Principal and co-principal investigators of the Roseline project (clockwise from top left): UCLA's Mani Srivastava and Sudhakar Pamarti; UCSD's Rajesh Gupta; Carnegie Mellon's Ragunathan Rajkumar and Anthony Rowe; UC Santa Barbara's João Hespanha and Thomas Schmid from the University of Utah. Image: Doug Ramsey, UC San Diego.
Pittsburgh's Carnegie Mellon University, along with four other universities, are participating in a new National Science Foundation-funded project, to improve time synchronization in advanced computer systems.
The National Science Foundation has announced a five-year, $4 million award to tackle the challenge of synchronizing time in cyber-physical systems (CPS), which are systems that integrate sensing, computation, control and networking into physical objects and infrastructure.
Examples of cyber-physical systems include autonomous cars,
aircraft autopilot systems, tele-robotics devices and energy-efficient
buildings, among many others.
The grant brings together expertise from five universities
and establishes a center-scale research activity to improve the
accuracy, efficiency, robustness and security with which computers
maintain knowledge of time and synchronize it with other networked
devices in the emerging "Internet of Things."
Time has always been a critical issue in science and
technology. From pendulums to atomic clocks, the accurate measurement of
time has helped drive scientific discovery and engineering innovation
throughout history. For example, advances in distributed clock
synchronization technology enabled GPS satellites to precisely measure
distances. This, in turn, created new opportunities and even entirely
new industries, enabling the development of mobile navigation systems.
However, many other areas of clock technology are still ripe for
development.
Time synchronization presents a particular fundamental
challenge in emerging applications of CPS, which connect computers,
communication, sensors and actuator technologies to objects and play a
critical role in our physical and network infrastructure. Cyber-physical
systems depend on precise knowledge of time to infer location, control
communication and accurately coordinate activities. They are critical to
real-time situational awareness, security and control in a broad and
growing range of applications.
"The National Science Foundation has long supported
research to integrate cyber and physical systems and has supported the
experimentation and prototyping of these systems in a number of
different sectors—from transportation and energy to medical systems,"
said Farnam Jahanian, head of NSF's Directorate for Computer and
Information Science and Engineering. "As the 'Internet of Things'
becomes more pervasive in our lives, precise timing will be critical for
these systems to be more responsive, reliable and efficient."
The NSF award will support a project called Roseline, which seeks to develop new clocking technologies, synchronization protocols, operating system methods, as well as control and sensing algorithms. The project is led by engineering faculty from the University of California, Los Angeles (UCLA), and includes electrical engineering and computer science faculty from the University of California, San Diego; Carnegie Mellon University; the University of California, Santa Barbara and the University of Utah.
More - Link >>> http://www.rdmag.com/news/2014/06/new-effort-revolutionize-time-keeping-cyber-physical-systems?et_cid=3997816&et_rid=544605860&location=top
Sources: National Science Foundation, R & D Magazine.
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