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Stability of discrete Hopfield neural networks with delay 被引量:1
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作者 Ma Runnian 1,2 , Lei Sheping3 & Liu Naigong41. Telecommunication Engineering Inst., Air Force Engineering Univ., Xi’an 710071, P. R. China 2. Key Lab of Information Sciences and Engineering, Dalian Univ., Dalian 111662, P. R. China +1 位作者 3. School of Humanity Law and Economics, Northwestern Polytechnical Univ., Xi’an 710072, P. R. China 4. Science Inst., Air Force Engineering Univ., Xi’an 710051, P. R. China 《Journal of Systems Engineering and Electronics》 SCIE EI CSCD 2005年第4期937-940,共4页
Discrete Hopfield neural network with delay is an extension of discrete Hopfield neural network. As it is well known, the stability of neural networks is not only the most basic and important problem but also foundati... Discrete Hopfield neural network with delay is an extension of discrete Hopfield neural network. As it is well known, the stability of neural networks is not only the most basic and important problem but also foundation of the network's applications. The stability of discrete HJopfield neural networks with delay is mainly investigated by using Lyapunov function. The sufficient conditions for the networks with delay converging towards a limit cycle of length 4 are obtained. Also, some sufficient criteria are given to ensure the networks having neither a stable state nor a limit cycle with length 2. The obtained results here generalize the previous results on stability of discrete Hopfield neural network with delay and without delay. 展开更多
关键词 discrete hopfield neural network with delay STABILITY limit cycle.
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基于离散Hopfield神经网络的化学实验室安全评估 被引量:5
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作者 韩红桂 王远 甄琪 《北京工业大学学报》 CAS CSCD 北大核心 2022年第11期1150-1158,共9页
针对高校化学实验室安全风险难以量化评估的问题,采用一种基于离散Hopfield神经网络(discrete Hopfield neural network,DHNN)的化学实验室安全评估方法.首先,利用层次分析法建立化学实验室安全状况多指标评估体系;然后,使用模糊综合评... 针对高校化学实验室安全风险难以量化评估的问题,采用一种基于离散Hopfield神经网络(discrete Hopfield neural network,DHNN)的化学实验室安全评估方法.首先,利用层次分析法建立化学实验室安全状况多指标评估体系;然后,使用模糊综合评价法对评估指标进行量化,对评估指标编码;最后,使用学习率对DHNN进行优化,将该方法与传统评估方法进行对比,结果表明该方法能够实现对样本的准确评估.将该方法应用于高校危险化学品实验室安全评估过程中,仿真实验结果表明该方法构建的指标体系合理可行且评估精度较高. 展开更多
关键词 实验室 层次分析法 模糊综合评价 离散hopfield神经网络(discrete hopfield neural network DHNN) 安全状况 指标编码
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Modified 2 Satisfiability Reverse Analysis Method via Logical Permutation Operator
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作者 Siti Zulaikha Mohd Jamaludin MohdAsyraf Mansor +3 位作者 Aslina Baharum Mohd Shareduwan Mohd Kasihmuddin Habibah A.Wahab Muhammad Fadhil Marsani 《Computers, Materials & Continua》 SCIE EI 2023年第2期2853-2870,共18页
The effectiveness of the logic mining approach is strongly correlated to the quality of the induced logical representation that represent the behaviour of the data.Specifically,the optimum induced logical representati... The effectiveness of the logic mining approach is strongly correlated to the quality of the induced logical representation that represent the behaviour of the data.Specifically,the optimum induced logical representation indicates the capability of the logic mining approach in generalizing the real datasets of different variants and dimensions.The main issues with the logic extracted by the standard logic mining techniques are lack of interpretability and the weakness in terms of the structural and arrangement of the 2 Satisfiability logic causing lower accuracy.To address the issues,the logical permutation serves as an alternative mechanism that can enhance the probability of the 2 Satisfiability logical rule becoming true by utilizing the definitive finite arrangement of attributes.This work aims to examine and analyze the significant effect of logical permutation on the performance of data extraction ability of the logic mining approach incorporated with the recurrent discrete Hopfield Neural Network.Based on the theory,the effect of permutation and associate memories in recurrent Hopfield Neural Network will potentially improve the accuracy of the existing logic mining approach.To validate the impact of the logical permutation on the retrieval phase of the logic mining model,the proposed work is experimentally tested on a different class of the benchmark real datasets ranging from the multivariate and timeseries datasets.The experimental results show the significant improvement in the proposed logical permutation-based logic mining according to the domains such as compatibility,accuracy,and competitiveness as opposed to the plethora of standard 2 Satisfiability Reverse Analysis methods. 展开更多
关键词 Logic mining logical permutation discrete hopfield neural network knowledge extraction
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