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PERFORMA : Media Ilmiah Teknik Industri

performa
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Published by Universitas Sebelas Maret

ISSN : 14128624 EISSN : 26206412 DOI : https://doi.org/10.20961/performa

Core Subject : Engineering,

Engineering Industrial & Manufacturing Engineering

PERFORMA : Media Ilmiah Teknik Industri merupakan jurnal teknik industri yang menyajikan artikel orisinil pada bidang teknik dan manajemen industri. Tema naskah yang diterbitkan mencakup: Manufacturing System, Operation Research, Product Design and Development, Manufacturing Technology, Work Study, Ergonomic, Logistic System, Business System, Quality and Reliability Engineering, Information System and Knowledge Management, System Modelling, Small-medium Enterprise Optimization, Public Sector Optimization, and Industrial Engineering Education . Naskah yang dimuat dapat berupa hasil penelitian, analisis, kajian ilmiah, opini, dan makalah teknik.

Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur

Articles 10 Documents

Search results for , issue "Vol 17, No 1 (2018): PERFORMA Vol. 17, No 1 Maret 2018" : 10 Documents clear

Evaluasi Kinerja Bagan Kendali Fm Pada Proses Short-Run Darmanto Darmanto
Performa: Media Ilmiah Teknik Industri Vol 17, No 1 (2018): PERFORMA Vol. 17, No 1 Maret 2018
Publisher : Industrial Engineering, Faculty of Engineering, Universitas Sebelas Maret

The manufacturing production process that is currently trend is short-run. Short-run process is a job shop and a just in-time. These causes the process parameters to be unknown due to unavailability of data and generally a small amount of product. The control chart is one of the control charts which designed for the short run. The procedure of the control chart follows the concept of succesive difference and under the assumption of the multivariate Normal distribution. The sensitivity level of a control chart is evaluated based on the average run length (ARL) value. In this study, the ARL value was calculated based on the shift simulation of the average vector by recording the first m-point out of the control limits. The average vector shift simulation of the target () is performed simultaneously with the properties of a positive shift (=+ δ). Variations of data size and many variables in this study were m = 20, 50 and p = 2, 4, 8, respectively. Each scheme (a combination of δ, m and p) is iterated 250,000 times. The simulation results show that for all schemes when both parameters are known ARL0 ≈ 370. But, when parameters are unknown, ARL1 turn to smaller. This conclusion also implied when the number of p and n are increased, it reduce the sensitivity of the control chart.

Potensi Penggunaan Media Sosial Bagi UKM Sari Wulandari; Nurdinintya Athari Supratman
Performa: Media Ilmiah Teknik Industri Vol 17, No 1 (2018): PERFORMA Vol. 17, No 1 Maret 2018
Publisher : Industrial Engineering, Faculty of Engineering, Universitas Sebelas Maret

Social media is not only a social network that facilitates social interaction, but social media becomes an effective medium used by consumers and companies. Consumers use social media to find products information, while companies use social media to communicate with their customers. Social media becomes a powerful tool for companies to reach their customers and create sales. Social media allows SMEs to compete with large companies by increasing brand awareness of their products. Many new SMEs have emerged using social media, but the use of social media is not optimal. Its because SME lack of understanding of how social media is used in an organization. Therefore, research is conducted to investigate the potential use of social media on SMEs. Qualitative method is used as data collection method by conducting interview to 15 SMEs. Qualitative data then convert to affinity diagram. Based on the affinity diagram, it can be known how SMEs use social media. The results showed that most SMEs only use social media as promotion and sales tool. Some SMEs do not manage social media properly, such as inconsistencies in updating content of social media. A few SMEs use social media as an effective marketing tool such as profiling potential customers, measuring the impact of promotion and maintaining long-term customers relationships

