ControlInformation Theory
Decentralized Control & Information
Revisiting Witsenhausen's Counterexample and beyond.
The Counterexample
Witsenhausen's counterexample has puzzled control theorists for decades. It shows that linear controllers are not always optimal for LQG problems with non-classical information structures.
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Vignesh Subramanian, Laura Brink, Nikunj Jain, Kailas Vodrahalli, Akhil Jalan, Nikhil Shinde, Anant Sahai
2018Allerton Conference on Communication, Control, and Computing
2015IEEE Transactions on Information Theory
2013IEEE Transactions on Automatic Control
Anytime Capacity
We also explored the concept of Anytime Capacity—a necessary condition for stabilizing unstable systems over noisy channels.
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2008IEEE Transactions on Information Theory
The necessity and sufficiency of anytime capacity for control over a noisy communication link: Part I: scalar systems
2006IEEE Transactions on Information Theory