Advanced Self Powered Systems of Sensors and Technologies Center
Works Published in 2015
Displaying works 21 - 40 of 186 in total
Sorted by most recent date added to the index first, which may not be the same as publication date order.
2015 conference paper
Tracking water droplets under descent and deformation
ACM SIGGRAPH 2015 Posters on - SIGGRAPH '15.
TL;DR:
This work presents a system for tracking the movement and deformation of drops of water in free fall and collision using techniques from image processing, computer vision and computational geometry to track the the droplet's position and shape.
(via Semantic Scholar)
Source: ORCID
Added: August 3, 2022
2015 journal article
Melt-and-mold fabrication (MnM-Fab) of reconfigurable low-cost devices for use in resource-limited settings
Talanta.
Contributors: Z. Li *, I. Tevis*, S. Oyola-Reynoso*, L. Newcomb*, J. Halbertsma-Black*, J. Bloch *, M. Thuo*
author keywords: Low-cost; Bioanalytical; Microfluidic; Reconfigurable; Green; Reusable
TL;DR:
It is concluded that this MnM-Fab method is capable of addressing some challenges typically encountered with device translation, such as technical know-how or material supply, and that it can be applied to other devices, as needed in the field, using a single moldable material.
(via Semantic Scholar)
manuscript.elsevier.com (publisher PDF)
Source: ORCID
Added: August 3, 2022
2015 journal article
Pot-in-pot reactions: a simple and green approach to efficient organic synthesis
Rsc Advances, 5(1), 597–607.
Contributors: M. Atkinson*, S. Oyola-Reynoso*, R. Luna*, D. Bwambok & M. Thuo*
TL;DR:
This review highlights pot-in-pot reactions (multiple reactions carried out in one pot by separating key reactions with a thin polymeric membrane) as an efficient, green synthetic alternative to conventional synthesis.
(via Semantic Scholar)
Source: ORCID
Added: August 3, 2022
2015 journal article
Draw your assay: Fabrication of low-cost paper-based diagnostic and multi-well test zones by drawing on a paper
Talanta, 144, 289–293.
author keywords: Paper-based devices; Low-cost devices; Point of care diagnostics; mu-Pads; p-ELISA
MeSH headings : Enzyme-Linked Immunosorbent Assay; Glucose / analysis; Hydrophobic and Hydrophilic Interactions; Paper; Point-of-Care Testing; Printing; Urinalysis
TL;DR:
This communication describes a simple, low-cost, adaptable, and portable method for patterning paper and subsequent use of the patterned paper in diagnostic tests and demonstrates the reproducibility of assays on these devices.
(via Semantic Scholar)
Source: ORCID
Added: August 3, 2022
2015 journal article
Tattoo-based noninvasive glucose monitoring: A proof-of-concept study
Analytical Chemistry, 87(1), 394–398.
Contributors: A. Bandodkar* , W. Jia *, C. Yardimci*, X. Wang *, J. Ramirez * & J. Wang *
MeSH headings : Adult; Biosensing Techniques / instrumentation; Epidermis / chemistry; Equipment Design; Extracellular Fluid / chemistry; Female; Glucose / analysis; Healthy Volunteers; Humans; Iontophoresis / instrumentation; Male; Tattooing / methods; Young Adult
TL;DR:
This preliminary investigation indicates that the tattoo-based iontophoresis-sensor platform holds considerable promise for efficient diabetes management and can be extended toward noninvasive monitoring of other physiologically relevant analytes present in the interstitial fluid.
(via Semantic Scholar)
Source: ORCID
Added: April 8, 2022
2015 speech
Closed-loop Control Methods for a Hybrid Neuroprosthesis
Sharma, N. (2015, October). Presented at the Panther Rounds Speaker (UPMC Mercy), Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, PA.
Event: at Panther Rounds Speaker (UPMC Mercy), Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, PA on October 21, 2015
Source: NC State University Libraries
Added: September 30, 2021
2015 speech
Closed-loop Control Methods for a Hybrid Neuroprosthesis
Sharma, N. (2015, June). Presented at the Human Engineering Research Laboratories, University of Pittsburgh, Pittsburgh, PA.
