Finite Element Analysis of Amphibian UAV Structure

Sheng, Ting Kee; Esakki, Balasubramanian; Ponnambalam, Arunkumar

doi:10.1007/978-981-13-8468-4_24

Cited by 3 publications

(3 citation statements)

References 5 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Bhandari et al [22] used Creo 2.0 and ANSYS for modeling and vibration analysis, tailoring a frame for heavy transportation. Sheng et al [23] developed a 7 kg amphibious vehicle, evaluated through FEA for structural integrity and tested across multiple terrains. Zhang et al [24] created a three-layered sandwiched quadcopter frame with optimized carbon fiber layers, improving endurance to 29 min and payload to 700 g. Chan et al [25] designed and tested a 3D-printed quadcopter frame, analyzing stress and aerodynamics, comparable to the DJI F450.…”

Section: Related Workmentioning

confidence: 99%

Quadcopter Unmanned Aerial Vehicle Structural Design Using an Integrated Approach of Topology Optimization and Additive Manufacturing

Al-Haddad,

Jaber,

Giernacki

et al. 2024

Designs

View full text Add to dashboard Cite

The performance of quadcopter frames, particularly in terms of weight and crash resistance, is significantly influenced by their structural design and manufacturing process. In this work, a methodology is proposed that integrates advanced principles of topology optimization (TO) and additive manufacturing (AM) techniques to optimize the frame structure for improved performance. First, an analysis is conducted to evaluate existing quadcopter frame configurations, identifying areas for improvement. Experimental evaluations of thrust and moment of motors are performed to assess the performance of the enhanced quadcopter frame, with a focus on advancing the design through computer-aided simulations of static structural analysis and impact tests. The TO technique is then employed to determine the optimal distribution of material within the frame, governed by constraints such as weight reduction and mechanical strength. The results demonstrate that the overall performance of a quadcopter frame is significantly improved by the proposed methodology, showcasing advancements in stability, weight reduction, and crashworthiness. The resulting optimized frame design is subsequently manufactured using AM methods, which offer advantages such as design flexibility and the ability to produce complex geometries. The findings of this study contribute to the field of quadcopter design and optimization by highlighting the synergies between TO and AM techniques. An avenue is offered for the development of lightweight and robust quadcopter frames, as the capabilities and performance of quadcopter systems are advanced. The insights gained from this research open up opportunities for further advancements in the design and manufacturing of UAVs.

show abstract

Section: Related Workmentioning

confidence: 99%

Quadcopter Unmanned Aerial Vehicle Structural Design Using an Integrated Approach of Topology Optimization and Additive Manufacturing

Al-Haddad,

Jaber,

Giernacki

et al. 2024

Designs

View full text Add to dashboard Cite

show abstract

“…In engineering and applied sciences, Finite Element Analysis (FEA) is of paramount importance, serving as a potent computational tool for simulating and analyzing complex structures and systems [66][67][68]. FEA has made a great contribution to UAV analysis due to their capability of structural analyzing, design, and topology optimization [38,69,70]. This study employed FEA to determine the natural frequency of which the optimal sampling frequency for vibration signal acquisition will depend upon.…”

Section: Finite Element Analysis Approachmentioning

confidence: 99%

Vibration Signal Processing for Multirotor UAVs Fault Diagnosis: Filtering or Multiresolution Analysis?

Al-Haddad,

Giernacki,

Shandookh

et al. 2023

Eksploatacja i Niezawodność – Maintenance and Reliability

View full text Add to dashboard Cite

In the modern technological advancements, Unmanned Aerial Vehicles (UAVs) have emerged across diverse applications. As UAVs evolve, fault diagnosis witnessed great advancements, with signal processing methodologies taking center stage. This paper presents an assessment of vibration-based signal processing techniques, focusing on Kalman filtering (KF) and Discrete Wavelet Transform (DWT) multiresolution analysis. Experimental evaluation of healthy and faulty states in a quadcopter, using an accelerometer, are presented. The determination of the 1024 Hz sampling frequency is facilitated through finite element analysis of 20 mode shapes. KF exhibits commendable performance, successfully segregating faulty and healthy peaks within an acceptable range. While the six-level multi-decomposition unveils good explanations for fluctuations eluding KF. Ultimately, both KF and DWT showcase high-performance capabilities in fault diagnosis. However, DWT shows superior assessment precision, uncovering intricate details and facilitating a holistic understanding of fault-related characteristics.

show abstract

“…The finite element method is confirmed as the most suitable method in the conceptual design phase. [4][5][6] The choice of materials is also very important for the elements and structures design, and in aviation industry, composite materials are prevailingly utilized. Composite materials with their mechanical characteristics and lower mass justify the required performance compared to common materials such as metals and wood.…”

Section: Introductionmentioning

confidence: 99%

Mathematical modeling and experimental investigation of a composite beam failure - Case study

Milic,

Svorcan,

Zoric

et al. 2023

Proceedings of the Institution of Mechanical Engineers, Part C:

View full text Add to dashboard Cite

Composite materials have been extensively employed in the aviation industry in recent years. The application of new materials enables significant weight savings with improved mechanical characteristics. This is also very important in the field of development of unmanned aerial vehicles (UAV). In the design phases, it is necessary to perceive all the aspects that are important for the structure and consider different load cases. The relationship between weight and strength proved to be important. This means that detailed strength analyses of each structural part are indispensable. In particular, primary load-bearing structures must sustain all types of loads without fail. Failure of the structure can affect the motion of the UAV during the mission or lead to a crash and significant losses. This paper presents the research performed on the failure analysis of a composite beam of a novel UAV. During the testing phase, under an unpredictable load condition followed by a crash landing, failure of the structure occurred on a beam element. The study was performed to determine the cause of the failure of certain layers of the composite laminate, because the previous calculation showed that it met the criteria for which it was dimensioned. Based on the telemetry data and the impact load that was registered, a complementary numerical and experimental analyses were performed to determine what happened and why. Composite test specimens were extracted from the beam and subjected to standard tensile tests, in order to determine the actual mechanical characteristics of the layered material. The paper presents in detail the comparison of the results as well as the methodology used in this research.

show abstract

Finite Element Analysis of Amphibian UAV Structure

Cited by 3 publications

References 5 publications

Quadcopter Unmanned Aerial Vehicle Structural Design Using an Integrated Approach of Topology Optimization and Additive Manufacturing

Quadcopter Unmanned Aerial Vehicle Structural Design Using an Integrated Approach of Topology Optimization and Additive Manufacturing

Vibration Signal Processing for Multirotor UAVs Fault Diagnosis: Filtering or Multiresolution Analysis?

Mathematical modeling and experimental investigation of a composite beam failure - Case study

Contact Info

Product

Resources

About