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Pelatihan Inovasi Teknologi Produksi Gula Aren Cair Berbasis Penahanan Termal Pada Vacuum Evaporator di UKM Sirin, Kec. Salawu, Kabupaten Tasikmalaya Aripin, Aripin; Taufiqurrahman, Imam; Rizal, Rahmat
BERNAS: Jurnal Pengabdian Kepada Masyarakat Vol. 6 No. 1 (2025)
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/jb.v6i1.11280

Abstract

Kec. Salawu merupakan daerah penghasil gula aren terbesar yang mencapai 30% dari total produksi gula aren Kab. Tasikmalaya. UKM SIRIN adalah salah satu kelompok usaha yang memproduksi gula aren cetak. Tahun 2023 produksi gula cetak mencapai 35,2 ton. Efektivitas gula aren bisa ditingkatkan menjadi dua kali lipat jika dibuat menjadi gula aren cair dibanding jika diproduksi menjadi gula cetak. Penggantian gula cetak oleh gula cair dapat dijadikan langkah penghematan biaya operasi produksi gula aren. Penggunaan gula cair dalam industri makanan dan minuman akan lebih praktis dan hemat energi karena tidak perlu memanaskan larutan untuk mencairkan gula cetak. Dari sisi produksi, gula cair dapat meningkatkan nilai ekonomi, dimana konsumsi energi lebih rendah akibat gula yang dikemas dalam bentuk cair tidak perlu mengalami proses kristalisasi. Namun, ada dua hal penting yang terkait dengan produksi gula aren di UKM SIRIN. Pertama, biaya konsumsi kayu bakar baik untuk produksi gula cetak maupun gula cair masih tinggi. Kedua, pengolahan gula cair dengan metode tradisional yang belum disertai dengan pengontrolan suhu pemasakan dan waktu pengolahan, maka itu dapat menyebabkan karamelisasi berlebihan yang menyebabkan warna gula hitam, berbuih dan terbentuk endapan.  Oleh karena itu, dalam produksi gula aren cair di UKM SIRIN perlu bahan bakar murah dan ramah lingkungan sehingga dapat meningkatkan keuntungan serta perlu alat pemasak dengan sistem termal otomatis untuk mengatur siklus penahanan termal selama penghilangan uap air. Tujuan kegiatan ini adalah memberikan solusi bagi mitra untuk merubah orientasi produk dari gula cetak ke gula cair dalam rangka mengeliminasi kebutuhan bahan bakar dan waktu proses pemasakan serta untuk menurunkan produk cacat gula aren cair selama proses produksi. Jumlah peserta adalah 10 orang anggota kelompok UKM SIRIN. Pelaksanaan pelatihan adalah dari tanggal 25 sampai 26 Agustus 2024. Kegiatan ini dilakukan dengan metode pelatihan, praktek, dan pendampingan. Metode pelatihan dilakukan dengan memberikan tatacara pengolahan gula aren cetak menggunakan vakum evaporator otomatis. Metode praktek dilakukan dengan mempraktekan langsung penggunaan vakum evaporator otomatis. Pendampingan secara teknis dilakukan dengan menempatkan pendamping mahasiswa untuk memantau kegiatan mitra dari tanggal 28 Agustus sampai 12 September 2024. Hasil angket menunjukkan bahwa ketertarikan peserta dalam kegiatan ini terkatagori sangat baik terutama untuk aspek aktivitas yang berdampak pada kesejahteraan ekonomi, keterampilan bagi masyarakat, mendorong masyarakat untuk menindaklanjuti, dan solusi masalah mitra. Hasil juga menunjukkan bahwa dalam rentang antara 78 - 80% peserta terampil dalam sebagian aspek pengoperasian vakum evaporator otomatis, kontrol suhu ventilasi pembakaran dan ketepatan produksi gula aren cair, yang mengindikasikan bahwa peserta dapat mengoperasikan vakum evaporator secara mandiri tanpa bantuan pendampingan
Proses Berpikir Kritis dan Kesalahan Peserta Didik Dalam Memecahkan Masalah Matematika Ditinjau dari Tipe Kepribadian Dominance-Influence Herlinda, Mega; Aripin, Aripin; Siregar, Nurfadilah
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 5 No. 2 (2020): Mathline
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v5i2.161

