Motor control system and method with adaptive current profile

Details Motor control system and method with adaptive current profile Motor control system and method with adaptive current profile

H - Electricity

02

P

H02P 27/06 (2006.01) B60L 15/20 (2006.01) H02P 25/02 (2006.01) H02P 25/08 (2006.01) H02K 16/00 (2006.01)

Patent

CA 2510649

Subject to user or system selection, one of the motor control schemes is accessed from the memory (56) by a controller (44) for implementation. The controller (44) generates control signals that are applied to energization circuitry (42) for supplying current to the phase windings (38) with a particular current waveform profile in accordance with the selected motor control scheme. The controller (44) has an input terminal (47) for receiving a user initiated torque command signal representing a desired motor torque. Each motor control scheme provides motor driving current that corresponds to torque command signals received at the controller input terminal.

Selon la sélection de l'utilisateur ou d'un système un contrôleur (44) accède à l'un des modes de commande d'un moteur à partir de la mémoire (56) pour permettre une mise en application. Le contrôleur (44) génère des signaux de commande qui sont appliqués au circuit d'alimentation (42) afin de fournir du courant aux enroulements de phase (38) ayant un profil de forme d'onde de courant particulier selon le mode de commande de moteur sélectionné. Le contrôleur (44) présente une borne d'entrée (47) destinée à recevoir un signal d'instruction de couple à l'initiative de l'utilisateur représentant un couple moteur voulu. Chaque mode de commande de moteur fournit un courant d'attaque de moteur correspondant aux signaux d'instruction de couple reçus au niveau de la borne d'entrée du contrôleur.

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