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Corresponding Author
Sitti Hamidah Mujahidah
Institutions
Universitas Airlangga
Abstract
Along with the development of Islamic banking increasingly rapidly with a variety of products and services offered, many customers decide to move from conventional banks to Islamic banks. This is due to the many factors that influence the customers decision to switch banks. The purpose of this study was to determine the extent to which the determinants of customer behavior shifted from conventional banks to Islamic banks in the Yogyakarta Special Region. This research is a quantitative research, data collection techniques by distributing questionnaires and literature studies. The sampling technique uses purposive sampling method. Analysis tool using Logistic Regression. The results of this study note that the results of the t test (partial) indicate that the Cost variable has a positive and significant effect on the behavior of conventional bank customers to switch to Islamic banks with a probability value of 0.008 (0.008 <0.05), Discomfort variables have a positive and significant effect on the behavior of conventional bank customers to switch to Islamic banks with a probability value of 0.007 (0.007 <0.05, Failure variable of core service delivery has a positive and significant effect on the behavior of conventional bank customers to switch to Islamic banks with a probability value of 0.009 (0.009 <0.05), competitors attractiveness variables have a positive and significant effect on the behavior of conventional bank customers to switch to Islamic banks with a probability value amounting to 0.020 (0.020 <0.05, Ethical Problem variables have a positive and significant effect on the behavior of conventional bank customers switching to Islamic banks with a proobability value of 0.014 (0.014 <0.05), and the Unintentional variable Switching has a positive and significant effect on the behavior of conventional bank customers turning to Islamic banks with a probability value amounting to 0.044 (0.044 <0.05). The results of the f test (Simultaneous) show that independently together have a positive and significant influence on the behavior of switching conventional banks to Islamic banks. This is evident from the results of the t test and the f test produces a significance value of 0.000 (0.000 <0.05). The R Square value of 0.891 states that the independent variable is able to influence the dependent variable by 89.1%. While the remaining 10.9% is explained by other variables outsidethisresearch.
Keywords
Determinants, Customer Behavior, Banks
Topic
Social and Economic Issues
Corresponding Author
OCTYAN DANES SIREGAR
Institutions
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Airlangga
Abstract
The Very Poor Household Jalin Matra Program implemented by East Java Provincial Government is the answer to all poverty problems in East Java Province. The high number of poor people in East Java is the main reason this program exists as a solution. This program provides assistance in the form of business capital to very poor heads of households. The purpose of this research is to examine to what extent the successful implementation of the program can improve the peoples welfare. The research method used is descriptive in a qualitative approach. This research applied William N. Dunns policy evaluation theory as the policy benchmark, to analyze evaluations that can be examined with the criteria of effectiveness, efficiency, adequacy, leveling, accuracy and responsiveness. The said policy evaluation theory is supported by Chambers Poverty Theory to explore more about the causes of the poverty. The evaluation of the very poor household jalin matra program took a case study in the village of Urek-Urek, Malang Regency, and happens to have only two criteria that went well, namely Efficiency and Responsiveness. Whereas the other evaluation criteria have not been fulfilled properly. Many things still need to be observed due too many shortcomings occured in the implementation of the policy programs. One example is the absence of a form of sustainability evaluation by the government in each village that receives assistance. The thing that has become the focus is the need for conformity of data that becomes a policy reference with the actual society conditions and conducts regular evaluation stages in each year of program implementation in the villages that become the policy targets.
Keywords
Evaluation of Jalin Matra Program, East Java Provincial Government, Poor Society
Topic
Social and Economic Issues
Corresponding Author
Wimo adi nugroho Setiyanto
Institutions
Program Studi Magister Sains Hukum dan Pembangunan Sekolah Pascasarjana Universitas Airlangga
Kampus B. Jl. Airlangga No. 4-6, Surabaya 60286, telp. (031) 5041566 / fax. (031)
Email: wimo.nugroho-2017[at]pasca.unair.ac.id
Abstract
Legal Construction has become an important aspect in implementing in local government institutions. Related to the implementation, human resources are needed as supporters. Contract workers/Outsourcing are one of the human resources in carrying out operations in a local government institutions. Associated with the assistance needed from human resources through the acceptance process using existing rules. In this sociolegal study, researchers examined the legal construction used in relation to contract workers/outsourcing in the local government. The results of this study indicate that there is still no right provision in terms of contract workers, so the law related to the contract workers is uncertain. Some employee rights do not remain covered or unprotected.
