The synapse of human brain neurons is not only the transmission channel of information,but also the basic unit of human brain learning and information storing.The artificial synapse is constructed based on the Sr_(0.9...The synapse of human brain neurons is not only the transmission channel of information,but also the basic unit of human brain learning and information storing.The artificial synapse is constructed based on the Sr_(0.97)Ba_(0.03)TiO_(3-x)(SBT)memristor,which realizes the short-term and long-term plasticity of the synapse.The experiential learning and non-associative learning behavior in accordance with human cognitive rules are realized by using the SBT-memristor-based synapse.The process of synaptic habituation and sensitization is analyzed.This study provides insightful guidance for realization of artificial synapse and the development of artificial neural network.展开更多
Implementing memory using nonvolatile, low power, and nano-structure memristors has elicited widespread interest.In this paper, the SPICE model of Sr_(0.95)Ba_(0.05)TiO_(3)(SBT)-memristor was established and the corre...Implementing memory using nonvolatile, low power, and nano-structure memristors has elicited widespread interest.In this paper, the SPICE model of Sr_(0.95)Ba_(0.05)TiO_(3)(SBT)-memristor was established and the corresponding characteristic was analyzed. Based on an SBT-memristor, the process of writing, reading, and rewriting of the binary and multi-value memory circuit was analyzed. Moreover, we verified the SBT-memristor-based 4×4 crossbar binary and multi-value memory circuits through comprehensive simulations, and analyzed the sneak-path current and memory density. Finally, we apply the 8×8 crossbar multi-value memory circuits to the images memory.展开更多
A two-SBT-memristor-based chaotic circuit was proposed. The stability of the equilibrium point was studied by theoretical analysis. The close dependence of the circuit dynamic characteristics on its initial conditions...A two-SBT-memristor-based chaotic circuit was proposed. The stability of the equilibrium point was studied by theoretical analysis. The close dependence of the circuit dynamic characteristics on its initial conditions and circuit parameters was investigated by utilizing Lyapunov exponents spectra, bifurcation diagrams, phase diagrams, and Poincaré maps. The analysis showed that the circuit system had complex dynamic behaviors, such as stable points, period, chaos, limit cycles,and so on. In particular, the chaotic circuit produced the multistability phenomenon, such as coexisting attractors and coexisting periods.展开更多
基金the National Natural Science Foundation of China(Grant Nos.61703246 and 61703247)the Qingdao Science and Technology Plan Project(Grant No.19-6-2-2-cg)the Elite Project of Shandong University of Science and Technology。
文摘The synapse of human brain neurons is not only the transmission channel of information,but also the basic unit of human brain learning and information storing.The artificial synapse is constructed based on the Sr_(0.97)Ba_(0.03)TiO_(3-x)(SBT)memristor,which realizes the short-term and long-term plasticity of the synapse.The experiential learning and non-associative learning behavior in accordance with human cognitive rules are realized by using the SBT-memristor-based synapse.The process of synaptic habituation and sensitization is analyzed.This study provides insightful guidance for realization of artificial synapse and the development of artificial neural network.
基金supported by the National Natural Science Foundation of China (Grant Nos. 61703246 and 61703247), the Qingdao Science and Technology Plan Project (Grant No. 19-6-2-2-cg)the Elite Project of Shandong University of Science and Technology。
文摘Implementing memory using nonvolatile, low power, and nano-structure memristors has elicited widespread interest.In this paper, the SPICE model of Sr_(0.95)Ba_(0.05)TiO_(3)(SBT)-memristor was established and the corresponding characteristic was analyzed. Based on an SBT-memristor, the process of writing, reading, and rewriting of the binary and multi-value memory circuit was analyzed. Moreover, we verified the SBT-memristor-based 4×4 crossbar binary and multi-value memory circuits through comprehensive simulations, and analyzed the sneak-path current and memory density. Finally, we apply the 8×8 crossbar multi-value memory circuits to the images memory.
基金Project supported by the National Natural Science Foundation of China (Grant Nos. 61703247 and 61703246)the Qingdao Science and Technology Plan Project, China (Grant No. 19-6-2-2-cg)the Elite Project of Shandong University of Science and Technology, and the Taishan Scholar Project of Shandong Province of China
文摘A two-SBT-memristor-based chaotic circuit was proposed. The stability of the equilibrium point was studied by theoretical analysis. The close dependence of the circuit dynamic characteristics on its initial conditions and circuit parameters was investigated by utilizing Lyapunov exponents spectra, bifurcation diagrams, phase diagrams, and Poincaré maps. The analysis showed that the circuit system had complex dynamic behaviors, such as stable points, period, chaos, limit cycles,and so on. In particular, the chaotic circuit produced the multistability phenomenon, such as coexisting attractors and coexisting periods.
