LCAP2 (Linear Controls Analysis Program). Volume 2. Interactive LCAP2 User's Guide.
AEROSPACE CORP EL SEGUNDO CA GUIDANCE AND CONTROL DIV
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The computer program LCAP2 Linear Controls Analysis Program provides the analyst with the capability to numerically perform classical linear control analysis techniques such as transfer function manuipulation, transfer function evaluation, frequency response, root locus, time response and sampled-data transforms. It is able to deal with continuous and sampled-data systems, including multiloop multirate digital systems, using s, z and w transforms. Primary considerations in the development of this program were ease of use and computational accuracy. Transfer function and polynomial arrays are defined to be referenced with indices so that they may be easily addressed by the operators. The combination of this set of LCAP2 operators and the form of the data structure provides a very flexible and easy to use program. Since each LCAP2 operator is coded as a FORTRAN subroutine, the batch version of LCAP2 allows the user to easily develop code to automate, for example, a complete stability analysis task beginning with the input of raw data to the generation of the stability plots. An interactive version of LCAP2 is also available. The LCAP2 report is organized in three volumes batch users guide I, interactive users guide II, and source code description III.
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