Method of Helicopter Turboshaft Engines’ Protection During Surge in Starting Mode by Denys Baranovskyi, Serhii Vladov, Maryna Bulakh, Victoria Vysotska, Viktor Vasylenko, Jan Czyżewski

Subjects: “…helicopter turboshaft engines…”
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Numerical–analitical method for the problems of aerodynamic noise generations in helicopter and quadrotors by Petro Lukianov

Subjects: “…aerodynamic noise of helicopter and quadrotor rotors…”
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Design, Mathematical Modeling, and Control of an Underactuated 3-DOF Experimental Helicopter by Osamah Talal Makki, Seyyed Sajjad Moosapour, Saleh Mobayen, Jafar Heyrani Nobari

Subjects: “…Underactuated 3-DOF helicopter…”
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Nonlinear Dynamics of Helicopter Planetary Gear-rotor System Caused by Stiffness Variation by Lanlan Hou, Mingqiang Li, Guosheng Wang, Lingyun Lai, Hao Chen, Yuping Huang

Subjects: “…Helicopter main reducer…”
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Post-mission debriefs in helicopter emergency medicine services– introducing “The compassionate debrief” by Leif Rognås, Marius Rehn, Karina Damsgaard Nørby

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An Improved Feedforward-Robust Algorithm for Active Vibration Control of Helicopter Maneuver Flight by Yifan Qin, Yang Lu, Huiyu Yue

“…To solve the problem of secondary path mutation and external disturbance abrupt changes during helicopter maneuver flight, the previous research proposed a hybrid active vibration control law. …”
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Fracture analysis of AA6061-graphite composite for the application of helicopter rotor blade by Saleemsab Doddamani, Chao Wang, M.JinnahSheik Mohamed, Md. Arefin Kowser

“…The main objective of the work is to study the fracture behavior of AA6061-graphite material using both experimental technique and finite element simulation by considering helicopter rotor blade as a case study. From the case study, it has been observed that the helicopter rotor blade, made of AA6061, has been failed at the threaded portion of the hole. …”
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ANALYSIS OF RIVETING CARRYING CAPACITY FOR COMPOSITE TAIL SHAFT OF HELICOPTER TRANSMISSION SYSTEM by YANG XianKun, XIE JunLing, WAN ZhenHua, ZHAO SiBo

Subjects: “…Helicopter transmission system…”
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DYNAMIC THRESHOLD CALCULATION METHOD FOR BEARING OF HELICOPTER SWASHPLATE BASED ON BAYESIAN INFERENCE by CONG Lei, XIONG BangShu, LI Xin Min, SUN Wei, JIN XiaoQiang

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Lightweight Design and Verification of Housings of Helicopter Reducers with Carbon Fiber Reinforced Composites by Yan Yuesheng, Wang Jichong, Cai Zhijie, Yin Hongling, Peng Xiongqi

“…The housing of a helicopter reducer system is lightweight designed by replacing cast aluminum alloy with carbon fiber reinforced composites. …”
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Research of the Transmission System Motion Solution Generated Technique of Helicopter Main Reducer by Tang Suiying, Wu Liyan, Yang Xiaohui, Chen Ce

Subjects: “…Helicopter transmission system…”
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Dynamical Model Identification for a Small-Scale Unmanned Helicopter Using an Integrated Approach by Rui Ma, Li Ding, Kailei Liu, Hongtao Wu

“…Results show that the dynamical characteristics of the helicopter can be determined accurately by the identified model. …”
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Crack of a helicopter main rotor actuator attachment: failure analysis and lessons learned by L. Allegrucci, F. De Paolis, A. Coletta, M. Bernabei

“…A Light Utility Helicopter (LUH), in the course of a training flight, leaving the ground during the taxi to take off, went into an uncontrolled rolling to the right; consequently the helicopter gradually laid down on the right side. …”
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STUDY ON FLAW DEPTH STATISTICS AND CORRESPONDING FATIGUE LIFE OF HELICOPTER ALUMINIUM ALLOY STRUCTURE by NI Yang, ZHOU ChuWei, YU JianJian, ZOU Jing

“…Surface defect is the main fatigue failure source of helicopter metal dynamic components. Depth data of impact pit defects on surface of aluminum alloy critical dynamic parts of helicopter were collected,and statistical analysis was conducted. …”
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A Novel Active Vibration Control Method for Helicopter Fuselages Based on Diffusion Cooperation by Jingliang Li, Yang Lu

“…Against the background of low-frequency vibration control for a helicopter fuselage in flight, active control of structural response (ACSR) has been employed for vibration control design. …”
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Vibration Reduction Analysis of Bearing Seat Damping Structure of Helicopter Main Reducer Casing by Hao Gao, Jianjun Yang, Hua Dai, Dingjun She

“…Aiming at the vibration and noise problem of a helicopter main reduction casing，the dynamics simulation analysis of the main reduction transmission system model is performed to solve the dynamic meshing impact force generated by the spiral bevel gear during high-speed transmission. …”
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Study on Load Sharing Behavior of the Concentric Torque-split Face Gear Transmission for Helicopter by Ning Zhao, Wang Li, Hui Guo, Ruchuan Zhou

“…Abstract The application of the concentric torque-split face gear transmission on the main gearbox of helicopter is analyzed. Based on the definition of equivalent displacement and equivalent stiffness, the mechanism of the uneven load sharing of the concentric torque-split face gear transmission is revealed. …”
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Calculation and Optimal Design of Rotor Shaft Torsional Vibration of a Helicopter Transmission System by De Ni, Tuanjie Zhong, Jing Wei, Miaofei Cao, Bin Peng

Subjects: “…Helicopter…”
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Path Planning of Unmanned Helicopter in Complex Environment Based on Heuristic Deep Q-Network by Jiangyi Yao, Xiongwei Li, Yang Zhang, Jingyu Ji, Yanchao Wang, Yicen Liu

“…Unmanned helicopters (UH) can evade radar detection by flying at ultralow altitudes, so as to conduct raids on targets. …”
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Helicopter EMS Transport Outcomes Literature: Annotated Review of Articles Published 2007–2011 by Brandon S. Brown, Korby A. Pogue, Emily Williams, Jesse Hatfield, Matthew Thomas, Annette Arthur, Stephen H. Thomas

“…Helicopter EMS (HEMS) and its possible association with outcomes improvement continues to be a subject of discussion. …”
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