Appendix
Use of Virtual Control System
A virtual control system composed of a user's MATLAB codes and virtual processes is used to emulate real situations in industry. this can contribute significantly to improving the ability to solve real problems in industry, Students can practice the whole procedure of process activation, modeling, controller design and implimentation on the basis of a virtual control system. This appendix introduces the virtual control system and several examples of user codes.
A.1 setup of the virtual control system
the overview, installation and setting the parameters of the virtual control system are briefly explained in this section
A.1.1 Overview
The virtual control system is composed of a user's code and a virtual process. Figure A.1 shows schematic diagram for data exchange between the user's code and the virtual process.
Figure A.1 Schematic diagram of the virtual control system.
The virtual process is coded using Visual Basic and the user's code is a MATLAB m.file. The buffer is one of several forms of database. Excel. ellipboard and data file, of which the role is temporal data stirage to incorporate the data exchange between the user&aposls code and the virtual process. The user's code periodically sends the control output in(t) to the buffer and gets the time t and the process output y(t) from the buffer with the period of the sampling time. The ...
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