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Jurnal Ilmiah Teknik Industri
Published by Universitas Muhammadiyah Surakarta
ISSN : 14126869     EISSN : 24604038     DOI : -
Core Subject : Engineering,
Industrial & Manufacturing Engineering
Jurnal Ilmiah Teknik Industri is a scientific journal that aims to participate in developing the scientific field of Industrial Engineering, contains the results of research and theoretical study from lecturers, researchers and industry practitioners. Jurnal Ilmiah Teknik Industri is administered by the Department of Industrial Engineering, Faculty of Engineering, Universitas Muhammadiyah Surakarta and published by the Muhammadiyah University Press (MUP).
Arjuna Subject : -
Articles 766 Documents
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Penyelesaian CCVRPTW Menggunakan Biased Random Key Genetic Algorithm-Populasi Degradasi Listy Avri Christiana; Hari Prasetyo
Jurnal Ilmiah Teknik Industri Vol. 16, No. 1, Juni 2017
Publisher : Department of Industrial Engineering Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v16i1.3846

Abstract

The article presents the Biased Random Key Genetic Algorithm-Population Degradation (BRKGA-PD) design for completing Capacitated Closed Vehicle Routing Problem with Time Windows (CCVRPTW) on soft drink distributions that have been studied by Sembiring (2008). The goal is to determine some closed routes in meeting consumer demand with time limits and limit the capacity of vehicles used, so the total cost of distribution is minimal. The proposed algorithm adopts the extinction of population size. BRKGA-PD is coded using Matlab programming with the best parameter setting. The resulting solution is a subrute with a minimum of distribution fee. This algorithm is compared with two other methods, namely BRKGA general and heuristic methods. The results of this study can be concluded that the BRKGA-PD method is able to improve the general BRKGA because with a time difference that is not significant can provide cost savings of Rp. 6.857,- and BRKGA-PD is better than heuristic method because it can save more cost Rp. 87.000,-.
PERANCANGAN ALAT PEMOTONG NENAS YANG ERGONOMIS UNTUK MENINGKATKAN PRODUKTIVITAS Nofirza Nofirza; Dedy Syahputra
Jurnal Ilmiah Teknik Industri Vol. 11, No. 1, Juni 2012
Publisher : Department of Industrial Engineering Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v11i1.1122

Abstract

Sentra industri keripik Nenas yang berada di Desa Kualu Nenas saat ini masih menggunakan alat pemotong nenas yang manual yaitu pisau dan papan alas dalam proses produksinya. Hal ini mengakibatkan masih tidak homogennya hasil potongan nenas, lamanya waktu yang dibutuhkan dalam pengerjaan, kurang ergonomisnya posisi pekerja pada saat melakukan aktifitasnya dan dan munculnya beberapa keluhan ketidaknyamanan dari pekerja. Penelitian ini bertujuan merancang alat pemotong nenas yang efisien dan efektif menggunakan data antropometri  seluruh pekerja. Menerapkan langkah-langkah konsep perancangan produk, penelitian ini berupaya menghasilkan sebuah alat pemotong nenas yang lebih baik dalam meningkatkan produktivitas kerja. Data antropometri yang digunakan dalam perancangan yaitu Tinggi popliteal (Tpo), Tinggi siku duduk (Tsd), Lebar telapak tangan (Ltt) dan Panjang telapak tangan (Ptt). Hasil rancangan produk pada penelitian ini kemudian diujicobakan terhadap 18 pekerja dan diperoleh hasil pengujian bahwa pemotongan nenas menggunakan hasil rancangan dapat meminimalkan waktu produksi sebesar 28.11 detik (64.08%), dan menurunkan kerusakan hasil potongan sebesar 37.36%.
Disposal Site Selection Using TOPSIS in Wonogiri District Central Java Much. Djunaidi; Angga Angga; Eko Setiawan
Jurnal Ilmiah Teknik Industri Vol. 17, No. 1, Juni 2018
Publisher : Department of Industrial Engineering Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v17i1.6356

Abstract

Currently, waste is an important issue faced by almost all countries, including Indonesia, as it can have social and environmental impacts. Waste management needs coordination between local governments and waste-generating communities. The government must provide means of final waste disposal site. At present, Wonogiri District has five disposal sites located in 5 different sub-districts of Pracimantoro, Baturetno, Ngadirojo, Slogohimo and Purwantoro. Determination of alternative final disposal site in Wonogiri District is needed for more effective and optimum waste handling. Using Technique of Order Preference method by Similiary to Ideal Solution (TOPSIS), it is proposed in this article that the Baturetno site is the best alternative for final disposal site compared to the other four sites. This article also proposes a scheme for the further processing of waste into methane gas that can be utilized by the community.
ANALISIS KINERJA PROSES LATEX DIPPING MENGGUNAKAN TEKNIK CAPABILITY PROCESS (STUDI KASUS: PT DHARMA MEDIPRO) Yona Maimury; Hendy Tannady
Jurnal Ilmiah Teknik Industri Vol. 14, No. 2, Desember 2015
Publisher : Department of Industrial Engineering Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v14i2.653

