Electronic differential gear for controlling auto-leveling of full-servo drawing frame
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The utility model discloses an electronic differential gear for controlling auto-leveling of a full-servo drawing frame, which is arranged between a front roller encoder (8) and a back roller encoder (10) of the drawing frame and comprises a frequency divider (2), a digital filter (3), a pulse generator (4), a speed measuring module (5), a pulse synthesizer (6) and a speed synthesizer (7). Frequency division and filtering processing are conducted to output signals of the front roller encoder (8) and an auto-leveling controller (9) through the frequency divider (2) and the digital filter (3) respectively, and the output signals enter the pulse synthesizer (6) and simultaneously the speed synthesizer (7) after speed measuring and pulse measuring are conducted through the speed measuring module (5) and the pulse generator (4) respectively, thereby achieving differential control. The electronic differential gear has the advantages of having same rigidity with a mechanical differential gear and mechanical resonance depression performance, being flexible and adjustable, and the like.