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All Journal Indonesian Journal of Electronics and Instrumentation Systems Teknika Jurnal Media Elektro : Journal of Electrical Power, Informatics, Telecommunication, Electronics, Computer and Control System Jurnal Ilmiah Keperawatan Jurnal Dinamis Elektriese: Jurnal Sains dan Teknologi Elektro
Qanitah, Qanitah
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Veterinary

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Faktor Determinan Turnover Intention Perawat di Rumah Sakit Islam Surabaya Qanitah, Qanitah; Muhadi, Muhadi; Indahyati, Emilya
Jurnal Ilmiah Keperawatan STIKES Hang Tuah Surabaya Vol 17 No 2 (2022): October Edition
Publisher : Sekolah Tinggi Ilmu Kesehatan Hang Tuah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30643/jiksht.v17i2.209

Abstract

The turnover rate in RSI Surabaya for the last 5 years, namely 2017-2021, has increased by an average of 18.14%. High turnover rates can have a negative and positive impact on hospitals. The occurrence of turnover begins with the desire to leave, the desire to leave work can be caused by several factors including individual factors and job satisfaction factors. This study aims to determine individual determinants and job satisfaction related to nursing turnover intention at RSI Surabaya. The method used in this study is a quantitative analytical approach with a cross-sectional design, and sampling technique with simple random sampling and the sample in this study was 126 nurses. Data analysis used univariate and bivariate tests (correlation tests of Kendall's tau-b). The Results nurses who work at RSI Surabaya feel quite satisfied with job satisfaction (the job itself, salary, promotion opportunities, supervision, and co-workers). The incidence of nurse turnover intention at RSI Surabaya is included in the moderate category. The determinant factor of individuals related to the turnover intention of nurses at RSI Surabaya is the marital status with a significant value of 0.021, while the determinant factor of job satisfaction related to turnover intention in RSI is satisfaction with salary, with a significant value obtained of 0.027. The more unmarried nurses, the higher the turnover intention, and the lower the level of satisfaction with the salary, the higher the turnover intention.
PENGEMBANGAN PROTOTIPE TURBIN SEBAGAI PROYEK APLIKASI ENERGI TERBARUKAN Hasbiyati, Haning; Qanitah, Qanitah; Nuruddin, Mochammad
DINAMIS Vol 21 No 2 Desember (2024): Dinamis
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat Universitas Sains dan Teknologi Jayapura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58839/jd.v21i2.1466

Abstract

Pengembangan prototipe turbin mendukung kemandirian teknologi energi nasional. Perlunya mendesain dan mengembangkan prototipe turbin yang efisien, ekonomis, dan sesuai dengan kondisi lokal. Penelitian ini diharapkan mampu memberikan kontribusi nyata dalam mendukung transisi energi berkelanjutan di Indonesia. Menghasilkan data komparatif mengenai efisiensi, daya tahan, dan performa berbagai desain prototipe turbin berdasarkan parameter teknis dan pengujian lapangan. Metode penelitian yang digunakan dalam penelitian ini adalah penelitian pengembangan (R&D). Metode penelitian ini digunakan untuk menghasilkan dan menguji prototipe turbin. Hasil analisis berbagai prototipe turbin, masing-masing memiliki kelebihan dan kekurangan yang mencerminkan potensi serta tantangan dalam pengembangan desain turbin. Evaluasi ini menyoroti pentingnya inovasi dan optimasi desain turbin untuk meningkatkan efisiensi dan daya tahan, baik untuk aplikasi komersial maupun edukasi. Namun, keberlanjutan dan optimalisasi desain tetap menjadi fokus penting untuk mendukung implementasi energi terbarukan secara luas
Rancang Bangun Sistem Monitoring Proses Produksi Bioetanol Berbasis ESP8266 dan ESP32 SoC: Design and Construction of a Bioethanol Production Process Monitoring System Based on ESP8266 and ESP32 SoC Afianah, Nuzula; Qanitah, Qanitah; Febriani, Siti Diah Ayu; Susmiati, Yuana
Elektriese: Jurnal Sains dan Teknologi Elektro Vol. 15 No. 02 (2025): Artikel Riset Edisi Oktober 2025
Publisher : Yayasan Cita Cendekiawan Al Khwarizmi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/elektriese.v15i02.5976

