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All Journal PERFORMA : Media Ilmiah Teknik Industri

Wahyudi Sutopo

Program Studi Teknik Industri, Universitas Sebelas Maret, Surakarta

Author-ID : 3769819

Engineering Industrial & Manufacturing Engineering

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Articles

Usulan Jadwal Perawatan Preventif Mesin HGF di Stasiun Puteran Pabrik Gula Wahyudi Sutopo; Ari Nugroho; Yuniaristanto -
Performa: Media Ilmiah Teknik Industri Vol 7, No 1 (2008): PERFORMA Vol. 7, No. 1 Maret 2008
Publisher : Industrial Engineering Study Program, Faculty of Engineering, Universitas Sebelas Maret

The HGF (High Grade Fugal) Machine is one of the machines which often failed in The Sugar Factory XYZ. Brake Shoes and Belt drive are critical components of HGF Machine. The Management already used corrective maintenance policy where the maintenance only was done while the machines were failed. The loss of corrective maintenance was the other components which could be failed caused by failure of critical components. To anticipate this event could conduct the preventive action at critical components before the critical components reached limit usage. Considering was the situation above, this research concern how to arrange the appropriate preventive maintenance schedule, so that could be eliminate the failure frequency which caused by critical component failed. Time to failure of critical component is fitted the normal distribution with the test of hypothesis Kolmogorov-Smirnov. In analysis uses 70 % minimum reliability. The result shows the time to failure of Brake shoes and Belt drive havenormal distribution. The interval of preventive maintenance for belt drive of HGF WS machine is 28 days, and has the reliability value 73.8%, and for the Brake shoes of HGF WS machine is 28 days, and has the reliability value above 90%. The interval preventive maintenance for Brake shoes of HGF Zagitter machine is 20 days, and will be has reliability value 86,2%. The Interval of the preventive maintenance for the belt drive of HGF Zagitter machine is 24 days, and will be has reliability value above 90%.

Analisis Du Pont untuk Menentukan Usulan pada Perusahaan Distribusi Alat Berat PT. XYZ Cynthia Ayuningtyas; Eka Syafitri; Ferry Tri Susilo; Novita Hadiningrum; Wahyudi Sutopo
Performa: Media Ilmiah Teknik Industri Vol 12, No 2 (2013): PERFORMA Vol. 12, No 2 September 2013
Publisher : Industrial Engineering Study Program, Faculty of Engineering, Universitas Sebelas Maret

PT. XYZ is a company engaged in the distribution of heavy equipment and spare parts, and related services. Based on a preliminary prospectus in 2012, it is known that there are inefficiencies in the company's inventory. It increases the cost of inventory that can be allocated for the promotion. Further research is performed using the Du Pont analysis. This paper aims to determine the proposed improvements to the PT. XYZ. Du Pont analysis includes an analysis of the rate of equity, net profit margin and total assets turnover. Based on the analysis and discussion, it is known the value of ROE, NPM, and TAT of the company needs to be improved. NPM value of the company describes the effective use of corporate assets. While TAT measure the turnover rate of the company assets that include asset utilization efficiency and speed in the form of cash refunds.

Perancangan Sistem Pengukuran Kinerja Pada Perguruan Tinggi Swasta XYZ Dengan Metode Balanced Scorecard Wahyudi Sutopo; Eko Liquiddanu; Endah Sulistyowati
Performa: Media Ilmiah Teknik Industri Vol 4, No 2 (2005): PERFORMA Vol. 4 No 2, September 2005
Publisher : Industrial Engineering Study Program, Faculty of Engineering, Universitas Sebelas Maret

To face globalization era that led to a more competitive, a higher education institution need to set up a strategic management system in order to develop its organization performance to survive and winning the competition. To set up strategic management, the institution must exactly recognize the performance level of it’s organization. That’s why the performance measurement system to help the organization enhance its performance is needed.XYZ college as a higher institution, wants to improve it’s performance by developing a management system to evaluate the current implemented strategy. The balanced scorecard approach as one of performance measurement method by integrating financial and non financial measures is used to design the the performance measurement system in this research. The balanced scorecard design of XYZ college constructed by considering the model from BAN, Competitive Funding Scheme, and the result from other researches. To accommodate the vision, mision, and objective of the XYZ institusion, this research involved thirthteen respondent who are executives management that consist of: Director; director assistant, and department chairmans. After the performance measurement system designed using balanced scorecard method, the weight of each perspectives, objective criterias, and performance indicators then calculated using AHP method. Next, performance level of institusion represented by 1-10 scale based on OMAX. This research present the XYZ College performance measurement result of 2004 and proposes strategic suggestion to enhance the institution performance.

