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This paper reviews recent work done at Université Laval in the field of column flotation instrumentation and control. The presented control results rely on froth depth and bias sensors. This work establishes that flotation column control could be substantially improved by using different control methods, such as nonlinear, multivariable, and feedforward control. The emphasis is placed on the way the...
An automation system of an industrial process records hundreds of signals. Simultaneous study of all these signals is not possible: the analyst must focus onto the essential - find the variables of interest. The method presented in this paper supports the search. The user defines what is interesting by labeling the data points, for example, using `A' to mark the data points from a period of a given...
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