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All Journal JFMR (Journal of Fisheries and Marine Research) Infotech: Journal of Technology Information Prisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram
Aditya, Muhammad Rifky
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Mathematics Physics Other

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IMPELEMENTASI WIRELESS SEBAGAI MEDIA KOMUNIKASI PADA SOFTWARE KENDALI MANIPULATOR MOBILE MULTI LENGAN Irwansyah, Irwansyah; Dzikrillah, Akhmad Rizal; Aditya, Muhammad Rifky; Al-Fadillah, Syafira Nadia; Makhfuz, Maulana Muhammad
Infotech: Journal of Technology Information Vol 10, No 1 (2024): JUNI
Publisher : ISTEK WIDURI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37365/jti.v10i1.242

Abstract

Robots or manual manipulators are a type of robot whose movements are completely controlled by humans. In certain cases, errors in the robot's work area endanger humans, so manual control of the robot at close range is not recommended. Robots in certain cases need to be controlled at medium or long distances. The use of cables as a medium for transmitting control signals over medium/long distances has weaknesses in controlling mobile robots or robots whose positions dynamically move from place to place. If controlled using a cable, a manual mobile robot requires a long stretched cable so that it cannot hinder the speed of the robot's movement so it is more efficient if controlled wirelessly. Bluetooth technology can be used as a medium for wireless transmission of medium distance control signals. The aim of this research is to design wireless-based multi-arm mobile device control software. Research methods start from mechanical, electrical, user interface and robot algorithm design. The robot designed is a manual-armed robot whose movements can be controlled by a user interface device that is connected wirelessly using Bluetooth. After getting a mature design, research was carried out on making robots and interface devices. The first stage of testing was carried out to test the robot's electricity, mechanics, user interface connection with the robot, and algorithm control. If the mechanical-electrical performance is successful and the user interface is connected, and the algorithm is appropriate, then the robot is declared complete. If the electrical, mechanical and control algorithm performance does not meet expectations, then the construction of the robot will be repeated on parts of the performance that do not function as expected. By utilizing Bluetooth media on the PS2 game pad, a forklift mechanism, programming servo angles on the claws, and a holonomic wheel system, a multi-arm manipulator can be created that has 4 degrees of freedom to move objects, namely moving forward and backward, shifting right and left, lifting. - lower the object, turn left and right. The multi-arm manipulator can be controlled wirelessly using Bluetooth technology. ABSTRAKRobot atau Manipulator manual merupakan jenis robot yang pergerakannya dikendalikan oleh manusia sepenuhnya. Pada beberapa kasus tertentu, misal pada areakerja robot yang membahayakan manusia, maka pengendalian robot manual pada jarak dekat tidak disarankan. Robot pada kasus tertentu perlu dikendalikan pada jarak menengah atau jarak jauh. Penggunaan kabel sebagai media transmisi sinyal kendali jarak menengah/jauh memiliki kelemahan pada kendali robot mobile atau robot yang posisinya dinamis berpindah-pindah tempat. Jika dikendalikan menggunakan kabel maka robot mobile manual membutuhkan kabel yang terulur panjang agar tidak dapat menghambat laju gerak robot sehingga lebih efisien jika dikendalikan secara wireless. Teknologi bluetooth dapat digunakan sebagai media transmisi sinyal kendali jarak menegah secara wireless. Tujuan dari penelitian ini adalah merancang bangun software kendali perangkat mobile multi lengan berbasis wireless. Metode penelitian dimulai dari perancangan mekanik,elektrik, interface pengguna, serta algorithma robot. Robot yang dirancang adalah robot berlengan manual yang pergerakannya daoat dikendalikan oleh perangkat antarmuka pengguna yang terhubung secara wireless menggunakan bluetooth. Setelah mendapatkan perancangan yang matang, penelitian dilakukan dengan pembuatan robot dan perangkat antarmuka. Pengujian tahap pertama dilakukan untuk menguji elektrik, mekanik robot, koneksi interface pengguna dengan robot, serta algorithma kendali. Jika kinerja mekanik-elektrik berhasil serta interface pengguna terkoneksi, dan algoritma sesuai, maka robot dinyatakan selesai. Jika kinerja elektrik, mekanik, dan algorithma kendali belum sesuai ekspektasi,maka pembuatan robot akan diulangi di bagian kinerja yang belum berfungsi sesuai ekspektasi. dengan memanfaatkan media bluetooth pada game pad PS2, mekanisme forklift, pemrograman sudut servo pada capit, serta sistem roda holonomic, maka dapat dibuat manipulator multi lengan yang memiliki 4 derajat kebebasan untuk memindahkan objek yaitu bergerak maju-mundur, geser kanan-kiri, mengangkat-menurunkan objek, berbelok ke kanan-kiri. Manipulator multi lengan tersebut dapat dikendalikan secara wireless menggunakan teknologi bluetooth.
Analysis of the Biophysical Conditions of Type A Tidal Swamp on Production Results and the Development of Siam Pandak Rice Farming in Barito Kuala Regency Mahdalena, Zulipah; Aditya, Muhammad Rifky
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol. 13 No. 4: October 2025
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/j-ps.v13i4.17625

