1 / 32

Direct digital control systems &Software

Direct digital control systems &Software. Introduction DDC Structure The position algorithm The velocity algorithm. Analog process. Direct digital control. DDC. Centralized User Interface ·Dynamic, Precise Facility Control ·Coordination of Facility Systems Operation

ariel-singleton
Download Presentation

Direct digital control systems &Software

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Direct digital control systems&Software Introduction DDC Structure The position algorithm The velocity algorithm

  2. Analog process

  3. Direct digital control

  4. DDC • Centralized User Interface • ·Dynamic, Precise Facility Control • ·Coordination of Facility Systems Operation • ·Speed and Reliability from Computational Power • ·Optimizing Facility Diversity • ·Durability and Flexibility • ·Troubleshooting/Easing of maintenance • ·Trending and History Data Logging • ·Customized Energy Reporting

  5. DDC for chemical reactor

  6. DDC structure

  7. The Position algorithm

  8. `

  9. The Velocity Algorithm

  10. Two-Position Control

  11. Two measure problems inVelocity algorithm • CONTROLLER DRIFT • Integral over shoot

  12. Effect of set point band in Velocity algorithm

  13. Benefits of DDC • Improved Effectiveness Improved Operational Efficiency increased Energy Efficiency

More Related