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Journal of Muhammadiyah’s Application Technology
Published by Universitas Muhammadiyah Makassar
ISSN : -     EISSN : 30313082     DOI : 10.26618/jumptech
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Engineering
Journal of Muhammadiyah’s Application Technology (JUMPTECH) Jumptech (Journal of Muhammadiyah’s Application Technology) is an online periodical journal of science that is published three times a year, in February, June and October by Faculty of Engineering, Muhammadiyah University of Makassar, Indonesia, with a registered number ISSN 3031-3082 (online). Jumptech is a media to publish the results of scientific research academics, practitioners, and observers in the field of engineering science including irrigation civil engineering, architecture, electrical engineering, computer science, urban and regional planning. Jumptech focuses on publishing manuscripts within the following areas: Irrigation Civil Engineering: Hydrology; Hydraulics; Environmental Impacts; Solute and Sediment Transport; Soil Salinity; Water‐Quality Control; Sustainability; Water Management and Conservation; Evapotranspiration; Soil‐Water Flow; Design, Operations and Maintenance of Irrigation and Drainage Infrastructure; Development and Application of Technology; Economics, Energy Use, and Regulation in Irrigation and Drainage Engineering. Electrical Engineering and Computer Science: Power Systems: Generator, Power Distribution, Electrical Power Convertion, Protection Systems, Electrical Material Signal, System, and Electronics: Digital Signal Processing, Image Processing, Robotic Systems, Control Systems, Embedded Systems Communication Systems: Telecommunication, Wireless Communications, Computer Network Information Technology: Software Engineering, Data Mining, Multimedia, Mobile Computing, Parallel / Distributed Computing, Artificial Intelligent, Computer Graphic, AR/VR Architecture, Urban and Regional Planning : Architectural Planning and Design; Environmental Engineering; Building Science and Technology; Project Management; Structural Engineering; Building Materials; Building Intelligent Modelling (BIM); Theory and Architectural Criticism; Interior Design; Urban Planning; Housing and Settlement Design; Landscape Architecture; Architectural Conservation and Heritage; Study of Islamic Architecture; Regional and City Studies; Building Management and Built Environment; Infrastructure and Transport; Development Policy and Economics; Behavior, Space and Culture; Tourism and Space. Email : jumptech-ft@unismuh.ac.id
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 335 Documents
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Implementasi Tanda Tangan Digital dengan Metode AES dan Deflate untuk Verifikasi Surat Permohonan KKP Muhammad Ikhsan Nur; Lukman; Muhyiddin A M Hayat
Journal of Muhammadiyah’s Application Technology Vol. 4 No. 3 (2025)
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/k6zs6353

