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Journal of Engineering and Management in Industrial System
Published by Universitas Brawijaya
ISSN : 23383925     EISSN : 24776025     DOI : -
Core Subject : Engineering,
Industrial & Manufacturing Engineering
Journal of Engineering and Management in Industrial System is a peer reviewed journal. The journal publishes original papers at the forefront of industrial and system engineering research, covering theoretical modeling, inventory, logistics, optimizations methods, artificial intelligence, bioscience industry and their applications, etc.
Arjuna Subject : -
Articles 216 Documents
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STUDENTS’ KNOWLEDGE BEFORE AND AFTER EMERGENCY RESPONSE SIMULATION AND ITS RELATIONSHIP WITH SATISFACTION AT ISLAMIC BOARDING SCHOOL IN MALANG, EAST JAVA Qomariyatus Sholihah; Dewi Hardiningtyas; Astuteryanti Tri Lustyana
Journal of Engineering and Management in Industrial System Vol 7, No 2 (2019)
Publisher : Badan Penerbit Jurnal, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jemis.2019.007.02.7

Abstract

Malang city, East Java has several modern Islamic boarding schools that carry out an integrated education curriculum between religious, national and international curricula. In order to support its education process, the schools provide modern facilities in the form of multi-storey buildings. In an Islamic boarding school, it has 6 storey buildings with a height of 3 until 5 floors that must be managed. The school also has to educate around 430 female students and 345 male students in different areas. Emergency response simulation is a crucial activity for the students not only to educate how to respond to an emergency situation but also to evaluate the protection facilities in the school. This research was conducted to identify the students’ knowledge before and after the emergency response simulation and its relationship with the satisfaction of the simulation. A descriptive research method was carried out and the data collection techniques in this study used a questionnaire with 100 respondents from female and male students. The results of the questionnaire that had been obtained were analyzed using the Structural Equation Modeling (SEM) analysis test with AMOS version 23 application. The results of SEM analysis test on the covariance table produced P-Value of <0.01; hence, there is a correlation between the Pre Test and the Post Test results. The results of the linear regression test using ANOVA showed that all independent variables (Pre Test result) have an influence on the Post Test results at 0.396 or 39.6%.
OPTIMIZATION OF PROCESS PARAMETERS AND QUALITY RESULTS USING PLASMA ARC CUTTING IN ALUMINUM ALLOY Abdul Hamid
Journal of Engineering and Management in Industrial System Vol 7, No 1 (2019)
Publisher : Badan Penerbit Jurnal, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jemis.2019.007.01.2

Abstract

Plasma cutting is a thermal cutting using a plasma arc that is widely used in metal cutting. CV Kurnia Abadi CNC Plasma Cutting, engaged in CNC plasma cutting based metal cutting services the manufacture of ornaments from steel metal to aluminum. In the field study there were several problems including the quality of cutting and the cost of finishing on aluminum metal. To overcome this problem, the researcher applied the parameter process optimization method by combining the Taguchi method and Gray Relational Analys with the orthoghonal array L9 design selection (34). The material used is aluminum 5083, the response parameters studied are surface roughness and conicity angle. Then compare the results of the research with the actual field data. The results of the study obtained a combination of optimal parameters 90A, 1800mm / s, 3 bars, and 3mm. Parameter contribution is dominated by cutting current 79.42% followed by cutting speed. The difference between the actual data and the optimal combination has increased. While the finishing time was reduced by 2.16 seconds, and finishing costs were minimized to 25.11 rupiah per 100 mm2
USER EXPERIENCE EVALUATION ON USE OF COSMETIC BUSINESS TO CONSUMER (B2C) E-COMMERCE SITES Maya Arlini Puspasari; Tiara Sari; Fariz Setyana Pratama; Muhammad Farhan Fadillah
Journal of Engineering and Management in Industrial System Vol 7, No 2 (2019)
Publisher : Badan Penerbit Jurnal, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jemis.2019.007.02.2

Abstract

The development of technology in connectivity makes significant increase of online transactions. The online transaction in cosmetics takes the third place of all online transactions in Indonesia. Many business people dealing in cosmetics to switch to online business, known as electronic commerce (e-commerce). There are 3 types of e-commerce: Business to Consumer (B2C), Business to Business (B2B), and Consumer to Consumer (C2C). E-commerce site B2C type is the biggest e-commerce transaction. The tough competition in Indonesia has made the B2C sites suffer loss in the competition to the C2C sites. Use of a site is closely related to user experience. This research aims to evaluate the user experiences of two B2C sites, i.e. SE and SO as well as the C2C site SH. This research was done by giving scenario Taska in line with the available features. Based on the research, SH was superior compared to SE and SO.
IMPROVEMENT OF rHDPE PLASTIC QUALITY USING SIX SIGMA AND TAGUCHI METHODS Rifka Findiani
Journal of Engineering and Management in Industrial System Vol 7, No 2 (2019)
Publisher : Badan Penerbit Jurnal, Faculty of Engineering, Universitas Brawijaya

