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Control Effectiveness of a Ducted-fan UAV using Linear, Adaptive and MPC Controllers in Specified Flight Conditions

Emami, Mohammad Ali | 2013

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 45245 (45)
  4. University: Sharif University of Technology
  5. Department: Aerospace Engineering
  6. Advisor(s): Banazadeh, Afshin
  7. Abstract:
  8. Nowadays, vertical take-off and landing (VTOL) UAVs are widely used in various commercial and military applications due to its high flying capabilities. RMIT VTOL is a special design of this family. This bird has a small size and low weight and along with the vertical takeoff and landing capabilities, it also has the ability to fly at high speed Cruise.
    The overall objective of this project is to design and evaluate the efficiency of the proposed three control methods that are linear, predictive and adaptive on the dynamic model of this bird. Thus, the first part of the project is obtaining a dynamic model with sufficient detail for the dedicated bird. This model consists of different parts of the bird, including control surfaces, aerodynamic surfaces, the fan and its driving force and it should be able to match with the data obtained from actual model of bird in vertical and horizontal flight.
    After derivation of the model, the second part of the project for the controller design is discussed. Fundamental issue in the VTOL design is the control problem of these birds. Because of their inherent instability in vertical flight, control problem of them must be considered a challenge. In this project, three control methods that are linear, adaptive and predictive is designed for dynamical model of the bird in vertical and horizontal flight, and by comparing the results of simulation of designed system the suitable method for this bird may be found
  9. Keywords:
  10. Vertical Take-Off and Landing (VtOL) ; Modeling ; Adaptive Control ; Predictive Control

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