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RISSatellite Neuro-PD Three-Axis Stabilization Based on Three Reaction Wheels
Publisher: American Society of Civil Engineers
Abstract: In this paper, a neuro-proportional derivative (PD) method is presented to stabilize a satellite with respect to the gravity gradient. Three reaction wheels are employed to produce the necessary torque in the axes of the ...
Direct Adaptive Function Approximation Techniques Based Control of Robot Manipulators
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, a simple model-free controller for electrically driven robot manipulators is presented using function approximation techniques (FAT) such as Legendre polynomials (LP) and Fourier series (FS). According to ...
Analysis of Optimal Balancing for Robotic Manipulators in Repetitive Motions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Balancing plays a major role in performance improvement of robotic manipulators. From an optimization point of view, some balancing parameters can be modified to decrease motion cost. Recently introduced, this concept is ...
An Analytical 2D Formulation for the Combined Cooling of PCM-Covered Cylindrical Battery Cells
Publisher: ASCE
Abstract: Lithium-ion battery packs are being used more and more in high energy, high power applications such as in power devices, drones, and electric or unmanned vehicles. Battery packs require careful heat management to guarantee ...
Uncertainty Analysis of Pipe-Network Hydraulics Using a Many-Objective Particle Swarm Optimization
Publisher: American Society of Civil Engineers
An Improved Direct Search Mathematical Programming Algorithm
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An improved, nonlinear, constrained algorithm is presented, coupling a rotating coordinate pattern search with a feasible direction finding procedure used at points of pattern search termination. ...
A Boundary Tracking Optimization Algorithm for Constrained Nonlinear Problems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new procedure for numerical optimization of constrained nonlinear problems is described. The method makes use of an efficient “Boundary Tracking” strategy to move on the constraint surfaces. ...
Finite-Element Simulation of Posttensioned Steel Connections with Bolted Angles under Cyclic Loading
Publisher: American Society of Civil Engineers
Abstract: Steel beam-column connections with posttensioned (PT) elements are proven systems that can provide adequate stiffness, strength, and ductility, while eliminating permanent deformations in a moment-resisting frame subjected ...
Finite-Element Simulation of Posttensioned Steel Connections with Bolted Angles under Cyclic Loading
Publisher: American Society of Civil Engineers
Abstract: Steel beam-column connections with posttensioned (PT) elements are proven systems that can provide adequate stiffness, strength, and ductility, while eliminating permanent deformations in a moment-resisting frame subjected ...
Dimensional Analysis of Buckling of Stiffened Composite Shells
Publisher: American Society of Civil Engineers
Abstract: Dimensional analysis is applied to a simple model of stiffened laminated cylindrical shells to determine the dimensionless parameters that characterize the buckling of these structures. Donnell shell theory is used to ...