Works matching Helicopters

Results: 5000

Fuel Weight Determination of Ultralight and Very Light Helicopters at the Preliminary Design Stage.

Published in:

Transactions on Aerospace Research, 2022, v. 22, n. 3, p. 48, doi. 10.2478/tar-2022-0016

By:

Dudnik, Vitaly;
Karabut, Victor

Publication type:

Article

Influence of Engine Dynamic Characteristics on Helicopter Handling Quality in Hover and Low-Speed Forward Flight.

Published in:

Aerospace (MDPI Publishing), 2024, v. 11, n. 1, p. 34, doi. 10.3390/aerospace11010034

By:

Wei, Yuan;
Chen, Renliang;
Yuan, Ye;
Wang, Luofeng

Publication type:

Article

Power method for calculating the far acoustic field of the helicopter lift rotor.

Published in:

Journal of Engineering Physics & Thermophysics, 2011, v. 84, n. 3, p. 599, doi. 10.1007/s10891-011-0511-y

By:

Samokhin, V.

Publication type:

Article

Multi‐aspect micro‐Doppler signatures for attitude‐independent L/N quotient estimation and its application to helicopter classification.

Published in:

IET Radar, Sonar & Navigation (Wiley-Blackwell), 2017, v. 11, n. 4, p. 701, doi. 10.1049/iet-rsn.2016.0271

By:

Zhang, Rui;
Li, Gang;
Clemente, Carmine;
Soraghan, John J.

Publication type:

Article

Why Does the Attack Helicopter Have More Survival Ability than the Armed Utility Helicopter?

Published in:

Aeronautical Science Bulletins / Repüléstudományi Közlemények, 2022, v. 34, n. 3, p. 167, doi. 10.32560/rk.2022.3.11

By:

Szilvássy, László

Publication type:

Article

Crack of a helicopter main rotor actuator attachment: failure analysis and lessons learned.

Published in:

Fracture & Structural Integrity, 2013, n. 26, p. 104, doi. 10.3221/IGF-ESIS.26.11

By:

Allegrucci, L.;
De Paolis, F.;
Coletta, A.;
Bernabei, M.

Publication type:

Article

ATTENUATION AVERAGE SIGNAL POWER HELICOPTER ANTENNA SYSTEM.

Published in:

Electronics & Control Systems, 2015, v. 44, n. 2, p. 11

By:

Ivanov, A. V. A.;
Zadorozhniy, A. S.

Publication type:

Article

BLADE ELEMENT - MOMENTUM AERODYNAMIC MODEL OF A HELICOPTER ROTOR OPERATING AT LOW-REYNOLDS NUMBERS IN GROUND EFFECT.

Published in:

Aviation (1648-7788), 2025, v. 29, n. 2, p. 71, doi. 10.3846/aviation.2025.23587

By:

GEORGIEV, Gabriel

Publication type:

Article

A Vision-Based Technique for in-Flight Measurement of Helicopter Blade Motion.

Published in:

Experimental Techniques, 2020, v. 44, n. 1, p. 1, doi. 10.1007/s40799-019-00331-1

By:

Zappa, E.;
Liu, R.;
Trainelli, L.;
Rolando, A.;
Cordisco, P.;
Terraneo, M.;
Redaelli, M.

Publication type:

Article

Ultralight and Very Light Helicopter Rotor Data.

Published in:

Transactions on Aerospace Research, 2023, v. 2023, n. 2, p. 17, doi. 10.2478/tar-2023-0008

By:

Dudnik, Vitaly;
Karabut, Victor

Publication type:

Article

Vibroacoustic Helicopter Impact on Elevated Helipad.

Published in:

Transactions on Aerospace Research, 2023, v. 2023, n. 1, p. 1, doi. 10.2478/tar-2023-0001

By:

Cieślak, Sławomir;
Krzymień, Wiesław

Publication type:

Article

Sightseeing Accidents with Helicopters and Fixed-Wing Aircraft.

Published in:

Aerospace Medicine & Human Performance, 2022, v. 93, n. 6, p. 532, doi. 10.3357/AMHP.6000.2022

By:

de Voogt, Alexander J.;
Hummel Hohl, Caio;
Kalagher, Hilary

Publication type:

Article

Evaluation of the Helicopter Emergency Breathing Apparatus on Egress Performance.

Published in:

Aerospace Medicine & Human Performance, 2020, v. 91, n. 12, p. 962, doi. 10.3357/AMHP.5704.2020

By:

King, Michael;
Sanli, Elizabeth;
Mugford, Kaitlin;
Martina, Stefanie;
Brown, Robert;
Carnahan, Heather

Publication type:

Article

Diving Accident Evacuations by Helicopter and Immersion Pulmonary Edema.

