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All Journal IJCCS (Indonesian Journal of Computing and Cybernetics Systems) Tekno : Jurnal Teknologi Elektro dan Kejuruan ILMU KELAUTAN: Indonesian Journal of Marine Sciences Jurnal Teknologi Elektro PROtek : Jurnal Ilmiah Teknik Elektro Journal of Applied Geospatial Information Techne : Jurnal Ilmiah Elektroteknika Jurnal Sustainable: Jurnal Hasil Penelitian dan Industri Terapan JAST : Jurnal Aplikasi Sains dan Teknologi Jurnal Segara Logista: Jurnal Ilmiah Pengabdian Kepada Masyarakat TELKA - Telekomunikasi, Elektronika, Komputasi dan Kontrol Journal of Applied Electrical Engineering Electron: Jurnal Ilmiah Teknik Elektro Jurnal Pengabdian Masyarakat Nusantara
Tonny Suhendra
Universitas Maritim Raja Ali Haji
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Physics Other

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Simulasi Kendali Pergerakan Mobile Robot Menggunakan Algoritma A-star dalam Menentukan Jarak Terpendek Suhendra, Tonny; Nugraha, Sapta; Yunianto, Anton Hexso; Uperiati, Alena
Jurnal Sustainable: Jurnal Hasil Penelitian dan Industri Terapan Vol 6 No 1 (2017): Jurnal Sustainable: Jurnal Hasil Penelitian dan Industri Terapan
Publisher : Fakultas Teknik Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1149.434 KB) | DOI: 10.31629/sustainable.v6i1.420

Abstract

Planning the path is one of the most important things in the world of robotics, especially autonomous robots, to be able to move the autonomous robot requires a path that will guide the movement, or steps to be taken next, can also be spelled out as the determination of the point of coordinates to be addressed so that the robot can move to destination by taking the nearest lane and guiding the robot not to take unnecessary steps. This research uses adaptive A-star algorithm as the shortest path finding algorithm, the algorithm used is the development of A-star algorithm so that it can perform path search gradually and done repeatedly to determine every step that must be taken robot in the future and this algorithm belongs to a simple algorithm in a family heuristic algorithm. The test environment is built using Netlogo 5.3.1 Application, an agent-based application developed by Uri Wilensky at the center for Connected Learning and Compute-based Modeling at Northwestern University. The results of the tests have shown that the adaptive A-star algorithm can perform the optimal shortest path search and not trapped in the optimal local conditions with a standard deviation of 0.422%.
Perhitungan Koefisien Drag dan Kooefisien Lift pada Lambung Kapal Katamaran Simetris (Symmetrical) dan Tidak Simetris (Asymmetrical) Yunianto, Anton Hexso; Suhendra, Tonny
Jurnal Sustainable: Jurnal Hasil Penelitian dan Industri Terapan Vol 6 No 2 (2017): Jurnal Sustainable: Jurnal Hasil Penelitian dan Industri Terapan
Publisher : Fakultas Teknik Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1151.735 KB) | DOI: 10.31629/sustainable.v6i2.426

Abstract

Catamarans (double hull) as the river and sea transport modes that are rapidly being developed today and will likely continue to grow in the future, especially in Europe, America, and East Asia. One thing that makes popular catamaran and successfully applied in the mode of transportation because of the availability of a wide deck area, more comfortable level of stability and security. Catamarans tend to have lower water draf than the monohull vessel with the same displacement, so that it can be operated in shallow waters. Then the hull shape as a slender hull can reduce the incidence of wave wash than a single hull ship (monohull). An object moving through a fluid will experience the net force of the fluid in the body. For gastric symmetry, this force will occur in the free flow direction of a drag (D). If the stomach is not symmetrical, there will also be a normal force against the free flow of an elevator (L). Numerical modeling shows that fluid flow is laminar, critical, and turbulent. This is indicated by the direction of the vorticity field and the fluid type mass distribution, the greater the flow rate the flow properties will become increasingly random or turbulent.
Kendali Kecepatan Motor DC dengan Metode Pulse Width Modulation menggunakan N-channel Mosfet Suhendra, Tonny; Uperiati, Alena; Purnamasari, Dwi Amalia; Yunianto, Anton Hekso
Jurnal Sustainable: Jurnal Hasil Penelitian dan Industri Terapan Vol 7 No 2 (2018): Jurnal Sustainable: Jurnal Hasil Penelitian dan Industri Terapan
Publisher : Fakultas Teknik Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (471.094 KB) | DOI: 10.31629/sustainable.v7i2.701

