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» The Control of Synchronous Systems
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DC
2007
15 years 4 months ago
The overhead of consensus failure recovery
Abstract Many reliable distributed systems are consensusbased and typically operate under two modes: a fast normal mode in failure-free synchronous periods, and a slower recovery m...
Partha Dutta, Rachid Guerraoui, Idit Keidar
ICDE
2005
IEEE
143views Database» more  ICDE 2005»
16 years 5 months ago
Postgres-R(SI): Combining Replica Control with Concurrency Control based on Snapshot Isolation
Replicating data over a cluster of workstations is a powerful tool to increase performance, and provide faulttolerance for demanding database applications. The big challenge in su...
Shuqing Wu, Bettina Kemme
CDC
2009
IEEE
142views Control Systems» more  CDC 2009»
15 years 8 months ago
Towards STEM control: Modeling framework and development of a sensor for defocus control
— Scanning transmission electron microscopes are indispensable tools for material science research, since they can reveal the internal structure of a wide range of specimens. Thu...
Arturo Tejada, Wouter Van den Broek, Saartje W. va...
AUTOMATICA
2005
92views more  AUTOMATICA 2005»
15 years 4 months ago
Resolving actuator redundancy - optimal control vs. control allocation
This paper considers actuator redundancy management for a class of overactuated nonlinear systems. Two tools for distributing the control effort among a redundant set of actuators...
Ola Härkegård, Torkel Glad