Abstract

Proses berpikir kritis dan kesalahan yang dilakukan oleh peserta didik berbeda-beda, hal tersebut dipengaruhi oleh kepribadian yang dimiliki setiap individu. Metode penelitian yang digunakan adalah penelitian deskriptif kualitatif. Subjek penelitian terdiri dari empat subjek dengan tipe kepribadian yang berbeda di antaranya dua subjek dengan kepribadian dominance dan dua subjek dengan kepribadian influence. Analisis data yang digunakan terdiri dari reduksi data, penyajian data, dan menarik kesimpulan. Hasil penelitian menunjukkan bahwa: 1) Peserta didik dengan kepribadian dominance salah satun subjeknya belum memenuhi semua indikator tahapan proses berpikir kritis yaitu pada tahap klarifikasi, tahap asesmen, tahap inferensi, sedangkan pada tahap strategi kedua subjek belum memenuhi indikator proses berpikir kritis. Selain itu, pada saat memecahkan masalah peserta didik dominance melakukan kesalahan di antaranya kesalahan memahami masalah, kesalahan transformasi, kesalahan keterampilan proses, dan kesalahan penulisan jawaban. 2) Peserta didik dengan kepribadian influence memenuhi semua indikator proses berpikir kritis, namun pada saat memecahkan masalah peserta didik influence melakukan kesalahan di antaranya kesalahan keterampilan proses dan kesalahan penulisan jawaban. Jadi, diantara kedua kepribadian tersebut yang melalui semua tahapan proses berpikir kritis dan melakukan sedikit kesalahan sebesar 33,3 % dari tahapan yang seharusnya dalam memecahkan masalah yaitu peserta didik dengan kepribadian influence.
Analisis Sinyal Jantung Menggunakan Metode Fuzzy C-Means (FCM) Clustering untuk Deteksi Aritmia Nadlirah, Tasnim Ahya; Aripin, Aripin; Wulandari, Sari Ayu
Applied Industrial Engineering Journal Vol. 5 No. 2 (2021): DESEMBER
Publisher : Universitas Dian Nuswantoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33633/aiej.v5i2.8953

Abstract

Aritmia jantung adalah salah satu klasifikasi penyakit kardiovaskuler yang menjadi penyebab kematian terbanyak. Seseorang yang telah sembuh dari sakit jantung akan mudah untuk terserang kembali. Sehingga mereka harus mendapatkan alat pemantauan jantung seperti EKG (Elektrokardiogram). Sistem komputer dengan machine learning dapat digunakan untuk membantu membaca hasil rekaman EKG. Namun, kendala untuk mewujudkan identifikasi otomatis menggunakan Sistem komputer merupakan sebuah peranti elektronik yang menghasilkan sejumlah besar data digital melalui pemanfaatan EKG. Ini terjadi karena elektrokardiogram merekam aktivitas listrik jantung dalam satuan milivolt (mV) setiap beberapa detik. Salah satu algoritma yang dapat digunakan adalah Fuzzy C-Means clustering (FCM). Oleh karena itu, kami melakukan penelitian untuk mendeteksi aritmia menggunakan algoritma pengelompokan Fuzzy C-Means (FCM). Informasi yang kami gunakan dalam penelitian ini berasal dari sensor ECG 3-lead AD8232 untuk sampel yang normal dan dari database Massachusetts Institute of Technology-Beth Israel Hospital (MIT-BIH) untuk sampel yang terjangkit di kantong. Hasil pengujian FCM 3D menunjukkan akurasi rata-rata 65% dengan menggunakan 200 titik data per pengujian.
THE EFFECT OF EMOTIONAL INTELLIGENCE ON SERVICE QUALITY WITH ORGANIZATIONAL CITIZENSHIP BEHAVIOR AS A MEDIATOR AMONG PADANG RESTAURANT WORKERS IN SOUTH JAKARTA Aripin, Aripin; Ali, Juhary; Suryanto, Tulus
International Journal of Economy, Education and Entrepreneurship (IJE3) Vol. 4 No. 3 (2024): International Journal of Economy, Education and Entrepreneurship
Publisher : Yayasan Education and Social Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53067/ije3.v4i3.321