Abstract

The quality of product is reflected from the performance of its process. The most frequent issue that occurs in local company today -- is -- most company only focuses on the output regardless the process. It causes the difficulty that occurs in local company to compete with other company in global environment. One of the local companies that has their business shifting up significantly, with the great number of export target and actual export, is PT Dharma Medipro, which has many processes on the production of sphygmomanometer. One of the processes that critical to quality is latex dipping process, where the yield of this process that must be considered is the thickness of the bag component. In order to improve the process, we should first establish the measurement of process performance using capability process technique, which is one of the tools came from statistical process control method. The result indicates that the process is unstable with the value of capability indices Cp = 4,69 ; Cpk = -0,77 ; Cpu = -0,77 ; Cpl = 10,15 ; and Cpm = 0,28, moreover the number of part per million (PPM) that out of the spesification limit reach 912.500 units.
Model Penentuan Jumlah Pesanan Pada Aktifitas Supply Chain Telur Ayam Menggunakan Fuzzy Logic Sesar Husen Santosa; Agung Prayudha Hidayat
Jurnal Ilmiah Teknik Industri Vol. 18, No. 2, Desember 2019
Publisher : Department of Industrial Engineering Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v18i2.8486

Abstract

This study aims to present a fuzzy logic approach in the modeling of optimal order quantities of chicken eggs to suppliers. Determination of the number of egg orders using fuzzy logic by considering the condition of supply and demand so that the number of eggs ordered by Agent eggs is optimal so that the amount of stock in the warehouse is reduced. The variables used in developing the fuzzy set model are the price of eggs/crates, the composition of the weight of eggs in the crates, and the amount of stock of eggs in the warehouse at the time of ordering. The membership set for egg ordering uses the Triangular and Trapezoidal membership functions. The fuzzy set model produced in this study can be used as a tool for decision making in determining the optimal number of egg orders to suppliers.
ANALISIS POSTUR KERJA PADA PT. XYZ MENGGUNAKAN METODE ROSA (RAPID OFFICE STRAIN ASSESSMENT) Rosma Hani Damayanti; Irwan Iftadi; Rahmaniyah Dwi Astuti
Jurnal Ilmiah Teknik Industri Vol. 13, No. 1, Juni 2014
Publisher : Department of Industrial Engineering Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v13i1.302

Abstract

Penggunaan teknologi informasi, dimana komputer sebagai medianya kini semakin meningkat. Frekuensi yang tinggi akan penggunaan komputer yang tidak memperhatikan sisi ergonomi dalam bekerja mengakibatkan adanya resiko yang dirasakan oleh pengguna. PT. XYZ merupakan salah satu perusahaan yang menggunakan komputer sebagai salah satu alat utama dalam bekerja. Pada penggunaannya karyawan pada Departemen Publishing merasakan keluhan pada punggung, pinggang, nyeri bahu, leher dan tangan. Keluhan yang dirasakan oleh pekerja pada Departemen publishing dapat diminimalkan dengan cara mengetahui dan mengidentifikasi postur kerja pada pekerja dalam menggunakan komputer. Identifikasi tersebut digunakan untuk mengetahui kondisi pekerja dan mengetahui penyebab keluhan yang dirasakan oleh pekerja untuk dilakukan perbaikan. Pada penelitian ini dilakukan analisis dengan menggunakan metode ROSA untuk mengurangi adanya keluhan yang dirasakan oleh pekerja pada Departemen publishing. ROSA merupakan salah satu metode pada office ergonomics, dimana penilaiannnya dirancang untuk mengukur resiko yang terkait dengan penggunaan komputer serta untuk menetapkan tingkat tindakan perubahan berdasarkan laporan dari ketidaknyamanan pekerja. Dengan menggunakan metode ROSA, dapat diketahui apakah postur kerja karyawan pada Departemen Publishing pada saat bekerja aman atau berbahaya. Hasil analisis postur kerja menggunakan metode ROSA pada Departemen Publishing menunjukkan bahwa seluruh pekerja yang menjadi sampel memiliki level resiko yang tinggi dan perlu dilakukan perbaikan segera.  Perbaikan yang dapat dilakukan untuk mengurangi tingkat resiko yang dirasakan oleh pekerja yaitu dengan perbaikan fasilitas yang digunakan oleh pekerja yang sesuai dengan standar ergonomi, melakukan sosialisasi kepada pekerja tentang pentingnya ergonomi pada dunia kerja, dan sebaiknya pekerja melakukan istirahat atau peregangan otot minimal setiap tiga jam sekali.
OPTIMASI PERENCANAAN PRODUKSI DENGAN METODE GOAL PROGRAMMING Muchlison Anis; Siti Nandiroh; Agustin Dyah Utami
Jurnal Ilmiah Teknik Industri Vol. 5, No. 3, April 2007
Publisher : Department of Industrial Engineering Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v5i3.1601

