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All Journal Tibuana : Journal of Applied Industrial Engineering PELS (Procedia of Engineering and Life Science)
Indah Apriliana Sari
Universitas Muhammadiyah Sidoarjo
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering

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Forecasting Sales of Hex Nut Using Trend Linier Line (TLL) Methode and Monte Carlo Simulation in PT. KMS East Java Indah Apriliana Sari W.; Boy Isma P.; Rudi Nurdiansyah
Tibuana Vol 5 No 01 (2022): Tibuana
Publisher : UNIPA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/tibuana.5.01.4542.8-12

Abstract

This study presenting the result of forecasting sales of Hex Nuts between the Trend Linear Line (TLL) method and Monte Carlo Simulation. To determine the appropriate method, the Mean Average Percentage Error (MAPE) is used to evaluate theerror rate. We find that the Monte Carlo simulation outperforms the TTL method, where the MAPE value of the Monte Carlo simulation is 7,61%. Based on the result, the Monte Carlo simulation is the appropriate method to forecast the sales rate of Hex Nuts in the PT. KMS.
Optimization of Employee Workload to Achieve Effectiveness of Man Power Planning at PT. SPINDO Depo Samarinda Setya Budi; Boy Isma Putra; Athika Sidhi Cahyana; Indah Apriliana Sari W
Procedia of Engineering and Life Science Vol 1 No 2 (2021): Proceedings of the 2nd Seminar Nasional Sains 2021
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (666.217 KB) | DOI: 10.21070/pels.v1i2.1006

Abstract

Intense competition in today's industrial world requires companies to keep abreast of developments. The more years, higher the need for labor costs. To reduce high production costs, one step is to cut existing labor. By cutting the number of workers, the workload that will be borne by workers will also increase. PT. SPINDO, is a manufacturing company engaged in the production of the steel pipe industry. To expand market reach, a breakthrough was made to open a new depot located in the city of Samarinda. At the beginning of the opening along with the Covid-19 outbreak, market demand was minimal. The impact on the work load in the depot is also low. The Full Time Equivalent method is a calculation process that uses working time as a reference in determining workload. In this research, the workload value most of the employees at PT. SPINDO Depo Samarinda is included in the underload category. So that man power planning is needed by cutting the number of existing employees to balance work load and the number of manpower. After the manpower planning was carried out, the work load that was previously unbalanced was balanced because the workload had been distributed to the employees.
Forecasting Thinner Number 7 Sales Using ARIMA (Autoregressive Integrated Moving Average) Method Luhur Arif Santoso; Boy Isma Putra; Ribangun Bamban Jakaria; Indah Apriliana Sari W
Procedia of Engineering and Life Science Vol 2 No 2 (2022): Proceedings of the 4th Seminar Nasional Sains 2022
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/pels.v2i2.1281

Abstract

PT. DCN Indonesia is a paint distributor company. In the provision of paint and all devices including thinner often require a keepatan in its provider. This research is done to obtain thinner demand forecasting and determine the amount of stock that must be available in storage in order to at any time meet the impromptu demand that is one of the problems. ARIMA is a forecasting method that is suitable for such cases because it has advantages in the use of data with fluctuating patterns. The results achieved in this study got the ARIMA model (1, 0, 4) which means that the forecasting results are influenced by the results of observations one month ago san error four months ago. obtained the results of the sale of thinner of 8 liters and after going through the calculation of safety stock resulted in inventory planning calculations of 120 liters.
Co-Authors Athika Sidhi Cahyana Boy Isma P. Boy Isma Putra Luhur Arif Santoso Nurdiansyah Rudi Ribangun Bamban Jakaria Setya Budi