Penilaian Postur Kerja Menggunakan Metode Quick Exposure Checklist (QEC) di IKM Tahu Sari Murni Dian Pambayung; Bambang Suhardi; Rahmaniyah Dwi Astuti
Performa: Media Ilmiah Teknik Industri Vol 17, No 1 (2018): PERFORMA Vol. 17, No 1 Maret 2018
Publisher : Industrial Engineering, Faculty of Engineering, Universitas Sebelas Maret

Working in a standing position consumes energy by 10% -15% compared to work done in a sitting position. If the posture stays for a prolonged period, then the health of the worker may be disrupted and affect production activity.IKM (Small and Medium Industry) Tahu Sari Murni is one of the tofu processing industries located in Krajan RT.03 / RW.03 Mojosongo, Surakarta. All workers, working on a standing position with awkward posture such as lifting, bending, and standing for 7-8 hours. Therefore, an awkward posture risk assessment using the QEC method needs to be done to determine the occupational risks faced by the worker.The results show that only the soybeans washing station that categorized at the "safe" level while the other six stations are at level 3 which means it needs improvement because workers also have musculo sceletal disorder in the upper body

Perancangan Ulang Kursi Roda Manual Menggunakan Kriteria Standar ISO 7176-5 Ayu Anggit Pradita; Ilham Priadythama; Susy Susmartini
Performa: Media Ilmiah Teknik Industri Vol 17, No 1 (2018): PERFORMA Vol. 17, No 1 Maret 2018
Publisher : Industrial Engineering, Faculty of Engineering, Universitas Sebelas Maret

In Indonesia, the Ministry of Health of the Republic of Indonesia (2014) states that the percentage of persons with disabilities who have limitation in walking and climbing up the stairs are 10.26% from the total of disable people. Currently, the equipment which is used frequently is wheelchair, nevertheless, the availability of the wheelchair that fulfill the standard of ISO 7176-5 still deeply limited because it’s pricey and should be imported. In Indonesia, the distributed wheelchair which competes in the commercial market is dominated by Chinese product and some local makers. The purpose of the research is to redesign manual wheelchairs which fulfill the criteria ISO 7176-5. The research is using ISO 7176-5 as a reference design to redesign the main frames of initial wheelchair. The research is begun by comparing and observing 2 types of wheelchairs A and B in commercial market. The 2 wheelchairs (A and B) are measured and compared based on the ISO 176-5 dimension which consists of 27 items. From the measurement and comparison, the wheelchair A is chosen as referenced design because they have more adjustment amount. After that, the dimensions of wheelchair A will be adjusted to ISO 7176-5 and will be tested with Autodesk Inventor software to determine the strength of the main frames. The conclusion of the research is that the result of the suggested frame consist of displacement, von misses stress and safety factor which is revealed as safe. In addition, the dimension of the suggested wheelchair fulfill ISO 7176-5 which guarantees safety and comfort for the users.

Penentuan Waktu antar Pemesanan Optimal untuk Model Persediaan Probabilistik Multi-Item dengan All-Units Discount dan Kendala Kapasitas Gudang Koswara, Handi; Lesmono, Dharma
Performa: Media Ilmiah Teknik Industri Vol 17, No 1 (2018): PERFORMA Vol. 17, No 1 Maret 2018
Publisher : Program Studi Teknik Industri, Universitas Sebelas Maret

A good inventory management becomes crucial for a company since it is related to some inventory costs. In managing inventory, in general we need to determine the optimal order quantity and the optimal time to order. In some cases, when supplier offers discount, a company tends to accept this offer although it needs to consider its storage capacity. In this paper, we develop a multi-item probabilistic inventory model with all-units discount and storage space restriction. We employed the Kuhn-Tucker Conditions to find the optimal order policy. From the numerical experiments, we found that when the storage capacity increases then the optimal time to order and the optimal quantity increase but the total cost decreases.

