Browsing by Author "Solomon Muhabaw"

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    Enhancement of Overall Equipment Effectiveness (OEE) through the use of Industry 4.0: In the case of Hilina Energy-Enriched Foods Manufacturing Industry
    (Addis Ababa University, 2023-06) Solomon Muhabaw; Ermias Tesfaye (Ass. Prof.)
    Overall equipment effectiveness (OEE) is a metric used to measure machinery effectiveness while Industry 4.0 (I4.0) is a revolution of digital transformation which used to change convectional manufacturing industry to smart manufacturing industry, through its evolution always open for improvement of productivity, equipment effectiveness and efficiency of machinery, as well as create comfort zone for human and other habitats. This study aims to identify equipment effectiveness metrics and possible solutions for enhancing OEE in the manufacturing industry, specifically in the case of the Hilina energy-enriched foods manufacturing industry. By utilizing a mixed-methods explanatory research approach that involves qualitative and quantitative data collection and analysis with the aid of advanced analytics techniques and recognize patterns trained with data, big data is used. The data analysis identifies the biggest losses occurring at auxiliary grand machines, especially the filler and packaging machines, resulting in a current actual OEE of only 33.46 percent. However, the remaining auxiliary machines have an OEE of 79.64 percent, giving an overall OEE of 68.34 percent. Consequently, the study advocates using I 4.0 technologies such as the Internet of Things (IoT), smart devices with sensors, machine learning, and vision to mitigate downtime, speed, and quality losses of auxiliary grand machines and provide solutions to these issues. Moreover, through the analysis of big data, the study provides maintenance strategies and machine setups that can help reduce unexpected failures, the largest losses in organizations. Thus, the use of I 4.0 technologies can enhance OEE in the manufacturing industry by providing possible solutions for each problem. It is noted that the OEE improved from 68.34% to 73.36%. This study concludes that by using the industry 4.0 in the organizations can effectively enhance the effectiveness of their equipment and achieve maximum effectiveness.