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Road Bank and Road Grade Angles Estimation for a Double Steering Off-Road Mobile Robot

  • Mohamed FnadiEmail author
  • Frédéric Plumet
  • Faïz Ben Amar
Conference paper
Part of the Mechanisms and Machine Science book series (Mechan. Machine Science, volume 73)

Abstract

Mobile robots need efficient and robust sensing methods and control laws to ensure high accuracy and stability. The path tracking control law based on the dynamic model has already been designed, taking into account wheel-ground contact conditions and road geometry parameters. For the sliding parameters, a new nonlinear observer was previously designed to estimate on-line the front & rear tire cornering stiffnesses. Moreover, the road geometry parameters need also to be identified in real time to adjust the gravity components. For this purpose, a linear Road-Angle Observer (RAO) is designed in this paper to estimate the on-line grade and bank road angles. The capabilities of such an observer are shown and discussed through numerical simulations using an advanced physical engine.

Keywords

Double steering Path tracking Dynamic model Sliding Road grade Road bank 

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Mohamed Fnadi
    • 1
    Email author
  • Frédéric Plumet
    • 1
  • Faïz Ben Amar
    • 1
  1. 1.Sorbonne University, CNRS UMR 7222, Institut des Systèmes Inteligents et de Robotique - ISIRParisFrance

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