Abstract

The DC motor is one component of robot, the main function of a DC motor is as a driver, whether its a legged robot or not, as used in a mobile robot. DC motor control is necessary to be one thing that must be considered, because if the motor does not run properly, it will renew the purpose of the motor when it is created. The ability to control a DC motor is needed when building a robot. Many things can affect a person’s ability to design DC motor controller, one of which is the development of science, especially computer science, the use of algorithms to achieve the effectiveness of DC motor movements is very necessary today, so that the robot can move well and according to what is desired. The algorithm requires some information from the system that is built either as input or output so that the algorithm can perform the control process properly. in this study the motor speed controller circuit has been designed using transistor IR630 (n-channel mosfet), in this study the motor speed controller circuit has been designed using transistor IR630 (n-channel mosfet), the potentiometer is used as an analog input on the microcontroller and then converted to a PWM signal which will be used as input to the controller circuit to drive a DC motor. In the tests that have been carried out, the results obtained that the motor can be controlled properly, the use of resistors with a certain amount (220 ohms) can increase the resulting motor rotation and at what voltage the motor starts to spin at a voltage of 0.436 volts, and continues to increase and the maximum voltage recorded at 6.40 Volts.
Analisis Perbandingan Algoritma Perencanaan Jalur Robot Bergerak Pada Lingkungan Dinamis Tonny Suhendra; Tri Kuntoro Priyambodo
IJCCS (Indonesian Journal of Computing and Cybernetics Systems) Vol 11, No 1 (2017): January
Publisher : IndoCEISS in colaboration with Universitas Gadjah Mada, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijccs.15743

Abstract

Development of technology and complexity of an environment (dynamic environtment), the use of algorithms in path planning becomes an important thing to do, problem to be solved by the path planning is safe patch (collision-free), second is the distance traveled, ie, the path length is generated from the robot start position to the current target position and the thirdtravel time, ie, the timerequired by the robot to reached its destination.this research uses ACO algorithm and A-star Algorithm to determine the influence of obstacles (simple environment) and also differences in the pattern of the target motion (linier and sinusoidal)on the ability of the algorithm in pathplanning for finding the shortest path. The test results show that for a simple environtment where the state of target and obstacles still static,the resukt that A-star algorithm is betterthan ACO algorithm both in terms of travel time and travel distance. Testing with no obstacles, seen from the distance travelled differences obtained of 0,57%, whereas for testing with obstacles difference of 9%. Testing in a complex environtment where the targets and obstacles which movesdinamically with a certain pattern, from the three environmental conditions that has been tested, ACO algorithm is better than A-star algorithm where the ACO algorithm can find a path with optimal distance or the sortest distance.
Implementasi Sistem Monitoring Kecepatan Angin, Suhu, dan Kelembaban Berbasis Web di Daerah Kepulauan Rian Anjasmara; Tonny Suhendra; Anton Hekso Yunianto
Journal of Applied Electrical Engineering Vol 3 No 2 (2019): JAEE, December2019
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1050.797 KB) | DOI: 10.30871/jaee.v3i2.1485

