Arrangement with an electric motor

Details Arrangement with an electric motor Arrangement with an electric motor

H - Electricity

02

P

H02P 6/06 (2006.01) F24F 11/00 (2006.01) H02P 6/08 (2006.01) H02P 6/14 (2006.01)

Patent

CA 2339933

The rotation speed of an electric motor (9) is controlled by a controller (6) which receives its setpoint from a characteristic function (23). The characteristic function (23) calculates a setpoint for the controller (6) on the basis of an originally analog variable A (2) that is converted to digital by an A/D converter AD (10), with the aid of support values of a "MEM + DATA" characteristic that are stored in a memory (4); those values not predefined by the support values are calculated by interpolation.

Le nombre de tours d'un moteur électrique (9) est régulé par un régulateur (6) qui obtient sa valeur idéale sur la base d'une fonction (23) de courbe caractéristique. Ladite fonction (23) calcule, sur la base d'une grandeur A (2) initialement analogique convertie en grandeur numérique par un convertisseur A/N (10), une valeur idéale pour le régulateur (6) à l'aide de valeurs d'appui d'une courbe caractéristique "MEM + DATA" stockées dans une mémoire (4), les valeurs non déterminées par les valeurs d'appui étant calculées par interpolation.

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