The paper addresses methodology of the assessment of vehicle dynamics on the basis of a set of cost functions. The proposed concept covers different domains like longitudinal, lateral and vertical dynamics with a possibility to deduce a complex cost function having three main attributes: (i) dimensionless form, (ii) range from 0 to 1, and (iii) weighting factors for each individual domain. The attributes (i) and (ii) are subjected to the comparison of baseline, reference, and actual values of corresponding parameters of vehicle dynamics like acceleration, yaw rate, slip and others. The attribute (iii) links to the choice of weighting factors from the analysis of vehicle maneuvers. Application fields of the developed individual and complex cost functions are assessment of vehicle performance and stability, optimization of relevant control systems, and choice of proper control strategies / tuning of control gains by autonomous or cooperative operation of several systems of vehicle dynamics control. The paper introduces the implementation of the proposed methodology by the example of Electronic Stability Program (ESP) system. Case studies illustrate results of the calculation of the cost functions for the avoidance and slalom maneuvers. The corresponding computational procedures are based on full vehicle software simulator, validated with experiments on the real vehicle.
Cost functions for assessment of vehicle dynamics
2013-04-01
3646757 byte
Conference paper
Electronic Resource
English
Advanced Cost Functions for Evaluation of Lateral Vehicle Dynamics
Springer Verlag | 2012
|Advanced cost functions for evaluation of lateral vehicle dynamics
Automotive engineering | 2012
|Advanced Cost Functions for Evaluation of Lateral Vehicle Dynamics
Tema Archive | 2012
|Advanced Cost Functions for Evaluation of Lateral Vehicle Dynamics F2012-G06-015
British Library Conference Proceedings | 2013
|Unmanned Aerial Vehicle Operated Based On Cost Functions
European Patent Office | 2023
|