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Jedithjah Naapia Tamedi Papia
Politeknik Negeri Manado
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ANALISIS PENGARUH VARIASI BENTUK SAMBUNGAN LAS LISTRIK TERHADAP SIFAT MEKANIK PELAT STAINLESS STEEL 304L Nodi Poluan Sompie; Jedithjah Naapia Tamedi Papia; Adrian Maidiangkay
Jurnal Technopreneur (JTech) Vol 10 No 2 (2022): JURNAL TECHNOPRENEUR (November)
Publisher : UPPM Politeknik Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30869/jtech.v10i2.944

Abstract

Tujuan penelitian ini adalah untuk mengetahui Pengaruh Variasi Sambungan Las Listrik Terhadap Sifat Mekanik Pelat Stainless Steel 304L. Kegiatan penelitian dilakukan di Laboratorium Teknik Mesin Politeknik Negeri Manado. Pembentukan specimen uji tarik disesuaikan standar ASTM-E8. Penelitian ini dapat disimpulkan bahwa pemilihan diameter elektroda dan arus las sangat mempengaruhi kekuatan tarik las. Tegangan tarik maksimum rata-rata tertinggi untuk bahan tanpa las (bahan normal) sebesar ( σu ) = 657,6 (N/ mm2) .atau 65.7 (Kg/mm2). Untuk bahan hasil pengelasan lap joint tegangan tarik maksimum sebesar ( σu ) = 385,6 (N/ mm2) untuk sambungan butt joint tegangan tarik maksimum sebesar ( σu ) = 675,2 (N/ mm2) dan untuk sambungan fillet joint tegangan tarik maksimum rata-rata sebesar ( σu ) =672,2(N/ mm2). Dari pengelasan tersebut dapat diketahui dimana sambungan las sudut (Fillet joint) lebih tinggi nilai kekuatan tarik dibandingkan sambungan,las tumpang (lap joint), las Temu (Butt joint) dan benda uji tanpa lasan.
Uji Kinerja Panel Surya Monocrystalline Terhadap Baterai Valve Regulated Lead ACID Galman Marcelino Pudi; Audy Fryan Agow; Jedithjah Naapia Tamedi Papia
Prosiding Seminar Nasional Produk Terapan Unggulan Vokasi Vol 1 No 2 (2022): Prosiding Seminar Nasional Produk Terapan Unggulan Vokasi Politeknik Negeri Manad
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat Politeknik Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (706.638 KB)

Abstract

This study aims to determine (1) the power released from monocrytalline solar panels to VRLA battery types (charging process); (2) the power that comes out of the VRLA battery used by the water pump (discharging process). This research uses experimental methods, and uses a type of quantitative research. Based on the results and discussion, it can be concluded as follows: (1) the highest intensity of sunlight 158400 Lux occurred in the first test, time 11.10, temperature 32.6 oC, electric voltage 11.59 V, electric current 4.65 A, mains power 53.7 W, Watt Hour 31.5 Wh; the lowest intensity of sunlight 65300 Lux occurred at 10.30, temperature 32.5 oC, electric voltage 11.72 V, electric current 1.8 A, electric power 21 W, power at 16.3 Wh; (2) an increase in the intensity of sunlight on a solar panel results in an increase in the power generated, conversely a decrease in the intensity of sunlight in a solar panel results in a decrease in the power generated; (3) the power that comes out of the VRLA battery and is used by the water pump is an average of 102.94 W.
Strategi Penguatan Pendidikan Karakter Pada Perguruan Tinggi Ajeng Wulansari; Siti Munawaro; Musbar Ibrahim; Jedithjah Naapia Tamedi Papia; Syafruddin Syafruddin; Anggitya Alfiansari
Journal on Education Vol 6 No 1 (2023): Journal On Education: Volume 6 Nomor 1 Tahun 2023
Publisher : Departement of Mathematics Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joe.v6i1.3486

