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On the Use of Driver-in-the-Loop (DIL) Systems in Commercial Vehicle Chassis Development
ISSN: 2380-2162, e-ISSN: 2380-2170
Published January 10, 2017 by SAE International in United States
Citation: Tosolin, G. and Ko, K., "On the Use of Driver-in-the-Loop (DIL) Systems in Commercial Vehicle Chassis Development," SAE Int. J. Veh. Dyn., Stab., and NVH 1(1):73-79, 2017, https://doi.org/10.4271/2017-26-0242.
A vehicle simulation model is developed, validated and integrated into a closed-loop virtual driving environment using a state-of-the-art hexapod driving simulator. Thirty variant states are implemented and evaluated subjectively on steering and handling performance quality and quantity. Standard open-loop objective testing manoeuvres are simulated and performance metrics are calculated, allowing for a systematic cross-correlation process. Graphical analysis of the correlation metrics proves that chassis changes may accurately be felt through the simulator interface. It is proposed how obtained correlation models may serve for driver-feel optimizing target setting in early vehicle development stages, frontloading a great deal of costly prototype testing. System requirements are established and benefits and limitations are portrayed.