Abstract

The purpose of this study is to look at how emotional intelligence affects the quality of restaurant service, as well as whether OCB plays an intermediary role in the relationship. If OCB proves to be a significant mediator, then emotional intelligence not only directly improves service quality but also encourages positive work behaviors   that contribute to better service. This study uses a quantitative approach. The data was obtained using a questionnaire distributed to 140 employees of Padang restaurants spread across South Jakarta. The results of the study show that emotional intelligence has not been able to improve the quality of service directly. However, emotional intelligence is able to increase OCB which in the end OCB is able to improve the quality of service. The findings of this study have explained that OCB has been proven to play a role as a mediator of emotional intelligence to service quality
The Effect of ICARE Model Assisted by Virtual Practicum on Students’ Science Process Skills in Traveling Wave and Stationary Wave Materials Nuraeni, Nisa; Aripin, Aripin; Makiyah, Yanti Sofi
JPPS (Jurnal Penelitian Pendidikan Sains) Vol. 14 No. 1 (2024)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpps.v14n1.p39-50

Abstract

Objective: This study aimed to analyze the effect of the ICARE model assisted by virtual labs on students' science process skills. Method: This research was a quasi-experiment using a posttest-only control group design. The sample consisted of 35 students of XI MIPA 4 and 35 students XI MIPA 6 MAN 2 Tasikmalaya Regency.  Data collection was carried out through an essay-shaped science process skills test consisting of 6 questions which were analyzed using the t test.Results:  Hypothesis test using a t-test at the significance level () obtained tcount  ttable where 3.35 > 1.67 so that   was accepted and  was rejection. Therefore, the research findings show that the ICARE model assisted by virtual practicum has an effect on students' science process skills on the material of traveling waves and stationary waves. Novelty: Innovation in this study was that students applied the material learned with the help of virtual practicum to train science process skills.
THE EFFECT OF THE PHET SIMULATION-ASSISTED THINK, TALK, WRITE LEARNING MODEL ON THE ABITILY OF STUDENTS’ CRITICAL THINGKING SKILLS ON PARABOLIC MOTION MATERIAL Apriana, Erfan; Susanti, Ernita; Aripin, Aripin
PILLAR OF PHYSICS EDUCATION Vol 18, No 2 (2025)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/17272171074

Abstract

This research was motivated by the low ability of students to think critically in physics learning and the need for more innovation in the learning process. The researchers' efforts to overcome this problem are by applying the Think, Talk, Write learning model assisted by PhET Simulation. This research method is quasi-experimental with a non-equivalent control group design. The population in this study was class XI Physics students at a high school in Tasikmalaya, totaling 72 students. The data collection technique in this study describes the ability of critical thinking skills in as many as nine items. The data analysis techniques are prerequisite tests (normality and homogeneity tests), hypothesis tests, N-Gain, and model implementation analysis. The results of the analysis of hypothesis test data using the t-test at the significance level (α = 0.05) showed that after applying the Think, Talk, Write learning model assisted by PhET Simulation, we obtained 4.05 > 1.67, and the calculation results using SPSS showed sig results. (2-tailed) < 0.05 i.e. 0.000 < 0.05. Thus, Ha is accepted, and H0 is rejected. It means that it can be concluded that the Think, Talk, Write learning model assisted by PhET Simulation influences the ability of students' critical thinking skills on parabolic motion material in class XI Physics students at a high school in Tasikmalaya. These findings imply that integrating interactive technology into active learning models can yield better outcomes, suggesting the need for innovative teaching strategies to enhance education quality
EFEKTIVITAS PERENCANAAN PAJAK AKHIR TAHUN DALAM MENGURANGI RISIKO PEMERIKSAAN PAJAK Hendrico, Hendrico; Aripin, Aripin; Pahala, Indra; Wahono, Puji
SIBATIK JOURNAL: Jurnal Ilmiah Bidang Sosial, Ekonomi, Budaya, Teknologi, Dan Pendidikan Vol. 4 No. 7 (2025)
Publisher : Penerbit Lafadz Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/sibatik.v4i7.2865

