Prof. Dr. Jožef Vižintin, Center for Tribology and Thermical Diagnostics, Faculty of Mechanical Engineering, University of Ljubljana
Responsible investigator at the department: Prof. dr. Đani Juričić
July 1, 2011 – June 30, 2014
ARRS - Slovenian Research Agency, L2-4160 (C), co-financed by Litostroj Power d.o.o. and Kalmer d.o.o.
Mechanical drives are the most ubiquitous item of equipment in almost all industrial branches. Wear, excessive operational loads or errors in assembly might cause premature unexpected failures resulting in partial or total production downtime, damaged equipment or even loss of lives. Proper maintenance is therefore very important. According to the ARTEMIS report, the direct cost of maintenance in EU is estimated 4%- 8% of the total sales turnover. Moreover, 30-50% of the expenditure is wasted through ineffective maintenance! The problem is that currently prevailing reactive (react-to-failure) and preventive (periodic) maintenance paradigms are outdated and need to be replaced with more costeffective predictive maintenance based on advanced diagnostic, prognostic and health management solutions (PHM). While diagnostics tends to determine condition of the component and isolate faults, the aim of prognostics is to assess the useful life of the asset. Health management refers to the ability to make intelligent decisions about maintenance actions. Reasons that keep companies reluctant to investments in PHM are still in high capital costs, installation difficulties, and the overall complexity of the currently available monitoring systems. The aim of the project is to respond to these challenges and come up with the prototype of a versatile, easily manageable and radically low-cost platform labelled MEMS-PHM for prognostics and health management of electro-mechanical drives that will rely on cutting edge MEMS (microelectromechanical sensor) technologies. Strong motivation for the underlying project is fuelled by several key factors:
This project will conduct basic and applied research leading to the anticipated major results as follows:
The prototype versions of the system will be validated on laboratory motor-generator test rig and demo industrial installations, already been agreed with the companies supporting the project.
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