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Nucleus Journal
Published by Universitas Darul Ulum
ISSN : 29644097     EISSN : 29644100     DOI : https://doi.org/10.32492/nucleus.v4i1
Core Subject : Education, Engineering,
Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Education Electrical & Electronics Engineering Industrial & Manufacturing Engineering
Nucleus Journal: Jurnal Sains dan Teknologi is a peer-reviewed journal published by Universitas Darul Ulum. Nucleus Journal is published twice a year, in May and November. Nucleus Journal is a publication of research results of Students, Lecturers and Practitioners in the field of Science and Technology. Fields of study include; Electrical Engineering, Industrial Engineering, Informatics Engineering, Civil Engineering, Chemical Engineering, Agricultural Sciences, Architecture, Engineering Education, And Other Engineering Fields. e-ISSN: 2964-4100 p-ISSN: 2964-4097
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 47 Documents
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Simulasi Rancang Bangun Aplikasi Rumah Cerdas Berbasis Delphi Yani, Achmat; Ubaidillah, Achmad
Nucleus Journal Vol. 1 No. 1 (2022): May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/nucleus.v1i1.1101

Abstract

Human life is growing rapidly from the residential environment to the industrial environment. One of the technological developments is the control system, so that everything is made easy and practical that can be monitored and controlled from the monitor layer or remotely. One example of the application of a control system in everyday life is a smart home that can regulate electronic equipment and monitor the condition of the house both wired and wirelessly. A smart home system is a combination of several systems between technology and services in a residential environment that serves to increase efficiency , security, and comfort for the occupants of the house. In general, a smart home system consists of several devices such as control, monitoring and automation of several electronic devices that can be accessed via a smartphone or computer layer. OFF can work. For the above experiment, it has worked well, temperature and humidity data can appear periodically and the ON/OFF button has also functioned properly to adjust the LED. If an error occurs in the simulation, it is expected to close the application via the task manager and recheck the program. for further research, if this is implemented in homes, the wiring can be tidied up so it doesn't fall apart. To connect from the application to the microcontroller please use USB TTL as serial communication.
Rancang Bangun Alat Sistem Pembuangan Asap Rokok Pada Smoking Room Menggunakan Sensor MQ 2 Berbasis IoT Bachri, Affan; Ezra Syirojudin, Moh
Nucleus Journal Vol. 1 No. 1 (2022): May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/nucleus.v1i1.1102

Abstract

Indonesia faces a serious threat, the prevalence of male smokers in Indonesia is the highest in the world, it is estimated that more than 97 million Indonesians are exposed to cigarette smoke. Many ways have been done to reduce the negative impact of cigarette smoke. One of them is the provision of a smoking room. In this study, a tool is made which is a prototype of a special smoking room. This room uses a fan in the form of exhaust in and exhaust out. The design made as a simulation of the room is a box made of 2 mm acrylic which has a size of 23x18x18 cm, in the box there are 2 12 V fans, there is an MQ2 sensor at the top to detect cigarette smoke, then at the bottom left is the ionizer and the top is 1 Watt LED lamp in warm white color. Then for the control box using 2 mm acrylic with a size of 11.5x9x9 cm, at the top there is a 16x2 LCD which is used to display the sensor output results, at the bottom of the LCD there is a power button then an indicator light and a toogle switch which is used to turn on the 1 watt LED light in the simulation box.. Introduction
Rancang Bangun Monitoring pH Meter Digital Berbasis Interface Delphi 7 Aji Wibisono, Kunto; Dwi Cahyono, Erik
Nucleus Journal Vol. 1 No. 1 (2022): May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/nucleus.v1i1.1103

Abstract

Pada zaman yang serba modern pemanfaatan kecerdasan buatan semakin masif dan teknologi-teknologi canggih semakin banyak sehingga mempermudah tugas manusia. Lingkungan yang kian lama kian terkikis dan persediaan air bersih tetap menjadi masalah besar yang hingga sekarang masih mencari solusi terbaiknya. Air menjadi pusat penting kehidupan bagi umat manusia, semua hal yang dilakukan manusia pasti melibatkan air. Didalam air atau cairan bahkan larutan pasti memiliki kadar pH yang terkandung didalamnya. Pemanfaatan air yang memiliki pH normal atau netral sangatlah banyak, salah satunya seperti pada wirausaha budidaya perikanan, budidaya sayuran, medis hingga industri yang membutuhkan pengontrolan pH dalam larutan maupun air yang digunakan. Perlu dikembangkan atau diterapkan sebuah teknologi sistem kontrol untuk mempermudah pemantauan pH yang ada pada air atau larutan yang akan digunakan agar menjamin hasil optimal dari usaha maupun produksi. Oleh karena itu pada penelitian kali ini kami membuat sebuah simulasi rancang bangun aplikasi untuk memonitoring nilai pH menggunakan sensor PH-4502C dengan mikrokontroler Arduino Uno dan ditampilkan pada antarmuka(interface) Delphi. Data deteksi densor diproses oleh Arduino Uno kemudian ditampilkan ke serial monitor kemudian data dikirimkan ke delphi melalui komponen Comport pada Delphi dan Compim pada Proteus, jika diimplementasikan pada hardware cukup menggunakan USB Serial To TTL. Pembacaan data pada Delphi dan Arduino Uno bersifat realtime dengan error yang cukup rendah karena pengiriman dan penerimaan data menggunakan tipe data string. Diharap dengan adanya simulasi ini dapat mempermudah pihak tertentu dalam memonitoring data dari sensor pH dan dapat dikembangkan lagi untuk mengoptimalkan potensinya serta dapat dimanfaatkan sebagai referensi pembelajaran.
Pemanfaatan Limbah Pecahan Beton Sebagai Pengganti Sebagian Agregat Kasar Terhadap Kuat Tekan Beton Dengan Mutu F’C 18,68 MPa Dwi Prastiyo, Firmandika; Cahyono, Iwan; Hidayat, Ruslan
Nucleus Journal Vol. 1 No. 1 (2022): May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/nucleus.v1i1.1104

