Support for specifying temporal behavior in Ada designs
Raymond J. A. Buhr, Gerald M. Karam, Ronald S. Casselman · 1991
MachineCharts is a visual design notation that has both structural and temporal semantics. An Abstract Controller Machine (ACM) is an element of the notation that encapsulates the temporal behavior defined by a requirements entity and expresses it through an event/action interface. This interface is used by the design components to implement the communications semantics between entities that were present in the requirements model. To support the ACM concept as part of design, it has been integrated into TimeBench, a design environment targeted to support Ada software design and development.