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Study on the Preparation and Adsorption Property of Polyvinyl Alcohol/Cellulose Nanocrystal/Graphene Composite Aerogels(PCGAs)

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Journal of Renewable Materials 2019年第11期7卷 1181-1195页

作者： Yan Wu Xinyu Wu Feng Yang Li Xu Meng Sun college of Furnishings and Industrial design Nanjing Forestry UniversityNanjing210037China fashion Accessory Art and engineering college Beijing Institute of Fashion TechnologyBeijing100029China

The cellulose nanocrystals/graphene composite aerogel(CGA)and polyvinyl alcohol/cellulose nanocrystals/graphene composite aerogel(PCGA)were prepared by suspension titration,tert-butanol solution replacement and freeze-drying successively.The removal rates of methyl blue(MB)from water by CGA and PCGA were evaluated and the effects of additions,adsorption time,reaction temperature and pH value of CGA and PCGA on MB removal rate were discussed.It was found that the optimal concentrations of both CGA and PCGA were 2 g∙L-1 in the adsorption reaction process and the adsorption equilibrium was reached within 120 min.The higher the initial pH value of MB solution is,the better the removal effect will be.The adsorption kinetics conformed to the pseudo-second-order kinetic model.The langmuir isothermal adsorption equation showed the maximum adsorption capacities of CGA and PCGA were 125 mg∙g-1 and 110.9 mg∙g-1,respectively.Under the conditions of adsorption time of 120 min,reaction temperature of 323 K,and initial MB solution pH value of 11,both CGA and PCGA had higher removal rates of MB,reaching more than 98%.

关键词： Cellulose nanocrystal graphene aerogel adsorption

Effect of Phase Change Materials on the Thermal Protective Performance of the Multi-layered Fabrics Examined by TPP Tester under Flash Fire

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维普期刊数据库

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Journal of Donghua University(English Edition) 2016年第1期33卷 150-154页

作者：赵蒙蒙李俊 fashion college Shanghai University of Engineering Science Protective Clothing Research Center Fashion InstituteDonghua University Key Laboratory of Clothing design and Technology Donghua University

Cotton fabrics treated with phase change materials( PCMs)were used in multi-layered fabrics of the fire fighter protective clothing to study its effect on thermal protection. The thermal protective performance( TPP) of the multi-layered fabrics was measured by a TPP tester under flash fire. Results showed that the utilization of the PCM fabrics improved the thermal protective performance of the multi-layered fabrics. The fabric with a PCM add on of 41. 9% increased the thermal protection by 50. 6% and reduced the time to reach a second degree burn by 8. 4 s compared with the reference fabrics( without PCMs). The employment of the PCM fabrics also reduced the blackened areas on the inner layers. The PCM fabrics with higher PCM melting temperature could bring higher thermal protective performance.

关键词： phase change material(PCM) multi-layered fabrics thermal protection performance(TPP) fire fighter protective clothing

Wearing Comfort of Women's Pantyhose in Winter

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Journal of Donghua University(English Edition) 2016年第4期33卷 637-639页

作者：赵蒙蒙李俊李艳梅林若昀 fashion college Shanghai University of Engineering Science Protective Clothing Research Center Fashion InstituteDonghua University Key Laboratory of Clothing design and Technology Donghua University

The wearing comfort of clothing has been frequently investigated,but there are few researches on the wearing comfort of pantyhose. This study first carried out a questionnaire survey on female consumers to know about their preference and demand on pantyhose. Then thermal manikin test and subject wearing trials were performed to evaluate the commonly used pantyhose. It was found that female consumers felt cold on the legs when wearing pantyhose which puts forward more requirements on pantyhose for its ability to keep warm. The thinner and more permeable the pantyhose,the thermal insulation was smaller. And the thicker the pantyhose,the pressure it caused to the body was higher. Sample 1# brought the highest prickle sensation, and prickle sensation was increased with the movement of the body. Samples 2# and 3# caused the highest and lowest thermal sensation,which was in line with their thermal insulation.

