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Showing 1 to 12 of 58 entries
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Geometrical Design of a Scalable Overlapping Planar Spiral Coil Array to Generate a Homogeneous Magnetic Field.

IEEE transactions on magnetics

Jow UM, Ghovanloo M.
PMID: 24782576
IEEE Trans Magn. 2012 Dec 21;49(6):2933-2945. doi: 10.1109/TMAG.2012.2235181.

We present a design methodology for an overlapping hexagonal planar spiral coil (hex-PSC) array, optimized for creation of a homogenous magnetic field for wireless power transmission to randomly moving objects. The modular hex-PSC array has been implemented in the...

Prediction of bending stiffness and deformed shape of non-axially compressed microtubule by a semi-analytical approach.

Journal of biological physics

Ghavanloo E, Daneshmand F, Amabili M.
PMID: 21886347
J Biol Phys. 2010 Sep;36(4):427-35. doi: 10.1007/s10867-010-9193-5. Epub 2010 Jul 24.

The bending stiffness of a microtubule is one of the most important parameters needed in the analysis of microtubule deformation. In this study, a semi-analytical approach is developed to predict the bending stiffness and deformed shape of a non-axially...

Active High Power Conversion Efficiency Rectifier With Built-In Dual-Mode Back Telemetry in Standard CMOS Technology.

IEEE transactions on biomedical circuits and systems

Bawa G, Ghovanloo M.
PMID: 23852968
IEEE Trans Biomed Circuits Syst. 2008 Sep;2(3):184-92. doi: 10.1109/TBCAS.2008.924444.

In this paper, we present an active rectifier with high power conversion efficiency (PCE) implemented in a 0.5- mum 5 V standard CMOS technology with two modes of built-in back telemetry; short- and open-circuit. As a rectifier, it ensures...

Modeling and optimization of printed spiral coils in air, saline, and muscle tissue environments.

IEEE transactions on biomedical circuits and systems

Uei-Ming Jow, Ghovanloo M.
PMID: 20948991
IEEE Trans Biomed Circuits Syst. 2009 Oct;3(5):339-47. doi: 10.1109/TBCAS.2009.2025366. Epub 2009 Aug 25.

Printed spiral coils (PSCs) are viable candidates for near-field wireless power transmission to the next generation of high-performance neuroprosthetic devices with extreme size constraints, which will target intraocular and intracranial spaces. Optimizing the PSC geometries to maximize the power...

Design and optimization of printed spiral coils for efficient transcutaneous inductive power transmission.

IEEE transactions on biomedical circuits and systems

Uei-Ming Jow, Ghovanloo M.
PMID: 23852413
IEEE Trans Biomed Circuits Syst. 2007 Sep;1(3):193-202. doi: 10.1109/TBCAS.2007.913130.

The next generation of implantable high-power neuroprosthetic devices such as visual prostheses and brain computer interfaces are going to be powered by transcutaneous inductive power links formed between a pair of printed spiral coils (PSC) that are batch-fabricated using...

Optimization of data coils in a multiband wireless link for neuroprosthetic implantable devices.

IEEE transactions on biomedical circuits and systems

Uei-Ming Jow, Ghovanloo M.
PMID: 21918679
IEEE Trans Biomed Circuits Syst. 2010 Oct;4(5):301-10. doi: 10.1109/TBCAS.2010.2049491. Epub 2010 Jun 14.

We have presented the design methodology along with detailed simulation and measurement results for optimizing a multiband transcutaneous wireless link for high-performance implantable neuroprosthetic devices. We have utilized three individual carrier signals and coil/antenna pairs for power transmission, forward...

The Circuit Theory Behind Coupled-Mode Magnetic Resonance-Based Wireless Power Transmission.

IEEE transactions on circuits and systems. I, Regular papers : a publication of the IEEE Circuits and Systems Society

Kiani M, Ghovanloo M.
PMID: 24683368
IEEE Trans Circuits Syst I Regul Pap. 2012 Sep;59(9):2065-2074. doi: 10.1109/TCSI.2011.2180446.

Inductive coupling is a viable scheme to wirelessly energize devices with a wide range of power requirements from nanowatts in radio frequency identification tags to milliwatts in implantable microelectronic devices, watts in mobile electronics, and kilowatts in electric cars....

Optimal Design of a Resonance-Based Voltage Boosting Rectifier for Wireless Power Transmission.

IEEE transactions on industrial electronics (1982)

Lim J, Lee B, Ghovanloo M.
PMID: 29249849
IEEE Trans Ind Electron. 2018 Feb;65(2):1645-1654. doi: 10.1109/TIE.2017.2733456. Epub 2017 Jul 28.

This paper presents the design procedure for a new multi-cycle resonance-based voltage boosting rectifier (MCRR) capable of delivering a desired amount of power to the load (PDL) at a designated high voltage (HV) through a loosely-coupled inductive link. This...

A Multi-Cycle Q-Modulation for Dynamic Optimization of Inductive Links.

IEEE transactions on industrial electronics (1982)

Lee B, Yeon P, Ghovanloo M.
PMID: 27493445
IEEE Trans Ind Electron. 2016 Aug;63(8):5091-5100. doi: 10.1109/TIE.2016.2550009. Epub 2016 Apr 04.

This paper presents a new method, called multi-cycle Q-modulation, which can be used in wireless power transmission (WPT) to modulate the quality factor (Q) of the receiver (Rx) coil and dynamically optimize the load impedance to maximize the power...

Wireless Communication of Intraoral Devices and Its Optimal Frequency Selection.

IEEE transactions on microwave theory and techniques

Park H, Ghovanloo M.
PMID: 26236039
IEEE Trans Microw Theory Tech. 2014 Dec;62(12):3205-3215. doi: 10.1109/TMTT.2014.2365804.

This paper explores communication methods and frequencies for wireless intraoral electronic devices, by using an intraoral tongue drive system (iTDS) as a practical example. Because intraoral devices do not meet the operating conditions of the body channel communication, we...

Long-term Low-Intensity Endurance Exercise along with Blood-Flow Restriction Improves Muscle Mass and Neuromuscular Junction Compartments in Old Rats.

Iranian journal of medical sciences

Pour MB, Joukar S, Hovanloo F, Najafipour H.
PMID: 29184265
Iran J Med Sci. 2017 Nov;42(6):569-576.

BACKGROUND: During the aging process, muscle atrophy and neuromuscular junction remodeling are inevitable. The present study aimed to clarify whether low-intensity aerobic exercise along with limb blood-flow restriction (BFR) could improve aging-induced muscle atrophy and nicotinic acetylcholine receptors (nAChRs)...

Improving Upper Extremity Function and Quality of Life with a Tongue Driven Exoskeleton: A Pilot Study Quantifying Stroke Rehabilitation.

Stroke research and treatment

Housley SN, Wu D, Richards K, Belagaje S, Ghovanloo M, Butler AJ.
PMID: 29403672
Stroke Res Treat. 2017;2017:3603860. doi: 10.1155/2017/3603860. Epub 2017 Dec 18.

Stroke is a leading cause of long-term disability around the world. Many survivors experience upper extremity (UE) impairment with few rehabilitation opportunities, secondary to a lack of voluntary muscle control. We developed a novel rehabilitation paradigm (TDS-HM) that uses...

Showing 1 to 12 of 58 entries