Vehicle and Train Simulation Review and Update (Project 1/147) premier rail Dr Colin Cole, Dr Fujie Xia, Mr Vijay Ignatius, CQU
Review of Project 1
Deliverables Achieved Product Group Knowledge Base New Simulation Models Embedded Real Time Models Web Resource Publications Generic Data of selected Australian Rollingstock Non-Linear DOF66 Code Simulink Wagon Model (Part Complete) Inverse Wagon Model Health Card Inverse Model On-Line wagon Models for VAMPIRE On-Line PSD Track Spectra Simulation Utilities Generic Wagon Simulation Code Simulink Wagon Model (Part Complete) Research Reports Published Papers Software Project Outputs
Publications Year 2003 2004 2005 2005 - Software Publications 1 Rail CRC workshop Papers 1 Journal Paper 5 Rail CRC workshop Papers 3 Conference Papers 1 Journal Paper 12 Wagon System Models for VAMPIRE WRKIN21 :wheel-rail Kinematical contact simulation PSD2TRACKIRR: Track data generator from standard track Power Spectrum Density Data C66WAGON: 66DoF wagon model simulation package
Post Graduate Work Vijay Ignatius Embedded Wagon Modelling and Simulation Sita Kuppa Fuzzy Modelling of Wagon Dynamics.
Inverse Wagon Models a t a z yaw z roll x a z a y a z z y pitch a z a y L/V roll y t z Estimating wheel unloading and L/V from wagon body accelerations
Health Card Laboratory Validation 4DOF Inverse Model
66 DOF C++ Wagon Model
Website Infrastructure and Resources Downloadable Rail Vehicle Simulation Model (Wagon C66) Rail vehicle models suitable for use with Vampire Power Spectrum Data (PSD) of track irregularities of various classes Downloadable Converter to generate track irregularity files from Power Spectrum data
UPDATE??? Continuation: Project 147
Approved Proposal Validate and package the C++ based 66DOF Model as an Object Oriented vehicle simulation model Produce tests cases of new capabilities of interest: Comprehensive train/wagon/track simulation. New approaches to Friction Modelling New Contact Patch Models
Train system Pantograph/Catenary system Locomotive system Wagon system Track system Multibody System Body Joint Force Force element Rigid body Wheel set Link joint Cut joint Gravity wheel rail contact force External force Spring Damper Bump stop Friction Object Oriented and Expandable
Output Product Output from the project will be a new wagon simulation model in object orientated structure Occupy the Mid-Market Place Between Traditional Turnkey Products VAMPIRE and NUCARS Fully Flexible Graphical Products Adams Rail and SimPac Continuously Developing Product in Longer Term (Open Source or CRC Member Open Source)
a L/V t a z yaw z roll x a z a y a z y pitch z roll y a z a y C66 T/W/T t z New Models Added Wagon Simulations Rail CRC Prj 82, 148, 150 Comprehensive premier Train/wagon/track rail Embedded Applications
Benefits Simulation product at reasonable cost Ownership of Code Future embedded applications Allows additions and upgrades as industry and research requires A research tool for extending friction and contact patch modelling Development of Comprehensive train/wagon/track simulation Derailment investigation Train-Infrastructure design assessment
Flow on to Closely Related Projects: #82, #148 Project 148 will utilise the C66 as a source of wagon response data in developing robust neural Network Models Project 82 will utilise the C66 in: Centre bearing rotation and bogie warp simulations of laboratory tests Enabling step for further work in Rail CRC 2
International Interest in Improving Dry Friction in Wagon Models Important theoretical area. AAR members in USA have also requested this work for AAR rollingstock and TTCI vehicle models. Static Dynamic Friction Modelling Variable Degrees of Freedom For more precise modelling of friction Snubbers 2 DOF (Vertical and Lozenge)
Questions