Published in:

Aerospace Medicine & Human Performance, 2020, v. 91, n. 10, p. 806, doi. 10.3357/AMHP.5563.2020

By:

Corgie, Laëtitia;
Huiban, Nicolas;
Pontier, Jean-Michel;
Brocq, François-Xavier;
Boulard, Jean-François;
Monteil, Marc

Publication type:

Article

Calculation of Induced Velocity in Normal Operating Conditions for Vertical Climb and Hover, Autorotation Regime, Vortex Ring State, and Forward Flight Regime for the Sikorsky S-70 Black Hawk Helicopter.

Published in:

INCAS Bulletin, 2025, v. 17, n. 1, p. 33, doi. 10.13111/2066-8201.2025.17.1.3

By:

MIHAILA, Florin;
FUIOREA, Ion

Publication type:

Article

THE DECISION PROCESS OF COMBAT HELICOPTERS CREW IN AFGHANISTAN HYBRID THREATS ENVIRONMENT.

Published in:

Strategic Impact, 2012, v. 42, n. 1, p. 120

By:

Augustyn, Slawomir

Publication type:

Article

Elevation, pitch and travel axis stabilization of 3DOF helicopter with hybrid control system by GA-LQR based PID controller.

Published in:

International Journal of Electrical & Computer Engineering (2088-8708), 2020, v. 10, n. 3, p. 1868, doi. 10.11591/ijece.v10i2.pp1868-1884

By:

Mohammed, Ibrahim K.;
Abdulla, Abdulla I.

Publication type:

Article

Elevation, pitch and travel axis stabilization of 3DOF helicopter with hybrid control system by GA-LQR based PID controller.

Published in:

International Journal of Electrical & Computer Engineering (2088-8708), 2020, v. 10, n. 2, p. 1868, doi. 10.11591/ijece.v10i2.pp1868-1884

By:

Mohammed, Ibrahim K.;
Abdulla, Abdulla I.

Publication type:

Article

Numerical Modeling, Trim, and Linearization of a Side-by-Side Helicopter in Hovering Conditions.

Published in:

Aerospace (MDPI Publishing), 2024, v. 11, n. 11, p. 927, doi. 10.3390/aerospace11110927

By:

Mazzeo, Francesco;
Pavel, Marilena D.;
Fattizzo, Daniele;
de Angelis, Emanuele L.;
Giulietti, Fabrizio

Publication type:

Article

Handling Qualities Assessment and Discussion for Helicopter with Slung Load Systems Utilizing Various Sling Configurations.

Published in:

Aerospace (MDPI Publishing), 2024, v. 11, n. 9, p. 711, doi. 10.3390/aerospace11090711

By:

Wang, Luofeng;
Chen, Renliang

Publication type:

Article

Experimental Investigation of Helicopter Noise While Approaching an Elevated Helipad.

Published in:

Aerospace (MDPI Publishing), 2023, v. 10, n. 8, p. 701, doi. 10.3390/aerospace10080701

By:

Gibertini, Giuseppe;
Rezzonico, Silvano;
Rossetti, Marco;
Zanotti, Alex

Publication type:

Article

Full State Constrained Flight Tracking Control for Helicopter Systems with Disturbances.

Published in:

Aerospace (MDPI Publishing), 2023, v. 10, n. 5, p. 471, doi. 10.3390/aerospace10050471

By:

Li, Yankai;
Huang, Yulong;
Liu, Han;
Li, Dongping

Publication type:

Article

Development of a High-Performance Low-Weight Hydraulic Damper for Active Vibration Control of the Main Rotor on Helicopters—Part 1: Design and Mathematical Model.

Published in:

Aerospace (MDPI Publishing), 2023, v. 10, n. 5, p. 391, doi. 10.3390/aerospace10050391

By:

Bertolino, Antonio Carlo;
Gaidano, Matteo;
Smorto, Stefano;
Porro, Paolo Giovanni;
Sorli, Massimo

Publication type:

Article

A New Algorithm on Automatic Trimming for Helicopter Rotor Aerodynamic Loads.

Published in:

Aerospace (MDPI Publishing), 2023, v. 10, n. 2, p. 150, doi. 10.3390/aerospace10020150

By:

Yin, Xinfan;
Ma, Hongxu;
Peng, Xianmin;
Zhang, Guichuan;
An, Honglei;
Wang, Liangquan

Publication type:

Article

Lifting and Transport of Martian Dust by the Ingenuity Helicopter Rotor Downwash as Observed by High‐Speed Imaging From the Perseverance Rover.

Published in:

Journal of Geophysical Research. Planets, 2022, v. 127, n. 12, p. 1, doi. 10.1029/2022JE007605

By:

Lemmon, M. T.;
Lorenz, R. D.;
Rabinovitch, J.;
Newman, C. E.;
Williams, N. R.;
Sullivan, R.;
Golombek, M. P.;
Bell, J. F.;
Maki, J. N.;
Vicente‐Retortillo, A.

