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Putra, Agfianto Eko

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Putra
First name
Agfianto Eko
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  • Desain dan Implementasi On-Board Computer/ On-Board Data Handling (OBDH) pada UGM-SAT

     The engineering model of OBDH for UGM-SAT was designed to control data handling program and tointerface the satellite subsystems to OBDH. The OBDH’s based on the Microchip microcontroller PIC16F877A with 20 Mhz clock speed. The system’s equipped with four external 24LC512 EEPROM’s with a storage capacity of 256 kB. The external memories’re used to store housekeeping information. The system’s equipped with a ACS712ELCTR-05B-T current sensor, voltage sensor and LM335Z temperature sensor. The a...

    Sistem Kontrol Keseimbangan Statis Robot Humanoid Joko Klana Berbasis Pengontrol PID

    AbstrakPengontrol Proporsional – Intergral - Derivatif  merupakan kontrol loop umpan balik umum yang digunakan secara luas dalam sistem kontrol industri. Pengontrol PID menghitung nilai eror sebagai perbedaan antara variabel proses terukur dan nilai yang diinginkan. Pengontrol akan mengurangi eror dengan mengatur masukan kontrol proses.Subsistem yang telah dibuat yaitu sistem kontrol keseimbangan robot humanoid Joko Klana berbasis Pengontrol PID sederhana menggunakan akselerometer ADXL202 seb...

    Purwarupa Perangkat Keras untuk Eksekusi Algoritma AES Berbasis FPGA

     AES cryptography algorithm is a tool which often using to protect confidentiality of data.Confidentiality of data is principle parameter of data security in various system. Data security achieve by collaborated AES algorithm with another cryptosystem tools. Therefore, limited resource hardware to excecuteAES algorithm is very important.            This research proposed hardware prototype for excecuting AES algorithm based on FPGA. Optimumresource utilizing become basic priority in this desi...

    Rancang Bangun Spectrum Analyzer Menggunakan Fast Fouier Transform Pada Single Board Computer

    Spectrum analyzer is an instrument device to measure the magnitude of the frequency and the power of signal. It has many benefits, such as used for testing telecommunication devices, determining the allocation of unused frequencies and also for practicum in schools or universities. However, because of these many benefits, the price of this signal measuring equipment soared in the market.As an alternative, a device that can serve as spectrum analyzer yet has an affordable price is invented in ...

    Purwarupa Portable Global Positioning System

    AbstrakTelah dibuat sebuah sistem GPS portable menggunakan receiver GPS serta tampilan LCD 128X64. Sistem ini dapat membantu pengguna untuk mengetahui posisi mereka berada agar tidak tersesat. Sistem ini menampilkan data latitude, longitude, kecepatan dan waktu yang ditampilkan pada LCD 128X64. Sehingga pengguna bisa mengetahui posisi mereka dengan melihat posisi garis lintang dan garis bujur. Sistem ini dibuat dengan menggunakan mikrokontroler ATmega32 sebagai pemroses, GPS receiver Polstar ...

    Metode Stereo Cancelation untuk Vocal Removal pada Lagu Pop, Rock, dan Jazz

    Penelitian ini mengujikan metode stereo cancelation kepada tiga jenis aliran musik yang sering didengarkan oleh orang-orang yaitu aliran pop, rock, dan jazz. Pengujian bertujuan untuk mengetahui efektivitas/keakuratan metode stereo cancelation terhadap cara bernyanyi yang berbeda-beda. Ketiga aliran musik tersebut mempunyai karakter cara bernyanyi yang berbeda pula. Analisis keakuratan dilakukan dengan dua cara, yaitu dengan analisis spektrum frekuensi dan menggunakan survei kepada para pemus...

    Purwarupa Alat Ukur Daya Listrik Berbasis Netduino Plus

    Along with the development of technology a lot of methods of current, voltage and power factor measurement are developed. In this research is developing innovative instrumentation systems that use electrical power measuring devices that can be accessed online so that information on the number of power consumption and the amount of the bill can be accessed through the website . This system was designed using the Netduino Plus, ACS712 5A as sensor for detecting current and also use voltage gaug...

    Electronic Power System untuk Satelit Nano

    AbstrakSebuah electronic power system telah dirancang dan diimplementasikan untuk menyimpan dan menyalurkan energi listrik. Electronic power system merupakan bagian penting dari satelit yang berfungsi untuk menghasilkan, menyimpan dan menyalurkan listrik. Apabila terjadi kegagalan pada electronic power system, maka seluruh sub sistem yang mendapatkan pasokan daya akan mengalami gangguan. Electronic power system satelit nano yang diteliti berbasis  mikrokontroller keluarga AVR, ATMega 8. Siste...

    Balancing Robot Menggunakan Metode Kendali Proporsional Integral Derivatif

                Center of gravity’s inverted pendulum is located above its pivot point therefore inverted pendulum is unstable. Specific control is needed so that inverted pendulum stable which is by move the cart where the pendulum is mounted. Inverted pendulum application can be found in balancing robot. The purpose of this research is to design a system to control a two wheeled robot using the control system to balance it.The inputs are accelerometer to measure angular acceleration (m/s2) and ...

    Analisis Perkiraan TDOA menggunakan Algoritma LMS Adaptif pada Pelacakan Paus Lodan

    Research on TDOA estimation in sperm whale tracking has been done [1] that uses the Teager - Kaiser operator in improving accuracy the TDOA estimation using adaptive LMS algorithm on sperm whale tracking. However, further researches on the right convergence factor (μ) (fast and accurate) in TDOA estimation using adaptive LMS algorithms for sperm whale tracking have not been performed. Will be analyzed the TDOA estimation using adaptive LMS algorithm in sperm whale tracking with the variation ...
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