Abstract

The challenges of education in this millennial era, especially in Indonesia, do not only refer to the classic problems of equalization and fulfillment of access, infrastructure and education financing, but also talk about the quality of graduates who must have qualified intellect in their fields while having high morality. Seeing these conditions, the availability of human resources with character is a very important need. This is done to prepare for global challenges and the nation's competitiveness, universities must be able to prepare a generation that has the ability and good character, thus the strategy of strengthening character education in learning carried out in lectures requires an integrated plan. The implementation of character education along with its monitoring and evaluation must also be prepared as optimally as possible. the concept of character education programmatically with a strategy that is mupuni such as the strategy of moral knowing, moral knowing, moral modeling, moral feeling ang loving, moral acting, punishment, habituation.
The Effect of the STEM Learning Model on Student’s Critical Thinking in Indonesia: Meta-Analysis Baso Intang Sappaile; Abdul Rahman; Ilwandri Ilwandri; Tomi Apra Santosa; Ichsan Ichsan; Jedithjah Naapia Tamedi Papia
Edumaspul: Jurnal Pendidikan Vol 7 No 1 (2023): Edumaspul: Jurnal Pendidikan
Publisher : Universitas Muhammadiyah Enrekang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33487/edumaspul.v7i1.6129

Abstract

This study aims to determine the effect of STEM learning models on students' critical thinking skills in Indonesia. This type of research is a meta-analysis. Data sources came from 13 national and international journals. Data sources were searched from Google Scholar, ScienceDirect, ProQuest, Eric Journal, and Springer. The process of selecting data sources was carried out systematically and thoroughly. The collection technique was direct observation. Inclusion criteria in the study are 1) Data sources come from journals and proceedings indexed by SINTA, Scopus, and WOS; 2) The type of research is experimental or quasi-experimental; 3) Research related to the STEM model on critical thinking skills; 4) Journal publications 2015-2023; 5) Research has data sources that can be calculated effect size (ES) values. The results showed the average effect size (ES) value of 0.968 high criteria. This finding shows that the STEM model has a very large influence on students' critical thinking skills. The STEM model helps students be more creative and innovative in the learning process
Pengaruh Manajemen Laba, Rasio Keuangan dan Mekanisme Corporate Governance terhadap Peringkat Obligasi Lucky Mahesa Yahya; KMT Lasmiatun; Meike Negawati Kesek; Titik Purwati; Antonius Rino Vanchapo; Jedithjah Naapia Tamedi Papia
Jurnal Pendidikan Tambusai Vol. 7 No. 2 (2023): Agustus 2023
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

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Abstract

Investasi digolongkan menjadi dua jenis, yaitu investasi dalam surat kepemilikan (saham) dan investasi dalam surat utang (obligasi). Bursa Efek Indonesia mendefinisikan obligasi sebagai surat utang jangka menengah-panjang yang dapat dipindahtangankan yang berisi janji dari pihak yang menerbitkan untuk membayar imbalan berupa bunga pada periode tertentu dan melunasi pokok utang pada waktu yang telah ditentukan kepada pihak pembeli obligasi tersebut. Jenis data yang digunakan dalam penelitian ini adalah data sekunder berupa laporan keuangan tahunan yang terdaftar di Bursa Efek Indonesia (BEI). Hasil dari penelitian menunjukkan: (1) manajemen laba berpengaruh terhadap peringkat obligasi; (2) rasio likuiditas berpengaruh terhadap peringkat obligasi; dan (3) rasio aktivitas tidak berpengaruh terhadap peringkat obligasi.
Faktor Yang Mempengaruhi Kinerja Pegawai (Studi Literatur Manajemen Sumber Daya) Susanti Usman; KMT Lasiatun; Meike Negawati Kesek; Dodi Setiawan Riatmaja; Jedithjah Naapia Tamedi Papia; Ahmad Muktamar B
Jurnal Pendidikan Tambusai Vol. 7 No. 2 (2023): Agustus 2023
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

