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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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PERAMALAN BEBAN LISTRIK JANGKA MENENGAH PADA SISTEM KELISTRIKAN KOTA SAMARINDA Muslimin Muslimin
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.v14i2.677

Abstract

Demand of electric power in Samarinda continuously increasing in line with development of Samarinda city. To fill the demand of electricity in the future at a certain period, it is necessary to know precisely the demand for electricity in the certain period. This research has been carried out mid-term electric load forecasting electricity system in Samarinda using Artificial Neural Network (ANN). This method is an excellent method for finding non-linear relationship between load with economic factors are varied, and can make adjustments to the changes.The result of this study indicates that the selection of parameters such as the learning method, the number of neurons, hidden layer and influence the accuracy of forecasting the electrical load. From the results of electric power load forecasting medium term Samarinda MSE values obtained by 6,9134E + 03, using the parameters training and network configuration [7-70-1]. Retrieved peak load in 2020 amounted to 741 MW, close to the electrical plan of PT. PLN (Persero) amounting to 718 MW. In the electricity load forecasting is well known that the annual burden will increase.
Optimasi Rute Pengangkutan Sampah Kota Yogyakarta Menggunakan Hybrid Genetic Algorithm Ekky Armandi; Annie Purwani; Utaminingsih Linarti
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.v18i2.8744

Abstract

The increasing population in Yogyakarta City has implications for consumption and solid waste production activities. The waste collection process is the most expensive one in municipal waste management. It is necessary to determine the optimal route for municipal waste collection. In this research, we developed a vehicle routing problem (VRP) with a heterogeneous fleet, multiple trips, intermediate facility, and split delivery to approach the Yogyakarta City waste collection problem. We proposed a hybrid genetic algorithm (GA) to solve the VRP. The result of this study shows that developed VRP can be used to solve the Yogyakarta City waste collection problem.
PENGARUH PERLAKUAN ALKALI, FRAKSI VOLUME SERAT, DAN PANJANG SERAT TERHADAP KEKUATAN TARIK KOMPOSIT SERAT SABUT KELAPA - POLYESTER Yudha Yoga Pratama; R. Hari Setyanto; Ilham Priadythama
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.v13i1.304

Abstract

Production of wood in Indonesia is no longer able to meet their need, which is opening an opportunity for study in material alternatives. Coconut fiber is very potential material for wood replacement composite, since its availability is abundant and its utilization is still low. Meanwhile, some factors have been studied as single affecting variable for natural fiber composite. The objective of this study is to evaluate the influence factors of alkali treatment, fiber length, fiber volume fraction and interaction between factors on the tensile strenght of coco-fiber polyester composite. 108 pieces of composites have been prepared as speciments of tensile test which comply ASTM D 638 standard. The testing result was processed using  completely randomized full  factorial experiment. The experiment showed significant difference for all three factors. The highest value of tensile strenght is 22.57 MPa for 2 hours alkali treatment, 10 mm fiber length and fiber volume fraction of 35%. This value has met the standard minimum tensile strength of hardboard according to ANSI A135.4 2004.
PERANCANGAN SISTEM PENILAIAN KINERJA DI STT ADISUTJIPTO SEBAGAI PENDUKUNG SISTEM PENJAMINAN MUTU Yasrin Zabidi
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.v5i3.1602

Abstract

Sekolah Tinggi Teknologi Adisutjipto (STTA) sebagai sebuah perguruan tinggi yang baru terbentuk sangatlah perlu untuk membentuk Sistem Pengukuran Kinerja (SPK) demi terciptanya visi dan misi. SPK yang baik haruslah terintegrasi untuk semua unit dan aktivitas di perguruan tinggi. Indikator kinerja yang terbentuk tidak hanya berupa indikator kinerja finansial (keuangan) tetapi juga indikator kinerja nonfinansial. Oleh karena itu peneliti mencoba merancang sistem pengukuran kinerja dengan melibatkan indikator kinerja finansial dan nonfinansial. Prores perancangan SPK menggunakan model Balanced Scorecard , yaitu keseimbangan antara finansial dan nonfinansial dengan didasarkan pada langkah-langkah (framework) yaitu penetapan arsitek pengukuran, penentuan tujuan strategis (strategic objectives) dari masing-masing perspektif (finansial, pelanggan, proses bisnis internal, belajar dan tumbuh), penentuan Key Performance Indicators (KPI) dan penentuan target. Indikator-indikator kinerja (key performance indicators) yang terbentuk dalam penelitian ini ada 45 indikator kinerja. Untuk melakukan penilaian kinerja adalah menggunakan lembar kerja pengukuran kinerja yang dirancang sedemikian rupa sehingga dapat memberikan gambaran mengenai kinerja.
IMPLEMENTASI DISTRIBUSI REQUIREMENT PLANNING DAN SAVING MATRIX UNTUK MEMINIMASI TOTAL BIAYA DISTRIBUSI DI INDUSTRI BAHAN KIMIA Johan Oscar Ong; Arianto Saraka
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.v12i2.642

