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Every Good Regulator of a System Must Be a Model of That System

Published 1 January 1991
Roger C. Conant, W. Ross Ashby
Citations723

TL;DR

Today, as a step towards the control of complex dynamic systems, models are being used ubiquitously, being modelled, for instance, are the air traffic flows around New York, the endocrine balances of the pregnant sheep, and the flows of money among the banking centres.

Abstract

Today, as a step towards the control of complex dynamic systems, models are being used ubiquitously. Being modelled, for instance, are the air traffic flows around New York, the endocrine balances of the pregnant sheep, and the flows of money among the banking centres.