Keywords
Legal Construction, Contract Workers/Outsourcing, Local Government Institutions
Topic
Human Resource Development
Corresponding Author
YUSUF KURNIAWAN
Institutions
Universitas Airlangga
Abstract
In a last decade many researchers around the world talk about mosque, However in majority they just focus on the building and the architecture itself. Rarely they discuss the function and effect of mosque to society, especially in social and economic area. With the power of masjid as the central payment of Infaq, Zakah and Waqf, mosque become the only one institution that always have sustainable growth and stable of financial revenue, The one of main goal of the discussion is to find a pattern and or framework which can easy to replicate. Therefore we take Indonesia as a subject, it has the most mosques and top muslim population in the world. Based on the discussion, it is suggested that mosque can be the center of civilization and economic tools and triggers through financial-based and community-based management systems.
Keywords
mosque, social impact, community, financial management
Topic
Social and Economic Issues
Corresponding Author
Muhammad Amin
Institutions
School of Postgraduate Studies, Universitas Pendidikan Indonesian, Bandung
Abstract
This study aims to analyze behavioral variables, Behavior intention to use online shopping (X1), Perceive behavioral control using online shopping (X2), Attitudes toward behavior online shopping (X3), perceived ease of using online shopping applications (X4) and Perceive usefullness online shopping (X5) as a predictor of the use of online shopping and correlation between variables. Based on the testing of multiple linear regression, the results showed that the dependent variable behavior intention to use online shopping, perceive behavior control using online shopping behavior, attitudes toward the use of online shopping, perceived ease of using online shopping applications and the perception of the benefits of using online shopping could be predictors of actual system use online shopping. Based on the results of the validity test with the Pearson correlation method, the results show that there is a relationship between each variable
Keywords
Online Shopping, Perceive Behavior Control, Perceive Ease of Use, Perceive Usefullness, Attitudes Toward Behavior, Behavior Intention, Actual System Use, Regression and Correlation
Topic
Marketing Management
Corresponding Author
I Gusti Agung Putu Mahendrayasa
Institutions
Fakultas Kesehatan Masyarakat Universitas Airlangga
Abstract
Japanese Encephalitis is one of the main causes of inflammation in the human brain. This case most commonly found in the Province of Bali. Positive case discoveries experienced an increased from 2014 to 2015 and decreased in 2016 and 2017. The Japanese Encephalitis disease prevention and control program has not been carried out optimally, resulting in case of “under reported”. The purpose of this research is to evaluate the implementation of the Japanese Encephalitis surveillance system based on surveillance attributes at the Bali Provincial Health Office. This research used descriptive study with design of “a cross-sectional research”. The research informants numbered 10 people which consisted of surveillance officers at the District or City and Bali Province Health Office. The research variables that used in this research are Inputs, Process, Output and Surveillance Attributes. The results of this study indicate that the most “positive cases” of Japanese Encephalitis in Bali Province mostly occurs in the group of male aged 1-4 years, in Buleleng Regency on March 2017. The problems with Input are data sources and the absence of risk factor data. The problem with the process are data analysis and interpretation have not been carried out routinely. The problems with Output are epidemiological information, information dissemination and feedback have not been routinely implemented. The surveillance attribute showed the Japanese Encephalitis surveillance system are not simple, inflexible, low acceptability, not sensitive, low positive predictive value and low data quality. The conclusion is the surveillance system has not been effective and efficient.
Keywords
Japanese Encephalitis, Evaluation, Surveillance System, Atribute
Topic
Health and Medicine
Corresponding Author
Myrtati D. Artaria
Institutions
^Department of Anesthesiology and Reanimation, Faculty of Medicine, Universitas Airlangga. Dr. Soetomo Hospital, Jalan Mayjend Prof. Dr. Moestopo No. 6-8, Gubeng, Surabaya 60286, Indonesia
*Department of Anthropology, Universitas Airlangga, Jl. Airlangga 4-6 Surabaya 60286, Indonesia
*Corresponding author: myrtati.artaria[at]fisip.unair.ac.id
Abstract
The provision of adequate tidal volume (TV) (6 ml/kgBW) based on Predicted Body Weight (PBW) is one of lung protective ventilation measures. In this study we compared TV and PBW from the measurement of body length on supine position (recumbent length) with those obtained from the estimation of body height from ulnar length, demi-span, and knee height (knee height). The sample was obtained from 22 patients aged 17-60 years, who used mechanical ventilation in the Intensive Care Unit in September-October 2017 and met inclusion and exclusion criteria. In all patients, PBW and TV were estimated from the measurement of body length, then compared with PBW and TV from the body length estimation from ulnar length, demi-span and knee height. There were 14 males (mean age 38.6, SD 16.18) and 8 females (mean age 44, SD 12.62) participated in this study. PBW and TV results from body length measurement and estimated body height from knee height (KH) and demi-span (DS) in each sex did not show significant differences. Nevertheless, males showed lower results and females tended to be higher, whereas PBW and TV from ulnar length measurements showed significant differences in both males and females (p <0.005). Demi-span and knee height can be used as alternatives in body height measurements as the basis for measuring predicted body weight and tidal volume in bed confined patients treated at Intensive Care Unit.