Formulasi Strategi Pemasaran Sepatu Piezoelektrik dengan Menggunakan Pendekatan Riset Kualitatif dan Kuantitatif Fathkia Mutiara Khalila; Hasrini Sari
Performa: Media Ilmiah Teknik Industri Vol 17, No 1 (2018): PERFORMA Vol. 17, No 1 Maret 2018
Publisher : Industrial Engineering Study Program, Faculty of Engineering, Universitas Sebelas Maret

Nowadays, battery as power source plays such a vital role but its capacity is not enough to match various features that demand quite a lot of energy and time. This research is intended to investigate the commercialization aspect of piezoelectric material for harvesting energy. This material can produce electrical charge given a mechanical tension. The combination of piezoelectric and shoe as step-on media can produce energy. The potential market for the product is investigated using qualitative research. Diffusion of Innovation Model is used as segmentation base. Next, target market is selected by evaluating each segment based on market and technology criteria using quantitave study. The result of this research showed 3 customer segments but only 1 segment is selected as target market by using concentrated marketing strategy. Based on the special characteristics and behaviors owned by the target market, a marketing program is developed to serve them.

Penerapan Bagan Kendali Multivariat Robust Pada Data Produksi Pupuk ZK PT Petrokimia Gresik Darmanto Darmanto; Heni Kusdarwati; Atiek Iriany; Iwan Setiawan; Ayu Aisyah Ashari
Performa: Media Ilmiah Teknik Industri Vol 17, No 1 (2018): PERFORMA Vol. 17, No 1 Maret 2018
Publisher : Industrial Engineering Study Program, Faculty of Engineering, Universitas Sebelas Maret

PT Petrokimia Gresik is the most complete fertilizer producer in Indonesia and one of its production is ZK fertilizer. There are five measurable chemicals that correlate to form ZK fertilizer ie H2O, H2SO4, K2O, SO3 and Cl-. ZK fertilizer monitoring process has not been statistically done by PT Petrokimia Gresik, either univariat or multivariate. Since ZK fertilizer is composed of five chemicals that correlate each other, a multivariate control chart is used. RMCD is one of the robust parameter estimation methods for outlier data. The average vector and variance-covariance matrix derived from the RMCD method is used to calculate the statistics on the multivariate control chart. Therefore, the robust control chart is more sensitive to detecting a shift in production processes compared to the classical ones. The data used in Phase I is daily data per January 1 - April 30, 2017, while Phase II data used is daily data as of May 1 - July 15, 2017. The results of the control chart analysis in Phase I shows that the production process has not been controlled statistically analysis of cause-effect diagrams. Furthermore, the control chart limits in Phase I that have been stable after the repair are used for Phase II production data. The result of the control chart analysis in Phase II shows that the production process has shifted. This can be known by the number of points that out of control.

Evaluasi Kapasitas dan Jangkauan Pelayanan Fasilitas Pendidikan Sekolah Menengah Pertama dan Madrasah Tsanawiyah di Kota Surakarta Sakti Arya Wiseka; Yuniaristanto .; Muhammad Hisjam
Performa: Media Ilmiah Teknik Industri Vol 17, No 1 (2018): PERFORMA Vol. 17, No 1 Maret 2018
Publisher : Industrial Engineering, Faculty of Engineering, Universitas Sebelas Maret

Improving the quality of education is important for human beings and also an important issue for municipal government. The balance between the amounts of educational facility needs with the availability of facilities is a problem in the education sector. Surakarta is one of the towns in Indonesia, which has the highest population density in Central Java Province. Therefore, it is necessary to evaluate the amount of capacity of existing educational facilities. This research uses Capacitated Max Covering model which runs using IBM ILOG CPLEX software. Further obtained results were based on the capacity of existing educational facilities today, can be met optimally. However, it is necessary to increase the capacity of schools or addition of new educational facilities to accommodate students who have not received school quotas within the city.

