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Jurnal Teknik Industri

industri
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Published by Universitas Muhammadiyah Malang

ISSN : 19781431 EISSN : 25274112 DOI : -

Core Subject : Economy, Science, Engineering,

Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Industrial & Manufacturing Engineering

Dr. Saiful Anwar Malang is a state hospital has done it is job and function, but in 3rd class of pavilion room, the number of patient decrease dramatically. It is concerned with quality of this hospital. To answer this problem, research was done using Quality Function Deployment (QFD). Quality Function Deployment is a tool which design some needs include customers represented as a voice of customer and including some competitions and also groups some activities that usually called affinity graphic ang getting a benchmarking for it is competition. From the result analysis can be showed that main attribute for patience is a accuracy. And from House Of Quality can be found that getting a periodic meeting to evaluate this hospital and also increase a service can be made 20 concept

Arjuna Subject : Bisnis, Menejemen, dan Akutansi (semua kategori) - Strategi dan Menejemen

Articles 14 Documents

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Search results for , issue "Vol. 11 No. 1 (2010): Februari" : 14 Documents clear

An Optimisation Approach Toward Onboard Energy Management Systems: Modelling And Simulation Of Supply Side Hadi Suroso; Ontoseno Penangsang
Jurnal Teknik Industri Vol. 11 No. 1 (2010): Februari
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Optimization in the operation of electric power system is an important task for both in land and onboard. The objective is to minimize operating cost index. Taking advantage of the scheme that onboard operator has the authority not only in the supply side but also in the demand side, an optimization approach toward onboard energy management systems based on integrated model for supply and demand side is being developed. The model utilizes unit commitment and economic dispatch in the supply side and load management based on multiple attribute decision-making in the demand side. As a part of the whole concept, this paper focuses on the modeling and simulation of demand side. A user friendly demand side model consisting of Unit Commitment and Economic Dispatch is developed by using LabVIEW, Laboratory Virtual Instrument Engineering Workbench. Data taken from 3 units of Steam Power Plant are simulated. It is then eventually confirmed that 9% total cost saving can be achieved in the selected load demand range

Analisis Matematis dan Ekonomis Penggunaan Metanol dan Etanol pada Kompor “hd” Dwi Priyo Utomo
Jurnal Teknik Industri Vol. 11 No. 1 (2010): Februari
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

High energy requirements result in increased fuel prices. It is quite an impact on all sectors mainly engaged in the business world, because the cost of increasing production without increasing the purchasing power offset market. One effort that can be done is the use of alternative fuels economical. The question is bioethanol fuel, methanol and ethanol that requires an appropriate stove design for the fuel. To determine the level of fuel efficiency is needed stove heaters called “HD”. The purpose of this study was to determine the economic value of fuel use of methanol and ethanol on the stove “HD”, particularly in heating the chicken coop. The me thod used to determine the level of efficiency in the use of methanol and ethanol fuel is amethod of boiling water. Measurements carried out on several parameters, namely: the volume of water in a saucepan, water temperature before it is heated, the use of heavy fuel, fuel density, temperature difference, the total energy absorbed, the amount of energy absorbed, the minimum energy required, and the amount of water boiled. Based on mathematical analysis,concluded that the use of fuel ethanol has a boiling speeds higher than methanol. Although the time of boiling methanol fuel longer, but the use of methanol fuel is more economical. The use of methanol fuel content of 85% is more economical because of savings significantly which is Rp 544,984, 00 for broiler farms per 1000 larvae in one period of 40 days.

Kajian Kinerja Industri Kecil Dengan Metode Balance Score Card Dan Analytical Hierarchy Process MT Safirin
Jurnal Teknik Industri Vol. 11 No. 1 (2010): Februari
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Small industry is one important component in national economic structure, because it can absorb a lot of manpower and a lot of exploiting the potential of natural resources abundant in Indonesia. The number of small industries in Indonesia is quite a lot, but has not been matched by much higher performance. Therefore the number of small industries which are so muchslower average growth and is difficult to compete with large industrial products and imported products. Industry performance is one of the criteria used to measure industry growth. With performance measurement-performance small industry and handicraft villages can be foundin different areas of industry map homeland. During the performance measurement industry is based only on financial aspects. Performance measurement of the financial aspect is important, but still there are other aspects that are also important and need attention because theyaffect the performance of the industry, namely: aspects of customer (market), internal business processes and learning and growth. Therefore it is necessary for measuring the performance of various aspects of small scale industries so that their performance can be evaluated and formulated a model maintenance and development of small industries and handicraft villages are more comprehensive. The method used is the Balanced Scorecard (BSC) and Analytical Hierarchy Process (AHP). The Balanced Scorecard measures the performance of the business / industry with 4 perspective, financial, customer, business process within the company, and the process of learning and growth. Method of Analytical Hierarchy Process (AHP) is used to embobot each perspective and each Critical Success Factor. Research results showed that the average performance of small industries in Trowulan Pasuruan Stone Statue of 2083 (category enough). There are 2 perspectives of a very large weight on the performance of a stone statue of a small industry of financial and customer. Moderate success factors have great influence on both perspectives is the total asset turn over the tattoo and the number of new customers.

