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All Journal Jurnal Pendidikan Teknologi dan Kejuruan JOIV : International Journal on Informatics Visualization INVOTEK: Jurnal Inovasi Vokasional dan Teknologi Jurnal Sains dan Teknologi: Jurnal Keilmuan dan Aplikasi Teknologi Industri JURNAL PENDIDIKAN TAMBUSAI JUPE : Jurnal Pendidikan Mandala Jurnal Teknologi Informasi dan Pendidikan PAKAR Pendidikan Suluah Bendang: Jurnal Ilmiah Pengabdian Kepada Masyarakat Riset Pendidikan Bahasa dan Sastra Indonesia (Repetisi) Jurnal Aerasi Jurnal Vokasi Mekanika Tsaqofah: Jurnal Penelitian Guru Indonesia ARZUSIN: Jurnal Manajemen dan Pendidikan Dasar Al-DYAS : Jurnal Inovasi dan Pengabdian kepada Masyarakat Journal of Engineering Researcher and Lecturer PUSAKO : Jurnal Pengabdian Psikologi Jurnal El-Hadhary: Jurnal Penelitian Pendidikan Multidisiplin Journal of Innovative and Creativity The Indonesian Journal of Computer Science Mars: Jurnal Teknik Mesin, Industri, Elektro dan Ilmu Komputer
Febri Prasetya
Universitas Negeri Padang
Religion Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Mathematics Mechanical Engineering Neuroscience Public Health Social Sciences Transportation Other

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Differences In Learning Concentration of Students Taught with Whiteboard Animation Media Prasetya, Febri; Yulastri, Asmar; Ganefri; Giatman; Efendi, Hansi; Muskhir, Mukhlidi
The Indonesian Journal of Computer Science Vol. 12 No. 6 (2023): The Indonesian Journal of Computer Science
Publisher : AI Society & STMIK Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33022/ijcs.v12i6.3547

Abstract

This study originated from the lack of enthusiasm of students following the learning of milling machining in the classroom, because of the many distractions that make it difficult for students to concentrate. The purpose of this study is to determine whether there is a difference in students' learning concentration in the subject of milling machining techniques of vocational high school students when they are taught with whiteboard animation media and textbooks. This research design is a quasi-experiment with post-test only. Based on the researcher's consideration and initial interviews, the subjects of this study were formulated as two classes. The number of students for the experimental class XI TPM 1 (15 people) and the conventional class XI TPM 2 (15 people). The experimental class XI TPM 1 was given whiteboard animation learning media, while the conventional class XI TPM 2 was given conventional learning. To analyze the research data, t-test technique was used. The results of the t-test analysis showed that, compared to the conventional learning method, students learned milling machining techniques with higher concentration.
ANALISIS DESAIN BILAH TERHADAP PEFORMA TURBIN ANGIN SUMBU HORIZONTAL MENGGNAKAN SOFTWARE QBLADE Abdillah, Nur Ichsan; Nurdin, Hendri; Indrawan, Eko; Prasetya, Febri
Jurnal Vokasi Mekanika (VoMek) Vol 5 No 3 (2023): Jurnal Vokasi Mekanika
Publisher : Unversitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/vomek.v5i3.544