Keywords
Tidal volume; predicted body weight; height estimation; knee height; demi-span; ulnar length; recumbent length
Topic
Health and Medicine
Corresponding Author
Myrtati D. Artaria
Institutions
*Study Programs of Media and Communication, FISIP, Universitas Airlangga, Surabaya, Indonesia
^Auckland University of Technology, Auckland, New Zealand.
**Dept. of Anthropology, FISIP, Universitas Airlangga, Surabaya, Indonesia.
Corresponding author: myrtati.artaria[at]fisip.unair.ac.id
Abstract
In Bali, gays have started to emerge and grow in number. They leave their traces in various social-media to reveal themselves or expect to find their partners. This self-exposure on public has different forms, starting from introducing themselves which may eventually bring into building a relationship or simply ending the communication due to lack of relational compatibility with their same sex partner. This research aims to find out the way how gays reveal their identity, especially in their family environment. This study uses quantitative research methods using questionnaires, with a total of 40 respondents living in Seminyak, Bali. Data analysis uses descriptive statistics which examine or describe the data that has been collected, as it is, without making or giving any general conclusion. Based on the results of data analysis, it can be concluded that the vast majority of gays in Bali possess a very good interpersonal communication with their families, as shown by the five indicators of interpersonal communication that have been formed well among their family members in the communication framework processes related to inner harmonious relationships with their family.
Keywords
homosexuality, interpersonal communication, family, self-exposure
Topic
Human Mobility and Culture Diversity
Corresponding Author
najiatun najiatun
Institutions
(a) Student of the Master of Science in Islamic Economics, School of Postgraduate University Press
(b) Department of Islamic Economics, Faculty of Business and Economics, University of Airlangga
Abstract
The banking industry in its development experience satisfactory results. The financial performance of bias used to measure the progress. The purpose of this study was to compare the profitability of Islamic banks and conventional banks in Indonesia period 2010-2017. The data used consists of 8 Islamic banks and 9 banks Conventional in Indonesia in the period 2010-2017. The findings of this study is a comparison of profitability (ROA) in Islamic banks and conventional banks, the dependent variable Return on Assets ( ROA) had no significant effect to Capital Adequacy Ratio ( CAR). then to Financing to Deposit Ratio ( FDR) / Loan To Deposit Ratio (LDR) had no significant effect. But for the negative influence of Islamic banks. Whereas for Non Performing Financing ( NPF) / non-performing loans (NPLs) that the results are significantly better than Islamic banks or banks conventional.
Keywords
Profitability, Islamic Bank, Conventional Bank, ROA, CAR, FDR / LDR, NPF / NPL.
Topic
Social and Economic Issues
Corresponding Author
Ian Firstian Aldhi
Institutions
Student of Master Program Study of Human Resource Development, Postgraduate School of Universitas Airlangga, Jl. Airlangga No. 4-6, Surabaya, Indonesia
e-mail : ian.firstian.aldhi-2018[at]pasca.unair.ac.id
Abstract
The current generation is experiencing a cultural identity crisis and nationalism, people are more interested in imported products than domestic products. Generation Y is the generation that grew up in the internet era and generation Z is the first global generation that has real expectations in their workplaces, career-oriented, generation of ambitious professionals, technical abilities and high level of language knowledge. Digitizing the Keraton Nusantara Festival (FKN) is an idea that aims to update access to the information of the Keraton Nusantara and overhaul the contemporary generation paradigm of the palace. FKN Digitization Agenda has 3 important points, namely (1) Massive and Effective Palace of Branding, (2) Palace of Big Data, (3) Indonesian Empire Ultra Festival. With enthusiasm optimistically this FKN Digitizing agenda has a positive impact on all aspects, economically, it is very good for the present generation of Indonesia to be more proud and concerned about their own native culture and increase their sense of nationalism into their soul.
Keywords
Multicultural Education, Generation Y, Generation X, Identity Crisis
Topic
Human Mobility and Culture Diversity
Corresponding Author
A Indah Camelia
Institutions
Faculty of Law - Universitas Airlangga
Abstract
On 2016, Indonesia ratified Maritime Labour Convention (MLC) 2006 into force by Act No.15/2016. Consequently, the convention become legal source for minimum standard treatment for seafarer who involved in shipping industry in Indonesia. The convention known as “the bill of rights of seafarer” clearly declared the obligation of employers and contracting states to comply certain condition set up by the MLC 2006. Therefore, at August 2018, the Director General of Sea Transportation issued a regulation NO.: HK. 103/3/ 13/DJPL-18 regarding the Procedure of Certification for seafarer according to MLC 2006. The rules lead to a new challenge for national shipping industry to maintain their business on track, when a certain capital investment required to comply with MLC 2006. Indeed, Data from the National Agency for Placement and Protection of Indonesian Workers (BNP2TKI) shows that 80% of Indonesian migrant workers identified as seafarer. Then it found some of them receive less than minimum standard based on their contracts. Before MLC 2006, the law instrument to protect the seafarers rights as labour govern by sectoral rules, such as : Merchant Shipping (Minimum Standards) Convention, 1976, Seafarers Hours of Work and the Manning of Ships Convention, 1996, etc. On the other hand, Indonesia government never has particular regulation concern for seafarer, consequently the protection provide by government for these worker very minimum.
