dSPACE virtual test benches for vehicle dynamics analysis

April 30, 2013  by  

 

dSPACE Automotive Simulation Models (ASM) now support the simulation of virtual test benches for vehicle dynamics analysis. ASM Kinematics and Compliance (ASM KnC) provides functions for designing and simulating wheel suspensions on a virtual test bench, thereby opening up a new and innovative application field, according to the company. Users can now run virtual tests for numerous vehicle variants and driving maneuvers to optimize vehicle suspensions and make them available for hardware-in-the-loop (HIL) applications.

Graphical user interface for convenient design

Wheel suspensions are defined in a graphical user interface and exported as look-up tables for vehicle simulation models. The tool provides preset configurations for common suspension types: McPherson, double wishbone, and 3-link, 4-link or multiple-link suspensions. These can also be combined with sub-frames.

Keeping prototypes to a minimum

ASM KnC is fully automatable, so simulation results can be optimized to match real measurement data (e.g., the changes in camber and toe-in during jounce and rebound). The automation interface can also be used to forecast the individual properties of materials to meet higher target criteria for vehicle dynamics. Because the simulation parameters correlate directly with the real vehicle design, test engineers can optimize the vehicle dynamics behavior much more efficiently. This reduces the number of real test runs and keeps prototypes to a minimum.

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