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All Journal International Journal of Electrical and Computer Engineering International Journal of Applied Power Engineering (IJAPE) Jurnal Sains Materi Indonesia Jurnal Sains dan Teknologi Nuklir Indonesia (Indonesian Journal of Nuclear Science and Technology) JOURNAL AGRIBUSINESS TELKOMNIKA (Telecommunication Computing Electronics and Control) JURNAL LITIGASI (e-Journal) Jurnal Matematika & Sains Journal of Mathematical and Fundamental Sciences JOIV : International Journal on Informatics Visualization Jurnal Otomasi Kontrol dan Instrumentasi Jurnal Yudisial Indonesian Journal of Criminal Law Indonesian Journal of Electrical Engineering and Computer Science Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Indonesian Journal of Physics (IJP)
Maman Budiman
Institut Teknologi Bandung
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A Low Cost C8051F006 SoC-Based Quasi-Static C-V Meter for Characterizing Semiconductor Devices Endah Rahmawati; Riska Ekawita; Maman Budiman; Mikrajuddin Abdullah; Khairurrijal Khairurrijal
Indonesian Journal of Electrical Engineering and Computer Science Vol 10, No 6: October 2012
Publisher : Institute of Advanced Engineering and Science

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Abstract

Based on a C8051F006 SoC (system on-a-chip), a simple and low cost quasi-static capacitance-voltage (C-V) meter was designed and developed to obtain C-V characteristics of semiconductor devices. The developed C-V meter consists of a capacitance meter, a programmable voltage source, a C8051F006 SoC-based slave controller, and a personal computer (PC) as a master controller. The communication between the master and slave controllers is facilitated by the RS 232 serial communication. The accuracy of the C-V meter was guaranteed by the calibration functions, which are employed by the program in the PC and obtained through the calibration processes of analog to digital converter (ADC), digital to analog converters (DACs) of the C8051F006 SoC, and the programmable voltage source.  Examining 33-pF and 1000-pF capacitors as well three different p-n junction diodes, it was found that the capacitances of common capacitors are in the range of specified values and typical C-V curves of p-n junction diodes are achieved. DOI: http://dx.doi.org/10.11591/telkomnika.v10i6.1182
DESAIN DAN PENGEMBANGAN ELEKTROMAGNET PORTABEL BERBASIS PELAT TEMBAGA Sony Wardoyo; Mitra Djamal; Maman Budiman
PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Vol 8 (2019): PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) SNF2019
Publisher : Program Studi Pendidikan Fisika dan Program Studi Fisika Universitas Negeri Jakarta, LPPM Universitas Negeri Jakarta, HFI Jakarta, HFI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (263.429 KB) | DOI: 10.21009/03.SNF2019.02.PA.19

Abstract

Penemuan elektromagnet telah banyak memberikan pengaruh yang besar terhadap perkembangan ilmu pengetahuan dan teknologi, yang mana oleh karena sifat kemagnetan yang bisa diatur sehingga dapat memberikan manfaat praktis diantaranya motor listrik, relai, generator pembangkit listrik, dan saklar pintu otomatis. Pada penelitian ini dilakukan suatu desain dan rancangan elektromagnet berupa pelat tembaga yang di cetak berbentuk kepingan koin yang terdapat lubang ditengah untuk inti besi. Setiap pelat terdapat isolator yang memisahkan antar tiap pelat yang disusun berulir sehingga terbentuk heliks lilitan pelat tembaga. Hasil eksperimen didapat bahwa rancangan elektromagnet dengan menggunakan pelat tembaga, dapat menghasilkan medan magnet, 0 hingga 4 mTesla, dengan pengukuran menggunakan Gaussmeter. Implikasi pada penelitian ini akan berdampak pada riset fisika maupun ilmu rekayasa yang berkaitan pada penggunaan elektromagnet yang bersifat portabel dan ringkas, selain itu berpotensi untuk dikembangkan agar dapat menghasilkan medan magnet tinggi. The discovery of electromagnets has had a great influence on the development of science and technology, which is due to the magnetic nature that can be regulated so that it can provide practical benefits including electric motors, relays, generator power plants, and automatic door switches. In this study a design and design of an electromagnet in the form of a printed copper plate was formed in the form of a coin with a hole in the middle for an iron core. Each plate has an insulator that separates between each plate that is arranged in a thread so that a helical coil of copper plate is formed. The experimental results obtained that the electromagnetic design using a copper plate, can produce a magnetic field, 0 to 4 mTesla, with measurements using Gaussmeter. The implications of this study will have an impact on physics research and engineering science related to the use of electromagnets that are portable and compact, besides that they have the potential to be developed in order to produce high magnetic fields.
Electronic Signature in Provening the Criminal Act of Forgiveness Maman Budiman
Budapest International Research and Critics Institute-Journal (BIRCI-Journal) Vol 5, No 3 (2022): Budapest International Research and Critics Institute August
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birci.v5i3.6475

