Pilot load analysis under Herbst maneuver based on flight simulation
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    Abstract:

    Objective To obtain the multi-axis load histories on physiological coordinate of the pilot when performing Herbst maneuver by flight simulation, and make analysis on the obtained typical data. Methods The 3D geometrical model of the aircraft was established in CAD software based on design parameters of the fourth-generation aircraft, 6 key motion parameters of mass center were obtained by flight simulation, and 3D human body model was developed according to anthropometric measurement data of Chinese male pilot; based on the location of cabin and seat in the aircraft, the assembly model with both the aircraft and human body was established and the multi-axis load histories at different locations of human body under Herbst maneuver were obtained through kinematics analysis of the human-aircraft system. An analytic case of Herbst maneuver at altitude of 3 km and flight velocity of 90 m/s was carried out. Results The load histories at chest, foot and head of human body were basically coincided, but Gy histories between the chest and hand were different; the Gy peak value of hand was about 1.6 g; under the multi-axis loads, the +Gx peak value was about 3.0 g, being the maximum. Conclusions The load histories of aircraft mass center cannot be used as those of human body because it may have some deviation, and the Gy histories for hand cannot be replaced by load histories of other locations on human body when they are used for analysis on effects of multi axis load on operating behaviors of the aircraft.

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WANG Ya-wei, LIU Song-yang, DU Cheng-fei, FAN Yu-bo. Pilot load analysis under Herbst maneuver based on flight simulation[J]. Journal of medical biomechanics,2014,29(4):346-350

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History
  • Received:January 20,2013
  • Revised:June 24,2013
  • Adopted:
  • Online: August 22,2014
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