Engineering Graduate Students Association

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Grad/Staff/Faculty Forum

Let's find out what's happening in the world of School of Engineering research (and have some Free Lunch at the same time)!

Sponsored by a generous gift from National Semiconductor, these forums are open to all SOE graduate students, faculty, researchers, lecturers and staff. We hope you will join us to meet with each other, hear about our on-going and future research projects and share in refreshments. The speakers will give a broad overview of their research topic. There is plenty of time for question/answer and discussion.



May 18th, 2005 speaker was: Bruce R. Montague

Topic: "Elements of Operating System and Internet History: A BSD Perspective"

E2-280 at 1pm.

Abstract:

This talk is an introduction to how operating systems and networks came to be the way they are today. This is done primarily by examining elements in the technical history of the BSD family of operating systems, while also considering some developments in software licensing, government policy, open source software, and the origins of commercial operating systems and the Internet. While accessible to all, this talk should be of special interest to system programmers and system software researchers who are unfamiliar with the historical development of the field.

Biography of the Speaker:
Bruce R. Montague has worked with both research and commercial system software for over 30 years. He has worked on the design and implementation of a number of commercial operating systems, filesystems, networks, database technologies, and programming languages.
Bruce has been a civilian Air Force computer scientist, a member of the staff of the computer science department of the Naval Postgraduate School, and a senior engineer at Digital Research, Inc. He has been associated with a number of startup companies and contract projects and has implemented commercial filesystems widely used by IBM and Apple, worked on the implementation of a wireless router operating system for Nokia, and (at UCSC) wrote the first embedded operating system designed specifically to run Java. He has a Ph.D. in Computer Science from the University of California, Santa Cruz.



May 4th, 2005 speaker was:
Professor Roberto Manduchi, CE Dept., UCSC

Topic: "Computer Vision Applications for the Visually Impaired"

E2-215 at noon.

Abstract:

Living without vision is challenging. Simple tasks such as walking to places, reading signs, orienting oneself and finding objects may become overwhelming for a blind individual. Computer vision algorithms, originally designed for robot guidance, hold the promise to enable tools that can help visually impaired individuals in their daily life. In this talk I will present an overview of computer vision-based assistive technology approaches developed in recent year at UCSC and elsewhere.



March 10th, 2005 speaker was:
Professor Ram Akella, ISTM Dept., UCSC

Topic: "Research in Information Systems and Technology Management"

BE-330 at noon.

Abstract:

The objective of technology firms is not only to develop cool technologies, but to grow and be profitable while doing so. I will describe prior, ongoing, and developing research on the following topics in the context of high tech and automotive industries:
* New Product Development using Knowledge Management and Semantic Mining
* Data and semantic mining in the aerospace area (under development)
* Process Learning using statistics, queueing, and dynamic programming
* Stochastic dynamic programming in supply chain management
* Financial engineering in options contracts
* IT Services Management (under development)
I will also briefly touch upon developing opportunities in these areas at HP, IBM, Cisco, and NASA.



February 23rd, 2005 speaker was:
Professor Don Wiberg, EE Dept., UCSC

Topic: "Engineering and Adaptive Optics"

BE-330 at noon.

Abstract:

We give an overview of the work on adaptive optics (AO) at the Center for Adaptive Optics at UCSC, and its relationship to the Baskin School of Engineering. The first part will be some pretty pictures showing the need for AO, the design of AO, and the results of AO in large astronomical telescopes. The second part will be an informal conversation about further uses of AO in ophthalmology, defense, and communications.

Biography of the Speaker:

Don Wiberg is the Emeritus Professor at the Electrical Engineering Department, UCSC, and a research Professor at the Center for Adaptive Optics (CFAO).
He has supervised 19 Ph.D. and 47 Masters students in his 29 years tenure at UCLA (retired 1994). He has been the Vice-Chair of the UCLA EE Department, reviewer for 16 technical journals, and the associate reviewer for two technical journals.
Prof. Wiberg received his PhD. degree in Engineering from California Institute of Technology, Caltech, in 1965. He is an IEEE member with the grade of Fellow, Senior Fulbright Fellow, Denmark (1976-1977), and Norway (1983-1984). He is the author of two books, seven chapters in books and 70 published papers.


February 09th, 2005 speaker was:
Andrea Di Blas, CE Dept., UCSC

Topic: "UCSC Kestrel - SIMD Computers strike back"

BE-330 at noon.

Abstract:

After a loss of interest in SIMD architectures until a few years ago, big players in the computer architecture field are now looking with renewed interest at vector and SIMD accelerators. This talk will introduce the UCSC Kestrel SIMD parallel processor, its architecture and its performance. Entirely designed and built by Prof. Hughey's group at UCSC, this machine originally designed for computational biology has proven very effective in a number of different applications. This 10-year-old accellerator was so ahead of its time that it can still outperform state-of-the-art CPUs clocked 50 times faster and higher, on some problems. The group is currently finishing the design and test of the next-generation model, Kestrel2, that will be mentioned too.

Biography of the Speaker:

Andrea Di Blas received his M.S. and Ph.D. degrees in Electrical Engineering from Politecnico di Torino, Italy, in 1994 and 2000. He has been a researcher at University of California, Santa Cruz, since 1999, where he is also a lecturer with the Department of Computer Engineering. His research interests include parallel processing methodologies and applications, computer architecture, image processing, and combinatorial optimization. He is a member of the IEEE Computer Society.



