Stability Analysis of a Helicopter with an External Slung Load System by Kary Thanapalan

“…This paper describes the stability analysis of a helicopter with an underslung external load system. …”
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DETERMINATION OF OPTIMAL AZIMUTH FOR MOUNTING ULTRALIGHT COAXIAL HELICOPTER BLADES by Vitaly V. Dudnik, Vladimir A. Kolot

Subjects: “…coaxial helicopter…”
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Multiaxial fatigue of in-service aluminium longerons for helicopter rotor-blades by A. Shanyavskiy, A. Toushentsov

“…Fatigue cracking of longerons manufactured from Al-alloy AVT-1 for helicopter in-service rotor-blades was considered and crack growth period and equivalent of tensile stress for different blade sections were estimated. …”
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Helicopter reconnaissance indicators sensitivity analysis based on machine learning by JIANG Xinyi, LOU Benchao, ZENG Weiping

Subjects: “…helicopter|sensitivity analysis|machine learning…”
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A Generalized Index for the Assessment of Helicopter Pilot Vibration Exposure by Aykut Tamer, Andrea Zanoni, Alessandro Cocco, Pierangelo Masarati

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UNMANNED HELICOPTER MODEL USED FOR AERIAL AGRICULTURAL CROPS MONITORING by Fanel Scheaua

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AirFormer: Learning-Based Object Detection for Mars Helicopter by Yifan Qi, Xueming Xiao, Meibao Yao, Yonggang Xiong, Lei Zhang, Hutao Cui

“…In future multiagent Mars detection schemes, the Mars helicopter can assist the scientific missions of Mars rovers by providing navigation information and scientific objects. …”
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Visual servoing with deep reinforcement learning for rotor unmanned helicopter by Chunyang Hu, Wenping Cao, Bin Ning

“…Visual servoing is a key approach to achieve visual control for the rotor unmanned helicopter. The challenges of the inaccurate matrix estimation and the target loss restrict the performance of the visual servoing control systems. …”
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The Helicopter Pilot—Swedish Hot-Area Policing From Above by Manne Gerell, Manne Gerell, Johan Kardell, Kim Nilvall

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Tau Theory-Based Flare Control in Autonomous Helicopter Autorotation by Umberto Saetti, Jonathan Rogers, Mushfiqul Alam, Michael Jump

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5G Key Technologies for Helicopter Aviation Medical Rescue by Wei Han Sr, Yuanting Li 2nd, Changgen Chen 3rd, Danni Huang, Junchao Wang, Xiang Li, Zhongliang Ji, Qin Li, Zhuang Li

“… Rapid global population growth and urbanization have heightened the demand for emergency medical rescue, with helicopter medical rescue emerging as an effective solution. …”
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Hover flight control of helicopter using optimal control theory by Ahmed ABOULFTOUH, Gamal EL-BAYOUMI, Mohamed MADBOULI

Subjects: “…helicopter…”
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Locating helicopter ambulance bases in Iceland: efficient and fair solutions by Björn Gunnarsson, Kristrún María Björnsdóttir, Sveinbjörn Dúason, Ármann Ingólfsson

“…More frequent use of helicopter ambulances has been suggested to shorten response times and increase equity in access to advanced emergency care. …”
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Optimization of algorithm for surface relief formation by on-board helicopter radar by Simeon Zhyla, Olha Inkarbaieva

“…The main advantages of helicopters include the ability to reduce altitude and flight speed, hover in the air, unscheduled landings, and low sensitivity to weather conditions. …”
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Review of Modern Helicopter Constructions and an Outline of Rotorcraft Design Parameters by Stanisław KACHEL, Robert ROGÓLSKI, Jakub KOCJAN

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Maintenance and inspection as risk factors in helicopter accidents: Analysis and recommendations. by Joseph Homer Saleh, Archana Tikayat Ray, Katherine S Zhang, Jared S Churchwell

“…In this work, we establish that maintenance and inspection are a risk factor in helicopter accidents. Between 2005 and 2015, flawed maintenance and inspection were causal factors in 14% to 21% of helicopter accidents in the U.S. civil fleet. …”
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Dynamic Modeling of a Transport Helicopter for Internal Cargo Airdrop by Yihua Cao, Wensong Nie

“…This paper proposes a dynamic model for helicopter cargo airdrop process simulation. The overall method is used to incorporate the cargo motion into the general helicopter equations of motion, which simplified the complex cargo–helicopter contact model into a helicopter mass and mass center variation model. …”
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Research Progress on Dry Running of Helicopter Gear Transmission System by Ruiting Tong, Yunfeng Wang, Ce Chen, Wenxing Deng, Wenbo Xu

“…The stability of the transmission system is directly related to the survivability of the helicopter. The failure of lubrication system under the condition of war injury will accelerate the damage of gear surface and destroy the dry running condition. …”
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Modelling and Analysis Library Development for Helicopter Blade and Slender Wings by Sang Ho AHN, Jun Hwan JANG

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Design and testing of an infrared ice detector system for helicopter blades by Martinez, Mari-José

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