Garuda - Garba Rujukan Digital

Anticipation of the ITE Law and Reconciliation of Its Forms Freedom of Expression through the E-Hights Website Wita Setyaningrum; Aimee Cepee Morana; Khusnul Nur Vaizi; Retno Damarina; Son Ali Akbar; Sakti Oktasari
Jurnal Hukum Novelty Vol 13, No 2 (2022)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26555/novelty.v13i2.a23799

Introduction to The Problem: Misinterpretation in the application of the Electronic Information and Transaction Law (ITE) can reduce democracy and undermine law enforcement in Indonesia. The complexity of the problems related to the Electronic Information and Transaction Law requires solutions to prevent and prevent problems with the Electronic Information and Transaction Law.Departing from the problems posed by the Electronic Information and Transaction Law, Indonesian still need a lot of work to overcome a degrading freedom of expression. We proposed the renewal by making a conceptual design and prototype, namely the E-Hights (Electronic Human Rights) application to overcome those problems.Purpose/Objective Study: This study is to examine the relationship between the constitution and laws and regulations governing freedom of expression through social media, as well as to examine how the use of a website-based application called E-Hights (Electronic Human Rights) guarantees the implementation of this freedom. expression while minimizing violations of laws governing electronic information and transactions.Design/Methodology/Approach: This research is normative legal research supported by secondary data in the form of primary and secondary legal materials.Findings: There are not a few problems in the implementation of the Electronic Information and Transaction Law, the existence of a rubber article in the Electronic Information and Transaction Law which creates multiple interpretations in law enforcement in Indonesia. This multi-interpretation rubber article has an impact on people's freedom of expression. According to research by the Indonesian Judicial Research Institute, the Electronic Information and Transaction Law is a tool to silence freedom of expression. Thus, this can affect democracy in Indonesia, or it could be said that the Electronic Information and Transaction Law makes people afraid to voice their aspirations to the special government. Therefore, the authors offer a solution that is realized in a web-based application.Paper Type: Research Article or General Review.

Design of One-Phase Inverter Using EGS002 with SPWM Nisfa Sri Ayu Kaliky; Son Ali Akbar; Ahmad Raditya Cahya Baswara
Buletin Ilmiah Sarjana Teknik Elektro Vol. 4 No. 3 (2022): December
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/biste.v4i3.6567

The more advanced the development of the technological world in Indonesia, the needs of the community in the use of electrical energy are also higher so that an alternative tool is needed that can produce a voltage source such as PLN. In this thesis, a 1-phase inverter will be designed that can produce output in the form of an AC voltage of 220 volts with a frequency of 50 Hz and has a good feedback voltage so that the inverter output voltage can be stable at an AC voltage value of 220 volts. The 1-phase inverter is made using a full bridge inverter circuit, the SPWM (sinusoidal pulse width modulation) signal is generated using EGS002 by ASIC (Application Specific Integreted Circuit), and the voltage correction transformer used has a maximum working power of 600 watts. According to the results of the no-load test the 1-phase inverter can produce an AC voltage on the output side of 220 to 230 volts with 50 Hz frequencys and the results of the load test show that the inverter has a good feedback voltage so that even when the input voltage drops, the inverter output voltage value is still above 220 volts.

The Stability of the Fixed Wings Unmanned Aircraft Using the PID Method at KRTI 2019 Pramudya Wisnujati; Son Ali Akbar
Buletin Ilmiah Sarjana Teknik Elektro Vol. 5 No. 2 (2023): June
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/biste.v5i2.6478

This study designed a UAV with an unmanned aircraft type with a Fixed Wings model that can perform the PID tunning process manually using the FBWA flight mode. An unmanned aircraft with the Fixed Wings type is designed to perform PID Roll tuning based on altitude and flight speed using the trial and error method increases the Proll value of 0.06 x 2 until the oscillation disappears and the final value of Proll is reduced by 50%. For the Iroll value, the increase in the value made is 0.1 x 2, increase it until it is sufficient and the final value of Iroll is reduced by 50%. For the Droll value, increase the value of 0.004 x 2 until the oscillation disappears and the final value of the Droll is reduced by 50%.

PROTOTIPE TABUNG SEMPROT PUPUK CAIR BERBASIS WAHANA QUADCOPTER BAGI LAHAN TANAMAN PADI Son Ali Akbar; Anton Yudhana
Jurnal Ecotipe (Electronic, Control, Telecommunication, Information, and Power Engineering) Vol 3 No 2 (2016): Jurnal Ecotipe Oktober 2016
Publisher : Jurusan Teknik Elektro, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/ecotipe.v3i2.22

Rice crop fertilization activities generally rely on based traditional of spray equipment. Their methods have used the influence of the traditional farmer on impact rice production. However, the problem facing paddies can touch by the farmer. In this research is providing the latest solutions with the application of modern vehicle technology UAV aircraft based on multirotor type (i.e., quadcopter). By quadcopter, brings appliance contains liquid fertilizer one compost can be spread through the air. The system of mutually connected between spray tube device and vehicle of quadcopter can be controlled the autonomous operate from a home based. The quadcopter can be brought liquid fertilizer to 1000 ml with two sprayers. Also, the research is a comparison of time and become discharge liquid fertilizer of the effectiveness this work on paddies farming.

