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All Journal J@TI (TEKNIK INDUSTRI) E-Journal Home Economic and Tourism Industrial and Systems Engineering Assessment Journal (INASEA) Jurnal Optimasi Sistem Industri Jurnal Ilmiah Teknik Industri JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Indonesian Journal of Multidisciplinary Science JURNAL TEKNIK INDUSTRI Jurnal Industrial Galuh Jurnal Pengabdian Masyarakat Charitas Metris: Jurnal Sains dan Teknologi
Vivi Triyanti
Teknik Industri Unika Atma Jaya
Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Public Health Social Sciences Transportation

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Sharing Session pada Kegiatan Immersion sebagai Wadah Pertukaran Pengetahuan Kewirausahaan Triyanti, Vivi; Lembana, Devi Angrahini Anni
Jurnal Pengabdian Masyarakat Charitas Vol. 4 No. 01 (2024): Jurnal Pengabdian Masyarakat Charitas Juni 2024
Publisher : Program Studi Teknik Industri, Fakultas Teknik, Universitas Katolik Indonesia Atma Jaya Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/charitas.v4i01.5503

Abstract

An immersion is an intensive activity in which participants are fully involved in a particular environment or context for a short or limited period of time. In the entrepreneurship immersion arranged by Atma Jaya Incubator Business, one of the activities is a sharing session which is a presentation of material and discussion between Atma Jaya Catholic University of Indonesia (Unika Atma Jaya) and Universiti Teknologi Malaysia (UTM) students. There were three keynote speakers from Atma Jaya and UTM who provided material, The three speakers shared about the use of technology in developing entrepreneurship in both countries, as well as sharing about the use of technology in various community service activities in Unika Atma Jaya. This sharing session activity had a positive impact in increasing students' knowledge, both regarding entrepreneurship and the culture of entrepreneurship from both countries.
Risky Behaviors of Motorcycle Passengers: Field studies in Jakarta and Bekasi Areas Triyanti, Vivi
JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Vol 9, No 3 (2024): September 2024
Publisher : Universitas Al Azhar Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36722/sst.v9i3.2748

Abstract

The behaviors of motorcycle drivers are rarely studied, while their behaviors caused  considerable danger on driving safety. This study aims to identify risky behaviors of motorcycle drivers. This study was conducted in some roads in Jakarta and Bekasi by adopting the work sampling technique. The results showed that risky behaviors were mainly dominated by not wearing a helmet and by carrying more than one person. These behaviors were most commonly found in areas where it was perceived that there was no police and Electronic Traffic Law Enforcement (ETLE), especially in the Bekasi area. The presence of the police is crucial in preventing risky behavior of the drivers. Therefore, it is recommended to further ensure the presence of the police in areas prone to risky behaviors, especially when ETLE is not yet installed, or when it has not been fully applied. Keywords – Motorcycle, Passengers, Risky Behaviors, Work Sampling.
Pengaruh Penggunaan Modifikasi Komponen pada Sistem Pengereman Motor Terhadap Behavior Pengendara Motor Berkapasitas Mesin 150-250 Cc Oneil, Braga; Jeremiah, Morris; Triyanti, Vivi
Metris: Jurnal Sains dan Teknologi Vol. 26 No. 01 (2025): Juni
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/metris.v26i01.7194

Abstract

Vehicles are a means of mobility for society. However, the use of vehicles cannot be separated from the risk of accidents that may occur. In Indonesia, 133 million motorcycle accident cases were recorded in 2019. Accidents are influenced by many factors, one of which is brake failure. Brake failure itself is caused by overheating of the brake disc. Modifying the braking system is one of the measures taken to prevent overheating in the braking system. The application of braking system modifications on motorcycles may also influence rider behavior when on the road. In this study, an identification was carried out regarding the use of modifications to braking system components and their impact on motorcycle rider behavior, observed from several aspects: speeding, lane filtering, and panic braking. The identification was conducted using a questionnaire containing questions on the braking components modified by riders and their riding behavior related to such modifications. Based on the analysis of the data obtained, it was found that there were no significant differences in rider behavior across the three aspects—speeding, lane filtering, and panic braking—between different types of motorcycle braking system modifications.
PERANCANGAN MODEL SIMULASI SISTEM PRODUKSI MENGGUNAKAN SOFTWARE FLEXSIM Kristiana, Stefani Prima Dias; Triyanti, Vivi; Budiyanta, Nova Eka
Jurnal Industrial Galuh Vol. 7 No. 2 (2025): Jurnal Industrial Galuh
Publisher : Teknik Industri Fakultas Teknik UNIGAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/jig.v7i2.5289