Abstract

Planning and scheduling of the distribution of goods in PT. Senatama Laboranusa are not well coordinated, so the demand for each product is out of control, which results in deficiency or excess of inventories in both of the factories and each warehouse. This problem will affect the distribution cost incurred by the company. In this study, the distribution data process is done by using Distribution Requirement Planning method and route distribution processing by using Saving Matrix, in which both of these methods can group the delivery schedule and flow of distribution route regularly. PO Release, which contains time, order amount of each area, and lot size EOQ (Economic Order Quantity) method used; will be generated from the calculation of DRP. From the calculation of Saving Matrix, route order sequence is applied by using Nearest Neighbor method. After the implementation of Distribution Requirement Planning, the cost reduction resulted is 29.75% and the difference in distance after the application of Saving Matrix is 983.3 Km. With a good distribution activity planning and scheduling, the success rate in meeting the customer demand would be more optimal, while sales performance increases in fulfilling orders in a timely manner and  appropriate amount, hence the distribution costs can be kept as minimum as possible.
ANALISIS FAKTOR YANG MEMPENGARUHI MAHASISWA KULIAH DI JURUSAN TEKNIK INDUSTRI UMS Suranto Suranto
Jurnal Ilmiah Teknik Industri Vol. 2, No. 3, April 2004
Publisher : Department of Industrial Engineering Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v2i3.3362

Abstract

Maksud penelitian ini untuk mengevaluasi minat mahasiswa mengikuti kuliah di Jurusan Teknik Industri UMS.  Dari penelitian ini dihasilkan manfaat,   tentang penentuan kebijakan  pimpinan untuk meningkatkan kinerja dan factor yang mempengaruhi para mahasiswa mengikuti kuliah di Jurusan Teknik Industrt UMS. Metode yang di terapkan dalam penelitian ini adalah metode angket dan wawancara.  Penelitian ini menggunakan teknik stratified random  sampling, sehingga yang  menjadi responden dalam penelitian in iadalah sebagian mahasiswa di Jurusan Teknik Industri UMS.Uji yang digunakan adalah validitas angket, reliabilitas angket, uji scoring (pembobotan)  dandiagram relation. Sampel  yang digunakan keseluruhannya,  dalam penelitianini sejumlah 40 mahasiswa dari semester  dua, empat, enam dan delapan. Butir angket sejumlah 15 item pertanyaan yang  diisi secara tertutup,  digunakan untuk menguji validitas angket dan reliabilitas angket. Angket yang digunakan adalah angket terpakai. Setelah itu dilanjutkan dengan angket terbuka,   digunakan untuk mengetahui factor terbesar yang   mempengaruhi minat mahasiswa kuliah di Jurusan Teknik Industri. Berdasarkan hasil uji validitas angket ternyata 15 item pertanyaan valid dan reliable.  Berdasarkan penelitian didapat bahwa yang menyebabkan mahasiswa berminat kuliah di Jurusan Teknik Industri UMS Surakarta  ada 15 faktor bebas. Diantara 15 variabel tersebut ada 5 variabel yang menjadi prioritas utama yang sangat penting untuk diperhatikan sebagai daya tarik tersendiri, yaitu Tidak diterima UMPTN[8,4%], Prospek Program  Stud [7,6%],  Lokasi Yang Strategis [7,3%],   Pembayaran  Dapat Diangsur [7.2%] dan Biaya Studi Yang Ringan [7,0%]. Adapun sepuluh variable yang lain menjadi bahan evaluasi diri sehingga dapat ditingkatkan kinerjanya.  Adapun sepuluh variable tersebut adalah Kualitas dosen (6,9%), Fasilitas Ruang Kuliah (6,8%), Kurikulum Yang bersaing (6,7%), Pembelajaran (6,7%), Sistem penilaian (6,./%). Kondisi Gedung (5,9%), Dosen Studi Lanjut (5,4%), Lingkungan, Visi dan Misi Jurusan harus diperbaiki (5,./%), Kegiatan UKM harus ditingkatkan (5,1%).
Analisis Aktivitas Otot Dengan Perbedaan Jenis Kelamin Pada Postur Tangan Menggunakan Surface Electromyography Indah Pratiwi; Purnomo Purnomo; Rini Dharmastiti; Lientje Setyawati
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.v16i2.5207

