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All Journal International Journal of Electrical and Computer Engineering JOURNAL AGRIBUSINESS JOIV : International Journal on Informatics Visualization Jurnal Otomasi Kontrol dan Instrumentasi WAJAH HUKUM Jurnal Yudisial Indonesian Journal of Criminal Law Pena Justisia: Media Komunikasi dan Kajian Hukum Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Interdisciplinary Social Studies PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL)
Maman Budiman
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Religion Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Physics Public Health Social Sciences Other

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THE IMPLEMENTATION OF DISAGGREGATION ALGORITHM IN THE ANALYSIS OF ENERGY CONSUMPTION BASED ON THE INTERNET-OF- THINGS TECHNOLOGY Husein H; Aditya Alviori; Maman Budiman; Mitra Djamal
AGRIBUSINESS JOURNAL Vol 13, No 1 (2019): AGRIBUSINESS JOURNAL
Publisher : Departement of Agribusiness Faculty of Science and Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (537.936 KB) | DOI: 10.15408/aj.v13i1.11869

Abstract

The effort to reduce the mass energy usage without involvement of consumers is not effective. Thereby, creating a pathway for anyone of consumer to be much more involved in the energy-saving effort. The implementation of disaggregation algorithm in the analysis of energy consumption is to recognize when and which appliance has the largest energy consumption and being able to control the state of all appliances from anywhere. In this research, the principle of disaggregation is event-based and low-sampling data frequency. A KWH-meter is used to send power data to the cloud server via MQTT protocol. The cloud server gathers the energy-consumption data, analyses them and then disaggregates them. The output of the disaggregation algorithm would tell the state (on/off), the average power and the percentage of energy consumed by each appliances. The output will then be sent from the cloud server to Android Apps via MQTT protocol. Then the consumer can easily access and control the energy consumption from their smartphone after knowing it through the disaggregation algorithm.
A Simple Microcontroller-Based 4-20 mA Current Loop Receiver for Sensors with Current Transmitters Arif Surachman; A. Suhendi; Maman Budiman; Mikrajuddin Abdullah; Khairurrijal Khairurrijal
Jurnal Otomasi Kontrol dan Instrumentasi Vol 2 No 1 (2010): Jurnal Otomasi Kontrol dan Instrumentasi
Publisher : Pusat Teknologi Instrumentasi dan Otomasi (PTIO) - Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/joki.2010.2.1.2

Abstract

A current loop receiver system based on a microcontroller has been developed. The current loop receiver system can serve 8 gas sensors with 4-20 mA outputs, which are handled by employing a multiplexer. The data acquisition of the system is composed of a common operational amplifier-based current loop receiver, a CD4051 multiplexer, an ADS7822 serial analog to digital converter (ADC), and an AT89S52 microcontroller. The measured gas concentration is displayed on the 7-segments or transmitted to a personal computer via the RS232 serial communication to be processed by the Microsoft Excel. Additional functions such as gas concentration level warning and error code display are also provided. Keywords:4-20 mA, Current loop, Microcontroller, Receiver, Transmitter
Sistem Kontrol Otomatik Pembatasan Daya Listrik Berbasis Mikrokontroler PIC18F4520 Nur A. Aprianti; Indra W. Fathona; Suprijadi Suprijadi; Maman Budiman; Khairurrijal Khairurrijal
Jurnal Otomasi Kontrol dan Instrumentasi Vol 2 No 2 (2010): Jurnal Otomasi Kontrol dan Instrumentasi
Publisher : Pusat Teknologi Instrumentasi dan Otomasi (PTIO) - Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/joki.2010.2.2.6

Abstract

Sistem kontrol otomatik yang diterapkan untuk membatasi daya listrik telah dirancang dan dikembangkan berbasis mikrokontroler PIC18F4520. Dalam melakukan pengontrolan, sistem tersebut menggunakan aksi kontrol on-off. Sebagai aktuator digunakan Triac beserta drivernya sedangkan sensornya menggunakan sensor arus berbasis efek Hall. Sistem tersebut dilengkapi keypad untuk memasukkan set point arus dan peraga LCD untuk memantau arus yang terukur. Dari pengujian yang telah dilakukan, ditunjukkan bahwa sistem telah berjalan baik. Aksi kontrol PID (proporsional-integral-diferensial) disarankan menggantikan on-off untuk pengontrolan yang lebih baik. Kata kunci: Aksi kontrol on-off, Kontrol otomatik, Mikrokontroler PIC18F4520, Pembatas Daya, Sensor efek Hall, TriacAbstractAutomatic control system for controlling the electronic power has been designed and developed based on microcontroller PIC18F4520 and on-off control action. This system uses Triac and its driver as an actuator and Hall Effect-based current sensor. This system also provided with a keypad to enter the set point current and LCD display to monitor the flow measured. From the testing that has been conducted, it was showed that the system has been running well. PID (proportional-integral-differential) controller is suggested to replace the on-off controller for better controlling.  Keywords:  on-off control action, Automatic control, Microcontroller PIC18F4520, Power restrain, Hall Effect sensor, Triac
Pengembangan Universal Audio Scrambler Menggunakan Teknik Orthogonal Frequency Division Multiplexing (OFDM) Maman Budiman; R Riyanto; Y Fitri; A Adnan
Jurnal Otomasi Kontrol dan Instrumentasi Vol 3 No 1 (2011): Jurnal Otomasi Kontrol dan Instrumentasi
Publisher : Pusat Teknologi Instrumentasi dan Otomasi (PTIO) - Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/joki.2011.3.1.6

