FIELD: electric engineering.
SUBSTANCE: into system for automatic adjustment of rotation frequency of executing tool of mechanism, flexibly connected to electric engine inserted are twice-positional, differential, twice-differential block, input of which is connected to output of electric engine rotation frequency sensor, and output is connected to second input of rotation frequency adjuster, current sensor, twice-positional, twice-differential block, input of which is connected to current sensor output, and output is connected to third input of rotation frequency adjuster, rotation frequency sensor of executing tool of mechanism, output of which is connected to fourth input of rotation frequency adjuster, filter is made in form of positional block of second order, rotation frequency adjuster is made in form of proportional, integral, twice-integral block.
EFFECT: higher precision.
1 dwg
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