Abstract

The electronic signature abuser has violated the criminal law. The crime can be categorized as a criminal act of forgery as regulated in the Criminal Code Article 263 paragraph 1. To be subject to sanctions in Article 263 paragraph (1) of the Criminal Code, the forged letter must be a letter that can issue rights such as certificates, can issue an agreement such as an agreement. debt, can issue a debt such as a receipt and a letter that may be used as a statement for an act or event such as a birth certificate. The current development of authentic documents such as birth certificates, diplomas, sale and purchase certificates, payment receipts using electronic signatures, where the electronic signature may not be recognized by the original signature holder. From the background of the problem that will be studied by the author is whether electronic signatures are legal evidence in accordance with Article 184 paragraph 1 of the Criminal Procedure Code, and how to prove the authenticity of electronic signatures in criminal cases of forgery. The research method used in this paper is to use an interdisciplinary method that combines several legal sciences, such as criminal law, criminal procedural science and evidentiary law. The conclusion in this paper is that electronic signature evidence can be categorized as evidence as regulated in Article 184 paragraph 1 of Law Number 8 of 1981 concerning the Criminal Procedure Code because the results of a letter issued by the Criminal Laboratory of the Police Headquarters can be categorized as letter evidence because it is issued by an authorized institution. Proof of the authenticity of electronic signatures in criminal cases of forgery must be tested first at the Criminal Laboratory (Labkrim) of the National Police Headquarters (Mabes), whether the signature is authentic or not, after that it is matched with the original signature. After doing further research to see whether the signature is used as a signature.
Efek Annealing Pada Penumbuhan Film Tipis Ferroelektrik PbZr0,625Ti0,375O3 (PZT) Ngurah Ayu Ketut Umiati; Irzaman Irzaman; Maman Budiman; M. Barmawi
Indonesian Journal of Physics Vol 12 No 4 (2001): Vol. 12 No.4, Oktober 2001
Publisher : Institut Teknologi Bandung

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Abstract

Ferroelectric materials have many advantages including microactuator (piezoelectric properties), Dynamic Random Access Memory, DRAM (permitivity and polarisability) and infrared sensor (pyroelectric properties). PbZr1-xTixO3 (PZT) is ferroelectric materials, that can be piezoelectric and pyroelectric materials. In this experiment, annealing effect on growing process of thin films PbZr1-xTixO3 (PZT) using dc unbalanced magnetron sputtering is studies. PZT thin films were deposited at temperature 550oC – 650oC on Si (100) substrate with annealing condition and without annealing condition. Ratio of gas flow Ar/O2 was 50 sccm : 10 sccm, basic pressure was 0.051 Torr, and deposition pressure was 1.3 Torr. Annealing temperature was 650oC at pressure 0.58 Torr. The XRD results showed that annealing process caused crystal orientation of thin films more oddered. Some orientations that appear in the results without annealing process disappear after annealing process. This can also be seen in the morphological form of grain size PZT obtained from SEM characterization.
Studi Struktur Kristal Film Tipis Galliumantimony yang Ditumbuhkan dengan MOCVD Reaktor Vertikal Zulirfan Zulirfan; Euis Sustini; Maman Budiman
Indonesian Journal of Physics Vol 12 No 4 (2001): Vol. 12 No.4, Oktober 2001
Publisher : Institut Teknologi Bandung

