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All Journal The Indonesian Journal of Business Administration Journal of International Multidisciplinary Research
Krisna Putra
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Decision Sciences, Operations Research & Management Other

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Cost Reduction in Steel-Making Through The Application of Scheduling using Decision Support System Putra, Krisna; Basri, Mursyid Hasan
The Indonesian Journal of Business Administration Vol 2, No 14 (2013)
Publisher : The Indonesian Journal of Business Administration

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Basic metal industries, which include steel industry, are very sensitive to raw material costs. As a result, volatility and rate of increase in raw material costs have a significant impact on the sustainability of the steel industry. To offset the margin pressure due to the current problem, the company should focus on improving operational efficiency by running various programs in order to reduce operating costs and improve the quality of the output. As a complement to these steps, this paper will specifically introduce the Decision Support System (DSS) to solve production scheduling issue in steelmaking operations. The purpose of the scheduling are to reduce the waiting time between the processes in the steel making as well as to increase the yield, which in turn can be used to reduce the cost of production. The simple loading heuristics with forward and backward loading will be used to solve scheduling problems.The basic idea of the proposed system is to treat Continuous Casting Machine (CCM) process as a capacity-constrained resource. On this approach, CCM treated as a determinant of the production rate to entire system. Time scheduling in the steelmaking operation have high complexity due to the strict requirements and uncertainties. The design solution using the DSS is intended also to anticipate when the assumptions fail or not fulfilled, so that manual intervention is needed to bridge the gap in making a feasible schedule.DSS would have an important role in daily operation of steel making to reduce cost. This role will become a vital role in the future, in line with the use of hot metal from the Blast Furnace to Electric Arc Furnace (EAF), since arrival of hot metal would occur periodically in a certain time interval. Keywords: Steel making, Scheduling, Theory of Constraints, Decision Support System
Literature Study Of Restaurant Tax Collection With Online System Implementation Cici Tri Jayanti; Yulia Novita Sari; Ella Juwitasari; Lukman Hakim; Krisna Putra; Nurcahyaning Dwi Kusumaningrum
Journal of International Multidisciplinary Research Vol. 1 No. 2 (2023): Desember 2023
Publisher : PT. Banjarese Pacific Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62504/9szzjt77

Abstract

This study aims to determine the implementation of restaurant tax collection with an online system in several regions in Indonesia. This research uses the method of literature study. The literature study method is a method by collecting and reviewing some previous research and then drawing conclusions from the previous research. The results obtained from the study of several literature are obstacles and supporting factors of online system implementation in several regions are more or less the same and there are some differences. The influencing factor is the quantity of tools and human resources in each region. This can affect the income of these areas.
Co-Authors Cici Tri Jayanti Ella Juwitasari Lukman Hakim Mursyid Hasan Basri Nurcahyaning Dwi Kusumaningrum Yulia Novita Sari