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- 저자 : Yiqiao Guo (검색결과 2 건)
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DIntrusion Detection in WSN with an Improved NSA Based on the DE-CMOP
( Weipeng Guo ),( Yonghong Chen ),( Yiqiao Cai ),( Tian Wang ),( Hui Tian ) 한국인터넷정보학회 2017 KSII Transactions on Internet and Information Syst Vol.11 No.11
Inspired by the idea of Artificial Immune System, many researches of wireless sensor network (WSN) intrusion detection is based on the artificial intelligent system (AIS). However, a large number of generated detectors, black hole, overlap problem of NSA have impeded further used in WSN. In order to improve the anomaly detection performance for WSN, detector generation mechanism need to be improved. Therefore, in this paper, a Differential Evolution Constraint Multi-objective Optimization Problem based Negative Selection Algorithm (DE-CMOP based NSA) is proposed to optimize the distribution and effectiveness of the detector. By combining the constraint handling and multi-objective optimization technique, the algorithm is able to generate the detector set with maximized coverage of non-self space and minimized overlap among detectors. By employing differential evolution, the algorithm can reduce the black hole effectively. The experiment results show that our proposed scheme provides improved NSA algorithm in-terms, the detectors generated by the DE-CMOP based NSA more uniform with less overlap and minimumblack hole, thus effectively improves the intrusion detection performance. At the same time, the new algorithm reduces the number of detectors which reduces the complexity of detection phase. Thus, this makes it suitable for intrusion detection in WSN.
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Xinglin Du,Xiaochen Hou,Yiqiao Guo,Dong Jiang 한국섬유공학회 2021 Fibers and polymers Vol.22 No.3
In this study, cellulose acetate (CA)/poly-(γ-glutamic acid) (γ-PGA)/TiO2 fibrous membrane were prepared byelectrospinning. The wettability of the fibrous membrane was studied by using water contact angle measurements. Scanningelectron and thermogravimetric analyses were carried out to determine the microstructure of the fibers and the thermalstability of the membrane. A study was conducted on the corn seedlings grew of the CA/γ-PGA/TiO2 fibrous membranebasedagricultural film in soil at room temperature. Maize plant height, leaf area and SPAD (Soil and plant analyzerdevelopment) were investigated when covered with a CA/γ-PGA fibrous membrane and a CA/γ-PGA/TiO2 fibrousmembrane. In a simultaneous fashion, water absorption and degradation rate were also studied. Our study highlights thepotential use of these fibrous membranes for mulching film applications. The fibrous membrane may also find potentialapplication in food packing materials, facial masks and antimicrobial films of wound dressing.
ScienceON
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