Abstract

PT. NM memiliki tujuan yang ingin dicapai, antara lain memaksimalkan pendapatan penjualan, meminimalkan biaya produksi, memaksimalkan jam kerja reguler, meminimalkan jam lembur memaksimalkan utilitas mesin, dan meminimalkan biaya kualitas. Tujuan perusahaan mengandung aspek-aspek yang berbeda atau bahkan bertentangan. Untuk itu, diperlukan suatu metode yang dapat memberikan solusi optimal yang merupakan titik temu (trade-off) dari tujuan-tujuan tersebut. Metode Goal programming potensial untuk digunakan, karena mampu menyelesaikan masalah menjadi optimal dengan tujuan lebih dari satu (multi objective). Hasil penelitian menunjukkan bahwa kombinasi produk hasil optimasi goal proramming ternyata lebih menguntungkan dibanding dengan yang dilakukan perusahaan selama ini. Keuntungan perusahaan dengan solusi goal programming sebesar Rp. 528.221.207.000 sedangkan keuntungan perusahaan jika membuat produk sesuai dengan jumlah permintaan sebesar Rp. 460.368.641.000
EVALUASI DATA ANTROPOMETRI ANAK-ANAK USIA 4-6 TAHUN DI JAWA TIMUR DAN APLIKASI PADA PERANCANGAN FASILITAS BELAJAR DI SEKOLAH Linda Herawati; Theresia Amelia Pawitra
Jurnal Ilmiah Teknik Industri Vol. 12, No. 2, Desember 2013
Publisher : Department of Industrial Engineering Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v12i2.641

Abstract

Anthropometry data realy important towards learning facilities design. Comfortness and functional of table an chair have correlation with physical structure of the user. Many study for 6-18 years old in anthropometry data, but for 4-6 years old children there’s no specific anthropometry data.in this research, anthropometry data for 4-6 years old child were analyze and applied to the school facilities design. 550 children from 50 schools in East Java were measured, they consist of 259 girls and 291 boys. Average weight of the boys is 21.40kg with 9.23 standard deviation; the girls average weight is 19,91kg with 5.5 standard deviation. From the body dimension gathered from this research could be applied in desigining learning facilities, such as computer table and chair. Another body dimension also used to determine seat’s width, back support’s height, etc, considering the percentile which is appropriate for each adjustment.
Penerimaan Mutu Produk Akhir Dengan Sampling MIL STD I05D (Kasus di Percetakan Pustaka Baru Surakarta) Suranto Suranto
Jurnal Ilmiah Teknik Industri Vol. 2, No. 2, Desember 2003
Publisher : Department of Industrial Engineering Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v2i2.3360

Abstract

Tujuan dari penelitianian ini untuk mengukur spcsifikasi rnutu produk, apakah produk dalam lot dapat diterima atau tidak. Pemeriksaan dengan sampling  diharapkan mengefisienkan biaya, tenaga dan waktu. Metode penelitian ini dengan observasi dan praktek secara langsung dilapangan. Dari pengumpulan dan pengolahan data, dapat disimpulkan bahwa pemeriksaan normal, dan lemah MII. STD 1051. Kecacatan dapat diterima.   Tetapi untuk penerimaan ketat hanya 2  sampel saja yang   diterima.   Dengan demikian pihak perusahaan menggunakan penerimaan normal agar data sampel diterima. Pemeriksaan sampling jauh lebih menguntungkan daripada full   inspection,   karena   dalam segi waktu,  tenaga dan biaya dapat lebih minimal. Sehingga kelancaran produksi dapat terjaga.
Analisis Risiko Makanan Halal Di Restoran Menggunakan Metode Failure Mode and Effect Analysis Wildatus Sholichah; Iwan Vanany; Adi Soeprijanto; Moch. Khoirul Anwar; Lilik Fatmawati
Jurnal Ilmiah Teknik Industri Vol. 16, No. 2, Desember 2017
Publisher : Department of Industrial Engineering Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v16i2.4941

Abstract

The halal food served in restaurants is important for Muslim consumers and it is one of the most susceptible issues for restaurant business. Therefore, restaurant internal efforts to ensure the halal food by examining critical risks including the way to manage them become important to be execute by restaurant management. This research aims to create a model using Failure Mode and Effect Analysis (FMEA) method to identify and analyze the existing risks. Moreover, it also explains some improvement programs toward the risk management. The results of the risk identification and analysis will be determined by using Risk Priority Number (RPN). It is categorized that 7% risk event is classified as ‘very high risk’, 50% as ‘high risk’, 25% as ‘moderate risk’, and 18% considered as ‘low risk’. Furthermore, the improvement programs explained in this research are about delivery order system, packaging improvement, and also training, reward and punishment system. These programs are mainly purposed to reduce the risk with ‘high risk’ category.

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