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Analysis of Annual Rainfall Distribution and Planned Rain Intensity at 11 (Eleven) Rain Post Stations in Serang District Kistiawan, Tony; Irawan, Agustinus Purna
IJEBD (International Journal of Entrepreneurship and Business Development) Vol 6 No 5 (2023): September 2023
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijebd.v6i5.2345

Abstract

This research aimed to find the best rainfall probability model and planned rain intensity using the Mononobe formula for 11 rain stations in Serang Regency. Annual rainfall data is processed and evaluated as secondary data using the rain data consistency test method, the Gumbel probability distribution, the Normal probability distribution, the Log Normal probability distribution, and the Pearson Type III Log probability distribution. The consistency test results reveal that the rainfall data is consistent. The Gumbel probability distribution is used to examine the design rain intensity based on the analysis. This study is intended to guide estimating the design rainfall intensity to develop the design flood discharge and run-off calculations. Suggestions for future research include improving the accuracy of rain data processing and making longer-term data available to provide a more accurate frequency analysis
MODEL MANAJEMEN DESAIN UNTUK INDUSTRI FURNITUR DI JEPARA Mutiara, Maitri Widya; Irawan, Agustinus Purna; Supriyatna-Mz, Eddy
Jurnal Muara Ilmu Ekonomi dan Bisnis Vol. 8 No. 1 (2024): Jurnal Muara Ilmu Ekonomi dan Bisnis
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat, Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmieb.v8i1.29582

Abstract

Industri furnitur di Indonesia, khususnya di Jepara, telah menjadi pilar penting dalam ekonomi nasional dengan kontribusi signifikan terhadap ekspor. Meski terkenal dengan seni ukir tradisionalnya, industri furnitur Jepara menghadapi tantangan adaptasi desain untuk memenuhi kebutuhan pasar global yang dinamis. Penelitian ini mengeksplorasi potensi manajemen desain sebagai strategi untuk meningkatkan daya saing dan inovasi produk di tengah perubahan tren pasar dan tantangan global. Dengan pendekatan kualitatif dan studi kasus, penelitian ini mengidentifikasi bahwa desain dan manajemen strategis dapat diintegrasikan untuk menciptakan nilai tambah dan keunggulan kompetitif. Melalui analisis terhadap literatur terkait dan observasi industri, tujuan dari penelitian ini mengembangkan model manajemen desain yang dapat diterapkan pada industri furnitur di Jepara. Model ini melibatkan kolaborasi keilmuan manajemen dan desain serta industri furnitur di Jepara untuk menghasilkan produk yang tidak hanya inovatif dan berdaya saing serta berdaya saing, selain itu juga mempertahankan identitas budaya lokal. Kesimpulan dari penelitian ini menunjukkan bahwa pemahaman yang lebih dalam tentang manajemen desain dan pelatihan terkait dapat membantu para pemangku kepentingan di Jepara untuk mengatasi tantangan industri dan memanfaatkan peluang pasar global. Penelitian ini memberikan saran untuk peningkatan edukasi dan kerjasama antara pemerintah, industri, dan lembaga desain untuk mendukung keberlanjutan dan pertumbuhan industri furnitur di Jepara.   The furniture industry in Indonesia, in Jepara, has become an important pillar in the national economy with a significant contribution to exports. Despite being famous for its traditional engraving art, the Japanese furniture industry faces the challenge of adapting design to meet the demands of a dynamic global market. The research explores the potential of design management as a strategy to enhance product competitiveness and innovation amid changing market trends and global challenges. With a qualitative approach and case studies, this research identifies that strategic design and management can be integrated to create added value and competitive advantage. Through the analysis of related literature and industry observations, the objective of this research is to develop a design management model that can be applied to the furniture industry in Jepara. This model involves the collaboration of management and design sciences as well as furniture industries at Jepara to produce products that are not only innovative and competitive and competitiveness, but also preserve the local cultural identity. The conclusions of this study suggest that a deeper understanding of design management and related training can help stakeholders in Jepara to overcome industry challenges and take advantage of global market opportunities. The research provides suggestions for improved education and cooperation between government, industry, and design agencies to support the sustainability and growth of the furniture industry in Jepara.
Pengaruh Fraksi Volume Sekam Padi, Aluminium Oksida dan Besi Oksida Terhadap Sifat Mekanik Kampas Rem dengan Matriks Epoxy Fitriyana, Deni Fajar; Widodo, Rahmat Doni; Kriswanto, Kriswanto; Athoillah, Ahmad; Prasetyo, Ares Yudi; Alrasyid, Mochamad Dzaki; Aripin, Muhammad Bustanul; Dimyati, Saeful; Irawan, Agustinus Purna; Cionita, Tezara; Siregar, Januar Parlaungan
JURNAL ILMIAH MOMENTUM Vol 19, No 2 (2023)
Publisher : Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/jim.v19i2.8752

