کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4923927 1430825 2017 18 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Using continuation analysis to identify shimmy-suppression devices for an aircraft main landing gear
ترجمه فارسی عنوان
با استفاده از تجزیه و تحلیل ادامه برای شناسایی دستگاه های سرکوب شیممی برای دنده فرود اصلی هواپیما
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی عمران و سازه
چکیده انگلیسی

This paper considers several passive shimmy-suppression devices for a dual-wheel main landing gear (MLG) and proposes a method of selecting the device parameter values for which no shimmy occurs. Two of these devices include an inerter, a novel mechanical element with the property that the applied force is proportional to the relative acceleration between its terminals. A nonlinear mathematical model is developed to represent the MLG dynamics. A bifurcation study is then carried out to investigate the effects of the shimmy-suppression devices on the gear steady-state response. The aircraft forward speed and the device damping are chosen as the continuation parameters. A range of device parameter values that ensure the aircraft is free from shimmy instability for any forward speed within its operating region are identified. It is shown that the use of a proposed spring-damper configuration can result in a more robust device in terms of the device damping over that of a conventional shimmy damper. Two inerter-based shimmy-suppression devices are then considered and yield further benefits on expanding the zero-shimmy regions in the two-parameter bifurcation diagrams.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Sound and Vibration - Volume 408, 10 November 2017, Pages 234-251
نویسندگان
, , , ,