Perancangan Sistem Ukuran Overall Equipment Effectiveness untuk Memonitor dan Memperbaiki Efisiensi Proses di Bagian Filling dan Packing Yuni Fitria Sari; Wahyudi Sutopo
Performa: Media Ilmiah Teknik Industri Vol 7, No 1 (2008): PERFORMA Vol. 7, No. 1 Maret 2008
Publisher : Industrial Engineering Study Program, Faculty of Engineering, Universitas Sebelas Maret

In the most general sense, OEE (Overall Equipment Effectiveness) can be described as a universally accepted set of metrics that bring clear focus to the key success drivers for manufacturing enterprises. In this case, OEE quantifies how well a Filling and Packing Unit (F & P Unit) performs relative to its designed capacity, during the periods when it is scheduled to run. OEE breaks the performance of a F & P Unit into three separate but measurable components: Availability, Performance, and Quality. Each component points to an aspect of the process that can be targeted for improvement as parts of Total Productive Maintenance (TPM). In a TPM program, the Teams at F & D Unit, should looking to see what causes the problems so that they know when it is time to act, and know what problem needs to be fixed. The Cause Effect Diagram used on identify the root causes of poor equipment performance, then Multiple Linear Regression (MLR) used to generate the relationship of components causes of poor equipment performance and then to improve equipment operation. The OEE rating is targeted 85%, butit is unlikely that F & P Unit only can run at 78.2% rating. A comprehensive, The Design of Overall Equipment Effectiveness Metrics System, will provide operator’s F & P Unit to monitor and improve the efficiency of process of manufacturing.

Integrasi Data Envelopement Analysis dan Fault Tree Analysis untuk Peningkatan Efisiensi Perusahaan Wholesaler: Studi Kasus Yuniaristanto -; Ramadhany A. T.; Wahyudi Sutopo
Performa: Media Ilmiah Teknik Industri Vol 8, No 1 (2009): PERFORMA Vol. 8, No. 1 Maret 2009
Publisher : Industrial Engineering Study Program, Faculty of Engineering, Universitas Sebelas Maret

Tujuan penelitian ini dimaksudkan untuk mengetahui tingkat efisiensi strategi dan mengetahui faktorfaktor yang mempengaruhi ketidak-efisienan strategi pemasaran pada suatu perusahaan Wholesaler. Pendekatan Data Envelopment Analysis digunakan mengukur tingkat efisien pada banyak input dan banyak output dari suatu Strategi Pemasaran. Pendekatan Fault Tree Analysis digunakan untuk mencari penyebab ketidak-efisienan strategi pemasaran. Hasil penelitian yang diperoleh bahwa nilai efisiensi pada Bagian Tele dan Promo adalah kuran dari satu atau belum efisien. Dari pendekatan Fault Tree Analysis diketahui bahwa faktor artikel produk yang di jual tidak lengkap, paket kemasan terlalu besar, aksi borong pedagang besar, pengiriman Supplier terlambat, pelayanan kurang ramah dan tidak ada delivery menyebabkan rendahnya nilai efisien.

Usulan Model Pengukuran Kinerja Rantai Suplai untuk Meminimalkan Keterlambatan pada Pengiriman ONS Wahyudi Sutopo; Widha Windhira; Yuniaristanto -
Performa: Media Ilmiah Teknik Industri Vol 7, No 2 (2008): PERFORMA Vol. 7, No. 2 September 2008
Publisher : Industrial Engineering Study Program, Faculty of Engineering, Universitas Sebelas Maret

CV. ABC is one of company that offers services on package delivery. Based on observation wasconducted during the months of January up to August in 200x was found tardiness around 2.5% average per month.The type of delivery service that having the highest level of tardiness is the ONS (Overnight Service). This research is aim to design a model of performance measurement and to compile system proposal of supply chain to minimize the tardiness of ONS’s system in CV. ABC. The model was developed from previous result such as Bowersox & Closs (1996), Simchi-Levi et. al. (2000) dan Beamon (2004) that are performance measure model by involving the four measurement variables: delivery to commit date, order fulfillment leadtime, response time, and make time. The result of the data analysis describes that the actual performance of the four variables still in below the target. Therefore, it is suggested to conduct a restructurization to redesign the ONS system itself. Proposal of designing based on Beamon theory to develop operation improvement. The processing time during the packages stay in ABC's branch of Solo needs a very long duration passing by the definite target, so it is recommended: 1). to eliminate the uneffective process, 2). to merge the processes that are possible to be handled together, 3). to use better facility to shorten the length of the process, and 4). to apply a new documentation system.

Co-Authors Ari Nugroho Cynthia Ayuningtyas Eka Syafitri Eko Liquiddanu Endah Sulistyowati Ferry Tri Susilo Novita Hadiningrum Ramadhany A. T. Widha Windhira Yuni Fitria Sari Yuniaristanto Yuniaristanto

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