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Cerebellar Model Articulation Controller (CMAC) for Suppression of Structural Vibration
Publisher: American Society of Civil Engineers
Abstract: Applicability of the cerebellar model articulation controller (CMAC) to structural control is explored, and a training algorithm for the suppression of structural vibration is proposed. The training epochs and controlled ...
Efficient Solution Method of Eigenproblems for Damped Structural Systems Using Modified Newton-Raphson Technique
Publisher: American Society of Civil Engineers
Abstract: An efficient solution method is presented to solve the eigenvalue problem arising in the dynamic analysis of nonproportionally damped structural systems. The proposed method is obtained by applying the modified Newton-Raphson ...
Optimal Structural Control Using Neural Networks
Publisher: American Society of Civil Engineers
Abstract: An optimal control algorithm using neural networks is proposed. The controller neural network is trained by a training rule developed to minimize cost function. Both the linear structure and the nonlinear structure can be ...
Optimal Neurocontroller for Nonlinear Benchmark Structure
Publisher: American Society of Civil Engineers
Abstract: A neurocontrol method is applied to the nonlinear benchmark control problem. A neurocontroller is trained based on a reduced-order linear design model, then it is used to control a nonlinear evaluation model. In training ...
Control of Seismically Excited Cable-Stayed Bridge Employing Magnetorheological Fluid Dampers
Publisher: American Society of Civil Engineers
Abstract: This paper examines the ASCE first generation benchmark problem for a seismically excited cable-stayed bridge, and proposes a new semiactive control strategy focusing on inclusion of effects of control-structure interaction. ...
Semiactive Neurocontrol for Seismic Response Reduction Using Smart Damping Strategy
Publisher: American Society of Civil Engineers
Abstract: A new semiactive control strategy that combines a neurocontrol system with a smart damper is proposed to reduce seismic responses of structures. In the proposed semiactive control system, the improved neurocontroller, which ...
Eigensolution Method for Structures with Multiple or Close Eigenvalues
Publisher: American Society of Civil Engineers
Abstract: A solution method that can calculate the eigenproblem for large structures with multiple or close natural frequencies is presented. The method is formulated by the accelerated Newton-Raphson method for the transformed ...
Wave Propagation and Mode Localization in Simply Supported Multispan Beams with Couplers on Supports
Publisher: American Society of Civil Engineers
Abstract: The influences of couplers on wave propagation and mode localization in simply supported multispan beams with couplers consisting of lumped rotational stiffness and mass on supports are studied. A transfer matrix equation ...
Improvement of Eigensolution Method for Nonproportionally Damped Systems by Step Length
Publisher: American Society of Civil Engineers
Abstract: This study presents an efficient eigensolution method for nonproportionally damped systems. The proposed method is obtained by applying the accelerated Newton–Raphson technique and the orthonormal condition of the eigenvectors ...
Improvement of the Eigenvalue-Counting Method Based on the Argument Principle
Publisher: American Society of Civil Engineers
Abstract: This note proposes an improved eigenvalue-counting method based on the argument principle by introducing Rombouts’ algorithm, which is a stable, efficient, and accurate algorithm to calculate the coefficients of the ...