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International Journal of Automotive Technology > Volume 20(5); 2019 > Article
International Journal of Automotive Technology 2019;20(5): 903-915.
doi: https://doi.org/10.1007/s12239-019-0084-x
INTEGRATED VEHICLE DYNAMICS SYSTEM THROUGH COORDINATING ACTIVE AERODYNAMICS CONTROL, ACTIVE REAR STEERING, TORQUE VECTORING AND HYDRAULICALLY INTERCONNECTED SUSPENSION
Arash Hosseinian Ahangarnejad1, Stefano Melzi2, Mehdi Ahmadian1
1Virginia Tech
2Politecnico di Milano
PDF Links Corresponding Author.  Arash Hosseinian Ahangarnejad , Email. ahangarnejad@vt.edu
ABSTRACT
This paper investigates integrated vehicle dynamics control through coordinating active aerodynamics control, active rear steering, torque vectoring and hydraulically interconnected suspension for improving the overall vehicle performance including handling, stability, and comfort. After developing each chassis control system, it is tested by various manoeuvres in order to assess each subsystem. Then, a rule-based coordinate system is proposed for integrated control of the four chassis control systems. Simulation investigation is performed to display the effectiveness of the proposed integrated vehicle dynamics system. Results demonstrate that the proposed control scheme is able to enhance the multiple performance indices of the vehicle including both the ride comfort, and the lateral stability, compared to the non-integrated control system.
Key Words: Active aerodynamics control, Active rear steering, Torque vectoring system, Hydraulically interconnected suspension, Integrated vehicle dynamics system, Vehicle dynamics, Active safety
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