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Variability Keeps The Body In Balance

09-22-14

By combining heart rate data from real athletes with a branch of mathematics called control theory, John Doyle, Jean-Lou Chameau Professor of Control and Dynamical Systems, Electrical Engineering, and Bioengineering and colleagues have devised a way to better understand the relationship between reduced heart rate variability (HRV) and health.

"A familiar related problem is in driving," Doyle says. "To get to a destination despite varying weather and traffic conditions, any driver—even a robotic one—will change factors such as acceleration, braking, steering, and wipers. If these factors suddenly became frozen and unchangeable while the car was still moving, it would be a nearly certain predictor that a crash was imminent. Similarly, loss of heart rate variability predicts some kind of malfunction or 'crash,' often before there are any other indications," he says. [Caltech Release] [Read the Paper]

Tags: EE research highlights CMS John Doyle

Caltech Engineering Ranks High on U.S. News Best Grad Schools List

09-11-14

Caltech’s undergraduate and graduate engineering programs have been ranked fourth in the country by U.S. News & World Report. Engineering graduate programs ranked very well with second in aerospace / aeronautical / astronautical, third in mechanical, third in applied math, fourth in electrical / electronic / communications, sixth in materials, and eight in environmental / environmental health. [All 2015 Caltech Rankings]

Tags: APhMS EE GALCIT MCE CMS ESE Graduate school rankings

Programmed to Fold: RNA Origami

08-20-14

Paul Rothemund, Senior Research Associate in Bioengineering, Computer Science, and Computation and Neural Systems, and colleagues have fabricated complicated shapes from DNA's close chemical cousin, RNA. "RNA origami is still in its infancy," says Rothemund. "Nevertheless, I believe that RNA origami, because of their potential to be manufactured by cells, and because of the extra functionality possible with RNA, will have at least as big an impact as DNA origami." [Caltech Release]

Tags: EE research highlights health CMS Paul Rothemund

Coding Breakthrough Could Accelerate Mobile Network Speeds

06-02-14

Tracey C. Ho, Assistant Professor of Electrical Engineering and Computer Science, and colleagues’ research on stateless data transmission using Random Linear Network Coding (RLNC) promises higher network speeds with an elegant mathematical approach to data error correction and redundancy. They have shown that data could be transmitted without link layer flow control bogging down throughput with retransmission requests, and also the size of the transmission can be optimized for network efficiency and application latency constraints. [Networkworld Blog]

Tags: CMS Tracey Ho research highlight

Celebrating with Professor Carver Mead

05-02-14

Carver Mead, Gordon and Betty Moore Professor of Engineering and Applied Science, Emeritus, celebrated his 80th birthday on May 1, 2014. Professor Mead is best known for his pioneering work on VLSI (very-large-scale integration) circuit technology in the 1970s and 1980s, which made it possible to greatly increase the number of transistors placed on a single semiconductor chip. It is no exaggeration to say that the computer era we live in would not have been possible without VLSI technology. He remains as passionate today about science and engineering as he ever was. "There isn't really a time when you're too old to have new ideas," Mead says. [Caltech interview] [Share Your Memories] [ENGenious article]

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Engineering and Art

04-25-14

Students in Professor Hillary Mushkin’s new media arts seminar (E/H/Art 89 New Media Arts in the 20th and 21st Centuries) have put on a unique exhibition highlighting art and engineering. The course provides a platform for an expanded understanding of engineering and an active, project-based engagement with art history. [List of all projects]

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Professor Chandrasekaran Receives NSF CAREER Award

01-24-14

Venkat Chandrasekaran, Assistant Professor of Computing and Mathematical Sciences and Electrical Engineering, has been awarded the National Science Foundation's (NSF) Faculty Early Career Development (CAREER) Award for his 5-year project, “Computational and Statistical Tradeoffs in Massive Data Analysis”. The CAREER program is NSF's most prestigious awards for junior faculty members. The level and 5-year duration of the awards are designed to enable awardees to develop careers as outstanding teacher-scholars. Awardees are chosen because they exemplify the role of teacher-scholars through outstanding research, excellent education and the integration of education and research within the context of the mission of their organizations.

Tags: EE honors CMS NSF CAREER NSF Venkat Chandrasekaran

Brainlike Computers, Learning From Experience

01-06-14

A recent New York Times' Science article about a new computing approach based on the nervous system mentions Carver Mead, Gordon and Betty Moore Professor of Engineering and Applied Science, Emeritus. The new processors used in this approach consist of electronic components that can be connected by wires that mimic biological synapses. Because they are based on large groups of neuron-like elements, they are known as neuromorphic processors, a term credited to Carver Mead, who pioneered the concept in the late 1980s. [New York Times Article] [ENGenious Article about Carver Mead]

Tags: EE research highlights health CMS Carver Mead

Professor Chandrasekaran Receives Okawa Research Grant

12-12-13

Venkat Chandrasekaran, Assistant Professor of Computing and Mathematical Sciences and Electrical Engineering, is a recipient of a 2013 Okawa Foundation Research Grant for his research project entitled "Computational and Statistical Tradeoffs in Large-Scale Data Analysis". This grant honors outstanding young researchers working in the fields of information and telecommunications. [Past Recipients]

Tags: EE CMS Okawa Foundation Venkat Chandrasekaran

Professor Chandrasekaran Receives Young Researcher Prize

09-30-13

Venkat Chandrasekaran, Assistant Professor of Computing and Mathematical Sciences and Electrical Engineering, has won the Young Researcher Prize in Continuous Optimization at the Fourth Mathematical Optimization Society International Conference on Continuous Optimization (ICCOPT) for his paper entitled "Rank-sparsity incoherence  for matrix decomposition".

Tags: EE CMS Venkat Chandrasekaran