Event: Human Engineering Research Laboratories at University of Pittsburgh, Pittsburgh, PA on June 22, 2015
Source: NC State University Libraries
Added: September 24, 2021
2015 journal article
A Muscle Synergy-Inspired Adaptive Control Scheme for a Hybrid Walking Neuroprosthesis
Frontiers in Bioengineering and Biotechnology, 3, 203.
Contributors: N. Alibeji*, N. Kirsch* & N. Sharma*
author keywords: non-linear control; adaptive control; time-invariant synergies; functional electrical stimulation; hybrid neuroprosthesis
TL;DR:
Inspired by the muscle synergy principle, a low dimensional controller to control multiple effectors: FES of multiple muscles and electric motors is designed and may help to compensate for other time-varying phenomena.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions
(OpenAlex)
Sources: Crossref, NC State University Libraries, ORCID
Added: September 23, 2021
2015 conference paper
Expectation Maximization Method to Identify an Electrically Stimulated Musculoskeletal Model
[Paper]. Volume 2: Diagnostics and Detection; Drilling; Dynamics and Control of Wind Energy Systems; Energy Harvesting; Estimation and Identification; Flexible and Smart Structure Control; Fuels Cells/Energy Storage; Human Robot Interaction; HVAC Building Energy Management; Industrial Applications; Intelligent Transportation Systems; Manufacturing; Mechatronics; Modelling and Validation; Motion and Vibration Control Applications, 2(DSCC2015-9956).
Contributors: H. Ravichandar *, A. Dani *, J. Khadijah-Hajdu*, N. Kirsch*, Q. Zhong * & N. Sharma*
Event: ASME 2015 Dynamic Systems and Control Conference
TL;DR:
A system identification algorithm for a musculoskeletal system using an approximate expectation maximization (E-M) using a dynamic model of the lower leg with a fixed ankle is presented.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: September 23, 2021
2015 conference paper
Dynamic surface control of neuromuscular electrical stimulation of a musculoskeletal system with activation dynamics and an input delay
2015 American Control Conference (ACC), 2015-July, 631–636.
Contributors: N. Alibeji*, N. Kirsch* & N. Sharma*
Event: 2015 American Control Conference (ACC)
TL;DR:
A dynamic surface control (DSC) approach was used to design an NMES controller that compensates for EMD in the activation dynamics and achieves semi-global uniformly ultimately bounded (SGUUB) tracking for the delayed musculoskeletal system.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions
(OpenAlex)
Sources: Crossref, NC State University Libraries, ORCID
Added: September 23, 2021
2015 journal article
An Adaptive Low-Dimensional Control for a Hybrid Neuroprosthesis
IFAC-PapersOnLine, 48(20), 303–308.
Contributors: N. Alibeji*, N. Kirsch* & N. Sharma*
TL;DR:
A low-dimensional controller inspired from the muscle synergy principle is designed that requires few control signals to actuate multiple effectors in a hybrid neuroprostheses and yields semi-global uniformly ultimately boundedness.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: September 23, 2021
2015 journal article
Optimization of a Stimulation Train based on a Predictive Model of Muscle Force and Fatigue
IFAC-PapersOnLine, 48(20), 338–342.
Contributors: B. Doll*, N. Kirsch* & N. Sharma*
TL;DR:
Preliminary results show that optimizing stimulation patterns, based on a subject specific predictive mathematical model, may potentially delay the onset of muscle fatigue while obtaining desired force profiles.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: September 23, 2021
2015 conference paper
Nonlinear Model Predictive Control of Functional Electrical Stimulation
Volume 2: Diagnostics and Detection; Drilling; Dynamics and Control of Wind Energy Systems; Energy Harvesting; Estimation and Identification; Flexible and Smart Structure Control; Fuels Cells/Energy Storage; Human Robot Interaction; HVAC Building Energy Management; Industrial Applications; Intelligent Transportation Systems; Manufacturing; Mechatronics; Modelling and Validation; Motion and Vibration Control Applications, 2.