Abstract

Pengukuran suhu, kelembaban, dan kecepatan angin sangat penting untuk dilakukan di pulau sebagai informasi cuaca kepada masyarakat. Sistem monitoring ditambahkan perangkat pengiriman data menggunakan kartu GSM agar dapat ditampilkan datanya ke dalam dashboard platform online. Penelitian ini bertujuan melakukan pengembangan sistem monitoring kecepatan angin, suhu, dan kelembaban berbasis web yang dapat diterapkan di daerah kepulauan, pemantauan data secara realtime yang terkirim ke platform, dan pengukuran konsumsi daya pada perangkat. Metode penelitian ini dilaksanakan dengan melakukan studi literatur, observasi, perancangan, dan pengujian sistem. Pada penelitian ini GSM Shield SIM900 digunakan sebagai perangkat pengiriman data, DHT22 sebagai perangkat sensor suhu dan kelembaban, perangkat anemometer sebagai pembaca kecepatan angin, platform Thingspeak sebagai penampil data, dan micro SD Card sebagai penyimpanan data cadangan. Hasil penelitian didapatkan bahwa pengembangan sistem monitoring suhu, kelembaban, dan kecepatan angin telah berhasil dilakukan dengan pengiriman data menggunaakan GSM yang ditampilkan ke dalam platform Thingspeak. Data yang tidak terkirim ke server diduga karena kualitas sinyal GSM pada saat pengiriman data tidak cukup kuat atau karena adanya timeout. Sistem monitoring ini menghabiskan daya sebesar 0,977 Wh.
PELATIHAN EDUTECH FOR CHILDREN UNTUK MENINGKATKAN KEMAMPUAN TEKNIS DAN MELATIH POLA PIKIR INOVATIF SISWA Deny Nusyirwan; Eko Prayetno; Henry Ali Singer; Sapta Nugraha; Anton Hekso Yunianto; Tonny Suhendra; Afdal Hadi; Allysia Shafira; Desi Oktavia; Lilis Agustina Sinaga
LOGISTA - Jurnal Ilmiah Pengabdian kepada Masyarakat Vol 3 No 2 (2019)
Publisher : Department of Agricultural Product Technology, Faculty of Agricultural Technology, Universitas Andalas Kampus Limau Manis - Padang, Sumatera Barat Indonesia-25163

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1547.91 KB) | DOI: 10.25077/logista.3.2.187-198.2019

Abstract

Pendidikan pada usia dini menjadi sebuah fenomena menarik pada saat ini di Indonesia,dapat dilihat dari menjamurnya taman pendidikan untuk anak yang belum bisa masuk sekolah. Provinsi Kepulauan Riau (Kepri) yang lokasinya berbatasan langsung dengan Gerbang Internasional Singapura dan Malaysia secara tidak langsung diminta untuk mampu berkompetisi secara secara softskill dan hardskill. Untuk menghadapi kesempatan tersebut dan menciptakan generasi yang mampu bersaing secara global, jurusan Teknik Elektro Universitas Maritim Raja Ali Haji (UMRAH) melalui tridharma perguruan tinggi, bekerjasama dengan bagian Corporate Social Responsibility (CSR) Banyan Tree Hotel and Resorts Bintan, menghasilkan sebuah program bernama Edutech for Children (EfC). EfC adalah program untuk meningkatkan kemampuan siswa berpikir secara kritis dan analisis pada usia dini melalui pengenalan proses perancangan rekayasa dan pelatihan pola pikir insinyur untuk siswa di sekolah. Dimulai dari proses etnografi, brainstorming, menentukan permasalahan dan solusi utama dan merancang menggunakan perangkat lunak 3 dimensi Autodesk inventor. Sebuah inovasi yang merupakan luaran dari proses desain rekayasa adalah merupakan hasil dari proses rancangan yang berbasiskan kepada pengguna dengan menggunakan pendekatan etnografi, oleh sebab itu melalui pelatihan yang diberikan siswa akan diajak untuk mampu memahami bahwa sebuah inovasi tersebut membutuhkan integrasi kemampuan berpikir secara luas terhadap permasalahan yang ada di masyarakat. Dengan kegiatan ini didapatkan hasil memuaskan yang dibuktikan dengan meningkatnya kemampuan teknis dan munculnya pola pikir inovatif sehingga siswa mampu untuk menemukan dan merancang teknologi yang sesuai untuk kebutuhan setempat. Kata kunci: Berpikir, Kompetisi, Kemampuan, Siswa, Teknologi ABSTRACT Education at an early age is an interesting phenomenon at this time in Indonesia, can be seen from the mushrooming of educational parks for children who have not been able to go to school. Riau Islands Province (Riau Islands) whose location is directly adjacent to the International Gates of Singapore and Malaysia is indirectly requested to be able to compete in soft skills and hard skills. To face this opportunity and create a generation that is able to compete globally, the Department of Electrical Engineering, Raja Ali Haji Maritime University (UMRAH) through the three-tridharma of higher education, in collaboration with the Corporate Social Responsibility (CSR) section of the Banyan Tree Hotel and Resorts Bintan, produced a program called Edutech for Children (EfC). EfC is a program to improve students 'ability to think critically and analyze at an early age through the introduction of the engineering design process and training of engineers' mindsets for students in schools. Starting from the ethnographic process, brainstorming, determining the main problems and solutions and designing using Autodesk Inventor's 3-dimensional software. An innovation which is an outcome of the engineering design process is the result of a design process based on the user using an ethnographic approach, therefore through training provided students will be invited to be able to understand that an innovation requires the integration of broad thinking skills towards problems exist in the community. With this activity, satisfying results are evidenced by increasing technical ability and the emergence of innovative mindsets so that students are able to find and design technologies that are suitable for local needs. Keywords: Thinking, Competition, Performance, Student, Technology
Effect of Pulse Width Modulation on Proportional, Integral, and Derivative Coefficient Characteristics Tonny Suhendra
PROtek : Jurnal Ilmiah Teknik Elektro Vol 10, No 2 (2023): PROtek : Jurnal Ilmiah Teknik Elektro
Publisher : Program Studi Teknik Elektro Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/protk.v10i2.5033

