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Structural health monitoring (SHM) involves the observation and analysis of a system over time using periodically sampled response measurements to monitor changes to the material and geometric properties of engineering structures such as bridges and buildings. In an operational environment, structures degrade with age and use.
In 2010 the name was changed to the present one in order to clarify that the scope of the committee had broadened and now also includes topics such as damage formation and growth in composite structures, structural health and loads monitoring, probabilistic modeling of structural integrity, corrosion control, etc. The acronym ICAF was maintained.
Another component of an "intelligent" aircraft structure is the ability to sense and diagnose potential threats to its structural integrity. This differs from conventional non-destructive testing (NDT) by the fact that Structural Health Monitoring (SHM) [7] uses sensors that are permanently bonded or embedded in the structure.
In 2016 Testia was recognized for the launch of several products and software, like its NDT tool for A350XWB composite, the Augmented Reality to Spirit AeroSystems [21] and its contribution to Airbus 'Hangar of the Future". [22] In 2017, Testia started business in Structural Health Monitoring [23] and was granted Customer Value Leadership award ...
In this way it is very similar to structural health monitoring, a term that is sometimes also used to describe operational loads monitoring. [3] Unlike Health and Usage Monitoring Systems, OLM programs are generally a short term project used to assess the remaining useful safe life of an airframe. This is especially important when an aircraft's ...
For example, in reinforced concrete structures, corrosion of their steel reinforcements is the main cause of their deterioration. In U.S. alone, repair and maintenance cost due to such corrosion is about $276 billion per year, [4] [3]. Recently, microwave imaging has shown great potential to be used for structural health monitoring.
Applications under investigation include lightning-strike protection, deicing, and structural health monitoring for aircraft. [2] MWNTs can be used as a flame-retardant additive to plastics due to changes in rheology by nanotube loading. Such additives can replace halogenated flame retardants, which face environmental restrictions. [2]
The Illinois Structural Health Monitoring Project was founded in 2002 when Professor Bill F. Spencer, director of the Smart Structures Technology Laboratory, and Professor Gul Agha, director of the Open Systems Laboratory, began a collaborative effort between the two laboratories at the University of Illinois at Urbana–Champaign.