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Budi Santoso W
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Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering

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SCHEDULING OPTIMIZATION OF KRI ASSIGNMENTS WITH BINARY INTEGER PROGRAMMING TO SECURE THE KOARMATIM SEA AREA M Agus Arif H; Budi Santoso W; Ahmadi Ahmadi; Okol S Suharyo
JOURNAL ASRO Vol 9 No 1 (2018): International Journal of ASRO
Publisher : Indonesian Naval Technology College - Sekolah Tinggi Teknologi Angkatan Laut - STTAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1394.978 KB) | DOI: 10.37875/asro.v9i1.70

Abstract

ABSTRACT Scheduling is an assignment activity related to a number of constraints, a number of events that can occur in a period of time and place or location so that the objective function as closely as possible can be fulfilled. In the hierarchy of decision making, scheduling is the last step before the start of an operation. Scheduling the assignment of KRI in Koarmatim is an interesting topic to be discussed and resolved using a mathematical method. The scheduling process of KRI assignments at Koarmatim is done to produce annual JOP / JOG. This process requires not only rapid follow-up, but also requires systematic steps. The scheduling of assignments applied by Koarmatim is currently carried out by personnel by not using mathematical calculations. The ship assignment scheduling process in this research was carried out using the Binary Integer Programming (BIP) method approach with the aim of minimizing costs and maximizing the purpose of the ship assignment. The scheduling observed was 25 ships carrying out operations for 52 weeks (1 year). The mathematical formulation of the BIP model is made up of one objective function and Three constraint functions. Then the development of the BIP model is then completed, the computer uses Excel Solver. The results obtained that the BIP model applied to scheduling KRI Koarmatim assignments is the maximum coverage area reached is 93,651,234 NM2, with an area safeguard level of 76,11 from the entire area of operating sector I to IX (1,230,442 NM2). BIP is an appropriate method to be used as a method in scheduling the assignment of KRI in Koarmatim. Keywords: Scheduling, Ship assignments, Binary Integer Programming
RAILWAY AND PORTS INTEGRATION SYSTEM AS SOLUTION OF ISLAND TRANSPORTATION PROBLEM (CASE STUDY SUMATRA ISLAND) Satrio Teguh Amandiri; Ahmadi Ahmadi; Budi Santoso W
JOURNAL ASRO Vol 9 No 1 (2018): International Journal of ASRO
Publisher : Indonesian Naval Technology College - Sekolah Tinggi Teknologi Angkatan Laut - STTAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (372.983 KB) | DOI: 10.37875/asro.v9i1.58

Abstract

ABSTRACT The quality of Transportation system is one of island economic level determinant. Railway transportation evidently more efficient than road transportation. Trans-Sumatra railway construction can be a solution for transportation problem in Sumatra Island. This analysis integrated railway and port to improve economic development in 8 provinces on Sumatra using Spanning Tree and Dijkstra algorithm. It need 1965 kilometers of railway to connect all the 8 provinces. It also generates 1518 kilometers as the distance of Malahayati Port to Panjang Port connection. This integrated system can be a breakthrough solution for Sumatra transportation problem in economic development and the Malacca Strait traffic problem. Keywords: Trans-Sumatra railway, Minimum Route, Spanning Tree Algorithm, Dijkstra, Algorithm
Co-Authors Ahmadi Ahmadi M Agus Arif H Okol S Suharyo Satrio Teguh Amandiri