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Title: Computerized Gas Dispatch Systems
Author: Richard L. Rhodes
Source: 1981 Appalachian Gas Measurement Short Course
Year Published: 1981
Abstract: Let us first discuss the types of computers available to perform control functions in a gas dispatching system. Our discussion will cover two of the many types used in dispatching systems - Analog and Digital Computers. I. Analog computers, first applied in the early 1950s were dedicated to one particular control function or measurement, but can perform multiple function tasks. There are two configurations of analog computers. Type 1 are: General purpose modules which may be connected together to solve various flow equations and to totalize the volume through a station. This type system offers great flexibility, acceptable rangeability and accuracy. The disadvantages are special engineering and custom wiring.

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