Abstract

This study aims to evaluate the biophysical conditions of Type A tidal swamp lands in Barito Kuala Regency, South Kalimantan, and their impact on the productivity and economic sustainability of Siam Pandak rice farming. The biophysical data collected revealed that the soil conditions in the study area have a pH ranging from 4.5 to 5.0 (acidic), organic matter content ranging from 2.5% to 3.5%, and total nitrogen content between 0.18% and 0.25%. Average phosphorus availability was between 8 and 12 ppm, with potassium levels measured at 0.25 to 0.40 cmol/kg. Although the soil pH is low, leading to high solubility of toxic metals such as iron (Fe) and aluminum (Al), lime application (liming) can increase soil pH to more neutral levels, reducing Fe/Al toxicity, which in turn improves nutrient availability and supports rice growth. In terms of plant growth, the average height of Siam Pandak rice plants reached 135–150 cm, with 12 to 18 productive tillers per hill. Rice productivity was 3.5–4.5 tons of dry harvested grain (GKG) per hectare, which is still below the maximum potential (5–6 tons/ha). Regression analysis showed that soil pH, organic matter content, and potassium availability had a positive effect on productivity, while Fe/Al toxicity showed a significant negative effect. Effective water management strategies, including the alternating wetting and drying (AWD) system and proper drainage, helped reduce waterlogging risks and enhanced root growth. Economically, farmers who implemented effective soil and water management practices recorded a significant increase in net income, with an average income of IDR 33,968,750 per farmer per planting season. These findings emphasize that the application of proper soil amendments, good water management, and optimal biophysical conditions can increase rice yields and the economic sustainability of Siam Pandak rice farming in tidal swamp areas.
Struktur Komunitas Zooplankton dan Morfologi Copepoda sebagai Indikator Ekosistem Mangrove di Perairan Timur Pulau Tunda: Structure of Zooplankton Community and Morphology of Copepods as Indicators of Mangrove Ecosystem in the Eastern Waters of Tunda Island Neysa, Vania; Rizky , Putri Aulia; Wijaya , Zaskia Permata; Aditya, Muhammad Rifky; Gustiawan, Muhammad Sabda
JFMR-Journal of Fisheries and Marine Research Vol. 10 No. 1 (2026): JFMR on March
Publisher : Faculty of Fisheries and Marine Science, Brawijaya University, Malang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2026.010.01.12

Abstract

Penelitian ini bertujuan menganalisis struktur komunitas zooplankton di perairan timur Pulau Tunda, Kabupaten Serang, Banten, dengan fokus pada morfologi Copepoda sebagai kelompok dominan. Penelitian dilaksanakan pada September 2025 menggunakan metode purposive sampling pada tiga titik pengamatan berjarak 50 m. Sampel zooplankton dikoleksi dengan plankton net berukuran 25 µm menggunakan metode timba, kemudian diidentifikasi secara morfologis. Hasil penelitian menemukan total 32 individu zooplankton dari sepuluh kelas, dengan Copepoda sebagai kelompok paling dominan. Kelimpahan tertinggi tercatat di titik 2 dan 3 masing‑masing sebesar 50.000 ind/100 L, sedangkan kelimpahan di titik 1 lebih rendah (30.000 ind/100 L), yang diduga berkaitan dengan kondisi lingkungan yang dipengaruhi vegetasi mangrove. Parameter fisik‑kimia perairan (suhu 30–31 °C, salinitas 31–35 ppt, pH 6,8–7, DO 6,39 mg/L) berada pada kisaran yang mendukung kehidupan zooplankton. Struktur komunitas yang relatif beragam dengan dominansi Copepoda menunjukkan bahwa perairan timur Pulau Tunda memiliki tingkat kesuburan yang baik. Analisis morfologi Copepoda mengungkap variasi bentuk tubuh, antena, dan segmen yang mencerminkan adaptasi terhadap kondisi lingkungan mangrove. Copepoda berpotensi sebagai indikator biologis untuk menilai kualitas air dan stabilitas ekosistem mangrove pesisir.   This study aims to analyze the structure of the zooplankton community in the eastern waters of Tunda Island, Serang Regency, Banten, with a focus on the morphology of Copepods as the dominant group. The research was conducted in September 2025 using a purposive sampling method at three observation points spaced 50 m apart. Zooplankton samples were collected using a 25 µm plankton net with a bucket method and identified morphologically in the laboratory. The results revealed a total of 32 individuals from ten classes, with Copepoda being the most dominant group. The highest abundance was recorded at points 2 and 3, each reaching 50,000 ind/100 L, while point 1 showed lower abundance (30,000 ind/100 L), presumably influenced by environmental conditions related to mangrove vegetation. Physical‑chemical parameters (temperature 30–31 °C, salinity 31–35 ppt, pH 6.8–7, DO 6.39 mg/L) were within the optimal range for zooplankton survival. The relatively diverse community structure with copepod dominance indicates good fertility in the eastern waters of Tunda Island. Morphological analysis of copepods revealed variations in body shape, antennae, and segments reflecting adaptation to mangrove environmental conditions. Copepods have the potential to serve as biological indicators for assessing water quality and the stability of coastal mangrove ecosystems.
Co-Authors Al-Fadillah, Syafira Nadia Dzikrillah, Akhmad Rizal Gustiawan, Muhammad Sabda Irwansyah Irwansyah Mahdalena, Zulipah Makhfuz, Maulana Muhammad Neysa, Vania Rizky , Putri Aulia Wijaya , Zaskia Permata