Abstract

Beton merupakan faktor utamadalam bidang kontruksi pada saat ini. Sering kita jumpai material utama dalam pembuatan suatu kontruksi bangunan adalah beton. Jalan, jembatan, gedung bahkan dinding penahan pada bendungan pun juga dari beton.Beton dipilih sebagai bahan bangunan karena mempunyai kekuatan tekan yang tinggi. Secara struktural beton mempunyai tegangan tekan cukup besar, sehingga bermanfaat untuk struktur yang menahan gaya-gaya tekan. Akan tetapi, beton juga memiliki kelemahan yaitu kuat tariknya sangat rendah dan bersifat getas (britle), sehingga untuk menahan gaya tarik tersebut ditambahkan baja tulangan. Penambahan baja tulangan pun belum memberikan hasil yang optimal. Sering kita jumpai pada suatu balok terdapat retak halus yang disebabkan oleh gaya tarik yang bekerja pada balok tersebut.Metode penelitian yang digunakan adalah kajian eksperimental di laboratorium. Pada penelitian ini dilakukan 5 (lima) variasi persentase penambahan limbah pecahan beton, yaitu 0% (kontrol); 10%; 20%; 30%; 40% dan 50% dari berat semen awal dengan jumlah benda uji setiap variasi persentase berjumlah 5. Pengujian kuat tekan beton dilakukan ketika beton mencapai umur 28 hari.
Analisis Efisiensi Daya Pembangkit Listrik Tenaga Hybird Panel Surya Dan Mikro Hidro Di Taman Airlangga Desa Pataan Kecamatan Sambeng Kabupaten Lamongan Nisa, Karimatun; Hafidz Alfanani, Rafli
Nucleus Journal Vol. 1 No. 1 (2022): May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Abstract- Renewable energy may be one of the breakthroughs in terms of power plant innovation that utilizes natural resources including wind, water, sun and so on. The combined (Hybird) PLTMH (Micro-Hydro Power Plant) and Solar Panels as alternative energy are expected to have more benefits and can overcome the lack of knowledge of the village community about Mikho Hydro Power Plants, Solar Panels whose sources of electrical energy are natural, namely water and sun. In this study, the power efficiency calculations will be carried out on solar power plants and micro hydro power plants installed in Airlangga Park, Pataan Village, Sambeng District, Lamongan Regency.
Pengaruh Pertumbuhan Perniagaan Terhadap Kinerja Ruas Jalan Studi Kasus Jalan Kusuma Bangsa Kabupaten Jombang Cahyono, Iwan; Zainul Arifin, Muhammad; Retno Kinasih, Annisa
Nucleus Journal Vol. 1 No. 1 (2022): May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/nucleus.v1i1.40

Abstract

Aktivitas perniagaan di ruas jalan Kusuma Bangsa dapat menghasilkan volume lalu lintas yang meningkat dan berpengaruh terhadap tingkat pelayanan jalan. Selain itu banyaknya pedagang kaki lima yang mengambil lahan untuk menjajakan dagangannya menjadikan lalu lintas semakin melambat pada saat jam tertentu.Hal ini merupakan suatu masalah yang membutuhkan sebuah penelitian mengenai pengaruh pertumbuhan aktivitas perniagaan terhadap kinerja ruas jalan.Penelitian dilakukan dengan pengumpulan data primer seperti data pedagang sepanjang Jalan Kusuma Bangsa tahun 2022 , geometrik jalan , Volume lalu lintas dan hambatan samping jalan.Sedangkan data sekunder meliputi data jumlah pedagang 4 tahun sebelumnya ,data jumlah penduduk dan PDRB Kabupaten Jombang. Data tersebut digunakan untuk menganalisa kinerja jalan dengan metode Pedoman Kapasitas Jalan Indonesia (PKJI) 2014.Hasil analisis data yang diperoleh dari penelitian ini adalah terjadi kenaikan jumlah pedagang kaki lima pada tahun 2020 sebesar 222,5 % dari angka 80 pada tahun 2018 menjadi 178 . Saat ini jalan Kusuma Bangsa memiliki Kapasitas jalan (C) tiap segmennya dengan nilai 2269,50 skr/jam , nilai derajat kejenuhannya (Dj) sebesar 0,31 dan Kecepatan tempuh kendaraan (VT) 32km/jam.Sedangkan untuk analisis lima tahun mendatang dengan angka pertumbuhan 4% Jalan Kusuma Bangsa memiliki hambatan samping kategori tinggi yaitu 560,9 sehingga derajat kejenuhan (Dj) sebesar 0,44.
Optimasi Thermal Oil Heater Menggunakan PSO Sebagai Tunning PID Controller Indra Gunawan, Enggal; Ali, Machrus; Nurohmah, Hidayatul
Nucleus Journal Vol. 1 No. 2 (2022): November
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/nucleus.v1i2.43

