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All Journal PROSIDING SEMINAR NASIONAL MEDIA ELEKTRIKA Traksi : Majalah Ilmiah Teknik Mesin Jurnal Karya Pendidikan Matematika JITEK (Jurnal Ilmiah Teknosains) Media Keperawatan Indonesia To Maega: Jurnal Pengabdian Masyarakat Aviation Electronics, Information Technology, Telecommunications, Electricals, Controls (AVITEC) Journal of Intelligent Computing and Health Informatics (JICHI) Jurnal Penelitian Inovatif Jurnal Sains dan Ilmu Terapan Riwayat: Educational Journal of History and Humanities Prosiding Seminar Nasional Unimus International Journal of Information Engineering and Science
Achmad Solichan
Universitas Muhammadiyah Semarang
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Dentistry Education Electrical & Electronics Engineering Energy Engineering Health Professions Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Veterinary Other

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Virtual Outreach (VO) as an effort to increase VCT (Voluntary Counselling and Testing) coverage at PSP (Female Sex Workers) in Semarang Regency Rokhani Rokhani*; Indri Astuti Purwanti; Achmad Solichan; Rohmatul Fitri Ummumah; Rohmalia Shoffi Salsabila
Riwayat: Educational Journal of History and Humanities Vol 6, No 1 (2023): Economic History, Education Media, and Humanities
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jr.v6i1.29485

Abstract

The high number of HIV / AIDS cases in Indonesia requires the role of all parties to reduce the infection of the disease, one of the efforts to reduce the transmission of HIV / AIDS is to increase the coverage of VCT (Voluntary Counselling and Testing). The program aims to increase VCT coverage by using VO (virtual outreach). The method used in the activity uses the PRA (Parcipatory Rural Apraisal) model, namely by involving all field officers at the Sokoguru Foundation  through providing education and training to increase capacity in conducting VO. As a result of this activity, there was a significant difference (p value 0.05) in terms of the knowledge of trainees before and after being given this education and training. In conclusion, the Sokoguru Foundation, which oversees field officers, can routinely increase the capacity of its field officers to conduct virtual outreaches as an alternative in conducting outreach to the Key population.
Kadar Il-6 Dan Pge2 Pada Ibu Pasca Counter-Pressure Regiosakralis Sebagai Therapi Nyeri Akibat Kontraksi Rahim Sri Rejeki; Achmad Solichan; Fitri Nuroini
Prosiding Seminar Nasional Unimus Vol 4 (2021): Inovasi Riset dan Pengabdian Masyarakat Post Pandemi Covid-19 Menuju Indonesia Tangguh
Publisher : Universitas Muhammadiyah Semarang

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Abstract

Latar belakang: Nyeri  merupakan kondisi fisiologis yang secara umum dialami oleh hampir semua ibubersalin atau nyeri saat menstruasi (Dismenorhoe). Nyeri menyebabkan takikardi pada ibu,peningkatan konsumsi oksigen, produksi asam laktat (laktat), hiperventilasi dengan risiko alkalosisrespirasi, dan peningkatan ketegangan otot skeletal. Counter Pressure Regiosarkalis merupakan terapiyang efektif menurunkan nyeri akibat kontraksi rahim. Berdasarkan penelitian yang telah dilakukan,terapi Counter-Pressure Regiosarkalis dapat menurunkan tingkat nyeri juga terbukti sedikitmenurunkan kadar prostaglandin (PGE-2) dalam jumlah yang tidak signifikan. Perubahan pada PGE2dicurigai  berdampak pada stimulannya hormon Interleukin-6 (IL-6). Penelitian ini bertujuanmelihat pengaruh terapi Counter Pressure Regiosarkalis terhadap kadar IL-6 dan prostaglandin padakala 1 persalinan. Metode: Metode Penelitian menggunakan Quasi Eksperimen, dengan kriteria inklusiibu persalinan kala I, tidak ada kelaian panggul dan kelainan lainya yang menghalangi prosespersalinan pervagina, primipara, kehamilan tunggal, letak kepala  tidak mendapat obat-obatanpenghilang rasa nyeri. Hasil: Hasil penelitian didapatkan 25 responden dengan rata-rata usia 23,72 (±2,89) tahun, rerata konsentrasi IL-6 sebelum terapi 185,159 (± 3,76) pg/ml dan rerata setelah terapi180,782 (± 22,05) pg/ml, Konsentrasi rerata PGE2 sebelum terapi 223,521 (± 72,73) pg/ml dan reratasetelah terapi 179,873 (± 110,61) pg/ml. Kesimpulan: Pemberian terapi counter-pressure regiosacralistidak signifikan menurunkan kadar hormon IL-6 dan prostaglandin pada ibu ang mengalami kontraksirahim. Kata Kunci : Counter-pressure Regiosakralis, Interleukin 6, Prostaglandin E 2, kontraksi rahim
Rancang Bangun Sistem Keamanan Ganda Sepeda Motor Berbasis Arduino Nano Menggunakan RFID dan SIM800L Hernanda Afrizal Lisna Gifhari; Achmad Solichan; Arief Hendra Saptadi; Radiktyo Nindyo Sumarno
Prosiding Seminar Nasional Unimus Vol 5 (2022): Inovasi Riset dan Pengabdian Masyarakat Guna Menunjang Pencapaian Sustainable Developm
Publisher : Universitas Muhammadiyah Semarang