Abstract

Penelitian tentang material alam sebagai pengganti material asbes dalam komposit material gesek kampas rem motor terus mengalami peningkatan. Material dalam kategori biomassa sebagai reinforcement komposit agar mendapatkan karakteristik material yang sesuai standar material gesek kampas rem motor. Penelitian ini bertujuan untuk mengetahui pengaruh fraksi volume sekam padi, aluminium oksida, dan besi oksida terhadap sifat mekanik dari spesimen komposit material gesek kampas rem. Proses pembuatan spesimen menggunakan metode hand lay-up dengan fraksi volume material epoksi (100 wt% dan 50 wt%), sekam padi (0 wt% dan 20 wt%), aluminium oksida (25 wt% dan 15 wt%), dan besi oksida (25 wt% dan 15 wt%). Pada penelitian ini, didapatkan pengaruh fraksi volume sekam padi, aluminium oksida, dan besi oksida terhadap sifat mekanik dari spesimen komposit material gesek kampas rem motor yaitu dapat meningkatkan nilai dari masing-masing hasil pengujian. Sehingga, dapat disimpulkan bahwa penggunaan material epoksi 50 wt%, sekam padi 20 wt%, aluminium oksida 15 wt%, dan besi oksida 15 wt% membuat ikatan antar partikel spesimen komposit material gesek kampas rem motor semakin baik dikarenakan kandungan silikanya yang tinggi. Oleh karena itu, didapatkan spesimen komposit material gesek kampas rem sepeda motor dengan sifat mekanik yang baik sesuai standar SNI nomor 09-0143-1987 dan SAE J661-1997.
Design of Rejection Subsystem for Abnormal Workpiece Condition Modular Production System at Distribution Station Ichsan, Christopher Adryan; Irawan, Agustinus Purna; Halim, Agus; Utama, Didi Widya; Panie, William Dae; Tolukun, Bright Levin
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa & Inovasi Volume 6 Nomor 2 Tahun 2024
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v6i2.6144

Abstract

In the industrial era 4.0, the automation system technology used is growing rapidly. Automation systems in the industry are very useful, especially in reducing production time. One of the tools that can be used to simulate production in an industry is the Modular Production System (MPS). MPS itself consists of several stations to simulate the production process on a small scale. In a production system, of course, a system is needed that can detect abnormal workpiece conditions. This system will be driven by a Programmable Logic Controller (PLC). This system will be placed at the distribution station. The rejection system in MPS is needed because, in MPS there is still a manual process, namely in the process of inserting workpieces into the stack magazine. with this manual process, it is likely that workpieces with abnormal conditions will be processed by MPS. This condition is unlikely to be processed further to the pick and place station. Therefore, objects with abnormal conditions must be separated by this rejection system. There are 2 methods used to conduct this research, namely using the 5/3 valve and the positive stop method. Data collection from both methods is done by experiment. From the experimental results of the two methods, it can be seen that the best method used for this system is the positive stop method. This method is the most appropriate method because it can produce a very accurate swivel arm stop position. From the data obtained, using the 5/3 valve method with a pressure of 4 bar the swivel arm stop position ranges from 22.4 cm to reach more than 25.8 cm, and at a pressure of 5 bar the swivel arm height ranges from 25.8 cm to more. By using the positive stop method the swivel arm stops exactly at the specified swivel arm height because the swivel arm is held by the pneumatic cylinder.
Design and Optimizing Top Cover Feeding Unit Modular Production System and Pick & Place Station Napoleon, Emanoelle; Halim, Agus; Utama, Didi Widya; Irawan, Agustinus Purna; Waworuntu, Jason
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa & Inovasi Volume 6 Nomor 2 Tahun 2024
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v6i2.6176

