Method and system for a bumpless pid controller switch

G - Physics – 05 – B

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G05B 9/03 (2006.01) G05B 11/42 (2006.01)

Patent

CA 2723593

A method and system for process control configuration changes are described. In one embodiment, a method for switching from a first control algorithm to a second control algorithm in a continuous process control system is described. The method, in the one embodiment, includes executing the first control algorithm, deter-mining to switch from the first control algo-rithm to the second control algorithm, and executing the second control algorithm. For at least a first execution of the second con-trol algorithm, at least one state variable used in the second control algorithm is ad-justed.

L'invention concerne un procédé et un système pour des changements de configuration de commande de procédé. L'invention se rapporte, selon un mode de réalisation, à un procédé de commutation d'un premier algorithme de commande à un second algorithme de commande dans un système de commande de procédé continu. Le procédé, selon ledit mode de réalisation, consiste à exécuter le premier algorithme de commande, à déterminer une commutation du premier algorithme de commande au second algorithme de commande, et à exécuter le second algorithme de commande. Dans le cas d'au moins une première exécution du second algorithme de commande, au moins une variable d'état utilisée dans le second algorithme de commande est réglée.

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