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Abstract

Penelitian ini bertujuan untuk menyelidiki faktor-faktor yang mempengaruhi kinerja pegawai melalui studi literatur dalam bidang Manajemen Sumber Daya Manusia. Faktor-faktor yang diteliti meliputi motivasi, kepuasan kerja, kompetensi, budaya organisasi, kepemimpinan, dan dukungan kerja. Kinerja pegawai dianggap sebagai faktor kunci dalam mencapai keberhasilan organisasi di pasar yang kompetitif saat ini. Manajemen Sumber Daya Manusia (MSDM) memainkan peran sentral dalam mengelola faktor-faktor yang mempengaruhi kinerja pegawai, seperti merekrut, mengembangkan, memotivasi, dan mempertahankan pegawai yang berkualitas. Penelitian ini menggunakan metode analisis literatur (library research) yang mengumpulkan data dari berbagai sumber literatur yang relevan. Dengan menganalisis dan mensintesis temuan-temuan ini, mereka dapat mengidentifikasi faktor-faktor yang paling berpengaruh terhadap kinerja pegawai. Data ini akan dianalisis secara kualitatif untuk mengidentifikasi faktor-faktor yang mempengaruhi kinerja pegawai. Faktor-faktor yang akan dipelajari meliputi lingkungan kerja, kepuasan kerja, dan motivasi kerja. Faktor-faktor tersebut dapat saling berinteraksi dan mempengaruhi satu sama lain dalam memengaruhi kinerja pegawai. Hasil dari library research ini adalah bahwa: 1) lingkungan kerja berpengaruh terhadap kinerja pegawai; 2) kepuasan kerja berpengaruh terhadap kinerja pegawai; 3) dan Motivasi Kerja berpengaruh terhadap kinerja pegawai.
Implementasi Metode Pembelajaran Berbasis Proyek dalam Pendidikan Tinggi untuk Memfasilitasi Pemecahan Masalah Multidisiplin Ilham Kamaruddin; Mike Nurmalia Sari; Jedithjah Naapia Tamedi Papia; Patima M.Usman; Nining Andriani; Meike Negawati Kesek
Journal on Education Vol 6 No 4 (2024): Journal on Education: Volume 6 Nomor 4 Mei-Agustus 2024
Publisher : Departement of Mathematics Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joe.v6i4.5990

Abstract

Project-Based Learning (PBL) has emerged as a prominent approach in higher education to facilitate multidisciplinary problem-solving skills among students. This article explores the implementation of PBL in higher education settings and its effectiveness in fostering collaborative learning and interdisciplinary problem-solving abilities. It discusses the challenges faced in implementing PBL, such as paradigm shifts in teaching roles, logistical issues, and disparities in student readiness and motivation. Effective strategies to address these challenges, including faculty training, resource allocation, and student support, are also discussed. The discussion underscores the potential of PBL to enhance student learning experiences and prepare them for the complexities of the modern workforce.
Influence of Sustainable Leadership, Social Factors and Technological Infrastructure on MSME Business Sustainability in the Modern Era Judijanto, Loso; Arisanti, Ivon; Papia, Jedithjah Naapia Tamedi; Abidin, Zainal
International Journal of Business, Law, and Education Vol. 5 No. 1 (2024): International Journal of Business, Law, and Education
Publisher : IJBLE Scientific Publications Community Inc.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56442/ijble.v5i1.357

Abstract

This research explores the influence of sustainable leadership, social factors, and technological infrastructure on the sustainability of Micro, Small, and Medium-sized Enterprises (MSMEs) in the modern era. The study employs a mixed-methods approach, combining qualitative and quantitative methods. The sample includes MSMEs from various industries, and data is collected through surveys, interviews, and archival sources. The analysis involves Partial Least Squares Structural Equation Modeling (PLS-SEM) for quantitative data and systematic interpretation for qualitative data. The results indicate a positive and significant relationship between sustainable leadership, social factors, technological infrastructure, and business sustainability. Sustainable leadership is found to enhance organizational resilience and performance. Social factors, including community engagement and corporate social responsibility, contribute to brand loyalty and long-term viability. Technological infrastructure, encompassing advanced technologies, improves operational efficiency and fosters innovation. The study has implications for leadership development, stakeholder engagement, technological adoption, and policy considerations. Limitations include contextual specificity and the need for refined measurement instruments. Future research could explore different industries, longitudinal trends, and causal relationships.
Design and Performance Testing of Seawater Batteries as Renewable Energy for Marine Boat Lights Anwar, Dedtri; Papia, Jedithjah Naapia Tamedi; Purnomo, Hendra; Darmawan, Putu Deny
International Journal of Recent Technology and Applied Science (IJORTAS) Vol 7 No 1: March 2025
Publisher : Lamintang Education and Training Centre, in collaboration with the International Association of Educators, Scientists, Technologists, and Engineers (IA-ESTE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36079/lamintang.ijortas-0701.773