Keywords
MLC 2006 (Maritime Labour Convention), seafarer, comply
Topic
Law, Police and Forensic
Corresponding Author
Fakhrul Azzami Miftakhuddin
Institutions
Faculty of Social and Political Science, Airlangga University
Abstract
Education is now a fundamental dijaman is currently a very complex problem. And it gave birth to a variety of models for the state to provide education system for every citizen. As in Banyuwangi district that initiated the schools student assistance program that Foster Peer Student program (SAS). This program is a program that aims to help children who are less able Banyuwangi by way of the students volunteered to raise funds to help her educational costs less fortunate. The fund is managed by the respective schools by providing a report to the education authorities every three months, this is an attempt by the government to realize the 12-year compulsory education in Banyuwangi. The purpose of this study to identify and analyze the impact of the Foster Student Scholarship Peer Education Program Banyuwangi. Data collection techniques with deployment interviews and observations, the data is processed and analyzed qualitatively. The results showed that along with a variety of safety net programs of education in Banyuwangi, after the implementation of the program students foster peer in the district banyuwangi there has been a change in social attitudes towards the grantee the informants scholarships, educational assistance used to support educational lived better and informants active in one of the extracurricular activities in the school to its responsibilities because it has provided educational assistance to him and this is an initiative of the students who received the scholarship.
Keywords
Education, Peer Foster Students, Assistance
Topic
Education, Community Engagement
Corresponding Author
DWI TRINAWIZA AGUSTIA
Institutions
Universitas Airlangga
Abstract
For Minang people, migrating to other cities is not just about a migration which move out from their homeland leaving their friends, parents, even their wives and their children, but it is more than that. Migrating to other cities is a form of tradition which has passed down from one generation to another generation, and it is also a forms of a struggle to become more valuable human beings especially in view of their personal beings and family, so in their societies in general. This study used a qualitative analysis approach in revealing the adaptation of Minang migrants taken from various professions in Surabaya. The results of the study show that Minangs philosophical and cultural values not only helping in the process of adaptation in their daily life and their working environment but also playing an important role in shaping the characters of Minang migrants in Surabaya that have impacts on their work performance.
Keywords
Philosophical, cultural values, performance.
Topic
Human Mobility and Culture Diversity
Corresponding Author
Fitria Nurma Sari
Institutions
Airlangga University
Abstract
Waqf is a charity charity activity, which is to give our personal property for the public or social interests. This activity is Islamic philanthropy which has the main function as an instrument for distributing wealth in peoples lives, this instrument can be a source of funding for Nazir waqir, and has a position as an alternative instrument that has more benefits to replace the ribawi capital system. The development of waqf is now increasingly evident from the various forms of waqf, one of which is stock waqf. Stocks become financial instruments which in the last 5 years have been in great demand by millennials. The Indonesian stock exchange itself recorded a growth of investors from the millennial group, which increased sharply by 200,000 single investor identification (SID). This is an opportunity for waqf instruments to expand, making shares as one of the objects of their endowments. The task of waqf management institutions (BWI) here must be able to develop bonds and stock waqf, increase the concept of waqf, establish waqf administration. Endowments in education must be implemented and appreciated so that it will become a sustainable paradigm shift and to develop peoples living standards and to further improve the economy of the community.
Keywords
Waqf, Stock, Islamic Philanthropy
Topic
Social and Economic Issues
Corresponding Author
Myrtati D. Artaria
Institutions
, Anggraini Dwi Sensusiati^, Ahmad Yudianto*, & Myrtati D. Artaria**
Abstract
Oral
Keywords
^Pasca Sarjana, Universitas Airlangga, Surabaya, Indonesia
Topic
Radiology, Medical School, Universitas Airlangga, Surabaya, Indonesia
*Forensic, Medical School, Universitas Airlangga, Surabaya, Indonesia
**Anthropology, FISIP, Universitas Airlangga, Surabaya, Indonesia
Corresponding author: myrtati.a
Corresponding Author
Elsyahfira Nabilla Ammary
Institutions
Master of Human Resource Development Science Faculty of Post Graduate School Universitas Airlangga
Abstract
Surabaya is the second biggest city in Indonesia and also the capital city of East Java province. In addition, Surabaya is the economic center in East Java. There are so many jobs available in Surabaya. Nowadays along with the entry of economic digitalization in Surabaya job field became more diverse. One of that job is a driver of online based transportation. Not just men, women also can join in this job as a driver of online based transportation. But, women who work as driver of online based transportation often get negative stigma from community. This research will describe about the impact of community negative stigmatization on personality development of women driver of online based transportation. Data collecting method in this research are observation and interview. The research result shows that community negative stigmatization toward women driver of online based transportation influenced by patriarchy culture in community where driving job known as a man job. The impact of community negative stigmatization on personality development for women driver of online based transportation divided into positive impact and negative impact. The negative stigmatization tend to underestimate women driver, such as weird, prone to get sexual harrasement, "naughty", and can not drive safely. Based on this research women driver of online based transportation make that negative stigmatization as a motivation to work harder. Then they have a tough personality, independent, and confident.