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Abstract

Kejahatan seperti pencurian sepeda motor bisa sangat merugikan karena sepeda motor merupakan salah satu transportasi utama dan sumber pendapatan utama bagi sebagian orang terutama para driver ojekonline dan kurir. Alat pengaman ganda pada sepeda motor sangat penting untuk menghindari kejahatan tersebut. Pada penelitian rancang bangun sistem pengaman ganda sepeda motor menggunakan RFID danSIM800L berbasis Arduino, memanfaatkan modul RFID dan SIM800L sebagai alat utama pengaman ganda yang akan diproses atau dikelola oleh sistem operasi mikrokontroler Arduino. Metode penelitian yang digunakan berupa perancangan dan pengujian (pengujian alat atau komponen, pengujian subsistem, pengujian sistem secara keseluruhan). Data penelitian berupa hasil pengujian tegangan, aksi relay, identifikasi RFID dan komunikasi SIM800L. Tegangan pada baterai memiliki error sebesar 0,384% dan error tegangan keluaran IC 7812 sebesar 0%. Sedangkan waktu tunda untuk sistem RFID memiliki rata-rata 0,343 detik dan untuk SIM800L memiliki waktu tunda rata-rata pengiriman pesan sebesar 7,548 detik dengan kekuatan sinyal yang terbatas. Kata Kunci : Sistem Pengaman Ganda, RFID-RC522, SIM800L, IC Fixed Regulator, Arduino Nano.
Analisis Dampak Harmonisa terhadap Arus Netral pada Transformator Distribusi 2000 kVA Gedung GKB 2 Universitas Muhammadiyah Semarang Musoffiyah, Nurul Luayli; Solichan, Achmad; Muntasiroh, Laily; Kiswanto, Aris
Jurnal Penelitian Inovatif Vol 4 No 3 (2024): JUPIN Agustus 2024
Publisher : CV Firmos

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54082/jupin.590

Abstract

Harmonis adalah gelombang frekuensi yang merupakan kelipatan dari frekuensi dasar. Harmonisa dapat menyebabkan gangguan pada peralatan listrik, seperti terbakarnya peralatan listrik, penurunan umur peralatan listrik, dan penurunan kualitas daya listrik. Penelitian ini bertujuan untuk menganalisis dampak harmonisa terhadap arus netral pada transformator 2000 kVA distribusi gedung GKB 2 Universitas Muhammadiyah Semarang. Metode yang digunakan pada penelitian ini yaitu analisis dan pengukuran menggunakan alat ukur berupa Power Quality Analyzer. Analisis data dan pengukuran dilakukan selama lima hari. Hasil penelitian menunjukkan bahwa THD pada hari Rabu dan Kamis melebihi standar karakteristik IEC, yaitu sebesar 4.81% dan 5.01%. Arus netral pada hari Rabu juga melebihi standar karakteristik IEC, yaitu sebesar 5.23%. Ketidakseimbangan dan arus netral yang melebihi standar karakteristik dapat menyebabkan gangguan pada peralatan listrik.
NAKNN: An Efficient Classification of Indonesian News Texts with Nazief-Adriani and KNN Ansor, Basirudin; Ramdani, Aditya Putra; Sari, Nova Christina; Al Amin, Muhammad Zainudin; Solichan, Achmad; Mahadewi, Kilala
Journal of Intelligent Computing & Health Informatics Vol 5, No 2 (2024): September
Publisher : Universitas Muhammadiyah Semarang Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26714/jichi.v5i2.15420

Abstract

Internet usage in Indonesia has seen a significant increase, reaching 215.63 million users in 2022-2023, or 78.19% of the population. With the ease of internet access, digital news portals like Narasi TV have become a primary source of information for many people. However, the large number of news articles makes manual categorizing challenging. This study aims to classify Indonesian-language news documents from Narasi TV using the Nazief-Adriani algorithm for stemming and the K-Nearest Neighbor (KNN) method for classification. The text mining process begins with preprocessing, which includes case folding, tokenizing, stop-word filtering, and stemming. Using a dataset of 500 news documents, the study demonstrated that with a 90:10 data split, the average accuracy reached 93%, with the highest value being 100%. For the 80:20 data split, the average accuracy was 89%, with the highest value being 93%, and for a 70:30 data split, the average accuracy was 87%, with the highest value being 89%. In conclusion, the combination of the Nazief-Adriani algorithm and the KNN method with optimal k selection and random states obtained high accuracy, obtaining an average accuracy of 93%) in classifying Indonesian-language news documents. These results demonstrate the significant potential of text mining and classification techniques to manage digital news.
Pengembangan Sistem Pakar untuk Mendiagnosis Gangguan Perkembangan Anak dengan Metode Certainty Factor Muhammad Zainudin Al Amin; Achmad Solichan; Aditya Putra Ramdani; Basirudin Ansor; Nova Christina Sari; Karima Elsami
Jurnal Sains dan Ilmu Terapan Vol. 7 No. 1 (2024): Jurnal Sains dan Ilmu Terapan
Publisher : Politeknik Kampar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59061/jsit.v7i1.882