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Abstract

GaSb thin films have been grown by using vertical reactor MOCVD on (100) SI-GaAs substrates. TMGa and TDMASb were used as a precursor of group III and V respectively, with H2 as gas carrier. Films were grown at the growth temperatures 5200C and 540 oC as a function of V/III ratio. The range of V/III ratio were 0,4 - 3,1. The ex-situ characterization, XRD and SEM were used to examine the crystal structure and the morphology of the films, respectively. EDS characterization were used to find the composition of Ga and Sb atoms in the films. The increased of V/III ratio were found to have a significant effect on the both properties. Film grown at the lowest V/III ratio (0,4) shows a polycrystal structure with several peaks of GaSb crystal’s orientation, and bad surface morphology. Films grown at V/III ratio ranged about 1.0 to 3.1 show the same crystal’s orientation of GaSb, of (200) and (400). The better surface morphology were found at the growth temperature 540 oC with V/III ratio 2,0.
Study of the Effect of Physical Parameters on Commercial Hydroponics Based on Internet of Things (IoT): A Case Study of Bok Coy Plants (Brassica rapa) and Water Spinach (Ipomoea Aquatica) Maman Budiman; Efraim Partogi; Ant. Ardath Kristi; Prianka Anggara; Nina Siti Aminah
Journal of Mathematical and Fundamental Sciences Vol. 54 No. 2 (2022)
Publisher : Directorate for Research and Community Services (LPPM) ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.math.fund.sci.2022.54.2.5

Abstract

Population growth causes the demand for food to increase. One solution that can be applied is agriculture with hydroponic technology. To increase production efficiency, one must know the physical parameters that most influence the production process. This research used an IoT system to gather accurate and precise measurement data of physical parameters to be used as a dataset for machine learning. The dataset consisted of light intensity, humidity, air temperature, and total dissolved solids (TDS). Plant growth was measured by leaf area of the plant, number of leaves, and plant stem length every 3 to 4 days. The models used in the machine learning process were linear regression, polynomial regression, and random forest regression. The machine learning results showed that the best model for predicting plant growth was random forest regression with an MAE of 8.3% and an R2 of 0.93, for both bok coy and water spinach. The variables that influence growth the most are TDS and light intensity. According to the relationship between TDS gradient and plant growth gradient, the most optimal growth can be achieved by raising the TDS gradient or by maintaining a high TDS, which can be achieved by adding nutrient solution to the tank regularly.
Asas Kerahasiaan Bank dalam Penyidikan Tindak Pidana Penggelapan Dikaitkan dengan Undang-Undang Nomor 8 Tahun 1981 tentang KUHAP Alifa Febiola Yasmin; Maman Budiman
Indonesian Journal of Criminal Law Vol. 6 No. 1 (2024)
Publisher : ILIN Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31960/ijocl.v6i1.2457

Abstract

This research aims to analyze the implementation of the bank secrecy principle which becomes an obstacle for the police in investigating embezzlement crimes. The study used is juridical-normative method with a qualitative analysis. Techniques of data collection using Statute Approach and library research. The source of law used includes primer, sekunder, and ternary data. Primary sources by reviewing the legislation. Secondary data is taken from the literature in the field of law as well as expert opinions of scholars. Tertiary data through interview guidelines with investigators of the Criminal Investigation Unit at the Bandung City Police Resort. The results show that banking has a very strict confidentiality principle; police investigations experience obstacles related to the application of the principle of bank secrecy; and there is an imbalance between the Banking Law and the Criminal Procedure Code, causing confusion for banks and police investigators.
Development of twig dryness sensor for internet of things-based peatland fire early detection system Muid, Abdul; Aminah, Nina Siti; Budiman, Maman; Djamal, Mitra
International Journal of Electrical and Computer Engineering (IJECE) Vol 15, No 2: April 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v15i2.pp1532-1543