Kelayakan Pegas Daun Dalam Penerimaan Beban Optimal D Daryono
Jurnal Teknik Industri Vol. 11 No. 1 (2010): Februari
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Until now days a lot of vehicle still used suspension Leaf spring either in front or in rearsuspension. Commonly the this suspension consist of several peace of springs that called leafspring. This research is focus on laboratory work without experimental test. As a result onlytheoretical conclusion. Natural frequency by modal analysis show that all mode are more than100 Hz. It is very dangerous value of safety passengers and the suspension its self. But withharmonic simulation between 1 until 10 Hz input frequency will be resulted no more than 20mm amplitude. This is the range where passenger still get comfortability according to Janeway diagram of comfort ability. Consequently a lot of people or automotive engineer still usethis kind of suspension .

Limbah Cair Industri Kakao Sebagai Bahan Pembuat Nata Y Yunianta
Jurnal Teknik Industri Vol. 11 No. 1 (2010): Februari
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

This research was aimed to utilize the liquid waste of cacao industry as raw material for nata production. Research was performed in two steps : the first steps was clarification process using active charcoal in different waste dilllutions and the second step was the production of nata. Result of first step showed that active charcoal concentration and dilution treatment showed their effect of all parameters studied. The best result was obtained by treatment of 5% active charcoal concentration and the dilllution of cacao waste : water in 1:3 ratio. The production of nata in the second step of research was performed using this optimal clarification condition. Data showed that the combination treatment of 4% sucrose concentration and 0,4% of (NH4)2SO4 was elected as the best process that gave the best quality of nata. The best treatment showed product characteristic : 83,87% of fermentation yield; 95,23% of moisture content; 4,22% of fiber content; brightness (L*) of 42,87; 0,01 mm/g.dt of textur and 2,42 cm of nata thickness.

Maximasi Kuat Tekan Beton Lukito Prasetyo
Jurnal Teknik Industri Vol. 11 No. 1 (2010): Februari
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Concrete mixing obtained from the fine aggregate and coarse aggregate is sand, stonebroken by adding sufficient adhesive cement and water as supporting material for purposesof chemical reactions during the process of concrete hardening and treatment progress, andmay also be additional material that could serve to strengthen or accelerate the development ofconcrete strength. Therefore, in order to obtain concrete with a light weight, one of which is toreplace the coarse aggregate is commonly used with natural stone aggregate is an alternativethat has a lighter weight but has the major attributes that do not differ greatly. The methodused in this study by testing it against a strong press, elastic modulus, split tensile strength,density, porosity. Increased modulus of elasticity of the variation in aggregate gradation gradationsI to III of variation 14.03%. On a good variety of aggregate inter-aggregate contact areawill be smaller so that the number of pores (porosity) of concrete produced would be smaller.With a small contact area porosity and the amount of cement needed in a similar treatment willbe less. The more small porosity variations in the use of aggregate gradation will memyebabkanconcrete gravity value greater. Small porosity values which will make the concrete moredense so that the stronger the resulting press will be great. In the strong increase in press andconcrete, will be followed by a rise in value of split tensile strength and modulus of elasticityof concrete.

Minimasi Maskepan Dengan Penjadwalan Produksi Pada Tipe Produksi Berulang Imron Kuswandi
Jurnal Teknik Industri Vol. 11 No. 1 (2010): Februari
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Methodologically there are some problems in the methods of scheduling production whichhave been available. In the methods of scheduling production which have been available, it isoften less capable for giving the real condition images from the real systems. It is indicated bythe given assumption that each operation should be finished previously before the other operationsare done. This case is inappropriate if applied in the repetitive production types as happenedin X Gresik, Co. Ltd. Because methodologically there are some problems in the methodsof scheduling conventional production, so in this research the methods of scheduling conventionalproduction are modified by using Microsoft excel application software, so it enables inthis method to handle the case of scheduling production in the types of repetitive production.urthermore, by using the methods of scheduling production modified by using Microsoft excelapplication software, the scheduling can be achieved by the better makespan (makespan =471,17 hours), so the production facility utilities are also more optimal compared to productionscheduling results by conventional approach (makespan = 893,7 hours).

