Project Overview
MATLAB tool that sweeps hundreds of gear ratio combinations for compound planetary stages, calculating stresses, identifying hunting ratios, and optimizing diameter for the UT26 AWD drivetrain. Supports variable modules across multi-stage designs for rapid optimization.
Further Development: The optimized gear parameters from this MATLAB tool were refined using KISSsoft for detailed fatigue analysis, including lubrication specifications, oil viscosity selection, and ISO 6336 compliant fatigue life calculations.
Automated sweep results showing optimal gear ratio combinations
Key Features:
- Automated sweep through hundreds of ratio combinations
- Stress analysis (bending & contact) for all configurations
- Hunting ratio detection for even wear distribution
- Diameter optimization with multi-stage support
- Variable module capability for optimized packaging
Technologies Used:
Comprehensive Sweep Results
Detailed Excel spreadsheet showing hundreds of evaluated gear configurations with stress analysis, hunting ratios, and diameter calculations
Design Considerations
Hunting Ratios
Teeth with no common factors ensure even wear distribution. Tool automatically identifies optimal combinations.
Stress Analysis
Calculates bending (Lewis) and contact (Hertzian) stresses to ensure all configurations meet safety requirements.
Planetary Benefits
High torque density and compact packaging critical for AWD FSAE applications.
Module Variation
Variable tooth sizes across stages optimize load distribution and packaging.
Impact
⚡ Rapid Iteration
Reduced design time from weeks to hours through automation.
🎯 Optimized Result
Optimal hunting ratios and minimum package size for AWD drivetrain.
Further Development: The optimized gear parameters from this MATLAB tool were refined using KISSsoft for detailed fatigue analysis, including lubrication specifications, oil viscosity selection, and ISO 6336 compliant fatigue life calculations.
Technical Achievements
This automated design tool significantly accelerated the drivetrain development process by eliminating manual calculation iterations and enabling comprehensive design space exploration.
- Evaluated 500+ gear ratio combinations in under 5 minutes
- Identified optimal hunting ratio configurations for even wear distribution
- Minimized package diameter while maintaining structural integrity
- Enabled multi-stage optimization with variable tooth modules
- Generated detailed stress analysis reports for all valid configurations
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