Systems Simulation: The Art and Science

Shannon, Robert E.; Johannes, James D.

doi:10.1109/tsmc.1976.4309432

Cited by 99 publications

(118 citation statements)

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“…For business processes, simulation has already been in use since the seventies (9). Before that, in the sixties, the simulation language SIMULA was developed which influenced the development of general purpose programming languages (10).…”

Section: Related Workmentioning

confidence: 99%

A process-oriented methodology for evaluating the impact of IT: A proposal and an application in healthcare

Mans

Reijers

Wismeijer

et al. 2013

Information Systems

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In order to improve business process often Information Technologies (IT) are introduced. However, business processes are known to be complex and distributed among multiple business entities. As a result, the impact of new IT on an entire business process is typically unknown as quantitative methods for evaluation are missing. Therefore, in this paper, we propose a process-oriented methodology for evaluating the impact of IT on a business process. In our method, process mining and discrete event simulation are key ingredients. Based on automatically stored data, process mining allows for obtaining detailed knowledge on a business process, e.g., it can be discovered how a business process is actually executed. Using discrete event simulation, a model can be build which accurately mimics the discovered process and which can subsequently be used for exploring and evaluating various redesign of the same process.

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Section: Related Workmentioning

confidence: 99%

A process-oriented methodology for evaluating the impact of IT: A proposal and an application in healthcare

Mans

Reijers

Wismeijer

et al. 2013

Information Systems

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show abstract

“… Conceptual model development -a conceptual model must be created before any specification documents are written or model development begins -this phase, also called model formulation, is defined by [Shannon 1975] as the "Reduction or abstraction of the real system to a logic flow diagram."  Specification development -specification development is the description of the conceptual model in words that are written for a non-simulation audience so that all individuals involved in the project understand how the model will be constructed.…”

Section: Project Team and Developer Qualificationsmentioning

confidence: 99%

Technical Guidance for the Specification and Development of Homeland Security Simulation Applications

McLean¹,

Jain²,

Lee³

et al. 2012

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Executive SummaryThis document provides general guidance designed to help the U.S. Department of Homeland Security (DHS) Program Managers and other executives inside and outside of DHS. It is intended to provide useful information that may help personnel better understand the technologies used to maintain and support homeland security modeling and simulation (M&S) applications. It is also intended to help the relevant professional community in developing better technical specifications for homeland security modeling and simulation (M&S) applications. Contractors outside of DHS typically develop homeland security M&S applications. Often the M&S applications that are developed today are difficult to extend for new purposes, to integrate with other software systems, or to be used by persons other than the original developer or development team. Slight changes to a model or scenario may require major changes to a system and significant cost to the sponsor.

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“…The muscle tension is accompanied by electrical signals (EMG) which can be detected by suitable electrodes on the skin surface. The electrical signal exhibits the characteristics of its primary source in that it represents a weighted sum of motor unit activations (Shannon, 1975). There is therefore a correspondence between the EMG and muscle force (Bigland and lippold, 1954).…”

Section: The Protective Garment Model (G-suit Model)mentioning

confidence: 99%

“…If such a signal is the input to a full wave rectifier, it has been shown (Davenport and Root, 1958) that the mean output is proportional to the standard deviation of the input. Furthermore, the standard deviation has been shown (Shannon, 1975) to be the appropriate measure of the EMG signal to use for control purposes. This reasoning leads to selection of the rectified, smoothed EMG signal for determining a straining protection value.…”

Section: The Protective Garment Model (G-suit Model)mentioning

confidence: 99%