Keywords
Gender, Personality Development, Women Driver
Topic
Social and Economic Issues
Corresponding Author
Winona Almira
Institutions
Airlangga University
Abstract
A Smart City concept is recognized as one of the effective ways to overcome the complexity of urban problems. With the development of digital and information technology, including the utilization of big data and internet, Smart City is considered capable of overcoming social, economic and environmental issues more accurately and efficiently, resulting in a better quality of life. Indonesia government has launched several programs to encourage Smart City implementation as one of sustainable urban planning. In its implementation, the concept of Smart Cities requires involvement and connection between the components of technology, government, and society. Smart City must be inhabited by city residents who are socially engaged with technology and always participate in public activities. Smart People become an important element which support social and human capital. Unfortunately, some cities still has problems with community in city corners who still not technologically literate. To fill this problem gap, we propose a gamification model based on mobile application that can digitally engage and motivate people towards success Smart City. This innovation will not only give benefits for growing Smart People, but also Smart Economy. Our experimental results may be used by government as a guideline in the development of sustainable cities in Indonesia.
Keywords
smart city, human resource development, information technology
Topic
Human Resource Development
Corresponding Author
Devy Iziana Pradini
Institutions
Airlangga University, Master of Notarial Law
Abstract
The development of technology in this very dynamic era of globalization makes everything done easier, faster and more efficiently. Shopping that used to be done face to face, can be done online, there are lots of online shopping offers that can be selected and used by the community. After this online shopping exists, online credit also appears. In the banking world, credit is usually submitted by prospective debitors to the bank face-to-face, but now there is no need for prospective debitors to meet face-to-face, all credit matters can be given out by simply downloading the application provided then credits can be submitted. The convenience offered by this internet convenience, which makes the role of banks that functionality to collect and channel funds in the community easier. Online credit, which is a new facility owned by banks, has made banks more careful in applying the precautionary principle, so that banks as creditors are not wrong in giving credit to prospective debtors because they are still strict in implementing the 5C principle in banks.
Keywords
Creditors; Online Credit, Banking
Topic
Law, Police and Forensic
Corresponding Author
Eko Wahyudi
Institutions
a) Master of Management, Faculty of Economics and Business, Universitas Indonesia
Kampus UI Salemba, Jakarta, Indonesia
*ekowahyudi2002i[at]gmail.com
b) Faculty of Economics and Business, Universitas Indonesia
Kampus UI Salemba, Jakarta, Indonesia
Abstract
This study aims to develop a perceivable financial statement format at SME Four Coffee. The research conducted by using a qualitative method, while data analysis technique used descriptive analysis with a qualitative approach. Data collection techniques used are in-depth interviews, observation, and documentation. The researcher also describes, interpret and explain the situation at hand, together with intervening in order to make improvements to the research object. Based on the analysis, SME Four Coffee yet has the desirable correct financial statement format as internal decision-making materials and reference data for prospective creditors or investors. The results of this research are the utilization of web-based accounting software by doing optimization and customization of the output produced to obtain a desirable financial statement presentation. The use of accounting software does not always provide an output that is in accordance with the expectation of the SME so that further customization is required over the output. On the other hand, by accepting technological advances such as accounting software technology is also very useful for SME to speed up the process and reduce human error in order to build a perceivable financial statement.
Keywords
Financial statement, Web-based application, Accounting software, SMEs, Four Coffee
Topic
Digital Technology For Business
Corresponding Author
Eliot Simangunsong
Institutions
School of Business and Economics
Universitas Prasetiya Mulya
JL. RA. Kartini (TB Simatupang)
Jakarta 12430
Abstract
Retail industry has undergone several transformations over the years. Currently there are three types of retail channel from a logistical perspective. The first type is single-channel logistics, where retail traders operate one sales channel and the logistic system is dedicated for one channel. The second type is multi-channel logistics, where retail traders use several channels, such as store and direct sales. The third type is omni-channel logistics, where retail buyers and traders do not differentiate channels. Shared logistics management is usually available through e-commerce and online sales. The objectives of this research are to investigate retail transformation trend from offline retail traders to multi/omni-channel logistics and identification of suitable business strategy. By using an empirical quantitative approach in the form of a survey, data from 114 electronic retailers have been collected, consists of 70 respondents are retail stores that have both offline and online stores and 44 respondents only have offline stores. The result of analysis shows that most retail transactions are offline transactions where buyers have to go to the retail stores to claim their products. However, there is enough empirical evidence that retail that use multi-channel and omni-channel logistics have better financial performance compared to offline stores only. Three critical factors have been identified to contribute to the total retail sales increase. Firstly, price discrimination in product delivery, secondly, the existence of dedicated resources (space and staff) that are optimally used in terms of work time efficiency and buyer service, and thirdly, the ability for consumers to see every goods or stocks in all retail shops/warehouses.
