Estimation of speed-sensitive thermal model for dc machines using transfer function / (Record no. 102545)

MARC details
000 -LEADER
fixed length control field 03215nam a2200337 i 4500
003 - CONTROL NUMBER IDENTIFIER
control field MY-KuUP
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20251125111041.0
006 - FIXED-LENGTH DATA ELEMENTS--ADDITIONAL MATERIAL CHARACTERISTICS
fixed length control field t||||fr|||| 000 0
007 - PHYSICAL DESCRIPTION FIXED FIELD--GENERAL INFORMATION
fixed length control field ta
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 250516s20252025my a|||fr|||| 000 0 eng d
020 ## - INTERNATIONAL STANDARD BOOK NUMBER
International Standard Book Number THE0010079 (Local)
Qualifying information Hardback
040 ## - CATALOGING SOURCE
Original cataloging agency UMPSA
Language of cataloging eng
Transcribing agency UMPSA
Description conventions rda
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) FTKPM .S93 2025 r Thesis
100 0# - MAIN ENTRY--PERSONAL NAME
Personal name Muhammad Syawal Mat Jahak,
Relator term author.
245 10 - TITLE STATEMENT
Title Estimation of speed-sensitive thermal model for dc machines using transfer function /
Statement of responsibility, etc. Muhammad Syawal Bin Mat Jahak
264 #1 - PRODUCTION, PUBLICATION, DISTRIBUTION, MANUFACTURE, AND COPYRIGHT NOTICE
Place of production, publication, distribution, manufacture Kuantan, Pahang :
Name of producer, publisher, distributor, manufacturer UMPSA,
Date of production, publication, distribution, manufacture, or copyright notice 2025
264 #4 - PRODUCTION, PUBLICATION, DISTRIBUTION, MANUFACTURE, AND COPYRIGHT NOTICE
Date of production, publication, distribution, manufacture, or copyright notice © 2025
300 ## - PHYSICAL DESCRIPTION
Extent xvii, 168 pages :
Other physical details illustrations ;
Dimensions 30 cm. +
Accompanying material 1 CD-COM
336 ## - CONTENT TYPE
Source rdacontent
Content type term text
337 ## - MEDIA TYPE
Source rdamedia
Media type term unmediated
338 ## - CARRIER TYPE
Source rdacarrier
Carrier type term volume
347 ## - DIGITAL FILE CHARACTERISTICS
Source rda
File type text file
Encoding format PDF
500 ## - GENERAL NOTE
General note Faculty of Manufacturing and Mechatronic Engineering Technology
502 ## - DISSERTATION NOTE
Dissertation note Thesis (Master of Science) -- Universiti Malaysia Pahang – 2025
504 ## - BIBLIOGRAPHY, ETC. NOTE
Bibliography, etc. note Includes bibliographical references
520 3# - SUMMARY, ETC.
Summary, etc. Motors account for 40% of global electricity consumption and 13% of carbon emissions and often suffer irreversible thermal damage. To prevent excessive electrical waste and improve reliability, it’s crucial to monitor motor temperature accurately and halt operation at safe levels. This study aims to develop a real-time model for monitoring motor temperature in MY1016 direct current machines, using a transfer function. The objectives include identifying the most precise transfer function to model the temperature response of each component at different speed, developing, and validating a generalized model using averaged-pole and variable-pole transfer function models, and finally evaluating their feasibility for fault detection. Experimental data was recorded for different motor components including the brush, bearing, permanent magnet and casing. The motor was operated at speeds from 20% to 100% of nominal speed with no load, until thermal equilibrium was reached. The MATLAB system identification toolbox was used to identify the transfer function, with a number of poles varying from 1 to 4 and with no zeros. The study found that the temperature response of the MY1016 motor at 60% of the nominal speed produces the highest temperature. The brush was best represented by a 3rd order transfer function, while a 1st order transfer function is sufficient to represent other components. The non-LTI characteristic of the temperature response observed from the pole analysis led to a choice of modeling using variable-pole transfer function to create the baseline temperature model. It can estimate temperature response during both steady and transient speed states, with a maximum temperature difference of 10 ℃. The study concludes that the variable-pole transfer function can be used to monitor electric motors' condition using several testing scenarios. The same method can be suggested to be applied on other types of motors.
610 20 - SUBJECT ADDED ENTRY--CORPORATE NAME
Corporate name or jurisdiction name as entry element Faculty of Manufacturing and Mechatronic Engineering Technology
General subdivision Dissertations
650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element Universities and colleges
General subdivision Dissertations
650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element Theses
General subdivision Dissertations
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Source of classification or shelving scheme Library of Congress Classification
Koha item type Thesis
Holdings
Withdrawn status Lost status Source of classification or shelving scheme Damaged status Not for loan Home library Current library Date acquired Total checkouts Full call number Barcode Date last seen Price effective from Koha item type
  Not lost Library of Congress Classification   Not for loan UMPLIB PEKAN UMPLIB PEKAN 16/05/2025   FTKPM .S93 2025 r Thesis T000003551 16/05/2025 16/05/2025 Thesis
  Not lost Library of Congress Classification   Final Processing UMPLIB PEKAN UMPLIB PEKAN 16/05/2025   CD13754 T000003552 16/05/2025 16/05/2025 Thesis

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