Thomson provides a wide range of video technologies, fi nished products and services to consumers and professionals in the entertainment and media industries. In 2002, the company had sales of 10.2 billion Euros (US$9.6 billion). Thomson distributes its products and services under the Technicolor, Glass Valley, RCA and Thomson brand names.
Automated control of industrial boilers is an excellent application for YS1700 microprocessor-based loop controllers. These instruments can be programmed to perform the operations of plant master, boiler master, fuel and air control with oxygen trim and drum level/feedwater control.
In process control it is not uncommon for systems to be affected by dead times, due to material transfer times. This is evident typically in pipelines. A fluid of density ρ and flow rate w in a section of pipe A the length of d takes the amount of time τ = ρAd/w to cover the whole distance (see Figure 1).
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