Title:
サーボモータの同期制御装置
Document Type and Number:
Japanese Patent JP3514470
Kind Code:
B2
Abstract:
Position droops produced in main and auxiliary servo motors when main and auxiliary spindles are coupled to each other through a workpiece are obtained by adders, respectively, a difference between those position droops is obtained by a comparator before coupling, a divider divides the position droop difference by the speed of the auxiliary servo motor at the time of detecting the position droop to obtain a position droop difference per a unit speed. Then, after both the spindles are coupled to each other, a multiplier multiplies the position droop difference by the present speed of the auxiliary servo motor, and the adder adds that value to the position command to the auxiliary servo motor. With the above structure, even if coupling is made through the workpiece and synchronization drive is made, an excessive torque can be prevented from occurring, an influence of a change of the change gear ratio with a time is eliminated and a displacement occurring at the time of coupling is corrected.
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Inventors:
前沢 春見
篠原 芳男
篠原 芳男
Application Number:
JP50686199A
Publication Date:
March 31, 2004
Filing Date:
June 25, 1998
Export Citation:
Assignee:
三菱電機株式会社
International Classes:
G05B19/404; (IPC1-7): B23Q15/00; B23B3/30; B23Q5/10; G05B19/18
Attorney, Agent or Firm:
曾我 道照 （外６名）