I Wayan Suletra
Staf Pengajar Jurusan Teknik Industri FT-UNS, Surakarta Laboratorium Perancangan dan Perencanaan Produk (P3) TI – FT UNS Jl. Ir. Sutami No. 36A Kentingan Surakarta 57126 Telp: (0271) 632 110, Fax: (0271) 632 110

Published : 15 Documents

Found 15 Documents

Analisa Kelayakan Pabrik Neon Elektronik (NE) Sukoharjo Lutfia, Nina; Suletra, I Wayan; Fahma, Fakhrina
Performa: Media Ilmiah Teknik Industri Vol 3, No 1 (2004): PERFORMA Vol. 3 No 1, Maret 2004
Publisher : Program Studi Teknik Industri, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/performa.3.1.11128


The increasing of electricity base rates initiate people to choose the energy saving lamp in order to decrease their electricity bill. It impacts the demand of energy saving lamps increase. Neon Electronic produces such an energy saving lamp with the electronic circuit called ballast electronic. Neon Electronic plan to develop the factory and expand the marketing area.This research is aimed to know the feasibilities of the Neon Electronic (NE) development plan. The feasibilities study covered a research on market aspects, production and operastional aspects, and financial aspects.Based on the result of market aspects, this development plan is feasible; because of the people demand. so, there is an opprtunity to implement this plan. Despite from that there is a particular interest factors such as the quality of Neon Electronic is higher than the around competitors.From the production and operational aspects, this plan is also feasible to continue because there is no barrier on the availability of the machines and tools and another production fasilities, the development fund, and human resources.With the assumption that the interest rate is 16% and all the product sold, the result of investment criteria; NPV is Rp. 167.778.623, IRR = 98% which is bigger than the interest rate, Discounted Payback Period = 1 year 3,78 months, no cash deficit, the Profitability Index above one which is 2,86, and the Break Even Point (BEP) 2004 is Rp. 307.879.319. The financial aspects point of view recommends this development plan is possible to continue.
Prototipe Alat Pemantauan Suhu untuk Rantai Dingin Produk Mengunakan Near Field Communication, Studi Kasus Distribusi Darah Priyandari, Yusuf; Suletra, I Wayan; Mas’ud, Azmi; Pujiharto, Adi Norrochmat
Jurnal Ilmiah Teknik Industri Vol. 16, No. 2, Desember 2017
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v16i2.3880


Temperature monitoring apparatus is required for the distribution of certain products that are distributed using cold chain method. Temperature gauges that use analog and digital thermometers can not store temperature data in transit. The digital temperature register apparatus (logger) in the market temperature is relatively expensive and does not provide early warning if the temperature in the storage box products out of permitted temperature limits. The research developed a prototype of a temperature monitoring device for the distribution of cold chain products. Case studies on blood distribution are used as a basis for determining the need for temperature monitoring devices. The product prototype is made by stages in accordance with generic product development method. The resulting prototype can provide temperature information in the cold box during the course of blood distribution. The prototype can also provide warnings in the form of sounds and lights when the temperature inside the cold box is outside the ideal temperature limit / permitted for the blood distribution process. Temperature history data during the trip can be stored in NFC Tags. The data can then be read using smart-phone devices that feature NFC.
Identifikasi Karakteristik yang Mempengaruhi Kesuksesan Agen dan Atribut Asuransi yang Mempengaruhi Nasabah Masuk AJB Bumiputera 1912 Cabang Kediri Kusumawati, Ana; R., Roni Zakaria; Suletra, I Wayan
Performa: Media Ilmiah Teknik Industri Vol 3, No 1 (2004): PERFORMA Vol. 3 No 1, Maret 2004
Publisher : Program Studi Teknik Industri, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/performa.3.1.11126


One of the developing service industries developing in Indonesia economy which is undergoing crisis is insurance industry, whose productivity and business quality are depended on agents’ capability as the main doer who are corresponding with marker and characteristic from this insurance. This research attempts to find out agent’s profile and characteristic, perception given from customer and also insurance’s attributes that influence a customer to join.The measurement used on this research is Likert scale with the valid questionnaires distributed to 117 respondents agents and 46 respondents customers from AJB Bumiputera 1912 branch Kediri. The results shows that successful agents’ profile generally women(65,12%), age between 35-50 years old(75%), come from East Java(58,26%), married(65,48%), have S1 degree(85,71%), and experience on this field more than 6 years(88%). By using discriminate Analysis it results that successful agents have knowledge and higher assertiveness than less successful agents, but owning lower recognition motivation. According to the customer, there is no difference between successful and less successful agents. By using Pareto diagram, we can conclude that agents are the most important attribute that influence customer to join with the insurance.
Usulan Perencanaan Sampling Penerimaan Berdasarkan Kecacatan Atribut dengan Metode Mil Std 105E pada Proses Penyamakan Kulit Herdiman, Lobes; Suletra, I Wayan; Hapsari, Amithya Dwi
Performa: Media Ilmiah Teknik Industri Vol 7, No 1 (2008): PERFORMA Vol. 7, No. 1 Maret 2008
Publisher : Program Studi Teknik Industri, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/performa.7.1.13770


