发明名称 Motor control apparatus and speed setting apparatus
摘要 A motor control apparatus for a sewing machine includes an adjustable speed setter for generating a speed set signal. A first memory stores a plurality of reference values each defining a reference region into which the speed set signal can fall. A second memory stores speed setpoint values corresponding to the reference regions. A central processing unit selects one of the reference regions by comparing the speed set signal with the reference values and selects the corresponding speed setpoint value from the second memory. A motor is controlled to run at the selected speed setpoint value.
申请公布号 US5029230(A) 申请公布日期 1991.07.02
申请号 US19890391032 申请日期 1989.08.09
申请人 MITSUBISHI DENKI KABUSHIKI 发明人 YAMAUCHI, SATOMI
分类号 H02P29/00;D05B69/18;H02P27/04 主分类号 H02P29/00
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