Abstract

The increasing demand for renewable energy has driven the development of bioethanol as an alternative fuel to replace or blend with fossil fuels, offering high prospects in the future. Driven by these high prospects, bioethanol production has begun to be widely carried out. However, the bioethanol production process tends to be complex, including fermentation and distillation processes that require intense and strict monitoring. Monitoring of both processes consists of essential parameters that must be considered, such as temperature, pH, and ethanol content, as time series data is taken intermittently and continuously. This monitoring or supervision determines the quality and success of the bioethanol production process from biomass materials, in this case, using fermented and distilled sugarcane juice. This study aims to design and implement a bioethanol production process monitoring system based on the ESP8266 microcontroller and ESP32 SoC. Both micro modules are implemented in a hybrid with HTTP communication for data logger output on a cloud service. This system uses a DS18B20 temperature sensor, a pH sensor, and an MQ3 ethanol gas sensor programmed using the Arduino IDE. The development method used is the waterfall method. Several stages include needs, including system design, implementation, hardware and software testing, and system maintenance. The implementation results show success and satisfactory achievements from the performance analysis of the sensors used. The system can monitor parameters with low errors, <1% at temperature, <10% at pH, and can detect alcohol content up to 96% of the bioethanol produced.
Analisis Tekno Ekonomi Produksi Briket Tempurung Kelapa Qanitah, Qanitah; Hidayatullah, Farhan Syarif; Susmiati, Yuana
Elektriese: Jurnal Sains dan Teknologi Elektro Vol. 14 No. 01 (2024): Artikel Riset Edisi April 2024
Publisher : Yayasan Cita Cendekiawan Al Khwarizmi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/elektriese.v14i01.4402

Abstract

Tekno ekonomi erat kaitannya dengan pengambilan keputusan untuk menjalankan suatu bisnis. Penelitian ini bertujuan untuk menganalisis aspek teknis dan ekonomis produksi briket berbahan baku arang tempurung kelapa di PT XYZ. Pada penelitian ini, tekno ekonomi digunakan untuk menganalisis kelayakan bisnis briket yang meliputi analisis kualitas briket dan biaya proses pembuatan briket dalam kegiatan usaha PT XYZ. Data yang diperoleh dianalisa menggunakan analisis deskriptif. Pengujian kualitas briket yang dilakukan adalah kadar air, kadar abu, volatille matter, fixed carbon, nilai kalor dan laju pembakaran; Hasil analisis menunjukkan bahwa setiap tahunnya perusahan mampu memproduksi sebanyak 532.560 kg/tahun sedangkan dari sisi rendemen yaitu 71,43%, dengan nilai susut sebesar 28,57%. Berdasarkan perhitungan HPP dihasilkan harga sebesar Rp 20.000 per kilogramnya. Perusahan harus memproduksi briket arang tempurung kelapa sebanyak 135.890,8687 dan harus memperoleh omset sebesar Rp 2.165.306.215 untuk mencapai titik impas. Lama pengembalian modal didapatkan sebesar 1,53 yang berarti modal yang dikeluarkan oleh PT XYZ akan kembali dalam kurun waktu 1 tahun 6 bulan 11 hari. Hasil NPV bernilai positif dan nilai BCR sebesar 1,650 sehingga proyek layak dilaksanakan karena investasi yang dicapai mampu memberikan keuntungan sampai periode yang diperhitungkan. Kontribusi dari penelitian ini pada tambahan informasi yang didapatkan dan dapat bermanfaat bagi pihak perusahaan sebagai pertimbangan dalam pengambilan keputusan serta dalam penentuan harga jual yang tepat. Peningkatan promosi produk agar penjualan produk briket arang tempurung kelapa ini lebih banyak peminatnya sehingga penjualan meningkat dan menambah keuntungan perusahaan.
Analisis Karakteristik Pasta Bio-Baterai Berbahan Baku Musa Paradisiaca dan Citrus Sinensis Faizin, Nur; Arif, M. Farhan; Rudiyanto, Bayu; Qanitah, Qanitah
TEKNIKA Vol. 20 No. 1 (2026): Teknika Januari 2026
Publisher : Politeknik Negeri Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.17866764

