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All Journal Jurnal Teknik Elektro Pedagogi : Jurnal Penelitian Pendidikan Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control Journal of Robotics and Control (JRC) Likhitaprajna: Jurnal Ilmiah Fakultas Keguruan Ilmu Pendidikan Universitas Wisnuwardhana Malang BERNAS: Jurnal Pengabdian Kepada Masyarakat Electrices : Jurnal Otomasi Kelistrikan dan Energi Terbarukan Vivabio : Jurnal Pengabdian Multidisiplin Indo-MathEdu Intellectuals Journal Industrial Research Workshop and National Seminar JURNAL POLI-TEKNOLOGI Eduvest - Journal of Universal Studies Jurnal Ecotipe (Electronic, Control, Telecommunication, Information, and Power Engineering) Emitor: Jurnal Teknik Elektro
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Politeknik Negeri Jakarta
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PENGARUH MODEL VCT TIPE ANALISIS NILAI TERHADAP AKTIVITAS DAN HASIL BELAJAR Mustika, Meira; Sutarna, Nana
Pedagogi Vol 11 No 2 (2024)
Publisher : UNIKU PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25134/pedagogi.v11i2.10277

Abstract

ABSTRAKPenelitian ini didasari oleh rendahnya keterlibatan aktif dan hasil belajar siswa. Fokus penelitian untuk mengeksplorasi pengaruh model VCT tipe analisis nilai terhadap aktivitas belajar dan hasil belajar siswa. Metode quasi eksperimen diimplementasikan untuk melaksanakan penelitian ini. Sampel yang dipilih meliputi seluruh siswa kelas IV di SD Negeri 1 dan 2 Babakanmulya, dengan jumlah total siswa sebanyak 41 orang. Sampel penelitian dipilih dengan teknik pemilihan berdasarkan tujuan atau kriteria tertentu. Aktivitas belajar siswa dinilai menggunakan lembar observasi, sedangkan aspek kognitif diukur melalui pretest dan posttest yang  mencakup 15 soal pilihan ganda yang telah tervalidasi oleh dosen ahli serta siswa. Penganalisisan data dilakukan melalui uji t dan uji N-Gain untuk melihat penentuan efektifnya model VCT dan model konvensional. Penelitian ini menemukan bahwa keikutsertaan siswa dalam kelas perlakuan berdampak pada peningkatan tingkat aktivitas belajar mereka, tercatat sebesar 80,42%, yang signifikan lebih tinggi dibandingkan dengan 61% di kelas pembanding. Data tersebut menunjukkan bahwa aktivitas belajar di kelas perlakuan mengungguli kelas pembanding, mengakibatkan persetujuan terhadap Ha dan penolakan terhadap Ho. Adapun nilai rata-rata kognitif siswa di kelas perlakuan mencapai 86,28, sementara di kelas pembanding mencatatkan nilai 77,35. Berdasarkan pemeriksaan statistik, ditemukan nilai sig. (2-tailed) sebesar 0,009 < 0,05, menyatakan persetujuan terhadap Ha dan penolakan terhadap Ho. Dengan kata lain, model pembelajaran VCT yang menganalisis nilai memiliki pengaruh yang menguntungkan terhadap aktivitas belajar dan hasil belajar kognitif pada siswa kelas IV selama proses pembelajaran IPAS di tingkat sekolah dasar.Kata kunci:  aktivitas belajar; hasil belajar; model pembelajaran VCT analisis nilai
Monitoring The Temperature of The Immersion Freezing Process to Prediction and Analyzing Production Costs Mirroring Jewelry IHTIFAZHUDDIN, RAMDHANY; Sutarna, Nana; Wicakson, Britantyo
Emitor: Jurnal Teknik Elektro Vol 25, No 1: March 2025
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/emitor.v25i1.6499

