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Shaped Input Control of a System With Multiple Modes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes a method for limiting vibration in flexible systems that have more than one characteristic frequency and mode. It is only necessary to have knowledge of the component mode ...
Mechanical Modeling of Fabrics in Bending
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A fabric bending model that includes contributions from nonlinear elasticity, and viscous and Coulomb friction with hysteretic effects is presented. The model allows the recovery of the loading, ...
Vibration of a Rotating Timoshenko Beam
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Timoshenko beam theory is used to model a flexible slewing link with an attached payload using two different rotating frames of reference: pseudo-pinned and pseudo-clamped. The boundary conditions ...
Vibration Modes and Frequencies of Timoshenko Beams With Attached Rigid Bodies
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The equations of motion and boundary conditions for a free-free Timoshenko beam with rigid bodies attached at the endpoints are derived. The natural boundary conditions, for an end that has ...
Geometric Stiffening of Timoshenko Beams
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The equations of motion of a prismatic isotropic Timoshenko beam with a tip mass and attached to a rotating hub are derived including the effects of centrifugal forces which appear in the ...
Nonlinear Transient Response of Thermally Loaded Laminated Panels1
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The nonlinear response of a composite laminated panel that is suddenly exposed to a heat flux is examined using the finite element method. The panel is cantilevered onto a rigid hub, the ...
Modelling of a Flexible Slewing Link
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A flexible rotating beam is modelled using Timoshenko beam theory and a non-inertial reference frame that leads to a pseudo-pinned-pinned formulation. The frequency equation and orthogonality ...
Analysis of a Chaotic Electrostatic Micro-Oscillator
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The closed-loop dynamics of a chaotic electrostatic microbeam actuator are presented. The actuator was found to be an asymmetric two-well potential system with two distinct chaotic attractors: ...