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Towards Automated Evaluation of Vehicle Dynamics in System-Level Designs

[+] Author Affiliations
Zsolt Lattmann, Adam Nagel, Jason Scott, Kevin Smyth, Chris vanBuskirk, Joseph Porter, Sandeep Neema, Ted Bapty, Janos Sztipanovits

Vanderbilt University, Nashville, TN

Johanna Ceisel, Dimitri Mavris

Georgia Institute of Technology, Atlanta, GA

Paper No. DETC2012-71378, pp. 1131-1141; 11 pages
doi:10.1115/DETC2012-71378
From:
  • ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 2: 32nd Computers and Information in Engineering Conference, Parts A and B
  • Chicago, Illinois, USA, August 12–15, 2012
  • Conference Sponsors: Design Engineering Division, Computers and Information in Engineering Division
  • ISBN: 978-0-7918-4501-1
  • Copyright © 2012 by ASME

abstract

We describe the use of the Cyber-Physical Modeling Language (CyPhyML) to support trade studies and integration activities in system-level vehicle designs. CyPhyML captures parameterized component behavior using acausal models (i.e. hybrid bond graphs and Modelica) to enable automatic composition and synthesis of simulation models for significant vehicle subsystems. Generated simulations allow us to compare performance between different design alternatives. System behavior and evaluation are specified independently from specifications for design-space alternatives. Test bench models in CyPhyML are given in terms of generic assemblies over the entire design space, so performance can be evaluated for any selected design instance once automated design space exploration is complete. Generated Simulink models are also integrated into a mobility model for interactive 3-D simulation.

Copyright © 2012 by ASME

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