Keywords
E-Commerce; B2C; Multi-channel; Omni-channel; Logistic
Topic
Management
Corresponding Author
Demarda Kalimanto
Institutions
Civil Engineering Department Universitas Indonesia, Kampus UI Depok 16424 Indonesia
*Correspondance author : sigit[at]eng.ui.ac.id
Abstract
Traffic movements in the city of Jakarta is linked to the Jakarta Outer Ring Road (JORR) Toll Road. This road network has a high traffic volume because it is integrated with other toll roads that connect between an other cities of Jakarta. The condition of roads heavy traffic volume in the event of road rehabilitations will cause travel obstacles starting from increasing travel time to the long delay in traffic flow at the window time. The travel delay caused losses to road users. Road management must make attention to the impact of the zone rehabilitation to losses time by road users, especially on toll roads. This study analysis the impact of changes in speed in the work zone with short, medium and long work areas. From these 3 types, it can be seen the costs by road users due to the travel time. Traffic surveys have been carried out on the Jakarta Outer Ring Road Toll Road (JORR) section S using the roadpod metrocount tool. This tool can calculate the decrease in speed along with the volume of traffic in the three locations of the work zone. Loss of road users due to travel delay is calculated from vehicle operating costs. The results of this study are known to increase vehicle operation costs by 20% to 40% due to a decrease in speed caused by work zone. The results of this study are expected to be make consideration of road operators in determining the time in choosing of rehabilitation by minimizing the losses of time from the road users.
Keywords
Road user cost; Work zone; Travel delay; Road rehabilitation
Topic
Civil Engineering
Corresponding Author
Iman Saefuloh
Institutions
1. Departement of Mechanical Engineering, Universitas Sultan Ageng Tirtayasa, Banten, Indonesia
2. Chemical ENgineering, Universitas SUltan Ageng Tirtayasa, Banten, Indonesia
Abstract
One of the ways to control corrosion is by using an inhibitor. Many alternative inhibitors have been used to control it. One of the inhibitors that can be used is inorganic inhibitor or chemical inhibitor. The use of inhibitor is indeed suitable to be applied to control corrosion attacks on internal pipes. The purpose of this study is to determine the effectiveness of the inhibitors used, the form of corrosion occurred, and the effect of the occurrence of corrosion on the hardness of the material given by the inhibitors. The test results in this study indicate that the use of sodium acetate and sodium nitrite is effective to inhibit corrosion attack rates. And based on the experiments, the form of corrosion that occurs is evenly corrosion.
Keywords
Inhibitor, Corrosion, Hardnes, Natrium Clorida, Natrium Asetat, Natrium nitrit
Topic
Mechanical Engineering
Corresponding Author
Rahman Faiz Suwandana
Institutions
a) Department of Metallurgical Engineering, Universitas Sultan Ageng Tirtayasa, Jl. Jenderal Sudirman Km 3 Cilegon, Banten 42435 Indonesia
*s.rahmanfaiz[at]untirta.ac.id
b) Institute of Atomic and Molecular Sciences, Academia Sinica, No.1 Sec.4 Roosevelt Road Taipei 10617, Taiwan
c) Department of Physics, National Taiwan University, No.1 Sec.4 Roosevelt Road Taipei 10617, Taiwan
Abstract
The assembly of graphene and other two-dimensional materials into artificial crystals termed van-der-Waals stacks has great potential to produce new materials without precedence in nature and develop novel electronic devices To reliably assemble 2D materials into such structures, however, a better understanding of the transfer process is required. Here we report a quantitative approach to examining the adhesion behavior during viscoelastic stamping of 2D materials. By measuring the adhesion of graphene to different carrier substrates and varying the peeling speed we have identified the range of adhesion of samples. The result shows that the adhesion occurs between graphene-graphene and graphene-SiO2 substrate have a higher value than the ability of PDMS stamp to pick up. A surface modification and an alternative substrate are needed to make the adhesion lower. With proper improvement, this work can be an option to realize an effective fabrication method of a two-dimensional heterostructure device.
