solving the maximum-range problem.

Original languageEnglish
Title of host publicationProceedings of the 13th Mini Conference on Vehicle System Dynamics, Identification and Anomalies, VSDIA 2012
EditorsIstvan Zobory
PublisherBudapest University of Technology and Economics
Pages433-445
Number of pages13
ISBN (Electronic)9789633131022
StatePublished - 2012
Event13th Mini Conference on Vehicle System Dynamics, Identification and Anomalies, VSDIA 2012 - Budapest, Hungary
Duration: 5 Nov 20127 Nov 2012

Publication series

NameProceedings of the Mini Conference on Vehicle System Dynamics, Identification and Anomalies
Volume2012-November

Conference

Conference13th Mini Conference on Vehicle System Dynamics, Identification and Anomalies, VSDIA 2012
Country/TerritoryHungary
CityBudapest
Period5/11/127/11/12

Keywords

  • Jet engine
  • Motor glider
  • Periodic optimal flight
  • Saw-Tooth flight mode

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