Abstract

An expert system for diagnosing developmental disorders in children using the certainty factor method serves as a tool for early detection in children exhibiting unusual behavior for more than three months. Some common disorders in children include autism, oppositional defiant disorder (ODD), mental retardation, and ADHD (Attention Deficit Hyperactivity Disorder). The development of an expert system application for diagnosing developmental disorders in children using the certainty factor method was implemented using PHP and MySQL in the form of a website. Through this application, users can consult with the system as if consulting with an expert to identify the disorder affecting the child based on the symptoms experienced. The application also allows users to view medical records based on the examinations conducted.
Analisis Kualitas Daya Listrik Pada Transformator Distribusi 2.000 KVA Trafoindo Prima Perkasa Universitas Muhammadiyah Semarang Fadli, Rifqi Nur; Solichan, Achmad; Muntasiroh, Laily
Prosiding Seminar Nasional Unimus Vol 7 (2024): Transformasi Teknologi Menuju Indonesia Sehat dan Pencapaian Sustainable Development G
Publisher : Universitas Muhammadiyah Semarang

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Abstract

Penelitian di Universitas Muhammadiyah Semarang ini bertujuan untuk mengevaluasi kualitas daya listrikpada transformator distribusi berkapasitas 2.000 kVA yang memasok energi ke beberapa bangunankampus. Uji kualitas daya dilakukan selama satu pekan menggunakan Power  Quality  Analyzer  (PQA) Hioki  PQ3100,  dengan  pengukuran  difokuskan  pada  sisi skunder transformator. Hasil pengujianmenunjukkan adanya ketidakseimbangan arus sistem yang mencapai 8,68%, yang melebihi batas standarsebesar 5%, menandakan adanya masalah pada distribusi daya. Meskipun demikian, parameter kualitasdaya lainnya, termasuk tegangan, frekuensi, faktor daya, dan harmonisa, masih berada dalam rentang yangdiizinkan dan menunjukkan kinerja yang baik. Tegangan berada di antara 232,25 Volt hingga 236,82 Volt,frekuensi berkisar antara 49,709 Hz hingga 50,036 Hz, dan faktor daya tercatat antara 92,79% hingga96,96%. Dengan demikian, meskipun terdapat ketidakseimbangan arus yang perlu diperbaiki,transformator ini secara keseluruhan menunjukkan kualitas daya listrik yang baik.Kata Kunci : Transformator, Kualitas Daya Listrik, PQA Hioki PQ3100.
Optimizing Shortest Job First (SJF) Scheduling through Random Forest Regression for Accurate Job Execution Time Prediction Aditya Putra Ramdani; Achmad Solichan; Basirudin Ansor; Muhammad Zainudin Al Amin; Nova Christina Sari; Kilala Mahadewi
International Journal of Information Engineering and Science Vol. 1 No. 3 (2024): August : International Journal of Information Engineering and Science
Publisher : Asosiasi Riset Teknik Elektro dan Infomatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/ijies.v1i3.138

Abstract

One of the CPU scheduling methods that is frequently used to reduce waiting time and average execution time is Shortest Job First (SJF). However, this algorithm's accuracy is largelbravy dependent on how well the job execution time is predicted. The purpose of this study is to enhance work execution time estimates by optimizing the SJF algorithm through the use of the Random Forest Regression model. The model in this study is trained using historical job data. The test results demonstrate how Random Forest Regression may be included into SJF to greatly increase system efficiency, especially in terms of throughput and waiting time reduction.
Co-Authors - Purnomo - Subronto Aditya Putra Ramdani Al Amin, Muhammad Zainudin Apondala Apondala Arief Hendra Saptadi Arief Hendra Saptadi Aris Kiswanto Basirudin Ansor Dina Mariani Dini Cahyandari Dwi Sulistyaningsih Fadli, Rifqi Nur Fitri Nuroini Fitri Nuroini Hanif Caesar Rachmad Hanityo Adi Nugroho Heri Suryo Hernanda Afrizal Lisna Gifhari Ilham Yustar Afif Indri Astuti Purwanti Karima Elsami Khoeri - Kilala Mahadewi Luqman Assaffat M. Toni Prasetyo Mahadewi, Kilala Moh. Sabiqul Faiz Muntasiroh, Laily Musoffiyah, Nurul Luayli Ni Putu Pramanasari Nova Christina Sari Purnomo . R. Ery Wibowo Agung Radiktyo Nindyo Sumarno Rohmalia Shoffi Salsabila Rohmatul Fitri Ummumah Rokhani Rokhani* Rudy Haryanto Saefudin, Slamet Samsudi Raharjo Shokhibul Kahfi SRI REJEKI Sri Rejeki Syarif Mahmud Venissa Dian Mawarsari