Steering System Dynamics Analyzer
Analyze and optimize steering dynamics, feedback, and torque vectoring effects
What You Can Do
You can analyze multi-dimensional steering system performance including torque characteristics, self-alignment torque, steering angle feedback, road feel transmission, and torque vectoring effects. Extract actionable insights from simulation and test data to identify root causes of steering feel issues, then develop tuning recommendations for steering gear ratios, EPS algorithms, suspension geometry effects, and torque vectoring control strategies.
Features
evaluate steering effort curves and assist mapping across speed ranges
quantify road feedback and on-center handling behavior
analyze transient response and linearity to inputs
predict handling balance changes from differential braking or active steering
review electronic power steering assist maps and damping tuning
determine how geometry changes affect steering performance
trace noise, vibration, and harshness to steering feedback transmission paths
produce prioritized engineering actions with expected outcomes
Example Output
Example 1: Steering Feel Complaint Analysis
Input: Simulation data showing heavy steering at low speeds, customer feedback on parking difficulty Output:
- Root cause identified: EPS assist curve insufficient below 10 km/h
- Recommendation: Increase assist gain by 15% in 0–15 km/h range
- Expected outcome: Parking effort reduced from 8 N·m to 5 N·m at 0 km/h
- Risk assessment: Slight instability risk on high-friction surfaces; recommend electronic stability control tuning review
Example 2: Torque Vectoring Impact Assessment
Input: Proposed torque vectoring control strategy with 500 N·m differential braking capability Output:
- Handling effect: +15% turn-in responsiveness, +8% mid-corner stability
- Steering feel impact: Reduced understeer gradient from 2.1 to 1.6 deg/g; on-center feel sharpened
- Tuning action: Adjust EPS return torque algorithm to prevent steering wheel oscillation during vectoring events
- Validation gates: Subjective testing on wet skidpad, high-speed lane-change stability assessment
What's Included
- SKILL.md instruction file: core methodology and analysis framework
- Steering dynamics simulation checklist: parameters to extract and validate from CAE models
- Torque vectoring tuning matrix: control logic mapping for differential braking/steering interventions
- EPS assist curve optimization template: structured approach to speed-dependent assist mapping
- On-center handling evaluation worksheet: quantitative metrics for steering feel assessment
Who It's For
- Vehicle Dynamics Engineers developing steering system performance specifications
- Calibration Engineers tuning electronic power steering and torque vectoring algorithms
- Suspension Engineers evaluating steering geometry effects on vehicle handling
- Simulation Engineers analyzing CAE steering dynamics data and translating results to physical testing
- Test Engineers diagnosing steering feel issues and validating tuning recommendations
Best For
- Steering system tuning before prototype validation and design freeze
- Root cause analysis of steering feel complaints and NVH issues
- Torque vectoring control strategy development and impact prediction
- EPS algorithm optimization across speed ranges and driving conditions
- Steering performance benchmarking across vehicle development iterations
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