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Data-Driven Control Allocation for Overactuated Linear Time-Invariant Systems by Exploiting Sparsity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. This paper proposes a data-driven control allocation (CA) scheme for input-redundant linear time-invariant systems. Contrary to the existing literature, the present work is built on a static state-feedback ...
Explicit Analytical Expression for Solar Flux Distribution on an Undeflected Absorber Tube of Parabolic Trough Concentrator Considering Sun Shape and Optical Errors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The absorber tube of the parabolic trough receives the concentrated sunrays only on the portion facing the reflector. It leads to nonuniformity in the temperature of absorber tube. Thus, the material of tube expands ...
Predictive Electromechanical Model for Energy Scavengers Using Patterned Piezoelectric Layers
Publisher: American Society of Civil Engineers
Abstract: The piezoelectric transduction mechanism is widely used in passive sensing, health monitoring, and energy harvesting. Plate-type energy harvesters are usually discouraged; however, piezoelectric layers on a substrate in a ...
LeaderBased Consensus in Directed Networks of Homogeneous Positive Agents With Multiple Inputs
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, the nonzero finite positive state consensus problem of leaderfollowing multiagent systems (MASs) connected over a directed network is investigated. The multiagent network consists of homogeneous linear ...
Isogeometric Shape Optimization for Design Dependent Loads
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a new isogeometric formulation for shape optimization of structures subjected to design dependent loads. This work considers two types of design dependent loads, namely, surface loads like pressure where ...
Precursor Damage Quantification in Composite Structures Using Coda Wave Interferometry and Nonlinear Ultrasonics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Methods to quantification of precursor damage in carbon fiber reinforced polymer (CFRP) composite structures are reported herein. These techniques include coda wave interferometry (CWI) and nonlinear ultrasonics (NLU). ...
Synthesizing Negative-Imaginary Systems With Closed-Loop H∞-Performance Via Static Output Feedback Control
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper develops an algorithm for synthesizing negative imaginary (NI) systems with a specified H∞-norm bound by exploiting the convex relaxation technique in the static output-feedback (SOF) control design framework. ...
Reinforcement Learning Building Control: An Online Approach With Guided Exploration Using Surrogate Models
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The incorporation of emerging technologies, including solar photovoltaics, electric vehicles, battery energy storage, smart devices, Internet-of-Things devices, and sensors in buildings, desirable control objectives are ...
Splattering During Turbulent Liquid Jet Impingement on Solid Targets
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In turbulent liquid jet impingement, a spray of droplets often breaks off of the liquid layer formed on the target. This splattering of liquid alters the efficiencies of jet impingement heat ...
Surface Disturbance Evolution and the Splattering of Turbulent Liquid Jets
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this study, we investigate the growth of surface disturbances on turbulent liquid jets in air and its relation to the amount of splattering when the jet strikes a target. A laser-based ...
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