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1 INTRODUCTION Given the present burdens associated with inspection

Given the present burdens associated with inspection
and maintenance of Civil Infrastructure Systems
(CIS), the development of effective, automated dam-
age diagnosis techniques, including the sensor tech-
nologies that support them, has become a major re-
search need. Most research in these areas of
"intelligent" structural assessment and evaluation re-
tain the traditional architecture of a centralized data
acquisition hub wired to tens or even hundreds of
sensors, posing significant installation and mainte-
nance costs. As such, researchers at various institu-
tions have taken advantage of ever-evolving wireless
communications technologies to propose untethered
systems for CIS, some of which are summarized in
Spencer (2003). Even in this wireless format, many
of these applications emulate the hub-spoke architec-
ture of traditional wired systems and thus serve
merely as an exercise in wireless communications
and should be distinguished from wireless embedded


Source: Antsaklis, Panos - Department of Electrical Engineering, University of Notre Dame


Collections: Engineering