Process control and other fields of automation

The basic principles involved in control by digital computer are discussed with special reference to the mathematical model, optimization and the breakdown of costs. Expected future developments are briefly mentioned. A few case histories are given of computer control in South Africa. Automation is illustrated with reference to a few industries such as steel, power generation and tobacco, also its application in the fields of transport, postal services and broadcasting; special reference is made to what has been done in South Africa. Computer-aided design and computer graphics are briefly mentioned. The importance of numerically controlled machine tools for South Africa is dealt with and a summary of the present application in South Africa is given. The Implications of small-scale automation for South Africa are also discussed. Steps already taken to promote and plan for automation in South Africa are mentioned; reference is made to sociological problems and the possible use of unskilled labour. The extent of the present market for automation and control systems equipment in South Africa is estimated.