Abstract

Limbah kulit pisang dan jeruk mengandung bahan organik seperti kalium, magnesium, dan asam sitrat, yang dapat berfungsi sebagai sumber bio-baterai ramah lingkungan. Tujuan dari penelitian ini adalah untuk mengevaluasi bagaimana perbedaan dalam komposisi kulit pisang tanduk (Musa paradisiaca) dan kulit jeruk peras (Citrus sinensis) memengaruhi karakteristik listrik bio-baterai seperti tegangan, arus, dan daya tahan. Sebanyak 11 sampel dengan komposisi berbeda (0–100%) dibuat dalam bentuk pasta, diisi ke wadah baterai bekas AA, lalu diuji menggunakan multimeter dan pH meter selama 6 jam. Hasil menunjukkan bahwa kulit pisang kaya kalium (77,33%) dan magnesium (7,59%), sedangkan kulit jeruk mengandung kalsium (39,22%) dan magnesium (19,8%). pH cenderung lebih asam seiring meningkatnya proporsi kulit jeruk. Sampel B1 yang mengandung kadar jeruk tinggi menghasilkan tegangan dan arus awal tertinggi, namun cepat menurun, sedangkan sampel dengan kandungan pisang tinggi (B11) memiliki daya tahan lebih lama (hingga 18 jam 2 menit). Bio-baterai mencapai hingga 53,65% tegangan dan 44,40% arus baterai AA konvensional. Kesimpulannya, campuran kulit jeruk meningkatkan daya listrik sementara kulit pisang memperpanjang durasi kerja. Bio-baterai ini menunjukkan potensi sebagai solusi energi alternatif berbasis limbah organik meskipun masih memerlukan pengembangan lebih lanjut.
Implementasi Support Vector Machine pada Sistem Fermentasi Produksi Bioetanol Afianah, Nuzula; Susmiati, Yuana; Febriani, Siti Diah Ayu; Qanitah, Qanitah
IJEIS (Indonesian Journal of Electronics and Instrumentation Systems) Vol 16, No 1 (2026): April
Publisher : IndoCEISS in colaboration with Universitas Gadjah Mada, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijeis.103168

Abstract

The biomass fermentation system is used to produce bioethanol from organic basic materials with the help of microorganisms. The bioethanol production process produced ethanol concentration with Saccharomyces Cerevisiae in this study using experimental methods by implementing a monitoring system using ESP32, cloud service data logger, pH sensor, MQ-2 sensor and temperature sensor. The test dataset is stored in the next data logger cloud service used for the process of classifying fermentation results.The real-time data logger from the monitoring system has not been able to detect the parameters that categorize the concentration of fermentation products have been declared successful, so the user must analyze the data and carry out periodic checks to ensure the success of the fermentation process. The results of the SVM test show that the level of accuracy in the classification of bioethanol fermentation production shows satisfactory results, namely 99.79% using a linear kernel with training data of 60% and testing data of 40%, while the lowest accuracy using the RBF kernel is 95.85 with 80% training data and 20% testing data. 
ANALISIS PERFORMA PROTOKOL MQTT PADA SISTEM MONITORING GAS BERBAHAYA MENGGUNAKAN SENSOR MQ135 TERINTEGRASI ANDROID Genarsih, Tunjung; Indrasari, Nindayu; Rohman, Ardianto Syaifur; Dwianto, Sihmaulana; Dwinanda, Angga; Putri, Salsabila Liandra; Qanitah, Qanitah
Jurnal Media Elektro Vol 15 No 1 (2026): April 2026
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/jme.v0i0.28118

Abstract

This study analyzes the performance of the Message Queuing Telemetry Transport (MQTT) protocol in a hazardous gas monitoring system using an MQ135 sensor and an ESP8266 NodeMCU microcontroller, integrated with a Flutter-based Android application. The monitored gases include CO, NO₂, CO₂, and SO₂, based on the threshold limits set by Permenaker No. 5 of 2018. The objective of this study is to evaluate MQTT Quality of Service (QoS) parameters, including delay, jitter, packet loss, and throughput, across three QoS levels (0, 1, and 2). Sensor validation was conducted using the Repeatability Test and Threshold Detection Test. The results show that the sensor demonstrates good reliability with CV values ranging from 1.92% to 3.78% and an average detection success rate of 98.9%. MQTT testing indicates that QoS 0 achieves the lowest delay (42.3 ms), jitter (3.12 ms), and zero packet loss, and the highest throughput (18.6 kbps). Additionally, the system provides real-time notification with an average response time below 500 ms. However, QoS 1 is identified as the optimal configuration, balancing delivery reliability and network efficiency for real-time laboratory safety monitoring systems
Co-Authors Afianah, Nuzula Arif, M. Farhan Bayu Rudiyanto Dwianto, Sihmaulana Dwinanda, Angga Febriani, Siti Diah Ayu Hasbiyati, Haning Hidayatullah, Farhan Syarif Indahyati, Emilya Indrasari, Nindayu Muhadi Muhadi, Muhadi Nur Faizin nuruddin, mochammad Putri, Salsabila Liandra Rohman, Ardianto Syaifur Tunjung Genarsih, Tunjung Yuana Susmiati