Abstract

Optimasi Optimization of the auto temperature control system on the thermal oil heater system using PSO as a PID Controller tunning. Making a PSO-based Simulink tuning PID controller for thermal oil heater temperature in the 2013a Matlab program. Thermal oil heater simulation using PSO as a PID Controller tunning is the best result among other design methods. With kp = 2,057, ki = 1.337, kd = 0.148, we get an overshot value of = 0.002, undershot = 0, at a settling time of 4.521 seconds. This shows that the PID-PSO controller is the best method with the smallest overshot at 0.002, the smallest undershot at 0, and the fastest settling time at 4.521 seconds.
Analisis dan Penanggulangan Network Speed Terhadap Kenyamanan Mahasiswa di Universitas Muhammadiyah Surabaya Putri Affandi Mussa, Anitya; Haryanti, Tining
Nucleus Journal Vol. 1 No. 2 (2022): November
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/nucleus.v1i2.46

Abstract

The problem with University of Muhammadiyah Surabaya students in accessing the Internet is that the network strength is slow or unstable. This study aims to analyze this problem by collecting responses and expectations from students regarding network speed at the University of Muhammadiyah Surabaya. This is not only done to find out students' responses and expectations regarding internet stability at universities, but also to make it easier for campuses to provide solutions to this problem, one of which is to make this research a basis for proposing additional router installation at various dense points of internet network users. in universities, with the hope that the problem of slow Internet networks at the University of Muhammadiyah Surabaya can be overcome. The solution must meet specifications in order to run effectively and efficiently. The Black Box method is an intuitive/imagining thinking method in which the design goals are not determined with certainty. In this study, the examiner will test the network speed using speedtest.net in order to get a sample of the internet network and provide an overview of the router installation that will be installed at the University of Muhammadiyah Surabaya
Rancang Bangun Sistem Kontrol Starter Berbasis IoT (Internet of Things) Paranita Kartika Riyanti, Kurnia; Hariadi, Balok
Nucleus Journal Vol. 1 No. 2 (2022): November
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/nucleus.v1i2.47

Abstract

Today's automotive industry is experiencing rapid development triggering many new innovations involving Internet of Things (IoT) technology. By utilizing IoT (Internet Of Things) in the vehicle starter system, it will certainly save time, especially when heating the vehicle before use. We can do an internet-based starter for 5 minutes before using our vehicle so it is very beneficial for people who have high mobility. The automatic starter system can run according to its function by utilizing the wifi network which is controlled using the Blynk application with a simple electrical circuit using the appropriate microcontroller. This system works by pressing a button on social media, but our response will be forwarded in the form of an order that will be received and then instructs the actuator to start the vehicle. Over time, the system can get better and simpler for the future, such as turning on the vehicle's air conditioner automatically or for using other systems.
Desain Antena Mikrostrip Bintang 30 Untuk Access Point Perangkat IoT Di ATP Malang Fauzan Edy Purnomo, Muhammad; Budi Purnomowati, Endah; Kusuma Dewi, Ajeng
Nucleus Journal Vol. 1 No. 2 (2022): November
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/nucleus.v1i2.48

Abstract

The development of the internet is very fast with communicating freely. One of the technologies that take advantage of the internet is the Internet of Things which is the development of network communications from connected objects using the internet to exchange data into information. IoT requires wireless communication. The access point is part of wireless communication Devices that can be used as support for access points are antennas. One type of antenna is the microstrip antenna which is an antenna that has small dimensions and is flexible. Agro Techno Park (ATP) is the development of agricultural technology. Jatikerto Malang garden ATP has utilized IoT technology to help cultivate premium melon commodities, but the network infrastructure still needs to be improved. The 30-star microstrip antenna was simulated using CST Studio Suite 2019, considering several VSWR parameters spanning < 2, Gain > 3, Return Loss < -10, Efficiency > 80, and having linear polarization. Antenna implementation testing is carried out by considering the speed, range, and transmission power parameters of the antenna that has been fabricated. The test results show that the 30-star microstrip antenna has a VSWR value of 1.65, Return Loss -12 dB, Gain 4, Group Delay -2.5, Axial Ratio 40, Directivity 4, 90% efficiency, and linear polarization. The result of implementing the antenna on the transmission speed increased by 24.14% and has a range reaching a maximum distance of 72.41 meters exceeding the area of the ATP Jatikerto Malang melon garden with low power.

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