An Interactive Graphics Program for Calculating and Plotting Root Loci.

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Abstract:

One of the more important tools in the analysis and design of classical control systems is the root locus. This report describes the history of one program ROOTL which, as a result of this study, has been modified to run interactively on the Control Data Corporation 274 Interactive Graphics System. The batch version of the program, ROOTL, uses the branch following technique of Ash and Ash discussed in another paper and is the starting point of this study. The interactive graphics version of the program, GROOTL, uses the same algorithm but has the advantage of allowing the user to work interactively with the program. The user can execute the calculation algorithm, observe the results in the form of a root locus plot on the display screen of the 274 console, and then modify the open-loop transfer function or any other input data as desired. Modified author abstract

Author(s):
Gauthier, Robert J.
Author Organization(s):
AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OHIO SCHOOL OF ENGINEERING
Descriptive Note:
Master's thesis,
Pagination:
0125

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
GE/EE/74-4
Task Number(s):
821912
Project Number(s):
AF-8219
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
*Control theory, *Interactive graphics, Computer programs, Transfer functions, Plotting, Computations, Theses
Field(s)/Group(s):
Numerical Mathematics, Computer Programming and Software
Keyword(s):
ROOTL computer program, GROOTH computer program, *Root locus diagrams
Report Date:
1974 Mar 01