发明名称 Method to control a micromotor at constant speed
摘要 The control procedure, esp. for a micro-motor comprises a rotor with permanent magnets, and a stator with at least one winding linked electrically to control and feed systems. The magnets are positioned radially to induce a variable current (Ui) in the winding(s) defining a tension curve (106) which alternates over time. The rotation of the rotor is maintained by a series of successive pulses (102) which are provided in the respective alternations of the curve before the induced tension reaches an absolute maximum value in each alternation. The time interval (t1) between the curve passing zero and defining the start of one alternation and the beginning of a maintenance pulse (102) is constant, and determined so that the maintenance pulse intervenes before the induced tension attains the maximum value for a given reference speed.
申请公布号 EP0887913(A3) 申请公布日期 1999.04.21
申请号 EP19980111330 申请日期 1998.06.19
申请人 ASULAB S.A. 发明人 BUEHLER, ROGER
分类号 H02K21/24;H02K29/12;H02P6/06;H02P6/14;(IPC1-7):H02P6/06 主分类号 H02K21/24
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