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All Journal Jurnal Teknik Industri J@TI (TEKNIK INDUSTRI) SPEKTRUM INDUSTRI Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik OPSI Jurnal Ilmiah Teknik Industri Journal of Environment and Sustainability Jurnal Ilmiah Teknik Industri Abdimas Altruis: Jurnal Pengabdian Kepada Masyarakat Prosiding Simposium Nasional Rekayasa Aplikasi Perancangan dan Industri Prosiding University Research Colloquium
Much Djunaidi
Jurusan Teknik Industri Universitas Muhammadiyah Surakarta
Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mechanical Engineering Medicine & Pharmacology Social Sciences Transportation Other

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Disposal Site Selection Using TOPSIS in Wonogiri District Central Java Djunaidi, Much.; Angga, Angga; Setiawan, Eko
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.v17i1.6356

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 Postur Kerja Dengan Metode Manual Task Risk Assessment (ManTRA) Pada Pembuatan Mie Sohun Pratiwi, Indah; Miftahurrohman, Miftahurrohman; Djunaidi, Much.; Suranto, Suranto
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.v17i1.6423

Abstract

One of the noodle sohun industry is located in Daleman Village, Klaten District. The process of making is done manually and using a simple tool, through 4 workstations, namely: palm sugar mill work station, palm juice cooking station, cooking station, and printing station. The purpose of the research is to find out the complaints of workers using Nordic Body Map (NBM) , the risk of work posture using the Manual Task Risk Assessment (ManTRA) method, and provide a safe solution to implement. The results of the NBM questionnaire showed that the categories with the very right shoulder pain were 36.4% and the left wrist was 36.4%. The results of the ManTRA method are: the printing work station has the highest musculoskeletal risk, while the lowest risk is on the arsenic squeeze work station.
Evaluasi Kompleksitas dan Aksesibilitas Produk Untuk Kemudahan Proses Pembongkaran Nursanti, Ida; Rahmawati, Desi; Djunaidi, Much; Anis, Muchlison
Jurnal Ilmiah Teknik Industri Vol. 17, No. 2, Desember 2018
Publisher : Program Studi Teknik Industri, Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v17i2.6815

Abstract

Water pump machines are electronic products that are widely used by the community. Because of the high frequency of use, this product is quickly damaged. In order to reduce the environmental impact, the ease of the product to be repaired or recycled needs to be improved, especially the dismantling process because it is the initial process to separate components. This study aims to evaluate the ease of dismantling a water pump machine based on the ease of component to be reached and the complexity of the component and product design. Evaluation begins by identifying the initial product design and the relationships between components needed to determine the order of possible product demolition and as an attribute of calculating complexity and accessibility indexes. The calculation results show that the complexity and accessibility idex values for each component are the same in all disassembly sequences because the product design does not allow for sub-assembly. The most complex components are mechanical seal, water reservoirs and lids beside the pump body. While the components that are most difficult to access are impellers, mechanical seals and rator covers.
Analisis Nilai Tambah Produk Olahan Ketela Ungu dan Rantai Pasok Ketela Ungu Munawir, Hafidh; Ciptaningtyas, Agprasari; Djunaidi, Much.; Setiawan, Eko
Jurnal Ilmiah Teknik Industri Vol. 17, No. 2, Desember 2018
Publisher : Program Studi Teknik Industri, Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v17i2.6875

Abstract

Value added is an indicator of the economic strength of a business. There are several ways to increase added value, namely by processing into new products, preserving, making attractive packaging, and improving the quality of a product. Most of the yield of purple cassava in the Karangnyar area is still sold in the form of raw products and has not been much processed, so the added value is still low. This study identified various processed cassava products, analyzed the added value of processed products, analyzed the added value of purple cassava supply chain and proposed the development of purple cassava. The method used to calculate the added value is the Hayami method. The results of the study showed that there were three alternatives of processed products of purple color namely bakpia, thymus and wingko. The biggest added value of processed products is wingko with an added value of Rp. 26,561 and a ratio of 64%. The highest value supply chain added is UMKM Murakabi network with an added value of Rp. 19,152 and a ratio of 70%, while the network with added value the lowest is a retailer network with an added value of Rp 6,257 and a ratio of 28%. These results indicate that the development of purple cassava business should be done by processing purple cassava in the form of wingko.
Analysis of consumer behavior and energy calculation for phase end of life on stamped batik products Djunaidi, Much.; Ayuningtyas, Dyah
Sustinere: Journal of Environment and Sustainability Vol 2 No 1 (2018): pp 1 - 64 (April 2018)
Publisher : Centre for Science and Technology, IAIN Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (676.048 KB) | DOI: 10.22515/sustinere.jes.v2i1.27

