G - Physics – 05 – B
Patent
G - Physics
05
B
G05B 21/02 (2006.01) G01C 19/56 (2012.01) G01D 5/02 (2006.01)
Patent
CA 2599603
The invention relates to a method for controlling/regulating a physical quantity of a dynamic system with regard to a specified progression of set values. To this end, a pulse modulator is used that generates a series of discrete modulation signals that effect the control or regulation of the physical quantity. The following steps are repeatedly carried out: a) determining an exact value or an approximation for the difference between the instantaneous set value and the instantaneous actual value of the physical quantity; b) determining the respective change in the difference that would have resulted in the maintaining of the instantaneous modulation signal or the moving to the other modulation signals, and; c) generating the modulation signal that leads to the best approximation of the instantaneous set value.
L'invention concerne un procédé pour commander/réguler une grandeur physique d'un système dynamique suivant une courbe de valeurs nominales déterminées, selon lequel un modulateur d'impulsions génère une suite de signaux de modulation discrets qui commandent ou régulent la grandeur physique. Selon l'invention, les opérations suivantes sont exécutées de manière répétée: a) déterminer une valeur exacte ou approximative de l'écart existant entre la valeur nominale momentanée et la valeur réelle momentanée de la grandeur physique; b) déterminer la modification de l'écart que provoquerait le maintien du signal de modulation momentané ou son changement en d'autres signaux de modulation; c) générer le signal de modulation qui permet d'obtenir la meilleure approximation de la valeur nominale momentanée.
Brouillette & Associes/partners
Litef Gmbh
LandOfFree
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