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PROZIMA (Productivity, Optimization and Manufacturing System Engineering)
Published by Universitas Muhammadiyah Sidoarjo
ISSN : 25415115     EISSN : 25415115     DOI : https://doi.org/10.21070/prozima
Core Subject : Engineering,
Industrial & Manufacturing Engineering
Aim: to facilitate scholar, researchers, and teachers for publishing the original articles or review articles. Scope: Industrial Engineering included: Supply Chain Management Optimization and industry system Ergonomics Strategic Management Quality Engineering and Management Sustainability Experiment design Statistic Project Management Productivity Technology Management
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 6 Documents
 1 
Search results for , issue "Vol. 6 No. 1 (2022): Juni" : 6 Documents clear
Redesign of Railroad Stairs Using a Multi-Layer Quality Function Deployment Approach: Redesign Tangga Kereta Api Dengan Menggunakan Pendekatan Multi-Layer Quality Function Deployment Karningsih, Putu; Kusumawardani, Citra
PROZIMA (Productivity, Optimization and Manufacturing System Engineering) Vol. 6 No. 1 (2022): Juni
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/prozima.v6i1.1560

Abstract

Railway is one of the popular modes of public transportation in Indonesia, but there are conditions where length of platform does not cover the entire length of the railway coach. This causes access in and out passengers must be added with tools such as staircase. The condition of staircase that is currently available is large and heavy, so to place the staircase right at the door of the railway coach takes a longer time. The initial survey conducted on 106 passengers obtained data 34% of respondents stated that the staircase currently available are less comfortable to use, in addition 32.1% of respondents stated that the available staircases are not adequate in terms of number and physical condition. Based on this background, the study aims to redesign the staircase that according to the needs of two user they are: train passengers and Indonesian Train Service Provider by using the multi-layer Quality Function Deployment. The result of this study shows that both users agree that the design of new stair design should consider anthropometry of passengers, safety features, easy to be move during use (portable and light weight).
Product Development of Boran Rice Using the Value Engineering Method Alfirmansyah, Ahmad; Hidayat, Khoirul; M Fahkry
PROZIMA (Productivity, Optimization and Manufacturing System Engineering) Vol. 6 No. 1 (2022): Juni
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/prozima.v6i1.1561

Abstract

Boran rice is a typical food from Lamongan Regency. The hallmark of boran rice lies in its different seasonings from other cooking spices. Boran seasoning can only be found in Lamongan Regency at this time, and the method of presentation is still simple, so further product development is necessary. This study aims to determine the most critical factors and the best alternative in developing boran rice products. The method used is the Value Engineering (VE) method. Applying the Value Engineering method can help develop products with high value and low costs without compromising product quality and reliability. This study indicates that boran seasoning products have four most important factors: the level of spiciness, packaging, net weight, and viscosity. The chosen alternative with the highest value is the 1st alternative at IDR 9.349 and the value 1.106. Alternative 1 with the criteria for level 1 spiciness, PET plastic bottle packaging, net weight 250 grams with a thick viscosity level. The results of the added value analysis compared to competing products, namely boran seasoning on the market, get an added value of Rp. 4,349/package, the added value ratio is 86.98%, and the profit ratio is 46.52%.
Supply Chain Performance Improvement by Using the SCOR Method in IKM Mushroom Merang Langsa City: Perbaikan Kinerja Rantai Pasok dengan Menggunakan Metode SCOR pada IKM Jamur Merang Kota Langsa Wati, Risda; Nurlaila Handayani
PROZIMA (Productivity, Optimization and Manufacturing System Engineering) Vol. 6 No. 1 (2022): Juni
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/prozima.v6i1.1568

Abstract

Industri Kecil Menengah (IKM) Jamur Merang salah satu usaha yang memproduksi jamur merang atau yang biasa disebut Jamur Sawit yang berlokasi di gedubang jawa, Kota Langsa, yang didirikan pada tahun 2016. Permasalahan IKM Jamur Merang adalah pengelolahan supply chain, yaitu keterlambatan dalam pengiriman bibit dari pihak supplier, jadwal produksi yang terhambat, pengiriman produk jadi ke retailer tidak terjadwal dan ketidakpastian permintaan konsumen, yang berdampak pada tingkat efektifitas dan efisiensi bisnisnya.Tujuan penelitian ini adalah Mengidentifikasi dan menghitung total kinerja rantai pasok di IKM Jamur Merang.. Metode yang digunakan adalah metode Analitycal Hierarchy Proces (AHP) dan Supply Chain Operations Reference (SCOR). Berdasarkan hasil perhitungan Hasil yang di peroleh dari pengolahan data IKM Jamur Merang didapatkan total kinerja supply chain di IKM Jamur Merang adalah 51,6234. Kesimpulan dalam penelitian ini, menentukan bobot masing-masing kriteria dengan menetukan bobot level 1, menghitung rata-rata,matriks berpasangan, matriks normalisasi, pembobotan matriks normalisasi, menghitung rasio konsistensi, menghitung konsistensi Vektor, dan penentuan bobot level 2 dan menentukan total kinerja Supply Chain pada IKM Jamur Merang dengan melakukan pembobotan tingkat kepentingan tiap level menggunakan Analitycal Hierarchy Proces (AHP), menunjukkan tingkatan kinerja pada average. Kata Kunci: Analytical Hierarchy Process (AHP), Key Performance Indicator (KPI) , Supply Chain Operation Reference (SCOR). ABSTRACT Small and Medium Industry (IKM) Merang mushroom is one of the businesses that produces edible mushroom or commonly called Palm Mushroom which is located in Gedubang Jawa, Langsa City, which was established in 2016. The problem with the Merang mushroom IKM is supply chain, namely delays in the delivery of seeds from suppliers, delayed production schedules, scheduled delivery of finished products to retailers and uncertainty in consumer demand, which have an impact on the level of effectiveness and efficiency of the business. The purpose of this research is to calculate the total supply chain performance in IKM Merang. Processes (AHP) and Supply Chain Operations Reference (SCOR). Results Based on the calculation of the results obtained from the data processing of the Merang Mushroom IKM, the total supply chain performance in the Merang Mushroom IKM was 51.6234. The conclusions in this study, determine the weight of each criterion by determining the level 1 weight, calculating the average, paired matrix, normalization matrix, normalization matrix weighting matrix, calculating consistency ratio, calculating vector consistency, and level 2 weights and determining the total performance of Supply Chain on the Merang Mushroom IKM by weighting the importance of each level using the Analytical Hierarchy Process (AHP), showing the average level of performance. Keywords: Analytical Hierarchy Process (AHP), Key Performance Indicator (KPI), Supply Chain Operation Reference (SCOR).
Human Error Analysis to Minimize Work Accidents Using the HEART and SHERPA Methods at PT. Wonojati Wijoyo: Analisis Human Error untuk Meminimalkan Kecelakaan Kerja dengan Menggunakan Metode HEART dan SHERPA di PT. Wonojati Wijoyo Noventya Cahyani, Salma; Safirin, M. Tutuk; Donoriyanto, Dwi Sukma; Rahmawati, Nur
PROZIMA (Productivity, Optimization and Manufacturing System Engineering) Vol. 6 No. 1 (2022): Juni
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/prozima.v6i1.1569

