抄録
This paper focuses on multiple unit control method to get fast response of SMA using resistance as feedback. Due to the existence of hysteresis effect, it is difficult to eliminate the latency time in order to get fast speed. Instead of controlling a single SMA wire, it is a useful method to acieve this aim by combining several units together named as multiple unit control method. The equations of the resistance, displacement and force have been developed because of the approximately linear relationship. The simulation results demonstrate that the proposed method shortens the cycle time of SMA actuator, especially for thick SMA.
