Sketch of the Configuration Scheme of Two-stage Variable Speed Gear Transmission in Unmanned Helicopter Main Gearbox by Li Zhengminqing, Li Yingming, Wang Hao, Zhu Rupeng, Jin Guanghu

Subjects: “…Unmanned helicopter transmission system…”
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Study on Vibration Characteristics of a Shipboard Helicopter Tail Horizontal Shaft System with an End Gear Folding Mechanism by Li Miaomiao, Zhang Zhao, Zhu Rupeng, Wang Xi, Liang Fudong

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Dominants of economic security of Russian industrial organizations with participation of state in capital: chronicles of “Russian Helicopters” holding company by A. V. Savin

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Bench Performance Test Research of Gear Oil of 80W-140 Type Unmanned Helicopter Main Gearbox by Hongtao Huang, Wenbo Xu, Shijun Liu, Zhaojun Zhang, Xiaojun Zhang, Jiusheng Li

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CHANGES IN PLASMA LEVELS OF STEROID HORMONES DURING SEXUAL MATURATION OF MALE HELICOPTER CATFISH (WALLAGO ATTU) IN CAPTIVITY by Duc Nghia Vo, Thi Thu An Le, Ngoc Phi Chau, Van Huy Nguyen

“…Taken together, we conclude that the spawning season of captive helicopter catfish occurs from June to August. These results will contribute to the basic knowledge of the reproductive biology of helicopter catfish, which can be useful in artificial breeding.…”
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Use of helicopter emergency medical services with a physician on board in severe pediatric trauma in Korea: a case report by Yoonsuk Lee, Gunwoo Kim, Pil Young Jung

Subjects: “…emergency helicopters…”
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LMI-Based Robust Stabilization of a Class of Input-Constrained Uncertain Nonlinear Systems with Application to a Helicopter Model by Hassène Gritli

“…This paper is concerned with the robust stabilization of a class of continuous-time nonlinear systems, with an application to the pitch dynamics of a simple helicopter model, via an affine state-feedback control law using the linear matrix inequality (LMI) approach. …”
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Active Vibration Control of Helicopter Maneuvering Flight Using Feedforward-Robust Hybrid Control Based on Reference Signal Reconstruction by Yifan Qin, Yang Lu, Jinchao Ma, Huiyu Yue

“…Current control laws for active control of helicopter structural vibration are designed for steady-state flight conditions, while the vibration response of maneuvering flight has not been taken into consideration yet. …”
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Dual FOPID-neural network controller based on fast grey wolf optimizer: application to two-inputs two-outputs helicopter by Amar Rezoug, Jamshed Iqbal, Abdelkrim Nemra

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Helicopter emergency medical services in Eastern Iran: a 4-year cross-sectional study of time intervals and mission profiles by Mohammad Hossein Esmaeilzadeh, Akram Nami, Razyeh Bajoulvand, Toktam Paykani

Subjects: “…Helicopter emergency medical services…”
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Implementation of prehospital point-of-care ultrasound using a novel continuous feedback approach in a UK helicopter emergency medical service by Salman Naeem, Shadman Aziz, Thomas Hirst, Johannes Strobel, Jamin M. Mulvey, Ailidh Lang, Jankee Patel, Alexander Smith, Ka Jun Cheng, Michael Palmer, Jonas Schlautmann, Michael D. Christian, Daniel Nevin

“…Abstract Background There has been increased use of prehospital point-of-care ultrasound (PoCUS) by helicopter emergency medical services (HEMS) in recent years. …”
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The characteristics and clinical outcomes of trauma patients transferred by a physician-staffed helicopter emergency medical service in Korea: a retrospective study by Myung Jin Jang, Woo Sung Choi, Jung Nam Lee, Won Bin Park

“…Purpose Helicopter transport with medical teams has been proven to be effective, with improvements in patient survival rates. …”
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The promises and perils of central bank digital currencies by Louis Larue, Clément Fontan, Joakim Sandberg

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Treatment of a penetrating inferior vena cava injury using doctor-helicopter emergency medical service and direct-to-operating room resuscitation in Korea: a case report by Dongmin Seo, Jieun Kim, Jiwon Kim, Inhae Heo, Jonghwan Moon, Kyoungwon Jung, Hohyung Jung

“…We shortened the transfer time by transporting the patient using a helicopter and decided to perform direct-to-operating room resuscitation by a trauma physician in the helicopter. …”
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Helikopter Anababalık ve Özerklik Destekleyici Davranışlar Ölçeği’nin Türkçeye Uyarlanması: Geçerlik ve Güvenirlik Çalışması by Figen Çok, Cansu Hazal Güçlü, Semih Topuz, H. Kübra Özdoğan

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Cognitive Method for Synthesising a Fuzzy Controller Mathematical Model Using a Genetic Algorithm for Tuning by Serhii Vladov

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İlkokul Öğretmenlerinin Aşırı Koruyucu (Helikopter) Velilerle İlgili Deneyimleri: Bir Fenomenoloji Çalışması by Pınar Arslan, Bilgen Kıral

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Robust Control Design for the Higher Harmonic Vibration Reduction of a Nonlinear Aeroservoelastic Rotor by Byeonguk Im, Kunhyuk Kong, Wonjong Eun, Sangjoon Shin

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A Lightweight Convolutional Neural Network for Real-time Detection of Aircraft Engine Blade Damage by Wenzhe Wang, Hua Su, Xinliang Liu, Jawad Munir, Jingqiu Wang

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Calculation Method of Transmission System Time Between Overhaul with Considering Running Time by Wenbin Pan, Weizhen Liu, Huaipeng Li

“…At the same time, the maintenance time scale of the transmission system and other parts of the helicopter can be ensured. This method is successfully applied to a certain type of helicopter, and some reference for the maintenance of similar aviation products can be provided.…”
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