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PENENTUAN RUTE TRANSPORTASI TERPENDEK UNTUK MEMINIMALKAN BIAYA MENGGUNAKAN METODE SAVING MATRIKS Ikfan, Noer; Masudin, Ilyas
Jurnal Ilmiah Teknik Industri Vol. 12, No. 2, Desember 2013
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

This paper presents a case study of vehicle routing problem at CV. Boang Shutlecocok which is engaged in the distribution of Shutlecock. To fulfill market demand, The company operates to transmit Shutlecock to every distributors throughout the eastern Java. Because of Shutlecock distribution is from warehouse to distributors and every distribution are quite far from the warehouse, so that causing the distribution cost incurred by CV. Boang Shuttlecock increased. In this study a method to implement VRP (Vehicle Routing Problem) based on saving matrix, in which the method will provide the shortest route to minimize costs, distance and minimizing distribution time spent by the company. Before the implementation of saving matrix method on the company, total distribution costs incurred by the company amounted to Rp.5,882,771/period, after the VRP method applied, obtained a total cost of Rp.5,239,003/period, in order to obtain the distribution cost savings per period of Rp.643,764 or approximately 10.94%.
PENGURANGAN WASTE MENGGUNAKAN PENDEKATAN LEAN MANUFACTURING Jakfar, Akhmad; Setiawan, Wahyu Eko; Masudin, Ilyas
Jurnal Ilmiah Teknik Industri Vol. 13, No. 1, Juni 2014
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

PT. XYZ is one of some cigarette companies in Indonesia. In producing cigarette, the firm requires a material named “etiket” which is produced by printing division for internal consumers of PT. XYZ. In order to produce “etiket”, there are some wastes occurred. One of wastes occurred in printing division is product defects. This paper attempts to identify wastes in the division of printing using Lean Manufacturing approach by applying Value Stream Mapping (VSM) method. The results from cause root analysis found that the problems caused the defects in production process. It shows that the most wastes occurs in the printing division are product defect and waiting time. The product defects are caused because there is no standard applied in processing the product and poor inspections by management, while the causes of waiting time wastes is because of lack of carrier and no standard in each process. The recommendation can be suggested to the company are adding some carrier (product’s transporter), creating process standard in each process. 
PENJADWALAN FLOWSHOP MENGGUNAKAN ALGORITMA NAWAZ ENSCORE HAM Masudin, Ilyas; Utama, Dana Marsetya; Susastro, Febrianto
Jurnal Ilmiah Teknik Industri Vol. 13, No. 1, Juni 2014
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

This article attempts to schedule flow shop production using Nawaz Enscore Ham (NEH) to schedule jobs machining. The objective of this paper is to minimize total makespan which could reduce total production costs. This paper is based on the case study where NEH is applied in scheduling jobs in machines and then compared with the existing machine’s scheduling. The algorithm of NEH is also used to reduce idle time of machines so that the utility or performances of the machine are maintained.  The results of NEH simulation indicate that by applying NEH algorithm to scheduling machines for 10 jobs and 5 machines can reduce 2.5 per cent or 118 minutes of completing time of jobs. It also decreases total idle time of machines about 582 minutes compared with the existing scheduling.
STORE LAYOUT FOR VIRTUAL RETAILING: A LITERATURE REVIEW Masudin, Ilyas; Fuadi, Mukhlish
Jurnal Ilmiah Teknik Industri Vol. 13, No.2, Desember 2014
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

The progress of online shopping worldwide has impacted significantly to business processes as well as customers’ behavior in shopping. Thus, research in online retailing especially in virtual store layout has been made by researchers in numerous numbers. This article attempts to explore prior research in virtual layout retails to identify the research in virtual retailing in term of the variables involved in designing the virtual store layout.
A HYBRID GENETIC ALGORITHM IMPLEMENTATION FOR VEHICLE ROUTING PROBLEM WITH TIME WINDOWS Ibrahim, Muhammad Faisal; Masudin, Ilyas; Saputro, Thomy Eko
Jurnal Ilmiah Teknik Industri Vol. 14, No. 2, Desember 2015
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

This article is related to approach development in order to determine the most appropriate route for bottled water delivery from warehouse to retail from particular boundaries such as a limit on number of vehicle, vehicle capacity, and time windows to each retail. A mathematical model of VRPTW is adopted to solve the problem. Malang is one of the drinking water production centers in Indonesia, definitely it will be difficult for the company to determine the optimal delivery route with the existing restrictions. In this research hybrid genetic algorithm is use to determine the route shipping companies with the Java programming language. After analyzing the results obtained show that the results of the implementation of hybrid genetic algorithm is better than the company actual route. Moreover, authors also analyze the effect the number of iterations for the computation time, and the influence the number of iterations for the fitness value or violation. This algorithm can be applied for the routing and the result obtained is an optimal solution
Pengambilan Keputusan Multi Kriteria: Kajian Teoritis Metode dan Pendekatan Dalam Pemilihan Pemasok Masudin, Ilyas; Ayni, Mardila Galuh Fitri
Jurnal Ilmiah Teknik Industri Vol. 17, No. 1, Juni 2018
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v17i1.5389

