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Browsing Research Articles (Electrical, Electronic and Computer Engineering) by Author

Browsing Research Articles (Electrical, Electronic and Computer Engineering) by Author "Heyns, P.S. (Philippus Stephanus)"

Now showing items 1-6 of 6

Combining synchronous averaging with a Gaussian mixture model novelty detection scheme for vibration-based condition monitoring of a gearbox

Heyns, Theo; Heyns, P.S. (Philippus Stephanus); De Villiers, Johan Pieter (Elsevier, 2012-10)

This paper investigates how Gaussian mixture models (GMMs) may be used to detect and trend fault induced vibration signal irregularities, such as those which might be indicative of the onset of gear damage. The negative ...
Consistent haul road condition monitoring by means of vehicle response normalisation with Gaussian processes

Heyns, Theo; De Villiers, Johan Pieter; Heyns, P.S. (Philippus Stephanus) (Elsevier, 2012)

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 ...
A method for real-time condition monitoring of haul roads based on Bayesian parameter estimation

Heyns, Theo; Heyns, P.S. (Philippus Stephanus); De Villiers, Johan Pieter (Elsevier, 2012-04)

Current haul road management techniques, such as routine, periodic and urgent maintenance have shortcomings in many complex haul road environments. Real-time road condition monitoring may significantly reduce maintenance costs, ...
A novelty detection diagnostic methodology for gearboxes operating under ﬂuctuating operating conditions using probabilistic techniques

Schmidt, Stephan; Heyns, P.S. (Philippus Stephanus); De Villiers, Johan Pieter (Elsevier, 2018-02)

In this paper, a fault diagnostic methodology is developed which is able to detect, locate and trend gear faults under fluctuating operating conditions when only vibration data from a single transducer, measured on a healthy ...
Statistical gear health analysis which is robust to fluctuating loads and operating speeds

Heyns, Theo; Godsill, S.J.; De Villiers, Johan Pieter; Heyns, P.S. (Philippus Stephanus) (Elsevier, 2012-02)

Condition-based maintenance is concerned with the collection and interpretation of data to support maintenance decisions. The non-intrusive nature of vibration data enables the monitoring of enclosed systems such as ...
A tacholess order tracking methodology based on a probabilistic approach to incorporate angular acceleration information into the maxima tracking process

Schmidt, Stephan; Heyns, P.S. (Philippus Stephanus); De Villiers, Johan Pieter (Elsevier, 2018-02)

Rotational speed or phase measurements are important in the rotating machine condition monitoring field. Rotating machines often operate in the presence of fluctuating rotational speeds and its components generate signals ...

Now showing items 1-6 of 6

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Browsing Research Articles (Electrical, Electronic and Computer Engineering) by Author "Heyns, P.S. (Philippus Stephanus)"

Browsing Research Articles (Electrical, Electronic and Computer Engineering) by Author "Heyns, P.S. (Philippus Stephanus)"

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