Abstract

AbstrakTelah didesain sebuah alat universal audio scrambler menggunakan teknik OFDM yaitu suatu teknik modulasi yang menggunakan banyak frekuensi (multicarrier) yang saling tegak lurus (orthogonal). Teknik ini dilakukan dengan menggunakan transformasi Fourier balik (Invers Fast Fourier Transform/IFFT) yang mengubah domain frekuensi menjadi domain waktu pada bagian pemancar (transmitter) sedangkan pada penerima menggunakan tranformasi Fourier (Fast Fourier Transform/FFT) untuk mendapatkan kembali sinyal dalam domain frekuensi. Frekuensi output dari transmitter  didesain berada pada daerah frekuensi audio dengan bandwith 2,4 kHz sehingga dapat diterapkan pada berbagai jenis alat komunikasi. Alat ini menggunakan kompresi suara CVSD dengan ratio 1:8 dan mapping 16PSK untuk memperkecil jumlah bit data.  Kecepatan transfer data (data rate) alat ini adalah 8 kbps. Desain juga diuji performanya terhadap variasi noise pada kanal transmisi dan terhadap frekuensi offset akibat efek doppler. Hasilnya, desain bekerja baik pada SNR di atas 60 dengan toleransi frekuensi offset sebesar 5 Hz.       Kata kunci: audio scrambler, OFDM, IFFT/FFT, 16PSK, CVSD.AbstractUniversal audio scrambler has been designed using OFDM technique, a modulation technique which uses multi-frequency (multi-carrier) that is orthogonal to each other. This technique is performed using Invers Fast Fourier Transformation (IFFT), which changes the frequency domain into time domain at the transmitter, while the receiver using Fast Fourier Transformation (FFT) to get the signal back in the frequency domain. The output frequency of the transmitter is designed to be in the audio frequency area (2.4 kHz bandwidth), so that it can be applied to various types of communication tools. This tool uses CVSD voice compression with 1:8 ratios and 16PSK mapping to minimize the number of data bits. Data transfer speed (data rate) for this tool is 8 kbps. The design was also tested its performance against the variation of noise in transmission channels and the frequency offset due to Doppler effect. As a result, the design works well at SNR above 60 with a tolerance offset frequency of 5 Hz.      Keywords: audio scrambler, OFDM, IFFT/FFT, 16PSK, CVSD.
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.
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.
The Concept of Criminalization of Judicial Negligence: The Merit System and Decision Evaluation as Judicial Reform Turnip, Robert Febriyanto; Budiman, Maman
Interdisciplinary Social Studies Vol. 4 No. 4 (2025): Regular Issue: July-September 2025
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/iss.v4i4.913

Abstract

The failure of the supervision system and sanctioning mechanisms to address the negligence of judges has created an urgent need to reform the justice system. Disparities in the independence and accountability of judges create accountability gaps in the justice system. This study uses a juridical-normative approach to analyze positive legal norms, legal principles, and the systematics of laws and regulations related to the accountability of judges for negligence in deciding criminal cases. This study reconceptualizes culpa lata into two categories: negligence that leads to KKN, using the Theory of Rational Choice, Theory of Opportunity, and the Theory of White Collar Crime based on motives and manipulation attempts. Non-KKN Negligence, in the first phase, examines the individual level based on Social Control Theory. The second phase analyzes the failure of the supervisory system to function at the institutional level using the Theory of Sociological Institutionalism and the Theory of Rational Choice Institutionalism. The findings suggest that criminalizing culpa lata is a last resort. Therefore, the authors propose an integrated concept consisting of three components: the evaluation of AI-based judgments synergized with the merit system as a tool for detecting negligence, the special court as the final judicial forum, and the criminalization of culpa lata as a sanction mechanism. This concept aims to balance judicial independence with accountability through effective and organized mechanisms in order to restore public trust and realize the role of the Supreme Court in Indonesia.
Perluasan Alat Bukti Petunjuk dalam Tindak Pidana Pencucian Uang dari Tindak Pidana Asal Korupsi Nurdiana, Gilang; Budiman, Maman
Wajah Hukum Vol 9, No 2 (2025): Oktober
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/wjh.v9i2.1975

Abstract

This article will examine circumstantial evidence in money laundering crimes and the expansion of circumstantial evidence in money laundering crimes from the original crime of corruption. The research method applies descriptive analytical research specifications and uses a normative legal research approach. The research data collection technique was obtained from literature and document studies. The data obtained was then analyzed qualitatively from a legal perspective, emphasizing legal analysis with formal thinking concepts and presented in the form of arguments. The results of the study show that circumstantial evidence in money laundering crimes can be obtained from evidence as referred to in Article 188 (2), namely witness testimony, letters, defendant testimony, and electronic evidence as referred to in Article 73 letter b of Law No. 8 of 2010 concerning the Prevention and Eradication of Money Laundering Crimes. The expansion of circumstantial evidence needs to be pursued by expanding the evidence that serves as preliminary evidence of suspicious financial transactions with electronic evidence in the form of derived evidence, which will be useful in determining legal steps in the form of investigations or in proving cases in court, and needs to be reinforced with statements from financial transaction analysis experts.
Co-Authors A Adnan A. Suhendi Abdul Muid Aditya Alviori Agistra, Dzulfiqar Rizqan Alifa Febiola Yasmin Aminah, Nina Siti Arif Surachman Evita, Maria Husein H Indra Wahyudin Fathonah Khairurrijal Khairurrijal Maruf, Irma Rachmawati Mikrajuddin Abdullah Mitra Djamal Nina Aminah, Nina Nur A. Aprianti Nurdiana, Gilang R Riyanto Sony Wardoyo Suprijadi Suprijadi Suprijadi Suprijadi Turnip, Robert Febriyanto TUTI RASTUTI Yogi Yogaswara Yulia Fitri Zalinda, Putrì Mety