A few months ago I was commissioned to optimise the controls of two large reheat furnaces in a steel manufacturing plant. The client was aware that furnaces were consuming gas at a rate that was very ...
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Michael Brown is holding a series of his well-known courses on practical process control during April in Johannesburg. The courses are unique in the world and are invaluable to novices, as well as to ...
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This article was recently published in a leading magazine serving the pulp and paper industry - however, I think many of the regular readers of my articles will find it interesting. Few people are aware ...
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One of the more difficult types of processes that I have been asked to optimise, is the level control of the mould in a continuous casting machine found in large steel manufacturing plants. A basic diagram ...
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I often feel that I am a lone voice 'crying in the wilderness' about the abysmal state of control in most plants worldwide. It really pleases me when I can produce supporting evidence from other people ...
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Michael Brown is holding a series of his well-known courses on practical process control in Johannesburg. The courses are unique in the world and are invaluable to novices, as well as to experienced practitioners ...
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In many of my previous articles I have highlighted the fact that the vast majority of control practitioners have no real understanding of the practical aspects of regulatory control. They have found that ...
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Pressure has a major effect on the separation and cut in a distillation column, and column stability can be dramatically hampered if there is poor pressure control. One of the most common ways of controlling ...
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Just before starting on this piece, I read a fascinating article by a valve manufacturer in the April issue of SA Instrumentation & Control, which mentioned a case where a relatively small 1,4% improvement ...
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Michael Brown is holding a series of his well-known courses on practical process control in Johannesburg, and Richards Bay. The courses are unique and are invaluable to novices, as well as to experienced ...
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I have lost count of the number of times I have been told that flow loops are very simple things, that they are easy to tune, that you do not need a tuning package to tune them, that they can be tuned ...
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Noise on the PV signal was discussed in the previous loop signature article, and it was mentioned that it is generally better to live with the noise rather than filtering it out; provided it does not ...
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