Solvent Effects on Phytochemical Screening Test of Red Lemongrass (Cymbopogon nardus (L.) Rendl.) Extract and its Potential as Antidiabetic Agent Novitasari, Putri Rachma; Nuraisyah, Fatma; Prihatmadi, Farhan Adyaqsa; Nugroho, Agung Dwi; Yudhana, Anton; Akbar, Son Ali
Journal of Food and Pharmaceutical Sciences Vol 11, No 1 (2023): J.Food.Pharm.Sci
Publisher : Integrated Research and Testing Laboratory (LPPT) Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfps.6310

Phytochemical screening is a preliminary stage in phytochemical research which aims to provide an overview of class compounds contained in the plants. The solvents used in this study consisted of distillated water, methanol, and n-hexane solvent. The purpose of this study was to determine the secondary metabolites in Red Lemongrass (Cymbopogon nardus (L.) Rendl.) extract using different three solvents. Red Lemongrass extract was prepared by maceration method using distillated water, methanol, and n-hexane (10 gram: 100 mL) as solvents. Results of the extract were subjected to a phytochemical screening test consisting of flavonoids, alkaloids, saponins, tannins, and triterpenoids. The results of phytochemical screening showed that alkaloids, flavonoids, triterpenoids, and saponins were drawn attracted to the distillated water solvent. Meanwhile flavonoids and triterpenoids were drawn to methanol solvents. In addition, triterpenoids were drawn to n-hexane solvents. The best solvent on maceration results will be used as a reference for testing the ability of the extract as an antidiabetic agent.

Oil Palm USB (Unstripped Bunch) Detector Trained on Synthetic Images Generated by PGGAN Aji, Wahyu Sapto; bin Ghazali, Kamarul Hawari; Akbar, Son Ali
Journal of Robotics and Control (JRC) Vol 4, No 5 (2023)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jrc.v4i5.19499

Identifying Unstriped Bunches (USB) is a pivotal challenge in palm oil production, contributing to reduced mill efficiency. Existing manual detection methods are proven time-consuming and prone to inaccuracies. Therefore, we propose an innovative solution harnessing computer vision technology. Specifically, we leverage the Faster R-CNN (Region-based Convolution Neural Network), a robust object detection algorithm, and complement it with Progressive Growing Generative Adversarial Networks (PGGAN) for synthetic image generation. Nevertheless, a scarcity of authentic USB images may hinder the application of Faster R-CNN. Herein, PGGAN is assumed to be pivotal in generating synthetic images of Empty Fruit Bunches (EFB) and USB. Our approach pairs synthetic images with authentic ones to train the Faster R-CNN. The VGG16 feature generator serves as the architectural backbone, fostering enhanced learning. According to our experimental results, USB detectors that were trained solely with authentic images resulted in an accuracy of 77.1%, which highlights the potential of this methodology. However, employing solely synthetic images leads to a slightly reduced accuracy of 75.3%. Strikingly, the fusion of authentic and synthetic images in a balanced ratio of 1:1 fuels a remarkable accuracy surge to 87.9%, signifying a 10.1% improvement. This innovative amalgamation underscores the potential of synthetic data augmentation in refining detection systems. By amalgamating authentic and synthetic data, we unlock a novel dimension of accuracy in USB detection, which was previously unattainable. This contribution holds significant implications for the industry, ensuring further exploration into advanced data synthesis techniques and refining detection models.

Prototipe Timbangan Digital dan Pengendali Konveyor Otomatis untuk Pembersih Limbah Kotoran Hewan Ternak Kambing Son Ali Akbar; Ruly Erwin AfanDika; Anton Yudhana; Dian Nova Kusuma Hardani
Jurnal Riset Rekayasa Elektro Vol 6, No 2 (2024): JRRE VOL 6 NO 2 DESEMBER 2024
Publisher : PROGRAM STUDI TEKNIK ELEKTRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/jrre.v6i2.24537

yang berbau. Untuk mengatasi hal ini, dikembangkan sebuah alat otomatisasi yang dapat membersihkan kotoran basah dan cair secara efisien. Sistem ini mengintegrasikan sensor loadcell untuk mengukur berat kotoran, Arduino Uno sebagai mikrokontroler, dan LCD 16x2 I2C untuk menampilkan hasil pengukuran. Penelitian dilakukan di peternakan Desa Jangkang, Sleman, D.I. Yogyakarta, dengan fokus pada pemisahan kotoran basah dan cair secara otomatis. Kandang yang dirancang memiliki ukuran 1,6 m x 3 m x 2,4. Konveyor yang digerakkan oleh motor DC memindahkan kotoran ke penampungan sementara, sekaligus memisahkan feses dari urine. Sistem beroperasi dengan kecepatan konveyor 160 cm, tegangan rata-rata 11,19 V, dan RPM sebesar 17,94, dengan waktu operasional rata-rata 20 detik. Hasil pengujian menunjukkan error 4,9% dan tingkat akurasi 96,49%. Inovasi ini berkontribusi pada peningkatan efisiensi pengelolaan limbah dan pengurangan bau, mendukung pengembangan sektor peternakan kambing secara berkelanjutan.

