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ITS » Undergraduate Theses » Disain Sistem Mekanikal
Posted by hassane@its.ac.id at 26/05/2010 14:18:27  •  3081 Views


PERANCANGAN SISTEM KENDALI LOOP TERTUTUP DENGAN MODE ELEKTRIK PADA CONTINUOUSLY VARIABLE TRANSMISSION CVT UNTUKMENINGKATKAN KINERJA KENDARAAN

CONTROL SYSTEM DESIGN WITH CLOSED LOOP MODE ON ELECTRICAL CONTINUOUSLY VARIABLE TRANSMISSION CVT TO BOOST PERFORMANCE

Author :
HANANTO, WIDJOKONGKO ( 2107205001 )




ABSTRAK

Penggunaan sistem transmisi otomatis pada kendaraan bermotor disamping untuk meningkatkan kenyamanan dalam berkendara juga diharapkan mengurangi pemakaian bahan bakar. Prinsip sistem Continuously Variabel Transmission CVT adalah menghasilkan suatu sistem perpindahan variasi rasio i sebagai fungsi kecepatan. Persoalan utama CVT adalah mengubah variator push belt dari continuously variable pulley VDP agar mampu mengurangi faktor slip. Beberapa upaya untuk menyelesaikan permasalahan CVT diantaranya Prasetyo 2007 mengembangkan CVT untuk penelitian Smart Car dengan menggunakan penggerak single actuator hidrolik dengan menggunakan sistem kendali Fuzzy. Pada pengembangan riset ini harga slip roda dipertahankan pada kondisi 20 dan hasil yang diinginkan diperoleh 10 15 namun losses rasio putaran rata rata sebesar 703 karena terjadi slip antara belt dan pulley. Sementara Ariyono 2008 merancang sistem CVT mengunakan dengan aktuator helical screw gear untuk mengatur ratio CVT. Rancangan itu berhasil mereduksi faktor slip dengan effisiensi ratio sekitar 60 dan effisiensi torsi 90 yang ditempuh waktu rata-rata steady state 20 detik. Namum solusi solusi tersebut masih memiliki kelemahan pada respon perubahan ratio CVT yang dihasilkan masih lambat. Pada penelitian ini dirancang sistem CVT menggunakan sistem loop tertutup dengan menggunakan mode elektrik secara proporsional untuk mengendalikan actuator Fork Screw Push Belt dengan bantuan perhitungan ideal dari CVT menggunakan software MATLAB dan pengujian menggunakan software DELPHI. Analisa yang diharapkan antara analisa ideal dengan aktual ditunjukan dengan effisensi sistem kendali yang dicapai. Hasil CVT dengan 2 pengerak mampu menghasilkan meningkatkan effisien ratio CVT menjadi 53.056 dan effisiensi torsi antara 67.12 - 70.26 sehingga mampu mengurangi faktor slip waktu steady state kurang dari 18.07 detik yang mampu mengurangi error menjadi 8.8 rads setara 3.22 .


ABSTRACT

Use of automatic transmission systems in motor vehicles in addition to improving the ride comfort is also expected to reduce fuel consumption. The principle of the system Continuously Variable Transmission CVT is producing a variation of the ratio of the displacement system i as a function of velocity. The main problem is to change the variator CVT push-belt continuously variable from PULLEY VDP to be able to reduce the slip factor. Several attempts to solve problems such CVT Prasetyo 2007 developed a CVT for Smart Car research by using a single drive by using the hydraulic actuator control system Fuzzy. In this research the development of wheel slip rates maintained in condition of 20 and the desired results obtained from 10 to 15 but average losses rotation ratio - average of 70.3 due to slip between the belt and PULLEY. While Ariyono 2008 designed a system using a CVT with a helical screw actuator to adjust the gear ratio of CVT. The design was successfully reduce the slip factor with the efficiency ratio of approximately 60 and 90 efficiency torque is applied when the average steady state 20 seconds. However the solution - the solution still has a weakness in the CVT ratio change response generated is still slowly. In this study designed CVT system using closedloop system using a proportional electric mode for controlling the actuators Fork Push Screw Belt with the help of the ideal of the CVT calculation using MATLAB software and software testing using DELPHI. The analysis is expected between the ideal and the actual analysis indicated with effisensi achieved control system. Results CVT with 2 actuators capable of producing increased efficient CVT ratio to 53056 and the efficiency of torque between 6712 - 7026 so as to reduce the slippage factor when steady state is less than 1807 seconds which can reduce the error to be 8.8 rad s equivalent of 322.



KeywordsCVT; Close Loop Proportional System; Ratio CVT Torque; Widjokongko
 
Subject:  Perangkat transmisi mobil
Contributor
  1. Dr. Ir. Bambang Sampurno, MT
  2. Prof. Ir. I Nyoman Sutantra, M.Sc, PhD
Date Create: 03/02/2010
Type: Text
Format: pdf
Language: Indonesian
Identifier: ITS-Undergraduate-3100010039472
Collection ID: 3100010039472
Call Number: RTM 629.244 Han p


Source
Master Theses, Mechanical Engineering RTM 629.244 Han p, 2010

Coverage
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Rights
Copyright @2010 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




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  1.  ITS-Undergraduate-10379-Abstract_id.pdf - 16 KB
  2.  ITS-Undergraduate-10379-Abstract_en.pdf - 16 KB
  3.  ITS-Undergraduate-10379-Paper.pdf - 299 KB




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