January 1999

Letters to the Editor

Letters to the editor

More about closed loop optimization Following my guest editorial of August '98, "More about closed loop optimization," I have been receiving mail and e-mail from control engineers whose companies..

More about closed loop optimization Following my guest editorial of August '98, "More about closed loop optimization," I have been receiving mail and e-mail from control engineers whose companies have been implementing complex, online optimization control schemes. These people have written to thank me for helping them out of a trap. Management is forcing them to spend their time beating on white elephants (language out of someone's e-mail), and they do not have time left to do what they really need to do – maintain and implement straightforward advanced controls. The control engineers are not in positions to make their experiences known inside the companies for fea

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