Results 31 to 40 of about 16,873 (217)
Reducing Helicopter Vibration Loads by Individual Blade Control with Genetic Algorithm
Machines, 2022 A rotor that can realize individual blade pitch control was designed. This paper focuses on finding the trend of helicopter vibration loads after applying multiple high-order harmonic control.
Renguo Yang +3 more
doaj +1 more source
Journal of Field Robotics, EarlyView.ABSTRACT Drone light shows (DLShows) represent a rapidly growing application of swarm robotics, creating captivating aerial displays through the synchronized flight of hundreds or thousands of unmanned aerial vehicles (UAVs) as environmentally friendly and reusable alternatives to traditional pyrotechnics.
Yunes Alqudsi
wiley +1 more source
Preliminary guidelines for a requirements-based approach to certification by simulation for rotorcraft [PDF]
, 2022 The paper presents an introduction to the preliminary guidelines for rotorcraft certification by simulation developed by the partners of the Clean Sky 2 project Rotorcraft Certification by Simulation – RoCS .
Podzus, Philipp +14 more
core
Helicopter Rotor Thickness Noise Control Using Unsteady Force Excitation
Applied Sciences, 2019 The low-frequency in-plane thickness noise generating from the displacement of air by rotating blades has an important influence on helicopter detection.
Yongjie Shi +4 more
doaj +1 more source
A Radio Science Experiment for Dragonfly to Investigate Titan's Rotation and Interior Structure
Geophysical Research Letters, Volume 53, Issue 20, 28 October 2026.Abstract NASA's mission Dragonfly to Titan is scheduled for launch in 2028 with arrival in 2034 to study Titan's prebiotic chemistry and habitability. We propose a radio science experiment for Dragonfly, in which radiometric tracking of the rotorcraft from the Deep Space Network, already baselined for communications and navigation, is used as a ...
Flavio Petricca, Dustin Buccino
wiley +1 more source
Design evaluation and performance assessment of rotorcraft technology by 2050 [PDF]
, 2019 The extended Clean Sky Joint Technology Initiative (JTI) within the EU Horizon 2020 Framework Programme [Ref. 1] proposes to introduce a number of concept aircraft and rotorcraft to replace reference technology counterparts at different time scales (2020/
Rademaker E. +9 more
core +1 more source
Prioritizing Risk Factors in Helicopter Ditching Using Fuzzy Analytic Hierarchy Process
Applied Research, Volume 5, Issue 5, October 2026.A Fuzzy Analytic Hierarchy Process (FAHP) identified system failure and human factors as the most critical helicopter ditching risks, providing an evidence‐based framework for improving operational risk assessment, emergency preparedness, and aviation safety.
Adenen Aziz +4 more
wiley +1 more source
Research progress and application of additive manufacturing technology for rotorcraft structure
Cailiao gongchengThe rotorcraft structures have typical characteristics such as small batches， multi-specifications， complex shape and high-performance requirements. Additive manufacturing technologies have the ability to integrally form complex shapes and structures and
HAN Zhenzhong +7 more
doaj +1 more source
International Journal of Aviation, Aeronautics, and Aerospace, 2019 Unmanned aerial rotorcraft vehicles have many military, commercial and civil applications. There is a necessity to advance the performance on several ranges of rotorcraft for using these vehicles successfully in the expanded future roles.
Nirmal Sadasivan
doaj +1 more source
Nonharmonic Control of the Blade-Vortex Interaction Noise of Electrically Controlled Rotor
International Journal of Aerospace Engineering, 2022 Electrically controlled rotor, also known as swashplateless rotor, represents an active rotor system that, due to the use of a trailing edge flap system instead of a swashplate, not only enables primary control but also conveniently reduces the blade ...
Kewei Li +3 more
doaj +1 more source