| 摘要 |
PROBLEM TO BE SOLVED: To provide a servo controller capable of stable feedback control by using a feedback speed and a command speed closer to the actual speed of a control object, which hardly generate stepped changes. SOLUTION: Feedback position information x[j] read to a control operation means 17 at the time j is generated on the basis of the position of the control object 12 measured in a feedback information generation means 15 at the time i[j]. At the time of defining the time one cycle before the time j as j-1, the control operation means 17 performs a control operation on the basis of a speed v'[j] calculated by v'[j]=(x[j]-x[j-1])/(i[j]-i[i-1]).
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