Control of brushless DC motor and device including such a control,申请号FR19890002788-传众专利搜索

Control of brushless DC motor and device including such a control

申请公布号：FR2644015(A1)

申请号：FR19890002788

申请日期：1989.03.03

申请公布日期：1990.09.07

申请人：

ABG SEMCA

发明人：ANDRE BENHAMOU

分类号：H02P6/08

主分类号：H02P6/08

摘要：The invention relates principally to a control for brushless DC motor and to a device including such a control. The invention relates to a device for controlling a brushless DC motor 1 including a module 4 for correcting the speed control signals as a function of the supply voltage. Thus, a brushless DC motor 1 is produced whose speed of rotation is independent of the supply voltage. The device according to the present invention applies whenever the supply voltage to a brushless DC motor might vary. It therefore applies more particularly to a device including brushless DC motors supplied from batteries, cells, dynamos or alternators associated with rectifiers. The invention applies very particularly to infrared image capture devices including a pick-up cooled by a cryogenic device including a compressor which is driven by a brushless DC motor. <IMAGE>