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ITS » Undergraduate Theses » Teknik Mesin
Posted by tondoindra@gmail.com at 29/11/2011 14:00:02  •  1910 Views


PEMODELAN DAN SIMULASI RESPON PENDULUM AKIBAT EKSITASI HARMONIK GELOMBANG LAUT PADA PEMBANGKIT LISTRIK TENAGA GELOMBANG LAUT SISTEM PENDULUM-PONTON DATAR

MODELING AND SIMULATING THE SEA WAVE ELECTRIC GENERATOR EXCITED BY HARMONIC FORCE PENDULUM-FLAT PONTOON MODEL

Author :
NOERPAMOENGKAS, ARDI  ( 2106100101 )




ABSTRAK

Indonesia memiliki potensi pengembangan sumber daya kelautan yang sangat besar karena Indonesia adalah negara kepulauan terbesar di dunia. Salah satu potensi tersebut adalah potensi energi dari gelombang laut. Salah satu pengembangan energi dari laut tersebut adalah studi pemodelan pembangkit listrik tenaga gelombang laut sistem pendulum ponton datar. Pada model ini gelombang laut akan membuat miring ponton datar kemudian memutar pendulum untuk dikonversikan ke dalam energi listrik oleh generator. Model simulasi respon pendulum non linear akan divalidasi model simulasi numerik hasil linearisasi dengan memperhatikan error periode respon pendulum antara kedua model pada sudut simpangan yang kecil. Setelah dianggap valid model simulasi respon pendulum non linear diuji coba dan dianalisa dengan input redaman torsional 0005 N.srad variasi input massa pendulum 5 10 15 dan 20 kg panjang pendulum 1 15 2 dan 25 m dan frekuensi gelombang sudut kemiringan lempeng ponton datar 0111 0167 dan 0333 Hz. Penyelesaian numerik non linear dan hasil linearisasi dari respon perputaran pendulum disimulasikan dengan bantuan toolbox Simulink software Mathlab. Hasil simulasi numerik non linear dari respon perputaran pendulum menunjukkan error periode yang kecil dibandingkan hasil simulasi numerik hasil linearisasi sehingga simulasi valid dengan sudut simpang awal yang semakin kecil massa pendulum tidak signifikan mempengaruhi respon pendulum terutama pada redaman torsional kecil semakin panjang pendulum semakin kecil nilai maksimum respon kecepatan dan percepatan putar pendulum semakin tinggi frekuensi semakin tinggi respon awal kecepatan dan percepatan putar pendulum dan ketidakteraturan respon pendulum hasil uji coba simulasi disebabkan perubahan posisi kesetimbangan dan perubahan besar sudut simpangan awal pendulum terhadap posisi kesetimbangan tersebut.


ABSTRACT

Indonesia has plenty of sea potential resources because Indonesia is the biggest group of archipelago in the world. One of them is sea wave potential energy. Its development has reached sea wave electric generator model with pendulum-flat pontoon system. In this model the sea wave will incline the flat pontoon. Which in turn it will rotate the pendulum and be converted into electricity with the generator. Non linear pendulum response model has been validated with linear one by comparing pendulum response period error for small gap. After validating It will be tested and then analyzed with 0005 N.m.srad of torsional damping 5 10 15 and 20 kg of pendulum mass variations 1 15 2 and 25 m of pendulum length variations and 0111 0167 and 0333 Hz of slope frequency variations.These solutions are simulated with Simulink Matlab.The non linear pendulum response simulation results showed small period error when compared to the linearization results so that the simulation is valid with smaller initial angular deviation. The pendulum mass affects the pendulum response insignificantly especially at small torsional damping. The longer pendulum length will make the maximum pendulum angular velocity and acceleration response value smaller. The higher slope frequency of flat pontoon will make the angular velocity and acceleration greater for beginning. The simulation results irregular pendulum response because of steady position and initial angular deviation changes.



Keywordspembangkit listrik tenaga gelombang laut; simulasi; respon pendulum; solusi non linear
 
Subject:  Pendulum
Contributor
  1. Dr.Eng. Harus Laksana Guntur, ST., M.Eng.
Date Create: 17/02/2011
Type: Text
Format: pdf
Language: Indonesian
Identifier: ITS-Undergraduate-3100011043606
Collection ID: 3100011043606
Call Number: RSM 531.324 Noe p


Source
Undergraduate Thesis,Mechanical Enginering,RSM 531.324 Noe p, 2011

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Copyright @2011 by ITS Library. This publication is protected by copyright and per obtained from the ITS Library prior to any prohibited reproduction, storage in a re transmission in any form or by any means, electronic, mechanical, photocopying, reco For information regarding permission(s), write to ITS Library




[ Download - Open Access ]

  1.  ITS-Undergraduate-16348-2106100101-abstract-idpdf.pdf - 179 KB
  2.  ITS-Undergraduate-16348-2106100101-abstract-enpdf.pdf - 181 KB
  3.  ITS-Undergraduate-16348-2106100101-conclusionpdf.pdf - 176 KB




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