期刊
ADVANCED FUNCTIONAL MATERIALS
卷 32, 期 21, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.202200241
关键词
artificial arc; flexible synaptic devices; ionic polymers; threshold switching; unconditioned reflex
类别
资金
- National Science Foundation of China (NSFC) [61888102, 61874111, 61625404, 62174152, 62022079]
- Key Research Program of Frontier Sciences, CAS [QYZDYSSW-JWC004]
- National Key Research and Development Program of China [2020YFB1506400]
- Beijing Advanced Discipline Fund
The simulation of human feelings, perceptions, and actions is an important application in medical treatment, human-computer interfaces, and intelligent robots. This article presents the use of a threshold-switching memristor to simulate an unconditioned reflex, achieving high current nonlinearity and flexibility. By integrating a flexible sensor and a flexible artificial muscle, an all-flexible complete reflex arc of an unconditioned reflex is formed. The threshold-switching memristor shows great potential for primary neuromorphological control and flexible intelligent medical treatment.
The simulation of human feelings, perceptions, and actions has become an important application field for medical treatment, human-computer interfaces, and intelligent robots. However, the need for various functional units hinders system integration. A threshold-switching memristor is used as the sympathetic nerve center to simulate an unconditioned reflex. High current nonlinearity (10(6)) is achieved by adopting a nanocontact structure, and high flexibility (bending radius of approximate to 5 mm) is obtained by combining the structure with a flexible polymer film. Furthermore, integrating a flexible sensor and a flexible artificial muscle made of ionic polymer-metal composite allows to form an all-flexible complete reflex arc of an unconditioned reflex. The threshold-switching memristor can provide strain-dependent control through simple control logic, indicating the great potential of adopting threshold-switching memristors for primary neuromorphological control and flexible intelligent medical treatment.
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