Grade Change Transition Performance and Troubleshooting

Grade Change Transition Performance and Troubleshooting

Virtual Webinar
Tuesday, August 31, 2021 to Tuesday, August 31, 2021

Understanding the potential sources of grade change transitions losses.

2PM - 3PM (ET)

Grade change transitions losses frequently appear in the top five quality impacts when reviewing paper machine performance. The demand to achieve quick and frequent grade transitions is a large contributor to the increased quality losses. Understanding the potential sources of these quality losses can be a very challenging process to go through and requires collaboration of different areas of the paper machine production, quality, and process control staff. With collaboration, relevant process data can be identified and collected to properly quantify grade change performance and provide a systematic approach to identify common quality issues during grade change. Using documented methods to quantify grade change performance can be used to point to areas that are under performing. By quantifying grade change transition performance, the financial benefits can also be more readily validated.

Who Should Attend?

  • Production Supervisors Paper
  • Process Engineers Paper
  • Quality Engineers Paper
  • Learning outcomes 

Learning Outcomes

  • List several quantifiable measures of grade change performance
  • Define process that can be used to identify probable source of poor grade change performance

Timothy Murphy

Tim IMG_0117 samll.JPGTim Murphy is currently operations manager of the US Advanced Services group with ABB. He has been working in various roles at ABB for over 34 years. US Advanced Services group provides delivery for both optimization and digital services to North America based customers.

Tim is a leading expert in QCS paper machine applications with focus on advanced control features including machine direction, automatic grade change, and color control. He has also been leading development of advanced process control diagnostic features in several areas related to PID loop and QCS control performance to support ABB global service development.

During the past 20 years, Tim has been actively training both customers as well as ABB employees on configuration and tuning of QCS control applications. Tim has also been a leader in developing and delivering training courses for performance diagnostics and optimization of both PID and QCS control features.

Tim has been a member of TAPPI since 2000. He holds a BSEE degree from the University of Pittsburgh and a MSEE from The Ohio State University with specialization in control systems. Tim has been a registered professional engineer since 1999. He has authored/co-authored over 15 referenced papers and four patents.

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