Abstract

This study aims to examine the effectiveness of year-end tax planning in reducing the risk of tax audits. Strategically and legally implemented tax planning at the end of the fiscal year is believed to be an effective tool to minimize potential corrections and findings by tax authorities. This research employs a qualitative approach using a library research method. The data used are secondary sources obtained from scientific journals, books, articles, and official documents related to tax planning and tax audits. The data were analyzed descriptively, emphasizing interpretation and synthesis of previous research findings. The results indicate that year-end tax planning, when conducted in compliance with applicable tax regulations, can provide significant benefits for taxpayers—both in terms of tax burden efficiency and audit risk mitigation. Such planning includes strategies like income equalization, optimal utilization of fiscal incentives, and accurate and well-documented reporting. Furthermore, previous studies highlight that understanding tax regulations and the readiness of corporate tax administration are critical factors in supporting the effectiveness of tax planning. Therefore, this study underscores the importance of year-end tax planning as a proactive and strategic form of tax compliance, as well as a preventive measure against potential audit risks by tax authorities.
The Effect of the PBL-STEM on Students’ Critical Thinking Skills Awaludin, Robi; Aripin, Aripin; Makiyah, Yanti Sofi
Jurnal Pendidikan Fisika dan Teknologi (JPFT) Vol 11 No 1a (2025): Special Issue
Publisher : Department of Physics Education, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpft.v11i1a.6819

Abstract

The low level of students' critical thinking skills is one of the main challenges in education, often caused by a lack of variety in instructional models. To address this issue, the researcher implemented the Problem-Based Learning model integrated with Science, Technology, Engineering, and Mathematics (PBL-STEM). This study aims to examine the effect of the PBL-STEM model on students' critical thinking skills. The research employed a nonequivalent control group design, involving two groups of students: an experimental group taught using the PBL-STEM model and a control group taught using the conventional PBL model. The subjects were Grade 10 science students (X MIPA) at a senior high school. Data were collected through a critical thinking skills test consisting of 10 validated essay questions, with a reliability coefficient of 0.649. The results indicate that the application of the PBL-STEM model effectively enhances students’ critical thinking skills, with an N-Gain score of 72%, categorized as high. The most significant improvement was observed in the indicators of elementary clarification (the ability to understand and clarify basic concepts) and inference (the ability to draw logical conclusions). A significance test revealed a statistically significant difference between the experimental and control groups, confirming that the PBL-STEM model has a substantial impact on developing students' critical thinking skills.. These findings suggest that the PBL-STEM model not only strengthens students’ analytical and logical reasoning but also provides a learning experience that is relevant to real-world contexts. The study recommends the implementation of the PBL-STEM model as an innovative teaching method to foster critical thinking skills, particularly within science and technology-based learning environments.
Analisis Pembuatan Trial Part Action Bracket Support Menggunakan Material SPHC dengan Metode FMEA dan Fishbone Diagram Sayful Arif; Sumarjo, Jojo; Aripin, Aripin
Industrika : Jurnal Ilmiah Teknik Industri Vol. 9 No. 4 (2025): Industrika: Jurnal Ilmiah Teknik Industri
Publisher : Fakultas Teknik Universitas Tulang Bawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37090/3jgwr218

Abstract

This research was conducted at PT Tri Jaya Teknik Karawang to analyze the constraints in making trial part action bracket support using SPHC T=3.2 material.  This research is important because the trial part process is a crucial stage in ensuring production efficiency and product quality before entering the mass production stage, this research can reveal the root causes of defects, determine the main risk factors, and provide effective improvement recommendations. By applying the FMEA method, companies can reduce product defect rates, improve production efficiency, and optimize the use of resources. The Failure Mode and Effects Analysis (FMEA) method and fishbone diagram are used to identify failures, causes, and determine the highest failure value. This research plays a role in improving production efficiency by reducing the number of defective products that can cause waste of cost and time. The results show that the failures that have the highest Risk Priority Number (RPN) value are thread damage and off-center hole position with an RPN value of 180. Fishbone diagrams identify the main factors causing failures which include tapping, drilling, bending, and operators. Keywords: Failure Mode and Effects Analysis (FMEA), Fishbone Diagram, Manufacturing, Trial Part
Pengaruh E-LKPD Berbasis Model CLIS Terhadap Keterampilan Berpikir Kritis Pada Pokok Bahasan Momentum dan Impuls Agustini, Dini; Makiyah, Yanti Sofi; Aripin, Aripin
Jurnal Pendidikan Fisika FKIP UM Metro Vol 13, No 2 (2025)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/jpf.v13i2.12007

