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摘要
This article presents a novel electric-responsive actuator which is discovered from one of nature phenomena. The proposed actuator is water itself which can convert electric energy into mechanical energy. Since the proposed actuator is activated by applying electric voltage to the water layer, it is called an electric-responsive water layer actuator (ERWLA in short) system. The micro-mechanism of this actuator system is based on the interaction between electric energy and the polarity of water which causes the flow of water, and subsequently generates mechanical motion. With this micro-mechanism, we can create actuating force to modulate dynamic motion using two hydrophobic materials featured by different properties of wettability. To demonstrate the effectiveness of the proposed ERWLA mechanism, actuating characteristics such as response time, maximum variation of displacement are evaluated. In addition, using a proportional-integral-derivative (PID) controller associated with the proposed actuator, control experiments are undertaken showing excellent displacement trajectory tracking control performance in micrometer range.
- 出版日期2015-11-1