Abstract

ABSTRAKTransformasi digital di lingkungan akademik menuntut adanya sistem verifikasi dokumen yang aman, efisien, dan mudah diimplementasikan. Penelitian ini bertujuan untuk mengimplementasikan tanda tangan digital dalam proses verifikasi Surat Permohonan Kuliah Kerja Profesi (KKP) dengan mengombinasikan algoritma Advanced Encryption Standard (AES) dan metode kompresi Deflate. Sistem dirancang melalui beberapa tahapan, meliputi preprocessing data surat untuk menggabungkan seluruh informasi penting ke dalam satu format string, kompresi data menggunakan metode Deflate, serta enkripsi menggunakan algoritma AES-128 dengan mode Cipher Block Chaining (CBC). Data terenkripsi selanjutnya dikonversi ke dalam bentuk QR Code yang berfungsi sebagai representasi tanda tangan digital. Proses verifikasi dilakukan dengan memindai QR Code menggunakan aplikasi client, kemudian dilakukan tahap dekripsi dan dekompresi untuk mengembalikan data ke bentuk aslinya. Hasil pengujian menunjukkan bahwa sistem mampu menjaga kerahasiaan dan integritas data, mempercepat proses verifikasi administrasi, serta meminimalkan potensi kesalahan manusia dalam pengelolaan dokumen. Dengan demikian, integrasi algoritma AES dan metode Deflate dapat diterapkan secara efektif sebagai solusi verifikasi dokumen digital di lingkungan akademik. Kata Kunci: Tanda Tangan Digital, AES, Deflate, Enkripsi, Dokumen Akademik   ABSTRACTDigital transformation in academic environments requires a document verification system that is secure, efficient, and easy to implement. This study aims to implement a digital signature system for verifying Internship Application Letters (Kuliah Kerja Profesi/KKP) by combining the Advanced Encryption Standard (AES) algorithm and the Deflate compression method. The system is designed through several stages, including preprocessing of letter data to merge essential information into a single string format, data compression using the Deflate method, and encryption using the AES-128 algorithm in Cipher Block Chaining (CBC) mode. The encrypted data is then converted into a QR Code, which serves as a digital signature representation. The verification process is carried out by scanning the QR Code using a client application, followed by decryption and decompression to restore the original data. The testing results indicate that the proposed system is capable of maintaining data confidentiality and integrity, accelerating administrative verification processes, and reducing human error in document management. Therefore, the integration of AES and Deflate proves to be an effective solution for digital document verification in academic institutions. Keyworsds: Digital Signature, AES, Deflate, Encryption, Academic Document
Perancangan Pusat Rehabilitasi Narkoba Dengan Pendekatan Arsitektur Ekologi di Kab. Bulukumba M. Fitrah Achriyanto Syam; Andi Yusri; Nurhikmah Paddiyatu; Citra Amalia Amal; Irnawaty Idrus; Rohana Abdullah
Journal of Muhammadiyah’s Application Technology Vol. 5 No. 1 (2026)
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/qrxhqe52

Abstract

ABSTRAK: Penyalahgunaan Narkotika, Psikotropika, dan Zat Adiktif (NAPZA) merupakan masalah yang sangat mengkhawatirkan di Indonesia. Oleh karena itu, diperlukan pengembangan desain untuk Pusat Rehabilitasi Narkoba dengan pendekatan Arsitektur Ekologis di Kabupaten Bulukumba yang bertujuan memberikan pemulihan secara mental dan spiritual bagi pengguna Narkoba. Penelitian ini bertujuan untuk merancang sebuah fasilitas rehabilitasi narkoba di Kabupaten Bulukumba dengan menerapkan prinsip-prinsip Arsitektur Ekologi dan menciptakan tata ruang serta fasilitas pendukung yang sesuai dengan konsep tersebut. Dalam penelitian ini, metode yang digunakan meliputi observasi di lapangan dan tahap perancangan arsitektur. Desain yang ditampilkan dalam penelitian ini adalah pusat rehabilitasi narkoba yang diembangkan berlandaskan prinsip-prinsip Arsitektur Ekologi. Desain ini mencakup empat karakteristik utama dari arsitektur yang ramah lingkungan, yaitu: penggunaan panel surya sebagai sumber energi terbarukan, penerapan jendela besar untuk penerangan dan ventilasi alami, penggunaan material lokal dalam konstruksi, serta pengelolaan air hujan dan limbah yang didaur ulang untuk pemakaian toilet dan irigasi tanaman.KATA KUNCIArsitektur Ekologi, Pusat Rehabilitasi, Narkoba. ABSTRACT: Abuse of Narcotics, Psychotropics, and Addictive Substances (NAPZA) is a very worrying problem in Indonesia. Therefore, it is necessary to develop a design for a Drug Rehabilitation Center with an Ecological Architecture approach in Bulukumba Regency which aims to provide mental and spiritual recovery for drug users. This study aims to design a drug rehabilitation facility in Bulukumba Regency by applying the principles of Ecological Architecture and creating a spatial layout and supporting facilities in accordance with the concept. In this study, the methods used include field observations and the architectural design stage. The design presented in this study is a drug rehabilitation center developed based on the principles of Ecological Architecture. This design includes four main characteristics of environmentally friendly architecture, namely: the use of solar panels as a renewable energy source, the application of large windows for natural lighting and ventilation, the use of local materials in construction, and the management of rainwater and recycled waste for toilet use and plant irrigation.Keywords:Ecological Architecture, Rehabilitation Center, Drugs.  
Rancang Bangun Modul Pembangkit Hybrid Solar Cell dengan Genset pada Laboratorium Unismuh Makassr Hasmirandi Gusti; Bayu Muhammad Bayu Saputra; Pak Hafid Abdul Hafid; Ibu Adriani Adriani
Journal of Muhammadiyah’s Application Technology Vol. 5 No. 1 (2026)
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/4bqfs313

