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All Journal AUSTENIT Jurnal Sains dan Teknologi TELKOMNIKA (Telecommunication Computing Electronics and Control) Jurnal IPTEK INVOTEK: Jurnal Inovasi Vokasional dan Teknologi JURNAL INTEGRASI Jurnal Elementer (Elektro dan Mesin Terapan) Dinamisia: Jurnal Pengabdian Kepada Masyarakat Jurnal Teknologi Pertanian Indonesian Journal of electronics, electromedical engineering, and medical informatics Jurnal Elkolind : Jurnal Elektronika dan Otomasi Industri JTEIN: Jurnal Teknik Elektro Indonesia ARMATUR : Artikel Teknik Mesin dan Manufaktur Indonesian Journal of Electronics, Electromedical Engineering, and Medical Informatics
Made Rahmawaty, Made
Politeknik Caltex Riau
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation Other

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Biodiesel Washing Machine From Esterification Process Equipped With A Cooling System Rahmawaty, Made; Hendriko, Hendriko; Fauzan, Muhammad Hilmy; Edilla, Edilla
JST (Jurnal Sains dan Teknologi) Vol. 12 No. 1 (2023): April
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jstundiksha.v12i1.52068

Abstract

Proses pengolahan biodiesel terbagi dalam empat tahap yaitu proses esterifikasi, pendingin, pencucian dan filtrasi. Proses pencucian biodiesel hasil dari proses esterifikasi membutuhkan waktu yang panjang karena harus melalui proses pengendapan. Oleh karena itu maka pada penelitian ini dikembangkan mesin pencucian biodiesel yang dilengkapi dengan sistem pendingin. Sistem pendingin bertujuan agar proses pengendapan bisa berlangsung lebih cepat. Sistem pendingin menggunakan modul termoelektrik yang terpasang pada pipa penyalur dari tangki esterifikasi menuju tangki pencuci. Mesin ini juga dilengkapi dengan sistem kendali dan penggerak katup sehingga proses dapat berlangsung secara otomatis. Rancangan mesin pencuci biodiesel telah berhasil dikembangkan dan telah melalui serangkaian pengujian. Pengujian dilakukan pada proses pencucian untuk memisahkan fasa gliserol dan fasa biodiesel mentah. Pencucian juga dilakukan untuk memisahkan air kotor dan biodiesel. Hasil pengujian menunjukan bahwa sensor suhu dan sistem pendingin berfungsi dengan baik. Sistem pendingin yang dikembangkan terbukti mampu mempercepat proses pencucian.  
Modelling, Simulation, and Stabilization of a Two-Wheeled Inverted Pendulum Robot Using Hybrid Fuzzy Control Rahmawaty, Made
Indonesian Journal of Electronics, Electromedical Engineering, and Medical Informatics Vol. 3 No. 3 (2021): August
Publisher : Jurusan Teknik Elektromedik, Politeknik Kesehatan Kemenkes Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35882/ijeeemi.v3i3.246

Abstract

Two wheels inverted pendulum robot has the same characteristics as inverted pendulum, which are unstable and nonlinear. Nonlinear systems can often be linearized by approximating them by a linear system obtained by expanding the nonlinear solution in a series, and then linear techniques can be used. Fuzzy logic control is the famous nonlinear controller that has been used by researchers to analyze the performance of a system due to the easiness to understand the nature of the controller. This research discusses about two wheels inverted pendulum robot design using hybrid fuzzy control. There are two types of fuzzy control, namely Fuzzy Balanced Standing Control (FBSC) to maintain stability and Fuzzy Traveling and Position Control (FTPC) to maintain position. Based on Takagi-Sugeno (T-S) fuzzy model on two wheels inverted pendulum robot, FBSC control used Parallel Distributed Compensation (PDC) with pole placement technic. Based on two wheels inverted pendulum robot movement characteristics, FTPC was designed using Mamdani Fuzzy architecture. FTPC control is used to help FBSC to maintain robot stability and to adjust to the desired position. Simulation result shows that controller for two wheels inverted pendulum robot can stabilize pendulum angle in 0 radian and close to the desired position.
Rancang Bangun Mesin Penyerut Bahan Baku Anyaman Rotan Dengan Mekanisme Double Roll Edilla, Edilla; Farhan, Muhammad; Rahmawaty, Made; Jaenudin, Jajang; Ma'a, Mustaza
JURNAL INTEGRASI Vol. 16 No. 2 (2024): Jurnal Integrasi - Oktober 2024
Publisher : Pusat Penelitian dan Pengabdian Masyarakat Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/ji.v16i2.8224

