SAE AIR5428 : 2013

Modern air vehicles consist of many subsystems, traditionally managed as a federation of independent subsystems. Advances in control technologies, digital electronics and electro-mechanical hardware, provide potential opportunities to integrate subsystems for future aircraft. This document does not define any particular integration strategy. Its purpose is to provide information about traditional federated subsystems from the functional, control, resource, and hardware perspective. To be able to integrate subsystems, one must have a basic understanding of the subsystems, and this document provides an introduction or starting point for initiating the integration process.The focus is on the aircraft subsystems, which includes utility, flight and propulsion control (e.g., electric power, environmental control subsystem (ECS), fuel, etc.) The depth of the information intends to provide an introduction to the subsystems. Trade studies must be performed to maximize the potential benefits of integration. Although this document introduces technical issues, business arrangements must also be addressed.This document consists of six sections.Section 1 introduces the scope of this document.Section 2 introduces the references and acronyms of this document.Section 3 introduces the content of this documents appendix.Section 4 discusses the typical development approach and considerations for integrating the traditional subsystems.Section 5 briefly discusses the integration technology trend.Section 6 suggests an approach to design of integrated subsystems.

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