applications in embedded control design providing both enhanced designrevision capability and component count saving for lesser board space and energy use.The technology behind PSoC includes three main components: the core, configurable analog anddigital blocks and the programmable routing and interconnect as shown in Figure 1. The core is abuilt-in microcontroller unit with flash memory and SRAM link to resources including internaland external crystal oscillator for clocking and sleep and watchdog timers. It also has MAC forfast multipliers and decimators for digital signal processing applications. For applications thatuse full speed USB interface, it has I2C functionality for implementing I2C slave or master. Thesecond component which includes the
passed through the emission filter. The pinhole in the imageplane blocks any fluorescence light not originating from the focal region. Afterwards, thelight is focused onto the detector, preferably a photomultiplier with single photonsensitivity. Future plan is to incorporate this research experience into our SummerUndergraduate Research Training Program (SURTP) for our students.IntroductionSpectroscopy (1) is originally the study of the interaction between radiation and matter asa function of wavelength. In fact, historically, spectroscopy referred to the use of visiblelight dispersed according to its wavelength. Later the concept was expanded greatly tocomprise any measurement of a quantity as function of either wavelength or
the fourth section. Conclusion and future works is presented finally.Sensor Network TestbedOur sensor network consists of 17 MICAz motes manufactured by Crossbow Technology7.While the sixteen motes make up the sensor network, one mote is configured as a base station/gateway to receive data sent from the sixteen motes. We now briefly review the hardware andsoftware structure of these motes.HardwareThe MICA platform is based on a single central microcontroller that performs all the sensing,communication, and computation tasks. These motes use the ATmega 128L processormanufactured by Atmel8 as shown in figure 1. The RF module is composed of an RFMonolothics 916.50 MHz transceiver (TR1000). It can be externally controlled by a potentio-meter to
campus serving under-represented student population. Within a month, wereceived a diverse set of applications from which eleven students were selected. Figure 1 showsthe distribution of gender and demographics of the applicants (left column) and participants(right column). Page 14.799.2 1 Figure 1 Demographic Distribution of Students Applicants and Participants.In order to accommodate eight students from outside of the Houston area, we contacted thehousing program at the University of Houston (UH) and arranged a 10-week stay for students inthe
, 2007 & 2008).Four Features of Learning:Scholars have identified four features that clearly separate a problem-based curriculumfrom a traditional, topic-based curriculum (Narayanan, 2007 & 2008). Page 14.255.2[http://www.cmu.edu/teaching/principles/learning.html] 1. Learning must be cumulative: The subject matter is not learned by the student in great depth at one long stretch. On the contrary, the topics are introduced gradually and repeatedly. Furthermore, the level of complexity of subject matter should increase with the progression of time. 2. Learning must be integrated: The subject matter is must not
: Page 14.173.3 Figure 1: Cyclic Resistance Curve (after Mulilis, Chan and Seed1)1. Several cyclic triaxial tests are performed at different cyclic stress ratios (CSRs). The cyclic stress ratio is the ratio of the applied shearing stress to the effective confining stress. In a cyclic triaxial test, the applied shearing stress is one-half of the applied deviator stress. Therefore the cyclic stress ratio is simply the ratio of the applied deviator stress to twice the initial effective confining stress.2. The CSR applied in each test is then plotted against the number of cycles of deviator stress required to cause liquefaction in that test. This process is repeated for several cyclic stress ratios and a cyclic resistance
evidence iscollecting it in a way that does not alter it. Computer forensics involves the preservation,identification, extraction, and documentation of digital evidence in the form of magnetically,optically, or electronically stored media (J.P. Craiger 2005). Therefore, law enforcement agentsnowadays face a new challenge; they must be familiar with the proper procedures of seizing andsecuring digital evidence.1. Computer ForensicsComputer forensics may be defined as the retrieval and analysis of data from a seized computeror any other electronic media performed in such a manner that the results are reproducible byanother examiner who, by following the same steps, reaches the same conclusions. Computerforensics has also been described as an
acarbon monoxide gas sensor. The TGS 5042 is also a carbon monoxide gas sensor.TGS 4161The TGS 4161 is a solid electrolyte CO2 sensor. The TGS 4161 has a range of carbon dioxidedetection of 350~10,000ppm. The CO2 sensitive element consists of a solid electrolyte formedbetween two electrodes, together with a printed heater (RuO2) substrate. By monitoring thechange in electromotive force (EMF) generated between the two electrodes, it is possible tomeasure CO2 gas concentration.2 Figure 1 shows a photograph and cutaway diagram of the TGS4161 sensor.The TGS 4161 was powered from the LabJack data acquisition unit that also measured its outputvoltage after being amplified by a gain of three to help improve resolution.2 Figure 2 shows thesensor and
classroom USBproject is also explored in this paper. 1. IntroductionUniversal Serial Bus (USB) is an input/output port standard for computers and digital equipmentthat allows easy transfer of data at high speeds via a direct connection or cable. A USBconnection is always between a host or hub at the "A" connector end, and a device or hub'supstream port at the other end. Typically, personal computer implements the USB host controllerand has built-in hub to provide multiple USB ports. In embedded applications, a micro-controllerunit (MCU) with built-in host controller or a discrete USB host controller module is used toprovide connectivity for USB devices. In the application design presented in this paper VinculumHost Controller is used along with a
