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All Journal Nusantara Science and Technology Proceedings
Farida Pulansari
Department of Industrial Engineering, Faculty of Engineering and Sains, Universitas Pembangunan Nasional “Veteran” Jawa Timur, Surabaya 60294, Indonesia
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Economics, Econometrics & Finance Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Medicine & Pharmacology

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Single Machine Production Scheduling Analysis Using FCFS, SPT, LPT, and EDD Methods To Increase Work Productivity in Furniture Companies Farida Pulansari; Isna Nugraha
Nusantara Science and Technology Proceedings 5th International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2024.4503

Abstract

A furniture company has production scheduling problems by streamlining production output with one machine. This research aims to increase the work effectiveness of furniture companies by using a single machine and comparing several of the most efficient methods. The methods used are the FCFS, SPT, LPT, and EDD methods. From the research results of these four methods, it was found that the best method to use was the SPT method. However, there are still obstacles in the form of using a single machine which still really slows down the manufacturing process of a product. Products will still experience delays if the number of orders coming in increases. Therefore, a furniture company needs to add machines to reduce or minimize production delays that occur in the company. It would be better for future research to use other methods so that we can compare the results of another method.
MRT Operational Cost Optimization with Lingo Programming and the Vogel Approximation Method Isna Nugraha; Farida Pulansari; Tivani Nava Arier; Achmad Gufron
Nusantara Science and Technology Proceedings 4th International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2023.3632

Abstract

When the MRT was first operated, operations ran smoothly and it is hoped that this condition will continue to be optimal in the long term and have efficient operational costs. As a corporation that offers transportation services, PT MRT XYZ distributes passengers. Fixed expenses, variable costs, and travel costs all have an impact on efficient operational costs. Minimizing operational costs to support other costs, like maintenance costs, is vital for MRT XYZ operations to run as efficiently as possible. The study's goal is to determine the MRT system's operating expenses. The optimal operational costs, which were determined by using the travel matrix computation, were IDR 1,267,110,000,000 based on the analysis and discussion's findings. The factors utilized according to Tyonardo, the MRT station area's function and the costs that affect operations are used to determine the variable number of passengers using financial modeling. Optimizing language costs is anticipated to be the primary determinant in deciding how much profit PT MRT will make.
Co-Authors Achmad Gufron Isna Nugraha Tivani Nava Arier