公开(公告)号：US20020190675A1

公开(公告)日：2002-12-19

申请号：US10175451

申请日：2002-06-18

Applicant: STMICROELECTRONICS S.r.I

Inventor： Michele Boscolo

IPC: H02P001/18

CPC classification number: H02P6/14

Abstract: The present invention relates to a method and a circuit using the method thereof for minimising the phase errors during the driving of an electric motor, and a circuit using the method thereof, having a stator winding, a permanent magnet rotor assembly, and devices able to sense a rotor position, which comprises the following steps: a) generating of a rotor position signal (10, 14, 39), by means of said devices able to sense said rotor position; b) detecting at least two information from at least two edges (11, 12; 15, 16) of said rotor position signal (10, 14, 39) inside a measure period; c) generating a driving signal (9, 13, 38), in finction of said at least two information (11, 12; 15, 16) inside the measure period, so as to follow the rotor velocity.

Abstract translation: 本发明涉及使用该方法和方法来最小化电动机驱动期间的相位误差的方法和电路，以及使用该方法的电路，其具有定子绕组，永磁转子组件和能够 感测转子位置，其包括以下步骤：a）通过能够感测所述转子位置的所述装置产生转子位置信号（10,14,39）; b）在测量周期内从所述转子位置信号（10,14,39）的至少两个边缘（11,12; 15,16）检测至少两个信息; c）在所述测量周期内的所述至少两个信息（11,12; 15,16）中产生驱动信号（9,13,38），以便跟随转子速度。