Abstract

Modular Production System is a station unit consisting of industrial components in the form of pneumatic and electrical components controlled by a Programmable Logic Controller which is directed for industry-oriented vocational training. In a Modular Production System, there are several types of stations, one of which is the pick and place station which consists of two modules, namely the pick and place module and the conveyor module. This design discusses the optimization of the design of the top cover feeding unit at the pick and place station because the top cover is dislocated every time there is a change in position when the vacuum sucks the top cover. This design optimization is done by redesigning the feeding unit slider. By doing this optimization, it can make the feeding unit accommodate the top cover where it should be and improve the process capability of the system. The results of this optimization are determined based on the process capability values, before optimization the resulting values were 1.0417 for Capabiity Process and 0.77 for the index. Then after design optimization, the values are 3.402 for Capabilty Process and 6.396 for the index and produce a total force of 0.205 N by using a slider feeding unit tilt angle of 14o. This tilt angle was determined as the most optimal angle because it resulted in the least system failure.
A Bibliometric Analysis of Foreign Workers and Construction Development in the Current Era Agung Wibowo, M.; Agustinus Purna Irawan; Rahim Awang, Abd
Ranah Research : Journal of Multidisciplinary Research and Development Vol. 6 No. 5 (2024): Ranah Research : Journal Of Multidisciplinary Research and Development (Juli 20
Publisher : Dinasti Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/rrj.v6i5.1064

Abstract

This study aims to examine the trends of research on Foreign Workers and Construction Development in the Current Era from 2012 to 2022. This research used qualitative research methodology with a bibliometric analysis approach. The primary data of this research was collected through the Scopus database with identifying articles/journals related to the topics of Foreign Workers and Construction Development. This study also uses VOS Viewer to visualize and analyze the primary data with network and density calculation. The result of this study is Russia became the first country to produce many articles from 2012 to 2022. Furthermore, the Engineering is the highest source of publication. Then, most researchers used quantitative methods with online surveys dominantly in the publications related to the topic. Topics about Construction Development, Construction Industry, and Foreigner Worker have the most frequent occurrences and the highest total link strength in the network. Besides, construction development, construction activities, construction industry, etc., have a big opportunity for conducting in the future in terms of foreign workers and construction development in the current era. This study successfully explained global research trends related to foreign workers and construction development in the current era from 2012 to 2022. However, this study has limitations in terms of data sources because the Scopus database is a closed access resource.
Factors Influencing the Intention to Use Insurance Technology (Insurtech) Among Generation Z Using the Extended D-M Model Umran, M. Fankar; Maupa, Haris; Irawan, Agustinus Purna; Sadat, Andi Muhammad
Journal of Applied Data Sciences Vol 6, No 2: MAY 2025
Publisher : Bright Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47738/jads.v6i2.726

