| 摘要 |
An articulated arm position detector (100) with integrated angular sensors is mounted on a trolley (1) which slides on a rail (3). The rail (3) may pivot about two orthogonal axes (6,7) using a fitting (9,10,11) fixed (5,8) to a rigid support (200) such as a reinforced concrete pillar. Sensors detect the pivoting angles and the trolley position and a computer uses the data and that of the position detector (100) to determine the feeler (107) position
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