Gespeichert in:
| Hauptverfasser: | , , , |
|---|---|
| Format: | Recurso digital |
| Sprache: | Englisch |
| Veröffentlicht: |
Zenodo
2004
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| Schlagworte: | |
| Online-Zugang: | https://doi.org/10.5281/zenodo.18966610 |
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Inhaltsangabe:
- <p>{ "background": "Industrial machinery fleets are critical capital assets, yet systematic methodologies for evaluating their operational efficiency in developing economies are lacking. In Uganda, ad-hoc maintenance and heterogeneous usage patterns complicate performance assessment, hindering evidence-based asset management.", "purpose and objectives": "This study aims to develop and apply a robust methodological framework for evaluating the efficiency of industrial machinery fleets. The primary objective is to quantify efficiency gains using a multilevel regression model that accounts for operational heterogeneity.", "methodology": "A novel two-stage methodology was employed. First, a systematic evaluation protocol was developed to standardise data collection on fleet utilisation, maintenance logs, and fuel consumption across multiple industrial sites. Second, a multilevel linear regression model was fitted to the panel data. The core statistical model is $y{ij} = \\beta{0} + \\beta{1}x{1ij} + u{j} + e{ij}$, where $y{ij}$ is the efficiency metric for machine $i$ in fleet $j$, $x{1ij}$ denotes standardised operational hours, $u{j}$ represents random fleet-level effects, and $e{ij}$ is the residual error. Robust standard errors were used for inference.", "findings": "The multilevel analysis revealed that implementing the standardised evaluation protocol was associated with a significant 18.2% average improvement in fuel-use efficiency across monitored fleets (95% CI: 14.5% to 21.9%). The random effects structure confirmed that approximately 30% of the variance in efficiency outcomes was attributable to differences between fleets, rather than individual machinery.", "conclusion": "The study demonstrates that a structured methodological approach, combined with multilevel modelling, can effectively isolate and measure efficiency gains in heterogeneous industrial machinery operations, moving beyond descriptive performance reporting.", "recommendations": "Fleet managers should adopt standardised evaluation protocols to generate comparable performance data. Policymakers and industry bodies are encouraged to integrate such methodologies into national equipment management guidelines to</p>