Abstract

ABSTRAK: Sistem hybrid dengan memadukan solar cell dan genset menjadi alternatif yang aktif. Genset berfungsi sebagai sumber cadangan ketika daya dari solar cell tidak mencuukupi kebutuhan beban. Agar kedua sumber energi ini dapat digunakan secara bersama – sama dan efisien, dibutuhkan Grid Tie Inverter (GTI) sebagai perangkat sinkronisasi. Dalam perancangan ini memiliki tujuan untuk memahami kinerja pembangkit listrik sistem hybrid solar cell dengan genset dalam keadaan daya kecil dengan menggunakan Grid Tie Inverter untuk sinkronisasi. Hasil pengukuran panel surya mendapatkan rata – rata daya 10,25 Watt, hasil pengukuran genset mendapatkan daya 48,9 Watt pada beban satu lampu dan 81,0 pada beban dua lampu, sedangkan hasil pengujian sistem hybrid mendapatkan rata tegangan 20 V pada cuaca terang dan 6 V pada cuaca mendung. Dengan demikian, dapat disimpulkan bahwa modul pembangkit hybrid berhasil dirancang dan dibuat dengan menggabungkan sumber energy dari panel surya dengan genset menggunakan Grid Tie Inverter sehingga dapat berpindh sumber daya secara otomatis.KATA KUNCIPembangkit hybrid solar cel, genset, Grid Tie Inverter ABSTRACT: A hybrid system combining solar cels and a generator is an active alternative. The generator serves as a back up source when the solar cell’s power is insufficient to meet the load’s needs. To ensure efficient use of both energy sources, a Grid Tie Inverter (GTI) is required as a synchronization device. This design aims to understand the performance of a hybrid solar celland generator power generation system unde low power conditions, using a Grid Tie Inverter for synchronization. Measurements of the solar panels yielded an average power of 10.25 wtts, while measurements of the generator yielded 48.9 watts for a singe lamp load and 81.0 watts for a two-lamp load. Tests of the hybrid system yielded n average voltage of 20 V on sunny days and 6 V on cloudy days. Therefore, it can be concluded that the hybrid generator module was successfully designed and manufactured by combining solar panels with a generator using a Grid Tie Inverter enabling automatic power source switching.Keywords:Hybrid solar cell generator, generator, Grid Tie Inverter
Pengaruh Pasang Surut Terhadap Refraksi Gelombang Pada Pulau Gusung Kota Makassar Risal Risal; Kasmawati; Andi Makbul Syamsuri
Journal of Muhammadiyah’s Application Technology Vol. 4 No. 3 (2025)
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/8k0ecm10

