| 摘要 |
<p>In a method of detecting the absolute position of a servo control system which is controlled according to, for example, a numerical control program, the rotational ratio between a resolver (106) and an absolute encoder (110) which rotate together with a servo motor (105) is set at a predetermined value, and the absolute position of an operating shaft is detected with a high accuracy from rotational outputs of both the resolver (106) and the absolute encoder (110). It is possible to detect the absolute positions of a plurality of operating shafts by using a single detection circuit in common. </p> |
