%T Real\-time and fault tolerance in distributed control software
%A Bojan Orlic, Jan F. Broenink
%E Jan F. Broenink, Gerald H. Hilderink
%B Communicating Process Architectures 2003
%X Closed loop control systems typically contain multitude of
spatially distributed sensors and actuators operated
simultaneously. So those systems are parallel and
distributed in their essence. But mapping this parallelism
onto the given distributed hardware architecture, brings in
some additional requirements: safe multithreading, optimal
process allocation, real\-time scheduling of bus and network
resources. Nowadays, fault tolerance methods and fast even
online reconfiguration are becoming increasingly important.
All those often conflicting requirements, make design and
implementation of real\-time distributed control systems an
extremely difficult task, that requires substantial
knowledge in several areas of control and computer science.
Although many design methods have been proposed so far, none
of them had succeeded to cover all important aspects of the
problem at hand.  Continuous increase of production in
embedded market, makes a simple and natural design
methodology for real\-time systems needed more then ever.
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