Controller Cont method

Figure 12 — Direct and Control Card Methods of Operation (Cont.)...

Such yes/no decisions are of great importance in foodstuffs control and enviromn tal analysis. They also play an important role in pharmacy in the form of cont uniformity tests. Without suitable screening methods for rapid detection of posit samples it would scarcely be possible to carry out economic doping controls and t icological investigations or to recognize medicament abuse. 

Wittenmark, B., "Stochastic Adaptive Control Methods-a Survey," Int. J. Cont., 1975, 21, 705. 

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