Results 41 to 50 of about 1,267 (185)
Signal Enhancement of Helicopter Rotor Aerodynamic Noise Based on Cyclic Wiener Filtering
Applied Sciences, 2022 The research on helicopter rotor aerodynamic noise becomes imperative with the wide use of helicopters in civilian fields. In this study, a signal enhancement method based on cyclic Wiener filtering was proposed given the cyclostationarity of rotor ...
Chengfeng Wu +3 more
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The Trajectory and Structural Integrity of Aerially Deployed Manufactured Baits for Canid Control
Ecological Management &Restoration, Volume 27, Issue 2, May 2026.ABSTRACT In Australia, poison baits are aerially deployed in remote and inaccessible areas to mitigate invasive animal impacts. Program efficacy and compliance with mandated distance restrictions require accurate bait distribution but deployment accuracy and precision have not been evaluated for Doggone manufactured baits.
Elly Gooch +6 more
wiley +1 more source
Advanced Intelligent Systems, Volume 8, Issue 3, March 2026.This review systematically analyzes deformable drones, including extendable, foldable, and tilting configurations, along with nature‐inspired flapping rotorcraft. By classifying deformation principles and structural mechanisms, design trade‐offs, functional capabilities, and future development potential are highlighted.
Ju‐Hee Lee +9 more
wiley +1 more source
THE EFFECT OF DIFFERENT OPTIONS OF BLADES MAIN ROTOR ON THE X-SHAPED TAIL ROTOR OF THE MI-171 LL
Научный вестник МГТУ ГА, 2018 This paper describes the effect of different rotor blades on the X-shaped tail rotor of the Mi-171 LL, observed conducting flight tests. The tests were carried out on the same helicopter in the similar atmospheric conditions.The objective of the tests ...
V. A. Ivchin +2 more
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Human Factors and Ergonomics in Manufacturing &Service Industries, Volume 36, Issue 2, March 2026.ABSTRACT Designing tomorrow's maintenance systems with a human‐centered approach is crucial to ensure optimal safety and performance. A key prerequisite for achieving this goal is to anticipate operators' cognitive behavior early in the design cycle. This study aims to determine whether the combination of mental workload measurement tools, including ...
Lorrys Berthon +4 more
wiley +1 more source
Advances in Mechanical Engineering, 2016 In recent years, unmanned aerial vehicles have gained increasing popularity. They are employed in many applications due to its features in terms of flexibility, low cost, and small size.
Jialiang Wang +5 more
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International Journal of Mechanical System Dynamics, Volume 6, Issue 1, Page 140-152, March 2026.ABSTRACT Modern engineering systems require advanced uncertainty‐aware model updating methods that address parameter correlations beyond conventional interval analysis. This paper proposes a novel framework integrating Riemannian manifold theory with Gaussian Process Regression (GPR) for systems governed by Symmetric Positive‐Definite (SPD) matrix ...
Yanhe Tao +3 more
wiley +1 more source
Drones: Emergence of a transformative technology for island rodent eradications
Conservation Science and Practice, Volume 8, Issue 3, March 2026.Drones have emerged as a potentially powerful tool to address an ongoing need for alternative rodent eradication solutions on remote islands. This potential has now been demonstrated in a diverse set of operations across the Pacific. In the coming decades, this novel toolset also offers the possibility to step beyond existing paradigms and imagine a ...
Donal Smith +3 more
wiley +1 more source
Advanced Materials Technologies, Volume 11, Issue 3, 5 February 2026.Additive manufacturing revolutionizes production by enabling on‐demand, customized, and sustainable manufacturing with streamlined supply chains. While metal and polymer AM are well‐established, advanced ceramic AM is rapidly emerging, overcoming traditional material challenges.
Kateryna Oleksandrivna Shvydyuk +2 more
wiley +1 more source
Time domain System Identification of Longitudinal Dynamics of Single Rotor Model Helicopter using SIDPAC [PDF]
Mehran University Research Journal of Engineering and Technology, 2015 This paper presents a time-domain approach for identification of longitudinal dynamics of single rotor model helicopter. A frequency sweep excitation input signal is applied for hover flying mode widely used for space state linearized model.
Arbab Nighat Khizer +2 more
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