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All Journal Teknika: Jurnal Sains dan Teknologi Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Journal of Systems Engineering and Management
Saraswati, Irma
Universitas Sultan Ageng Tirtayasa
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering

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Prototype of blood sugar measuring instrument with non invasive method using near infrared Saraswati, Irma; Dzaky, Muhammad Fikri; Haryanto, Heri
Jurnal Teknika Vol 20, No 1 (2024): Available Online in June 2024
Publisher : Faculty of Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/tjst.v20i1.23146

Abstract

At present the measurement of blood sugar still uses an invasive tool, this disrupts the patient's comfort and can cause infection and pain. So that a non-invasive tool is needed to measure blood sugar. Tool testing was done by measuring blood sugar levels in 35 patients and seeing a correlation between the value of blood sugar levels with ADC. The test results showed that the value of changes in blood sugar levels followed y = -0.146x + 164.89 Coefficient value R = 0.9233 The value of the accuracy of the tool was 91.086% and the precision of 94.3026%. Blood sugar measuring devices that have been designed to monitor the blood sugar of users by using the internet. This blood sugar meter cannot be used as a reference for the actual blood sugar level. However, the realization of this tool can still determine a rough estimate of the high and low levels of sugar in the blood.
Design of automatic control system on pakcoy plant parameters in nutrient film technique hydroponic media Praptodiyono, Supriyanto; Saraswati, Irma; Kusuma, Sidiq Tri
Jurnal Teknika Vol 20, No 1 (2024): Available Online in June 2024
Publisher : Faculty of Engineering, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/tjst.v20i1.23142

Abstract

Technology in agriculture is always developing, one of which is cultivation using hydroponic media. One of the hydroponic cultivation techniques is the hydroponic nutrient film technique (NFT). The hydroponic cultivation of the nutrient film technique is carried out by placing plant roots in a shallow and circulating layer of water. One of the plants that can be used in NFT hydroponic media is the pakcoy mustard plant. During the growth period of pakcoy mustard in the hydroponic nutrient film technique media, parameters such as air temperature, water temperature, water level, water pH, and plant nutrients will greatly affect. The optimal air temperature during the growth of mustard greens is 22-33˚C, water temperature is 25-28˚C, water level is 25-35 cm or depending on the tank used, water pH is 6-7, and plant nutrition is 900-1400 PPM. If the parameter conditions in the hydroponic greenhouse are not in accordance with the optimal limits, the growth of the mustard greens will be stunted or die. In this study an automatic control system was designed using the WEMOS Mega 2560 microcontroller as the control center, DHT22 sensor, MAX6675 sensor, HC-SR04 ultrasonic sensor, PH-4502C sensor, analog TDS sensor, misting pump, peltier, water pump, and mini DC pump. . The results of this study are in the form of sensor reading values consisting of air temperature, water temperature, water level, water pH, and plant nutrients which have been transferred to the microcontroller so that they can be processed to be displayed on the LCD screen and if the sensor reading values do not match the optimal limits then the microcontroller will activate the misting pump, peltier, water pump, and mini DC pump automatically. With the automatic control system, the condition of these parameters can be maintained at optimal limits
Load Forecasting Energi Listrik Provinsi Banten Tahun 2022-2030 Menggunakan Metode Backpropagation Neural Network Hartono, Hartono; Muharni, Yusraini; Setiawan, Irvan; Saraswati, Irma; Maulana, Alief
Journal of Systems Engineering and Management Vol 2, No 1 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/joseam.v2i1.19265

Abstract

Kebutuhan energi listrik dimasa yang akan datang membutuhkan suatu perencanaan dan juga prediksi yang baik. Oleh sebab itu dibutuhkan perencanaan secara sistematis dengan berdasarkan data historis. Penelitian ini menggunakan neural network dengan algoritma backpropagation untuk melakukan prakiraan kebutuhan energi listrik Provinsi Banten di masa yang akan datang. Penelitian ini bertujuan membandingkan hasil prakiraan metode jaringan syaraf tiruan (JST) dengan RUPTL PLN 2021-2030. Setelah dilakukan proses perhitungan dan simulasi diperoleh hasil prakiraan kebutuhan energi listrik Provinsi Banten pada tahun 2021–2030 dengan metode JST diperkirakan akan mengalami kenaikan sebesar 30613.41 GWH pada tahun 2030 dengan rata–rata pertumbuhan setiap tahun sebesar 3.24%. JST backpropagation memiliki nilai kesalahan yang lebih rendah 0.39% dibandingkan dengan RUPTL PT PLN sebesar 2.74%. Berdasarkan kriteria mean average percentage error (MAPE) hasil perakiraan keseluruhan JST backpropagation dan RUPTL PT PLN berada pada kategori dapat diterima dan sangat baik.
Pemodelan Arus Eddy pada Domain Dua Dimensi untuk Evaluasi Objek Logam Non-Magnetik Muttakin, Imamul; Fahrizal, Rian; Maulana, Alief; Ahendyarti, Ceri; Lufianawati, Dina Estining Tyas; Saraswati, Irma; Fadlil, Fadlil
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 13, No 2 (2024): Edisi Desember 2024
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/setrum.v13i2.29845

Abstract

Pengujian tak merusak (NDT) berbasis arus eddy merupakan metode evaluasi objek tanpa melakukan kontak dan intrusi. Teknik ini penting digunakan dalam pemantauan kondisi suatu entitas berbahan logam. Keberagaman struktur target menjadi tantangan yang menuntut performa akurasi dan resolusi spasial dari instrumentasi arus eddy. Paper ini membahas pemodelan sensor pada domain dua dimensi menggunakan metode elemen hingga dengan bantuan perangkat lunak multifisika. Konfigurasi sensor kumparan induksi dikaji untuk variasi kondisi objek pada frekuensi operasi di bawah 1 kHz. Pada kumparan dengan inti udara, keberadaan cacat pada objek menghasilkan perubahan tegangan penerima sebesar 0,31%; sedangkan pada kumparan dengan inti besi sebesar 0,41%. Penambahan inti besi pada sensor kumparan induksi meningkatkan sensitivitas deteksi sebesar 86%. Prosedur ini dapat menjadi pemandu dalam mengembangkan sistem instrumentasi berbasis arus eddy yang efektif.
Co-Authors Ceri Ahendyarti Dzaky, Muhammad Fikri Fadlil, Fadlil Fahrizal, Rian Haryanto, Heri Kusuma, Sidiq Tri Lufianawati, Dina Estining Tyas Maulana, Alief Muharni, Yusraini Muttakin, Imamul Praptodiyono, Supriyanto Setiawan, Irvan