UNCERTAINTY ANALYSIS,

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Abstract:

The total constraint of a dynamic system is analyzed in terms of the cause-effect relationship between parts of the system. The cause-effect relationships are represented qualitatively on Ashby diagrams of immediate effects DIE Introduction to Cybernetics and on diagrams of K effects for systems over k time intervals. Construction of the DIE requires either knowledge of the mapping of every variable of the system and the mapping joining them, or the ability to force the system into all possible system states. Systems of 2, 3, and n variables are considered. Preliminarily, techniques are presented that facilitate analysis by allowing selection or creation of information relations of the desired form from a modest catalog of the most general and useful relations. Proofs are given for the reformulations.

Author(s):
Powers, Stephen G.
Author Organization(s):
ILLINOIS UNIV URBANA BIOLOGICAL COMPUTER LAB
Pagination:
0039

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
BCL-8.0, AFOSR-67-1413
Contract/Grant Number(s):
AF 33(615)-3890, AF-AFOSR-7-67
Task Number(s):
976904
Project Number(s):
AF-9769
Monitor Series:
67-1413
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
*INFORMATION THEORY, *SYSTEMS ENGINEERING, *CYBERNETICS, *DYNAMICS, SELECTION, MAPPING(TRANSFORMATIONS), TIME INTERVAL COUNTERS, DIAGRAMS, INTERACTIONS, ITERATIONS, UNCERTAINTY, COMMUNICATION AND RADIO SYSTEMS, SYMBOLS, PERFORMANCE(ENGINEERING)
Field(s)/Group(s):
Cybernetics, Bionics
Report Date:
1967 May 15