Abstract

Turbin angin adalah alat yang mengubah energi mekanik menjadi energi listrik, dengan bilah sebagai salah satu komponennya. Tujuan dari penelitian ini adalah untuk menganalisis pengaruh twist (sudut puntir) dan chord (lebar) terhadap coefficient of power (Cp) dengan linierisasi pada tiap elemen bilah. Metode yang digunakan dalam penelitian ini adalah metode simulasi dengan menggunakan perangkat lunak. Tujuan yang ingin dicapai pada penelitian ini adalah menemukan desain terbaik dengan metode linierisasi twist dan chord serta mengaplikasikan desain tersebut dalam sebuah rancang desain, dimana hasil akhirnya akan didapat grafik coefficient of power (Cp) atau efisiensi dan tip speed ratio (TSR). Hasil penelitian ini telah dilakukan menunjukkan bahwa optimasi desain bilah turbin angin tipe taper dengan airfoil NREL’s 822 memiliki maximum twist sebesar 6,59 hingga minimum twist 0,12 serta maximum chord sebesar 0,107 meter dan minimum chord sebesar 0,015 meter. Pada proses simulasi tersebut menghasilkan efisiensi sebesar 48% pada TSR 8.
Pengaruh Model Pembelajaran Project Based Learning terhadap Hasil Belajar Mata Pelajaran Produk Kreatif dan Kewirausahaan Kelas XI SMK Negeri 1 Padang Syaputra, Muhammad Marta; Efendi, Fiki; Prasetya, Febri; Rahim, Bulkia
TSAQOFAH Vol 5 No 3 (2025): MEI
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/tsaqofah.v5i3.5459

Abstract

This study aims to determine the effect of the Project Based Learning (PjBL) learning model on student learning outcomes in Creative Products and Entrepreneurship subjects in class XI of SMK Negeri 1 Padang. The method used is quasi experiment with Nonequivalent Pretest-Posttest Control Group Design. The research sample consisted of two classes, namely the experimental class that applied the PjBL model and the control class that used conventional learning. The sampling technique used cluster random sampling with a total of 20 students per class. The instruments used included cognitive learning outcome tests and observation sheets for psychomotor aspects. The validity and reliability of the instruments were tested before use. Data were analyzed using normality, homogeneity, and t-test with the help of SPSS software. The results showed that there was a significant difference between student learning outcomes in the experimental and control classes. The average cognitive learning outcome of the experimental class was 80.25 while the control class was 70.25, with a percentage increase of 14.24%. Meanwhile, the average psychomotor score of the experimental class of 80.5 was higher than the control class of 74, with a percentage effect of 8.78%. Thus, the application of the Project Based Learning model proved effective in improving student learning outcomes, both in cognitive and psychomotor aspects. These findings support the importance of using innovative student-centered learning models to improve the quality of learning in vocational schools.
Adhesion mechanisms and mechanical performance of single-lap joints in FDM-3D printed: A review Muhamad Qeisya Hanif; Rifelino Rifelino; Febri Prasetya; Zainal Abadi
Journal of Engineering Researcher and Lecturer Vol. 5 No. 1 (2026): Regular Issue
Publisher : Researcher and Lecturer Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58712/jerel.v5i1.214

Abstract

Additive Manufacturing (AM), particularly Fused Deposition Modeling (FDM), has evolved from a rapid prototyping technology into a manufacturing approach for producing functional components across a wide range of industrial sectors. Nevertheless, the limited build volume of FDM systems has encouraged the use of adhesive bonding as a practical method for joining sub-components, with the single-lap joint (SLJ) configuration being among the most widely adopted designs. This review aims to provide an integrated analysis of the relationship between FDM-induced surface morphology, the adhesion mechanisms developed at the bonded interface, and their implications for stress distribution, shear strength, and joint failure modes. The findings indicate that the surface characteristics generated by the FDM process, including layer lines, stair-stepping effects, voids, and porosity, create interfacial conditions that differ fundamentally from those of homogeneous materials. These characteristics also produce a non-linear relationship between surface roughness and joint strength. Process parameters such as printing orientation and layer height were identified as key controlling factors that influence surface topography and adhesive performance. From a mechanical perspective, the eccentric load path inherent in SLJ configurations generates significant shear and peel stress concentrations at the overlap ends. These stress concentrations coincide with structurally weak regions that are intrinsically associated with FDM adherends, making them the primary sites for crack initiation and joint failure. Furthermore, modifications to overlap geometry and tailored adhesive distribution have been recognized as effective strategies for improving stress redistribution and enhancing the load-bearing capacity of the joint. This review highlights that the assessment of adhesive joints in FDM-manufactured components requires an integrated analytical framework that accounts for the coupled interactions among printing process parameters, surface conditions, adhesive properties, and progressive failure modeling. Such an approach is essential for the development of reliable structural joint designs for FDM-based applications.
Development of Mechanical Learning Media Based on Google Sites in Basic Engineering Subjects for Grade X Vocational High School Dido Febriananda Nosa; Junil Adri; Febri Prasetya; Andril Arafat
JUPE : Jurnal Pendidikan Mandala Vol 11 No 2 (2026): JUPE : Jurnal Pendidikan Mandala (Juni)
Publisher : Lembaga Penelitian dan Pendidikan Mandala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58258/vadpb236

