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SUNMONTUEWEDTHUFRISAT
Events for January 24, 2006
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Mt. San Antonio College Transfer Visit
Tue, Jan 24, 2006 @ 10:00 AM - 01:00 PM
Viterbi School of Engineering Undergraduate Admission
Workshops & Infosessions
Danielle Neves-Cole, Assistant Director of Transfer Admission, will be available to answer any of your questions about transferring into engineering at USC. You do not need an appointment -- she will be available on a walk-in basis.
Location: Mt. SAC Transfer Center
Audiences: Prospective engineering transfer students
Contact: Undergraduate Admission
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Irvine Valley College Transfer Visit
Tue, Jan 24, 2006 @ 11:00 AM - 02:00 PM
Viterbi School of Engineering Undergraduate Admission
Workshops & Infosessions
Julie Samere, Transfer Admission Coordinator, will be available to answer any of your questions about transferring into engineering at USC. You do not need an appointment -- she will be available on a walk-in basis.
Location: IVC Student Services Quad
Audiences: Prospective engineering transfer students
Contact: Undergraduate Admission
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Graduate Seminar
Tue, Jan 24, 2006 @ 12:00 PM
Mork Family Department of Chemical Engineering and Materials Science
Conferences, Lectures, & Seminars
Graduate Seminar"Subspace Identification Using the Parity Space"Jin Wang, Ph.D., P.E.
Advanced Micro Devices, IncABSTRACT Subspace identification methods (SIMs) have been one of the main streams of research in system identification. Compared to the prediction error methods (PEMs), SIMs have a better numerical reliability and a modest computational complexity, particularly when the number of outputs and states is large. However, most of the SIMs, like other more traditional PEMs, consider output errors only and assume the input variables are noise-free. Therefore, under the errors-in-variables (EIV) situation, most of the existing SIMs gives biased estimates. Besides, due to the correlation between the input and the unmeasured disturbance under feedback control, many subspace algorithms do not work on closed-loop data, even though the data satisfy identifiability conditions for prediction error methods.
In this talk, I will present a new subspace identification method using the parity space employed in fault detection in the past. The basic algorithm, known as subspace identification method via principal component analysis (SIMPCA), gives consistent estimation of the deterministic part and stochastic part of the system, for both closed-loop and errors-in-variables situation. Two modifications, SIMPCA with column weighting and SIMPCA with modified instrumental variables, are developed to further improve the efficiency/accuracy of SIMPCA. Simulation examples are given to illustrate the performance of the proposed algorithms.Tuesday, January 24, 2006
Seminar at 12:00 p.m.
SGM 101
The Scientific Community is Cordially InvitedLocation: Seeley G. Mudd Building (SGM) - 101
Audiences: Everyone Is Invited
Contact: Petra Pearce
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Coupled Flow and Transport in Saturated Porous Media: Emphasis on Filtration Process and Application
Tue, Jan 24, 2006 @ 12:00 PM - 12:50 PM
Sonny Astani Department of Civil and Environmental Engineering
Conferences, Lectures, & Seminars
Speaker:Olivier ChupinLocation: Kaprielian Hall (KAP) - 203
Audiences: Everyone Is Invited
Contact: Evangeline Reyes
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EE-S DISTINGUISHED LECTURER SERIES
Tue, Jan 24, 2006 @ 02:00 PM - 03:00 PM
Ming Hsieh Department of Electrical and Computer Engineering
Conferences, Lectures, & Seminars
"Message Ferrying and Other Short Stories: Mobility-Assisted Data Delivery in Wireless Networks"Prof. Mostafa AmmarCollege of ComputingGeorgia Institute of TechnologyGerontology Auditorium (GER-124)Tuesday, January 24, 20062:00-3:00p.m.[A reception will follow at 3:00p.mAbstract:Mobile ad hoc networks form a vital component in realizing the vision of rapidly deployed communications capability in environments with little or no pre-installed infrastructure. Such environments arise in critical situations ranging from battlefield scenarios to natural and human-made disaster events. Most ad hoc network routing and data forwarding algorithms are designed for networks that are always connected. Node mobility, limited radio range, physical obstacles, severe weather, wide deployment area or other physical factors, might preclude some nodes from communicating with others and result in a partitioned network. In this talk, I will summarize our work which is concerned with the development of a "Message Ferrying" (MF) scheme, inspired by its real life analog, that implements a non-traditional "store, carry and forward" routing paradigm using node mobility to overcome network partitioning. In the MF scheme, a set of mobile nodes called message ferries takes responsibility for carrying messages between disconnected nodes. In this talk I will summarize our research efforts in the design and evaluation of efficient data delivery services using message ferrying techniques. These include: 1) design of ferry routing schemes for single and multiple interacting ferries, 2) protocols that make use of proactive node and ferry mobility, and 3) use of message ferries to save energy. I will then place our message ferrying work in the larger context by describing a novel taxonomy for mobile wireless networks, which admits various ranges of disconnection and mobility.Bio:Mostafa Ammar is a Regents' Professor with the College of Computing at Georgia Tech. He has been with Georgia Tech since 1985. He received the S.B. and S.M. degrees from the Massachusetts Institute of Technology in 1978 and 1980, respectively and the Ph.D. in Electrical Engineering from the University of Waterloo, Ontario, Canada in 1985. Dr. Ammar's research interests are in network architectures, protocols and services. He has contributions in the areas of multicast communication and services, multimedia streaming, content distribution networks, network simulation and most recently in disruption-tolerant networks. He was the co-recipient of the Best Paper Awards at the 7th WWW conference for the paper on the "Interactive Multimedia Jukebox" and the 2002 Parallel and Distributed Simulation (PADS) conference for the paper on "Updateable Network Simulation". He served as the Editor-in-Chief of the IEEE/ACM Transactions on Networking from 1999 to 2003. Dr. Ammar is a Fellow of the IEEE and a Fellow of the ACM.Host: Prof. Ahmed Helmy, x11329
Location: Ethel Percy Andrus Gerontology Center (GER) - ontology Auditorium
Audiences: Everyone Is Invited
Contact: Rosine Sarafian