Abstract

This study investigates the factors influencing Generation Z’s intention to use Insurtech in Indonesia using an extended DeLone and McLean model. The research introduces two additional variables: perceived trust and regulatory expectancy. Data were collected via an online survey of 431 Generation Z respondents aged 17 and above, residing in ten major Indonesian cities: Jakarta, Bandung, Semarang, Yogyakarta, Surabaya, Denpasar, Palembang, Medan, Balikpapan, and Makassar, all with a basic understanding of Insurtech. The questionnaire included demographic questions and research variables measured on a five-point Likert scale. Data were analyzed using Structural Equation Modeling (SEM) through Smart PLS 4. Descriptive analysis revealed that most respondents were aged 25-28 years, predominantly female, residing in Jakarta, employed in private sectors, with monthly expenditures below USD 300, and holding a bachelor’s degree. The analysis indicated that respondents viewed Insurtech positively, noting its organized information, flexible services, knowledgeable providers, honest services, and legal protection of personal data. Additionally, respondents expressed a strong interest in using Insurtech soon. The measurement model evaluation confirmed the validity and reliability of all indicators based on convergent validity, discriminant validity, and reliability tests. The structural model analysis showed that the independent variables explained 57% of the variance in intention to use Insurtech and 69% in perceived trust. Hypothesis testing revealed that information quality, system quality, service quality, and regulatory expectancy positively influenced both intentions to use Insurtech and perceived trust. However, contrary to expectations, perceived trust did not significantly affect the intention to use Insurtech. This finding suggests that for Generation Z, trust may be considered a baseline expectation, with factors like system and service quality playing a more direct role in their adoption decisions. Additionally, no significant mediation effects were found. The model demonstrated strong predictive relevance and good fit, confirmed by Q², NFI, and SRMR values.
Analisis perbandingan tingkat kepuasan pasien terhadap layanan kefarmasian di rumah sakit pemerintah dan rumah sakit swasta Latumahina, Fanya Felicia Nadin; Irawan, Agustinus Purna
Jurnal Manajemen Bisnis dan Kewirausahaan Vol 9 No 4 (2025): Jurnal Manajemen Bisnis dan Kewirausahaan
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmbk.v9i4.34659

Abstract

Improving the provision of health services in the form of pharmaceutical services in a hospital must be improved to meet patient satisfaction. Currently, there are many patient complaints about pharmaceutical services, such as empty drugs and poor quality. This study involved 200 people as respondents and had the opportunity to fill out a questionnaire with an experimental descriptive design using a questionnaire that included 10 questions representing 5 dimensions: empathy, reliability, facilities, confidence, and responsiveness. The level of patient satisfaction with pharmaceutical services in Private Hospitals is higher than in Government Hospitals. This can be seen in the results of the Man Whitney test where the Asymp Sig (2-tailed) <0.05. So the results of this study obtained a significant difference between Government Hospitals and Private Hospitals where patient satisfaction in Private Hospitals is higher than in Government Hospitals. Peningkatan penyediaan layanan kesehatan berupa layanan kefarmasian pada sebuah Rumah Sakit harus ditingkatkan untuk memenuhi kepuasan pasiennya. Saat ini banyak terdapat keluhan pasien terhadap layanan kefarmasian, seperti obat kosong dan kualitasnya kurang. Pada penelitian ini melibatkan 200 orang menjadi responden dan berkesempatan untuk mengisi kuesioner dengan desain deskriptif eksperimental dengan menggunakan kuesioner yang mencakup 10 pertanyaan mewakili 5 dimensi: empati, keandalan, fasilitas, keyakinan, dan daya tanggap. Tingkat kepuasan pasien terhadap pelayanan kefarmasian Rumah Sakit Swasta lebih tinggi daripada di Rumah Sakit Pemerintah. Hal tersebut dapat dilihat pada hasil uji man whitney yang dimana hasil Asymp Sig (2 – tailed) < 0,05. Sehingga hasil penelitian ini didapatkan perbedaan yang signifikan antara Rumah Sakit Pemerintah dan Rumah Sakit Swasta yang dimana kepuasan pasien pada Rumah Sakit Swasta lebih tinggi dari Rumah Sakit Pemerintah.
CRITICAL LITERATURE REVIEW: THE EFFECT OF MACHIAVELLIAN MARKETING IN THE CONTEXT OF SOCIAL MEDIA AND E-COMMERCE USE ON THE PURCHASING BEHAVIOR OF MILLENNIALS AND GENERATION Z Junianto, Pilifus; Irawan, Agustinus Purna
International Journal of Application on Economics and Business Vol. 3 No. 2 (2025): May 2025
Publisher : Graduate Program of Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/ijaeb.v3i2.652-660

