Using subsystem linear regression metamodels in stochastic simulation |
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Authors: | Pedro M Reis dos Santos M Isabel Reis dos Santos |
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Institution: | 1. Department of Computer Science and Engineering, INESC-ID, Technical University of Lisbon (IST), Av. Rovisco Pais, 1, 1049-001 Lisbon, Portugal;2. Department of Mathematics, Centre for Management Studies, Technical University of Lisbon (IST), Av. Rovisco Pais, 1, 1049-001 Lisbon, Portugal |
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Abstract: | This article explores the use of metamodels as simulation building blocks. The metamodel replaces a part of the simulation model with a mathematical function that mimics the input–output behavior of that part, with respect to some measure of interest to the designer. The integration of metamodels as components of the simulation model simplifies the model and reduces the simulation time. Such use of the metamodels also gives the designer a better understanding of the behavior of those parts of the model, making the simulation model as a whole more intelligible. The metamodel-based simulation model building process is examined, step by step, and the designer options are explored. This process includes the identification of the metamodel candidates and the construction of the metamodels themselves. The assessment of the proposed approach includes the evaluation of the integration effort of the metamodel into the metamodel-based simulation model, and the accuracy of the output data when compared to the original system. |
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Keywords: | Simulation Subsystem metamodels Linear regression Validation Integrated simulation |
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