Abstract

This study aims to develop a web-based learning media using Google Sites, named Mechanical Learning, for Basic Engineering subjects in Grade X Vocational High School. The research was motivated by the limited use of technology in learning and teacher-centered instructional practices. This study employed a Research and Development (R&D) method using the ADDIE model (Analysis, Design, Development, Implementation, Evaluation). The subjects consisted of material experts, media experts, and students. Data were collected through validation questionnaires, practicality questionnaires, and learning outcome tests. Data analysis used descriptive statistics and N-Gain analysis. The results showed that the developed media is highly valid, with material validation scores of 4.49 and 4.30, and media validation scores of 4.75 and 4.60. The practicality test showed an average score of 4.47 (very practical), while the effectiveness test showed an N-Gain of 70.68% (moderately effective). Therefore, Mechanical Learning media is valid, practical, and effective to support learning outcomes.
The Effect of Video-Assisted Problem Based Instruction on Learning Motivation and Learning Outcomes in Lathe Machining Engineering Fernando Agung Pradeta; Purwantono Purwantono; Waskito Waskito; Febri Prasetya
JUPE : Jurnal Pendidikan Mandala Vol 11 No 2 (2026): JUPE : Jurnal Pendidikan Mandala (Juni)
Publisher : Lembaga Penelitian dan Pendidikan Mandala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58258/ta82vm52

Abstract

This study aimed to analyze the effect of the Video-Assisted Problem Based Instruction (PBI) learning model on students’ learning outcomes in Lathe Machining Engineering by controlling learning motivation variables. The study employed a quasi-experimental method using a Post-test Only Control Group Design. The research sample consisted of 50 students divided into an experimental class (25 students) and a control class (25 students) at SMKS Semen Padang. Data collection instruments included learning outcome tests and learning motivation questionnaires. Data were analyzed using Analysis of Covariance (ANCOVA). The findings demonstrated that the implementation of the video-assisted Problem Based Instruction learning model exerted a statistically significant effect on students’ learning outcomes, as indicated by the ANCOVA results of F(1,47) = 63.145 with a significance value of p < 0.001. The effect size was categorized as large with Partial Eta Squared = 0.573. However, learning motivation as a covariate did not significantly affect learning outcomes with F(1,47) = 0.001 and p = 0.974. Simultaneously, the model used in this research was significant with F(2,47) = 32.851 and p < 0.001 and contributed 58.3% to the variance of learning outcomes (R² = 0.583). Therefore, video-assisted Problem Based Instruction was proven effective in improving students’ learning outcomes in Lathe Machining Engineering
Efektivitas Penggunaan Model Pembelajaran Project Based Learning Terhadap Hasil Belajar Peserta Didik Pada Mata Pelajaran Teknik Frais Di SMK Negeri 1 Tanjung Raya Putra Fajar Perdana; Fiki Efendi; Budi Syahri; Febri Prasetya
Jurnal Vokasi Mekanika (VoMek) Vol 7 No 2 (2025): Jurnal Vokasi Mekanika
Publisher : Unversitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/vomek.v7i2.850

