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The use of a multi-fenestron tail rotor system on a helicopter to improve flight safety

Safety of helicopter tail rotor flights depends largely on the reliability of the tail rotor control system. Tail rotor damage and failure in many cases can lead to catastrophic consequences. Helicopters having a fenestron have certain advantages over helicopters having a conventional tail rotor in terms of safety and reliability, but failure of the fenestron can also lead to catastrophic consequences. In order to improve the safety and reliability of a helicopter that has a tail rotor to compensate the reactive torque of the main rotor, a multi-fenestron control system is proposed in this undergraduate work. Within the framework of this work, conceptual design of the helicopter with multi-fenestration system, which has features, and as a result, an algorithm for designing a helicopter with multi-fenestration system was developed. In this work, also evaluated the level of improvement of safety and reliability of the helicopter with a multi-fenestration system in comparison with the traditional scheme, calculations showed the provision of a high level of reliability for a sufficiently long operating period.

Author: Artjoms Gudkovs

Supervisor: Sergey Junusovs

Degree: Bachelor

Year: 2024

Work Language: English

Study programme: Aviation Engineering

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Drone manipulator optimization and integration in affordable quadcopter

This paper explores the development of a drone-attachable manipulator designed to perform construction and maintenance tasks, moving beyond the traditional use of UAVs for monitoring. Our primary objective is to design a manipulator capable of lifting objects weighing up to 300 grams, adhering to principles of low cost, ease of manufacturing, and high quality. We begin with a literature review of UAV types and their suitability for integration with manipulators. The design process involves creating multiple manipulator prototypes using Solidworks for simulations to gather data on performance and structural integrity.Static stress and displacement analyses are conducted to identify areas of high stress and potential deformation. Initial designs demonstrate that the static force required to hold a 300-gram object exceeds the capabilities of our prototypes. The final manipulator design is tested for its lifting capabilities and operational limitations. Re The study concludes with an evaluation of the design process, limitations, and potential for future applications of UAV-integrated manipulators in infrastructure construction and maintenance

Author: Arvis Maiželis

Supervisor: Adham Ahmed Awad Elsayed Elmenshawy

Degree: Bachelor

Year: 2024

Work Language: English

Study programme: Aviation Engineering

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