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Journal : IIJSE

Mental Workload Analysis Using the NASA-TLX Method in the Engineering Department of PT ABC Daniel Pardameian Simare Mare; Naufal Affandi; Umalihayati Umalihayati
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 7 No 3 (2024): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v7i3.5903

Abstract

This study aims to measure and analyze the mental workload of employees in the Engineering department of a manufacturing company using the NASA-TLX method. The goal is to improve employee welfare and company productivity by identifying factors that cause high workloads and finding the right solution. The method used to determine the value of mental workload of employees in the Engineering department, is measured using the NASA-TLX (National Aeronautics and Space Administration Task Load Index) method. This method measures 6 dimensions of workload measurement, namely, Physical Demand, Temporal Demand, Performance, Effort, and Frustration Level. Most Informants (4 out of 5) experience a high mental workload, marked by a score above 60 on the NASA-TLX scale. The dimensions of "Time Demands" and "Mental Demands" are the main factors that contribute to the high mental workload in the tooling maker section. High mental workload is a serious problem that can have a negative impact on employee health, productivity, and job satisfaction. By implementing the right strategy, companies can reduce mental workload and create a healthier and more productive work environment.
Implementation of the Lean Six Sigma Method to Improve Product Quality in the Food and Beverage Industry Sendi Setiawan; Naufal Affandi; Umalihayati Umalihayati
Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) Vol 8 No 2 (2025): Sharia Economics
Publisher : Universitas KH. Abdul Chalim Mojokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31538/iijse.v8i2.5999

Abstract

This study aims to analyze problems in the food and beverage industry and describe an action plan to improve product quality through the implementation of Lean Six Sigma. This approach is expected to provide an effective solution to reduce waste, increase efficiency, and minimize defective products. This study uses a qualitative method with a case study approach. Data were collected through observation, interviews, and document analysis from the companies studied. The main focus is on analyzing the problems faced by the company and designing a plan to overcome the problems with the implementation of Lean Six Sigma. The results of the study show that Lean Six Sigma analyzes the problems faced by the company and designs solutions through the DMAIC (Define, Measure, Analyze, Improve, Control) approach. In the Define stage, the company identifies the main problems and sets improvement goals. Measure is used to collect current related data and measure the extent to which the problem has an impact. Analyze focuses on identifying the root cause of the problem using data analysis tools. Once the cause is known, the Improve stage designs and implements a solution to overcome the problem. Finally, Control ensures that the implemented solution remains effective in the long term by monitoring and controlling the process continuously. Through this DMAIC cycle, companies can systematically identify and address problems to improve product quality and process efficiency.