Distributed control systems (DCSs) were first introduced in the late ’70s and early ’80s. They used the most current technology available at the time, but computer technology ... removal and ...

Many power plants have a distributed control system nearing the end of ... the new control system is PC-based and the old DCS is driven by a mini-computer, for example. These subsystems often ...

Almost 30 years ago on August 25, 1988, Schwartz filed a patent for a “multilevel distributed computer system” that would ... lessens the load on the control computer and reduces both ...

Along the way, Braskem acquired four polypropylene manufacturing sites from Dow Chemical, two of which were strapped with Dow’s proprietary MOD 5 distributed control system (DCS). With the hardware ...