Spring 1998

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**Lab Time:** Wednesday, 1:30 - 4:20 p.m., S&T I, Rm. 2B

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**Graduate Teaching Assistant:** TBA

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**Prerequisites:** ECE 421 or POI

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**Text:** *Lab Manual* -- will be available in the Johnson
Learning Center, Room 117

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**Introduction:**

**
The faculty supervisor for this course is Dr. Beale, Room 257, Science and Technology II,
993-1596. His office hours are shown on his homepage. The GTA will be responsible for providing assistance to
the students during the lab and during his/her office hours. The GTA will also be responsible for all
grading in the lab, and will set standards for the grading. The weighting of the various experiments will be
based on the number of weeks assigned to the experiments.
**

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**Objectives:**

**
The objective of this laboratory is to enable the students to strengthen
their understanding of the design and analysis of control systems through
practical exercises. This will be accomplished by using modern software
resources to analyze and simulate the performance of realistic system models
and to design control systems to satisfy various performance specifications.
**

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**Overview:**

**
**

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The control systems laboratory consists of three separate units. Each unit consists of several experiments.
Unit A involves analysis and controller design for a fairly simple system model. Unit B involves the
design and implementation of control systems using actual hardware. Unit C involves
compensator design for a system involving pure time delay.
**

**Students in the lab will be divided into groups of two students each. Students will document each experiment with
a description of their procedures, results of their analysis or design, and plots as appropriate. The reports for the
various experiments within a particular set will be turned in to the GTA at one time when the set is completed.
**

This set of experiments is intended to provide students with a review of standard control system design techniques for a fairly simple single-block system. Gain compensation is used initially, and then dynamic compensators, such as phase lead or phase lag, are used to satisfy certain performance requirements. Requirements are given in both the time domain and frequency domain.

Unit A.1, Unit A.2, Unit A.3

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**Unit B -- 7 weeks:**

This set of experiments is intended to introduce students to the design of
control systems for more realistic applications, and to interface their
control designs with actual hardware. Control design will be done in MATLAB
on a PC, and the designs will then downloaded to the dedicated control processor.
The hardware to be controlled consists of a multi-inertia mechanical rotational
system. The specific experiments are in preparation.

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**Unit C -- 3 weeks:**

The transfer function which is to be used in this set of experiments
arises during the study of control system design of first-order systems
which have pure time delays in them, and the purpose of the controller is
to work with different values of time delay. This turns out to be
equivalent to another control problem, namely designing a compensator
which works with a particular transfer function representing a
"fictitious" system. The system to be controlled in this set of
experiments is the fictitious system, and part of the set will involve
investigating the dependence of the value of the time delay on the
characteristics of the compensator.

Unit C.1, Unit C.2

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*Latest revision on
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