Keywords
PDMS stamp, graphene, viscoelasticity
Topic
Materials Science
Corresponding Author
Retno Indriartiningtias
Institutions
a)Industrial Engineering Department, Trunojoyo University, Madura, Indonesia
*retnotmiitb[at]gmail.com, retno.indriartiningtias[at]mail.ugm.ac.id
b)Industrial Engineering Department, Gadjah Mada University, Yogyakarta, Indonesia
Abstract
Technology is one of key factors in achieving competitive advantage of an organization, especially those in creative industries. Through effective technology transfer is it expected to be transferred technology really can be absorbed and used by the creative industries. There are several factors that influence the effectiveness of technology transfer, there are:, the source of the technology, media transfer, forms of technology, receiver technology and many other variables. Some models and framework can also be used to study the relationship of the key factors of success with the effectiveness of technology transfer. Based on an conceptual model, this research aims to identify the key success factors of the process of technology transfer from the Trunojoyo University to creative industries in Bangkalan Madura. This study uses a multivariate approach by using principal component analysis and linear regression. Based on data from the four creative industries in Bangkalan obtained mathematical models Y = 0.830 + 0.379Internal Characteristics of Creative Industry + 0.450Characteristics of transferor - 0.371External Characteristics of Creative Industry. The model has a R2 value of 0.299, which means those factors capable identifies the effectiveness of technology transfer by 29.9%, the rest is explained by other factors that have not been identified.
Keywords
effectiveness technology transfer, creative industries, principal component analysis, technology
Topic
Industrial Engineering
Corresponding Author
Soesaptri Oediyani
Institutions
a) Metallurgical Engineering Department, Sultan Ageng Tirtayasa University, Banten 42436 - Indonesia
*s_oediyani[at]untirta.ac.id
Abstract
Sphalerite is the most important mineral in the formation of zinc metal. According to regulation of Ministry ESDM No.5/2017 stated that the minimum grade of zinc concentrates to be exported is 51%. Therefore, it is necessary to do a beneficiation process for sphalerite ore to fulfill the requirements. Sphalerite is hydrophobic mineral, therefore it is the best way to processed sphalerite by flotation. Flotation is the process of concentrating valuable minerals from impurities based on the nature of the mineral surface. Column flotation is a flotation technology without an agitator as a producer of air bubbles like conventional flotation machines. Recovery is the most important factor in flotation and it shows the rate of acquisition of the flotation process. The purpose of this research was to determine the effect of air flow rates (2, 2.5, 3, 3.5, and 4 L / min.), percent solid (7.5%, 10%, 12.5%, and 15%), dose of reagent frother (10, 20 , 30 and 40 ppm), and particle size of ore (-80 + 100
Keywords
local sphalerite ore, column flotation, recovery, frother, collector
Topic
Metallurgy Engineering
Corresponding Author
Akbar Gunawan
Institutions
(a) Department of Industrial Engineering, Universitas Sultan Ageng Tirtayasa. Jln Jend Sudirman Km.03 Cilegon Banten
*a68ar[at]untirta.ac.id
(b) Department of Industrial Engineering, Universitas Sultan Ageng Tirtayasa. Jln Jend Sudirman Km.03 Cilegon Banten
Abstract
The era of industrial revolution 4.0 was marked by the application of information technology in carrying out industrial activities, the application of information technology needed was the development of a website-based business application model to enhance competitive advantage. The sales system at CV Duta Dharma still uses a manual system. By relying on manual systems and starting to pay, this still doesnt feel enough to change significant sales increases. Therefore we need to design an e-commerce web-based online marketing information system, The components used in the design process of this system are Domain, Hosting, Wordpress, Woocommerce Plugins, MySQL, OS Windows 10, Microsoft Office (Visio, Word), Mozilla Firefox, Google Chrome browser. System modeling in e-commerce website design systems CV Duta Dharma designed context diagrams to find out shareholders, design decomposition to find out inputs, processes, and outputs. Then the design of data flow diagrams (DFD) to find out the data flow in the sales system at CV Duta Dharma, e-commerce website CV Duta Dharma has been designed and created with Wordpress CMS. This e-commerce website has bank transfer payment facilities and can be run well and is expected to make CV Duta Dharma better and make it easier in product marketing
Keywords
Industrial Revolution 4.0, E-Commerce, Information System, design
Topic
Industrial Engineering
Corresponding Author
Sidik Susilo
Institutions
a) Jurusan Teknik Mesin, Fakultas Teknik Universitas Sultan Ageng Tirtayasa
Jl. Jendral Soedirman KM.3 Cilegon 42435, Indonesia
*sidik[at]untirta.ac.id
b)Jurusan Teknik Mesin, Fakultas Teknik Universitas Sultan Ageng Tirtayasa
Jl. Jendral Soedirman KM.3 Cilegon 42435, Indonesia
c) Jurusan Teknik Mesin, Fakultas Teknik Universitas Sultan Ageng Tirtayasa
Jl. Jendral Soedirman KM.3 Cilegon 42435, Indonesia
d) Jurusan Teknik Mesin, Fakultas Teknik Universitas Sultan Ageng Tirtayasa
Jl. Jendral Soedirman KM.3 Cilegon 42435, Indonesia
e) Jurusan Teknik Elektro, Fakultas Teknik Universitas Sultan Ageng Tirtayasa
Jl. Jendral Soedirman KM.3 Cilegon 42435, Indonesia
Abstract
Modeling of electromagnetic energy harvesting on the vehicle suspension system is presented in this paper. This study uses the up and down movement oscillation of the shock absorber to vibrate the SDOF module which is consist coil and a permanent magnet. The mathematical model is developed by using Faraday law to estimate the electrical response of the energy harvester. The effect of resistance load is admitted in the mathematical model its effect on the performance of the energy harvester. The effect is investigated for different values of frequency and resistance load. This method proposed regenerative absorber is effective and practical for renewable energy applications.
