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RISPutting Statistics into the Statistical Energy Analysis of Automotive Vehicles
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Sound and vibration transmission modeling methods are important to the design process for high quality automotive vehicles. Statistical Energy Analysis (SEA) is an emerging design tool for the ...
Experimental Verification of the Nonself-Adjoint State Space Duct Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experimental verification of the nonself-adjoint state space duct model obtained previously by the authors is presented. Both pressure excitation at the end and mass flow excitation in the domain ...
An Eigenvalue Based Acoustic Impedance Measurement Technique
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A method is developed for measuring acoustic impedance. The method employs a one-dimensional tube or duct with excitation at one end and an unknown acoustic impedance at the termination end. ...
Active Parametric Damping of Distributed Parameter Beam Transverse Vibration
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An active vibration control for a modified, nonlinear, dynamic, simply supported, Bernoulli-Euler beam is introduced using one of the distributed, time-dependent parameters of the system. The ...
A Compensated Acoustic Actuator for Systems with Strong Dynamic Pressure Coupling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study improves the performance of a previously developed acoustic actuator in the presence of an acoustic duct system with strong pressure coupling. The speaker dynamics and the acoustic ...
Probability Distribution of Statistical Energy Analysis Model Responses Due to Parameter Randomness
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The Statistical Energy Analysis (SEA) methodology has been widely used in aerospace, ship and automotive industry for high frequency noise analysis and acoustic designs. SEA models are treated ...
Identification and Control of Rotating Disk Vibration
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Small amplitude, transverse vibration of a circular disk can be viewed as a superposition of travelling waves each wave corresponding to a particular vibration mode. When the plate damping is ...
State Estimation of the Nonself-Adjoint Acoustic Duct System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The acoustic response of a hard walled duct with a partially absorptive boundary condition has been modeled in state space form. The system states of this model are not directly measurable. ...
Robust Nonlinear Stick-Slip Friction Compensation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A nonlinear compensation force for stick-slip friction is developed to supplement a proportional + derivative control law applied to a one-degree-of-freedom mechanical system. Inertial control ...
Global Active Noise Control of a One-Dimensional Acoustic Duct Using a Feedback Controller
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Active noise control of acoustic enclosures is a classical engineering problem. The active noise control of a one-dimensional hard-walled duct with a partially dissipative boundary condition is ...