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All Journal Industrika : Jurnal Ilmiah Teknik Industri Signal and Image Processing Letters
Alqorni, Wais
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Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering

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Analisis Penentuan Distribusi Center Alat Bantu Dengar di PT. Nobel Jaya Mandiri Menggunakan Metode Pusat Gravitasi (Center of Gravity) Alqorni, Wais; Murnawan, Hery
Industrika : Jurnal Ilmiah Teknik Industri Vol. 8 No. 3 (2024): Industrika: Jurnal Ilmiah Teknik Industri
Publisher : Fakultas Teknik Universitas Tulang Bawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37090/indstrk.v8i3.1548

Abstract

Nobel Jaya Mandiri is a company engaged in hearing labs and sales of assistive devices under the brand name Nobel Audiology which has 32 branches throughout Indonesia, one of which is located in Surabaya. Currently, the company plans to open another new branch in the Surabaya area to provide optimal service. In 2023, there will be 793 new customers domiciled in Surabaya, meaning that 0.03% of Surabaya people experience hearing problems. Therefore PT. Nobel Jaya Mandiri will improve location services by calculating using the center of gravity method, ranking procedure, investment analysis, and risk management. The candidate for the new branch is RS. Mayapada Surabaya(18.793.8 Km ,Rp.131.178.600) investment cost Rp. 52.473.000 with high risk. Mitra Keluarga Satelit Surabaya Hospital (21,602.7 km, Rp.151,218,900) investment cost Rp.28,473,000 with high risk and Ruka in VBM area (18,735.6 km, Rp.131,149.200) investment cost Rp. 137,473,000 with low risk. so the company chose Ruko Villa Bukit Mas because of the consideration of good center of gravity results with a large enough investment but minimal risk. Keywords: Investment, Location, Methode gravity, Risk
Application of Genetic Algorithms for Multiple Traveling Salesman Problems: A Case Study of Distribution of Sacrificial Animal Meat at the Islamic Center in Mataram City Alqorni, Wais; Prahara, Adhi
Signal and Image Processing Letters Vol 4, No 1 (2022)
Publisher : Association for Scientific Computing Electrical and Engineering (ASCEE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31763/simple.v4i1.31

Abstract

Islamic Center of Mataram is the center of Islamic religious activities. On Eid al-Adha and Tasyrik Day, animals are slaughtered. The average amount of animal meat that will be distributed annually is 7500 Kg of raw meat where will be distributed to 9 (nine) urban villages in Mataram City. In distributing the meat of the sacrificial animal, they only have limited time and staff, which is only done on 3 days of Tasyrik or sometimes only 2 days because the slaughtering is not carried out immediately after Eid prayer. Distribution starts from 12.00 - 16.00 every day. To help the problem of the distribution process, known as the Multiple Traveling Salesman Problem, the author uses a genetic algorithm to solve the problem. To build a software to implement Genetic Algorithm on the M-TSP problem in the distribution of sacrificial animal meat, several stages are carried out, starting from collecting data used to apply genetic algorithms, designing display prototypes and features to be able to process the data that has been collected, stages of system coding become a web-based system and finally testing the system that has been made. By implementing officer data and distribution locations which will then be tested using one of algorithms, namely the Genetic Algorithm. The accuracy and efficiency of the total distance that will be taken in making a distribution route using this algorithm where calculation is carried out by finding the largest fitness value from several kromosomal populations that are generated after going through crossover process and gene mutations on each kromosome. The result from this system tests with different method are 100% from using a black box, and 81.7 from using SUS testing which is classified as good. The best average fitness value resulting from testing the distribution system of sacrificial animal meat using the number of chromosomes 9 as many as 5 experiments using the number of generations 3, and the crossover parameter = 40% and mutation = 40% which is 0.045 with a total distance of 22.33 km. The design of this system is very useful for the administrators Islamic Center of Mataram ta'mir as a reference in determining optimal route in process of distributing sacrificial animal meat as well as for authors in applying the scientific theory they have.
Co-Authors Adhi Prahara, Adhi Hery Murnawan, Hery