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AN IMPLEMENTATION OF COMPENSATION OF INTERACTIONS IN A DELTAV AUTOMATION SYSTEM

AN IMPLEMENTATION OF COMPENSATION OF INTERACTIONS IN A DELTAV AUTOMATION SYSTEM. Content Introduction Automation system Use of automation system in teaching Decoupling Experiments and discussion Conclusions. Kimmo Leppäkoski and Harri Aaltonen. Introduction.

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AN IMPLEMENTATION OF COMPENSATION OF INTERACTIONS IN A DELTAV AUTOMATION SYSTEM

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  1. AN IMPLEMENTATION OF COMPENSATION OF INTERACTIONS IN A DELTAV AUTOMATION SYSTEM Content • Introduction • Automation system • Use of automation system in teaching • Decoupling • Experiments and discussion • Conclusions Kimmo Leppäkoski and Harri Aaltonen

  2. Introduction • Pieces of pilot-scale process equipment and process automation systems • Teaching and laboratory exercises • Removing interactions between level and temperature

  3. Automation system • DeltaV automation system (v 8.4) • Hardware: a professionalPLUS work station, a control unit, I/O units, a power supply and Fieldbus Foundation fieldbus • Software: DeltaV Explorer, Control Studio jaDeltaV Operate Configure, Process History View program and DeltaV Tune • Data can be collected from historian database by using MS Excel program

  4. Use of automation system in teaching The pilot system in the laboratory work

  5. Decoupling A decoupling control system

  6. Implementation of decoupling in DeltaV automation system Implementation of decoupling

  7. Experiments and discussion: set point changes of temperature

  8. Experiments and discussion: set point changes of level

  9. Conclusions • Three tank system that was built to allow students and researchers to study control strategies • Decoupling was realized by using separate PI controllers and calculation blocks in the DeltaV automation system • Decoupling enables better control than the separately functioning PI controllers (level and temperature)

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