Browse Publications Technical Papers 2008-01-0728
2008-04-14

Testing and Verification of Adaptive Cruise Control and Collision Warning with Brake Support by Using HIL Simulations 2008-01-0728

This paper presents how hardware in the loop (HIL) simulations have been used for testing during the development of the adaptive cruise control (ACC) and collision warning with brake support (CWBS) functions implemented in the Volvo S80. Both the brake system controller and the controller where the ACC and CWBS functions were implemented were tested. The HIL simulator was used for automated batch simulations in which different controller software releases were analyzed from both system, fail-safe and functional performance perspectives. This paper presents the challenges and the benefits of using HIL simulations when developing distributed active safety functions. Some specific simulation results are analyzed and discussed. The conclusion shows that although it is difficult and time-consuming to develop a complete HIL simulation environment for active safety functions such as ACC and CWBS, the benefits justify the investment. For the development of distributed active safety functions, HIL simulations are invaluable, when considering the short development times required in the automotive industry.

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