NEC Develops Failure Sign Monitoring System for Large-scale Plan

NEC Develops Failure Sign Monitoring System for Large-scale Plants 
- Capitalizing on NEC's big data analysis technologies - 
Tokyo, Apr 8, 2013 - (JCN Newswire) -  NEC Corporation (NEC; TSE: 6701)
developed a "Failure Sign Monitoring System for Large-scale Plants"
that analyzes failure signs from large-scale facilities, such as factories and
electric power plants, in order to prevent equipment failures prior to an
NEC's is driving the adoption of these systems featuring the
company's independently developed big data analysis technologies that
automatically detect when sensors, for example, indicate that operations are
"different from normal" using internally developed invariant analysis
technologies*, which are used without specialized training or complicated
This new system analyzes information gathered from sensors distributed
throughout a facility using invariant analysis technologies. These technologies
automatically determine how a facility operates under normal conditions by
collecting and analyzing massive amounts of sensor data. This enables the
system to compare information under a wide range of conditions, which allows it
to quickly detect and understand when abnormal conditions or "failure
signs" arise, prior to an actual failure. 
As a result, plants can carry out preventative maintenance, thereby improving
overall safety and operational effectiveness. 
During its development, this system was successfully implemented in field
trials by the Chugoku Electric Power Co., Inc. at the Shimane Nuclear Power
Station. Initially, the system analyzed sensor information from August 2011
through November 2012, learning how to detect abnormalities based on past
examples of defects. 
In October 2012, the system was deployed on a test basis at the Shimane
Nuclear Power Station's technology training facility. During these tests,
the system successfully detected signs of a variety of artificial equipment
Going forward, NEC aims to continue driving the development of failure sign
monitoring systems that utilize invariant analysis technologies to help
maintain large-scale facilities throughout the world. 
* Invariant Analysis Technologies: These technologies automatically extract
and model universal relationships that represent the characteristics of a
system (invariant) based on massive quantities of sensor data, without relying
on domain knowledge of the plant system.  As a result, the technologies are
able to detect "silent failures" that do not match with the
system's model behavior. 
About NEC Corporation 
NEC Corporation (TSE: 6701) is a leader in the integration of IT and network
technologies that benefit businesses and people around the world. By providing
a combination of products and solutions that cross utilize the company's
experience and global resources, NEC's advanced technologies meet the
complex and ever-changing needs of its customers. NEC brings more than 100
years of expertise in technological innovation to empower people, businesses
and society. For more information, visit NEC at 
Takehiko Kato
NEC Corporation
Joseph Jasper
NEC Corporation
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