Keywords
Modeling, Electromagnetic, energy harvesting, vehicle suspension
Topic
Mechanical Engineering
Corresponding Author
Ani Umyati
Institutions
(a*) Department of Industrial Engineering, Universitas Sultan Ageng Tirtayasa. Jl. Jend Sudirman Km.03 Cilegon Banten
ani.umyati[at]untirta.a.c.id
(b) Department of Industrial Engineering, Universitas Sultan Ageng Tirtayasa. Jl. Jend Sudirman Km.03 Cilegon Banten
Abstract
Sintering Plant at PT. Krakatau Steel (Persero) Tbk apply a shift work system which is divided into three shifts. The difference in work shifts will result in differences in the operator-s physical and mental workload. Through data processing of body mass index (BMI), energy consumption and % CVL, it is known that there are 16 operators with normal BMI, consisting of 7 operators who have a light physical workload (<30%), 5 operators that experience moderate physical workload (30% -60% ) and 4 operators experience a rather heavy workload (60% -80%). Through processing with the NASA-TLX method, it can be seen that the mental workload score on 16 operators is in the range 52-92. So that the results show that operators in shift 1 have an average physical workload higher than shift operators 2 and 3. While operators in shift 3 have an average mental workload score higher than shift operators 1 and 2.
Keywords
Shift work, Physical workload, Mental Workload, Energy Consumption, NASA TLX
Topic
Industrial Engineering
Corresponding Author
Galih Senopati
Institutions
Universitas Indonesia
Abstract
Ti-6Al-4V alloy have been used widely for biomedical application, but its elastic modulus is still higher compared with human bone. Moreover, it contains V and Al that have been reported as toxic element. In this study new beta type Ti-6Mo-6Nb-xSn (0, 4, 8 wt.%) have been developed. The aim of this study was to evaluate the Sn addition on microstructural transformation, mechanical behaviour, and corrosion resistance of Ti-6mo-6Nb-xSn alloys. The Ti-6Mo-6Nb-xSn alloys produced by arc re-melting process and the obtain ingot were characterized using optical microscope, x-ray diffractometer, ultrasonic evaluation, vicker-s hardness tester, and polarization test to evaluate the corrosion resistance. The result showed that Ti-6Mo-6Nb-8Sn has the lowest elastic modulus and vickers hardness value. The Sn addition could suppress α phase formation. Ti-6Mo-6Nb-8Sn has lower corrosion rate compared to commercial Ti6Al4V.
Keywords
Ti-6Mo-6Nb-xSn, Arc Re-melting, Elastic Modulus, Corrosion Resistance
Topic
Metallurgy Engineering
Corresponding Author
Suryana Suryana
Institutions
a) Metallurgical Engineering Department, Faculty of Engineering, Universitas Sultan Ageng Tirtayasa, Cilegon, 42435, Indonesia
*suryana[at]untirta.ac.id
Abstract
The effects of magnesium (Mg) addition on mechanical properties and microstructure of aluminum matrix composite (AMC) have been investigated in this work. Aluminum ADC12/graphite was combined by Mg produced by stir casting. The effect of addition graphite into matrix has been studied with variation 2, 4, and 6 wt- % for each composites. The addition of Mg as wetting agent was introduced with 0.4, 0.6, and 0.8 wt-% to promote wettability between ADC12 and graphite. All composites were characterized both microstructures analysis and mechanical properties include tensile strength and hardness. The higher reinforcement content, the higher porosity formed, due to the tendency of de-wetting as well as particles agglomeration. One of the main intermetallic phases present evenly in aluminum matrix is Mg2Si which was confirmed by X-Ray Diffraction (XRD). The added Magnesium in the material that will form Mg2Si primary phases who have a high hardness value of these composites.
Keywords
Aluminum Matrix Composite; Wetting Agent; Graphite Reinforcement; Stir Casting; Microstructure Analysis; Mechanical Properties
Topic
Metallurgy Engineering
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