January 26th, 2005 speaker was:
Professor Jim Whitehead, CS Dept., UCSC

Topic: "Mining Software Repositories with Kenyon"

E2-280 at noon.

Abstract:

Software evolution is the study of how software projects change over a multi-year project lifetime. The widescale adoption of software configuration management technology over the 1990's has resulted in multiple commercial and open-source systems with long-duration records of the fine-grain changes made to software files. The existence of this data raises the opportunity to mine software configuration management repository data for empirical data concerning software evolution. Multiple problems arise in analysing such data, including the reconstruction of checkin and merge operations, and how to extract and represent mined software facts. Kenyon is an infrastructure developed at UCSC for automating the extraction of facts over the revision history of software project. The talk presents an overview of issues in software evolution research, and the Kenyon repository.

Biography of the Speaker:

Jim Whitehead is an assistant professor in the Dept. of Computer Science at UCSC. His research interests include software evolution, software configuration management, remote collaborative authoring, and application layer protocol development.



December 10th, 2004 was an open forum .

Tired of finals ???
Lack of strength to write one more funding proposal ???
Are you saaaad with the piles of paperwork left on your desk ???

We have the cure for you!!! :)

Come and join us to celebrate the end of the year in this last forum of 2004! This time, we will have an open forum to meet other graduate students, faculty and staff of the School of Engineering. Come to share ideas about the school, research, or your favorite subject, while we have lunch together (= free food)!

This is a great opportunity to socialize with your peers (OK, we admit, we may not beat the excitements of fire alarm tests, but this forum is gonna be fun too !)

WHEN: Friday, December 10, 2004
TIME: 12-1:30PM
WHERE: E2-280



December 01st, 2004 speaker was:
Professor William Dunbar, CE Dept., UCSC

Topic:"Distributed Optimization-Based Control of Multiagent Systems"

Abstract:
Multiagent systems arise in several domains of engineering. Examples include arrays of sensor networks for aggregate imagery, autonomous highways, and formations of unmanned aerial vehicles. In these contexts, the individual subsystems are governed by decoupled dynamics and the control objective is achieved by cooperation. Cooperation refers to the agreement of the subsystems to 1) have a common objective with neighboring subsystems, with the objective typically decided off-line, and 2) share information on-line to realize the objective. To be viable, the control approach for these types of systems should be distributed, rather than centralized. This is particularly true when the scale of the overall system is large. Optimization-based techniques are suited to multiagent problems, in that such techniques can admit very general objectives. Receding horizon control is an optimization-based approach that is applicable when dynamics are present. Researchers have recently explored the use of receding horizon control to achieve multi-vehicle objectives. In most cases, the common objective is formulated, and the resulting control law implemented, in a centralized way. In this talk, a means of distributing the receding horizon control law is outlined. The resulting control law is provably asymptotically stabilizing, as well as scalable. The example of multi-vehicle formation stabilization will be used as a venue for the theory. The talk is concluded by previewing recent results demonstrating that the same distributed algorithm applies and is convergent when subsystems are dynamically coupled, as is the case in process control.

Biography of the Speaker:
Prof. William B. Dunbar earned a PhD in the Control and Dynamical Systems department at Caltech in April, 2004. His research interests include control problems in large-scale networked environments, consistent numerical methods in optimal control, and connections between control theory and communication theory. His dissertation gives a systematic and verifiable approach for distributing a centralized optimization-based control technique that has application in several domains of engineering, including process control and robotics.



November 17th, 2004 speaker was:
Professor Ravi Narasimhan, EE Dept., UCSC

Topic:"Survey of Research in Wireless Signal Processing and Networking Laboratory"

Abstract:
Driven by the need to communicate anytime and anywhere,the field of wireless communications has experienced tremendous growth in the past decade with the proliferation of mobile telephones and wireless-enabled portable devices. Large-scale deployments of packet-switched wireless local area networks (WLANs) and third-generation cellular systems are taking place at a rapid pace. Wireless networks are evolving from voice-centric services towards mobile multimedia services. Many new services such as video-on-demand, mobile workforce applications, voice over Internet Protocol and telemedicine depend on the higher throughputs and reliability of next-generation wireless networks. This talk presents a survey of advanced signal processing, communications and networking techniques for the realization of these new wireless applications.

Biography of the Speaker:
Ravi Narasimhan received the B.S. degree (with highest honors) in electrical engineering and the Certificate of Distinction from the University of California at Berkeley in 1995, and the M.S. and Ph.D. degrees in electrical engineering from Stanford University in 1996 and 2000, respectively. From 2000 to 2004, he was involved in research and development for next-generation wireless systems at Marvell Semiconductor, Inc., Sunnyvale, CA, most recently as Senior Engineering Design Manager in the Signal Processing Department. In July 2004, he joined the faculty in the Electrical Engineering Department at UCSC.
Dr. Narasimhan is a member of Phi Beta Kappa, Sigma Xi and Golden Key National Honor Society. He received the Warren Y. Dere Memorial Prize from University of California at Berkeley in 1995. He secured the first rank in the Ph.D. qualifying examination in electrical engineering at Stanford University. He also received the Best Student Paper Award for U.S. at the IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), held in Boston, MA, September 1998.His biography was selected for publication in "Who's Who in America" and "Who's Who in Science and Engineering". His research interests include MIMO systems, multicarrier modulation, wireless communication, signal processing, and cross-layer optimization.


Last update: February 11, 2005

Contact: cintia@soe.ucsc.edu