The key variables involved in controlling biological waste treatment processes-substrate variables, physical and chemical variables, suspended solids variables, and biological activity variables-are ...

Just over a decade ago, an article titled, "Advanced Control Strategies Move into the Field" (Control, October 2008), highlighted three evolving trends in the process control world that would "make ...

I introduce the notion of a 'control variable' which gives us a way of seeing how mental causation could be an unproblematic case of causation in general, rather than being some sui generis form of ...