Plan acceptance of sampel with method of Military Standard 105E is prosedure which used in decision making to product yielded by company, background of this method him is to accommodate accomplishment of producer ekspektasi and consumer in inspection of[is quality of product with acceptance mechanism or deduction of lot. Pursuant to from amount of sampel proposals, existence of improvement of percentage of probability for normal inspection at quality of I mount 24% and quality of II mount 10%, tight inspection at quality of I mount 26% and quality of II mount 12%, diffuse inspection at quality of I mount 23% and quality of II mount 4%. While SOP proposal have the character of independent to the each category so that deduction of lot earn happened at every category not requiring accumulation of amount of found defect as SOP early.
Analisis Stabilitas dan Kapabilitas Proses Spinning Benang Katun dengan Metode Six Sigma (Studi Kasus PT. Primissima) Amri, Sahrial; Suletra, I Wayan; Fahma, Fakhrina
Performa: Media Ilmiah Teknik Industri Vol 4, No 1 (2005): PERFORMA Vol. 4 No 1, Maret 2005
Publisher : Program Studi Teknik Industri, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/performa.4.1.11148


As a textile company which produces grey, PT. Primissima surely needs high quality yarn which is also produced in its factory as its main basic material. Decline in yarn quality that significantly happened on May until August 2004 causes negative effects to the company, especially in customer satisfaction. Analysis of process stability and capability is should be done to prove and explain the problem, particularly on the existing spinning III process. Analysis using Six Sigma method begins with identifying customer needs, then mapping customer needs into the critical to quality characteristics (CTQ), determining CTQ priority level based on customer importance rating and customer satisfaction rating, and last, measuring sigma value, process stabilityand process capability of the CTQ top priority level. The result that focused on unevenness yarn CTQ shows, with sigma value of 4.07 sigma, process condition isn’t stable and capable enough to meet the company’s specification target. From the process analysis is also obtained information that many factors like environment, machine, tool, process, material, employee, and measurement system are supposed causing the problem. Improvement and control suggestions are also given here.
Penentuan Lokasi Ideal SD dan MI Se-Kecamatan Pejagoan Kabupaten Kebumen dengan Menggunakan Model P-Median, P-Center, dan Max Covering Nurcahyono, Ike; Suletra, I Wayan; Liquiddanu, Eko
Performa: Media Ilmiah Teknik Industri Vol 9, No 2 (2010): PERFORMA Vol. 9, No 2 September 2010
Publisher : Program Studi Teknik Industri, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/performa.9.2.13894


Pejagoan district is an outskirt near the central administration of Kebumen Regency. This position causes some people prefer to go to city for schooling. This condition becomes one of the factors for decreasing number of students that apply to Pejagoan district. Many schools lacks of students. Kebumen Regency education department has a plan to reduce some schools that do not fulfill the criteria of minimum number of students. Determining ideal location and number of schools has to be appropriate in order to does not cause problems in the future. In this study, the determining of location and the number of school in Pejagoan district are conducted by identifying the location and the distance of students’ house to the location of current elementary schools that considered as candidate locations. The school locations and optimum number of school are determined by using three models, p-center, p-median, and maximal covering model. These are conducted to identify the performance of each model and compare all of them. The calculation result concluded that p-median model is the most appropriate model to solve the problem. The optimum number of school is 26 and the average distance of students to the nearest school is 215.98 meters with deviation standard 138.08 meters, and the furthest distance is 1229.3 meters.
Prosiding SNST Fakultas Teknik Vol 1, No 1 (2017): PROSIDING SEMINAR NASIONAL SAINS DAN TEKNOLOGI 8 2017
Publisher : Prosiding SNST Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar


