Browsing Margie and Bill Klesse College of Engineering and Integrated Design Faculty Research by Department "Mechanical Engineering"
Now showing items 1-20 of 70
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A 3D Printed Linear Pneumatic Actuator for Position, Force and Impedance Control
(5/24/2018)Although 3D printing has the potential to provide greater customization and to reduce the costs of creating actuators for industrial applications, the 3D printing of actuators is still a relatively new concept. We have ... -
A Hierarchical Approach Using Machine Learning Methods in Solar Photovoltaic Energy Production Forecasting
(1/19/2016)We evaluate and compare two common methods, artificial neural networks (ANN) and support vector regression (SVR), for predicting energy productions from a solar photovoltaic (PV) system in Florida 15 min, 1 h and 24 h ahead ... -
A Miniature 3D Printed On-Off Linear Pneumatic Actuator and Its Demonstration into a Cartoon Character of a Hopping Lamp
(10/17/2019)Although 3D printing has been extensively used to create passive machines and mechanisms, 3D printing of actuators is a relatively new concept. 3D printing of actuators allows greater customization, accelerates the design ... -
A Novel Mechanically Overdamped Actuator with Adjustable Stiffness (MOD-AwAS) for Safe Interaction and Accurate Positioning
(6/28/2017)This paper presents the design and development of a novel mechanically overdamped actuator with adjustable stiffness (MOD-AwAS). The novelty of MOD-AwAS compared to other variable stiffness actuators relates to its mechanical ... -
A Principal Component Analysis in Switchgrass Chemical Composition
(11/4/2016)In recent years, bioenergy has become a promising renewable energy source that can potentially reduce the greenhouse emissions and generate economic growth in rural areas. Gaining understanding and controlling biomass ... -
A Review of Methodological Approaches for the Design and Optimization of Wind Farms
(10/29/2014)This article presents a review of the state of the art of the Wind Farm Design and Optimization (WFDO) problem. The WFDO problem refers to a set of advanced planning actions needed to extremize the performance of wind ... -
Analysis and Development of a Small-Scale Supercritical Carbon Dioxide (sCO2) Brayton Cycle
(2022-05-13)Carbon dioxide’s (CO2) ability to reach the supercritical phase (7.39 MPa and 304.15 K) with low thermal energy input is an advantageous feature in power generation design, allowing for the use of various heat sources in ... -
Animal Model Dependent Response to Pentagalloyl Glucose in Murine Abdominal Aortic Injury
(1/9/2021)Abdominal aortic aneurysms (AAAs) are a local dilation of the aorta and are associated with significant mortality due to rupture and treatment complications. There is a need for less invasive treatments to prevent aneurysm ... -
Assessment and Modeling of Plasmonic Photothermal Therapy Delivered via a Fiberoptic Microneedle Device Ex Vivo
(12/10/2021)Plasmonic photothermal therapy (PPTT) has potential as a superior treatment method for pancreatic cancer, a disease with high mortality partially attributable to the currently non-selective treatment options. PPTT utilizes ... -
Biglycan and chondroitin sulfate play pivotal roles in bone toughness via retaining bound water in bone mineral matrix
(Matrix Biology;Vol. 94, 9/28/2020)Recent in vitro evidence shows that glycosaminoglycans (GAGs) and proteoglycans (PGs) in bone matrix may functionally be involved in the tissue-level toughness of bone. In this study, we showed the effect of biglycan (Bgn), ... -
Bioinspired design of hybrid composite materials
(International Journal of Smart and Nano Materials;10(1), 11/24/2018)Mimicking the natural design motifs of structural biological materials is a promising approach to achieve a unique combination of strength and toughness for engineering materials. In this study, we proposed a 2D computational ... -
Biomechanical Restoration Potential of Pentagalloyl Glucose after Arterial Extracellular Matrix Degeneration
(7/3/2019)The objective of this study was to quantify pentagalloyl glucose (PGG) mediated biomechanical restoration of degenerated extracellular matrix (ECM). Planar biaxial tensile testing was performed for native (N), enzyme-treated ... -
A block forward substitution method for solving the hypercomplex finite element system of equations
(Computer Methods in Applied Mechanics and Engineering;387, 2021-12-15)The hypercomplex finite element method, ZFEM, allows the analyst to compute highly-accurate arbitrary-order shape, material property, and loading derivatives by augmenting the traditional finite element method with multiple ... -
CO2 Hydrogenation: Na Doping Promotes CO and Hydrocarbon Formation over Ru/m-ZrO2 at Elevated Pressures in Gas Phase Media
(2023-03-24)Sodium-promoted monoclinic zirconia supported ruthenium catalysts were tested for CO2 hydrogenation at 20 bar and a H2:CO2 ratio of 3:1. Although increasing sodium promotion, from 2.5% to 5% by weight, slightly decreased ... -
A complex-variable cohesive finite element subroutine to enable efficient determination of interfacial cohesive material parameters
(Engineering Fracture Mechanics;247, 2021-04-15)A new complex-variable version of a cohesive element is presented that provides highly accurate first order derivatives of the nodal displacements with respect to the cohesive fracture parameters. These sensitivities are ... -
A complex-variable finite element method-based inverse methodology to extract constitutive parameters using experimental data
(2022-05-15)This paper presents the use of full-field kinematic measurements obtained using the digital image correlation (DIC) procedure and load–displacement data to determine constitutive material properties by solving an inverse ... -
Computational Investigation of Crack-Induced Hot-Spot Generation in Energetic Composites
(8/10/2021)The sensitivity of polymer-bonded explosives (PBXs) can be tuned through adjusting binder material and its volume fraction, crystal composition and morphology. To obtain a better understanding of the correlation between ... -
Control Synergies for Rapid Stabilization and Enlarged Region of Attraction for a Model of Hopping
(9/6/2018)Inspired by biological control synergies, wherein fixed groups of muscles are activated in a coordinated fashion to perform tasks in a stable way, we present an analogous control approach for the stabilization of legged ... -
Crack-Length Estimation for Structural Health Monitoring Using the High-Frequency Resonances Excited by the Energy Release during Fatigue-Crack Growth
(6/20/2021)Acoustic waves are widely used in structural health monitoring (SHM) for detecting fatigue cracking. The strain energy released when a fatigue crack advances has the effect of exciting acoustic waves, which travel through ... -
Design, Modeling, and Control of a Differential Drive Rimless Wheel That Can Move Straight and Turn
(7/19/2021)A rimless wheel or a wheel without a rim, is the simplest example of a legged robot and is an ideal testbed to understand the mechanics of locomotion. This paper presents the design, modeling, and control of a differential ...