Abstract

Peatland fires are a severe threat to the global environment. Existing peatland fire early detection systems commonly detect parameters such as air temperature, humidity, gas, smoke, and fire. This paper proposes a new peatland fire early detection method using the twig moisture content parameter. This method utilizes the most significant parameter approach for fire vulnerability compared to current peatland fire early detection systems. In particular, we developed an internet of things (IoT)-based twig dryness sensor to realize a field-applicable system. We propose a twig dryness sensor using the resistive sensing method, which employs a needle electrode to measure twig moisture content. Using the twig dryness sensor, three classifications of flammability were obtained, namely very difficult (moisture above 30%), difficult (moisture between 5%-30%) and easy (moisture less than 5%). This device utilizes readily available compact and portable materials. This instrumentation is digitally controlled with a low- power consumption microcontroller and long range (LoRa) transmitter, providing a long-life battery and long-range data transmission. Sensor data visualization is presented as twig dryness values and categorized according to fire vulnerability levels. The proposed system provides real-time and sustainable measurement.
PENERAPAN PASAL 5 AYAT (1) HURUF B UNDANG-UNDANG PEMBERANTASAN TINDAK PIDANA KORUPSI Budiman, Maman
Jurnal Yudisial Vol. 13 No. 1 (2020): REASON AND PASSION
Publisher : Komisi Yudisial RI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29123/jy.v13i1.391

Abstract

ABSTRAKHakim mempunyai kebebasan untuk menjatuhkan putusan pemidanaan dan menentukan jenis pemidanaan berdasarkan fakta-fakta yang terungkap dalam persidangan. Sebagai contoh tindak pidana korupsi atas nama terdakwa GR, hakim menjatuhkan putusan menggunakan Pasal 5 ayat (1) huruf b Undang-Undang Nomor 20 Tahun 2001 tentang Perubahan Undang-Undang Nomor 31 Tahun 1999 tentang Pemberantasan Tindak Pidana Korupsi. Dengan pertimbangan bahwa terdakwa GR terbukti memberikan uang suap terkait promosi jabatan di Pemerintah Kabupaten Cirebon kepada SP selaku Bupati Cirebon. Metode penelitian yang digunakan adalah penelitian hukum normatif dengan mengkaji dan meneliti peraturan-undangan dan putusan pengadilan tipikor tingkat pertama. Hasil analisis menyimpulkan bahwa majelis hakim tidak tepat menjatuhkan Putusan Nomor 119 / Pid. Sus-TPK / 2018 / PN.Bdg kepada terdakwa GR dengan menerapkan Pasal 5 ayat (1) huruf b. Seharusnya hakim menjatuhkan putusan lepas dari perintah hukum kepada GR yang terdakwa, karena perbuatan yang memberikan uang tersebut adanya pengaruh daya paksa untuk menuruti keiginan SP selaku pimpinan GR. Oleh karena itu perbuatan GR termasuk alasan yang cukup untuk memilihkan.Kata kunci: suap; daya paksa; lepas dari segala rahasia. ABSTRAKHakim memiliki keleluasaan untuk menjatuhkan hukuman dan menentukan jenis hukuman berdasarkan fakta yang terungkap di persidangan. Misalnya, dalam kasus korupsi terdakwa GR, hakim menjatuhkan putusan dengan menggunakan Pasal 5 ayat (1) huruf b Undang-Undang Nomor 20 Tahun 2001 tentang Perubahan atas Undang-Undang Nomor 31 Tahun 1999 tentang Pemberantasan Tindak Pidana Korupsi. Majelis hakim menilai, terdakwa terbukti memberikan suap terkait kenaikan jabatannya di pemerintahan kabupaten Cirebon kepada Bupati Cirebon saat itu. Dengan menggunakan metode penelitian hukum normatif, penulis menyimpulkan bahwa majelis hakim tidak tepat ketika memutus Putusan Nomor 119 / Pid.Sus-TPK / 2018 / PN.Bdg karena menggunakan Pasal 5 ayat (1) huruf b. Sebagai gantinya, seharusnya hakim menjatuhkan putusan dengan putusan bebas dari semua tuntutan hukum terhadap terdakwa karena perbuatannya memberikan uang adalah karena terpaksa menuruti keinginan SP sebagai atasan GR. Dengan demikian, tindakan GR memiliki alasan yang cukup untuk mendapatkan penghapusan pidana.Kata kunci: suap; paksaan; bebas dari semua pungutan.
Determining Forest Fire Position from UAV Photogrammetry using Color Filtration Algorithm Muid, Abdul; Evita, Maria; Aminah, Nina; Budiman, Maman; Djamal, Mitra
JOIV : International Journal on Informatics Visualization Vol 6, No 4 (2022)
Publisher : Society of Visual Informatics

