Mechanical and Aerospace Engineering

Works Published in 2021

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Displaying works 61 - 80 of 297 in total

Sorted by most recent date added to the index first, which may not be the same as publication date order.

2021 article

The polymer nanocomposites embedded particles size and agglomeration effect on the effective refractive index tuning

(W. Park, A.-J. Attias, & B. Panchapakesan, Eds.). NANOENGINEERING: FABRICATION, PROPERTIES, OPTICS, THIN FILMS, AND DEVICES XVIII, Vol. 11802.

By: S. Liu n, M. Islam n , Z. Ku*, A. Urbas*, D. Boyd *, W. Kim*, J. Sanghera*, J. Ryu n 

Ed(s): W. Park, A. Attias & B. Panchapakesan

author keywords: Optical nanocomposites; FEA; Refractive index; Particle size; Agglomeration
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 28, 2022

2021 article

A Powered Prosthetic Ankle Designed for Task Variability - A Concept Validation

2021 IEEE/RSJ INTERNATIONAL CONFERENCE ON INTELLIGENT ROBOTS AND SYSTEMS (IROS), pp. 6153–6158.

By: S. Upadhye n, C. Shah n, M. Liu n, G. Buckner n & H. Huang n 

TL;DR: A new active prosthetic ankle, Variable Spring embedded Motor-ball screw (VSeM) ankle, to meet all these requirements at the same time, and its capability to mimic human ankle was validated through both bench tests and human subject tests. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: March 21, 2022

2021 article

Wearable Bioimpedance Hydration Monitoring System using Conformable AgNW Electrodes

2021 IEEE SENSORS.

By: T. Songkakul n , S. Wu n, P. Ahmmed n , W. Reynolds, Y. Zhu n & A. Bozkurt n

author keywords: bioimpedance spectroscopy; wearable; hydration
TL;DR: A custom miniaturized wearable bioimpedance spectroscopy (BIS) system consisting of a Bluetooth-enabled system-on-a-chip and an analog front-end circuit integrated with conformable, flexible, and stretchable silver-nanowire electrodes is presented. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: February 28, 2022

2021 journal article

Aerodynamic Tethered Sails for Scientific Balloon Trajectory Control: Small-Scale Experimental Demonstration

JOURNAL OF AIRCRAFT, 58(5), 1010–1021.

By: C. Yoder n, S. Agrawal  n, A. Motes n & A. Mazzoleni n

author keywords: Rudder; Control Systems; Aerodynamic Coefficients; High Altitude Balloon; Ground Station; Damping Coefficient; Earth; Aerodynamic Angle; Newton's Second Law; Young's Modulus
TL;DR: High-altitude scientific balloons are often prohibited from flying due to the risk associated with flying over populated areas, but one solution to this problem is the use of a trajectory control system. (via Semantic Scholar)
Source: Web Of Science
Added: February 28, 2022

2021 journal article

A Biaxially Stretchable and Self-Sensing Textile Heater Using Silver Nanowire Composite

ACS APPLIED MATERIALS & INTERFACES, 13(49), 59085–59091.

By: S. Wu n, Z. Cui n, G. Baker n, S. Mahendran n, Z. Xie n & Y. Zhu n

author keywords: silver nanowire; Kirigami; wearable heater; stretchable; smart textile; self-sensing
TL;DR: A resistive, biaxially stretchable heater based on AgNW composite is reported for the first time, where a AgNW percolation network is encased in a thin polyimide (PI) film and integrated with a highly stretchable textile. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: February 28, 2022

2021 journal article

Vitamin D deficiency promotes accumulation of bioactive lipids and increased endocannabinoid tone in zebrafish

JOURNAL OF LIPID RESEARCH, 62.

By: M. Knuth  n, W. Stutts n , M. Ritter  n, K. Garrard n & S. Kullman n 

author keywords: MS; metabolomics; lipidomics; lipids; nutrition; endocannabinoid biosynthesis; MSI; IR-MALDESI; anandamide
MeSH headings : Animals; Endocannabinoids / metabolism; Lipid Metabolism; Lipids / chemistry; Vitamin D Deficiency / metabolism; Zebrafish
TL;DR: Investigation of putative linkages between vitamin D deficiency and metabolic disruption of bioactive lipids by MS imaging and expression of genes involved in EC biosynthesis, metabolism, and receptor signaling in adipose tissue and liver suggest that VDD may promote accumulation of bio active lipids and increased EC tone in zebrafish. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: February 7, 2022

2021 journal article

An analysis of flexoelectric coupling associated electroelastic fields in functionally graded semiconductor nanobeams

JOURNAL OF APPLIED PHYSICS, 130(11).

