Embedded and cyber-physical systems are critically dependent on the integrity of input output signals for proper operation. Input acquired from sensors assumed to correspond phenomenon system is monitoring responding to. Similarly, when such issue an actuation signal it expected that mechanism being controlled will respond in a predictable manner. Recent work has shown can be manipulated through use intentional electromagnetic interference (IEMI). In this work, we demonstrate thatboth...

This work sets forth a systematic approach for the investigation and utilization of signal characteristics digital devices use in security context. A methodology, built upon an optimal detector, matched filter, is proposed that allows reliable identification tracking wired Ethernet cards by their hardware signaling characteristics. The filter found to be sensitive enough differentiate between using only single frame; adaptive thresholding strategy employing prediction intervals used cope...

Abstract NOTE: The first page of text has been automatically extracted and included below in lieu an abstract Session 2132 Learning to Think Critically Solve Engineering Problems: Revisiting John Dewey’s ideas for evaluating the engineering education Mani Mina, Iraj Omidvar, Kathleen Knott Iowa State University 1. Introduction: 1.1 Our Goals: How Well we Teach Problem Solving Students In this paper would like take a critical look at process education. particular, because most programs aim,...

Within the field of computer and information security, there has been a relatively recent surge interest on multitude topics, ranging from secure programming practices, protocols algorithm design to cryptography ethics. However, this body research typically focuses implementation or theory security controls mechanisms at application, operating system, network, physical layers. The user layer, long recognized as weakest link in chain, had little no attention paid it by comparison, especially...

In this study we provide our methodology and implementation strategy of Sketchnoting in Freshman Engineering Technological Literacy classes. The objective is to improve students' learning, visualization, communication proficiencies, as well foster advancement knowledge retention, critical thinking. This provides the motivation, supporting research background, design, first set results new approach implemented engineering design curricula.

Airport agencies spend millions of dollars to remove ice and snow from airport pavement surfaces achieve accessible, safe, sustainable operations during the winter. Electrically conductive concrete (ECON) based heated system (HPS) has gained attention as a promising alternative technology for preventing accumulation by maintaining surface temperatures above freezing point. The objective this study was demonstrate world’s first full-scale ECON-based HPS at U.S. airport. Two ECON slabs were...

Today's engineers' needs are evolving rapidly as the information and technologies that compete for their attentions. At same time, our institutions systems stretched to limits keep up with changing demands of times. There is, especially, a need sustain reflective integration social technical knowledge into future generations engineering, make engineers more humane, in order them generate technological solutions human-centric. Addressing such requires new approaches teaching designing...

High-power giant pulses can be used applied in various applications with Q-switched micro-lasers. This method shorten the pulse duration; however, active control is currently impossible To achieve precise while maintaining compactness and simplicity, we exploit magneto-optical effect magnetic garnet films micromagnetic domains that actively controlled by a pulsed field. Our Q-switching technique enhances output power factor of 4 × 103. Moreover, device itself smaller than other devices....

Abstract A 10-mm cavity length magnetooptically Q-switched Nd:GdVO 4 laser was demonstrated using a single-crystalline ferrimagnetic rare-earth iron garnet film. To design the Q-switching system, magnetic, optical, and magnetooptical properties of film were measured. The diode pumped solid-state constructed 190-μm-thick with 58% transmittance. had maze-shaped magnetic domains, domain walls disappeared when field over 200 Oe applied. Therefore, polarization state transmitted light modified by...

Abstract Personas and journey maps are ubiquitous in many design disciplines. These tools allow designers to better understand key users engage with a user's experience over time product or system. While personas widely used disciplines, little scholarship exists on how they, collectively, might be successfully adapted different contexts, e.g., engineering instruction course development. Yet, these have the potential help educators students' experiences during learning activity, class...

Abstract Purpose To investigate the source of native low‐frequency fluctuations (LFF) in functional MRI (fMRI) signal. Materials and Methods Phase analysis was performed on tissue‐segmented fMRI data acquired at systematically varying sampling rates. Results LFF signal were both aliased origin. Scanner instability did not contribute to or LFF. Aliased arose from cardiorespiratory processes head motion. Native arise processes, but so, least part, Motion correction reduced LFF, eliminate them....

Transcranial magnetic stimulation (TMS) is a non-invasive, safe, effective, and food drug administration approved treatment for major depressive disorder. TMS relies on time-varying fields to induce an electric field in the brain, resulting depolarization or hyperpolarization of neurons. Recently, there has been extensive research improve coil design, effectiveness treatment, improvement computer modeling human brains, yet little development reported pulse generators design small animals....

This paper examines the use of reflections in engineering education. The provides a review practices education, especially during last century. It starts by reviewing research and pedagogical approaches utilization various reflective activities Then authors provide perspectives regarding activities. first part establishes case for featuring activity writers were pairing committed practitioner staunch disciple Dewey. An alternative commentary is given third author.

Abstract Defining Engineering and Technological LiteracyMany Americans lack even a rudimentary understanding of the principles underlying thetechnology essential for daily life. concepts are pervasive in decision making withinindustry, government, education, health care, yet most people complete formal educationwith little exposure to central ideas our technological society. Theterms engineering literacy have been used describe aspects thisunderstanding human-developed process products. This...

This study investigates the effects of type and configuration embedded electrodes on resistive heating performance an electrically conductive concrete (ECON) heated-pavement system (HPS). Three ECON slabs—an slab with perforated galvanized steel angle electrodes, rebar isolation layer—were designed constructed. The slabs was evaluated by measuring electric current surface temperature at specific points during application voltage. results revealed that marginally changed when layer used, so...

Achieving network transparency via the use of all-optical devices is vital for next generation DWDM networks to realize fundamental functions such as switching, routing and wavelength conversion. With abundance capacity created by Internet boom '90s, emphasis placed on both device performance cost. A 1 × integrated switch based polarization plane rotation light in Bi-substituted iron garnets reported here using a Mach-Zehnder interferometer achieve amplitude modulation suitable material...

This paper describes a novel approach to designing high-current magnetic field generator (HCMFG) with adjustable pulse width for transcranial stimulation applications. Challenges robust and practical design are introduced. A few of the main possible solutions versatile powerful pulses introduced discussed. Finally, future improvement in functionality HCMFG is proposed.

In this article, the magnetic pulse characteristics needed to achieve high-speed magneto-optic (MO) switching are investigated. A fiber-based, MO, low-voltage optical switch capable of 200 ns is presented, along with special circuit for field generation switching. The consists system, MO material (bismuth substituted iron garnet [(Bi1.1Tb1.9)(Fe4.25Ga0.75)O12]), and a driving circuit. Faraday rotator placed within interferometric loop fiber-optic Sagnac interferometer, interference at output...

An all-fiber interferometric switch based on Faraday rotation exhibited by magneto-optic materials in the presence of an external magnetic field is reported. The interferometer Mach-Zehnder type and related phase shift was obtained state polarization a linearly polarized optical signal. operation demonstrated experimentally. effect beam size achievable also investigated. Hysteresis avoided as required for switching much lower than saturation

In this paper, an optical switch utilizing a magneto-optic Faraday rotator (MOFR) capable of submicrosecond switching is presented. The circuit and supporting electronic circuitry are High speeds accomplished through the design creating high-speed magnetic pulses. Rise times 75 ns 40-Oe fields achieved for control. Experimental results electrical Circuit practical considerations discussed.