GIT Product System Lifecycle Management PSLM Center www
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GIT Product & System Lifecycle Management (PSLM) Center www. pslm. gatech. edu GIT Sys. ML Parametrics Work Russell. Peak@marc. gatech. edu Presenter Chris. Paredis@me. gatech. edu Diego. Tamburini@marc. gatech. edu Presentation to OMG Systems Engineering Domain-Specific Interest Group (SE DSIG) September 13, 2005 Atlanta v 2
Example Sys. ML-based Simulation Models Space systems - Fire. Sat satellite Hydraulics & system dynamics Mechanical CAD & CAE Simulation building blocks Electrical/mechanical CAD & CAE Diverse interconnected models at ~6 levels of system decomposition and ~7 levels of abstraction. . . For further context, see other GIT presentation to OMG SE DSIG Sept 13, 2005 http: //eislab. gatech. edu/pubs/seminars-etc/2005 -09 -omg-se-dsig-peak/ Copyright © 2005 Note: The Sys. ML notation used in these slides roughly corresponds to Sys. ML draft v 0. 9 plus more recent updates and experimental variations. We intend to update these examples with the final official notation when v 1. 0 that becomes available. 2
Fire. Satellite System Schematic Source: Larson WJ and Wertz JR ed. (1999) Space Mission Analysis and Design (SMAD), 3 rd Ed. Microcosm, Inc. ] Copyright © 2005 3
Space Mission Analysis & Design (SMAD) Process Source: Larson WJ and Wertz JR ed. (1999) Space Mission Analysis and Design (SMAD), 3 rd Ed. Microcosm, Inc. ] Copyright © 2005 4
Fire. Sat system design as COB-based Sys. ML parametric diagrams (conceptual draft) a. Fire. Sat top-level system design 5 Based on Fire. Sat data contained in SMAD Chapter 11 etc. Larson WJ and Wertz JR ed. (1999) Space Mission Analysis and Design (SMAD), 3 rd Ed. Microcosm, Inc. ] © 2005 Georgia Tech Contact: Russell. Peak@marc. gatech. edu Version: 2005 -09 -14
Fire. Sat system design as COB-based Sys. ML parametric diagrams (conceptual draft) b. Fire. Sat ADC subsystem design (initial subsystem sizing, etc. ) 6 © 2005 Georgia Tech Contact: Russell. Peak@marc. gatech. edu Version: 2005 -09 -14
Fire. Sat system design as COB-based Sys. ML parametric diagrams (conceptual draft) c. Fire. Sat magnetic torquer subsystem design (initial subsystem sizing, etc. ) See conceptual breakdown to leaf-level domain design/analysis ECAD and MCAE analysis 7 © 2005 Georgia Tech Contact: Russell. Peak@marc. gatech. edu Version: 2005 -09 -14
Circuit Board Design-Analysis Integration Electronic Packaging Examples: PWA/B Design Tools Modular, Reusable Template Libraries ECAD Tools Mentor Graphics, Zuken, … STEP AP 210‡ Gen. CAM**, PDIF* PWB Stackup Tool Xai. Tools PWA-B Analyzable Product Model Xai. Tools PWA-B Analysis Modules (CBAMs) of Diverse Mode & Fidelity Solder Joint 1 D, Deformation* 2 D, 3 D Xai. Tools Analysis Tools PWA-B General Mathematica FEA Ansys PWB Extension PWB Warpage 1 D, 2 D Laminates DB Materials DB ‡ AP 210 WD 48 * = Item not yet available in toolkit (all others have working examples) PTH 1 D, Deformation 2 D & Fatigue** ** = Item available via U-Engineer. com 8
Circuit Board Analysis Model Structure requirement verify 9
Simulation Template: Circuit Board Warpage Sys. ML Parametric Diagram Envisioned sample tool scenarios. . . PWB design (AP 210 -based design model from Mentor Expedition) Requirements FEA model (UGS Tc. R) (Ansys) 10
Simulation Building Block: 1 D Linear Elastic Model Sys. ML parametric diagram 11
Contents Space systems - Fire. Sat satellite Hydraulics & system dynamics Mechanical CAD & CAE Simulation building blocks Electrical/mechanical CAD & CAE Copyright © 2005 12
