MECH 371 Lab #4 (Experiment 4: Frequency Response Of Basic Closed-Loop DC
Motor System) 2025|2026 UPDATE Concordia University
Experiment 4:
Frequency Response
Of Basic Closed-Loop
DC Motor System
Submitted by
Lab Section AI – X
Fall 2025
Professor Wen-Fang Xie
Concordia University
Montreal, QC, Canada
, Table Of Contents
Table Of Contents ................................................................................... 2
List Of Figures ....................................................................................... 3
List Of Tables ........................................................................................ 3
Objective ............................................................................................ 4
Introduction ......................................................................................... 4
Procedure ........................................................................................... 4
Results ............................................................................................... 5
Sample Calculations ............................................................................. 7
Matlab: ............................................................................................ 9
Discussion ......................................................................................... 11
Sources Of Error................................................................................ 11
Conclusion......................................................................................... 12
References ........................................................................................ 13
Appendix: ......................................................................................... 14
Motor System) 2025|2026 UPDATE Concordia University
Experiment 4:
Frequency Response
Of Basic Closed-Loop
DC Motor System
Submitted by
Lab Section AI – X
Fall 2025
Professor Wen-Fang Xie
Concordia University
Montreal, QC, Canada
, Table Of Contents
Table Of Contents ................................................................................... 2
List Of Figures ....................................................................................... 3
List Of Tables ........................................................................................ 3
Objective ............................................................................................ 4
Introduction ......................................................................................... 4
Procedure ........................................................................................... 4
Results ............................................................................................... 5
Sample Calculations ............................................................................. 7
Matlab: ............................................................................................ 9
Discussion ......................................................................................... 11
Sources Of Error................................................................................ 11
Conclusion......................................................................................... 12
References ........................................................................................ 13
Appendix: ......................................................................................... 14