Abstract

The low learning results of students when learning the Frais Technique serve as the impetus for this study. It is believed that this is because students are not actively participating in teacher-centered learning models and their learning is not at its best. The purpose of this study is to ascertain how well the Project Based Learning learning paradigm affects the learning outcomes of SMK Negeri 1 Tanjung Raya students studying framing techniques. This study employs quantitative approaches and quasi-experimental research. 40 students made up the study's sample, and they were divided into two categories: the experimental category and the control category. The research period was carried out during the academic year 2024–2025's odd semester. The findings from the analysis of the data in this research suggest that the learning model centered around projects is significantly more influential than the conventional model to improve learning outcomes, the findings of the analysis illustrate that the average post-test results of the experimental class of 75.25 are greater than the control class with an average of 63.75. Based on the results of research and discussion, quasi-experimental research on the XI grade Frais Engineering Subject at SMK Negeri 1 Tanjung Raya can be concluded that there is an effectiveness of using project-based learning models on student learning outcomes where the value of learning outcomes in groups using project-based learning models is higher than conventional models.
Utilizing Augmented Reality Media to Enhance Students’ Lathe Learning Outcomes Ariansyah Ariansyah; Febri Prasetya; Purwantono Purwantono; Randi Purnama Putra
Jurnal Vokasi Mekanika (VoMek) Vol 7 No 3 (2025): Jurnal Vokasi Mekanika
Publisher : Unversitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/vomek.v7i3.889

Abstract

The integration of technology in vocational education has become a critical need to support 21st-century skills, especially in practice-based learning such as Basic Mechanical Engineering subjects. One promising innovation is the use of Augmented Reality (AR) media, which enables interactive three-dimensional visualization to help students concretely understand abstract concepts. This study aims to examine the effectiveness of lathe-based AR media in improving student learning outcomes and motivation in Grade X of the Machining Engineering Department at SMK Semen Padang. The research employed a quasi-experimental method using a non-equivalent control group design. The subjects consisted of two classes: the experimental class (using AR media) and the control class (using conventional learning methods). Data were collected using pre-tests and post-tests to assess learning outcomes and Likert-scale questionnaires to evaluate learning motivation. The analysis results showed that the use of AR media significantly increased student learning outcomes and motivation compared to traditional methods. Based on hypothesis testing and normalized gain score analysis, the AR media was found to be highly effective in the learning process. In conclusion, lathe-based Augmented Reality media proved to be an effective interactive learning tool that enhances students' academic performance and motivation, while also contributing to the development of innovative media in technical education.
Experimental Study of Geometrical Accuracy of Artec Leo 3D Scanner on Complex Object Scanning Muhammad Khattami Al Saidhi; Rifelino Rifelino; Delima Yanti Sari; Febri Prasetya
Jurnal Vokasi Mekanika (VoMek) Vol 7 No 3 (2025): Jurnal Vokasi Mekanika
Publisher : Unversitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/vomek.v7i3.890

