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Model Potensial Gravitasi Hansen untuk Menentukan Pertumbuhan Populasi Daerah Bambang Suhardi
Performa: Media Ilmiah Teknik Industri Vol 3, No 1 (2004): PERFORMA Vol. 3 No 1, Maret 2004
Publisher : Industrial Engineering Study Program, Faculty of Engineering, Universitas Sebelas Maret

Gravitation model is take from physics concept which say that there is attraction between magnet pole. In the region on city analysis, population clustering, activity on natural resources centralizes consider have power of attraction that can be analogy with magnet attraction. This model use to predict zone growth rate.

Analisis Pengaruh Kebisisngan, Temperatur dan Pencahayaan Terhadap Produktivitas Kerja Pengeleman Amplop Secara Manual Brury Jatmiko; Bambang Suhardi; Rahmaniyah Dwi Astuti
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

This research explores the analysis of the optimum setting for the noise (80dB, 77dB, 80dB), temperature (18°C, 24°C, 34°C) and illumination (155lux, 200lux, 300lux) to optimize manually envelope folding jobs productivity. The analysis that will be implemented here is design experiments factorial method to determine the significant factors that influence manually envelope folding jobs productivity. Also, the response surface method will be applied to obtain the approximation model for manually envelope folding jobs productivity as a function of the factor found earlier so that the most optimum result can be obtained under a design optimization method.

Penentuan Jumlah, Lokasi dan Cakupan Distribusi Gudang Produk Air Minum Dalam Kemasan Jenis Gelas (Studi Kasus di PT. Dzakiya Tirta Utama) Dyan Parardyo S; Yuniaristanto -; Bambang Suhardi
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

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/performa.4.2.11172

This paper studies a facility location with single sourcing problem which simultaneously considering opening some new facilities or closing some existing facilities. This problem comes from the inefficiency of the distribution network because of its distribution process growth. One of the mainly caused is each customer zone, which consist of several demand points, served by more than one warehouses. This policy causes high delivery cost and also makes what called marketing conflict. The objectives of this problem solving is determining number, location and distribution coverage of warehouse that could minimizing total logistic cost. Total logistic cost consist of delivery cost from warehouse to customer zone, storage and operation cost at warehouse and transportation cost from plant to warehouse. The best solution is achieved using heuristic approach and optimized using integer linear programming by examining the best configuration network offering the least total logistic cost.

Analisis Tingkat Efisiensi Daya dan Biaya Penggunaan Lampu Neon Sistem Elektronik Terhadap Neon Sistem Trafo Berdasarkan Desain Eksperimen Faktorial Rr. Dhiasty Mahayanti; Bambang Suhardi; Rahmaniyah Dwi Astuti
Performa: Media Ilmiah Teknik Industri Vol 3, No 1 (2004): PERFORMA Vol. 3 No 1, Maret 2004
Publisher : Industrial Engineering Study Program, Faculty of Engineering, Universitas Sebelas Maret

New innovation of electrics technology is not basically easy to permeated by society, includingsaving energy lamp. In fact, theese topics is interesting for the researchers. Reducing of electrics consumption in usage of lamp almost 50% from total cost usage of electrics energy. This research aim to choose the best tube lamp by considering of energy efficiency and reduce expense of electrics. Measuring input energy and output energy is conducted to two lamp type taken as this research namely transformer system lamp (NST) and electronic system lamp(NSE).Measuring of input energy and output energy is conduted by two factors experimental design with one block (Factorial Experiment Randomized Block Design). Theese factors are tube type and ballast type, while energy size as block. Result of research is analysed by using analysis of variant (Anova). Calculation of usage expense is conducted by considering four category according to electrics basic tariff (TDL). Based on analysis of variant, it is known that tube type and factor interaction do not have an effect significantly to input energy and output energy. While for the efficiency of energy, only tube type factor which do not show influence significantly.Percentage differenciation average of input energy, output energy, and energy efficiency NSE each 49%, 63%, and 49% bigger than NST. NSE more beneficial than NST as technically and economically. Most economical NSE is 20 watt.

