Learning the basics can ease loop tuning frustration and ensure stability. During plant operations, it seems that tuning control loops is an ongoing task, which can be a continual frustration to ...

Compressible fluid flow through control valves will inevitably cause some form of flow-induced vibration in the fluid system. Identifying the type and cause of the vibration requires detective work.

The NASA brief stated, “The review included a formal presentation of the shuttle's flow control valve work, initiated after NASA identified damage to a valve on shuttle Endeavour during its November ...