The body sideslip algorithm was found to perform well against the three most popular motion cueing algorithms. The results appear to show that the body sideslip algorithm is as good as the adaptive and the LQR (linear quadratic regulator) algorithms, and that all three provide a slight improvement over the classical algorithm. However, none of the algorithms stands out as being a clear choice for testing in the linear region of vehicle behaviour. It seems reasonable to conclude therefore that the body sideslip algorithm is as good as the other algorithms for simulation of normal road driving. Since the real benefit of the approach is expected for simulation of driving near the vehicle limit, this is a promising result; it means that, if the sideslip algorithm does turn out to be an improvement in limit handling manoeuvres, then it can be employed on simulators without affecting the quality of motion for manoeuvres away from the vehicle limit. It is intended that the body sideslip cueing algorithm be developed further, particularly the lateral component of the motion, and evaluated against at least two other algorithms; one based on a non-linear formulation of LQR, generalised optimal control, which allows the use of non-linear system models and non-quadratic cost functions, and the other being the MPC (model-based predictive control)-based algorithm. Some testing will also be performed with so-called expert drivers; by this, we mean drivers who have experience of driving at (and indeed beyond) the limit of a vehicle's cornering capabilities. The idea behind these tests is to evaluate how good the body sideslip algorithm is at providing feedback about the vehicle state near the vehicle limits, and correspondingly whether the drivers feel that they can control the simulated vehicle as they would a real vehicle.
Evaluation of a new body-sideslip-based driving simulator motion cueing algorithm
Auswertung eines neuen Bewegungs-Cueing-Algorithmus für die auf Baukörper-Sideslip basierten Fahrsimulatoren
2012
12 Seiten, 13 Bilder, 1 Tabelle, 21 Quellen
Aufsatz (Zeitschrift)
Englisch
Evaluation of a new body-sideslip-based driving simulator motion cueing algorithm
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Online Contents | 2012
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