Abstract

A product will enter the end of life phase when the usage period expires. End of life recycleis divided into three categories, namely reuse, recycle, and landfills. Reuse is transferring usage rights to others to be used for the same purpose. Recycle is utilising used goods as raw materials for other products. Landfills are putting used clothing to a garbage dump site. Consumers have different tendencies to the expired product. Stamped batik as a typical product of Solo also experiences the same treatment at the end of its life. This study has the objective of reviewing the consumer behaviour toward the stamp batik and calculating the energy needed in the final product period. Simapro 3.8.0.0 sofwate was used for the analysis. Based on consumer behaviour toward the end of product life, the stamped batik user mostly transfer the function of stamped batik to cleaning cloth or recycle (48.97%). The energy needed for the recycling process of stamped batik is 3.2 kPt. The energy resources of the landfill of stamped batik are 0,085 kPt. The electrical energy used for landfills of stamped batik is  14.4 MJ per year.
Positioning household waste transfer points Setiawan, Eko; Nugrahadi, Bekti; Widiyastuti, Yesi; Djunaidi, Much; Suranto, Suranto
Sustinere: Journal of Environment and Sustainability Vol 2 No 2 (2018): pp 65-107 (August 2018)
Publisher : Centre for Science and Technology, IAIN Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (730.331 KB) | DOI: 10.22515/sustinere.jes.v2i2.41

Abstract

In response to growing importance of household waste management issue, this article deals with the positioning of household waste transfer points from a government-organized waste perspective. By taking Surakarta, a municipality in Central Java, Indonesia as an example, the problem in the municipality is formulated as an MILP, is approached with a capacity-weighted set covering method, and finally is solved by using software LINGO 11. The article concludes that the transfer point alternatives of Sondakan Kuburan, Norowangsan, SPSA, Pajang Rel, Bonoloyo and Kedung Tungkul should be selected in order to be able to serve all the household waste producers for the maximum household waste generated. On the contrary, the selection of Sondakan Kuburan, Bonoloyo and Kedung Tungkul only should be able to provide service to all of the household waste produced for the scenario of minimum amount of household waste.
PENENTUAN JUMLAH PRODUKSI DENGAN APLIKASI METODE FUZZY – MAMDANI Djunaidi, Much.; Setiawan, Eko; Andista, Fajar Whedi
Jurnal Ilmiah Teknik Industri Vol. 4, No. 2, Desember 2005
Publisher : Muhammadiyah University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v4i2.1368

Abstract

Permasalahan yang timbul di dunia ini seringkali mengandung ketidakpastian, logika fuzzy merupakan salah satu metode untuk melakukan analisis sistem yang mengandung ketidakpastian. Pada penelitian ini digunakan metode mamdani atau sering juga dikenal dengan metode Min ? Max. Perancangan sistem untuk mendapatkan output dilakukan dalam tahap ? tahap (a) pembentukan himpunan fuzzy, (b) Aplikasi fungsi implikasi, (c) membentuk aturan ? aturan, (d) penegasan (defuzzifikasi). Pada penelitian ini defuzzifikasi dilakukan  dengan menggunakan metode centroid. Pada metode ini nilai defuzzyfikasi bergerak secara halus, sehingga perubahan pada himpunan  fuzzy juga akan bergerak dengan halus. Dari hasil penelitian yang telah dilakukan, dengan memasukkan variabel input  pada bulan juli 2005, yaitu jumlah permintaan sebesar 21.945 unit dan jumlah persediaan sebesar 1.824 unit menghasilkan output jumlah produksi sebesar 20.300 unit.  
SIMULASI GROUP TECHNOLOGY SYSTEM UNTUK MEMINIMALKAN BIAYA MATERIAL HANDLING DENGAN METODE HEURISTIC Djunaidi, Much.; Nugroho, Munajat Tri; Anton, Johan
Jurnal Ilmiah Teknik Industri Vol. 4, No. 3, April 2006
Publisher : Muhammadiyah University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v4i3.1562

Abstract

Group Technology System merupakan metode pengaturan fasilitas produksi (machine groups) yang dibutuhkan untuk memproses suatu part family tertentu ke dalam sel-sel manufaktur. Pengaturan tata letak di CV. Sonytex yang berdasarkan process layout mengakibatkan perusahaan menghadapi permasalahan berupa tingginya kebutuhan material handling. Salah satu kriteria kinerja dalam pembentukan sel manufaktur pada GTS adalah meminimasi total jarak material handling, sehingga dapat mengurangi biaya material handling dan meningkatkan produktivitas. Dalam penelitian ini digunakan tiga metode, yaitu Bond Energy Algorithm (BEA), Rank Order Clustering (ROC) dan Rank Order Clustering 2 (ROC2). Hasil dari penelitian ini adalah dengan menerapkan group technology systems diperoleh total pengurangan jarak material handling sebesar 70 m dan penghematan biaya material handling sebesar Rp 1.534.978,-. Berdasarkan model simulasi, relayout dengan metode BEA meningkatkan jumlah produksi sebesar 1 unit produk/hari dan penurunan waktu tunggu sebesar 0,575 menit.
MINIMASI BIAYA PERAWATAN DENGAN MENGGUNAKAN METODE PREVENTIVE MAINTENANCE POLICY Djunaidi, Much; Bakdiyono, Eko
Jurnal Ilmiah Teknik Industri Vol. 11, No. 2, Desember 2012
Publisher : Muhammadiyah University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v11i2.926

