Showing 641 - 660 results of 2,815 for search '"helicopters"', query time: 0.17s Refine Results
  1. 641

    Endotracheal Tube Cuff Pressures in Patients Intubated Prior to Helicopter EMS Transport by Joseph Tennyson, Tucker Ford-Webb, Stacy Weisberg, Donald LeBlanc

    Published 2016-11-01
    “…Introduction Endotracheal intubation is a common intervention in critical care patients undergoing helicopter emergency medical services (HEMS) transportation. …”
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    Article
  2. 642
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    Fault Diagnosis for a Class of Robotic Systems with Application to 2-DOF Helicopter by Luis Alejandro Ramírez, Manuel Alejandro Zuñiga, Gerardo Romero, Efraín Alcorta-García, Aldo Jonathan Muñoz-Vázquez

    Published 2020-11-01
    “…Finally, the proposed scheme is validated at the two-degree of freedom (DOF) helicopter of Quanser<sup>®</sup>, where the presence of faults in sensors and actuators were considered. …”
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    Article
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  7. 647

    Analytical and Experimental Study of Key Performance of Helicopter Rotor Torsion–Tension Straps by Yamin Wang, Ruchuan Zhou, Wenjun Huang

    Published 2024-02-01
    “…As a crucial component of rotor systems, tension and torsion (TT) straps, recognized for their compact structure, have been adopted in advanced helicopters such as the SB > 1, EC145, and Mi-26. This paper presents an analytical investigation and experimental study on the key performance of TT straps. …”
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    Article
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    Extreme learning machine based actuator fault detection of a quadrotor helicopter by Chen Li, Yu Zhang, Ping Li

    Published 2017-06-01
    “…Actuator fault might occur during quadrotor helicopter’s flight. It is a demand to detect actuator fault in real-time. …”
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    Article
  11. 651

    Application of Helicopter-Borne and Ground–Airborne Electromagnetic Detection to Tunnel Engineering Investigation by Tianyu Zhang, Chunran Zhang, Donghui Long, Yanzhang Wang, Haigen Zhou, Shilong Wang, Gang Li, Haoran Li, Fengdao Zhou, Chuandong Jiang

    Published 2023-02-01
    “…The geophysical survey summarized the ground–airborne frequency-domain electromagnetic method (GAFEM) and the helicopter-borne time-domain electromagnetic method (HTEM) developed by Jilin University, and measured 15 measuring lines. …”
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    Article
  12. 652

    Measurement Technique and Result Analysis of Helicopter Rotor Blade Structural Vibration Load by Honglin Zhang, Zefeng Wang, Pinqi Xia

    Published 2023-01-01
    “…The measurement of helicopter rotor blade structural load amid flight has always been the difficulty in flight test. …”
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    Article
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  16. 656

    Transportation of blood in a helicopter emergency medical service: The importance of specialised equipment by Christopher Stein, Eduardo Caetano

    Published 2016-11-01
    “…Administration of blood in the pre-hospital environment is becoming more feasible, particularly in helicopter emergency medicalservices (HEMS) during primary response and critical care transfers of major trauma patients. …”
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    Article
  17. 657

    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

    Published 2021-01-01
    Subjects: “…Helicopter main reducer;Planetary gears-rotor system;Nonlinear dynamics;Bifurcation;Chaos…”
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    Article
  18. 658

    Hovering of coaxial Trirotor helicopter constructed with coaxial mechanism driven by a motor by Yoshihiro TAKITA, Shinya OHKAWA, Hisashi DATE

    Published 2014-04-01
    “…This paper proposes a coaxial trirotor helicopter constructed with coaxial mechanism driven by one motor. …”
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    Article
  19. 659
  20. 660

    Helicopter Emergency Medical Services in 2017 Kermanshah Earthquake; a Qualitative Study by Ali Sahebi, Zohreh Ghomian, Mohammad Sarvar

    Published 2019-06-01
    “…The present study aimed to address the challenges of helicopter emergency medical services (HEMS) from the viewpoint of the managers involved in HEMS in Kermanshah earthquake. …”
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    Article