Showing 2,481 - 2,500 results of 2,815 for search '"helicopters"', query time: 0.12s Refine Results
  1. 2481
  2. 2482

    Finite-Time Asynchronous Event-Triggered Control for Switched Nonlinear Cyber-Physical Systems With Quantization by Arumugam Arunkumar, Jenq-Lang Wu

    Published 2023-01-01
    “…Ultimately, a numerical illustration is provided, showcasing the efficaciousness and practicality of the developed control strategy through a real-world application known as the vertical take-off and landing helicopter model (VTOLHM).…”
    Get full text
    Article
  3. 2483

    Modeling methodology of progressive collapse by the example of real high-rise buildings / Aukštybinių pastatų progresuojančios griūties modeliavimas by Mariya Barabash

    Published 2014-12-01
    “…The calculation was carried out on plates or emergency landing helicopter crash on the floor slab. Analysis of the results leads to the following conclusions. …”
    Get full text
    Article
  4. 2484

    Kitesurfing and snowkiting injuries in Norway: a retrospective study by Venke Torland, Øyvind Thomassen, Øyvind Østerås

    Published 2024-01-01
    “…In addition, we conducted structural searches in the National Air Ambulance Service and Search and Rescue Helicopter patient record databases. All included informants were interviewed. …”
    Get full text
    Article
  5. 2485
  6. 2486
  7. 2487
  8. 2488

    Design, build and test a UAV by Faheem Fawzi

    Published 2021
    “…A lot more tasks can be done by VTOL compared to a helicopter or a fixed-wing aircraft. VTOLS are designed to take off and land on limited amount of space as well as being able to fly as fast as fixed-wing aircrafts. …”
    Get full text
    Final Year Project (FYP)
  9. 2489

    Autonomous flying robots by Teo, Benjamin Haw Heng.

    Published 2009
    “…A basic design for an autonomous helicopter based on the DraganFly Innovations DraganFlyer V Ti RC is explored. …”
    Get full text
    Final Year Project (FYP)
  10. 2490

    Novel Adaptive Bacterial Foraging Algorithms for Global Optimisation with Application to Modelling of a TRS by Ahmad Nor Kasruddin, Nasir, Nor Maniha, Abd Ghani, Tokhi, M. O.

    Published 2015
    “…The algorithms are further employed to predict a neural network dynamic model of a laboratory-scale helicopter in the hovering mode. The results show that the proposed algorithms outperform the predecessor algorithm in terms of fitness accuracy and convergence speed.…”
    Article
  11. 2491

    Higher ascent, trouble breathing: High altitude pulmonary edema (HAPE) by Simant Singh Thapa, Buddha Basnyat

    Published 2018-05-01
    “…He was extremely tired, short of breath at rest and appeared ill so helicopter evacuation was done from Dingboche to Kathmandu (1300m) and he was brought to our clinic. …”
    Get full text
    Article
  12. 2492

    Tribological Properties and Corrosion Resistance of Multilayer a-C:H:Ti Films at Different Target Currents by Yaqi Huang, Jia Li, Xuhui Wang, Xiaohong Liu, Hongxuan Li, Pengwei Ren, Chufeng Sun

    Published 2023-07-01
    “…To meet the requirements of friction and corrosion resistance performance of helicopter transmission bearings under harsh environments, Ti/TiN/Ti-DLC multilayer composite films were prepared on a 40Cr15Mo2VN substrate by a non-equilibrium magnetron sputtering technique. …”
    Get full text
    Article
  13. 2493

    Late-summer sea ice segmentation with multi-polarisation SAR features in C and X band by A. S. Fors, C. Brekke, A. P. Doulgeris, T. Eltoft, A. H. H. Renner, S. Gerland

    Published 2016-02-01
    “…Sea ice thickness, surface roughness and aerial photographs were collected during a helicopter flight at the site. Six polarimetric SAR features were extracted for each of the scenes. …”
    Get full text
    Article
  14. 2494

    Technological employment of fire-fighting adapter to increase the efficiency of extinguishing forest fires by Hnilicová Michaela, Priatka Matej, Hnilica Richard, Messingerová Valéria