Abstract

Rattan Is one of the plants that grow in Indonesia, One of the areas that includes many rattan producers is Riau. Rattan is a plant that is one of the raw materials in the handicraft and furniture industry, therefore, to take advantage of the many rattan plants can be used as a furniture product such as tables, chairs and other handicrafts. The machine is designed using a driving force using a 1 phase electric motor using a double roll pulling system made of rubber and using a blade with a diameter of 5 mm, and this machine also has a safety on the control system so that the AC motor is not easily burned when the current is excessive. This machine can produce 76 rattan sticks per hour with a size 5 mm diameter and 300 cm lenght so that it can increase rattan production more effectively and efficiently. This rattan shaving machine is capable of shaving 300 cm of raw rattan with a diameter of 10-13 mm and the consistency of the thickness produced is 5 mm in diameter with an error rate of 0.22%.
Riau Youth Leader Club: Empowering the Youth of Riau to Implement Community Empowerment Programs: Riau Youth Leader Club: Pemberdayaan Generasi Muda Riau dalam Mengimplementasikan Program Pemberdayaan Masyarakat Putri Madona; M. Ihsan Zul; Hamid Azwar; Made Rahmawaty; Satria Perdana A; Tobi Arfan; Memen Akbar; Yuliska; Fifitri Ali; M. Suhairi
Dinamisia : Jurnal Pengabdian Kepada Masyarakat Vol. 8 No. 3 (2024): Dinamisia: Jurnal Pengabdian Kepada Masyarakat
Publisher : Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/dinamisia.v8i3.19732

Abstract

The data from Badan Pusat Statistik Provinsi Riau in 2020 indicates that Riau Province is poised to benefit from a demographic bonus, with its population predominantly composed of the younger, productive generation. The abundance of young individuals is anticipated to serve as a driving force in enhancing the quality of life for the surrounding communities. The Riau Youth Leader Club (RiyoLC) is an empowerment program aimed at organizing and implementing community empowerment initiatives within Riau. RiyoLC is envisioned as a platform for Riau's youth to exchange ideas, information, and best practices, empowering them to address local challenges and contribute to the advancement of Riau Province. PT Pertamina Hulu Rokan (PT. PHR) has collaborated with Politeknik Caltex Riau to conduct various capacity-building activities, program development support, and implementation assistance for 34 participants from different regencies and cities within PT. PHR WK Rokan's operational area. The program covered topics such as leadership, problem-solving, critical thinking, project management, communication techniques, and presentation skills. As a result, seven community program proposals have been generated, with three of them receiving implementation support from PT PHR
Rancang Bangun Mesin Pengiris Tempe Otomatis Dengan Pengaturan Ketebalan Hendriko, Hendriko; Hura, Menti Diana; Jaenudin, Jajang; Rahmawaty, Made; Khamdi, Nur
AUSTENIT Vol. 14 No. 1 (2022): AUSTENIT: April 2022
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/austenit.v14i1.4521

Abstract

Tempe is a traditional Indonesian food that can be processed into various derivative food products, including chips and mendoan. Many MSMEs have developed tempe chip products, but the tempe slicing process is still done manually. The manual process has the disadvantage of taking a long time, requiring operators, and inconsistent results. In this study, an automatic tempe slicing machine was developed. The developed machine uses a control system so that it can adjust the thickness of the slices by manipulating the rotational speed of the driving motor. The mechanical design of the tempe pushing system and hopper causes the process to take place continuously. Tests to determine the performance of the machine in producing tempe slices, and to determine the capacity of the machine have been carried out. The results show that the machine can slice tempe well starting from a thickness of 2 mm. The test results also show that the deviation of the thickness of the slices is not significant, which is between -2.2% - 2.5%. Machine capacity depends on the thickness of the slices. For 3 mm slices, the machine capacity is 22 29 kg/hour. Meanwhile, the machine capacity for slice thickness of 5 mm and 7 mm is 31.85 kg/hour and 38.96 kg/hour, subsequently.
DESIGN OF AUTOMATIC BREAD CUTTING MACHINE Rahmawaty, Made; Yolanda, Rieke; Hendriko, Hendriko
AUSTENIT Vol. 15 No. 2 (2023): AUSTENIT: October 2023
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/austenit.v15i2.6766

Abstract

Before being marketed, white bread will usually be cut first. Small to medium scale bread entrepreneurs still use conventional tools in the form of standard bread knives, whose use is still less effective. This bread cutting machine is designed for small to medium sized bakers to make their work easier and more efficient. This machine is designed using a vertical blade movement method with an AC motor as the driving force and is controlled using a sequential circuit. The initial process of this machine is to press the pushbutton, then place the bread on the bread tray which has a proximity sensor as a bread detector and the cutting process is carried out, when the sensor does not detect the presence of bread the machine will stop working automatically. Electronic system control is carried out sequentially which is more efficient in its application. From the test results obtained that the thickness of the bread is 12 mm. The main driver of the cutting is 1 phase and uses a dimer to adjust the rotational speed of the 1 phase motor. The cutting process with a maximum motor speed can cut 1 loaf for 38 seconds.
RANCANG BANGUN SISTEM PENDINGIN DAN PENCUCI PADA MESIN PENGOLAH BIODIESEL DENGAN BAHAN BAKU MINYAK JELANTAH Rahmawaty, Made; Fauzan, Muhammad Hilmy; Hendriko, Hendriko
AUSTENIT Vol. 16 No. 1 (2024): AUSTENIT: April 2024
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/austenit.v16i1.6774