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Abstract

This study aims to determine the optimum process parameters in producing plastic bag in the application of Blown Film Extrusion Process. It is very critical to enhance product quality by optimizing the parameter, since preventing defected product not only can minimize cost but also can attract more customer. Recycled High Density PolyEthyelene (rHDPE) was studied in this experiment which widely used in both industry appliance and household. In accordance with the purpose of this research mentioned above, Six Sigma and Taguchi were adopted to define which factors and levels affected the quality of product, namely extruder temperature, extruder rotation, winder rotation,and take up rotation. The orthogonal array of Taguchi’s L 9 (3 4 ) was used to carry out the experimental plan. The effect of parameter was evaluated through weight measurement of specimen. The result of the study reveals that the quality of products were optimized under the process combination of extruder temperature 170ᵒC, 3,468 RPM screw rotation, rotation takes up 1,242 RPM, and winder rotation 1,620 RPM.
ANALYSIS OF PRODUCTIVITY BASED ON KPI CASE STUDY AUTOMOTIVE PAINT INDUSTRY Paduloh Paduloh
Journal of Engineering and Management in Industrial System Vol 8, No 1 (2020)
Publisher : Badan Penerbit Jurnal, Faculty of Engineering, Universitas Brawijaya

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Abstract

The research was aimed to measure and analyze productivity in production department at Paint Industry for Automotive, the criteria used  are Quantity of production, number of sales, stock of raw materials, bad stock, electricity usage, loss production, machine breakdown, overtime hours, product stock productivity and Productivity of washing solvent usage. Data was obtained based on questionnaires and company data, the analysis was carried out using Objective Matrix Method and Company Key Performance Indicator to determine the level of company productivity. The results showed that the productivity of the company was low and unstable. Production productivity was the highest productivity but this productivity was not in accordance with the productivity conditions of other companies such as sales, raw material usage, labor, electricity usage, machine breakdown, and bad stock. Another highly contradictory productivity is the amount of overtime production numbers are not following the increase in the quantity of production. When production productivity rose, the productivity of other supporters decreased. These contradictory conditions indicate that the productivity of the quantity of production can still continue to be improved with make stronger controls for other support activities in line production.
MOTIVATION EFFECTS, RESPONSIBILITIES, SATISFACTION AND MAJOR SATISFACTION WITH TEACHER'S PERFORMANCE IN DUTA MAS VOCATIONAL SCHOOLS, JAKARTA Dwi Prayogi; Zulfa Fitri Ikatrianasari
Journal of Engineering and Management in Industrial System Vol 8, No 1 (2020)
Publisher : Badan Penerbit Jurnal, Faculty of Engineering, Universitas Brawijaya

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Abstract

Education is an institution that has an important role in improving the quality of human resources. Based on this phenomenon, it is important to consider the problem of Motivation, Discipline, Job Satisfaction with the performance of teachers in Duta Mas Jakarta, because motivation and work discipline can influence job satisfaction and teacher performance. . In this study PLS-SEM approach is used. PLS-SEM aims to test predictive relationships between constructors or latent variables by looking at whether there is a relationship or influence between these constructions, so that the pathway has no significant effect. From the results and analysis of the data presented and explained, states the motivation, discipline, and job satisfaction of teachers towards the achievement of teachers. This is shown from the calculation of "t" between the path of the Coefficient of Motivation to the satisfaction obtained at 0.132, the <t-table 1.96, the t test for the difference in the Discipline coefficient towards the satisfaction obtained at 0.323, the <t-table 1.96, and t test for the difference in Satisfaction with Performance is obtained at 0.836, value <t-table 1.96, then paths have no significant effect.
2DOOR REFRIGERATOR NEW PRODUCT DEVELOPMENT ANALYSIS BY USING QFD METHOD: A CASE STUDY REFRIGERATOR PRODUCT IN INDONESIA Yulianto Yulianto; Humiras Hardi Purba; Candra Purowenang
Journal of Engineering and Management in Industrial System Vol 8, No 1 (2020)
Publisher : Badan Penerbit Jurnal, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jemis.2020.008.01.2