Aplikasi Analytical Hierarchy Process dan Goal Programming untuk Merencanakan Pembangunan Perekonomian Bambang Suhardi
Performa: Media Ilmiah Teknik Industri Vol 1, No 1 (2002): PERFORMA Vol. 01, No 1 Maret 2002
Publisher : Industrial Engineering Study Program, Faculty of Engineering, Universitas Sebelas Maret

In order to develop the economic regional we have to consider their economic potentials and advantages obtained from its environment. Due to respect to this facts, this research proposes utilizing the analytical hierarchy process and goal programming for optimization. First, we have to develop goal programming model with objective functions and its contrains. Then we determine the weights of each criteria and relatif interest inter sub region based on analytical hierarchy process. Finally, we determine achieving function of all objective functions. With QS assistance will be obtained optimal economic sector and location of each sector.

Penentuan Jumlah dan Lokasi Gudang Yang Optimal Dengan Menggunakan Metode Cluster Sulistyaningsih Jati Murti; Azizah Aisyati; Bambang Suhardi
Performa: Media Ilmiah Teknik Industri Vol 3, No 1 (2004): PERFORMA Vol. 3 No 1, Maret 2004
Publisher : Industrial Engineering Study Program, Faculty of Engineering, Universitas Sebelas Maret

This paper proposes Cluster method to determine warehouse number and location of CV. Lidah Buaya Detergent Cream. This Cluster method consist of two algorithms. The fist is used to determine the number of warehouse and the second is used to determine potential warehouse location. On the first algorithm, calculation of total logistic costs is started with warehouses placement at every market area. The number of warehouse reduced one by one, so will be found market area grouping based on proximate distance. The number of optimal warehouse obtained from the calculation of minimum total logistic costs. Potential warehouse location calculated by using central of gravity.

Fault Tree Analysis Untuk Meningkatkan Kualitas Produk Bambang Suhardi
Performa: Media Ilmiah Teknik Industri Vol 3, No 2 (2004): PERFORMA Vol. 3 No 2, September 2004
Publisher : Industrial Engineering Study Program, Faculty of Engineering, Universitas Sebelas Maret

Nowdays the competition on business field is so tight. Companies compete to be the winner on that competition. Competition is done by increase the quality of their product. Because now is the era of quality. All business units have to find lagged indicator, leading indicator and sub leading indicator from their business. All that indicators are arranged become fault tree. In order that the model can be used as a tool to control the process, so its better that fault tree is developed become fishbone diagram.

Analisis Manual Material Handling Berdasarkan Prinsip Biomekanika (Studi Kasus CV. Titian Mandiri) Puthut Supri Adi; Bambang Suhardi; Rahmaniyah Dwi Astuti
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

CV. Titian Mandiri is a company that produce bottling water which still use manual lifting method. The advantages of this method are more flexible, effective and low cost. On the other hand, bad manual lifting can generate pain in several operator body segments, such as hand, back, waist and thigh.Leave from those reality, it is needed to do some working method analysis and improvement based on biomechanical principle. NIOSH method used to know lifting safety limit and Chaffin-Anderson equation used to predictable the force that happened on abdominal segment, L5/S1 and operators hand segment. This study shows that RWL value for lifting to pick up car is 8,223 kg and lifting to the box car is 6,208 kg. The LI value for lifting to pick up car is 2,311 and for lifting to box car is 3,060.The improvement of working method was done by rearrange the gallon position and add amount of table. The high of the table is 52 cm and the gallon position would be in front of operator sagital line exactly. This improvement changes RWL value for lifting to pick up become 13,820 kg and 11,475 kg for lifting to the box car. LI value for lifting to the pick up descend become 1,374 and LI value for lifting to the box car become 1,6557.

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