The CEM is comprised of integrated detailed engineering and cost estimating relationships describing performance, design, and cost parameters.
It is different from most CEM efforts attempted in the past as it incorporates more detailed spacecraft and sensor payload models, and has been applied to determine the cost drivers for an advanced infrared satellite system acquisition. The automated interconnectivity between subsystem models using spreadsheet software allows for the quick and consistent assessment of the system design impacts and relative cost impacts due to requirement changes. The Space Based Infrared System (SBIRS) cost engineering model (CEM) described in this paper is an end-to-end process integrating engineering and cost expertise through commonly available spreadsheet software, allowing for concurrent design engineering and cost estimation to identify and balance system drives to reduce acquisition costs. Early decisions made during the concept exploration and development (CE&D) phase will drive the cost of a program more than any other phase of development thus, designers must be able to assess both the performance and cost impacts of their early choices. S.Ĭurrent architectural and design trade techniques often carry unaffordable alternatives late into the decision process. Cost-engineering modeling to support rapid concept development of an advanced infrared satellite systemīell, Kevin D.