Applus+ IDIADA delivers comprehensive winter tire testing and tire characterization services combining advanced physical testing with state-of-the-art modeling solutions. Our approach combines on-site low-mu testing with advanced tire modeling services, delivering both Magic Formula tire model parameterization and FTire digital twins from a single test campaign.
This dual methodology supports electronic chassis control systems validation (ESC, ABS, traction control), tire benchmarking, and vehicle dynamics development while reducing physical testing costs. These services are delivered partly in partnership with UTAC Ivalo Proving Ground in Finland, providing access to extreme winter testing environments within the Arctic Circle.
IDIADA's winter tire testing program utilizes a precision Skid Trailer Test Rig designed for comprehensive tire characterization in extreme conditions. The rig delivers force measurements up to 15 kN per axis (Fx, Fy, Fz) with 0.1% full-scale accuracy, sampling at 4,800 Hz to capture transient tire behavior with exceptional resolution.
Testing capabilities include:
These specifications enable precise characterization of winter tire behavior across snow, ice, and wet low-temperature surfaces, capturing the complex interactions that affect vehicle stability and control systems.
IDIADA delivers highly accurate Magic Formula (MF) models specifically calibrated for winter conditions. Our MF modeling approach provides validated parameter sets across multiple speed ranges and friction levels.
Key advantages of our MF winter modeling approach:
MF winter tire models enable:
IDIADA develops high-fidelity FTire digital twin models for winter tires using a cross-validation approach that combines complementary measurements on winter surfaces (snow, ice, etc.) to characterize changes in tire grip. This additional data enables the FTire model to accurately extrapolate overall tire behavior across these challenging conditions:
This approach offers specific advantages:
Our winter tire testing and modeling services support multiple critical development workflows throughout the vehicle lifecycle.
Electronic Chassis Control System Development
The combination of on-site tire characterization and digital twins enables comprehensive AEB, ESC and traction control tuning under winter conditions. Engineering teams can validate emergency braking algorithms on ice and snow surfaces, optimize stability control parameters for low-mu scenarios, and calibrate sensor performance in challenging winter environments, all while reducing physical testing requirements.
Tire Benchmarking and Competitive Analysis
The dual modeling approach provides significant benefits for tire comparison and performance assessment. Magic Formula models deliver detailed lateral and longitudinal force characteristics for direct tire-to-tire comparisons, while FTire digital twins enable performance prediction across operating conditions that may not have been physically tested. This accelerates early-stage tire selection decisions and supports data-driven procurement strategies.
Vehicle Dynamics Development
Accurate tire models are essential for suspension tuning and handling optimization. The characterized winter tires integrate seamlessly into full-vehicle simulations, allowing engineers to evaluate ride comfort on snow-covered roads, optimize damper settings for winter performance, and predict handling behaviour across temperature ranges, from arctic conditions to mild winter scenarios.
Driving Simulator Integration
Finally, driving simulator integration brings the realism of winter tire behavior into virtual development environments. The tire models enable high-fidelity driver training simulations and support early-stage vehicle concept evaluation before physical prototypes exist, significantly compressing development timelines.
Applus+ IDIADA has established a technical partnership with UTAC Ivalo proving ground in Finland to extend winter testing capabilities. This collaboration provides access to controlled winter proving grounds for whole-vehicle validation, complementing IDIADA's component-level tire characterization. The partnership enables seamless integration of tire model development with vehicle-level calibration work in representative winter conditions.
The integration of advanced modeling technology with Applus+ IDIADA's physical testing infrastructure provides a comprehensive toolset for winter tire development:
For more information about our winter tire testing and modeling solutions, contact our engineering team.
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