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INDONESIA
Jurnal Mahasiswa TEUB
Published by Universitas Brawijaya
ISSN : -     EISSN : -     DOI : -
Core Subject : Education,
Education
Arjuna Subject : -
Articles 25 Documents
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Search results for , issue "Vol 3, No 3 (2015)" : 25 Documents clear
PENGENDALIAN KECEPATAN PUTARAN MOTOR DC UNTUK PEMOTONGAN STYROFOAM SECARA LINEAR MENGGUNAKAN KONTROLER PROPORSIONAL INTEGRAL DIFERENSIAL (PID) BERBASIS MIKROKONTROLER ATMEGA 328 Ventario Amanda; n/a Purwanto; Bambang Siswojo
Jurnal Mahasiswa TEUB Vol 3, No 3 (2015)
Publisher : Jurnal Mahasiswa TEUB

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Abstract

Pesawat aeromodelling saat ini cukup digemari sebagai hobby yang seru dan menantang. Salah satu unsur pembuat badan pesawat model adalah styrofoam. Styrofoam ringan namun kuat. Untuk membentuk badan pesawat model (fuselage) perlu digunakan alat pemotong styrofoam yang mampu memotong styrofoam secara linear. Oleh karena itu digunakanlah metode pemotongan dengan kawat panas (hotwire) dengan memanfaatkan sifat styrofoam yang akan meleleh jika dipanaskan. Untuk itulah dirancang suatu alat pemotong styrofoam yang menggunakan metode pemotongan dengan hotwire dimana motor DC menggerakkan hotwire ke koordinat X/Y. Motor DC dikontrol dengan mikrokontroler dengan feedback kecepatan yang berasal dari sensor optocoupler sehingga diperoleh hasil kecepatan pemotongan styrofoam yang sesuai dengan yang dibutuhkan oleh pemotongan.Motor DC yang digunakan adalah motor DC 24V, menggunakan mikrokontroler atmega328 sebagai kontrolernya. Sistem bekerja sesuai spesifikasi yang di inginkan. Setelah dilakukan pengujian open loop dan dilakukan analisis penentuan kontroler maka di dapatkan Kp = 3,4, Ki = 5,67 dan Kd = 0,51. Dari hasil pengujian secara closed loop diperoleh Time overshoot sebesar 0,6 detik, Settling Time sebesar 0,45 detik, Steady State sebesar 0,9 detik, Overshoot Error Recovery Time sebesar 400mS. Error yang terjadi masih mampu membuat alat menghasilkan pemotongan yang baik.Kata kunci : Motor DC, Kecepatan Putaran, Styrofoam, Optocoupler
ANALISIS PENGARUH MONITORING MENGGUNAKAN PORT MIRRORING TERHADAP PERFORMANSI JARINGAN UNTUK LAYANAN VIDEO ON DEMAND (VoD) MELALUI MEDIA SERAT OPTIK Intan Pranestya Rahayu; Sholeh Hadi Pramono; Endah Budi Purnomowati
Jurnal Mahasiswa TEUB Vol 3, No 3 (2015)
Publisher : Jurnal Mahasiswa TEUB

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Abstract

Layanan Video on Demand (VoD) adalah salah satu jenis layanan internet video yang setiap tahunnya mengalami kenaikan permintaan bandwidth. Tuntutan tersebut menjadikan serat optik sebagai media tranmisi utama yang digunakan untuk jaringan yang luas. Selain media transmisi, perangkat switching merupakan salah satu bagian utama dari jaringan komputer agar dapat berkomunikasi satu sama lain. Switch Manageable menyediakan fitur port mirroring yang digunakan untuk monitoring trafik switch dengan capturing trafik menggunakan bantuan Network Protocol Analyzer. Konfigurasi port mirroring pada switch berbasis nomor port switch, sehingga trafik pada port switch yang diamati akan diduplikasi oleh switch dan hasil duplikasi tersebut kemudian dikirim ke port mirroring. Hasil penelitian saat jam tidak sibuk dan sibuk menunjukkan bahwa pada penerapan port mirroring terjadi penurunan performansi jaringan saat jumlah port yang diamati melalui port mirroring bertambah. Throughput terkecil pada saat 4 port yang diamati yaitu sebesar 3,361 Mbps dan 3,243 Mbps. Packet Loss terbesar pada saat 4 port yang diamati yaitu sebesar 0,552% dan 4,140%. Delay end-to-end maksimum terbesar pada saat 4 port yang diamati yaitu sebesar 108,43 ms dan 113,03 ms.Kata Kunci – Monitoring, Port Mirroring, VoD, Performansi, Throughput, Packet Loss, Delay.
Pengaruh Variasi Waktu Pemanggangan Titanium (TiO2) Terhadap Daya Keluaran Dye-Sensitized SOlar Cell (DSSC) Azif Fuad Fahruddin; Sholeh Hadi Pramono; Eka Maulana
Jurnal Mahasiswa TEUB Vol 3, No 3 (2015)
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Abstract