Abstract

This study aims to analyze the muscle activity in the upper body of the hand posture. Measurements are made when the workers perform the activities of making pottery in a sitting position. Measurements use surface electromyography and differentiate sex between men and women. The research steps were: (1) worker capture resulted in ten postures, (2) determination of muscle influences, namely: extensor carpi radialis muscle, extensor carpi ulnar muscle, extensor of the wrist muscle, biceps brachii muscle, flexor carpi radialis muscle, and (5) calculate using root mean square (RMS) and RMS value index RMS value and deviation index RMS value of male - higher than women in each muscle and in every posture.
PENINGKATAN KUALITAS JARINGAN KOMUNIKASI SEKTOR INDUSTRI DENGAN INTELLIGENT NETWORK SEBAGAI UPAYA PERLUASAN DAERAH PEMASARAN Haryanto Haryanto; Siti Nandiroh
Jurnal Ilmiah Teknik Industri Vol. 4, No.1, Agustus 2005
Publisher : Department of Industrial Engineering Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v4i1.1294

Abstract

Satu hal yang paling penting dalam upaya peningkatan profit adalah dengan penambahan dan perluasan daerah pemasaran, serta adanya sistem informasi yang terpadu dari pusat ke tiap unit yang dimiliki. Perluasan daerah pemasaran dapat diwujudkan dengan adanya sistem telekomunikasi yang lancar dan dapat menjangkau di tiap daerah yang akan dijadikan sebagai daerah pemasaran. Sehingga hal ini diharapkan tidak akan menghambat proses pendistribusian produk maupun informasi dari tiap daerah tujuan. Intelligent Network (Jaringan Cerdas) adalah suatu arsitektur jaringan telekomunikasi yang memiliki tujuan untuk memberikan framework sehingga kerja dari jaringan untuk implementasi, kontrol, dan management menjadi lebih efektif serta lebih ekonomis, dan lebih cepat proses kerjanya dibandingkan arsitektur jaringan yang digunakan saat ini. Untuk meningkatkan kualitas jaringan komunikasi memerlukan infrastruktur yang memadai. Tidak luput dari standar mengenai spesifikasi yang menyangkut mobile system yang akan digunakan. Sehingga perkembangan suatu teknologi akan dapat berefek terjangkaunya komunikasi di daerah-daerah yang terisolasi, sehingga meningkatkan perkembangan daerah tersebut, bahkan tidak menutup kemungkinan dengan adanya peningkatan jaringan komunikasi di daerah maka akan memunculkan daerah-daerah sentra produksi di bidang industri. Peningkatan mobilitas komponen usaha yang tidak diperkirakan sebelumnya, semakin menuntut kemampuan sistem jaringan komunikasi dan data, serta pengembangan jenis-jenis pelanggan baru. Dengan adanya peranan Intelligent Network sebagai konsep arsitektur jaringan, maka akan mendapatkan solusi yang lebih baik untuk memenuhi segala kebutuhan.
Evaluasi Layanan Taksi Menggunakan Agen Based Modeling (ABM) Silvi Istiqomah; Y Yuniaristanto; I Wayan Suletra
Jurnal Ilmiah Teknik Industri Vol. 18, No. 1, Juni 2019
Publisher : Department of Industrial Engineering Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v18i1.7227

Abstract

Taxi services involve the number of taxi and demand. A balance is needed for operated taxi and demand, so that the number of canceled order decreases. This system involves taxi and consumers as agents with various behaviors from their agents, then solved using modeling methods. Agent-based modeling is a feasible method used in this study because it can accommodate the properties and attributes of each agent. From the scenario that has been done, the average number of good fleets to operate is 103 fleets, with the canceled order rate is 1.2% and this model proves that the number of operated taxi is sensitive to the number of requests that exist.
Workload Analysis Using Work Sampling and NASA-TLX for Employee of Private University in Surabaya Wiwin Widiasih; Hilyatun Nuha
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.v18i2.8247

Abstract

Employees are valuable asset in an organization. The organization can be defined as two types namely a profit or nonprofit company, and government institution. Employees as a capital human for these organization have big roles for performance measurement. Performance measurement of employee is used to determine whether the worker has been working efficient or not. Workload analysis is defined as analysis of a set or number of activities that must be completed by an organizational unit or position holder within a certain period of time. In this research, it will show employee workload analysis using two approaches in order to complete each other. Firstly, work sampling method was used to determine workload in physically. Secondly, NASA-TLX was utilized to analyze workload in mentally. Pareto method will also take a part for analysis the research result to be more comprehensive. This research has conducted in an East Java’s University-Indonesia. The respondents are employees who have each job description to do their work in each position. The employee’s workload will be calculated both physical and mental. From 25 position observed, show the job position who has strategic characteristic mostly have very high mental workload whereas the job position who has operational characteristic mostly have high physical workload

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