System engineering process-six key phases

System engineering ensures the delivery of the optimum system that best meets all requirements and provides the proper balance of performance, cost, schedule and risk. System engineering has now been applied to the transit industry, forming the backbone of the technical management of the Docklands System Prime Contract. There are six key phases. This paper describes how there is really no magic, just the disciplined application of process and tools to specify, document and manage the delivery ofa system