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Events for October 27, 2017

  • Meet USC: Admission Presentation, Campus Tour, and Engineering Talk

    Fri, Oct 27, 2017 @ 11:00 AM - 12:00 PM

    Viterbi School of Engineering Undergraduate Admission

    Receptions & Special Events


    This half day program is designed for prospective freshmen and family members. Meet USC includes an information session on the University and the Admission process, a student led walking tour of campus, and a meeting with us in the Viterbi School. During the engineering session we will discuss the curriculum, research opportunities, hands-on projects, entrepreneurial support programs, and other aspects of the engineering school. Meet USC is designed to answer all of your questions about USC, the application process, and financial aid.

    Reservations are required for Meet USC. This program occurs twice, once at 8:30 a.m. and again at 12:30 p.m.

    Please make sure to check availability and register online for the session you wish to attend. Also, remember to list an Engineering major as your "intended major" on the webform!

    RSVP

    Location: Ronald Tutor Campus Center (TCC) - USC Admission Office

    Audiences: Prospective Freshmen & Family Members

    Posted By: Viterbi Admission

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  • Towards Fully Flexible Energy Autonomous Industrial Wireless Sensor Networks

    Fri, Oct 27, 2017 @ 11:00 AM - 12:00 PM

    Ming Hsieh Department of Electrical and Computer Engineering

    Conferences, Lectures, & Seminars


    Speaker: Hans-Peter Bernhard, Johannes Kepler University Linz, Austria Institute for Communications Engineering and RF-Systems

    Talk Title: Towards Fully Flexible Energy Autonomous Industrial Wireless Sensor Networks

    Abstract: Wireless communication links in industrial environments are gradually replacing wired solutions. This transition offers more flexibility and enables new technologies and applications to arise. However for industrial monitoring tasks, currently available wireless standards do not meet all requirements, and depending on the application, different standards have to be used. In this overview, results from the European research project Dependable Embedded Wireless Infrastructure (DEWI) are presented, which led to the development of a new highly flexible wireless protocol. The degree of flexibility of the protocol not only allows to meet various requirements in industrial monitoring, but also to cover communication needs of the entire operation cycle of sensor nodes. Additionally, to enable a maximum degree of freedom, it is designed to operate energy autonomously with a strictly limited power budget imposed by energy harvesting. Aside of all theses requirements, synchronized sampling is a very important topic in industrial measurement environments using hundreds of sensors. We show the use of a \alpha\epsilon-modulator to synchronize the nodes within a wireless sensor network. This is a new method to achieve long term synchronization, also during long offline periods, with least possible short term sampling jitter. Closely related to synchronization is clock frequency estimation. Without a highly accurate estimated clock, network synchronization won't work. But, in wireless systems or harsh environments, it is likely that clock events can be missed and, therefore, the observed process has to be treated as a sparse periodic process. To parameterize the clock, current research is applying periodogram estimators at a complexity of at least O(N log N). Here a highly accurate iterative frequency estimator for pulse signals with low computational complexity is shown. It is an unbiased estimator with a complexity of O(N). Furthermore, the mean square error (MSE) of this new efficient approach is proportional to O(N_3) and thus as accurate as periodogram or frequency domain based methods. The talk concludes with a short review and an outline of ongoing and future research in highly flexible wireless sensor networks.


    Biography: He received the Dipl.-Ing. (M.Sc.) degree in communication engineering and the Dr. techn. (Ph.D.) degree with distinction from Vienna Technical University in 1991 and 1997, respectively.

    From 1985 to 1992 he worked for different companies in the area of database and organizational programming. From 1992 to 1998 he was with the Institute for Communications and Radio Frequency Engineering at the Technical University Vienna as a research assistant and became in 1994 assistant professor at this institute. From 1997 on he started teaching at HTBLA-Steyr. In 1999 he joined the Institute for Communications Engineering and RF-Systems, Johannes Kepler University Linz, as a lecturer and he currently holds a senior researcher position at this institute. He was guest researcher with the Institute for Information Theory and Automation, Academy of Sciences Prague and with the University of Cambridge UK, Engineering Department, Inst. f. Vision Speech and Robotics. Starting in 2004 he served as consultant for several companies as there are Infineon, DICE (Danube Integrated Circuit Engineering GmbH & Co KG), and others. In 2007 he founded a scientific consulting company with focus on assisting handicapped persons and nonprofit health care organizations. He is holding patents in the field of computer science and computer assisting systems for handicapped persons. He has contributed to the following research projects "Nonlinear Methods in Speech processing", "Assisting Handicapped Persons in Computer Handling" and he supervised the research project "Information Theoretic Methods for Load Curve Prediction" in collaboration with SIEMENS power grid department. From 2014 to 2017 he worked also with the European ARTEMIS project DEWI (Dependable Embedded Wireless Infrastructure) focussed on energy efficient sensing, signal processing and communication. Currently he is involved in the joint undertaking of Electronic Components and Systems for European Leadership (ECSEL) on Secure Connected Trustable Things (SCOTT) as a senior scientist. His research interests include algorithm design for wireless communications with a special focus on synchronization, security and energy efficient protocols.

