시뮬레이션

This paper describes the experiences and technical challenges encountered by the Lanner group in building a Java based simulation engine to simulate BPMN diagrams. It highlights the difference between conventional discrete simulation tools and the requirements for the BPMN engine. In particular the need for implicit rather then explicit queuing, the complexities of the patterns of parallel token..

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This paper explains the latest project work being undertaken at the Ford Motor Company in the generation of simulation models from spreadsheet interfaces and in particular the latest advances in the automatic creation of virtual reality worlds based on these model layouts. The ease of creation is the key to the use of the third dimension but being able to visualise a facility more accurately ove..

Delivering performance, for any enterprise, is an ongoing challenge. If an enterprise can move from strategy to execution successfully, then driving performance becomes the core action guaranteeing success. Business Process Management (BPM) allows complete business processes to be modified, replicated and "tuned" more effectively than the classic development models that do not separate flow from..

Discrete-event simulation is one of the most popular modelling techniques. It has developed significantly since the inception of computer simulation in the 1950s, most of this in line with developments in computing. The progress of simulation from its early days is charted with a particular focus on recent history. Specific developments in the past 15 years include visual interactive modelling, ..

Business modelling and simulation from the Lanner Group have helped the South Yorkshire Passenger Transport Executive (SYPTE) to finalise its plans for the new Doncaster Interchange that will open in 2003. The models created using Lanner’s WITNESS program were used during the planning and design phases to test concepts and support negotiations with the local authority, transport operators, devel..

This paper presents a decision analysis technique on the results obtained from product development process model simulation. The design process involved in the industry is used as a sample application. The software used for simulation is called WITNESS. The simulation model uses the design structure matrix to capture the information flow between tasks where the tasks could be sequential, paralle..

This paper discusses the integration of value stream mapping (VSM) and discrete event simulation to further the continuous improvement goals of lean manufacturing.