MIGRATING POPULAR DESIGNS MIGRATING POPULAR DESIGNS INTO LAWINTO LAW

Blueprint VehiclesBlueprint Vehicles

Prime Mover and Semi-trailerPrime Mover and Semi-trailerCombinationsCombinations  

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Dr Hans Prem

Dr Luan Mai

Mechanical System Dynamics Pty Ltd(MSD)

Melbourne, Australia

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ContextContext

• NTC funded project;

• Aimed at increasing PBS take-up;

• Deliver safe, high-capacity/productivity vehicles;

• Focus is 20m 6-axle prime mover and semi-trailer;

• Blueprint design approach;

• Design flexibility with broad application;

• Available to everyone at low (no?) cost.

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2010 Survey of Motor Vehicle Use2010 Survey of Motor Vehicle Use(Australian Bureau of Statistics)(Australian Bureau of Statistics)

Number of VehiclesNumber of Vehicles

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2010 Survey of Motor Vehicle Use2010 Survey of Motor Vehicle Use(Australian Bureau of Statistics)(Australian Bureau of Statistics)

Total Kilometres TravelledTotal Kilometres Travelled

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2010 Survey of Motor Vehicle Use 2010 Survey of Motor Vehicle Use

(Australian Bureau of Statistics)(Australian Bureau of Statistics)

Total Tonne-Kilometres TravelledTotal Tonne-Kilometres Travelled

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Design GoalsDesign Goals(6-axle prime mover and semi-trailer)(6-axle prime mover and semi-trailer)

• PBS Level 1 Performance/Access;

• Up to 20m overall length;

• GML, CML and HML loading and 6.5t on steer;

• Maximum load space;

• Based on available equipment;

• Modularity and interchangeability.

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Process Process

• Stakeholder consultation;

• Parameters set to meet industry needs;

• Define Blueprint envelope;

• Develop generalised Blueprint design approach;

• Prepare Formal PBS application.

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Outcomes Outcomes

• Formal PBS approval;

• Generalised approach to Blueprint design;

• Each design is stand alone;

• One or more designs easy to produce and approve;

• Support tool (beta version, final testing).

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The formal PBS application that underpins this project is complex…

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Dimension Set #2 of 3 Dimension Set #2 of 3 (example)(example)

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Front Overhang Detail for Dimension Set #2 of 3 Front Overhang Detail for Dimension Set #2 of 3

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Support Tool Support Tool (Excel Spreadsheet Based)(Excel Spreadsheet Based)

• Dimensions;

• Tyres;

• Powertrain;

• Loads, CGs and Suspensions;

• Drawings produced;

• Submit entire spreadsheet as application.

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DimensionsDimensions(worksheet)(worksheet)

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DimensionsDimensions(worksheet)(worksheet)

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TyresTyres(worksheet)(worksheet)

• Data can be supplied by tyre manufacturers;

• Or, each tyre manufacturer to supply a list of tyres that meet this specification.

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PowertrainPowertrain(worksheet)(worksheet)

• Data can be supplied by manufacturers;

• Or, each manufacturer to supply a list of engine, gearbox, final drive ratios that meet this specification.

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Loads, CGs and SuspensionsLoads, CGs and Suspensions(worksheet)(worksheet)

• Data can be supplied by manufacturers;

• Or, applicant can work with manufacturers.

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DrawingDrawing

Spreadsheet based CG height estimator – in preparation

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Summary Summary

• PBS approval for this Blueprint is in place;

• Working version (beta) of Support Tool available;

• Generalised approach to Blueprint design in place;

• Scope to produce many approved designs quickly;

• Modularity and interchangeability can be tested;

• Migration of popular designs into law a possibility.

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COPYRIGHT © MARCH 201COPYRIGHT © MARCH 20133 Mechanical System Dynamics Pty Ltd Mechanical System Dynamics Pty LtdABN 36 079 148 726ABN 36 079 148 726