Abstract

This research is motivated by problems at PT Sentral Kreasi Kencana in the immersion freezing process for jewelry production. This process is still carried out manually with a fixed time assumption of 45 minutes, which causes temperature uncertainty and difficulty in increasing production quantity. This has an impact on decreasing efficiency and increasing production costs per gram. The study aims to increase the efficiency of the immersion freezing process by implementing a sensor-based temperature monitoring system and production cost analysis. The methods used include developing a temperature monitoring system using the MLX90614 sensor, integration with Arduino Uno, and creating a graphical user interface (GUI) for real-time data analysis. The system developed consists of an MLX90614 infrared temperature sensor, an Arduino Uno microcontroller, a buzzer as an alarm, and a push-button for batch calculation. The GUI displays real-time temperature data, trend graphs, total batches, product weight, fixed costs, and cost/gram calculations. The results showed that the implementation of the temperature monitoring system increased the number of daily production batches by 50%, from 4 to 6 batches. The processing time was also reduced from 45 minutes to 30 minutes per batch. The optimum temperature of −7◦C was set as the reference point for the immersion freezing process. Production cost analysis showed a significant decrease in cost/gram from IDR 6,333.33 to IDR 2,638.89, far below the company’s standard cost of IDR 5,000.00 per gram. This system has proven effective for gold with a content of 34.0%, 67.1%, and 75.5%. The implementation of this technology has succeeded in increasing production efficiency, reducing the cost per gram, and increasing overall production capacity. This research provides a practical solution for optimizing the immersion freezing process in the jewelry industry, with the potential for wider application in other precision manufacturing sectors. 
Optimized BiLSTM-Dense Model for Ultra-Short-Term PV Power Forecasting Tjahyadi, Christianto; Sutarna, Nana; Oktivasari , Prihatin
Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control Vol. 10, No. 2, May 2025
Publisher : Universitas Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/kinetik.v10i2.2127

Abstract

The growing integration of photovoltaic (PV) systems into power grids poses challenges due to the inherent variability in PV output, particularly during rapid weather changes. While existing forecasting methods often struggle to capture these fluctuations, accurate ultra-short-term PV power prediction is critical for grid stability. The study aims to develop an optimized BiLSTM-Dense model that enhances forecasting accuracy by incorporating an additional dense layer. The model is designed to improve forecasting performance over a 30-second horizon. It utilizes a dataset of solar irradiance, PV output power, surface temperature, ambient temperature, humidity, and wind speed, collected in late 2023. Data preprocessing involved normalization and smoothing techniques to enhance robustness. Hyperparameter optimization was performed using grid search. Evaluation results demonstrate the superiority of the proposed model, achieving an MAE of 0.00271 and an RMSE of 0.00806 when paired with the Adam optimizer and Swish activation function. Compared to standard BiLSTM, the BiLSTM-Dense achieved MAE and RMSE improvements of 0.52% and 2.19%, respectively. It also outperformed the LSTM model with reductions of 4.00% in MAE and 2.65% in RMSE, and significantly surpassed ARIMA, reducing MAE by 98.87% and RMSE by 97.21%. These findings highlight the model’s ability to capture complex, non-linear dependencies in PV output data, outperforming conventional approaches like ARIMA, which rely on linear assumptions, and simpler architectures like LSTM, which lack bidirectional context integration.
PI Control Application for Low Speed Stepper Motor in Medical Infusion Pump for Flow Rate Stability In'am, Muhammad Achsanul; Sutarna, Nana; Hamijaya, Astri Era
Jurnal Ecotipe (Electronic, Control, Telecommunication, Information, and Power Engineering) Vol 12 No 1 (2025): Jurnal Ecotipe, April 2025
Publisher : Jurusan Teknik Elektro, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jurnalecotipe.v12i1.4541

Abstract

An infusion pump is an intravenous injection machine for administering high-alert type drugs. Failure to administer this type of drug can result in the patient's death. One of the causes of failure is disturbances in the infusion fluid flow rate, which is influenced by the performance of the stepper motor. This research proposes a PI control design for controlling flow rate stability in infusion pump machines. PI is applied by simulating Simulink using the Ziegler Nicholes type 1 tuning method and creating a 1st-order transfer function using the Cian Cone method. The system is also applied directly to the hardware and tested using standard medical calibration tools. The simulation results show that the PI control can reach the set point and maintain stability with a rise time of 19.49 seconds and a settling time of 32.39 seconds. In actual testing of the infusion pump machine with PI control, the average level of accuracy of the flow rate reached 98%, and the stability reached below 0.3 ml/h. This proves that the infusion pump that has been successfully created can be used to administer high-alert drugs precisely according to the dosage and can be used for a long time with constant delivery quality.
Implementasi Sensor Ultrasonik dan Flow Meter Pada Prototipe Pengisi Bahan Bakar Mini Sutarna, Nana; Mawardi, Latif; Azmi, Zacky Ilahi; Ramadhany, Nadhifa; Dhany, Aulia Rahma
Electrices Vol 5 No 2 (2023): Volume 5 Nomor 2 Tahun 2023
Publisher : Jurusan Teknik Elektro, Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/ees.v5i2.5873

