Chapter 1 Overview of Rltool for Scilab
Welcome to help pages of RLTOOL, version 1.6. The latest details about
RLTOOL are available at:
If
you are using Rltool, you are requested to send a e-mail with the
subject ``rltool'' to ishan@ee.iitb.ac.in. Your e-mail
address will be kept confidential.
Rltool for Scilab is a graphics based tool for designing compensators
for SISO continuous plants.
The intention behind developing this package is to provide a free and
easy to use tool for students taking a first course in control
engineering. Learning is more fun if computer based teaching is used to
supplement classroom lectures. It is intended to make Rltool for Scilab
as simple
and user friendly as possible and yet have some powerful and
innovative features.
- Handle single input single output (SISO) continuous time transfer
functions.
- Choose between Time Domain and Frequency Domain Design.
- Edit of poles and zeros at the click of a mouse.
- View various openloop and closed loop plots.
- Save and Load plants as required.
1.4 How to install Rltool for Scilab
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1.4.1 For Linux users
I assume that you have obtained the file rltool1.*.tar.gz and have
saved it at the location ``PATH'' on your computer. For example, I have
downloaded the file in my home directory /home/ishan/ so
PATH=/home/ishan
- Unzip the zipped file. This has generated a directory called
rltool in my home directory.
- Start scilab
- At the scilab prompt, type
--> exec PATH/rltool/builder.sce (in my case exec
/home/ishan/rltool/builder.sce)
you need to do this only ONCE. This ``compiles'' the *.sci files and
generates binary files.
- To ``load'' rltool into Scilab, type the following at the Scilab
prompt
--> exec PATH/rltool/loader.sce
you will need to ``load'' rltool every time you start a FRESH scilab
session, or issue an explicit ``clear'' instruction at the Scilab prompt
- Type rlt() to start using rltool
- If you are the root, you may want to ``build'' rltool once so
that multiple users can access it simultaneously.
1.4.2 For Windows users
I assume that you have obtained the file rltool1.*.tar.gz and have
saved it at the location ``PATH'' on your computer. For example, I have
downloaded the file in my home directory C:\ishan , hence PATH
= C:\ishan
- Unzip the zipped file. This has generated a directory
called
rltool in my home directory.
- Start scilab
- At the scilab prompt, type
--> exec PATH\rltool\builder.sce (in my case
C:\ishan\rltool\builder.sce)
you need to do this only ONCE. This ``compiles'' the *.sci files and
generated binary files.
- To ``load'' rltool into Scilab, type the following at the Scilab
prompt
--> exec PATH\rltool\loader.sce
you will need to ``load'' rltool every time you start a FRESH scilab
session, or issue an explicit ``clear'' instruction at the Scilab
prompt
- Type rlt() to start using rltool
- If you are the administrator, you may want to ``build'' rltool
once so that multiple users can access it simultaneously.