Abstract

Indonesian seas offer abundant renewable energy potential. Seawater batteries have attractive advantages as a source of electrical energy. The purpose of this study was to design and manufacture a seawater battery and test its performance for ship lighting. The methodology used includes designing and manufacturing a seawater battery storage container based on electrode dimensions, assembling electrodes and insulators, and testing battery performance using LED lights. The results showed that the design produced an 8-cell seawater battery with a height of 24 cm and a diameter of 17.78 cm (7 inches). Performance testing with a 7 W LED lamp for 60 minutes showed that higher salt content caused an increase in the average light intensity produced. In 8 W and 10 W LED lamps, it is known that an increase in the average light intensity produced only occurs at an increase in salt content of 3 to 4%, while an increase in the average light intensity at a salt content of 5% does not occur, iii) average salt content -an average of 4% on a seawater battery with a 60 minute test for a 7W LED lamp produces an average light intensity of 227.33 lumens, for an 8W LED lamp an average of 325 lumens, and for a 10W LED lamp an average of 604, 67 lumens. The greater the power of the LED lamp used, the greater the light intensity produced.
Implemantation of Non-Sensor Based Fuzzy Logic Control for G-Code Parameter Optimization: Advanced Efficiency in Titanium Alloy CNC Processing I Made Aditya; Bryant Josua Runturambi; Jedithjah Naapia Tamedi Papia; Firmansyah Reskal Motulo; Jerry Heisye Purnama; Meike Negawati Kesek
Journal Electrical and Computer Experiences Vol. 2 No. 2 (2024): July-December
Publisher : Tinta Emas Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59535/jece.v2i2.363

Abstract

This research introduces an innovative algorithm for G-code modification using Fuzzy Logic Control (FLC) to optimize Computer Numerical Control (CNC) machining parameters without relying on additional hardware or sensors. The study develops a computational framework that processes G-code blocks with an average speed of 0.3ms while maintaining a minimal memory footprint of 1.2MB. Implementation results demonstrate an 18% reduction in total machining time, with the feed rate optimized from 1000 mm/min to 1180 mm/min for linear cutting and spindle speed enhanced from 3000 RPM to 3450 RPM, while maintaining conservative parameters for critical plunge cutting operations. The system achieved a 23% increase in tool life through intelligent parameter modulation. Testing on titanium alloy workpieces showed consistent performance with zero machining interruptions during parameter modification, marking a five-fold improvement in processing speed compared to existing sensor-based systems. This hardware-independent approach enables rapid deployment in existing CNC systems through simple software updates, offering a cost-effective solution for machining optimization. The research establishes a foundation for intelligent G-code generation that adapts to material properties and cutting conditions while maintaining operational safety and efficiency.
Co-Authors Abdul Rahman Adrian Maidangkay Ahmad Muktamar B Ajeng Wulansari Anggitya Alfiansari Antonius Rino Vanchapo Anwar, Dedtri Arisanti, Ivon Audy Fryan Agow Baso Intang Sappaile Bryant Josua Runturambi Darmawan, Putu Deny Dodi Setiawan Riatmaja Firmansyah Reskal Motulo Galman Marcelino Pudi Hendra Purnomo, Hendra I Made Aditya Ichsan Ichsan Ilwandri Ilwandri Jerry Heisye Purnama Judijanto, Loso Kamaruddin, Ilham KMT Lasiatun KMT Lasmiatun Lucky Mahesa Yahya Meike Negawati Kesek Musbar Ibrahim Nining Andriani Nodi Poluan Sompie Sari, Mike Nurmalia Siti Munawaro Susanti Usman Syafruddin Syafruddin Tomi Apra Santosa Usman, Patima M Zainal Abidin