Results 201 to 210 of about 6,615 (259)

Seven‐degree‐of‐freedom‐based electric wheel sampled‐data active shimmy control method considering unknown sensor measurement error

Asian journal of control
The active shimmy control methods for electric vehicle driven by in‐wheel motors (EV‐DIM) have been proposed in the recent years. However, these methods assume that data obtained from sensors are accurate, despite the fact that sensor measurements are ...
Qinghua Meng, Rong Liu, Zong‐yao Sun, Haibin He   +3 more
semanticscholar   +1 more source

Dynamic Shimmy of Front Wheel

2010
Due to excessive wearing, the dynamic shimmy of front wheels may lead to fatal accidents and shorten the components ‘life’. Thus, its prevention continues to be an important concern in design and operation of road vehicles and aircrafts. As viewed from energy variation in the dynamic systems, the dynamic shimmy happens when sufficent kinetic energy of ...
openaire   +1 more source

Dynamics analysis of nose landing gear shimmy performance considering aircraft structural flexibility

Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering
This study examines the sliding vibration characteristics of high-speed aircraft constructed with multi-layer composite materials and designed with a large cabin opening, which consequently leads to diminished overall structural integrity and lower ...
Shuang Ruan, Ming Zhang, Shaofei Yang, Hong Nie   +3 more
semanticscholar   +1 more source

Tires as a Cause of Shimmy

SAE Technical Paper Series, 1927
<div class="htmlview paragraph"><b>T</b>HE author enumerates and describes various inter-related movements of the front end of the car that are commonly known as automobile shimmy. A long list is given of experiments made in an attempt to correct the trouble.
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CORRECTION OF BALLOON-TIRE SHIMMYING

SAE Technical Paper Series, 1924
<div class="htmlview paragraph">Shimmying was noticeable before four-wheel brakes began to be used, but since that time the trouble has been greatly increased. Two kinds are distinguishable; (<i>a</i>) low-speed shimmying, a violent wabble of the front wheels about the king-pins without a bouncing of the front axle, and (<i>b<
openaire   +1 more source

Nonlinear Modelling of Shimmying Wheels

1993
The problem of the so-called shimmying wheel has been studied in the special literature for several years (see e. g. the early paper of Schlippe and Dietrich, 1941). These investigations are stimulated by the studies of the dynamical behaviour of trailers or those of the steered wheels of cars, landing gears of aeroplanes, etc. (see e. g. Scheidl et al.
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Shimmy Out of a Tacky Situation

CoatingsPro, 2010
Need DFT readings on a tacky surface? Here’s how to shimmy out of that sticky situation.
openaire   +1 more source

shimmy, n.²

2023
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WHEEL SHIMMYING: ITS CAUSES AND CURE1

SAE Technical Paper Series, 1925
<div class="htmlview paragraph">Shimmying is an oscillating motion produced by repeated impacts or forces in the linkage of a mechanism that lacks stability or has become loose because of wear. Although previously existent in chassis in which the steering-gear was imperfect, it has become particularly noticeable since the introduction of low ...
openaire   +1 more source

Reducing shimmy oscillation of a dual-wheel nose landing gear based on torsional nonlinear energy sink

Nonlinear dynamics
Yong Wang, Tao Zhang, Yin Yin, X. Wei
semanticscholar   +1 more source