Abstract

Seiring dengan pertambahan jumlah kendaraan bermotor bertambah pula stasiun pengisian bahan bakar umum.  Stasiun pengisi bahan bakar mini adalah salah satu jenis stasiun pengisian bahan bakar minyak umum yang sedang dikembangkan dan sudah berada di mana-mana. Pada sistem stasiun pengisi bahan bakar mini konvensional, teknik pengeluaran minyak ke tangki penampungan masih menggunakan pompa engkol dan takaran liter berdasarkan garis-garis level di tabung. Keakuratan jumlah bahan bakar minyak yang dikeluarkan masih dapat diperdebatkan. Kecermatan pengukurannya sangat bergantung pada penglihatan operator. Pada penelitian ini mengangkat solusi untuk menyelesaikan masalah tersebut dengan menerapkan sensor ultrasonik dan flow meter pada mesin prototipe stasiun pengisi bahan bakar mini sebagai detektor. Metode penelitian dengan membuat prototipe mesin stasiun pengisi bahan bakar mini sebagai simulator. Hasil keakurasian bahan bakar minyak yang dikeluarkan sebesar 99.51% dengan presentasi kesalahan sebesar 0.49%.
Analisis Lingkungan Belajar Sekolah Terhadap Motivasi Siswa Kelas I SDN 2 Babakanrema Rohendi, Endi; Sutarna, Nana
Indo-MathEdu Intellectuals Journal Vol. 6 No. 6 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i6.4122

Abstract

This study aims to describe the role of the school environment in increasing students' motivation for independent learning in the lower grades of SDN 2 Babakanrema. Teachers and homeroom teachers are considered to have an important role as role models in helping students develop independence, given that school is a “second home” for students. This study uses a case study method with a qualitative approach. The research subjects are lower grade students at SDN 2 Babakanrema. Data were collected through observation, interviews, and documentation, then analyzed using qualitative descriptive techniques. The results of the study indicate that school environmental facilities play a positive role in increasing student motivation for independence. Discussions with homeroom teachers reveal that there is an annual increase in student independence, both among existing and new students. In addition, observations show that a clean and well-organized physical school environment creates a comfortable learning environment, thereby contributing to an increase in student motivation for independence. These findings emphasize the importance of consistency in maintaining and improving the quality of the learning environment.
PENERAPAN MODEL PEMBELAJARAN SAVI (SOMATIC, AUDITORY, VISUALIZATION DAN INTELECTUALLY) UNTUK MENINGKATKAN HASIL BELAJAR SISWA MATA PELAJARAN IPS KELAS IV SD NEGERI MANGGARI Nurhayati, Nurhayati; Sutarna, Nana
Pedagogi Vol 10 No 2 (2023)
Publisher : UNIKU PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25134/pedagogi.v10i2.8292

