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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Indonesian Journal of Classroom Action Research (IJCAR) Time in Physics: Journal for Theoretical, Instrumentation, Material-Molecular, and Education Physics
Roni Permana
Department of Primary Teacher Education, Faculty of Teacher Training and Education, Universitas Mandiri, Subang, Indonesia
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Physics Social Sciences

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Measuring creative thingking skills of vocational high school students on dynamic electricity: a case study Roni Permana, Roni Permana
TIME in Physics Vol. 1 No. 2 (2023): August
Publisher : Universitas Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/timeinphys.2023.v1i2p59-64

Abstract

Creative thinking is a precise significant ability of 21st century education. Consequently, students are essential to must this ability to be applied in physics learning especially in the field of vocational. This study purposes to quantity students' creative thinking abilities about Dynamic Electricity. Examples remained busy by purposive sample method. Applicants in this study were 22 K-12 students of vocational students in Subang city. The implements used are three essay questions with four aspects that are turned off. The results showed that the average value was 43.43 with a low category. Consequently, students' creative thinking skills about Dynamic Electricity are still relatively low.
Implementation of Adaptive Neural Fuzzy Inference Systems (Anfis) For Speech Recognition Applications In Smart Home Control Permana, Roni; Sanjaya, W S Mada; Aliah, Hasniah
TIME in Physics Vol. 2 No. 2 (2024): September
Publisher : Universitas Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/timeinphys.2024.v2i2p77-84

Abstract

Signal Processing is signal processing that is related to the presentation, transformation, and manipulation of signal content and information. Digital Signal Processing is signal processing that is related to the presentation, transformation, and manipulation of signal content and information in digital form. The speech control system is very efficient. Speech signals are signals that change over time at a relatively slow speed. If observed at short intervals (between 5 and 100 miles per second), the practical characteristics are constant, but if observed at longer intervals, the characteristics appear to change according to the sentences spoken. This study uses the signal pattern recognition method with the MFCC and ANFIS methods as learning. The performance results of the entire system obtained an accuracy value with 6 feature extractions in 2 respondents, namely 65% ​​-72.5% and the smarthome control system worked well.
Utilization of Pineapple as Essential Oil for Respiratory Disorders: Case Study Permana, Roni; Afiyatusyifa, Fidya; Dewi, Riska Yuliana
TIME in Physics Vol. 3 No. 1 (2025): March
Publisher : Universitas Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/timeinphys.2025.v3i1p15-19

Abstract

This study aims to examine the effectiveness of pineapple (Ananas comosus) Essential oil in alleviating mild respiratory disorders such as cough and shortness of breath. A quasi-experimental method was used, involving two groups: an experimental group receiving therapy with pineapple Essential oil and a control group receiving warm water without oil. The results showed a significant reduction in respiratory symptoms in the experimental group (p < 0.01), while no significant change was observed in the control group. The bromelain content and volatile compounds in pineapple play a role in reducing inflammation and helping to open the airways. These findings indicate that pineapple Essential oil has potential as a natural alternative therapy for mild respiratory problems.
Co-Authors afiyatusyifa, Fidya Dewi, Riska Yuliana Dzakiyah, Muniroh Hasniah Aliah Iqbal Robiyana Muhamad Agung Suhendra Sanjaya, W S Mada Shidiq, Galih Albarra Tedi Sumardi