Abstract

In recent decades, the development of information and communication technology has profoundly transformed the marketing landscape. Social media has emerged as a dominant platform used by marketers to reach consumers, particularly among Millennials and Generation Z, who are active users of digital technology. This study examines the impact of Machiavellian Marketing strategies on the purchasing behavior of Millennials and Generation Z through social media and e-commerce platforms. Machiavellian Marketing, characterized by manipulative and often unethical approaches, exploits the digital habits and psychological tendencies of these young consumers. Furthermore, this study highlights the influence of Dark Triad personality traits—Machiavellianism, narcissism, and psychopathy—on consumer behavior. Individuals with high levels of these traits are known to be more prone to engage in manipulative behavior on social media, which affects their purchasing decisions. The research was conducted through a literature review method from the Scopus database, aiming to provide critical insights into the ethical implications of Machiavellian-based marketing strategies as well as offering new perspectives on ethics in result-oriented marketing. These findings are expected to aid marketers in designing strategies that align with the psychological profiles of consumers while considering their ethical implications.
Komparasi dimensi ServQual dalam penilaian kualitas layanan rumah sakit swasta dan pemerintah di Semarang Jauhary, Minerva Cessilia Nafileita; Irawan, Agustinus Purna
Jurnal Manajemen Bisnis dan Kewirausahaan Vol 9 No 5 (2025): Jurnal Manajemen Bisnis dan Kewirausahaan
Publisher : Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jmbk.v9i5.35329

Abstract

Service quality in the healthcare sector is often considered more complex than in other service industries due to the higher risks involved. In this context, service quality becomes a strategic factor that can offer a competitive advantage for healthcare institutions. As such, examining service quality in both public and private hospitals is crucial to understanding potential differences in patient perceptions. This study aims to: (1) assess the quality of healthcare services provided by public and private hospitals; and (2) determine whether significant differences exist in service quality perceptions between these two types of hospitals. The research employed a cross-sectional design using data collected from selected hospitals in Semarang, representing both public and private sectors. A quantitative approach was utilized to develop the instruments, collect data, and perform the analysis. The sample consisted of 200 inpatients selected through incidental sampling, with service quality measured using the five dimensions of the SERVQUAL model: tangibility, reliability, responsiveness, assurance, and empathy. Data were analyzed using Excel 2003 and IBM SPSS Statistics 26. Findings reveal that: (1) the majority of respondents expressed agreement or strong agreement with statements reflecting the five SERVQUAL dimensions for both public and private hospitals; and (2) there was no statistically significant difference in perceived service quality between the two types of hospitals. It can be concluded that patients perceive the service quality in public and private hospitals to be equally satisfactory. Kualitas layanan dalam sektor kesehatan kerap dipandang lebih menantang dibandingkan sektor layanan lainnya karena menyangkut risiko yang tinggi. Dalam konteks ini, mutu pelayanan menjadi elemen strategis yang mampu menciptakan keunggulan kompetitif bagi fasilitas kesehatan. Oleh karena itu, studi mengenai kualitas layanan, baik di rumah sakit milik pemerintah maupun swasta, menjadi relevan untuk mengetahui sejauh mana perbedaan persepsi masyarakat terhadap keduanya. Penelitian ini bertujuan untuk: (1) mengevaluasi kualitas pelayanan di rumah sakit pemerintah dan swasta; serta (2) mengidentifikasi apakah terdapat perbedaan persepsi kualitas layanan antara kedua jenis rumah sakit tersebut. Data dikumpulkan melalui pendekatan cross-sectional dari sejumlah rumah sakit di Kota Semarang yang mewakili sektor publik dan swasta. Pendekatan kuantitatif digunakan untuk merancang instrumen, mengumpulkan data, dan menganalisis hasil. Sampel penelitian terdiri dari 200 pasien rawat inap yang dipilih secara insidental, dengan pengukuran berdasarkan lima dimensi model SERVQUAL: bukti fisik, keandalan, daya tanggap, jaminan, dan empati. Analisis dilakukan menggunakan Excel 2003 dan IBM SPSS Statistics 26. Hasil menunjukkan bahwa sebagian besar responden memberikan penilaian positif terhadap lima dimensi pelayanan, baik pada rumah sakit pemerintah maupun swasta. Selain itu, tidak ditemukan perbedaan signifikan dalam persepsi terhadap kualitas pelayanan antara kedua jenis rumah sakit tersebut. Dengan demikian, dapat disimpulkan bahwa kualitas pelayanan di rumah sakit swasta dan pemerintah dinilai sama baik oleh pasien.