Abstract

ABSTRAK: Pulau Gusung merupakan pulau pasir di pesisir Kota Makassar yang sangat dipengaruhi oleh dinamika oseanografi, khususnya pasang surut dan gelombang laut. Variasi muka air laut akibat pasang surut diduga berpengaruh terhadap proses refraksi gelombang yang terjadi di sekitar pulau tersebut. Penelitian ini bertujuan untuk menganalisis pengaruh pasang surut terhadap refraksi gelombang pada Pulau Gusung. Metode yang digunakan meliputi analisis pasang surut dengan metode Admiralty menggunakan data tahun 2023, serta peramalan parameter gelombang melalui metode hindcasting berdasarkan data angin dan fetch periode 2019–2023. Selanjutnya dihitung koefisien refraksi gelombang pada kondisi pasang dan surut. Hasil penelitian menunjukkan bahwa perubahan muka air laut akibat pasang surut memengaruhi kedalaman perairan sehingga menyebabkan variasi nilai koefisien refraksi gelombang. Kondisi pasang menghasilkan nilai refraksi yang berbeda dibandingkan kondisi surut. Kesimpulannya, pasang surut berperan signifikan dalam mengontrol pola refraksi gelombang di Pulau Gusung. Temuan ini berimplikasi penting bagi perencanaan dan pengelolaan wilayah pesisir serta mitigasi abrasi di pulau-pulau kecil. KATA KUNCI Pasang Surut, Admiralty, Tinggi Gelombang, dan Periode Gelombang.   ABSTRACT: Pulau Gusung is a sandy island located in the coastal area of Makassar City that is strongly influenced by oceanographic dynamics, particularly tides and ocean waves. Variations in sea level caused by tidal fluctuations are presumed to affect the wave refraction process occurring around the island. This study aims to analyze the influence of tides on wave refraction at Pulau Gusung. The methods employed include tidal analysis using the Admiralty method based on 2023 tidal data, as well as wave parameter prediction using the hindcasting method derived from wind and fetch data for the period 2019–2023. Furthermore, wave refraction coefficients were calculated under tidal and low-tide conditions. The results indicate that sea level variations due to tides affect water depth, leading to changes in wave refraction coefficients. Tidal conditions produce different refraction values compared to low-tide conditions. In conclusion, tides play a significant role in controlling wave refraction patterns at Pulau Gusung. These findings have important implications for coastal planning, management, and abrasion mitigation on small islands.   Keywords: Tidal, Admiralty, Wave Height and Wave Period
Pengembangan Pototipe Sistem Monitoring Level Air Berbasis NodeMCU Asman Ahmad; Adriani; Andi Halik Lateko; Sahabuddin Latif
Journal of Muhammadiyah’s Application Technology Vol. 4 No. 3 (2025)
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/m70fp109

Abstract

ABSTRAK: Sistem Penelitian ini menyajikan pengembangan prototipe sistem pemantauan ketinggian air berbasis NodeMCU V3 dan sensor ultrasonik yang terintegrasi dengan platform Blynk IoT untuk pemantauan secara real-time. Sistem ini dirancang untuk mengatasi ketidakefisienan sistem monitoring manual di wilayah rawan banjir dengan menyediakan data ketinggian air secara akurat dan peringatan langsung melalui aplikasi seluler. NodeMCU V3 dipilih karena desainnya yang ringkas, biaya rendah, dan konektivitas Wi-Fi yang terintegrasi. Hasil pengujian menunjukkan bahwa sistem mampu memantau level air dengan akurasi tinggi (±1 cm) dan mengirimkan peringatan dalam hitungan detik ketika ambang batas terlampaui. Selain itu, sistem beroperasi secara andal selama masa uji coba dua minggu berturut-turut dengan tingkat ketersediaan (uptime) di atas 95%. Meskipun sistem ini menawarkan sejumlah keunggulan seperti biaya implementasi rendah dan kemudahan integrasi, terdapat keterbatasan berupa ketergantungan pada koneksi internet yang stabil serta kebutuhan pemeliharaan berkala. Penelitian ini memberikan kontribusi pada bidang teknik lingkungan dengan menyediakan alat monitoring berbasis IoT yang skalabel dan mudah diakses. Pengembangan lanjutan dapat mencakup integrasi sensor tambahan dan fitur kendali otomatis untuk mendukung manajemen sumber daya air yang lebih adaptif.KATA KUNCIPemantauan Level Air, NodeMCU V3, Sensor Ultrasonik, Blynk, Sistem IoT. ABSTRACT: This study presents the development of a water level monitoring system prototype based on NodeMCU V3 and ultrasonic sensors, integrated with the Blynk IoT platform for real-time monitoring. Designed to address the inefficiency of manual monitoring systems in flood-prone regions, the system provides accurate, real-time water level data and immediate alerts via a mobile application. The NodeMCU V3 was selected for its compact design, low cost, and integrated Wi-Fi connectivity. The testing phase demonstrated that the system could monitor water levels with high accuracy (±1 cm) and deliver alerts within seconds when thresholds were exceeded. Furthermore, the system operated reliably over a continuous two-week trial, with a system uptime above 95%. While the system offers key benefits such as low implementation cost and ease of integration, limitations include dependency on stable internet connectivity and the need for periodic maintenance. This work contributes to the field of environmental engineering by providing a scalable and accessible IoT-based monitoring tool. Future developments may include integration with additional sensors and control features to support automated water resource management. Keywords:Water level monitoring, NodeMCU V3, ultrasonic sensor, IoT, Blynk.
Pengaruh Tinggi Gelombang Terhadap Refraksi Gelombang di Pulau Gusung, Kota Makassar Sariana Sariana; Kasmawati Kasmawati; Hamzah Al Imran
Journal of Muhammadiyah’s Application Technology Vol. 5 No. 1 (2026)
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/8mms4f73