Abstract

Penelitian ini bertujuan untuk merancang model simulasi sistem produksi menggunakan perangkat lunak FlexSim sebagai alat evaluasi kondisi aktual pada suatu lini produksi. Simulasi berbasis Discrete Event Simulation (DES) dibangun dengan menggunakan data lapangan berupa waktu proses, jumlah operator, kapasitas stasiun kerja, dan aliran material. Proses penelitian meliputi pengumpulan data, pembuatan model, verifikasi, dan validasi menggunakan uji statistik Mann-Whitney U untuk membandingkan output simulasi dengan data produksi aktual. Hasil simulasi menunjukkan bahwa pada setiap stasiun kerja, proporsi waktu terbesar didominasi oleh idle time, sedangkan tingkat utilitas operator berada pada kisaran 25,02%–51,35%. Hasil tersebut mengindikasikan adanya potensi peningkatan efisiensi melalui penyeimbangan lini, perancangan ulang tata letak, penyesuaian jumlah operator, dan penjadwalan kerja yang lebih sinkron. Penelitian ini menegaskan bahwa penggunaan simulasi dapat menjadi instrumen evaluasi yang efektif untuk mengidentifikasi permasalahan sistem secara kuantitatif, sehingga solusi yang dikembangkan di masa depan dapat lebih tepat sasaran dan berbasis data empiris.
Sosialisasi Pemanfaatan Aplikasi Kuesioner ATD Dan Likert Untuk Penelitian Survei Kuantitatif Goenawan, Stephanus Ivan; Vivi Triyanti; Hutahaean, Hotma Antoni; Wibawa Prasetya; silalahi, Agustinus
Jurnal Pengabdian Masyarakat Charitas Vol. 4 No. 02 (2024): Jurnal Pengabdian Masyarakat Charitas
Publisher : Program Studi Teknik Industri, Fakultas Teknik, Universitas Katolik Indonesia Atma Jaya Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/charitas.v4i02.6014

Abstract

Using technology in quantitative research is increasingly important to improve the efficiency and accuracy of data collection. This community service activity aims to socialize the use of questionnaire applications based on the Data Weigher Analysis (DWA) and Likert methods that can be used in quantitative survey research. Socialization is carried out to researchers, academics, and students involved in survey-based research to facilitate understanding and skills in designing, distributing, and analyzing questionnaires digitally. Through this activity, participants are given direct training on using the application, the advantages of the DWAand Likert methods in measuring quantity values into quality, and efficient and accurate data processing. The evaluation results showed that participants had increased understanding and skills in utilizing the questionnaire application, which is expected to support more effective quantitative research in the future. Thus, this activity contributes to increasing researchers' capacity to conduct modern and technologybased quantitative surveys.
The role of sales promotion in improving the relation between price perception and system quality of SVOD platform on purchase intention Lembana, Devi Angrahini Anni; Triyanti, Vivi; Wijaya, Jessica
Indonesian Journal of Multidisciplinary Science Vol. 3 No. 10 (2024): Indonesian Journal of Multidisciplinary Science
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/ijoms.v3i10.932

Abstract

This study aims to explore how Vidio.com can increase the number of users who are interested in even considering using this platform in the midst of fierce competition in theSVOD market, especially in Indonesia. The study was conducted from April to June 2023 and data collection took 1 month using a questionnaire method, namely Google Form which were distributed online to target respondents. The purpose of this research is to influence perceived price and perceived system quality in shaping consumer interest in subscribing to the SVOD platform - with a study on the Vidio platform. The results of this study indicate that the three variables under investigation have a major impact on users' intentions to subscribe to the platform (i.e., make a purchase). The impact of moderators between independent variables on dependents, specifically the influence of sales promotion methods can not enhance the relation of perceived pricing and perceived quality on ehancing the intention to purchase. Therefore, Vidio needs to pay attention to the performance of its application such as the speed of responding when users access features, the level of application errors or loading levels when the show is played, and privacy security, especially for users' personal data in order to provide a good user experience so that it can increase their interest in using the platform's paid packages.
Basic Emotion Recogniton using Automatic Facial Expression Analysis Software Vivi Triyanti; Yassierli Yassierli
Jurnal Optimasi Sistem Industri Vol. 18 No. 1 (2019): Published April 2019
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v18.n1.p55-64.2019

