Abstract
In an effort to support the development of flexible space Automation and Robotics (A&R) systems, the European Space Agency ESA has begun to establish an A&R Control Development Methodology (CDM). The CDM encompasses guidelines for the design of control systems to accomplish inter-project unification (for the parallel development of systems with common functionality) and intra-project traceability (to account for evolving requirements and technological capabilities for a given A&R system). The CDM calls for a phased analysis and development approach to progress from user requirements to hardware and software implementations. A main focus is on a systematic structure of the requirements in order to clearly separate functional, application, operational, and implementational influences. Prime constituents are a solution independent Activity Analysis framework, a Functional Reference Model as the generic logical model of A&R control system architectures, a scheme to capture the function allocation decisions for given operational modes, and guidelines for deliverables and reviews throughout the different phases. Work along the CDM can be very well supported by existing computer-aided software engineering (CASE) tools.
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