Design and implementation of a dual-axis tilting quadcopter

Ali Bin Junaid, Alejandro Diaz De Cerio Sanchez, Javier Betancor Bosch, Nikolaos Vitzilaios, Yahya Zweiri

Research output: Contribution to journalArticlepeer-review

33 Scopus citations


Standard quadcopters are popular largely because of their mechanical simplicity relative to other hovering aircraft, low cost and minimum operator involvement. However, this simplicity imposes fundamental limits on the types of maneuvers possible due to its under-actuation. The dexterity and fault tolerance required for flying in limited spaces like forests and industrial infrastructures dictate the use of a bespoke dual-tilting quadcopter that can launch vertically, performs autonomous flight between adjacent obstacles and is even capable of flying in the event of the failure of one or two motors. This paper proposes an actuation concept to enhance the performance characteristics of the conventional under-actuated quadcopter. The practical formation of this concept is followed by the design, modeling, simulation and prototyping of a dual-axis tilting quadcopter. Outdoor flight tests using tilting rotors, to follow a trajectory containing adjacent obstacles, were conducted in order to compare the flight of conventional quadcopter with the proposed over-actuated vehicle. The results show that the quadcopter with tilting rotors provides more agility and mobility to the vehicle especially in narrow indoor and outdoor infrastructures.

Original languageBritish English
Article number65
Issue number4
StatePublished - 20 Oct 2018


  • Aerial robotics
  • Dual-tilting
  • Flight control
  • Over-actuation
  • Quadcopters
  • Rotorcraft
  • Tilting rotors
  • UAVs


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