In the present paper, an Evasive Manoeuvre Assist (EMA) function is designed to adapt to different types of drivers, by an optimised steering torque overlay. The existing EMA function amplifies the driver steering inputs using a feed-forward controller which might not necessarily help an over-reactive driver. There exists a need for an EMA which adapts to different drivers as it minimises the risk of collision and gives the driver an experience of good control. The focus of this paper is to identify and define a proper steering sequence reference model for closed-loop feedback control design. A simple single-point preview model is designed first to calculate the reference steering angle. A few test scenarios are set-up using the IPG CarMaker\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$^\text {TM}$$\end{document}simulation tool. The reference model is then calibrated with respect to the amplitude and frequency of the steering sequence by offline optimisation to obtain the optimal steering profile. A feedback controller is then designed using this reference model. The robustness of the function is verified in real-time, using a Volvo rapid-prototype test vehicle.


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    Title :

    An Adapted Evasive Manoeuvre Assist Function for Over-Reactive and Under-Reactive Drivers


    Additional title:

    Lect.Notes Mechanical Engineering



    Conference:

    The IAVSD International Symposium on Dynamics of Vehicles on Roads and Tracks ; 2019 ; Gothenburg, Sweden August 12, 2019 - August 16, 2019



    Publication date :

    2020-02-13


    Size :

    10 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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