| 摘要 |
<p>This controller, between a fixed base ( 1 ) and a control handle ( 4 ), comprises three similar arms ( 2 ) of which each comprises three links ( 5,6,7 ) jointed between the base and the handle platform by a pivot ( 8 ), two rotation joints ( 9 and 10 ) and a ball-joint ( 11 ). This controller with six degrees of freedom includes force feedback motors at the first and second joints ( 8 and 9 ) of which the first is fixed to the base ( 1 ) and the second to the first link ( 5 ), so that the first is immobile and the other has scarce movement; the third joint ( 10 ) is free. The resulting structure is simple and light not requiring any parallelogram, and kinematic singularities are greatly reduced.</p> |
