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专利名称：Control apparatus for a pulse motor and
method for driving a pulse motor
发明人：Shirotori, Hiroshi, c/o Seiko Epson
Corporation
申请号：EP95117093.5申请日：19951030公开号：EP0712202B1公开日：20050831
摘要：In a control apparatus (10) for a pulse motor (1) a target value for the rotorphase, add motor speeds at N different phase switching times during an accelerationperiod of the pulse motor (1) are determined in advance. Then, phase control values (forconducting respective phase switchings when the rotor phase reaches the target phaseof each phase switching) and speed control values (for conducting respective phaseswitchings so that the motor speed at each phase switching further approaches a targetspeed) are integrated with each other in accordance with a predetermined weightingfunction. In an early stage of acceleration, the weight of the phase control predominates.As the motor speed increases, the speed control is weighted more and more heavilyrelative to the phase control. When the motor speed reaches the target speed, only thephase control is once more conducted exclusively and only once, so that the rotor phaseat a phase switching time is merged into the target phase switching phase, therebyachieving constant speed operation.
申请人：SEIKO EPSON CORP
地址：JP
国籍：JP
代理机构：Diehl, Hermann O. Th.
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