Solvent Effects on Phytochemical Screening Test of Red Lemongrass (Cymbopogon nardus (L.) Rendl.) Extract and its Potential as Antidiabetic Agent Novitasari, Putri Rachma; Nuraisyah, Fatma; Prihatmadi, Farhan Adyaqsa; Nugroho, Agung Dwi; Yudhana, Anton; Akbar, Son Ali
Journal of Food and Pharmaceutical Sciences Vol 11, No 1 (2023): J.Food.Pharm.Sci
Publisher : Integrated Research and Testing Laboratory (LPPT) Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfps.6310

Phytochemical screening is a preliminary stage in phytochemical research which aims to provide an overview of class compounds contained in the plants. The solvents used in this study consisted of distillated water, methanol, and n-hexane solvent. The purpose of this study was to determine the secondary metabolites in Red Lemongrass (Cymbopogon nardus (L.) Rendl.) extract using different three solvents. Red Lemongrass extract was prepared by maceration method using distillated water, methanol, and n-hexane (10 gram: 100 mL) as solvents. Results of the extract were subjected to a phytochemical screening test consisting of flavonoids, alkaloids, saponins, tannins, and triterpenoids. The results of phytochemical screening showed that alkaloids, flavonoids, triterpenoids, and saponins were drawn attracted to the distillated water solvent. Meanwhile flavonoids and triterpenoids were drawn to methanol solvents. In addition, triterpenoids were drawn to n-hexane solvents. The best solvent on maceration results will be used as a reference for testing the ability of the extract as an antidiabetic agent.

Texton Based Segmentation for Road Defect Detection from Aerial Imagery Prahara, Adhi; Akbar, Son Ali; Azhari, Ahmad
International Journal of Artificial Intelligence Research Vol 4, No 2 (2020): December 2020
Publisher : Universitas Dharma Wacana

Road defect such as potholes and road cracks, became a problem that arose every year in Indonesia. It could endanger drivers and damage the vehicles. It also obstructed the goods distribution via land transportation that had major impact to the economy. To handle this problem, the government released an online complaints system that utilized information system and GPS technology. To follow up the complaints especially road defect problem, a survey was conducted to assess the damage. Manual survey became less effective for large road area and might disturb the traffic. Therefore, we used road aerial imagery captured by Unmanned Aerial Vehicle (UAV). The proposed method used texton combined with K-Nearest Neighbor (K-NN) to segment the road area and Support Vector Machine (SVM) to detect the road defect. Morphological operation followed by blob analysis was performed to locate, measure, and determine the type of defect. The experiment showed that the proposed method able to segment the road area and detect road defect from aerial imagery with good Boundary F1 score.

PID Control Tuning Based on Wind Speed Sensor in Flying Robot Hasan, Fadlur Rahman T; Akbar, Son Ali
Control Systems and Optimization Letters Vol 1, No 3 (2023)
Publisher : Peneliti Teknologi Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59247/csol.v1i3.56

The problem that is often faced by flying robots when carrying out the Vertical Take Off Landing (VTOL) process is the lack of stability of the vehicle due to differences in wind speed at any time. This is because the PID that has been pre-tuned is the PID at a certain wind speed and it is possible that during the race the wind speed suddenly changes, causing the vehicle to be less stable in carrying out the mission. Therefore, this study proposes a PID Control Tuning Control system based on the Wind Speed Sensor. In experiments that have been carried out with anemometer readings of 1-5 m/s, the ideal tuning results are obtained with each parameter P_roll = 0.1453, I_roll = 0.0892, D_roll = 0.004, P_pitch = 0.144, I_pitch = 0.09, D_pitch = 0.004, P_yaw = 0.184, I_yaw = 0.0184, D_yaw = 0.00309. In experiments with anemometer readings of 6-10 m/s, the ideal tuning results were obtained with each parameter P_roll = 0.148, I_roll = 0.0905, D_roll = 0.004, P_pitch = 0.1444, I_pitch = 0.09, D_pitch = 0.004, P_yaw = 0.1867, I_yaw = 0.0181, D_yaw = 0.0037. In an experiment with an anemometer reading of 11-15 m/s, the ideal tuning results were obtained with each parameter P_roll = 0.1494, I_roll = 0.09, D_roll = 0.004, P_pitch = 0.1457, I_pitch = 0.0902, D_pitch = 0.004, P_yaw = 0.1894, I_yaw = 0.018, D_yaw = 0.0037. PID adjustment based on this anemometer sensor utilizes the latest real-time wind speed data to support the robot in order to overcome instability in certain wind conditions by tuning PID so that the vehicle can maintain stability when carrying out certain missions.

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