Vehicle Dynamics Tuning & Ride/Handling Analyst
Analyze suspension tuning with modal analysis, frequency response & dynamics data
What You Can Do
You can rapidly analyze modal test results, frequency response data, and handling metrics to identify tuning opportunities and root causes of ride comfort or handling issues. This skill structures complex suspension dynamics data into actionable recommendations, comparing multiple tuning variants and quantifying trade-offs between ride isolation, steering response, and body control—accelerating calibration iterations without manual data review.
Features
Extract natural frequencies, damping ratios, and mode shapes from test data to assess suspension stiffness and isolation performance
Interpret Bode plots and transfer functions to diagnose resonance peaks, isolation bandwidth, and steering feel characteristics
Cross-reference understeer gradient, roll stiffness, yaw response, and lateral acceleration against OEM targets and competitor benchmarks
Analyze vertical acceleration spectra, ride index values, and ISO 2631 assessments to pinpoint harshness or isolation deficiencies
Evaluate suspension component specifications and predict performance impact of geometry or stiffness changes
Systematically assess multiple test runs or simulation scenarios side-by-side to identify trade-offs and preferred configurations
Correlate customer complaints or test failures to modal peaks, frequency response anomalies, or geometry issues with quantified evidence
Provide prioritized tuning actions with expected performance deltas, implementation complexity, and hardware change feasibility
Example Output
Modal Analysis Summary:
- Front suspension 1st mode: 1.8 Hz (target: 1.6–2.0 Hz) ✓ Within spec
- Rear bounce/pitch coupling: 3.2 Hz (damping ratio 0.28) — Slightly underdamped; recommend 8% damper increase
- Wheel hop modes at 9.5 Hz and 11.2 Hz — Both above tire excitation bandwidth; acceptable
Handling Performance:
- Understeer gradient: 2.1°/g (target: 1.8–2.2°/g) ✓ On target
- Yaw response lag: 180 ms (competitor avg: 160 ms) — Recommend 10% stiffer anti-roll bar
- Lateral acceleration overshoot: 12% — Slightly high; increase damping or reduce spring rate
Trade-off Analysis: Increasing rear damping improves body control and isolation but may reduce steering response precision. Recommend combining 8% damper increase with 5% rear anti-roll bar increase to maintain yaw response.
What's Included
- SKILL.md: Core instruction file with modal analysis workflows and metrics interpretation framework
- Modal Analysis Template: Structured checklist for extracting and assessing natural frequencies, damping ratios, and mode shapes
- Frequency Response Diagnostic Checklist: Step-by-step guide to interpreting Bode plots and identifying resonance peaks
- Handling Metrics Comparison Table: Pre-built framework for cross-referencing test results against OEM targets and competitor data
- Tuning Recommendation Workflow: Systematic approach to generating prioritized actions with quantified trade-offs and hardware change feasibility assessment
Who It's For
- Ride/Handling Engineers — Optimizing suspension tuning based on test and simulation data
- Vehicle Dynamics Engineers — Analyzing modal behavior and frequency response characteristics during development
- Suspension Calibration Specialists — Comparing multiple tuning variants and correlating test failures to root causes
- NVH Engineers — Diagnosing isolation performance and resonance issues affecting comfort and noise
- Chassis Test Engineers — Interpreting test data and prioritizing next-iteration hardware changes
Best For
- Modal test data interpretation and natural frequency assessment
- Frequency response analysis and resonance peak diagnosis
- Handling metric correlation against OEM targets and benchmarks
- Ride comfort troubleshooting and isolation performance evaluation
- Multi-variant suspension tuning comparison and trade-off quantification
- Root cause analysis for customer complaints or test failures
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