Abstract

Tujuan dari penelitian ini adalah untuk mengetahui pengaruh E-LKPD berbasis model CLIS terhadap keterampilan berpikir kritis pada bahasan momentum dan impuls. Metode penelitian yang digunakan kuasi eksperimen dengan desain penelitian posttest only control design. Populasi penelitian ini seluruh kelas X IPA di SMAN 2 Ciamis dengan jumlah siswa 250 orang sebanyak 7 kelas. Sampel penelitian diambil dengan teknik cluster random sampling sebanyak 2 kelas, yaitu kelas X IPA 5 sebagai kelas eksperimen dan kelas X IPA 3 sebagai kelas kontrol, dengan rincian masing-masing kelas berjumlah 36 peserta didik. Instrumen pengumpulan data adalah tes yang berbentuk soal uraian. Teknik analisis data menggunakan uji prasyarat (uji normalitas, uji homogenitas), dan uji hipotesis. Hasil uji hipotesis pada taraf signifikansi (? = 0,05) menunjukkan bahwa diperoleh thitung(7,86) > ttabel(1,67) sehingga Ha diterima. Ini berarti ada pengaruh E-LKPD berbasis model Children Learning In Science terhadap keterampilan berpikir kritis pada pokok bahasan momentum dan impuls di kelas X IPA SMA Negeri 2 Ciamis tahun ajaran 2022/2023.
Co-Authors Agustini, Dini ahmad yani Albert Riyandi Alex Akbar Lukman, Alex Akbar Alfa Mitri Suhara, Alfa Mitri Amrullah, Muhammad Rifqi Hanif Amza, Andi ANDI NAHRUL HAYAT, MOHAMMAD EXCEL Andryani, Dinda Syaqila Anjani, Ratna Dewi Apriana, Erfan Ardiansyah, Ivan Nur Aswari, Muslim Awaludin, Robi Azzahra, Elsa B. Kurniawan Badriah, Liah Cinantya Paramita Clara Maria Livia Suitela Dani Ramdani, Dani Dany, Rahmad Dedi Nurcipto, Dedi Dita Ayu Mayasari, Dita Ayu Erika Dina Permata Ernita Susanti Fenita Purnama Sari Indah firmansyah maualana sugiartana nursuwars Hanny Haryanto Hariyanto, Stefhant Hayani, Surma Hendrico, Hendrico Herlinda, Mega Hernawati, Diana Hidayati Hidayati I Nyoman Adi Putra Ihtifazhuddin Hawari Ilema, Resty Iliyani, Shopiya Imam Taufiqurrahman Indra Pahala Irawan, Henky Jayadi Jayadi Joko Sampurno Juhary Ali Jumardin La Fua, Jumardin Kardiman, Kardiman Karlina Muzianti, Intan Lutfi Amin, Shella Makiyah, Yanti Sofi Marno Marno Mekata, M Menik Dwi Kurniatie Mitsudo, Mitsudo Monitasari, Anna Mubarokiyah, Tasya Azizah Muhammad Miftah Muhammad Miftah, Muhammad Muljono, - Mulyana Mulyana Mustofa, Romy Faisal Muzahar Muzalfa Nakiatun Niza Nadlirah, Tasnim Ahya Naeli Laelal Khiaroh Nuraeni, Nisa Nurfadilah Siregar Nurlaili, Fitroh Nurwulan Adi Ismaya Okto Ivansyah Rachman, Muhamad Taufik Rachmasari, Sri Ramadhani, Salshabila Ayu Ratnasari, Yanti Rita Dwi Pratiwi Saifullah, Firman Sari Ayu Wulandari Sasmita, Yopi Wiliyana Sawitri, Anak Agung Sagung Sayful Arif Sofi Makiyah, Yanti Steven Adi Santoso Suhada, Karya Sumarjo, Jojo Sumarjo, Jojo Sumarjo Sutisna Sutisna T. Idehara Tanty, Herty Nur Toto Haryadi Tulus Suryanto Usrah, Ifkar Vincent Suhartono Wahono, Puji Wilanno, Marga Rizqi Wisnu Agastya Wistama, Sri Tirto Mada Yudiana, Yudiana Zahra Putri Rukmansyah, Siti