Abstract

Facial expression was proven to show a person's emotions, including 6 basic human emotions, namely happy, sad, surprise, disgusted, angry, and fear. Currently, the recognition of basic emotions is applied using the automatic facial expression analysis software. In fact, not all emotions are performed with the same expressions. This study aims to analyze whether the six basic human emotions can be recognized by software. Ten subjects were asked to spontaneously show the expressions of the six basic emotions sequentially. Subjects are not given instructions on how the standard expressions of each of the basic emotions are. The results show that only happy expressions can be consistently identified clearly by the software, while sad expressions are almost unrecognizable. On the other hand surprise expressions tend to be recognized as mixed emotions of surprise and happy. There are two emotions that are difficult to express by the subject, namely fear and anger. The subject interpretation of these two emotions varies widely and tends to be unrecognizable by software. The conclusion of this study is the way a person shows his emotions varies. Although there are some similarities in expression, it cannot be proven that all expressions of basic human emotions can be generalized. Further implication of this research needs further discussion.
Integrating Microcontroller Programming and 3D Design for Community-based Experiential Learning Budiyanta, Nova Eka; Sidharta, Hanugra Aulia; Triyanti, Vivi; Risqiwati, Diah
Jurnal Pengabdian Masyarakat Charitas Vol. 5 No. 02 (2025): Jurnal Pengabdian Masyarakat Charitas
Publisher : Program Studi Teknik Industri, Fakultas Teknik, Universitas Katolik Indonesia Atma Jaya Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/charitas.v5i02.7409

Abstract

This study presents a community based workshop designed to enhance digital literacy through hands-on learning that combines microcontroller programming and three-dimensional (3D) design. The activity adopted a Do It Yourself (DIY) approach to bridge theoretical understanding and practical skills. Participants, consisting of students and young learners, developed a functional digital clock using an Arduino based microcontroller and designed its custom 3D printed enclosure. A mixed-method evaluation was conducted to assess learning outcomes. Quantitative results from a post activity questionnaire showed a high satisfaction level, with an overall mean score of 3.41, categorized as very high across five learning aspects which are motivation, comprehension, facilitation, relevance, and reflective impact. Qualitative feedback supported these findings, indicating that participants gained confidence, curiosity, and a deeper understanding through direct experimentation and collaborative mentoring. The results confirm that short term, project based workshops can effectively improve digital competence and creative confidence in community settings. Integrating accessible hardware and affordable fabrication tools provides a scalable model for STEM oriented education. The initiative demonstrates how experiential learning can promote innovation, problem solving, and technological empowerment, offering a sustainable framework for future programs in digital literacy and maker based education.
Faktor Penentu Pemilihan Aplikasi Navigasi di Kalangan Pengguna Kendaraan Bermotor Muda Triyanti, Vivi; Wahyu, Marsellinus Bachtiar; Wenlicia, Frisca; Pranoto, Julian Luke
Metris: Jurnal Sains dan Teknologi Vol. 26 No. 02 (2025): Desember
Publisher : Prodi Teknik Industri, Fakultas Teknik - Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/metris.v26i02.7436

Abstract

With the development and growth of science and technology, various navigation applications are available to everyone, including motorcyclists. The main objective of this study is to provide several aspects that can influence young motorcyclists to choose their navigation application. Samples were taken from 100 motorcyclists aged 18-25 years in the BSD area. The main method used is factor analysis, using SPSS 2021 software as an analysis tool. By implementing KMO and Bartlett's test, the results have passed the validity and reliability tests. Based on the analysis of the size of the sample adequacy (MSA) and Bartlett's test, the anti-image matrix, the component matrix, and the rotated component matrix, there are three factors that can influence motorcyclists aged 18-25 years in the BSD area to choose their navigation application: the quality of navigation services, the features and benefits of the interface, and also the image of the application itself. These factors can be used for future research to analyze their influence on the selection or comparison of several navigation applications with a more specific scope. Furthermore, navigation application developers can consider these three factors to develop their businesses and remain competitive in the market.
Co-Authors Andres Andres Antoni Hutahaean, Hotma Bachtiar Wahju, Marsellinus Carlos Yohan Rafavy Christine Natalia Christine Natalia Diah Risqiwati Doaly, Carla Olyvia Enny Widawati Frans Jusuf Daywin Goenawan, Stephanus Ivan Hotma Antoni Hutahaean Ira Meirina Chair Jeremiah, Morris Jessica Wijaya Kristiana, Stefani Prima Dias Lembana, Devi Angrahini Anni Lenka R. Peruba Lina Gozali Marco Margana Marsellinus Bachtiar Natalia Velany Putri Nguyen Thi Bich , Thu Nova Eka Budiyanta Oneil, Braga Orlena Tirtasari Pranoto, Julian Luke Ronald Sukwadi Sharin Candra Sidharta, Hanugra Aulia Silalahi, Agustinus Stephanus Susilo Sugioko, Andre Syarif, Winerlis Wahyu, Marsellinus Bachtiar Wenlicia, Frisca Wibawa Prasetya William Azali William Azali William Azali Yassierli Yassierli