Abstract

This article attempts to explore and review methods and approaches in the Supplier selection process. Review of articles related to the approach in supplier selection that includes identification, evaluation and contract activities with suppliers is reviewed based on the quantitative and qualitative models conducted in this article. In this article, a discussion of supplier selection methods previously investigated by researchers is done through literature review published in several reputable journal database. 86 journal articles successfully collected and reviewed related methods and approaches used by researchers in memeilih supplier. From the results of this study can be concluded that the method of supplier selection through qualitative and quantitative approach is then subdivided into 4 categories with 18 methods discussed.
A HYBRID GENETIC ALGORITHM IMPLEMENTATION FOR VEHICLE ROUTING PROBLEM WITH TIME WINDOWS Ibrahim, Muhammad Faisal; Masudin, Ilyas; Saputro, Thomy Eko
Jurnal Ilmiah Teknik Industri Vol. 14, No. 2, Desember 2015
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v14i2.985

Abstract

This article is related to approach development in order to determine the most appropriate route for bottled water delivery from warehouse to retail from particular boundaries such as a limit on number of vehicle, vehicle capacity, and time windows to each retail. A mathematical model of VRPTW is adopted to solve the problem. Malang is one of the drinking water production centers in Indonesia, definitely it will be difficult for the company to determine the optimal delivery route with the existing restrictions. In this research hybrid genetic algorithm is use to determine the route shipping companies with the Java programming language. After analyzing the results obtained show that the results of the implementation of hybrid genetic algorithm is better than the company actual route. Moreover, authors also analyze the effect the number of iterations for the computation time, and the influence the number of iterations for the fitness value or violation. This algorithm can be applied for the routing and the result obtained is an optimal solution
PENGURANGAN WASTE MENGGUNAKAN PENDEKATAN LEAN MANUFACTURING Jakfar, Akhmad; Setiawan, Wahyu Eko; Masudin, Ilyas
Jurnal Ilmiah Teknik Industri Vol. 13, No. 1, Juni 2014
Publisher : Muhammadiyah University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v13i1.320

Abstract

PT. XYZ is one of some cigarette companies in Indonesia. In producing cigarette, the firm requires a material named ?etiket? which is produced by printing division for internal consumers of PT. XYZ. In order to produce ?etiket?, there are some wastes occurred. One of wastes occurred in printing division is product defects. This paper attempts to identify wastes in the division of printing using Lean Manufacturing approach by applying Value Stream Mapping (VSM) method. The results from cause root analysis found that the problems caused the defects in production process. It shows that the most wastes occurs in the printing division are product defect and waiting time. The product defects are caused because there is no standard applied in processing the product and poor inspections by management, while the causes of waiting time wastes is because of lack of carrier and no standard in each process. The recommendation can be suggested to the company are adding some carrier (product?s transporter), creating process standard in each process. 
PENJADWALAN FLOWSHOP MENGGUNAKAN ALGORITMA NAWAZ ENSCORE HAM Masudin, Ilyas; Utama, Dana Marsetya; Susastro, Febrianto
Jurnal Ilmiah Teknik Industri Vol. 13, No. 1, Juni 2014
Publisher : Muhammadiyah University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v13i1.321

Abstract

This article attempts to schedule flow shop production using Nawaz Enscore Ham (NEH) to schedule jobs machining. The objective of this paper is to minimize total makespan which could reduce total production costs. This paper is based on the case study where NEH is applied in scheduling jobs in machines and then compared with the existing machine?s scheduling. The algorithm of NEH is also used to reduce idle time of machines so that the utility or performances of the machine are maintained.  The results of NEH simulation indicate that by applying NEH algorithm to scheduling machines for 10 jobs and 5 machines can reduce 2.5 per cent or 118 minutes of completing time of jobs. It also decreases total idle time of machines about 582 minutes compared with the existing scheduling.
STORE LAYOUT FOR VIRTUAL RETAILING: A LITERATURE REVIEW Masudin, Ilyas; Fuadi, Mukhlish
Jurnal Ilmiah Teknik Industri Vol. 13, No.2, Desember 2014
Publisher : Muhammadiyah University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v13i2.632

Abstract

The progress of online shopping worldwide has impacted significantly to business processes as well as customers? behavior in shopping. Thus, research in online retailing especially in virtual store layout has been made by researchers in numerous numbers. This article attempts to explore prior research in virtual layout retails to identify the research in virtual retailing in term of the variables involved in designing the virtual store layout.