Contributors: N. Kirsch*, N. Alibeji* & N. Sharma*
Event: ASME 2015 Dynamic Systems and Control Conference
TL;DR:
A gradient projection-based model predictive controller is used for an approximate optimal control of a knee extension neuroprosthesis using a control Lyapunov function as a terminal cost to ensure stability of the model predictive control.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: September 23, 2021
2015 journal article
Further Results on Predictor-Based Control of Neuromuscular Electrical Stimulation
IEEE Transactions on Neural Systems and Rehabilitation Engineering, 23(6), 1095–1105.
Contributors: N. Alibeji*, N. Kirsch*, S. Farrokhi * & N. Sharma*
author keywords: Electromechanical delay; functional electrical stimulation; input delay; Lyapunov-Krasovskii functionals; Lyapunov Methods; neuromuscular electrical stimulation (NMES); nonlinear control
MeSH headings : Adult; Algorithms; Arm / physiology; Electric Stimulation; Healthy Volunteers; Humans; Leg / innervation; Leg / physiology; Male; Models, Neurological; Movement; Musculoskeletal Physiological Phenomena; Nonlinear Dynamics; Psychomotor Performance / physiology; Walking / physiology; Young Adult
TL;DR:
A new predictor-based closed-loop controller called proportional integral derivative controller with delay compensation (PID-DC) is presented in this paper, designed to compensate for EMDs during NMES.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: September 23, 2021
2015 journal article
Advantages and challenges of relaxor-PbTiO3 ferroelectric crystals for electroacoustic transducers – A review
Progress in Materials Science, 68, 1–66.
author keywords: Relaxor-PT; Ferroelectric; Piezoelectric; Crystals; Transducers; Electroacoustic
TL;DR:
In this review, the performance merits of relaxor-PT crystals in various electroacoustic devices are presented from a piezoelectric material viewpoint and the impacts and challenges are summarized to guide on-going and future research in the development of relaxors for the next generation electroac acoustic transducers.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science)
Source: Crossref
Added: August 16, 2021
2015 journal article
Student Documentaries Based on the C3 Framework
Social Education, 79(2), 111–114.
Source: NC State University Libraries
Added: April 10, 2021
2015 journal article
Comparison of the behavior of PEG-POSS stars with unlinked POSS in PEO films and fibers
Abstracts of Papers of The American Chemical Society, 250.
Source: NC State University Libraries
Added: March 8, 2021
2015 journal article
Wearable temporary tattoo sensor for real-time trace metal monitoring in human sweat
Electrochemistry Communications, 51, 41–45.
Contributors: J. Kim *, W. De Araujo *, I. Samek*, A. Bandodkar* , W. Jia *, B. Brunetti *, T. Paixão *, J. Wang *
author keywords: Wearable sensors; Stripping voltammetry; Zinc; Temporary tattoo sensor; Sweat
TL;DR:
A wearable electrochemical sensor for non-invasive monitoring of trace metals in human perspiration that withstands repeated mechanical stress and displays a well-defined Zn response during on-body testing could be readily expanded to epidermal measurements of other relevant heavy metals.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries, ORCID
Added: January 5, 2021
2015 journal article
Highly Stretchable Fully-Printed CNT-Based Electrochemical Sensors and Biofuel Cells: Combining Intrinsic and Design-Induced Stretchability
Nano Letters, 16(1), 721–727.
author keywords: Printed electronics; electrochemical sensors; carbon nanotubes; biofuel cells; stretchable devices
MeSH headings : Bioelectric Energy Sources; Biosensing Techniques; Electrodes; Nanotechnology; Nanotubes, Carbon / chemistry; Printing
TL;DR:
This work presents the first example of an all-printed, inexpensive, highly stretchable CNT-based electrochemical sensor and biofuel cell array, and reveals that repeated stretching, torsional twisting, and indenting stress has negligible impact on its electrochemical properties.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Sources: Crossref, NC State University Libraries
Added: January 5, 2021
2015 journal article
Microfluidics: Microfluidic Strategies for Design and Assembly of Microfibers and Nanofibers with Tissue Engineering and Regenerative Medicine Applications (Adv. Healthcare Mater. 1/2015)
Advanced Healthcare Materials, 4(1), 2–2.
Source: Crossref
Added: December 31, 2020
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