Consistent haul road condition monitoring by means of vehicle response normalisation with Gaussian processes

Authors:
T. Heyns;J. P. De Villiers;P. S. Heyns
Affiliations:
Department of Electronic and Computer Engineering, University of Pretoria, South Africa and Defence Peace Safety and Security (DPSS) Division of the Council for Scientific and Industrial Research ...;Department of Electronic and Computer Engineering, University of Pretoria, South Africa and Defence Peace Safety and Security (DPSS) Division of the Council for Scientific and Industrial Research ...;Dynamic Systems Group, Department of Mechanical and Aeronautical Engineering, University of Pretoria, South Africa
Venue:
Engineering Applications of Artificial Intelligence
Year:
2012

Citing 3
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Abstract

Suboptimal haul road management policies such as routine, periodic and urgent maintenance may result in unnecessary cost, both to roads and vehicles. A recent idea is to continually access haul road condition based on measured vehicle response. However the vehicle operating conditions, such as its instantaneous speed, may significantly influence its dynamic response resulting in possibly ambiguous road classifications. This paper proposes vehicle response calibration by means of Gaussian process regression, so that a severity metric which is more robust to fluctuating operating conditions may be obtained.