Abstract

ABSTRAK: Pulau Gusung di Kota Makassar merupakan pulau kecil yang langsung berhadapan dengan laut terbuka sehingga sangat dipengaruhi oleh dinamika gelombang. Salah satu proses transformasi gelombang yang berperan penting di wilayah ini adalah refraksi gelombang, yang dipengaruhi oleh perubahan kedalaman dan tinggi gelombang datang. Penelitian ini bertujuan menganalisis pengaruh tinggi gelombang terhadap refraksi gelombang di sekitar Pulau Gusung. Pendekatan yang digunakan adalah kuantitatif dengan memanfaatkan data sekunder berupa data tinggi gelombang, angin, dan parameter gelombang dari BMKG periode 2019–2023. Analisis dilakukan melalui perhitungan karakteristik gelombang dan koefisien refraksi berdasarkan teori transformasi gelombang di perairan dangkal. Hasil penelitian menunjukkan bahwa peningkatan tinggi gelombang di laut lepas berpengaruh terhadap perubahan nilai koefisien refraksi, yang selanjutnya memengaruhi distribusi energi gelombang di sekitar pulau. Kondisi ini berimplikasi pada potensi abrasi dan pengendapan di zona pesisir tertentu. Temuan ini diharapkan dapat menjadi dasar pertimbangan dalam pengelolaan wilayah pesisir Pulau Gusung. KATA KUNCI Tinggi Gelombang, Refraksi Gelombang, Pulau Gusung, transformasi gelombang   ABSTRACT: Gusung Island, located in Makassar City, is a small island directly exposed to open-sea conditions and therefore strongly influenced by wave dynamics. One of the important wave transformation processes in this area is wave refraction, which is affected by seabed topography and incoming wave height. This study aims to analyze the effect of wave height on wave refraction around Gusung Island. A quantitative approach was applied using secondary data consisting of wave height, wind, and wave parameters obtained from BMKG for the period 2019–2023. The analysis was conducted by calculating wave characteristics and refraction coefficients based on wave transformation theory in shallow waters. The results indicate that increasing offshore wave height influences changes in the refraction coefficient, which in turn affects the distribution of wave energy around the island. These conditions have implications for abrasion and sedimentation potential in certain coastal zones. The findings are expected to serve as a reference for coastal management and planning in the Gusung Island area. Keywords: Wave Height, Wave Refraction, Gusung Island, Wave Transformation  
Analisis Penanganan Abrasi Pasca Pembangunan Dermaga di Pelabuhan Bajoe Kabupaten Bone M Yusran S; Andi Makbul Syamsuri; Hamzah Al Imran
Journal of Muhammadiyah’s Application Technology Vol. 5 No. 1 (2026)
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/mfw4vd24

