2026 MECH 370 Lab 3 Experiment (Time Response Of A First-
Order Motor System) Concordia University
Lab 3:
Time Response Of A First-Order Motor System
Lab Section EI – X
Winter 2025
Professor Christopher Yee Wong
Concordia University
Montreal, QC, Canada
,CONTENTS
CONTENTS ........................................................................................... 2
NOMENCLATURE .................................................................................... 3
LIST OF TABLES AND FIGURES ...................................................................... 4
OBJECTIVE .......................................................................................... 5
INTRODUCTION ..................................................................................... 5
PROCEDURE ......................................................................................... 6
RESULTS ............................................................................................. 9
EXPERIMENTAL ................................................................................... 9
SAMPLE CALCULATIONS ....................................................................... 17
SIMULINK ........................................................................................ 18
SIMSCAPE........................................................................................ 23
DISCUSSION........................................................................................ 25
CONCLUSION ...................................................................................... 26
REFERENCES....................................................................................... 26
, NOMENCLATURE
𝑉𝑎: Input Voltage
𝑉𝑏: Motor Voltage
L: Inductance
𝐼𝑎: Input Current
𝜔 : Angular Velocity
J: Rational Intertia
𝑇𝑚: Torque
𝐾𝑚𝑜𝑡𝑜𝑟: Motor Constant
𝜏𝑚: Mechanical Time Constant
𝐾𝑇: Torque Constant
𝐾𝑏: Black-EMF Constant
R: Resistance
B: Damping
Order Motor System) Concordia University
Lab 3:
Time Response Of A First-Order Motor System
Lab Section EI – X
Winter 2025
Professor Christopher Yee Wong
Concordia University
Montreal, QC, Canada
,CONTENTS
CONTENTS ........................................................................................... 2
NOMENCLATURE .................................................................................... 3
LIST OF TABLES AND FIGURES ...................................................................... 4
OBJECTIVE .......................................................................................... 5
INTRODUCTION ..................................................................................... 5
PROCEDURE ......................................................................................... 6
RESULTS ............................................................................................. 9
EXPERIMENTAL ................................................................................... 9
SAMPLE CALCULATIONS ....................................................................... 17
SIMULINK ........................................................................................ 18
SIMSCAPE........................................................................................ 23
DISCUSSION........................................................................................ 25
CONCLUSION ...................................................................................... 26
REFERENCES....................................................................................... 26
, NOMENCLATURE
𝑉𝑎: Input Voltage
𝑉𝑏: Motor Voltage
L: Inductance
𝐼𝑎: Input Current
𝜔 : Angular Velocity
J: Rational Intertia
𝑇𝑚: Torque
𝐾𝑚𝑜𝑡𝑜𝑟: Motor Constant
𝜏𝑚: Mechanical Time Constant
𝐾𝑇: Torque Constant
𝐾𝑏: Black-EMF Constant
R: Resistance
B: Damping
