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Service Quality Assessment using Servqual and Kano Models
Shanty Kusuma Dewi
Jurnal Teknik Industri Vol. 20 No. 1 (2019): February
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang
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DOI: 10.22219/JTIUMM.Vol20.No1.94-104
This study aims to assess the quality of services by integrating Servqual and the Kano model. In this study, Servqual is used to determine the quality criteria that must be improved. At this method, the quality criteria are based on the gap between customer perceptions and expectations for the services they receive. Meanwhile, the Kano method is used to categorize service attributes that satisfy customer needs. Servqual integration and the Kano model were carried out by synchronizing the Servqual gap value and the Kano model grade. Assessment of service attributes obtained from both methods produces service attributes that will focus on management’s improvement to improve service quality. The results showed that the attribute criteria that must be prioritized were attributes that included attractive and one-dimensional categories, which had weak types at Servqual. Improvements in attributes in attractive and one-dimensional categories will improve service quality and increase customer satisfaction.
The Determination of Preventive Maintenance using Simulated Annealing Algorithm based on Weighted Fitness Function
Yeny Krista Franty;
Budhi Handoko
Jurnal Teknik Industri Vol. 20 No. 1 (2019): February
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang
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DOI: 10.22219/JTIUMM.Vol20.No1.53-61
This study aims to determine the machine maintenance schedule. We use the Simulated Annealing Algorithm. Fitness and reliability functions are functions that are used in the optimization process. Several weighting scenarios are done to see the unity of the function. The results of the scenario produce several alternative schedules. This algorithm is implemented on machines that have more than one sub-machine. This sub-machine is a smaller engine system part. This sub-machine also has one particular function. The results of the study show that the optimal engine maintenance period to use is six periods. There are five scheduling scenarios used in this problem. The resulting schedule can increase the value of reliability and can minimize costs.
Location-Allocation Problems in the Perspective of Supply Chain: Approaches and Applications
Ilyas Masudin
Jurnal Teknik Industri Vol. 20 No. 1 (2019): February
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang
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DOI: 10.22219/JTIUMM.Vol20.No1.1-11
This article attempts to explore approaches and applications of the location-allocation problems in the supply chain perspective. A review has been done for articles which have relation with the approach of location-allocation problems that includes the drivers of the supply chain such as inventory, transportation, service level, and customer demand. Moreover, the application of location-allocation problems that consider supply chain drivers is also discussed. In this article, a discussion of location-allocation discussions previously investigated by researchers is done through a literature review published in several reputable journal databases. 48 articles successfully collected and reviewed related approaches and applications used by researchers in location-allocation problems in a supply chain perspective. Analysis of the findings of this article can be summarized that approaches of the location-allocation problem in supply chain perspective can be divided into 2 areas: the echelon of the supply chain and the drivers of the supply chain.
Implementation of CPPB-IRT, WISE, and Halal Guarantee System on Bread Production
Bambang Suhardi;
Nabilla Indah Putri;
Rahmaniyah Dwi Astuti
Jurnal Teknik Industri Vol. 20 No. 1 (2019): February
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang
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DOI: 10.22219/JTIUMM.Vol20.No1.22-33
Bread is food that many consumed in Indonesia. It usually consumed and a substitute for rice. PT. X is an Indonesian company that produces dry bread and wet bread. The company must implement a Good Manufacturing Process (GMP) and Halal Guarantee System (HGS) to ensure the food safety that the company produced. The company is also obliged to pay attention to Occupational Safety and Health in the work environment by applying WISE. This study consists of five staged. The stages include identification of the condition of the company, CPPB inspection, WISE examination, HGS inspection, and proposed improvements in the production process. The results of the study show some elements that have not been fulfilled. These elements include 6 CPPB elements, 9 WISE elements, and 8 HGS elements. The results of the study also provided several studies. Some of the recipients were improvements in the Standart Operational Procedure (SOP) for the receipt and receipt of materials, and the SOP for the receipt and receipt of industrial non-processed materials.
Performance Measurement using the Integrated Performance Measurement System Approach
Nurul Aziza;
Patdono Suwignyo;
Ahmad Makki
Jurnal Teknik Industri Vol. 20 No. 1 (2019): February
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang
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DOI: 10.22219/JTIUMM.Vol20.No1.73-84
As a non-profit organization in education, Senior High School has the responsibility to achieve educational goals. The school is required to have accountability to the public. Performance measurement is needed to determine organizational performance. Performance measurement can also find out the company's success in vision and mission. This study aims to measure performance in schools use an integrated performance measurement system (IPMS). This method becomes the starting point for setting goals and identifying Key Performance Indicators (KPI). The results of IPMS produced eight objectives and 33 KPIs. Objectives performance includes human resources, curriculum, finance, administration, teaching and learning activities, evaluation processes, work programs, and graduation. The results showed that 8 KPIs were red, 4 KPIs were yellow, and 11 KPIs were green. This performance measurement model can also be used in other organizations. This performance measurement model helps assess organizational performance.