Abstract

Based on the value of feedback obtained from the sensor (LDR), the PID algorithm uses the error value obtained from the comparison between the sensor value and the setpoint value to perform calculations so that the PWM generator will use the output value to produce a row of pulses that will be converted to a voltage (signal) with a range of  0 to 255 (0 volt to 5 volt)  and is used to turn on the LED lamp according to the desired light level. The output characteristics generated by the PID control for each coefficient can be used as a benchmark to determine the correct coefficient value for Propotional coefficient, Integral coefficient and Derivative coefficient  as a whole. From the test results, it can be seen that the coefficient value adjustment can be taken based on the size of the difference or error contained in the system. If the difference in error is slight, the use of large coefficient values, especially in derivative coefficients. It helps the system achieve a stable condition and reduces overshoot. Still, if the error value is significant, then applying a considerable efficiency value will make the system achieve stable condition stable becomes a little tricky because it is possible to overshoot the PID output.
Evaluating the Accuracy of BMP280 and BME280 Sensors for Sea Level in a Coastal Environment: A Field Study at Tanjung Siambang Pier Hollanda Arief Kusuma; Yuliani Yuliani; Tonny Suhendra; Dhanushka Devendra; Dwi Eny Djoko Setyono
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 28, No 2 (2023): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ik.ijms.28.2.189-202

Abstract

Monitoring sea level is important for assessing climate change impacts, coastal management, and predicting hazards. Accurate measurements of air pressure is essential for precise sea level monitoring through pressure-to-altitude conversion. Additionally, understanding tidal patterns and their dominant components is crucial for comprehensive sea level analysis. This research aimed to investigate the accuracy of BMP280 and BME280 sensors in measuring air pressure and altitude to monitor sea level. Comparing air pressure data from the BMP280, BME280, and BMKG sensors showed that the BMP280 sensor had a higher accuracy than the BME280 sensor. Linear regression was used to decrease the error value. After calibration, BME280 and BMP280 did not differ with the BMKG sensor using one-way ANOVA and Tukey test. A field test was also conducted to assess the ability of the BMP280 sensor to measure sea level height from air pressure conversion. It was found that the BMP280 sensor could not provide an accurate sea level height value with an R² value of 0.00931. A Fourier analysis was used to investigate the tidal pattern in Tanjung Siambang using six constituents, symbols S1, O2, M2, S2, S4, and S6, with periods of 24, 12.91, 12.42, 12, 6, and 4 h. It revealed that the dominant components were M2 and S2, caused by the moon's and the earth's gravitational pull. This study highlights the limitations of the BMP280 sensor in providing accurate sea level height measurements and the importance of the M2 and S2 tidal components in determining sea tides in Tanjung Siambang.
Mini Power Plant Sebagai Pemanfaatan Potensi Energi Baru Terbarukan di Desa Lancangkuning Bintan tonny Suhendra; Ahmad Syafiq; Sapta Nugraha; Rusfa; Anton Hekso Yunianto; Septia Refly; Hollanda Arief Kusuma; Lucky Pradana
Jurnal Pengabdian Masyarakat Nusantara Vol 2 No 2 (2023): Vol.2 No.2 (Juni 2023)
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/dimastara.v2i2.20237