By: L. Chu *, G. Dui *, H. Mei *, L. Liu * & Y. Li n

Source: Web Of Science
Added: January 24, 2022

2021 article

Conjugated polymers with controllable interfacial order and energetics enable tunable heterojunctions in organic and colloidal quantum dot photovoltaics

Zhong, Y., Kirmani, A. R., Lan, X., Carpenter, J., Chew, A. R.-H., Awartani, O., … Amassian, A. (2021, December 24). JOURNAL OF MATERIALS CHEMISTRY A.

By: Y. Zhong *, A. Kirmani *, X. Lan *, J. Carpenter n, A. Chew*, O. Awartani n, L. Yu *, M. Niazi * ...

UN Sustainable Development Goal Categories
Source: Web Of Science
Added: January 18, 2022

2021 journal article

Closed-loop control of a prosthetic finger via evoked proprioceptive information

JOURNAL OF NEURAL ENGINEERING, 18(6).

By: L. Vargas n, H. Huang n , Y. Zhu n & X. Hu n

author keywords: prosthetic control; bidirectional neural-machine interface; vibratory stimulation; velocity control; position control
MeSH headings : Arm / physiology; Artificial Limbs; Feedback, Sensory / physiology; Hand / physiology; Humans; Proprioception / physiology
TL;DR: The findings suggest that closed-loop control of a prosthetic device can be achieved using non-invasive evoked proprioceptive feedback delivered to intact participants, and the evoked sensory information was integrated during myoelectric control effectively for both control strategies. (via Semantic Scholar)
Source: Web Of Science
Added: January 18, 2022

2021 journal article

Bio-inspired spectropolarimetric sensor based on tandem organic photodetectors and multi-twist liquid crystals

OPTICS EXPRESS, 29(26), 43953–43969.

By: A. Altaqui n, H. Schrickx n, P. Sen n, L. Li n, J. Rech, J. Lee*, N. Balar n, W. You * ...

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: January 18, 2022

2021 review

Electricity in the air: Insights from two decades of advanced control research and experimental flight testing of airborne wind energy systems

[Review of ]. ANNUAL REVIEWS IN CONTROL, 52, 330–357.

By: C. Vermillion n, M. Cobb  n, L. Fagiano *, R. Leuthold*, M. Diehl *, R. Smith *, T. Wood *, S. Rapp* ...

author keywords: Airborne wind energy; Autonomous flight; Tethered aircraft
TL;DR: This survey article explores insights from the development and experimental deployment of control systems for airborne wind energy platforms over approximately the past two decades, highlighting both the optimal control approaches that have been used to extract the maximal amount of power from tethered systems and the robust modal control approaches used to achieve reliable launch, landing, and extreme wind operation. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (Web of Science; OpenAlex)
Source: Web Of Science
Added: January 10, 2022

2021 article

Investigation of creep properties and the cytoskeletal structures of non-tumorigenic breast cells and triple-negative breast cancer cells

Onwudiwe, K., Obayemi, J., Hu, J., Oparah, J., Onyekanne, C., Nwazojie, C., … Soboyejo, W. (2021, December 29). JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART A, Vol. 110.

By: K. Onwudiwe *, J. Obayemi *, J. Hu n , J. Oparah*, C. Onyekanne*, C. Nwazojie*, T. Aina*, V. Uzonwanne*, A. Salifu*, W. Soboyejo *

author keywords: cancer detection; cell viscoelastic; creep properties; confocal microscopy; cytoskeletal proteins; immunofluorescence staining; relative volume density; shear assay
MeSH headings : Actins; Cytoskeleton; Elastic Modulus; Elasticity; Humans; Triple Negative Breast Neoplasms; Viscosity
TL;DR: The study reveals significant differences between the creep and viscoelastic properties of non-tumorigenic breast cells versus tumorigenic cells and the variations in the creep strain rates are shown to be well characterized by lognormal distributions. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: January 10, 2022

2021 journal article

Low-Order Method for Prediction of Separation and Stall on Unswept Wings

JOURNAL OF AIRCRAFT, 58(3), 420–435.

By: P. Hosangadi  n & A. Gopalarathnam n

TL;DR: Results from the method, presented for unswept wings having various airfoils, aspect ratios, taper ratios, and small, quasi-steady roll rates, are shown to agree well with experimental results in the literature, and computational solutions obtained as part of the current work. (via Semantic Scholar)
Source: Web Of Science
Added: January 10, 2022

2021 journal article

Investigating training-test data splitting strategies for automated segmentation and scoring of COVID-19 lung ultrasound images

JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 150(6), 4118–4127.

By: R. Roshankhah n, Y. Karbalaeisadegh*, H. Greer*, F. Mento *, G. Soldati*, A. Smargiassi *, R. Inchingolo *, E. Torri * ...

