Endless operation without reset of a multi-stage control device with stages of finite range

Abstract

A method of controlling a plurality of stages, each having a finite range of operation, is disclosed. The method comprises determining a state of operation of a selected one of operation is approaching a threshold; and, thereafter, selectively altering a state of operation of the other devices so that a desired output is continuously maintained for each input. A control architecture includes a controller, which determines a state of operation of a selected one of a plurality of stages is disclosed. The controller alters the state of operation of the selected one of the plurality of stages if the state of operation is approaching a threshold. The controller selectively alters the state of operation of the other devices so that a desired output is maintained for each input.

Dependencies are inferred from the claim text.