| 摘要 |
An articulated support for a manually-operated power tool, such as a manually-positioned and trigger-operated tool having a driven rotary spindle for engagement with a work, includes a plurality of elongated segments that are connected by articulating joints to thereby define several relative joint angles. Angle sensors at the joints generate relative angle information that is used by a controller to determine when the tool has been placed in a position, relative to either the support's fixed base or the work, in which a selected tool operation is likely to be performed successfully. Thereafter, the controller enables trigger-operation of the tool, monitors the length of time that the selected tool operation is performed, and, preferably, determines the likelihood of a successful completion of the operation based at least in part on the monitoring.
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