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Economic times slides
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Examples of MIS
Canadian railway system, which tests its equipment on a regular basis using a decision support system. A problem faced by any railroad is worn-out or defective rails, which can result in hundreds of derailments per year. Under a DSS, CN managed to decrease the incidence of derailments at the same time other companies were experiencing an increase.
CACIhas begun integrating simulation and decision support systems. CACI defines three levels of simulation model maturity. “Level 1” models are traditional desktop simulation models that are executed within the native software package. These often require a simulation expert to implement modifications, run scenarios, and analyze results. “Level 2” models embed the modeling engine in a web application that allows the decision maker to make process and parameter changes without the assistance of an analyst. “Level 3” models are also embedded in a web-based application but are tied to real-time operational data. The execution of “level 3” models can be triggered automatically based on this real-time data and the corresponding results can be displayed on the manager’s desktop showing the prevailing trends and predictive analytics given the current processes and state of the system. The advantage of this approach is that “level 1” models developed for the FDA projects can migrate to “level 2 and 3” models in support of decision support, production/operations management, process/work flow management, and predictive analytics. This approach involves developing and maintaining reusable models that allow decision makers to easily define and extract business level information (e.g., process metrics). “Level 1” models are decomposed into their business objects and stored in a database. All process information is stored in the database, including activity, resource, and costing data. The database becomes a template library that users can access to build, change, and modify their own unique process flows and then use simulation to study their performance in an iterative manner.
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