Selection of Furniture Raw Material Suppliers using Fuzzy Analytical Hierarchy Process
Much Djunaidi;
Chairul Diah Utami;
Ahmad Kholid Alghofari;
Hafidh Munawir
Jurnal Teknik Industri Vol. 20 No. 1 (2019): February
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang
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DOI: 10.22219/JTIUMM.Vol20.No1.12-21
The raw material is an essential aspect of ensuring smooth production. The selection of raw material suppliers needs to be done to sustain the company's production and development. Wisarka company is an export-oriented furniture company. It uses water hyacinth (Eichhornia crassipes) as the primary raw material. The company is required to maintain and improve performance. The company needs to select the right supplier. This study uses the Multi-Criteria Decision Making (MCDM) the Fuzzy Analytical Hierarchy Process (FAHP) method. It was used for selecting suppliers with criteria like price, quality, flexibility, delivery, warranty, and service. The result of the study show FAHP effective in selecting suppliers.
The Effect of Demographic Character on the Intention of Muslim Consumer Behavior to Shop at Neighbor Store
Wandhansari Sekar Jatiningrum;
Amalia Yuli Astuti
Jurnal Teknik Industri Vol. 20 No. 1 (2019): February
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang
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DOI: 10.22219/JTIUMM.Vol20.No1.85-93
This study aims to find out factors related to the behavioral intention of Muslim consumers to shop in neighborhood stores. The Islamic leaders urged the Muslim community to do the social movement to buy for neighborhoods. Its movement is as one form of spirit 212. Spirit of the actions of Muslims in Indonesia in December 2016 through prayer and prayer together to strengthen the kinship of Muslims. The behavioral intention of Muslim consumers to shop at a neighborhood store in Yogyakarta is thought to be influenced by attitude, subjective norms, behavioral control, religiousness, and affective commitment to be affiliated with spirit. Consumers have the characteristics of adhering to Islamic principles. Demographic characters are also considered to influence consumer preferences for each factor. In the descriptive analysis, the average respondent's answer to religious factors has the highest score than other factors. In the independent t-tests and ANOVA, the average responses of answers on gender significantly different on education, age, occupation, and income.
Optimization of Electroplating Thickness Quality at Hip Joint Implant using the Taguchi Method
Sela Angela Putri;
Eko Pujiyanto;
Joko Triyono
Jurnal Teknik Industri Vol. 20 No. 1 (2019): February
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang
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DOI: 10.22219/JTIUMM.Vol20.No1.45-52
The hip joint is one of the most often used joints by humans in their activities. The hip joint can be impaired if an accident or an illness such as osteoarthritis-affected. It makes the patients need to get implants to restore their productivity. The implant must be biocompatible, bioactive, and have high strength and resilience to prevent damage. The implants in this study were made from 304 Stainless Steel. One of the stages in making implants is the electroplating process. The electroplating method implemented is hard chrome. Some operating conditions that affect the electroplating process and are used as independent variables are the concentration of chromic acid, electrical voltage, and length of coating time. This study aims to Optimization of Electroplating Thickness Quality at Hip Joint Implant. This study uses the Taguchi method to design the experiment and to obtain the optimum electroplating thickness results. ANOVA is used to obtain the effective prediction of the significance level. Process ANOVA was helped Minitab 16. Based on the ANOVA, it is known that the most significant factor for the electroplating thickness is the concentration of chromic acid, the voltage, and the least influential factor is the electroplating time.
The Measurement of Physical Workload and Mental Workload Level of Medical Personnel
Dian Palupi Restuputri;
Anindia Karunia Pangesti;
Annisa Kesy Garside
Jurnal Teknik Industri Vol. 20 No. 1 (2019): February
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang
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DOI: 10.22219/JTIUMM.Vol20.No1.34-44
As the primary health reference center, a hospital must provide excellent quality services to each patient. The impact of the extreme physical and mental workload causes negligence in activities. It affects the quality of services provided by medical personnel. This study investigated the level of mental workload and physical workload in medical staff in a hospital. This study was conducted at 15 units in the hospital. The mental workload was assessed using the NASA-TLX Questionnaire. The physical workload analysis was carried out with the Heart Rate reserve percentage of medical personnel. This study shows that the mental workload of nurses in the Intensive Care Unit (ICU) is higher than the other units. Whereas the calculation of physical load using % HR reserve turns out the nurse's head in-unit class 1 has the highest value than the other unit. The statistical analysis showed a difference in the general practitioner workload toward the Head of Nursing.
An Effective Hybrid Sine Cosine Algorithm to Minimize Carbon Emission on Flow-shop Scheduling Sequence Dependent Setup
Dana Marsetiya Utama
Jurnal Teknik Industri Vol. 20 No. 1 (2019): February
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang
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DOI: 10.22219/JTIUMM.Vol20.No1.62-72
Recently, carbon emissions have become a major environmental problem. In the industrial sector, carbon emissions account for half of the world's total carbon emissions. This article discusses the issue of scheduling Flow Shop Sequence Dependent Setup (FSSDS). It aims to minimize carbon emissions. The algorithm proposed is the Hybrid Sine Cosine Algorithm (HSCA) to solve FSSDS problems to reduce carbon emissions. We offered one of some search agents in the SCA using NEH. The algorithm is used for some tests on different jobs and machines. Several experiments were carried out to test the parameters and effectiveness of the algorithm. The parameters used in the trial are population and iteration. As a result, several parameters were proposed to HSCA to minimize carbon emissions. In the effectiveness test, the HSCA showed better performance compared to the simulated annealing and cross-entropy algorithm.