equipment on the grant for LG beamshave made this feasibility study a successful venture that leads to future possibilities worthpursuing. An educational outcome of this project has been undergraduate student research8and contribution to a DOE/NYNBIT summer camp organized by SUNY Institute ofTechnology on the foundations of nanotechnology for selected high school seniors andteachers10.IntroductionLimits of shrinking devicesThe serious limitations experienced in the miniaturization of devices with the current-switchparadigm of turning the current “on” and “off” giving binary digits 0 and 1 include theinability to turn the current on and off cleanly, needing longer time to charge the interconnectlines between devices, presence of large statistical
Engineering curriculum as it teaches thestudent how to select appropriate devices for electronically measuring the biomedicalphenomena. At the University of Wisconsin-Madison, two courses in bioinstrumentation areoffered on an annual basis. BME 310, Introduction to Biomedical Instrumentation is a required, Page 14.734.3core course in the undergraduate Biomedical Engineering program geared towards sophomorestudents, while BME/ECE 462, Medical Instrumentation is an advanced course intended forseniors and first-year graduate students 1-2. BME 310 is offered to around 40 students eachspring, while BME/ECE 462 is offered to around 20 students each fall
14.77.3health and safety. Applications are limitless!On a global level, the NSF has been calling this “grand convergence,” cyberinfrastructure. Onemay find many references to this concept, forecasts of potential future applications, reports on in-progress test projects such as HPWREN, NIMS, and ROADnet, and potential research fundingopportunities on the NSF’s Web site[1] . However, most of this current, enthusiastic attention andpromotion of cyberinfrastructure by the NSF is aimed at senior, graduate-level researchinstitutions. Not surprisingly, most of the NSF’s recent Requests for Proposals (RFPs) in thisarea have been targeted at basic research about wireless sensor networks and systems andapplications of these systems to infrastructure and
CapabilitiesIntroductionPolytechnic University of Puerto Rico (PUPR) Plasma Engineering Laboratory (Figure 1)features a plasma machine built to study RF and microwave heating of steady-state plasmas.The Plasma Laboratory also features an interdisciplinary undergraduate research programsponsored by NASA Puerto Rico Space Grant Consortium, to give engineering and sci-ence students a first experience on experimental research. This program receives studentsof all branches of the engineering and sciences. Hence, many of those students are totallyuntrained in using measurement equipment. To study the confinement, stabilization, pro-duction losses, macro and micro instabilities, and other plasma phenomena, it is necessaryto diagnose the plasma density (n), electron temperature (Te
Page 14.894.4numeric, string, Boolean, list, graph sub-palettes and etc. Function palette is used to buildblock diagram. Each option in the palette displays a subpalette of top-level icons. If thefunctions palette is not visible, you can open the palette by selecting Show FunctionsPalette from the windows menu. Functions palette may consist of structures, Boolean,numeric, string, file I/O, instrument drivers, select a VI, and etc11.Physical and Simulation ModelsThe physical model that is used in the summer undergraduate research project is themodel that is developed by PASCO Engineering in cooperation with Professor MattOhland at Clemson University. The model consists of: 1. Beam (1m long) with attachment screws for the force sensors. The
Tsunamis can be caused by meteors, underwater volcanoes, underwater landslides, andunderwater earthquakes [1]. Underwater earthquakes are the most frequent cause of tsunamis.During an underwater earthquake, a large amount of water is displaced and an enormous amountof energy is added by the motion of the tectonic plates. The energy must dissipate, so it travelsaway from the epicenter in all directions. In the deep ocean, the presence of a tsunami is notapparent. The sea level rises on the order of inches. As the tsunami approaches land, the depthof water decreases. This fact causes the massive amount of energy to push the water upward intoan enormous wall of water [1]. The speed of the tsunami decreases as it approaches land becausesome of the
protocol.Unlike wired network, where the signal interference is minimal, wireless network and morespecifically mesh networks are susceptible to a few external effects. Such as interference withother RF networks operating in same frequency band. Other limitations are: it can hold singlecommunication at a given time. This means that in a single radio ad hoc mesh network, the bestit can do is (½)n at each hop. So in a multi hop mesh network, the maximum available bandwidth(Bandwidth means rate of data transfer, throughput or bit rate, measured in bits per second)degrades at the rate of ½, ¼, ⅛. Thus by the time it makes four hops it degrades to 1/16 of the totalavailable bandwidth.2This WMN based data acquisition system we have developed, will provide
functionalities. Finally, students areasked to implement a design project using the provided tools.Table 1 lists the details of each class lecture as scheduled. Note that we introduced theexperiment in the middle of the semester, around the 6th week. As noted in the table, thefirst and second introductory lectures include a brief introduction to data acquisitionsystems and description of basic sensor technologies. In particular, we discuss theunderlying technologies in designing accelerometers and temperature sensors. Practicaltopics, such as analog-to-digital converters, sampling rate, and acquisition time were alsobriefly covered in these lectures. The third and forth lectures focused on introducing LabVIEW5 and its applications. Wecovered basic