Abstract

This study aims to find out the features of a 2-door refrigerator product that suitable the needs and desires of consumers at this era. The need and ever-growing desire for refrigerator products is not just to condition food or drinks or other goods so that the condition remains fresh or controlled at a certain temperature. The method used is Quality Function Deployment (QFD) by capturing customer voice (VOC). With this method the consumer voice obtained is then translated into product technical requirement in the development of new products. In this study the products studied were 2-door refrigerator products types that were suitable for the needs of consumers with a small number of families with consumer routines activities. The results of the study it was found that, there are 3 big points of the 2-door refrigerator products that consumers want that rapid freezing time, low prices, and low electricity consumption. To achieve this requirement, the fabrication company carries out air flow type modification, efficiency production cost, material usage and use of special components to get efficient energy products.
EFFECT OF REPETITIVE WELDING USING ORBITAL GMAW ON TENSILE PROPERTIES OF AISI 304 AUSTENITIC STAINLESS STEEL PIPES Nur Izan Syahriah binti Hussein
Journal of Engineering and Management in Industrial System Vol 8, No 1 (2020)
Publisher : Badan Penerbit Jurnal, Faculty of Engineering, Universitas Brawijaya

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Abstract

Repair welding is often carried out in steel structural components. The main intention of repair welding is by providing a cure for existing welding defects during initial stages or weld deterioration during their services that can increase the service lives or performance of components. Repair welding is a better choice as compared to replacing the parts because it is a more economical, faster and reliable method to make a part come back to its services when failure of the parts is identified. In this study, the effect of welding parameters on tensile properties of AISI 304 austenitic stainless steel pipes was investigated. The best set of parameters was suggested by using Taguchi method as the design of experiment and analysis. Results showed that the optimum set of parameters for achieving highest ultimate tensile strength (UTS) values was when arc current, arc voltage and welding at 160 A, 22 V and 50 mm/min, respectively. On the other hand, the optimum set of parameters for achieving highest elongation percentage was when arc current, arc voltage and welding speed at 160 A, 22 V and 40 mm/min. Based on the optimum set of parameters, the repetitive welding to replicate a repairing process was performed. It was evidenced that the UTS showed an increasing trend up to the second repair (RW2) before decreased after the third repair (RW3). The highest value of UTS obtained at second repair (RW2) was 525.51 MPa. The repair welding has caused dynamic changed in the microstructure of the weldment. Therefore, the number of optimum repetitions for the AISI 304 austenitic stainless steel pipes was proposed up to second repair.
IMPLEMENTATION OF FUZZY ANALYTICAL NETWORK PROCESS IN PRIORITIZING TRANSPORTATION PROBLEM Alina Cynthia Dewi
Journal of Engineering and Management in Industrial System Vol 8, No 1 (2020)
Publisher : Badan Penerbit Jurnal, Faculty of Engineering, Universitas Brawijaya

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Abstract

The main goal of this research is to help decision maker in prioritizing transportation problems. Although numerous criteria were identified, the critical problems of transportation is less investigated. In order to fill this gap, this study was carried out to prioritizing the critical problems of transportation. The approach developed in this study implements fuzzy ANP to determine the weight for transportation problem criteria and sub criteria. As a result, the highest rank sub criteria was identified, that is “Professionalism” (0.203), followed by “Personal vehicle preferences” (0.190) and “E-ticket” (0.145). Although prioritize of transportation problems were identified, future research needed to develop the alternative strategy for developing transportation improvement strategies.
THE CORRELATION BETWEEN PHYSICAL WORK ENVIRONMENT AND FATIGUE LEVEL ON THE PACKAGING PRODUCTIVITY OF THE REPETITIVE TASK IN SITTING POSITION Renny Septiari
Journal of Engineering and Management in Industrial System Vol 8, No 1 (2020)
Publisher : Badan Penerbit Jurnal, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jemis.2020.008.01.3

Abstract

The packaging is one of the industrial tasks in beverage an industry which is repetitive and monotonous with the same position throughout the day. In order to complete the packaging process, the workers do the tasks in sitting position during one work shift. Sitting position at work is commonly applied in both service and manufacturing industry. This position is mostly applied because it is considered to make a worker feel comfortable in finishing the task. Being supported by a comfortable physical work environment, a worker may sit in long hours during the workday. The aim of the study was to determine the level of productivity of the task done in the prolonged sitting position and affected by the work environment and level of fatigue. With software of SPPS 22 using analysis double correlation test, it was obtained that the value of Sig. F Change 0.027. The software analysis showed that the physical work environment and fatigue influenced packaging productivity significantly. R (the value of Pearson Correlation) obtained was 0.742 which means that there is a strong correlation between free variable (X) and bound variable (Y).R (the value of Pearson Correlation) obtained was 0.742 which means that there is strong correlation between free variable (X) and bound variable (Y).

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