| 摘要 |
PURPOSE:To improve the tracking fidelity of speed or position with respect to a command value by providing a position detection means to each of a drive section and a section to be driven and giving weight to the outputs so as to feed back the result. CONSTITUTION:When a drive instruction including the control mode, position and speed command is given from a CPU 18, an interface board 19 compares the command with signals 37, 38 from a rotary encoder 8 and a linear scale 17 to output a speed command signal 25, a position command signal 26 and selection signals 27, 28 of servomotors, 1, 9. The speed command signal 25 is enabled by the selection signals 27, 28, sent to a driver 22 or 23 via a preamplifier 20 or 21 enabled by the selection signals 27, 28 the driver 22 or 23 receiving it outputs a voltage to a motor 1 or 9, and the output is adjusted based on a voltage 33 or 35 from a tachogenerator 2 or 10. Thus, the time delay is suppressed in the device having a complicated dynamic transmission system.
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