Publication type:

Article

Helicopter Laboratory Model Experiment with Web Access.

Published in:

International Journal of Online Engineering, 2009, n. S1, p. 8, doi. 10.3991/ijoe.v5s1.1015

By:

Cvjetkovic, V. M.;
Matijevic, M. S.;
Grujovic, M. D.;
Stefanovic, M. Z.

Publication type:

Article

直升机群吊桶洒水协同灭火技术.

Published in:

Journal of Wildland Fire Science, 2023, v. 41, n. 2, p. 72, doi. 10.3969/j.issn.1002-2511.2023.02.018

By:

张文洋;
李庆丰;
薛可顺;
赵宇;
范孝龙

Publication type:

Article

共轴双旋翼直升机卫星通信小型化终端设计与验证.

Published in:

Telecommunication Engineering, 2022, v. 62, n. 4, p. 431, doi. 10.3969/j.issn.1001-893x.2022.04.004

By:

徐远超;
李悦

Publication type:

Article

Towards real-time pilot-in-the-loop CFD simulations of helicopter/ship dynamic interface.

Published in:

International Journal of Modeling, Simulation & Scientific Computing, 2017, v. 8, n. 4, p. -1, doi. 10.1142/S179396231743005X

By:

Oruc, Ilker;
Horn, Joseph F.;
Shipman, Jeremy;
Polsky, Susan

Publication type:

Article

LIFETIME DETERMINATION OF ULTRALIGHT HELICOPTER BLADES.

Published in:

Transport Problems: an International Scientific Journal, 2024, v. 19, n. 3, p. 81, doi. 10.20858/tp.2023.19.3.07

By:

DUDNIK, Vitaly

Publication type:

Article

Impact of Blade Trailing Edge Devices on Helicopter Rotor Aerodynamics During Hovering Flight.

Published in:

International Review of Aerospace Engineering, 2024, v. 17, n. 2, p. 39, doi. 10.15866/irease.v17i2.24685

By:

Stouti, Soufiane;
Lahlou, Assel Thami;
Lagrat, Ismail;
Bouazaoui, Oussama;
Mounir, Hamid

Publication type:

Article

Development of 10DOF Nonlinear Model of an Autonomous Helicopter with Control Rotor System.

Published in:

International Review of Aerospace Engineering, 2009, v. 2, n. 4, p. 199

By:

Mokhtari, Abolfazl;
Nikkhah, Amir Ali;
Novinzadeh, Alireza

Publication type:

Article

Statistics of Military Helicopter Accidents in Czechoslovakia and the Czech Republic.

Published in:

Advances in Military Technology, 2023, v. 18, n. 1, p. 5, doi. 10.3849/aimt.01770

By:

Zavila, O.

Publication type:

Article

Human Factors in Air Accidents of Military Helicopters of Czechoslovakia and the Czech Republic.

Published in:

Advances in Military Technology, 2022, v. 17, n. 2, p. 301, doi. 10.3849/aimt.01750

By:

Zavila, O.

Publication type:

Article

The stochastic aeroelastic response analysis of helicopter rotors using deep and shallow machine learning.

Published in:

Neural Computing & Applications, 2021, v. 33, n. 23, p. 16809, doi. 10.1007/s00521-021-06288-w

By:

Chatterjee, Tanmoy;
Essien, Aniekan;
Ganguli, Ranjan;
Friswell, Michael I.

Publication type:

Article

Formal Verification of Helicopter Automatic Landing Control Algorithm in Theorem Prover Coq.

Published in:

International Journal of Performability Engineering, 2018, v. 14, n. 9, p. 1947, doi. 10.23940/ijpe.18.09.p2.19471957

By:

Xi Chen;
Gang Chen

Publication type:

Article

基于自适应干扰观测器的无人直升机模型参考跟踪控制.

Published in:

Journal of Nanjing University of Aeronautics & Astronautics / Nanjing Hangkong Hangtian Daxue Xuebao, 2023, v. 55, n. 6, p. 977, doi. 10.16356/j.1005‑2615.2023.06.004

By:

潘世豪;
王婷;
张浩然;
李涛

Publication type:

Article

直升机气动噪声抑制与飞行测试研究进展.

Published in:

Journal of Nanjing University of Aeronautics & Astronautics / Nanjing Hangkong Hangtian Daxue Xuebao, 2023, v. 55, n. 2, p. 169, doi. 10.16356/j.1005‑2615.2023.02.001

By:

邓景辉;
朱文庆;
张威;
曹荣富

Publication type:

Article

基于短暂丢失参考信号预测的无人直升机轨迹跟踪控制.

