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Neural Network Emulation of Inverse Dynamics for a Magnetorheological Damper
Publisher: American Society of Civil Engineers
Abstract: The dynamic behavior of a magnetorheological (MR) damper is well portrayed using a Bouc–Wen hysteresis model. This model estimates damper forces based on the inputs of displacement, velocity, and voltage. In some control ...
In-Plane Movement Measurement Technique Using Digital Sampling Moiré Method
Publisher: American Society of Civil Engineers
Abstract: Digital sampling moiré (DSM) method is a vision-based technique that uses phase differences of the moiré fringes to measure two-dimensional (2D) translations. However, it assumes no in-plane rotation is present, and its ...
Performance of a Nonlinear Electromagnetic Energy Harvester–Structure System under Random Excitation
Publisher: ASCE
Abstract: Electromagnetic (EM) energy harvesters have been proposed in civil engineering for simultaneous energy scavenging and structural vibration mitigation. One important component governing the performance of EM energy harvester ...
Adaptive Fuzzy Control for Nonlinear Building-Magnetorheological Damper System
Publisher: American Society of Civil Engineers
Abstract: Because of their intrinsically nonlinear characteristics, development of control strategies that are implementable and can fully utilize the capabilities of semiactive control devices is an important and challenging task. ...
Localization and Quantification of Concrete Spalling Defects Using Terrestrial Laser Scanning
Publisher: American Society of Civil Engineers
Abstract: During construction and maintenance of concrete structures, it is important to achieve and preserve good surface quality of their components. The current quality assessment for concrete surfaces, however, heavily relies ...
Structural Damage Diagnosis and Assessment under Seismic Excitations
Publisher: American Society of Civil Engineers
Abstract: This study proposes a method of detecting, locating, and quantifying structural damage by directly using structural vibration measurements in the time domain. In this method, the coupling effect of the damage at different ...
Experimental and Numerical Study on Dynamic Behavior of Eddy Current Damping with Frequency Dependence
Publisher: ASCE
Abstract: This study investigates the dynamic and nonlinear behavior of an eddy current (EC) damping mechanism by using shaking table tests and finite-element modeling. A noncontact and friction-free EC damper is firstly designed ...
Nonlinear Electromagnetic Energy Harvester–Structure System under Seismic Excitation: Vibration Mitigation and Energy Scavenging
Publisher: ASCE
Abstract: This study investigates the use of electromagnetic (EM) energy harvesters for the dual purpose of energy scavenging and vibration mitigation of seismically isolated structures during earthquake excitation. Specifically, ...
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