A method and apparatus for a pump control system. One or more embodiments of the invention include a pump controller that can perform a self-calibrating procedure, can provide precise motor speed control, can provide a limp mode before shutting down the motor when system parameters are exceeded and/or...http://www.google.ca/patents/US20080063535?utm_source=gb-gplus-sharePatent US20080063535 - Pump controller system and method