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» Controllability and observability of uncertain systems: A ro...
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ICAC
2007
IEEE
15 years 7 months ago
Server-Level Power Control
We present a technique that controls the peak power consumption of a high-density server by implementing a feedback controller that uses precise, system-level power measurement to ...
Charles Lefurgy, Xiaorui Wang, Malcolm Ware
SIGCOMM
2004
ACM
15 years 6 months ago
A comparison of overlay routing and multihoming route control
The limitations of BGP routing in the Internet are often blamed for poor end-to-end performance and prolonged connectivity interruptions. Recent work advocates using overlays to e...
Aditya Akella, Jeffrey Pang, Bruce M. Maggs, Srini...
IJRR
2006
123views more  IJRR 2006»
15 years 1 months ago
Hybrid Control of the Berkeley Lower Extremity Exoskeleton (BLEEX)
The first functional load-carrying and energetically autonomous exoskeleton was demonstrated at U.C. Berkeley, walking at the average speed of 0.9 m/s (2 mph) while carrying a 34 ...
Hami Kazerooni, Ryan Steger, Lihua Huang
CDC
2008
IEEE
140views Control Systems» more  CDC 2008»
15 years 7 months ago
Information state for Markov decision processes with network delays
We consider a networked control system, where each subsystem evolves as a Markov decision process (MDP). Each subsystem is coupled to its neighbors via communication links over wh...
Sachin Adlakha, Sanjay Lall, Andrea J. Goldsmith
SIAMCO
2000
75views more  SIAMCO 2000»
15 years 1 months ago
Feedback Stabilization and Lyapunov Functions
Given a locally defined, nondifferentiable but Lipschitz Lyapunov function, we construct a (discontinuous) feedback law which stabilizes the underlying system to any given toleran...
F. H. Clarke, Yu. S. Ledyaev, L. Rifford, R. J. St...