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All Journal Rechtsidee Unram Law Review Syntax Idea Jurnal Syntax Transformation PENGARUH SISTEM KEUANGAN DAN KEBIJAKAN MONETER TERHADAP PERTUMBUHAN EKONOMI PADA ERA ORDE BARU DALAM PERSPEKTIF EKONOMI ISLAM Journal Of World Science Jurnal Locus Penelitian dan Pengabdian
Erifendi Churniawan
Politeknik Perkeretaapian Indonesia Madiun
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Law, Crime, Criminology & Criminal Justice Mathematics Social Sciences

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Journal : Journal Of World Science

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Analysis of Train Travel Patterns Case Study of Bogor Double Track Construction - Sukabumi Ahmad Ependi; Erifendi Churniawan
Journal of World Science Vol. 2 No. 1 (2023): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v2i1.128

Abstract

In this study the aim is to analyze the problem of train travel that occurs with the change from single track to double track as well as changes in the layout of the emplacements, which increase the frequency of passenger and freight train trips. The data used in this study are primary and secondary. Primary data includes existing data on the Bogor-Sukabumi operation pattern obtained by interviewing West Java BTP and KAI employees. Secondary data includes data on train star formation, the type and number of trains, signal service time, and the speed of passenger and freight trains. In the planning of road plots in the Detailed Design of Double Tracks Between Bogor - Cigombong, it is not directly affected by traffic capacity. This is because road plots can be divided into several block plots, which is very different from the single-lane system. To reduce Headway or the same as to increase traffic capacity, simply by adding IB (Intermediate Block) between the distances of AB stations (AB (km) S) in the formula, if 1 (one) IB is installed, then the distance of the road plot is divided by two, if 2 (two) IBs are installed, then the distance of the road plot is divided by three and so on. The analysis  study of operational patterns on the Bogor-Sukabumi line shows that with the plan to increase the frequency of trains and the construction of a double track, there will be a decrease in the Headway from 10.38 to 7.1.
Forecasting the Number of Jogja-Solo KRL Passengers with the Gray Method (1,1), Moving Average and Exponential Smoothing Sapto Priyanto; Erifendi Churniawan; Dhina Setyo Oktaria; Endras Setyo Darmawan
Journal of World Science Vol. 2 No. 1 (2023): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v2i1.130

Abstract

The development of the Jogja Solo railway transportation, one of which is the electrification of the railway line. This electrification will increase the capacity of the number of passengers because it can cut travel time so that there will be more and more trips. The government's plan to extend the electrification of the KRL line to Kulonprogo and Madiun is an opportunity for growth in the number of Jogja Solo KRL passengers. This study aims to find the best forecasting model for the number of KRL Jogja Solo passengers among short-term forecasting models. The forecasting method used is the Gray Method (1.1), Moving Average and Exponential Smoothing. Furthermore, based on the forecasting results of each method, the error rate will be sought based on the MAPE, MAD and MSD values. The error prediction value among the three selected methods, namely Gray (1,1), second-order moving average and single exponential smoothing, the results obtained from the single exponential smoothing method have the slightest error value compared to the others. So, this method is the best method chosen to predict the number of Jogja Solo KRL passengers. The single exponential smoothing method is the best forecasting method because it has the mirror value, namely MAPE of 51, MAD of 50,308 and MSD of 3,891,632,651. The prediction results for the 14th-period passengers obtained a result of 202,067 people. The prediction results for the 14th-period passengers obtained a result of 202,067 people.
Co-Authors Ahmad Ependi Ainun Fikria Atik Siti Kuswati Dhina Setyo Oktaria Edi Nyoto Marsusiadi Endras Setyo Darmawan Farid Hafifuddin Huda Handoko U M. Nurhadi Sapto Priyanto