NC State
A.J. Ward. The development of control in the process industry. In Papermaking Systems and their Control, Trans. of the IVth Fund. Res. Symp. Oxford, 1969, (F. Bolam, ed.), pp 19–33, FRC, Manchester, 2018.


This paper traces the evolution of the theoretical basis of automatic control. The subject is considered from the viewpoint of applications in the process industries, particularly those occurring in papermaking. The emphasis is put on the essential concepts, placing them in the general background of engineering systems analysis. An attempt is made to indicate the mainstream of theoretical developments and to review current practice and the future potential of control technology in the paper industry.

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