Today's Agenda Object-Process Methodology The Object-Process Methodology(OPM)is an integrated approach to the study and development of systems in ■System Architecture general. OPM unifies the system's structure and behavior .Form,Concept,Functions throughout the analysis,design and implementation of the Object-Process Modelling(OPM) system within one frame of reference using a single diagramming tool- ■Case:OnStar System the Object-Process Diagram (OPD)and a corresponding,English-like language- the Object-Process Language (OPL). System Engineering by Gao CLCO 国 17 System Engineering by J.J.Gao ③ctco 18 Object-Process Methodology Object-Process Methodology(OPM)Principles The basic premise of OPM is that objects and Objects and processes are the two types of processes are two types of equally important equally important things(entities)required to classes of things,that together faithfully describe describe a system in a single,unifying model. both the structure and the behavior of systems in a single model in virtually any domain. Processes transform objects by changing their At any point in time,each object is at some state, state.Transformation includes creation and and object states are transformed through the elimination. occurrence of a process. Complexity is controlled through recursive and Scaling can be applied recursively and selectively selective scaling (zooming)of objects and/or to both objects and processes. processes to any desired level of detail. ③ctGe ③ctGe 国+ - 17 Today䇻s Agenda System Architecture Form, Concept, Functions Object-Process Modelling(OPM) Case: OnStar System System Engineering by J. J. Gao + - System Engineering by J. J. Gao 18 Object-Process Methodology The Object-Process Methodology (OPM) is an integrated approach to the study and development of systems in general. OPM unifies the system’s structure and behavior throughout the analysis, design and implementation of the system within one frame of reference using a single diagramming tool – the Object-Process Diagram (OPD) and a corresponding, English-like language – the Object-Process Language (OPL). + - The basic premise of OPM is that objects and processes are two types of equally important classes of things, that together faithfully describe both the structure and the behavior of systems in a single model in virtually any domain. At any point in time, each object is at some state, and object states are transformed through the occurrence of a process. Complexity is controlled through recursive and selective scaling (zooming) of objects and/or processes to any desired level of detail. Object-Process Methodology + - Object-Process Methodology (OPM) Principles Objects and processes are the two types of equally important things (entities) required to describe a system in a single, unifying model. Processes transform objects by changing their state. Transformation includes creation and elimination. Scaling can be applied recursively and selectively to both objects and processes.