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RISCharacterization of Dynamic Response of Structures With Uncertainty by Using Gaussian Processes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Characterizing dynamic characteristics of structures with uncertainty is an important task that provides critical predictive information for structural design, assessment, and control. In practical applications, sampling ...
Reducing Dynamic Response Variation Using NURBS Finite Element Based Geometry Perturbation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The uncertainties in real structures usually lead to variations in their dynamic responses. In order to reduce the likelihood of unexpected failures in structures, it is necessary to reduce the response variations. Among ...
Highly Efficient Probabilistic Finite Element Model Updating Using Intelligent Inference With Incomplete Modal Information
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A highly efficient probabilistic framework of finite element model updating in the presence of measurement noise/uncertainty using intelligent inference is presented. This framework uses incomplete modal measurement ...
On Vibration Suppression and Energy Dissipation Using Tuned Mass Particle Damper
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Particle damping has the promising potential for attenuating unwanted vibrations in harsh environments especially under high temperatures where conventional damping materials would not be functional. Nevertheless, a ...
System-Level Modeling and Parametric Identification of Electric Impact Wrench
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Electric impact wrench is an important tool used in manufacturing and maintenance services. It has complex mechanism and its operation involves dynamic events occurring at vastly different time scales, which poses challenges ...
Disturbance Observer-Based Pitch Control of Wind Turbines for Enhanced Speed Regulation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Time-varying unknown wind disturbances influence significantly the dynamics of wind turbines. In this research, we formulate a disturbance observer (DOB) structure that is added to a proportional-integral-derivative (PID) ...
Component Mode Synthesis Order Reduction for Dynamic Analysis of Structure Modeled With NURBS Finite Element
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Nonuniform rational Bsplines (NURBS) finite element has advantages in analyzing the structure with curved surface geometry. In this research, we develop a component mode synthesis (CMS) based orderreduction technique which ...
Design Optimization Toward Alleviating Forced Response Variation in Cyclically Periodic Structure Using Gaussian Process
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Cyclically periodic structures, such as bladed disk assemblies in turbomachinery, are widely used in engineering systems. It is well known that small uncertainties exist among their substructures, which in certain situations ...
Design for Additive Manufacturing: Optimization of Piping Network in Compact System With Enhanced Path-Finding Approach
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This research aims at unleashing the potential of additive manufacturing technology in industrial design that can produce structures/devices with irregular component geometries to reduce sizes/weights. We explore, by means ...