Abstract
Price development of naval ships has forced the industry to search for smarter solutions. Until recently this was not possible because the rule based approach demanded the use of maritime Eletromagnetic Compatibility Standards (EMC) that focused on equipment level. With the new Lloyd’s Naval Register EMC Rules (Register, 2016), a modern risk-based approach can be followed. This enables the use of commercial Off-the-Shelf (COTS) equipment, which is more cost-effective than dedicated maritime equipment, by using the ship’s structure and the installation as protection. This paper explains how these new Lloyd’s Naval EMC rules can be applied for modern naval shipbuilding.
Highlights
Several factors contribute to this rapid increase in procurement costs of ships, but according to (Neradka, et al, 2010), 3 of them out of the top 10 of cost-drivers are Eletromagnetic Compatibility Standards (EMC) related standards being:
On board ships there is a range of sources generating high levels of ElectroMagnetic (EM) emission, such as radio transmitters and radar systems, for which the emissions are integral to their function
As a result of this reversal, military grade equipment today is often outdated, expensive and difficult to obtain. These commercial Off-the-Shelf (COTS) products are not designed for naval applications, and could cause problems, producing higher levels of unintentional EM-emissions and may not have the immunity required by naval EMC standards
Summary
On board ships there is a range of sources generating high levels of ElectroMagnetic (EM) emission, such as radio transmitters and radar systems, for which the emissions are integral to their function. The high-tech defence and space industry has developed products suitable for naval ships and meeting these emission and immunity levels. These COTS products are not designed for naval applications, and could cause problems, producing higher levels of unintentional EM-emissions and may not have the immunity required by naval EMC standards.
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