In last month’s column [“Automatic Pumpdown Systems,” Nov. 5], we talked in general about the automatic pumpdown cycle and why it is the only sure remedy for refrigerant migration to a compressor ...

Description: Analysis and design of control systems. Fundamental concepts of feedback, basic mathematical background, basic control actions and industrial automatic ...

All motion control systems aim to maneuver loads down paths with a predefined motion. If this intended motion is achieved by comparing actual load motion to desired motion and then making corrections, ...

The design of an advanced energy-saving, inverterized motion control system requires designers to deploy various skill sets in order to be able to address the wide range of technical challenges needed ...