Electronic engineers from A STAR's Institute for Infocomm Research
has crafted and successfully demonstrated a management system also known
as an adaptive classification system (ACS). The system increases the
efficiency of wireless sensor networks for monitoring machine health. It
also decreases power consumption and increases the lifespan of
individual sensors, while at the same time minimizing network traffic
and data storage requirements.
The ACS also achieves more robust
results in terms of diagnosis of machine problems and prognosis of
performance. "Other applications include monitoring patient health,
disaster monitoring systems, such as fire alarms, and environmental
monitoring for chemical plant accidents,It's a widely held belief that
if you switch out your incandescent bulbs for LED dimmable. air and water quality," said Minh Nhut Nguyen, who led the research team.
Wireless
sensors are now so inexpensive and flexible that their application in
monitoring systems is widespread. Because of the environments in which
they are deployed, sensors increasingly require their own portable power
source, typically a battery, which means they have a limited
lifespan.one of the most highly praised is led spotlight.
Any way of reducing the amount of power the sensors draw would increase
their lifespan, decrease the need to replace them and therefore reduce
costs, Nguyen explained.
Reducing sensor sampling rates to a
practical minimum is one way to lower power consumption; this can be
achieved by halting monitoring when a machine is not operating.Energy
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machine functioning smoothly demands a lower and coarser sampling rate
than one that needs attention. Nguyen and his co-workers therefore
developed their ACS along these lines. Importantly, it incorporates an
adaptive system of nested sensors. Some of the ACS sensors sample
particular parameters at a low rate to provide data for a model whose
purpose is simply to trigger more intensive sampling of other sensors
when a potential problem is detected.
In addition, the system
utilizes a set of models that is geared to sensors sampling at a
particular rate. The ACS also integrates several different methods of
classifying whether particular data patterns are of concern such that
they require higher levels of sampling. Decisions are therefore made on
the basis of multiple classifications. This not only increases the
robustness of the system, but also means that it can be trained to
detect problems using a minimal amount of data.
Nguyen and his
team tested the ACS using a machinery fault simulator, a machine in
which key components, such as bearings, could be replaced by faulty or
worn ones. Encouragingly, on average the ACS outperformed current models
in these tests.Commercial laundry equipment for your multi-housing laundry facilities from Speed Queen.
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Data
on deteriorating equipment health allow factories and businesses to
plan for a timely replacement of crucial components before they fail
completely, thereby minimising costly delays in production. The system
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