Published in:

Journal of Nanjing University of Aeronautics & Astronautics / Nanjing Hangkong Hangtian Daxue Xuebao, 2022, v. 54, n. 6, p. 1030, doi. 10.16356/j.1005⁃2615.2022.06.004

By:

杨静雯;
李涛;
杨欣;
费树岷

Publication type:

Article

基于Simulink 的某型无人直升机舰面悬停特性分析.

Published in:

Journal of Nanjing University of Aeronautics & Astronautics / Nanjing Hangkong Hangtian Daxue Xuebao, 2021, v. 53, n. 3, p. 408, doi. 10.16356/j.1005⁃2615.2021.03.012

By:

唐宏清;
王华明

Publication type:

Article

Radioelectronic and thermovisual support in display systems to aid in searching for sea-going ships from search & rescue helicopters.

Published in:

Scientific Journals of The Maritime University of Szczecin / Zeszyty Naukowe Akademii Morskiej w Szczecinie, 2018, v. 125, n. 53, p. 35, doi. 10.17402/263

By:

Lewitowicz, Jerzy;
Szelmanowski, Andrzej;
Pazur, Andrzej;
Sajda, Krzysztof;
Janik, Paweł

Publication type:

Article

Learning-based modeling and control design for a coaxial helicopter with aerodynamic coupling.

Published in:

Transactions of the Institute of Measurement & Control, 2025, v. 47, n. 8, p. 1513, doi. 10.1177/01423312241231066

By:

Chen, Zhi;
Gao, Ke;
Wang, Hui;
Wang, Ling;
Fu, Jian;
Peng, Chen

Publication type:

Article

PROTECTIVE EFFECT OF HELMET GENTEX HGO-56/P ON HEARING LOSS AMONG MILITARY HELICOPTER PILOTS.

Published in:

Sigurnost, 2022, v. 64, n. 1, p. 9

By:

Barčan, Tomislav;
Belošević, Ljiljana;
Orehovec, Biserka

Publication type:

Article

A Simulation Model of a Helicopter Landing on a Ship.

Published in:

International Journal of Simulation: Systems, Science & Technology, 2016, v. 17, n. 19, p. 5.1, doi. 10.5013/IJSSST.a.17.25.05

By:

Boling He;
Weiren Wang;
Yipu Zhang;
Lei Liu

Publication type:

Article

Validation of a Numerical Fluid Flow Analysis for a Helicopter Tail Rotor Blade Using a Subsonic Wind Tunnel.

Published in:

Macromolecular Symposia, 2020, v. 389, n. 1, p. 1, doi. 10.1002/masy.201900099

By:

Voicu, Andrei Daniel;
Hadăr, Anton;
Vlăsceanu, Daniel

Publication type:

Article

Hardware-in-the-Loop simulation algorithm for helicopter rotor time-varying echo signals.

Published in:

Systems Science & Control Engineering, 2021, v. 9, n. 1, p. 479, doi. 10.1080/21642583.2021.1940350

By:

Chen, Shihong

Publication type:

Article

TERRAIN MASKING AND RADAR EXPOSURE MODELLING BASED ON RASTER CELLS FOR PRE-FLIGHT PLANNING FOR LOW FLYING HELICOPTERS.

Published in:

Defence S&T Technical Bulletin, 2019, v. 12, n. 2, p. 318

By:

Ahmad, Shahril;
Ahmad, Khairol Amali;
Hashim, Fakroul Ridzuan;
Syafuan, Wan Mohamed

Publication type:

Article

TERRAIN MASKING AND RADAR EXPOSURE MODELLING BASED ON RASTER CELLS FOR PRE-FLIGHT PLANNING FOR LOW FLYING HELICOPTERS.

Published in:

Defence S&T Technical Bulletin, 2019, v. 12, n. 2, p. 318

By:

Ahmad, Shahril;
Khairol Amali Ahmad;
Fakroul Ridzuan Hashim;
Wan Mohamed Syafuan

Publication type:

Article

Hysteresis Compensation for a Piezoelectric Actuator of Active Helicopter Rotor Using Compound Control.

Published in:

Micromachines, 2021, v. 12, n. 11, p. 1298, doi. 10.3390/mi12111298

By:

Zhou, Jinlong;
Dong, Linghua;
Yang, Weidong

Publication type:

Article

Helicopter noise footprint prediction in unsteady maneuvers.

Published in:

International Journal of Aeroacoustics, 2017, v. 16, n. 3, p. 165, doi. 10.1177/1475472X17709927

By:

Gennaretti, Massimo;
Bernardini, Giovanni;
Serafini, Jacopo;
Anobile, Alessandro;
Hartjes, Sander

Publication type:

Article