Abstract

ABSTRAK: Pembangunan dermaga di kawasan pesisir berpotensi mengubah keseimbangan dinamika pantai dan memicu terjadinya abrasi di wilayah sekitarnya. Pelabuhan Bajoe di Kabupaten Bone merupakan salah satu kawasan yang mengalami abrasi pasca pembangunan dermaga, sehingga diperlukan penanganan yang tepat dan berkelanjutan. Penelitian ini bertujuan untuk menganalisis kondisi abrasi yang terjadi serta mengevaluasi upaya penanganan abrasi di kawasan Pelabuhan Bajoe. Metode penelitian yang digunakan adalah pendekatan deskriptif kuantitatif dengan memanfaatkan data sekunder, observasi lapangan, serta analisis kondisi gelombang, arus, dan perubahan garis pantai. Hasil penelitian menunjukkan bahwa keberadaan dermaga memengaruhi pola arus dan distribusi energi gelombang, yang berdampak pada meningkatnya laju abrasi di beberapa segmen pantai. Penanganan abrasi yang direkomendasikan meliputi penerapan struktur pelindung pantai, seperti bangunan pengaman pantai, serta pengelolaan kawasan pesisir secara terpadu. Kesimpulannya, penanganan abrasi pasca pembangunan dermaga memerlukan perencanaan yang mempertimbangkan aspek teknis, lingkungan, dan keberlanjutan. Hasil penelitian ini diharapkan dapat menjadi bahan pertimbangan dalam perencanaan dan pengelolaan kawasan pelabuhan pesisir. KATA KUNCI Abrasi pantai, dermaga, fetch, Pelabuhan Bajoe.   ABSTRACT: The construction of a jetty in coastal areas has the potential to alter coastal dynamics and trigger abrasion in surrounding regions. Bajoe Port in Bone Regency is one of the coastal areas that has experienced abrasion following jetty construction, requiring appropriate and sustainable mitigation measures. This study aims to analyze abrasion conditions and evaluate post-construction abrasion handling efforts in the Bajoe Port area. The research employed a descriptive quantitative approach using secondary data, field observations, and analyses of wave conditions, currents, and shoreline changes. The results indicate that the presence of the jetty affects current patterns and wave energy distribution, leading to increased abrasion rates in several coastal segments. Recommended mitigation measures include the application of coastal protection structures, such as shore protection works, and integrated coastal zone management. In conclusion, post-jetty-construction abrasion mitigation requires planning that considers technical, environmental, and sustainability aspects. The findings of this study are expected to serve as important references for planning and managing coastal port areas. Keywords: Coastal abrasion, jetty, fetch, Bajoe Port
Evaluasi Pengelolaan Sampah Domestik Pulau Lae-Lae, Kecamatan Ujung Pandang, Kota Makassar Uky Chalsum; Fathurrahman Burhanuddin; Soemitro Emin Praja
Journal of Muhammadiyah’s Application Technology Vol. 4 No. 3 (2025)
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/msp7js56

Abstract

ABSTRAK Permasalahan sampah domestik di wilayah pesisir dan pulau kecil menjadi isu lingkungan yang semakin kompleks, termasuk di Pulau Lae-Lae, Kecamatan Ujung Pandang, Kota Makassar. Keterbatasan lahan, sarana prasarana, serta rendahnya partisipasi masyarakat menyebabkan sistem pengolahan sampah belum berjalan optimal. Penelitian ini bertujuan untuk mengevaluasi sistem pengolahan sampah di Pulau Lae-Lae berdasarkan aspek pewadahan, pengumpulan, pengangkutan, dan pengolahan. Metode penelitian yang digunakan adalah deskriptif kuantitatif dan teknik pengumpulan data melalui observasi lapangan, kuesioner, dan data sekunder dari instansi terkait. Analisis dilakukan menggunakan standar pelayanan minimal persampahan dan scoring evaluative. Hasil penelitian menunjukkan bahwa pengolahan sampah domestik di Pulau Lae-Lae masih berada pada kategori cukup hingga kurang baik, terutama pada aspek pengolahan dan pengangkutan sampah, dan dilakukan 1 penambahan armada pengangkutan sampah yang di asumsikan kapasitas armada 500kg/rit, ritasi 30 menit dan 2 kali pengangkutan, serta sampah akan diolah berdasarkan jenisnya. Kesimpulannya, diperlukan peningkatan sistem pengolahan berbasis masyarakat serta dukungan infrastruktur yang memadai.   Kata Kunci: Evaluasi, Pengolahan sampah, Kernel Density, Sampah Domestik   ABSTRACT The problem of domestic waste in coastal areas and small islands is becoming an increasingly complex environmental issue, including on Lae-Lae Island, Ujung Pandang District, Makassar City. Limited land, infrastructure, and low community participation have resulted in the waste management system not being optimal. This study aims to evaluate the waste management system on Lae-Lae Island based on aspects of storage, collection, transportation, and processing. The research method used is descriptive quantitative and data collection techniques through field observations, questionnaires, and secondary data from related agencies. The analysis was conducted using minimum waste service standards and evaluative scoring. The results show that domestic waste management on Lae-Lae Island is still in the adequate to poor category, especially in the aspects of waste processing and transportation. One additional waste collection fleet was carried out with an assumed fleet capacity of 500 kg/trip, 30 minutes of trips and 2 transportation times, and waste will be processed based on its type. In conclusion, an improvement in the community-based processing system and adequate infrastructure support is needed.   Keywords: Evaluation, Waste Processing, Kernel Density, Domestic Waste.
Pendeteksi Penyakit Daun Padi Menggunakan Algoritma YOLOv8 di Desa Jangan-Jangan Kecamatan Pujananting Kabupaten Barru Suandi Aritmawijaya; Fahrim Irhamna Rachman; Rizki Yusliana Bakti
Journal of Muhammadiyah’s Application Technology Vol. 4 No. 3 (2025)
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/kn1zxt55