Penerapan Value Stream Mapping (VSM) Untuk Mengurangi Keterlambatan Proses Pengadaan Barang dan Jasa di PT X (Studi Kasus Pengadaan Barang dan Jasa A4100000121) Rahmaniyah Dwi Astuti; Frisheila Sely Apriliana
Performa: Media Ilmiah Teknik Industri Vol 17, No 1 (2018): PERFORMA Vol. 17, No 1 Maret 2018
Publisher : Industrial Engineering, Faculty of Engineering, Universitas Sebelas Maret

PT X is an oil and gas company, to support its production a good procurement process is needed. Procurement is an activity to get goods and services in a transparent, effective and efficient. Based on data in 2017, there are 148 procurement with a value of less than 2.5 billion carried out by PT X, from that data there are 43% of the procurement completed exceeding the predetermined initial target. Based on data in 2017, the procurement of A4100000121 has the highest delay rate of 32 days, therefore it is necessary to identify waste as an effort to reduce the time delay. The method used is Value Stream Mapping, this method is used to identify processes that contain waste so that existing waste can be removed. Based on the results of the study there was a decrease in time between Current State VSM and Future State VSM with a total time at Current State VSM of 39425 minutes and Future State VSM of 23085 minutes so that the time was decreased by 16340 minutes.

Usulan Model Robust Newsvendor Problem Untuk Multi Produk dan Mempertimbangkan Permintaan Diskrit (Studi Kasus: Toko Roti X di Bandung) Fran Setiawan; Paulina Kus Ariningsih; Stefanie Widya
Performa: Media Ilmiah Teknik Industri Vol 17, No 1 (2018): PERFORMA Vol. 17, No 1 Maret 2018
Publisher : Industrial Engineering, Faculty of Engineering, Universitas Sebelas Maret

In Indonesia, the number of businesses that do not have a special building is 18.9 million business. One business that does not have a special building is a peddler. A considerable number of peddlers make the productivity and competitiveness of peddlers need to be improved. The problem faced by the peddler is to determine the type and the amount of each type of goods that must be brought each day. If the goods brought too many can cause overstocks that result in remaining goods can not be sold in the next sales period. If the goods brought too few can cause shortages that can lead to loss of opportunities to make sales or profit for a particular type of goods in a particular region. In this research, this problem will be modeled as a robust multi-product newsvendor problem with discrete demand. This model determines the optimal number that everyday peddler must bring for each type of product that maximizes the expected profit from the worst possibility that can occur when only some information from the demand distribution is known. After developing the model, then made a model completion program using Octave software. The case study used in this research is peddler of a bakery shop in Bandung. The results of the implementation of the developed model can increase the average of expected profit obtained by the first and second peddlers by 126.77% and 268.3987% respectively of the average current profit earned by the both peddlers.

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Home Page

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Editorial Team

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Reviewer

Google Scholar

Contact Name
Cucuk Nur Rosyidi

Contact Email
performa@ft.uns.ac.id

Phone
+62271-632110

Journal Mail Official
performa@ft.uns.ac.id

Editorial Address
Gedung I, Lantai 1 Fakultas Teknik UNS Jl. Ir. Sutami 36A, Surakarta, 57126 , Indonesia

Location
Kota surakarta,

Jawa tengah

INDONESIA

Abstract

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Abstract

Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Cucuk Nur Rosyidi

Contact Email performa@ft.uns.ac.id

Phone +62271-632110

Journal Mail Official performa@ft.uns.ac.id

Editorial Address Gedung I, Lantai 1 Fakultas Teknik UNS Jl. Ir. Sutami 36A, Surakarta, 57126 , Indonesia

Location Kota surakarta, Jawa tengah INDONESIA

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Contact Name
Cucuk Nur Rosyidi

Contact Email
performa@ft.uns.ac.id

Phone
+62271-632110

Journal Mail Official
performa@ft.uns.ac.id

Editorial Address
Gedung I, Lantai 1 Fakultas Teknik UNS Jl. Ir. Sutami 36A, Surakarta, 57126 , Indonesia

Location
Kota surakarta,

Jawa tengah

INDONESIA