Abstract

There are three stages for processing biodiesel-based used cooking oil: the esterification process, cooling and purifying FAME, and filtration of crude biodiesel. The time required for purifying FAME is about two until six hours because it has to follow the sedimentation process several times. Therefore, this research developed a biodiesel purification machine equipped with a cooling system. The cooling system aims to make the sedimentation process faster. The cooling system uses a thermoelectric module attached to a pipeline from the esterification tank to a purification tank. This machine is also equipped with a control system and valve driven by motor to perform the process automatically. The design of the biodiesel purification machine has been successfully developed and has followed a series of tests. The test results on the accuracy of flowmeters show that they work correctly. The application of a cooling system is proven to reduce the sedimentation process time to 20 minutes, which in turn shortens the time for the biodiesel purification process, which in turn shortens the time of the biodiesel purification process. In addition, the control system allows the machine to operate automatically, thereby reducing the operator's need significantly.
DEVELOPMENT OF UNDERWATER ROV (REMOTELY OPERATED VEHICLE) SYSTEMS AND MECHANISM Tianur, Tianur; Suswanto, Bagas Prayoga Suswanto; Hendriko, Hendriko; Rahmawaty, Made
AUSTENIT Vol. 15 No. 2 (2023): AUSTENIT: October 2023
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/austenit.v15i2.6957

Abstract

  Remotely Operated Vehicle or abbreviated as ROV is an underwater explorer robot where the robot is controlled remotely by an operator using a remote control system.  Water ecosystems certainly have various kinds of hazards that cause harm to divers, such as wild animals, waters contaminated with toxic waste, limited oxygen, and many other risks. Based on these problems, research was carried out, namely the Design and Development of Underwater ROV (Remotely Operated Vehicle) Mechanisms and Systems where the tool built is an underwater robot that uses 8 DC motors to be able to perform 12 types of movements under water. The final result obtained by the ROV is that it is able to perform all of these movements except for the right somersault and left somersault. The speed and direction of rotation of the motor is controlled by a device, namely the BTS7960 motor driver. This robot aims to measure pressure and temperature and capture images underwater to a depth of 4m. Pressure and temperature measurements were made using a BMP180 pressure sensor and a DS18B20 temperature sensor where the measurement results will be displayed on a 16x2 LCD. Based on the test results, the pressure sensor has an error rate of 3.6% and a temperature sensor of 0.34%. Images and videos are captured by a device, namely a CCTV camera where the device is connected to a laptop device as a monitor. The test produced results in the form of images and videos that were quite clear.
Implementasi LoRa sebagai Media Komunikasi Data Tinggi Air pada Lahan Gambut Harpawi, Noptin; Triyani, Yuli; Rahmawaty, Made; Rizki Saputra, Muhammad
Jurnal ELEMENTER (Elektro dan Mesin Terapan) Vol 11 No 2 (2025): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/elementer.v11i2.6654

Abstract

Peatland Forest Fires pose a serious threat, particularly in Riau, which has 3.89 million hectares of peatland and is highly vulnerable during the dry season. These fires are difficult to control because the flames can spread beneath the dry surface of the soil. One preventive measure is real-time monitoring of the water table to maintain soil moisture. Long Range (LoRa) technology, with its long-range communication and low power consumption, is more effective than cellular-based IoT systems, which are limited in remote areas. This study developed a seven-hop LoRa multi-hop system to transmit data from remote areas to a cellular network via river routes without the need for expensive infrastructure. The solution is more efficient, offering a cost reduction of up to 96%-99% compared to other methods. The system will be applied at PT Rimba Mandau Lestari, Siak Regency, Riau, to replace the less effective manual monitoring approach. Testing results showed that the use of a Low Noise Amplifier (LNA) improved signal quality, achieving an average RSSI of -97.6 dBm and a Delivery Success Rate of 100%, with a delay of up to 12.36 seconds.
Co-Authors Alfiandis Lafebri Ananda Budi Agusti Arifvhia, Arifvhia Bagaskara, Prayoga Dimas Edilla Edilla edilla, edilla Elfrida Ratnawati Fauzan, Muhammad Hilmy Fifitri Ali Hamid Azwar Harpawi, Noptin Hendriko hendriko hendriko Hendriko Hendriko Hendriko, Hendriko Hura, Menti Diana Igi Ardiyanto Jajang Jaenudin Jajang Jaenudin Khamdi, Nur Kurniawan, Wanda Lio Prisko Ketaren Lukman, Ade M. Bayu Anggoro Nurcahyo M. Ihsan Zul M. Suhairi Ma'a, Mustaza memen akbar Muhammad Diono Muhammad Farhan Muhammad Ihsan Mustaza Maa Nur Khamdi pernandito, anderson _ Pramestya, Anis Putra, Dicky Herlangga Putri Madona Rizki Saputra, Muhammad Rudi Fesri Satria Perdana A Suswanto, Bagas Prayoga Suswanto Thalia Smart Aritonang Tianur Tianur Tianur Tianur Tianur, Tianur Tobi Arfan Wiwin Styorini Yolanda, Rieke Yuli Triyani Yuli Triyani, Yuli Yuliska