Test & Measurement

Efficient Suspension Configuration with Virtual Test Benches

30th April 2013
ES Admin
0
dSPACE Automotive Simulation Models (ASM) now support the simulation of virtual test benches for vehicle dynamics analysis. The new ASM Kinematics and Compliance (ASM KnC) provides functions for designing and simulating wheel suspensions on a virtual test bench, thereby opening up a new, innovative application field. 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.
New simulation tool for efficient suspension design and analysis:
 * Virtualized vehicle test bench for analyzing wheel suspensions
 * Convenient graphical design
 * Comprehensive automation and analysis functions

Graphical User Interface for Convenient Design
The 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 subframes.

More Efficiency Through Automation
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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