Nonlinear Landing Gear Behavior at Touchdown

[+] Author and Article Information
D. Yadav, R. P. Ramamoorthy

Department of Aerospace Engineering, Indian Institute of Technology, Kanpur, India - 208 016

J. Dyn. Sys., Meas., Control 113(4), 677-683 (Dec 01, 1991) (7 pages) doi:10.1115/1.2896474 History: Received September 15, 1989; Revised January 01, 1990; Online March 17, 2008


Landing gear dynamics for an aircraft has been analyzed with a heave-pitch model having telescopic main gear and articulated nose gear using oleopneumatic shock absorber. System equations have been presented incorporating the effects of linkage dynamics, frictional forces, and nonlinearities in the tyre, air spring, and oleo damping forces. Sensitivity of the system response to variations in some shock strut parameters has been investigated for the landing touchdown impact phase to bring about improvement in the performance.

Copyright © 1991 by The American Society of Mechanical Engineers
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