Design optimisation of a reconfigurable perching element for vertical take-off and landing unmanned aerial vehicles

Abstract

Vertical Take-off and Landing (VTOL) multi-rotor rotary-wing vehicles face many challenges such as harsh weather conditions and low endurance which affect their overall performance and usability. The current usage of these types of small Unmanned Aerial Vehicles (sUAVs) has changed to an urban and cluttered environment, which the larger fixed-wing UAVs cannot access and gain the required data. With interesting flight regimes such as perching, small man-portable UAVs have found their way into the military and the ever growing civilian sector. This paper aims to provide a method of setting design parameters for a reconfigurable perching element, which replaces the current landing gear on a VTOL UAV which has a maximum take-off mass (MTOM) of <1.5 kg. These design parameters are used to create concepts along with various different grasping methods to cover the design solution space. A weighted matrix method was applied for the design selection and optimisation process, where carefully selected criteria and weightings were chosen to give the VTOL UAV the ability to perch on top of lighting columns, which are a common form of street furniture found in most urban environments.

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Identifiers

ORCID for Stephen D. Prior: orcid.org/0000-0002-4993-4942

ORCID for Andrew J. Keane: orcid.org/0000-0001-7993-1569

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