MODELING OF A DC SERVO MOTOR
Electric motors are the most common actuator used in
electromagnetic systems of all types. They are made in a
variety of configurations and sizes for applications ranging
from activating precision movements to powering diesel-electric
locomotives. The laboratory motors are small servomotors,
which might be used for positioning control applications in a
variety of automated machines. They are DC (direct current)
motors. The armature is driven by an external DC voltage that
produces the motor torque and results in the motor speed. The
armature current produced by the applied voltage interacts with
the permanent magnet field to produce current and motion.
A simplified schematic of the motor is shown in Figure 1 below.
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DC Servo Motor Parameter Estimation
This example demonstrates the process of estimating the
parameters of a multi-domain DC servo motor model constructed
using various physical modeling products.
Contents
1.Description of the DC Servo Motor System
2.Estimating Parameters of the DC Motor Model
3.Importing Experimental Data
4.Selecting Parameters for Estimation
5.Defining an Estimation
6.Running the Estimation
7.Validation
8.Summary
DC Servo Motor Parameter Estimation
This example demonstrates the process of estimating the
parameters of a multi-domain DC servo motor model constructed
using various physical modeling products.
Contents
1.Description of the DC Servo Motor System
2.Estimating Parameters of the DC Motor Model
3.Importing Experimental Data
4.Selecting Parameters for Estimation
5.Defining an Estimation
6.Running the Estimation
7.Validation
8.Summary
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DC Motor System Identification
Objective The purpose of this lab is to experimentally determine
the frequency response of a DC servomotor system, which
includes the DC motor and amplifier. Experimental results will be
obtained to create a Bode plot for the servomotor system.
A transfer function can also be derived by fitting the Bode plot.
These results then can be used to design a suitable controller.
DC Motor System Identification
Objective The purpose of this lab is to experimentally determine
the frequency response of a DC servomotor system, which
includes the DC motor and amplifier. Experimental results will be
obtained to create a Bode plot for the servomotor system.
A transfer function can also be derived by fitting the Bode plot.
These results then can be used to design a suitable controller.