Abstract

PT Wonojati Wijoyo is a company that produces furniture for export. In carrying out the production process, work accidents often occur. One of the causes is the factor of human negligence. Work accidents that have occurred include torn wounds due to being hit by a machine, legs hit by wood to make them swollen, fingers hit by machines to open wounds, fingers caught in blocks to open wounds. This study aims to determine the value of Human Error Probability (HEP) and recommend improvement strategies for activities that have the potential to cause human errors to minimize work accidents. The method used in the analysis of human error is the HEART method and the SHERPA method. The results showed that there are critical activities that have the potential for human error to occur, namely in 14 subtasks of 9 processes. The highest probability of human error is in the subtask of cutting wood plates using a circle machine with a HEP value of 0.88827 including the high category. While the lowest probability of human error is in the subtask of setting a copy machine with reference wood with a HEP value of 0.00372 including the medium category. One of the recommendations for improvement strategies to minimize work accidents is that the company needs to conduct training on K3 on a scheduled basis with an explanation of the risks that occur if you do not use Personal Protective Equipment (PPE).
Government Policy Analysis to Develop the Krian-Manyar-Gresik Toll in order to Reduce Traffic Jam using A Dynamic System Approach sukma, dwi; Nugraha, Isna; Rahmawati, Nur; Syamsiah, Yuliatin Ali; Alfani, Ahmad Mujaddid
PROZIMA (Productivity, Optimization and Manufacturing System Engineering) Vol. 6 No. 1 (2022): Juni
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/prozima.v6i1.1570

Abstract

Infrastructure development in an area, including the construction of toll roads, is aimed at developing a region and increasing the economy of the region. The construction of the toll road which is connected from Krian-Manyar-Gresik is carried out to facilitate traffic connecting the two cities. Traffic jams often occur at the link between the two cities. Congestion that occurs is usually caused by an increase in the volume of vehicles. Therefore, the construction of a toll road connecting the two cities is the best alternative. This research aimed to know government policies effectiveness in the construction of this toll road. The method used in this research is to use a dynamic system approach. From the results of the traffic simulation model design, it is found that the construction of toll roads is considered very influential and can be a way out of congestion problems. This is due to a decrease in the degree of saturation of congestion and although there is an increase from year to year, it is only slightly and not too significant. So the researchers suggest to continue the planned toll road construction project.
Analysis Inventory For Supporting Materials In Nickel Industry Using Material Requirement Planning Method Tola, Alimuddin; Vanany, Iwan
PROZIMA (Productivity, Optimization and Manufacturing System Engineering) Vol. 6 No. 1 (2022): Juni
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/prozima.v6i1.1571

Abstract

Nickel is one of the resources that is often used by humans with its use increasing from each year. In order to increase nickel production, an integrated and optimum system is needed with carrying out the production and business processes in the one of Indonessian nickel company. To achieve the objectives, system integration between the demand for nickel products and the process of supplying raw materials urgently needed to support nickel processing. Therefore, this study aims to estimate the amount of raw materials and scheduling the availability of raw materials with applying the Material Requirement Planning. Furthermore, to find out the differences in the strategy of ordering raw materials in the system. Order fulfillment strategies (lot sizing) used are level, modified level, and dynamic lot sizing. The level strategy, as the initial strategy of the company, is a strategy that uses inventory as a support with labor made steady and demand is met from inventory. Modified level strategy are formulated to adjust level ordering in dynamic time. The dynamic lot sizing is a strategy of dynamic order quantity and dynamic time order. As for the analysis. The initial level strategy ,that simulate with several equations, shows some overstock and understock condition in the nickel production and material inventory. Its resulted in higher total cost and unfulfill nickel production. The formulation of modified level strategy and dynamic lot sizing can fulfill the material demand with lower total cost.

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