知搜-全球专利检索

  1. 登录
  2. 注册
发明公开
CN109417121A EAP致动器和驱动方法 审中-实审

EAP致动器和驱动方法
摘要：
一种电活性聚合物致动器包括电活性聚合物结构和用于提供致动驱动信号的驱动器。在一个方面中，第一驱动电平被用于将电活性聚合物结构从非致动状态充电到致动状态。在电活性聚合物结构达到致动状态时或之后，较低的第二驱动电平被用于将电活性聚合物结构保持在致动状态处。该临时过驱动方案改进了速度响应，而不损坏电活性聚合物结构。在另一方面中，一种驱动方法随时间利用若干不同的电平段，所述若干不同的电平段补偿EAP致动器的延迟致动响应。
摘要（英）：

An electroactive polymer actuator comprises an electroactive polymer structure and a driver for providing an actuation drive signal. In one aspect a first drive level is used to charge the electroactive polymer structure from a non-actuated state to an actuated state. When or after the electroactive polymer structure reaches the actuated state, a lower second drive level is used to hold the electroactive polymer structure at the actuated state. The temporary overdrive scheme improves the speed response without damaging the electroactive polymer structure. In another aspect, a driving method makes use of several different level segments over time which compensate for the delayed actuation response of the EAP actuator.

0/0