| 摘要 |
<p>An SMA actuation apparatus (1) comprises a support structure (4) on which a movable element (2) is supported. Four SMA actuator wires (11-14) are connected at their ends to one of the support structure (4) and the movable element (2) and being hooked over a respective connector (7) connected to the other. Pairs of the SMA actuator wires (11-14), on contraction, to drive movement of the movable element (2) relative to the support structure (4), through the respective connectors (7), in opposite directions in said plane (XY), that are orthogonal as between the pairs. Each connector (7) is compliant laterally to the direction in which the respective SMA actuator wire (11-14) drives movement of the movable element (2) relative to support structure (4).</p> |
