ITEM DEFINITION. For the purpose of this article, the word “item” is defined as any articles or sections when adjusted can reasonably be considered one complete transaction.
ITEM DEFINITION. The first fundamental step of the safety life-cycle is the identification and description of the Item under analysis, and to develop an adequate understanding of it. This is an essential step, since the subsequent phases of safety design flow are based on the item definition and the safety concept is derived from it. To have a satisfactory understanding of the Item, is essential to properly analyse the item itself in terms of input(s)/output(s), functionality, interfaces and, how the item interacts with the vehicle and/or with the environment. In the following diagram the Item’s element, together with the item interface elements have been collected. Moreover the boundary of the Item has been highlighted (yellow elements):
ITEM DEFINITION. All parameters required to define each unit, assembly, subassembly, part or material shall be presented on the applicable drawing. This includes data such as:
