학술논문

Surrogate Modeling Approaches for Ground Vehicle Mobility Simulations
Document Type
Conference
Source
2018 International Conference on Computational Science and Computational Intelligence (CSCI) CSCI Computational Science and Computational Intelligence (CSCI), 2018 International Conference on. :141-146 Dec, 2018
Subject
Computing and Processing
Computational modeling
Analytical models
Land vehicles
Measurement
Predictive models
Mathematical model
Context modeling
Surrogate Modeling, Modeling and Simulation, Kriging
Language
Abstract
Modeling and simulation of ground vehicles can be a computationally expensive problem due to the complexity of high-fidelity vehicle models. Several common mobility tests also require a large set of simulations to be run in order to determine a desired mobility metric. This paper explores the use of High Performance Computing resources to sample a set of parameter space points using high-fidelity simulations, in order to create a surrogate model that can be used to predict the value of a wider domain of parameter space points. In particular, three approaches to surrogate model function creation are explored: K-Nearest-Neighbor (KNN), Inverse Distance Weighting (IDW), and Kriging. These approaches are compared for a particular ground vehicle mobility modeling and simulation task through the average error between the surrogate model predicted values and the actual full-fidelity simulation results.