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ITS » Research Report » Teknik Fisika S1
Posted by dwi at 05/02/2008 16:24:35  •  19013 Views


PERANCANGAN KONTROLER BERBASIS KEPAKARAN PADA SISTEM NON LINIER STUDI KASUS OTOMOTIF

Author :
Aulia Siti Aisjah 




ABSTRAK

Pada putaran idle putaran mesin pada gigi netral mesin sering terjadi ketidaksesuaian antara kebutuhan dengan suplai campuran bahan bakar dan massa udara untuk kecepatan putar mesin dan pembebanan torsi tertentu. Untuk menghasilkan komposisi campuran bahan bakar dan massa udara yang sesuai maka diperlukan sistem injeksi bahan bakar yang proporsional terhadap bukaan throttle valve artinya dengan mengatur bukaan throttle valve secara tepat sesuai kecepatan putar mesin pola injeksi akan mengikuti proporsional terhadap bukaan throttle valve dengan sendirinya. Kontroller dengan menggunakan metode JST merupakan kontroller yang menawarkan teknik pendekatan lain yang relatif sederhana yaitu dengan proses pembelajaran training sehingga tidak membutuhkan model matematis dari plant secara detail tetapi hanya membutuhkan sedikit pengetahuan tentang data input-output dari plant. Dari hasil uji setpoint pada 1000 rpm dan 50 kPa diperoleh error steady state untuk masing-masing system pengendalian yaitu ess kecepatan putar mesin tanpa torsi beban 008 ess kecepatan mesin diberi torsi beban 1 ess tekanan manifold tanpa torsi beban 017 ess tekanan manifold diberi torsi beban 013. Kata kunci putaran idle kontroller JST


ABSTRACT

During idle rotation on neutral condition usually the supply of air and fuel compounds that enter manifold does not match the need. To have the precise composition of fuel and air compounds the motor needs a fuel injection system that is in line with the throttle valve opening it means that the opening must he controlled precisely according to motors rotation speed the injection pattern will be parallel to the throttle valve opening. Neural Network Controller is a type of controller that offers another simple approaching technique through training process so it does not need a mathematical model of system hut only need knowledge about plants input and output pattern. From set point testing on 1000 rpm and 50 kPa the error steady state ess in each control systems are ess during machines rotation speed without load 0.08 ess during machines rotation speed with load 1 ess for manifold pressure without load 017 ess for manifold pressure with load 013. Keyword idle rotation JST controller



KeywordsPutaran idle ; Kontroller JST
 
Subject:  Otomasi
Date Create: 05/02/2008
Type: Text
Format: pdf ; 84 pages
Language: Indonesian
Identifier: ITS-Research-3100005066107
Collection ID: 3100005066107
Call Number: ITS 629.8 Ais p


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