Abstract

ABSTRAKProduksi padi di Indonesia memiliki peran penting dalam menjaga ketahanan pangan nasional, namun produktivitasnya sering mengalami penurunan akibat serangan penyakit pada daun padi. Penyakit seperti blast, bercak coklat, dan hawar daun bakteri merupakan penyakit utama yang dapat menimbulkan kerugian signifikan jika tidak terdeteksi sejak dini. Identifikasi penyakit daun padi secara konvensional umumnya masih dilakukan secara manual dan bergantung pada pengalaman petani, sehingga berpotensi menimbulkan kesalahan diagnosis. Oleh karena itu, penelitian ini bertujuan mengembangkan sistem pendeteksi otomatis penyakit daun padi berbasis deep learning menggunakan algoritma YOLOv8. Dataset diperoleh dari pengambilan citra langsung di lahan pertanian Desa Jangan-Jangan, Kabupaten Barru, yang merepresentasikan kondisi lapangan nyata dan mencakup tiga jenis penyakit utama. Tahapan penelitian meliputi anotasi data menggunakan Roboflow, pelatihan model dengan Google Collab, serta evaluasi performa menggunakan confusion matrix, precision, recall, F1-score, dan mean Average Precision. Hasil pengujian menunjukkan bahwa model YOLOv8 mampu mendeteksi penyakit daun padi dengan akurasi tinggi dan waktu inferensi cepat, sehingga berpotensi diterapkan sebagai solusi deteksi dini penyakit padi secara real-time. Kata Kunci: YOLOv8, Deteksi Penyakit Padi, Deep learning, Citra Digital, Pertanian Presisi, Roboflow,CNN.   ABSTRACTRice production in Indonesia plays a crucial role in maintaining national food security, but productivity often declines due to leaf disease attacks. Diseases such as blast, brown spot, and bacterial leaf blight are major diseases that can cause significant losses if not detected early. Conventional rice leaf disease identification is generally still done manually and relies on farmer experience, potentially leading to misdiagnosis. Therefore, this study aims to develop an automatic rice leaf disease detection system based on deep learning using the YOLOv8 algorithm. The dataset was obtained from direct imagery captured in agricultural fields in Jangan-Jangan Village, Barru Regency, which represents real-world conditions and includes three main types of diseases. The research stages include data annotation using Roboflow, model training with Google Colab, and performance evaluation using a confusion matrix, precision, recall, F1-score, and mean Average precision. The test results show that the YOLOv8 model is capable of detecting rice leaf diseases with high accuracy and fast inference time, thus potentially being implemented as a real-time early detection solution for rice diseases. Keyworsds: YOLOv8, Rice Disease Detection, Deep learning, Digital Imagery, Precision Farming, Roboflow,CNN.
Analisis Alih Fungsi Lahan Pertanian dan Pengaruhnya terhadap Kondisi Sosial Ekonomi Masyarakat di Kecamatan Belopa Isfa Astutik; Fathurrahman Burhanuddin; Soemitro Emin Praja
Journal of Muhammadiyah’s Application Technology Vol. 4 No. 3 (2025)
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/qm262m21

