Industrial control systems can be categorized in two types: open-loop and closed-loop systems. The open-loop control system is a continuous control system that provides no feedback from its output.

This paper sets out the key concepts necessary to calculate trade in value added using input-output tables. We explain the basic structure of an input-output table and the matrix algebra behind the ...

Abstract: The green input output matrix will not only include the economic factors as the traditional input output matrix, but also include the environmental factors such nature resources, ...