MeSH headings : COVID-19; Humans; Image Processing, Computer-Assisted; Lung / diagnostic imaging; Pandemics; SARS-CoV-2; Tomography, X-Ray Computed
TL;DR: Anautomatic segmentation method using a convolutional neural network is proposed to automatically stage the progression of the disease and shed light on the efficient approaches and common challenges associated with automatic segmentation methods. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Source: Web Of Science
Added: January 3, 2022

2021 article

Introduction to the special issue on lung ultrasound

Demi, L., & Muller, M. (2021, December). JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, Vol. 150, pp. 4151–4154.

By: L. Demi * & M. Muller n

MeSH headings : COVID-19; Humans; Lung / diagnostic imaging; Pandemics; SARS-CoV-2; Ultrasonography
TL;DR: Through in silico, in vitro, and in vivo studies (preclinical animal studies and pilot clinical studies on human subjects), the research presented aims at leveraging the physical phenomena involved in ultrasound propagation to extract semi-quantitative and quantitative information relevant to estimate changes in lung structure. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Source: Web Of Science
Added: January 3, 2022

2021 article

Biosafety of Low-Intensity Pulsed Transcranial Focused Ultrasound Brain Stimulation - A Human Skull Study

HEALTH MONITORING OF STRUCTURAL AND BIOLOGICAL SYSTEMS XV, Vol. 11593.

By: M. Chen n, C. Peng  n, T. Kim *, P. Chhatbar*, M. Muller n, W. Feng *, X. Jiang n

author keywords: noninvasive brain stimulation; transcranial focused ultrasound; biosafety; low intensity; thermal effect
TL;DR: Biosafety of low-intensity pulsed tFUS using various sonication parameters was evaluated by measuring acoustic intensities and temperature variations across a piece of real human skull and showed that ISPTA above 480 mW/cm^2 is likely to induce an excessive temperature rise for a sonication duration of 160 seconds. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: January 3, 2022

2021 article

Iterative Learning-Based Path Optimization With Application to Marine Hydrokinetic Energy Systems

Cobb, M., Reed, J., Daniels, J., Siddiqui, A., Wu, M., Fathy, H., … Vermillion, C. (2021, April 20). IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY.

By: M. Cobb, J. Reed n, J. Daniels*, A. Siddiqui n, M. Wu *, H. Fathy *, K. Barton *, C. Vermillion n

author keywords: Poles and towers; Optimization; Wind energy; Shape; Wind energy generation; Heuristic algorithms; Convergence; Autonomous systems; control optimization; iterative learning control (ILC); renewable energy; tethered energy systems
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: January 3, 2022

2021 article

A Predictive Command Governor-Based Adaptive Cruise Controller With Collision Avoidance for Non-Connected Vehicle Following

Groelke, B., Earnhardt, C., Borek, J., & Vermillion, C. (2021, October 25). IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS.

By: B. Groelke  n, C. Earnhardt n, J. Borek * & C. Vermillion n

author keywords: Lead; Collision avoidance; Data models; Fuel economy; Safety; Biological system modeling; Vehicles; Advanced driver assistance systems (ADAS); predictive control; collision avoidance (CA); cruise control
TL;DR: Simulation results for a heavy-duty truck indicate that the CG-based ACC outperforms a PID-ACC in terms of fuel economy and drivability and was able to ensure rear-end collision avoidance in emergency stopping simulations. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: January 3, 2022

2021 article

Hierarchical Control of Heavy-Duty Trucks Through Signalized Intersections With Non-Deterministic Signal Timing

Borek, J., Groelke, B., Earnhardt, C., & Vermillion, C. (2021, November 23). IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS.

By: J. Borek *, B. Groelke  n, C. Earnhardt n & C. Vermillion n

author keywords: Uncertainty; Vehicle dynamics; Predictive models; Timing; Roads; Optimization; Drag; Autonomous vehicles; Gaussian Processes (GPs); hierarchical systems; optimal control; actuated signalized intersections
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: January 3, 2022

2021 review

Acoustics at the nanoscale (nanoacoustics): A comprehensive literature review. Part II: Nanoacoustics for biomedical imaging and therapy

[Review of ]. SENSORS AND ACTUATORS A-PHYSICAL, 332.

By: C. Peng n, M. Chen n, J. Spicer * & X. Jiang n

author keywords: Acoustics; Nanotechnology; Nanoacoustics; Nanomaterials; Biomedical applications; Imaging; Therapy; Photoacoustics; Laser ultrasound; Sonothrombolysis
TL;DR: Recent advancements of acoustics-associated nanomaterials/nanostructures and nanodevices for different applications are outlined in this comprehensive review of nanoacoustics in biomedical imaging and therapy applications. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: January 3, 2022

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