Optimalisasi Proses Gerinda Untuk Permukaan Arya Mahendra Sakti
Jurnal Teknik Industri Vol. 11 No. 1 (2010): Februari
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Basically, surface grinding is mechanical process that result high temperature and chemical reaction on surface work piece. On this process, the heat energy has been released along of the surface. A part of the energy would be transferred to chip and the other would be continued to the environment by grinder and work piece. Use of coolant on the surface of the object will be function as lubricant, which can reduce friction between grinder and the object. Moreover, in grinding process, cooling can effect on temperature and surface roughness. This research used factorial design 2x3x3 to evaluate the effect some variables process such as table speed, depth of cut also cooling method on temperature and surface roughness. High pressure air and air in room temperature are kinds of cooling method in the process, the result of experiment would be analysis by ANAVA. The experiment shows that temperature in air cooling method it is lowerthan by air of room temperature cooling method. The surface roughness of the work piece in air cooling method is the lowest. The faster table speed of grinding machine caused that the lower of the grinding temperature and the work piece surface roughness. Moreover, the higher depth of cut would cause the higher grinding temperature and surface roughness.

Optimasi Rongga Terhadap Variasi Derajat Kevakuman Sebagai Isolator M Mulyono
Jurnal Teknik Industri Vol. 11 No. 1 (2010): Februari
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

In the world of industry, insulation materials are often utilized to maintain the temperature, either low or high. However, since the insulation materials often need to be thick, thus, costly, they are frequently deemed impractical. Therefore, in the attempt to replace the insulation materials, a cavity with low vacuum pressure is opted for. Yet, to attain a total (100%) airfree cavity is not an easy task. Such, the cavity usually still bears some amount of air pressure which results in natural heat convection through the two surfaces making up the cavity. The transfer coefficient of natural heat convection (h) is influenced by some factors, such as, the temperature difference, geometry of the cavity, cavity orientation, and characteristics of the fluid, for instance, its pressure, temperature, conductivity, specific gravity (density), and viscosity. The purpose of the study is to find answers to the following question: “How do vacuum pressure variation and cavity ratio affect the rate of natural heat convection through the a cavity?” Pertinent to the question, the study was aimed to find the appropriate value of the vacuum pressurewhich can function well as an insulator. This study is significant in the attempt to lower down the rate of heat transfer taking place in a system vis-à-vis the surrounding media. The study found out that the degree of emptiness of -60 cm Hg and =5.96, results in a lower rate of heat transfer compared with -20 cm Hg and -40 cm Hg. This means that the vacuum pressure of -60cm Hg bears a bigger thermal resistance than the -20 cm Hg and -40 cm Hg do.

Pencapaian Performa Pada Katup Variabel Timing Fixed Timing Untuk Mesin Yang Optimal Ketut Astawa
Jurnal Teknik Industri Vol. 11 No. 1 (2010): Februari
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Problems will be discussed in this research is how differences in exhaust emissions generated by engine with variable valve timing and valve timing on a fixed volume of motor vehicle cylinder 1300 cc. Variable valve timing technology, which is set when opening and closing the intake valve (intake valve) electronic fuel according to engine conditions. This will make mixing air and fuel that enters into an efficient machine that will produce great power, fuel economy and low emissions. Research emissions (CO, CO2, HC, O2) was performedwith dynamic testing, where the vehicle in a state of the load lifted and given transmission. Unlike the testing generally performed with a static test, in which the vehicle is at rest and without a load. This test is performed to determine how the condition of exhaust gases when the vehicle dynamic (analogous to the vehicle running). In general, machines with variable valve timing to produce better emissions than engines with fixed valve timing. The higher the spin machine and load transmission system will result in CO and HC emissions are decreased and O2 and CO2 increased. Engine with variable valve timing control the suction valve opening times to achieve optimum engine performance at various driving conditions. And set out the engineoutput as needed.

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Contact Name
Sugeng Santoso

Contact Email
sugeng.santoso@mercubuana.ac.id

Phone
+6282132044774

Journal Mail Official
ti.jurnal@umm.ac.id

Editorial Address
Departement Industrial Engineering University of Muhammadiyah Malang Jl. Tlogomas No 246 Malang

Location
Kota malang,

Jawa timur

INDONESIA

Abstract

Abstract

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Abstract

Abstract

Abstract

Abstract

Abstract

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Abstract

Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Sugeng Santoso

Contact Email sugeng.santoso@mercubuana.ac.id

Phone +6282132044774

Journal Mail Official ti.jurnal@umm.ac.id

Editorial Address Departement Industrial Engineering University of Muhammadiyah Malang Jl. Tlogomas No 246 Malang

Location Kota malang, Jawa timur INDONESIA

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Contact Name
Sugeng Santoso

Contact Email
sugeng.santoso@mercubuana.ac.id

Phone
+6282132044774

Journal Mail Official
ti.jurnal@umm.ac.id

Editorial Address
Departement Industrial Engineering University of Muhammadiyah Malang Jl. Tlogomas No 246 Malang

Location
Kota malang,

Jawa timur

INDONESIA