Indonesia merupakan negara agraris yang memiliki hasil pertanian yang potensial berupa kedelai. Salah satu hasil olahan kedelai adalah tahu. Di Kabupaten Sukoharjo, salah satu sentra produksi tahu berada di Desa Wirogunan Kecamatan Kartasura. Berdasarkan kondisi lapangan, pengrajin tahu di Desa Wirogunan belum mengolah limbah cair hasil produksinya. Menurut Peraturan Daerah Provinsi Jawa Tengah Nomor 5 Tahun 2012 pasal 8, setiap penanggung jawab usaha dan/atau kegiatan yang membuang air limbah ke lingkungan wajib melakukan pengolahan air limbah yang dibuang agar memenuhi baku mutu air limbah. Atas dasar permasalahan tersebut, maka diperlukan pembangunan instalasi pengolahan air limbah (IPAL) komunal untuk menangani air limbah yang mencemari lingkungan. Tujuan penelitian ini adalah memilih lokasi IPAL komunal terbaik berdasarkan pertimbangan multikriteria. Langkah awal adalah melakukan studi literatur untuk menghimpun kriteria-kriteria, kemudian disesuaikan dengan kondisi lapangan berdasarkan pendapat ahli. Kriteria yang digunakan dalam penelitian ini adalah kriteria teknis, non teknis, dan sosial . Langkah kedua adalah pemilihan lokasi terbaik menjadi menggunakan metode Fuzzy TOPSIS. Hasilnya terpilih satu lokasi pembanguan IPAL komunal terbaik yang dilihat berdasarkan nilai preferensi terbesar. Diharapkan untuk studi ke depan dapat menambahkan beberapa kriteria yang dapat mendukung pemilihan lokasi IPAL komunal terbaik, serta melakukan pengembangan penelitian dengan mengaplikasikan metode lain.Kata kunci: fuzzy TOPSIS, industri tahu, lokasi IPAL,multikriteria 
Penentuan Alokasi Buffer Untuk Meningkatkan Performansi Lini Produksi (Studi Kasus di PT. General Electric Lighting Indonesia) Suletra, I Wayan; Hisyam, Muh.; Prasetyo, Sigit
Performa: Media Ilmiah Teknik Industri Vol 6, No 1 (2007): PERFORMA Vol. 6, No. 1 Maret 2007
Publisher : Program Studi Teknik Industri, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/performa.6.1.12828


PT. GE Lighting Indonesia is a manufacturing company that producing lamp. In generally, PT. GE Lighting Indonesia’s producing line consists of 5 machines with buffer allocation storage between machine that have early capacity of buffer1= 1225 units, buffer2= 915 units, buffer3=820 units, and buffer4=545 units. The allocation of these buffer is definetely done with purpose to place output from machine before processed to the next machine. Time difference process in every machine make the stream of production process become less fluent and affecting less maximal throughput. Other cause that making the throughput of production line process less maximal is machine damage factor. Although the preventive maintenance policy is applied in PT. GE Lighting Indonesia remain to be the machine damage cannot be obviated at production process take place. This research will try to redetermine the buffer allocation in PT. GE Lighting Indonesia in order to make the production process more fluent, so that can increase the throughput in production line. The method that is use to redetermine the buffer allocation is simulation approach. The reason why the author use this method is because there wasn’t found a representative and valid analytical model that match with the system.The simulation is done with Promodel 4.0 software. Based on the experiment design and running of simulation, it’s achieved a conclusion that the best alternative buffer capacity is at 900 units (buffer1, buffer2, buffer3, buffer4 has a same capacity at 900 units) with average throughput at 9.651 units/shift. While in the early buffer capacity only produce as many as 9.207 units/shift. Finally, if it’s compared with the early condition, redetermining the buffer allocation can increase the throughput of production line process equal to 444 units/shift.
Econometric Analysis With Panel Data: Measuring Relations And Contributions Of Influential Factors On Income Per Capita Across Districts In Sragen Regency Anugraha, Raditya Teguh; Suletra, I Wayan; Priyandari, Yusuf
Performa: Media Ilmiah Teknik Industri Vol 13, No 1 (2014): PERFORMA Vol. 13, No 1 Maret 2014
Publisher : Program Studi Teknik Industri, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/performa.13.1.12706


Levels of prosperity of an area is measured by income per capita. Income per capita is derived from regional income divided by mid-year population number. In Srgaen Regency, income per capita amongdistricts very different significanly so a reaserch is needed to know the causes of this variability. In general, many factors affect the income per capita and each factor may have different effect in form of relationship and level of contribution. To solve these problems this reaserch used econometric which is the result of a certain outlook on the role of economics, consists of the application of mathematical statistics to economic data to lend empirical support to the models constructed by mathematical economics and to obtain numerical results. Panel data which is a combination of data type cross-section and times series is used in this study. To combine the indicators variables that have different units is used factor analysis. Regression model pooled least square (PLS), fixed effect, and random effect was tested to get the most representative models describing the relationship between income per capita and the factors that influence. From the analysis it shown that not all district have the same model. Thus the Government of Sragen Regency can treatment on different district based on the factors that influence and encourage these factors so that the income per capita is increasing.
Evaluasi Layanan Taksi Menggunakan Agen Based Modeling (ABM) Istiqomah, Silvi; Yuniaristanto, Y; Suletra, I Wayan
Jurnal Ilmiah Teknik Industri Vol. 18, No. 1, Juni 2019
Publisher : Muhammadiyah University Press

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


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.