The development and application of electronic technology to increase health, safety, and productivity in the South African coal mining industry

South Africa's coal mining industry is of vital economic importance. This paper describes some of the major electronic achievements within that industry over the past ten to 15 years. Basic design criteria formulated for systems to be used underground is discussed. The experience gained with the implementation of the systems, especially the human factor, is examined. Future directions to be followed by some of the research programs are presented.