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/joiv.6.4.956

Abstract

Forest fires frequently happen worldwide, especially in the dry season. A forest fire early warning system (EWS) is needed to prevent this disaster. The main part of EWS is the hotspot detection system. On the other side, Unmanned Aerial Vehicle (UAV) technology offers an alternative solution to detect the hotspot for poor satellite image processing accuracy. Remote sensing techniques with UAV working drones are progressively challenging. Drones can provide results in 2D and 3D images with high resolution and real-time. Therefore, in this research, we have used a photogrammetry application from the number of images collected by a UAV with an optimum flight plan for the mission to determine the location of the forest fire. This paper describes remote sensing experiments using drones to detect land fires. The experiment was carried out using a quadcopter drone of the DJI Phantom 4 Pro. The photos are processed using Agisoft Metashape Professional image processing software and become a 2D image. These images captured a fire simulation in a known location. After a high resolution (GSD – Ground Sampling Distance – 0.87cm/px) orthophoto had been generated, a color filtration algorithm detected a hotspot to detect a fire at the exact location. The results are almost zero deviation of longitude and latitude from the real location with 1.44 m2 and 1.06 m2 fire area from 2 experiments. This algorithm program has TPR and FPR are 0,78 and 0, respectively. Further research can develop an EWS with a combination of UAV and Wireless Sensor Networks.
Co-Authors A Adnan A. Suhandi A. Suhendi Abdul Muid Abdul Muid Aditya Alviori Agus Subagio Agus Subagio Alifa Febiola Yasmin Aminah, Nina Siti Ant. Ardath Kristi Arif Surachman Bambang Ariwahjoedi Bambang Ariwahjoedi Beny Agustirandi Budi Mulyanti Darsikin Darsikin Edi Supriyanto Edy Supriyanto Efraim Partogi Endah Rahmawati Euis Sustini Evita, Maria Fitri Suryani Arsyad Goib Wiranto Heri Sutanto Hery Sutanto Horasdia Saragih Husein H Iis Nurhasanah Inayatul Inayah Indra Wahyudin Fathonah Irzaman, Irzaman Khairurrijal Khairurrijal Lilik Hasanah lis Nurhasanah M. Barmawi Mikrajuddin Abdullah Mikrajuddin Abdullah Mikrajudin Abdullah Mitra Djamal Mitra Djamal Moehamad Barmawi Moehammad Barmawi Mohamad Barmawi Muhamad Barmawi Muhamamad Reza Ramadhani Raharjo Ngurah Ayu Ketut Umiati Nina Aminah, Nina Nina Siti Aminah Nur A. Aprianti Pepen Arifin Prianka Anggara R Riyanto Riska Ekawita Sony Wardoyo Sugianto - Sukirno . Sukirno Sukirno Sukirno Sukirno Sukirno Sukirno Sukirno Sukirno Suprijadi Suprijadi Suprijadi Suprijadi Yulia Fitri Zulirfan Zulirfan