Abstract

PT. Primatexco Indonesia merupakan perusahaan tekstil dengan produk benang tenun, kain, printing, dan waste. Di PT. Primatexco Indonesia terdapat bagian blowing yang bertugas menyuplai bahan baku untuk proses produksi. Artikel ini membahas mengenai alternatif jadwal perbaikan maupun perawatan dengan biaya terkecil untuk komponen mesin blowing. Dengan menghitung biaya perawatan untuk repair policy dan dibandingkan dengan biaya preventive maintenance policy, maka akan didapatkan jadwal perbaikan maupun perawatan yang optimal. Dari hasil perhitungan, diusulkan jadwal perawatan mengikuti kebijakan repair untuk kerusakan komponen klasifikasi A. Untuk kerusakan komponen klasifikasi B diterapkan kebijakan preventive maintenance setiap 5 bulan. Dan untuk kerusakan komponen klasifikasi C diterapkan kebijakan preventive maintenance setiap 7 bulan.
UPAYA PENINGKATAN KUALITAS LAYANAN LEMBAGA BIMBINGAN BELAJAR DENGAN QUALITY FUNCTION DEPLOYMENT (QFD) Djunaidi, Much.; Alghofari, Ahmad Kholid; Rahayu, Dwi Apriyanti
Jurnal Ilmiah Teknik Industri Vol. 5, No. 2, Desember 2006
Publisher : Muhammadiyah University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v5i2.1567

Abstract

PRIMAGAMA merupakan bimbingan belajar bagi siswa-siswi SMU atau sederajat untuk mencapai kelulusan dan dapat melanjutkan studinya keperguruan tinggi yang dikehendakinya. Banyaknya lembaga pendidikan yang bermunculan saat ini, menjadikan persaingan menjadi semakin ketat. Salah satu cara untuk memenangkan persaingan adalah dengan terus meningkatkan mutu pelayanan agar sesuai dengan harapan konsumen (siswa didik). Penelitian ini membahas penerapan metode Quality Function Deployment (QFD), yang berfungsi untuk menentukan kebutuhan pelanggan sehingga setiap area fungsional dan level organisasi / lembaga dapat bertindak terhadap layanan fungsional yang ada. Hasil dari penelitian ini adalah suatu penetapan target berdasarkan perhitungan kepentingan teknik. Setiap respon teknik dapat dijadikan sebagai masukan bagi PRIMAGAMA untuk meningkatkan kualitas pelayanannya. Respon teknik tersebut meliputi: (1) Informasi yang efektif, (2) Metode belajar yang handal, (3) Kedisiplinan tentor dalam mengajar, (4) Fasilitas penunjang yang aman dan lengkap, (5) Sarana dan prasarana belajar mengajar yang mendukung.
Co-Authors . Chodariyanti Adi, Gilang Purnama Agprasari Ciptaningtyas Ahmad Kholid Alghofari Amin Fauzan Amin Fauzan, Amin Angga . Angga Angga Angga Angga Ayuningtyas, Dyah Bekti Nugrahadi Calvin Athallaric Chairul Diah Utami Cindy Saraswati Ciptaningtyas, Agprasari Cut Baby Ayu Oktavia Desi Rahmawati Dwi Apriyanti Rahayu Dwi Apriyanti Rahayu Dwi Apriyanti Rahayu, Dwi Apriyanti Eko Bakdiyono Eko Bakdiyono, Eko Eko Setiawan Eko Setiawan Endah Setyaningsih Etika Muslimah Fajar Whedi Andista Fajar Whedi Andista, Fajar Whedi Fajrin Nurul Falah Nurul Falah Falah, Fajrin Nurul Falah Nurul Ghofari, Ahmad Kholid Al Gilang Purnama Adi Hafidh Munawir Hari Prasetyo Ida Nursanti Ika Octaviani Marzuki Ika Octaviani Marzuki, Ika Octaviani Indah Pratiwi Jamhari Jamhari Johan Anton Johan Anton, Johan M. Abdul Azis Sholeh Miftahurrohman Miftahurrohman, Miftahurrohman Muchlison Anis Mufiid, Nur Muhammad Munajat Tri Nugroho Nadari Octaviani Pahlevi Nugrahadi, Bekti Nur Muhammad Mufiid Ranis Duanda Gunari Ratnanto Fitriadi Ryantaffy, Andrew Krishna S. Suranto S. Suranto Saraswati, Cindy Setyaningsih, Endah Sholeh, M. Abdul Azis Silvano, Sendy Siti Nandiroh Solly Aryza Suranto Suranto Suranto Suranto Suranto Suranto Susanto, Tuis Syamsul Arifin Tri Hariyanto Tri Hariyanto Widiyastuti, Yesi Yesi Widiyastuti Yogi Umi Utami Yogi Umi Utami, Yogi Umi