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ITS » Master Theses » Teknologi Proses - S2
Posted by aprill@is.its.ac.id at 06/11/2015 14:42:01  •  1367 Views


METODE TUNING MAXIMUM PEAKGAIN MARGIN MPGM UNTUK PENGENDALI 2DOFIMC PADA SISTEM MULTI INPUT MULTI OUTPUT

MAXIMUM PEAKGAIN MARGIN MP-GM TUNING METHOD FOR 2DoFIMC CONTROLLER IN MULTI INPUT MULTI OUTPUT SYSTEM

Author :
ASTUTI, DINNY WINDA ( 2312 201 001 )




ABSTRAK

Pengendali PID telah diaplikasikan pada industri untuk menjaga kualitas produk dan keselamatan kerja. Berbagai desain dan metode tuning juga telah dikembangkan agar dapat diaplikasikan pada berbagai karakteristik proses. Namun pengendali PID tidak dapat sepenuhnya mengatasi kompleksitas proses industri sehingga dikembangkan two degree of freedom Internal Model Control. Sayangnya pada non-perfect model mencari parameter pengendali yang baik sulit dilakukan. Baru-baru ini telah dikembangkan metode tuning untuk two degree of freedom IMC yang mengimplementasikan prinsip-prinsip analisa kestabilan untuk mendapatkan parameter pada Internal Model Control. Metode tersebut diujikan untuk beberapa proses orde satu hingga orde tinggi dimana prosesnya merupakan parametric uncertainty namun masih terbatas pada pada sistem SISO. Penelitian ini mengembangkan metode Mp-GM tuning untuk sistem multi input multi output MIMO. Analisa pairing dilakukan untuk menentukan konfigurasi yang tepat pada 3 fungsi transfer 2x2 yang merepresentasikan kolom distilasi skala laboratorium metode tuning terdiri dari 1 penentuan worst case model 2 mencari parameter pengendali setpoin dengan kriteria Mp 3 mencari parameter pengendali gangguan dengan kriteria GM. Nilai IAE yang dihasilkan dari Mp-GM Tuning lebih kecil dari BLT Skogestad Rivera dan Mp Tuning. Untuk loop 1 dan loop 2 masing-masing kolom berturut-turut WB 506 dan 1259 WW 3054 dan 3446 VL 262 dan 120.Untuk kasus WB WW dan VL nilai GM yang memberi IAE paling kecil berturut-turut adalah 323322. Studi kasus kolom distilasi menggunakan simulasi Hysys juga memberikan hasil yang memuaskan.


ABSTRACT

PID Controller has been widely applicated in industry to ensure product quality and safety. Various design and tuning methods have been developed so that the controller can be applied to a variety of process characteristics. However PID controller can not fully address the complexity of industrial processes and product quality specifications therefore two degree of freedom Internal Model Control was developed. Unfortunately it is difficult to determine controller parameters in non-perfect model. Recently a new tuning method for 2DOF-IMC has been developed using the principles of stability analysis and yields very good performace even for an uncertainty model. The method was applied to several processes from first order to higher order but limited for only single input single output system. The present study proposes Mp GM tuning for 2DOF-IMC in multi input and multi output MIMO system. Three particular 2x2 model of distillation columns that represent laboratory scale distillation columns are being studied the best configuration is analysed by Relative Gain Array RGA and Average Dynamic Gain Array ADGA method. The tuning method consists of three steps Firstly determine the worst case of the model uncertainty. Secondly specify the parameter of set point controller using maximum peak Mp criteria. And finally obtain the parameter of the disturbance rejection controller using gain margin GM criteria. IAE values from Mp-GM tuning are smaller than those from BLT Skogestad Rivera dan Mp Tuning. For loop 1 and loop 2 for each column respectively WB 506 and 1259 WW 3054 and 3446 VL 262 and 120. For WB WW and VL GM values that give the smallest IAE values respectively 323322. Case study of Distillation Column Control using Hysys simulation had also been satisfactory.



KeywordsTwo Degree of Freedom; IMC; MIMO; Maximum Peak; Gain Margin; worst-case model
 
Subject:  kontrol prediktif
Contributor
  1. Juwari, ST, M. Eng, Ph.D.
  2. Prof. Ir. Renanto Handogo, MSc., Ph.D.
Date Create: 06/11/2015
Type: Text
Format: pdf
Language: Indonesian
Identifier: ITS-Master-23103150001521
Collection ID: 23103150001521
Call Number: RTK 660.281 5 Ast m


Source
Master Theses of Chemical Engineering, RTK 660.281 5 Ast m, 2015

Coverage
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Rights
Copyright @2015 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-Master-39437-2312201001-abstract_id.pdf - 284 KB
  2.  ITS-Master-39437-2312201001-abstract_en.pdf - 309 KB
  3.  ITS-Master-39437-2312201001-conclusion.pdf - 180 KB




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