Abstract
Hardware-in-the-Loop (HiL) tests are common practice in the development process of “Electric Power Steering – EPS” systems. The HiL tests are carried out on power pack test benches, which emulate the real environment, that an EPS motor is exposed to in a real vehicle.
This paper describes highly dynamic HiL tests of an EPS motor using the power pack test bench of [1] To precisely emulate the real environment of the EPS motor, the detailed steering model of [2] is used and moreover embedded in a vehicle dynamics model. The resulting HiL system consists of the detailed steering model, the vehicle dynamics model, the power pack test bench, and the corresponding test bench actuator control. The HiL system is used to perform the highly dynamic HiL tests and allows realistic parameter sets for every involved model.
During the HiL tests, the fishhook and the double lane-change are performed. Both are standardized road tests, that include a severe change of the driving direction of the vehicle and are hence highly dynamic excitations of the EPS system. Consequently, the measurement results of both HiL tests are used to prove the performance of the power pack test bench in highly dynamic HiL tests.
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References
Briese, H., Farshizadeh, E., Oedekoven, S., Schubert, T., Henrichfreise, H.: Realistic Dynamical Testing of EPS Motors and ECUs by Means of a Hardware-in-the-Loop Test Bench. In: 6th International Munich Chassis Symposium 2015, pp. 489–506. Springer Vieweg, Munich (2015)
Irmer, M., Haßenberg, M., Briese, H., Henrichfreise, H.: Mechatronic system design for EPS systems with residual modes and variable, non-linear plant behavior. In: 20. Internationales Stuttgarter Symposium, pp. 469–482. Springer Vieweg, Stuttgart (2020)
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International Organization for Standardization: ISO 3888-1: Passenger cars – Test track for a severe lane-change manoeuvre Part 1 Double lane-change. Genf (1999)
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© 2021 Springer Fachmedien Wiesbaden GmbH, ein Teil von Springer Nature
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Hemmersbach, M., Briese, H., Haßenberg, M., Irmer, M., Henrichfreise, H. (2021). Application of a Detailed Model of a Steering System in Highly Dynamic HiL Tests of EPS Motors. In: Bargende, M., Reuss, HC., Wagner, A. (eds) 21. Internationales Stuttgarter Symposium. Proceedings. Springer Vieweg, Wiesbaden. https://doi.org/10.1007/978-3-658-33521-2_36
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DOI: https://doi.org/10.1007/978-3-658-33521-2_36
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