Abstract

ABSTRAKAlih fungsi lahan pertanian ke non-pertanian di Kecamatan Belopa meningkat seiring pertumbuhan penduduk dan pembangunan permukiman serta infrastruktur, yang berdampak pada berkurangnya lahan pertanian dan kondisi sosial ekonomi masyarakat. Metode penelitian yang digunakan adalah pendekatan kuantitatif Deskriptif dengan metode survei. Teknik pengumpulan data dilakukan melalui observasi, kuesioner, dan dokumentasi. Analisis data menggunakan analisis spasial deskriptif berbasis Sistem Informasi Geografis (SIG) untuk melihat perubahan penggunaan lahan, serta analisis SWOT untuk merumuskan strategi pengelolaan perubahan pemanfaatan lahan. Hasil analisis spasial menunjukkan bahwa dalam periode 2019–2025 terjadi penurunan luas lahan sawah dari 1027,72 Ha menjadi 982,51 di Kecamatan Belopa yang sebagian besar beralih menjadi kawasan permukiman, tambak, dan infrastruktur. Berdasarkan hasil analisis SWOT diperoleh nilai IFAS sebesar 0,60 dan EFAS sebesar 1,04. Nilai tersebut menempatkan posisi Kecamatan Belopa pada Kuadran I (Strategi Agresif/SO), yang menunjukkan bahwa wilayah ini memiliki kekuatan internal yang dapat dimanfaatkan untuk menghadapi peluang eksternal. Strategi yang direkomendasikan meliputi optimalisasi potensi ekonomi wilayah, pengendalian alih fungsi lahan pertanian secara berkelanjutan, penguatan perlindungan kawasan pertanian pangan berkelanjutan (KP2B), serta pengembangan diversifikasi mata pencaharian masyarakat. Penelitian ini diharapkan menjadi dasar pertimbangan dalam perumusan kebijakan tata ruang dan pembangunan berkelanjutan di Kabupaten Luwu. Kata Kunci: Perubahan pemanfaatan lahan, lahan pertanian, kondisi sosial ekonomi, IFAS, EFAS, SWOT, Kecamatan Belopa. ABSTRACTThe conversion of agricultural land to non-agricultural use in Belopa Subdistrict has increased in line with population growth and the development of settlements and infrastructure, which has resulted in a reduction in agricultural land and the socio-economic conditions of the community. The research method used was a descriptive quantitative approach with a survey method. Data collection techniques were carried out through observation, questionnaires, and documentation. Data analysis used descriptive spatial analysis based on Geographic Information Systems (GIS) to observe changes in land use, as well as SWOT analysis to formulate strategies for managing changes in land use. The spatial analysis results show that in the 2019–2025 period, there was a decrease in rice field area from 1027.72 Ha to 982.51 Ha in Belopa District, most of which was converted into residential areas, ponds, and infrastructure. Based on the SWOT analysis results, the IFAS value was 0.60 and the EFAS value was 1.04. These values Placing Belopa District in Quadrant I (Aggressive Strategy/SO) indicates that this region has internal strengths that can be leveraged to address external opportunities. The recommended strategies include optimizing the region's economic potential, controlling the conversion of agricultural land in a sustainable manner, strengthening the protection of sustainable food agricultural areas (KP2B), and developing diversification of community livelihoods. This study is expected to serve as a basis for consideration in the formulation of spatial planning and sustainable development policies in Luwu Regency. Keyworsds: Changes in land use, agricultural land, socioeconomic conditions, IFAS, EFAS, SWOT, Belopa District.

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