Abstract

Abstrak—Dalam kegiatan ini dilakukan dengan tujuan melakukan pengenalan teknologi pembangkit listrik yang menggunakan energi baru terbarukan serta memanfaatkan cahaya matahari sebagai sumber energi di desa Lancangkuning, Kab. Bintan Kepulauan Riau. Hal ini dilakukan karena sebagian besar wilayah Indonesia memiliki potensi yang belum termanfaatkan berkaitan energi matahari sebagai energi alternatif yang bisa dikonversi menjadi energi listrik. Dan juga memberikan pemahaman kepada masayarakat melalui sosialisasi, bahawa membangun sebuah pembangkit listrik khususnya mini power plant tidak membutuhkan biaya yang besar, karena saat ini sudah banyak banyak pilihan (solar panel, baterai, solar charge controller dll) yang bisa digunakan dan harganya sudah sangat terjangkau. Dengan melakukan kegiatan ini juga diharapkan masyarakat dapat membangun sebuah pembangkit mini dengan harga murah, dan wilayah Indonesia memiliki potensi untuk membangun pembangkit berbasis energi baru terbarukan oleh masyarakat secara mandiri, khususnya pada off-grid system. Hasil dari kegiatan ini adalah sebuah prototype pembangkit listrik dengan kategori Mini Power Plant, yang di telah diujikan di salah satu pos ronda yang ada di desa Lancangkuning, dan juga pemehaman masayarakat sekitar berkaitan dengan pemanfaatan energi baru terbarukan (EBT), khususnya energi matahari. Kata Kunci—EBT, Solar Panel, Mini Power Plant, Energi Matahari, Energi Alternatif
IoT Sea Level Monitoring Development and Field Testing Study Hollanda Kusuma; Muhammad Aris Akbar; Tonny Suhendra; Achmad Zuchriadi; Allsay Kitsash Addifisyukha Cintra
ELECTRON Jurnal Ilmiah Teknik Elektro Vol 4 No 2: Jurnal Electron, November 2023
Publisher : Jurusan Teknik Elektro Fakultas Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/electron.v4i2.50

Abstract

The measurement of sea level is essential to oceanography because it provides vital information about the ocean environment, such as tides, currents, and water temperature. This research aimed to develop an Internet of Things (IoT)-based sea level monitoring device that can precisely measure sea level and transmit data in real time. An ESP32 microcontroller, a GSM module, an MS5803-14BA sensor, and a battery constituted the device. To protect the electronics from the ocean environment, the components were assembled on a PCB board and placed within a waterproof box. The field test was conducted for 17 hours at the Class 1 Navigation Office Port in Tanjungpinang, and the Ubidots platform was used to monitor the data. The device accurately measured sea level with an RMSE of 0.69 cm and an accuracy rate of 99.47%, according to the results. However, the field test also revealed problems with data transmission, with 18.81% of the data not being transmitted to the server. This low data transmission rate may have been caused by low RSSI levels and signal quality issues with the operator. To understand the causes of these data losses and improve the device's overall performance, additional research is required. This study demonstrated the viability of utilizing an Internet of Things-based sea level monitoring device to precisely measure sea level and transmit data in real time. It provides valuable information for the improvement and further development of sea level monitoring systems.
Co-Authors Achmad Zuchriadi Afdal Hadi Ahmad Syafiq Ahmad Syafiq Akbar, M Aris Alajuri, M Hasbi Sidqi Alena Uperiati Alfahmi, Muhammad Hafiz Allsay Kitsash Addifisyukha Cintra Allysia Shafira Anton Hekso Yunianto Desi Oktavia Dhanushka Devendra Dwi Eny Djoko Setyono Dwi Eny Djoko Setyono, Dwi Eny Djoko Hanafi, M Fadzil Hekso Yunianto, Anton Henry Ali Singer Hollanda Arief Kusuma Hollanda Kusuma Ilhami, Carel Candigia Sahid Lilis Agustina Sinaga Lucky Pradana Muhammad Aris Akbar Muhammad Zainuddin Lubis Mujahidin1, Muhamad Nadya Oktaviani, Nadya Prayetno, Eko Purnamasari, Dwi Amalia Purnamasari, Dwi Amelia Putra, Riandra Putra, Riski Rian Anjasmara Rusfa Rusfa, Rusfa Sapta Nugraha Saputra, Irwan Septia Refly Siallagan, Wendi Soleh Vudin Gozali Tri Kuntoro Priyambodo Uperiati, Alena Yuliani Yuliani Yunianto, Anton Hexso