APC for min maintenance or max profit?-Part 2

摘要

While I have promoted proper control system performance indicators since 1964, like Dr. Y. Zak Friedman,1 I also am aware of some deeper problems with realizing its full commercial potential. Friedman once publically claimed Clifftent24 was no panacea,without seeing it in action. Moreover, he charged, without any basis, that Clifftent, a mathematical procedure, could lead to burning down a furnace. My experience is proper deployment of Clifftent to operate the HPI would mitigate such events because it mandates careful modeling of the financial consequences of exceeding properly set limits like burning down furnaces, so operators would be using better information and models to make appropriate setpoint decisions for risky tradeoffs. Determining such effects rather than ignoring them is the main idea of science, mathematics and engineering. I refrain from blaming MVC, PID, LP, SQC, feed-forward, inferentials, six-sigma, statistics, calculus or madiematics for burning down furnaces.