Integration of Active Braking System in Multi-Body Systems Tool to Improve Prediction of Braking Loads

Paper #:
  • 2017-01-0418

Published:
  • 2017-03-28
DOI:
  • 10.4271/2017-01-0418
Citation:
McCann, G. and Khapane, P., "Integration of Active Braking System in Multi-Body Systems Tool to Improve Prediction of Braking Loads," SAE Int. J. Commer. Veh. 10(1):219-235, 2017, doi:10.4271/2017-01-0418.
Pages:
17
Abstract:
An increase in data measurement and recording within vehicles has allowed Anti-lock Braking Systems (ABS) to monitor a vehicle’s dynamic behavior in far more detail. This increased monitoring helps to improve vehicle response in scenarios such as braking whilst cornering and braking on uneven surfaces.The Durability and Robustness (D&R) CAE department within Jaguar Land Rover discovered that the lack of a complex ABS system in virtual vehicle models was contributing to poor lateral and longitudinal loads correlation throughout the suspension and mounting systems. D&R CAE started a project to incorporate Continental’s ABS system, provided by ‘©Continental AG’ for physical JLR vehicles, into SIMPACK virtual vehicles by means of a co-simulation (2017 n.d.). The work involved collaboration between 3 departments in Jaguar Land Rover and ultimately led to implementation of the ABS into the JLR standard automotive virtual database.Following successful implementation of the new ABS system; D&R CAE commenced correlation of JLR vehicles over key durability and extreme event surfaces. These surfaces and the correlation techniques are described in detail in this paper. The results highlight significant improvement in wheel rotational deceleration when compared against the original ABS system. An improvement in suspension longitudinal and lateral loads correlation can also be seen. Improved correlation in this area moves D&R CAE forward in their goal to achieving confident predictive ability on durability and extreme braked loadcases which will ultimately reduce the reliance on physical testing and improve JLR’s processes.Phase 2 of this project will focus on an increased number of JLR vehicle platforms and loadcases in order to establish a robust level of correlation, allowing D&R CAE to roll out the new ABS system throughout the business.
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