Abstract

This study aims to measure the geometrical accuracy of complex object scanning using the Artec Leo 3D scanner. The scanned object is a wheel rim, with eight combinations of parameters including variations in distance (50 cm and 100 cm), scanning angle (45° and 90°), and lighting conditions (indoor and outdoor). Deviations were measured from four reference points on the scanned model and compared to a reference model. The results show that the Indoor configuration with a scanning distance of 50 cm and a scanning angle of 90° gives the smallest deviation of 0.025 mm (0.01%), while the Outdoor configuration with a scanning distance of 50 cm and a scanning angle of 45° produces the largest deviation of -3.275 mm (-1.80%). The overall average deviation of all combinations is -0.63 mm or -0.36%, indicating that the Artec Leo can produce high accuracy if configured with the right parameters. The smallest deviation was obtained under indoor scanning conditions with a scanning distance of 50 cm and a scanning angle of 90°.
Co-Authors - Primawati A, Yufrizal Abdillah, Nur Ichsan Abdul Aziz Abdur Rahman Adani Arban Aditya Bernaldo Aditya Mulawarman Affan, Muhammad Abdul Agariadne Dwinggo Samala Agung Agatha Damanik Ahmad Yusuf Alda Deria Ambiyar, Ambiyar Amri Ramadhan Andre Kurniawan Andri Agustian Aprilla Fortuna Aprilla Fortuna Arafat, Andril Arcelus-Ulibarrena, Juana Maria Ariansyah Ariansyah Arwizet Arwizet, Arwizet Asmar Yulastri Asy Syifa Rahmah Bayu Fornandes Bayu Rahmadani Fajri Bayu Ramadhani Fajri Budi Syahri Bulkia Rahim Cici Andriani Delima Yanti Sari Detty Rahmadhani Devidto Kurnia Putra Dido Febriananda Nosa Dioandanno, Chresna Dira Nurfaedah Dwi Danendra, Rayhan Efendi, Hansi Efendi, Mardion Eko Indrawan Elfi Tasrif Ema Wulansari, Rizky Erizon, Nelvi Erlanda, Rendi Erna Sinu Linda Erwin Candra Fadhli Ranuharja Fadri, Muhammad Al Fazrol Rozi, Fazrol Fernando Agung Pradeta Fiki Efendi Fiqi Gusti Irawan Firdaus Firdaus Firmansyah, Gusri Firstya Evi Dianastiti Fitra, Rizki Fitrah Qalbina Fortuna, Aprilla Fransiscus Xaverius Samingin Ganefri Ganefri . García, Juan Luis Cabanillas Giatman Hafis, M Hardi, Farid Maulana Hendri Nurdin Hidayat, Rohman Hidayathullah, Ilham Ikhwan Rahmansyaf Indra Mandala Putra Indra, Yoan Alfarezy Irshan Sepriza Irzal Irzal Irzal Irzal Irzal, Irzal Jasman Jasman Junil Adri Karimi, Amir Khairuni Delfi Anisa KRIKORIAN, MIHAEL Maulana Rafi, Ikhsan Muhamad Ikhwan Bagus Muhamad Qeisya Hanif Muhammad Al Fath Yosfiah Muhammad Anwar Muhammad Iqbal Parezi Muhammad Khattami Al Saidhi Muhammad Restu Alhamdi Muklis Muklis Mulianti Muskhir, Mukhlidi Muzaki, Saepul Nabawi, Rahmat Azis Nelvi Erizon Nizwardi Jalinus Nofri Helmi, Nofri Nurdin Hendri Perdana Putra, Dio Primawati Primawati Primawati Primawati, Primawati Purnama Putra, Randi Purwantono Purwantono purwantono purwantono Purwantono, Purwantono Putra Fajar Perdana Putra Setiawan, Agil Putra, Randi Purnama Rahmad Rian Dawab Midik Rahmat Fadillah Rahmat Hidayat Ramadhan, Fadli Ramadhan, Raihan Rangga Ligendra Rawas, Soha Refdinal Refdinal Refdinal, Refdinal Refdinal, Refdinal Remon Lapisa Reza Vahlefi Rhionaldo, Ananda Jafron Rifelino Rifelino Rizky Ema Wulansari Rizky Ema Wulansari Rozan, Alief Depa Sakinah Saklaili Salman, Amna Salmat, Salmat Saputra, Dimas Aulia Satria, Lucky Syahrial Syahrial Syahril Syahril Syahril Syahril Syahril Syahril Syaputra, Ardiansyah Syaputra, Muhammad Marta Thariq Muhammad Thoha, Adi Verdian, Verdi Vernando, Noval Vitrus Kirichal Wagino Wahyu Zulya Syaputra Wanda Afnison Waskito Waskito Waskito Welli Andriani Wulansari, Rizki Ema Wulansari, Rizky Ema Yaumal Arbi Yoga Novrialdy Yoga Zulnanda yogi erwandi candra Yolli Fernanda Yovi Ardhan Yufrizal A Yufrizal Yufrizal Yufrizal Yufrizal Yufrizal Yufrizal, Yufrizal Zainal Abadi Zainal Abadi