By carrying out various duty ratio controls at the time of a change in the rotation speed or at the time of a stable rotation speed it is possible to implement the operation of a brushless motor (3) which allows a smooth and rapid change in the rotation speed, matched to the load.
申请公布号
DE4190248(C2)
申请公布日期
1995.04.06
申请号
DE19914190248
申请日期
1991.02.12
申请人
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD., KADOMA, OSAKA, JP