Abstract

ABSTRAKPenelitian ini dilatar belakangi oleh rendahnya hasil belajar peserta didik. Tujuan penelitian ini  untuk mengetahui tentang penerapan Model Pembelajaran SAVI (Somatic, Auditory, Vissualization, dan Intellectually) dalam meningkatkan hasil belajar peserta didik mata pelajaran IPS kelas IV SD Negeri Manggari. Penelitian ini menggunakan pendekatan kuantitatif, dengan menggunakan metode eksperimen dengan desain Quasi Eksperimental Nonequivalent Control Group Design yaitu dua kelas, yang dimana kelas Eksperimen (SD Negeri Manggari yang diberi perlakuan) terdiri dari 28 siswa dan kelas kontrol  (SD Negeri 2 Kertawangunan  tanpa diberi perlakuan) terdiri dari 25 siswa. Data dikumpulkan melalui Pretest dan Posttest. Hasilnya yaitu, hasil belajar peserta didik kelas IV pada mata pelajaran IPS sebelum adanya penerapan Model Pembelajaran SAVI (Somatic, Auditory, Vissualization, dan Intellectually) di kelas eksperimen mendapatkan rata-rata nilai sebesar 56,1, sedangkan hasil belajar peserta didik kelas IV setelah adanya penerapan Model Pembelajaran SAVI (Somatic, Auditory, Vissualization, dan Intellectually) di kelas eksperimen mendapatkan rata-rata nilai sebesar 86,2. Adapun di kelas kontrol, hasil belajar peserta didik sebelum pembelajaran konvensional berlangsung, peserta didik mendapatkan nilai sebesar 52,7, sedangkan hasil belajar peserta didik setelah pembelajaran konvensional berlangsung mendapatkan rata-rata nilai sebesar 61,7dari hasil perhitungan tersebut nilai rata-rata kelas eksperimen lebih baik dari kelas kontrol. Dengan hal tersebut, hasil penelitian ini menunjukan adanya peningkatan hasil belajar IPS kelas IV pada kelas eksperimen dan kelas kontrol. Maka dapat disimpulkan bahwa Model Pembelajaran SAVI (Somatic, Auditory, Vissualization, dan Intellectually) dapat meningkatkan hasil belajar peserta didik mata pelajaran IPS kelas IV SD Negeri Manggari. Kata kunci:  Hasil Belajar, Model Pembelajaran SAVIABSTRACTThis research was motivated by the low learning outcomes of students. The purpose of this study is to find out about the application of the SAVI Learning Model (Somatic, Auditory, Vissualization, and Intellectually) in improving the learning outcomes of students in grade IV social studies subjects at SD Negeri Manggari. This study used a quantitative approach, using an experimental method with a Quasi-Experimental Nonequivalent Control Group Design design, namely two classes, where the Experimental class (SD Negeri Manggari which was given treatment) consisted of 28 students and the control class (SD Negeri 2 Kertawangunan without treatment) consisted of 25 students. Data is collected through Pretest and Posttest. The result is that the learning outcomes of grade IV students in social studies subjects before the application of the SAVI Learning Model (Somatic, Auditory, Vissualization, and Intellectually) in the experimental class get an average score of 56.1 while the learning outcomes of grade IV students after the application of the SAVI Learning Model (Somatic, Auditory, Vissualization, and Intellectually) in the experimental class received an average score of 86.2. As for the control class, the learning outcomes of students before conventional learning took place, students got a score of 52.7, while the learning outcomes of students after conventional learning took place got an average value of 61.7 from the calculation results the average value of the experimental class was better than the control class. With this, the results of this study showed an increase in class IV social studies learning outcomes in experimental and control classes. So it can be concluded that the SAVI Learning Model (Somatic, Auditory, Vissualization, and Intellectually) can improve the learning outcomes of students in grade IV social studies subjects at SD Negeri Manggari.Keywords: Learning Outcomes, SAVI Learning Models
Design and Implementation of A Hot Sealing System on A Bag Machine Based on PLC Tauhid, Tauhid; Sutarna, Nana; Santoso, Handri
Eduvest - Journal of Universal Studies Vol. 5 No. 10 (2025): Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v5i10.50005

Abstract

The adhesive or sealing system using the type of bag sealing machine used in the packaging industry is generally using a full-automatic continuous hot sealing machine which is the result of the development of a manual hot sealing type that uses a type of tape sealing bag (duct tape) such as the one in PT.X. Sealing bag problems that often occur are unstable heating processes, clamping settings and also cooling systems that are too fast. Planning the appropriate machine system and program control system can eliminate the problems caused by the sealing in several ways, including; Conducting system simulations and program design based on observation data, assembling and testing the built system. Conducting trials and tests of machine performance as well as testing the results of the bag sealing process. Furthermore, an evaluation of system performance and sealing bag quality results was carried out as well as improvements in system performance results in accordance with ASMEF88 standards. The design and implementation of the manufacture of automation machines and monitoring systems will involve PLC components and IoT technology. So that during the process, the system can be monitored in real time. The final result of this study is expected to reduce the problem of broken sealing in packaging bags by 1%.
Co-Authors Alif Ramadhan Hidayat Almi, Ridwan Azmi, Zacky Ilahi B. S. Rahayu Purwanti Dede Lestari, Putwi Dewi Safitri Dhany, Aulia Rahma Hamijaya, Astri Era IHTIFAZHUDDIN, RAMDHANY In'am, Muhammad Achsanul Laksono Trisnantoro Lingga Suhadha Lismawati, Nur M. Rafli Ramadhan Mawardi, Latif MURIE DWIYANITI1 Mustakim, Ruben Haffal Mustika, Meira Nanang Mulyana, Nanang Nurhayati Nurhayati Oktivasari , Prihatin Oman Hadiana Paramita, Endang Prihatin Oktivasari Purwanti, Bernadeta Siti Rahayu Purwanti, Bernadeta Siti Rahayu Ramadhany, Nadhifa Rohendi, Endi Santoso, Handri Syan Rosyid Adiwinata Tauhid, Tauhid Tjahyadi, Christianto Tohazen, Tohazen Wicakson, Britantyo