Welcome to Controlguru.com – an online resource for practitioners of process control.  This site focuses on industrial application of the Proportional Integral Derivative (PID) controller and other related process control architectures.  Applications of interest are processes with streams that are composed of gases, liquids, powders, slurries, and melts as found in a broad range of manufacturing, production, and development operations.  The site’s content covers a range of proven methods and best-practices for both establishing and maintaining safe, efficient, and profitable control of these common industrial production processes.