November 2013
Optimal maintenance scheduling of thermal power unıts in a restructured nigerian power system
The optimal preventive maintenance schedules of generating units for the purpose of maximizing economic benefits and improving reliable operation of 44 functional thermal generating units of Nigerian power system, subject to satisfying system load demand, allowable maintenance window and crew constraints over 52 weeks maintenance and operational period is presented. It uses HPSO algorithm to find the optimum schedule....
November 2013
Prediction and optimization of weld bead geometry in gas metal arc welding process using RSM and fmincon
Cladding is a surface modification process in which a specially designed alloy is surface welded in order to enhance corrosion resistant properties. Common cladding techniques include Gas Tungsten Arc Welding (GTAW), submerged arc welding (SAW) and gas metal arc welding (GMAW). Because of high reliability, easiness in operation, high penetration good surface finish and high productivity gas metal arc welding...
November 2013
Set up Reduction – A perfect way for productivity improvement of computer numerical control (CNC) set up in manufacturing company
Most manufacturing operations require periodic setups for product changes, process-control verifications or engineering evaluations. Setups performed in-line-on the tool in lieu of running product take away from production time and may be classified as waste. This paper focuses that, setup procedures should be analyzed to see if they can be done in parallel, off line, to allow production to continue....
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