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RANCANG BANGUN LAYANAN REAL TIME STREAMING PROTOCOL(RTSP) VIDEO ON DEMAND(VoD) PADA CLOUD COMPUTINGMENGGUNAKAN VARIASI NOMOR PORT Nugraha, Septian Adi; Pramono, Sholeh Hadi; Mustofa, Ali
Jurnal Mahasiswa TEUB Vol 3, No 3 (2015)
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Abstract

Streaming Video on Demand (VoD) is one of the best way to enjoy entertainment on the Internet. High-speed Internet is required to be able to enjoy streaming VoD. The high speed internet available today boosted the VoD usage trends. However, there were cases when client could not streaming VoD because the portnumber is being blocked by firewall. In order to solve this problem VoD providers must be able to provide their service using another port. The purpose of the research was to understand the performance of QoS streaming VoD using non-standard portnumbers by IANA. The purpose of using cloud computing was to reduce cost of the research. The results showed that using variation of the portnumber on VoD didn’t have any effect to the parameters of throughput and delay but on packet loss there were fluctuations occurs almost throughout experiments. The value of throughput was 2.82 Mbps. This value haven't changed for all configurations. The value of delay for two users using portnumber 80; 443 and 554 was 85.4 ms; 86.2 ms and 86.4 ms, while for 4 users using portnumber 80; 443 and 554 was 85 ms; 86.6 ms and 85.2 ms. And value of percentage average packet loss for two users using portnumber 80; 443 and 554 was 0.021%; 0.046% and 0.001%, while for four users using portnumber 80; 443 and 554 was 0.02%; 0.145% and 0.135%.Index Terms—Cloud Computing, PortNumber, QoS, VoD.
REAL-TIME PID LINE FOLLOWING ALGORITHM FOR ARROW-BOT Mirza Asrofi; M. Aziz Muslim; Mochammad Fauzi B. Zakaria
Jurnal Mahasiswa TEUB Vol 3, No 3 (2015)
Publisher : Jurnal Mahasiswa TEUB

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Abstract

Arrow-bot is a line following robot that have three infrared (IR) sensors and two direct current (DC) motors as configured for differential wheel drive. Its main controller is an ATmega328, which has Arduino UNO bootloader. All line following robots ideally should have a capability to follow the line with accurate, smooth and fast response. The easiest way, to create a line following algorithm is based on bang-bang controller that is providing the robot turn a fixed amount in a particular direction according to the line sensor. However, the robot movement is not smooth and accurate to follow the line. Therefore, it needs an efficient control system algorithm and in this project, the proportional-integral-derivative (PID) controller is used to improve the robot performance. In addition, a few approach has been studied to acquire more accuracy of line data either by using digital or analog sensor concept. Besides, a real-time operating system (RTOS) is used to produce logical and temporal correctness of PID calculation. This RTOS implementation relies on ChibiOS/RT library for AVR microcontroller. As a result, the Arrow-bot performs well when implement PID RTOS with analog sensors concept. In conclusion, the line following robot, Arrow-bot with PID algorithm has accurate, smooth, and fast response capability to navigate along the line compared to bang-bang controller algorithm.Key words-Robot,Line follower, RTOS, PID, ChibiOS.

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