    Hans-Peter Bernhard received the GIT-Award in 1991, in the year 2000 he was awarded with the innovation award of Upper Austrian government and he was Austrian representative at the Novartis International Science Week Switzerland with the best Austrian education project in health care. Hans-Peter Bernhard is an IEEE senior member and member of the signal processing society.


    Host: Urbashi Mitra, ubli@usc.edu, EEB 536, x04667

    Location: 248

    Audiences: Everyone Is Invited

    Posted By: Gerrielyn Ramos

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  • ASBME: Social 3: Tour of Terror

    Fri, Oct 27, 2017 @ 11:00 AM - 12:00 PM

    Viterbi School of Engineering Student Organizations

    Student Activity


    Join ASBME for our next social event as we explore Zombie Joe's Haunted Halloween theatrical attraction- a terrifying URBAN DEATH maze of inexplicable horrors, unfathomable monstrosities, and the disturbed spirits that walk among us (http://www.urbandeath.com/)! The event is Friday, October 27th and we will be leaving from Tommy Trojan at 8:30pm. Tickets are $15 and depending on how many drivers sign up we may have to split some uber fares. Sign-up quickly as spots are limited: http://bit.ly/2yy0l6r

    Audiences: Everyone Is Invited

    Posted By: Associated Students of Biomedical Engineering

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  • W.V.T. RUSCH ENGINEERING HONORS COLLOQUIU

    Fri, Oct 27, 2017 @ 01:00 PM - 02:00 PM

    USC Viterbi School of Engineering

    Conferences, Lectures, & Seminars


    Speaker: TBA, TBA

    Talk Title: TBA

    Location: Henry Salvatori Computer Science Center (SAL) - 101

    Audiences: Everyone Is Invited

    Posted By: Su Stevens

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  • Astani Civil and Environmental Engineering Ph.D. Seminar

    Fri, Oct 27, 2017 @ 03:00 PM - 04:00 PM

    Sonny Astani Department of Civil and Environmental Engineering

    Conferences, Lectures, & Seminars


    Speaker: Luis Montoya and Seyedpouyan Hosseinialiabad, Astani CEE Graduate Students

    Talk Title: Understanding Properties of Extreme Ocean Wave Runup and Analysis and Control of Signalized Arterial Networks

    Abstract: In recent history sneaker waves or king waves in Australia, also referred in this study as extreme infragravity EIG waves, have been responsible for killing many people throughout the world. Particularly so on the coast of Oregon, where more than 21 people have died since the year 1990 due to this phenomenon. These extreme runup events may also result in coastal flooding, beach erosion, damage to coastal structures and damage to marine vessels. In this study, the main objective is to better understand EIG waves and EIG wave runup during storms. It is revealed that the input spectrum frequency resolution plays an important role when studying IG waves and runup. Also, it is shown that there is an ideal frequency resolution which can make the modeling part more accurate and efficient by capturing most of the low frequency energy transfers during the nonlinear wave interactions. It is established that runup predictions from numerical simulations that use 10 frequencies in the input energy spectrum are not the same from those that use 100 frequencies because of nonlinearity. It is established that extreme runup is therefore affected by frequency resolution and convergence can be achieved using the fine resolution. For high energy wave conditions, with beaches that have IG-dominated runup, in order to get numerically convergent predictions of 0.0001-0.00005 Hz is needed. This is more than 100 times smaller than what is typically used in these Boussinesq coastal phase-resolving models.


    Talk Title: Analysis and Control of Signalized Arterial Networks

    In this study, we first focus on queue length analysis of urban traffic networks. We consider traffic flow dynamics for a network of signalized intersections, where the outflow from every link is constrained to be equal to a given capacity function if the queue length is positive, and equal to the minimum of cumulative inflow and capacity function otherwise. In spite of the resulting dynamics being discontinuous, recent work has proved existence and uniqueness of the resulting queue length trajectory if the inter-link travel times are strictly bounded away from zero. We provide an alternate framework to obtain queue length trajectories by direct simulation of delay differential equations, where link outflows are obtained from the provably unique solution to a linear program. Existence and uniqueness of the solution to the proposed model for traffic flow dynamics is established for piecewise constant external inflow and capacity functions. Additionally, if the external inflow and capacity functions are periodic and satisfy a stability condition, then there exists a globally attractive periodic orbit. We provide an iterative procedure to compute this periodic orbit. A periodic trajectory is iteratively updated for every link based on updates to a specific time instant when its queue length transitions from being zero to being positive. The resulting iterates are shown to converge uniformly monotonically to the desired periodic orbit. Illustrative simulation results are presented. In the second part of this study, we focus on control techniques for signalized arterial networks. We study the throughput of arterial network under specific type of adaptive controller, namely Proportionally Fair, and traditional Fixed-time controllers. This comparison is done both in terms of theoretical upper bounds and the empirical values calculated from microscopic traffic simulations.



    Location: Von Kleinsmid Center For International & Public Affairs (VKC) - 150

    Audiences: Everyone Is Invited

    Posted By: Evangeline Reyes

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