The White House has identified cyber-physical system research and development as a "national priority" that could boost U.S. productivity. But federal spending is telling a different story.
One of the government's strongest roles in economic development is funding basic research. This is research that can takes years, and is so risky few private companies will fund it.
A major source of research dollars is the National Science Foundation (NSF). It will fund more than $40 million in cyber-physical systems research in the 2014 fiscal year, which ended Tuesday. This amounts to about 0.5% of the approximately $7 billion the U.S. spends on basic research through this agency. It has spent, in total, $200 million in this area since 2009, including $35 million in 2013.
Separately, the National Institute of Standards and Technology (NIST), which is deeply involved in standards and data formats, is running its cyber-physical program on $4.3 million. It is seeking a $7.5 million increase in the 2015 fiscal year budget.
What is the right amount of government spending?
Cyber-physical systems is an all-encompassing term that includes the Internet of Things. An IoT device is a sensor and wireless radio connected to a broader network. A cyber-physical system goes further and seeks to take action to resolve a problem, and could involve robotics. These systems will find a role in every aspect of life, including transportation, manufacturing, health care, intelligent buildings and health. The automation, sensing, communication and actuation or action capabilities are expected to deliver enormous cost savings.
John Stankovic, a computer science professor at the University of Virginia, co-authored a Computing Community Consortium paper in 2008 that argued the NSF should spend $75 million a year on "new systems science and engineering foundations" related to cyber-physical systems -- in other words, almost twice the level of this year's NSF budget.
In total, the consortium's paper argued for an investment of $375 million a year across all federal agencies, including $100 million annually by the Defense Dept. It said private investment could bring that $500 million.
That paper's call to action isn't far from what the European Union is now spending. A NIST report last year found that the European Union "is already investing $343 million per year for 10 years to pursue 'world leadership' through advanced strategic research and technology development related to CPS" (cyber-physical systems). That includes $199 million in public funds and $144 million in private funds.
The pace of federal research spending, overall, has raised broader concerns. President Barack Obama sought a 1.2% increase for 2015 in federal R&D to about $135.3 billion overall. These incremental increases, assuming Congress approves, will keep China on track to surpass the U.S.in government-funded basic research as early as 2022.
A major funder of advanced research on cyber-physical systems is the Defense Dept., which doesn't disclose all of its spending. But a recent defense project solicitation, "Capabilities for Cyber Resiliency," wants to improve the ability of systems, whether software or hardware, to "withstand, minimize, survive and recover" from the negative effects of adversity, whether man-made or natural. This project has a budget of $49 million, but that money is spread through 2019.
It's difficult to tally the overall total spending in this area by the government, because various agencies, including the Dept. of Transportation, Dept. of Energy and NASA, will fund their own cyber-physical efforts.
Stankovic does not know what the government is spending on cyber-physical systems today, but "anecdotally, I would say they are not spending enough."
NIST may have a relatively small budget for these systems, but it has assembled a working group of about 200 people to investigate how systems will interconnect and the need for standards and formats.
The only way to create interconnected systems "is by working towards interoperability," said Chris Greer, director of NIST's Cyber Physical Systems and Smart Grid Program Office, at an agency conference Tuesday.
But that interoperability is not present in some fundamental areas, such as weather and time, said Greer. Data formats used for weather data in the electric grid sector are not the same as those used in climate and weather. "We've got to get those to coverage -- we can't even talk about weather in the same language," he said. The same problem exists in time formats in different applications, he said.
Stankovic believes investment in cyber-physical systems is critical. If the U.S. doesn't have the expertise, other nations "are going to be in the lead for these new kinds of technologies and products."
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