    Published 2022-12-01
    “…Another option is to use it as a water tank in inaccessible terrain with the possibility of refilling using a Bambi bag and a helicopter. This fire-fighting adapter DATEFF is designed for forest wheel tractors that reach 40% slope availability, are able to work on the stand area, overcome obstacles and are available in sufficient quantities in all Slovak forest owners.…”
    Get full text
    Article
  15. 2495

    Bridging the gap: safety and outcomes of intensivist-led ECMO retrievals by Mircea R. Mihu, Mircea R. Mihu, Marc O. Maybauer, Marc O. Maybauer, Marc O. Maybauer, Kaitlyn Cain, Laura V. Swant, Michael D. Harper, Robert S. Schoaps, Joseph M. Brewer, Ammar Sharif, Clayne Benson, Ahmed M. El Banayosy, Aly El Banayosy, Aly El Banayosy

    Published 2023-08-01
    “…Most of the patients were transported by ambulance (79%), 14% by helicopter, and 7% by airplane. Six out of the 303 patients did not leave the referring facility. …”
    Get full text
    Article
  16. 2496

    Significant profile differences among male and female adventure tourists in Pretoria, South Africa by Melissa Jeanette Lötter, Sue Geldenhuys, Marius Potgieter

    Published 2014-01-01
    “…Whereas, female respondents predominantly regard scuba-diving, abseiling, and helicopter flights as a hard/high-risk adventure activity, although these activities are generally regarded by the overall sample as being soft/low-risk adventure activities. …”
    Get full text
    Article
  17. 2497

    Optimizing Time Management for Drip-and-Ship Stroke Patients Qualifying for Endovascular Therapy—A Single-Network Study by Kevin Hädrich, Pawel Krukowski, Jessica Barlinn, Matthias Gawlitza, Johannes C. Gerber, Volker Puetz, Jennifer Linn, Daniel P. O. Kaiser

    Published 2022-08-01
    “…Total transfer time was faster for distances <50 km by ambulance and for distances >71 km by helicopter. CONCLUSION: Assessment of DS processes and times throughout the patient pathway allows identification of potentially modifiable factors for improvement of the very time-critical workflow for stroke patients.…”
    Get full text
    Article
  18. 2498

    Science and Science‐Enabling Activities of the SHERLOC and WATSON Imaging Systems in Jezero Crater, Mars by B. V. Wogsland, M. E. Minitti, L. C. Kah, R. A. Yingst, W. Abbey, R. Bhartia, L. Beegle, B. L. Bleefeld, E. L. Cardarelli, P. G. Conrad, K. Edgett, K. Hickman‐Lewis, J. Hugget, S. Imbeah, M. R. Kennedy, C. Lee, B. E. Nixon, J. I. Núñez, A. Pascuzzo, M. Robinson, C. Rodriguez Sanchez‐Vahamonde, E. Scheller, S. Sharma, S. Siljeström, K. Steadman, K. Winchell, Michael A. Ravine

    Published 2023-11-01
    “…WATSON also documented the deployment of the Ingenuity helicopter. The Crater Floor Campaign identified two primary rock units, the Máaz formation and the Séítah formation, which have been interpreted as lava flows and an olivine cumulate, respectively. …”
    Get full text
    Article
  19. 2499

    Air and Structural Loads Analysis of a 5-Ton Class Rotorcraft in a Pull-Up Maneuver Using CFD/CSD Coupled Approach by Seong Hyun Hong, Young Jin Kim, Soo Hyung Park, Sung Nam Jung, Ki Ro Kim

    Published 2024-01-01
    “…The air and structural loads of a 5-ton class light helicopter (LH) rotor in a 2.24 g pull-up maneuver are investigated using a coupling between the computational structural dynamics (CSD) and computational fluid dynamics (CFD) methods. …”
    Get full text
    Article
  20. 2500

    Sex Equitable Prehospital Stroke Triage Using Symptom Severity and Teleconsultation by Elin Wiebert, Annika Berglund, Annika Berglund, Christina Sjöstrand, Christina Sjöstrand, Einar E. Eriksson, Einar E. Eriksson, Michael V. Mazya, Michael V. Mazya

    Published 2021-11-01
    “…Exclusion criteria were private or helicopter transport, onset outside Stockholm, and in-hospital stroke. …”
    Get full text
    Article