Electricity: motive power systems – Plural diverse motor controls – Running-speed control
Patent
1992-08-03
1994-02-15
Wysocki, Jonathan
Electricity: motive power systems
Plural diverse motor controls
Running-speed control
3889075, H02P 700
Patent
active
052870456
ABSTRACT:
A digital apparatus for controlling an operation of an electric motor capable of realizing a fully digital speed control without creating a severe restriction on data transfer and an excessive demand on the micro-processor. The apparatus includes a micro-processor for carrying out normal speed control processings at normal speed timings; a high speed digital processor for carrying out high speed control processings at high speed timings faster than the normal speed timings; and interface register for interfacing data transmission between the micro-processor and the high speed digital processor; and a timing circuit for receiving access signals from the micro-processor, and producing timing signals based on the high speed timings by using the access signals where the timing signals control timings of the data transmission through the interface register.
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patent: 4196450 (1980-04-01), Miller et al.
patent: 4370706 (1983-01-01), Doniger et al.
patent: 4625156 (1986-11-01), Komiya et al.
patent: 4706002 (1987-11-01), Fukuyama
patent: 5038089 (1991-08-01), Szakaly
Kabushiki Kaisha Toshiba
Wysocki Jonathan
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