Optimal periodic replacement policy for a warranted product subject to multi modes failure process

A Ullah, W Jiang - Journal of Management Analytics, 2019 - Taylor & Francis
A complex product subjects to multiple failure modes such as minor and catastrophic failure
with some probability. This paper investigates the effects of minor failure and catastrophic …

Statistical testing of availability for mining technological systems with air quality constraints

M Stehlík, P Economou, L Papić… - … Stochastic Models in …, 2018 - Wiley Online Library
We develop a mining technology statistical model showing that even environmentally
sustainable mining can be still very profitable. We put constraints on mining activities for …

Optimization of drill bit replacement time in open-cast coal mines

OF Ugurlu, M Kumral - International Journal of Coal Science & Technology, 2019 - Springer
To gain a competitive edge within the international and competitive setting of coal markets,
coal producers must find new ways of reducing costs. Increasing bench drilling efficiency …

Replacement Model for Street Lighting Systems

AM Usman, YA Adediran, AO Otuoze… - Nigerian Journal of …, 2021 - ajol.info
Replacing failed bulbs of streetlights in a location can be very tasking and expensive if the
optimal time for replacement is not determined. In this paper, a model has been developed …

Value-based optimisation for cross-asset maintenance in a Canadian municipality

W Hwangbo, A Mohammadi… - Infrastructure Asset …, 2019 - icevirtuallibrary.com
Most municipalities have a disconnection between the effective usage of their budget and
their ability to preserve the value of their network of assets. Long-term planning for cross …

Operation management of drilling processes in surface mining

O Ugurlu - 2019 - escholarship.mcgill.ca
In recent years, the profit margin for mining companies has been declining due to low
commodity prices and high operating costs associated with resource degradation and …