header
Image from OpenLibrary

Controlling strain controlled test by fuzzy logic / Ehab Ahmed Mahmoud , Supervised Mostafa Abd El Hameed abuKiefa , Ahmed Essa Husien

By: Contributor(s): Language: Eng Publication details: Cairo : Ehab Ahmed Mahmoud , 2006Description: 125p : ill ; 30cmSubject(s): Available additional physical forms:
  • Issued also as CD
Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty Of Engineering - Department Of Civil Engineering Summary: Cyclic Triaxial Test is used to study the stress - deformation behavior of the soilYoung's modulus , E and the damping ratio , are measured in cyclic triaxial test when strain - controlled test is conductedIn this test , control system is used to apply cycles of controlled deformationCurrently , the classical PID (Proportional , Integral and Derivative) control is widely used where its gains are manually tunedThe problem with this type of control is in the PID gains which differ from one test to another depending on the tested soilThe PID controllers also exhibit poor performance with the highly nonlinear systemsGenerally , tuning the Proportional , Integral , and Derivative constants are time consuming and require high experience In this research , a fuzzy controller technique is used to develop a new control system for strain - controlled testMATLAB software is used for developing and evaluating the performance of the proposed control system in case of cyclic loadingThe proposed control system shows its superiority over the PID controller especially for the highly nonlinear soil behavior
Tags from this library: No tags from this library for this title. Log in to add tags.
Star ratings
    Average rating: 0.0 (0 votes)
Holdings
Item type Current library Home library Call number Copy number Status Date due Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.05.M.Sc.2006.Eh.C. (Browse shelf(Opens below)) Not for loan 01010110045547000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.05.M.Sc.2006.Eh.C. (Browse shelf(Opens below)) 45547.CD Not for loan 01020110045547000

Thesis (M.Sc.) - Cairo University - Faculty Of Engineering - Department Of Civil Engineering

Cyclic Triaxial Test is used to study the stress - deformation behavior of the soilYoung's modulus , E and the damping ratio , are measured in cyclic triaxial test when strain - controlled test is conductedIn this test , control system is used to apply cycles of controlled deformationCurrently , the classical PID (Proportional , Integral and Derivative) control is widely used where its gains are manually tunedThe problem with this type of control is in the PID gains which differ from one test to another depending on the tested soilThe PID controllers also exhibit poor performance with the highly nonlinear systemsGenerally , tuning the Proportional , Integral , and Derivative constants are time consuming and require high experience In this research , a fuzzy controller technique is used to develop a new control system for strain - controlled testMATLAB software is used for developing and evaluating the performance of the proposed control system in case of cyclic loadingThe proposed control system shows its superiority over the PID controller especially for the highly nonlinear soil behavior

Issued also as CD

There are no comments on this title.

to post a comment.