SRL Modeling Hydraulic Systems Behavior Using Sys. ML Presented to: Dr. Gary May & Dr. Chris Paredis By: Arnaldo J. Colón-López Universidad del Turabo, P. R. Mechanical Engineering Fifth Year 13 August 3, 2005
SRL Overview n n n n Motivation & Objectives What is Sys. ML? HAL System Overview Approach Results Conclusions Summary 14
SRL Motivation & Objectives n How can we support the simulation of system models? ¡ ¡ n n n Save the knowledge about the model in a standard language Create the model once, then reuse rather than recreate the model System Engineers need a standard language to facilitate systems design through the use of reference libraries in Sys. ML. Generate reference and simulation library of components. Create system simulations automatically from configurations of reference models. Make links to simulation models Save money, time and effort 15
SRL n n System Modeling Language “Sys. ML” Sys. ML is a profile and extension of the Unified Modeling Language. Supports the verification and analysis of complex systems. Improves the ability to exchange systems engineering information amongst tools Focuses on engineering systems. 16
SRL HAL System Overview n n n The Hydraulic Actuated Lifter was designed and build in the Intelligent Machine Dynamics Laboratory at Georgia Tech. HAL was designed by two IMDL students, Mimics a forklift truck. Primary purpose is to serve as an educational tool. HAL is constrained by a linear track for safety reasons. 17
SRL Approach n n n n Learn about Sys. ML Develop the hydraulic components library. Describe the HAL system using the Sys. ML tools. Find the best diagram for the system behavior representation. Generate the links for the simulation and reference models. Build the simulation using the Dymola Software. Test the entire design process. 18
SRL Results 19
SRL Hydraulic Libraries 20
SRL HAL System Structure Diagram 21
SRL HAL System Component Diagram 22
SRL Reference & Simulation Models Reference Model Simulation Model 23
SRL Hydraulic Circuit Simulation 24
SRL Simulation Results Motor Relief. Valve Motor Torque Pump Ideal Flow. Source Angular Velocity 25
SRL Conclusions n Sys. ML is a good language for defining reference models. ¡ ¡ ¡ Sys. ML defines the relation between the reference and simulation models once Reuse the reference model often Saves time & resources. 26
SRL Summary n n Sys. ML is a profile and extension of Unified Modeling Language. Sys. ML was used to provide a standard modeling language for systems engineering to analyze the HAL System. Main Sys. ML Diagrams are: Parametric, Class and Structure diagrams. Artisan Real-Time Studio with Sys. ML supports the representation of system behavior. 27
SRL Acknowledgements n Dr. Gary May n n Dr. Chris Paredis n n n My SURE Program Mentor & Ph. D Student Cleon Davis – n n Research Scientist @ IBM Cornelius Ejimofor n n Ph. D Student Sai Zeng n n My SURE Program Advisor Dr. Bruce Powel Douglas Manas Bajaj n n SURE Program Director SURE Program Coordinator 2005 SURE Interns 28
Contents Space systems - Fire. Sat satellite Hydraulics & system dynamics Mechanical CAD & CAE Simulation building blocks Electrical/mechanical CAD & CAE Diverse interconnected models at ~6 levels of system decomposition and ~7 levels of abstraction. . . For more examples, see presentation & webcast archive available at: http: //eislab. gatech. edu/pubs/conferences/2005 -pde-peak/ Copyright © 2005 For simulation template architecture & methodology, see: http: //eislab. gatech. edu/pubs/seminars-etc/2005 -cpda-dsfw-peak/ 29
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