关键词： pantyhose thermal comfort pressure comfort

Surface Quality Evaluation of Fluff Fabric Based on Particle Swarm Optimization Back Propagation Neural Network

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Journal of Donghua University(English Edition) 2019年第6期36卷 539-546页

作者：马秋瑞林强强金守峰 college of fashion and Art of design Xi'an Polytechnic UniversityXi'an 710048China college of Mechanical and Electrical engineering Xi'an Polytechnic UniversityXi'an 710048China

Aiming at the problem that back propagation(BP)neural network predicts the low accuracy rate of fluff fabric after fluffing process,a BP neural network model optimized by particle swarm optimization(PSO)algorithm is proposed.The sliced image is obtained by the principle of light-cutting imaging.The fluffy region of the adaptive image segmentation is extracted by the Freeman chain code principle.The upper edge coordinate information of the fabric is subjected to one-dimensional discrete wavelet decomposition to obtain high frequency information and low frequency information.After comparison and analysis,the BP neural network was trained by high frequency information,and the PSO algorithm was used to optimize the BP neural network.The optimized BP neural network has better weights and thresholds.The experimental results show that the accuracy of the optimized BP neural network after applying high-frequency information training is 97.96%,which is 3.79%higher than that of the unoptimized BP neural network,and has higher detection accuracy.

关键词： wool fabric feature extraction wavelet transform particle swarm optimization(PSO) back propagation(BP)neural network

Maximum Correntropy Kalman Filtering for Non-Gaussian Systems With State Saturations and Stochastic Nonlinearities

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IEEE/CAA Journal of Automatica Sinica 2023年第5期10卷 1223-1233页

作者： Bo Shen Xuelin Wang Lei Zou the college of Information Science and Technology Donghua UniversityShanghai 201620 the engineering Research Center of Digitalized Textile and fashion Technology Ministry of EducationShanghai 201620China

This paper tackles the maximum correntropy Kalman filtering problem for discrete time-varying non-Gaussian systems subject to state saturations and stochastic nonlinearities. The stochastic nonlinearities, which take the form of statemultiplicative noises, are introduced in systems to describe the phenomenon of nonlinear disturbances. To resist non-Gaussian noises, we consider a new performance index called maximum correntropy criterion(MCC) which describes the similarity between two stochastic variables. To enhance the “robustness” of the kernel parameter selection on the resultant filtering performance, the Cauchy kernel function is adopted to calculate the corresponding correntropy. The goal of this paper is to design a Kalman-type filter for the underlying systems via maximizing the correntropy between the system state and its estimate. By taking advantage of an upper bound on the one-step prediction error covariance, a modified MCC-based performance index is constructed. Subsequently, with the assistance of a fixed-point theorem, the filter gain is obtained by maximizing the proposed cost function. In addition, a sufficient condition is deduced to ensure the uniqueness of the fixed point. Finally, the validity of the filtering method is tested by simulating a numerical example.

关键词： Fixed-point theorem maximum correntropy criterion non-Gaussian noises state saturations stochastic nonlinearities

Preparation and Properties of Heat Resistant Polylactic Acid(PLA)/Nano-SiO2 Composite Filament

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Journal of Wuhan University of Technology(Materials Science) 2016年第1期31卷 164-171页

作者：吴改红刘淑强 JIA Husheng DAI Jinming college of Textile engineering Taiyuan University of Technology Taiyuan 030024 China fashion & Art design Institute DongHua University Shanghai 200051 China college of Materials Science and engineering Taiyuan University of Technology Taiyuan 030024 China

In order to improve the thermal properties of polylactic acid（PLA） filament,nano-SiO_2 was applied to mix with PLA,then they were spun as composite filament by melt-spinning.The dispersion of nano SiO_2 and the fracture surfaces of filaments were studied by scanning electron microscopy（SEM）.The properties of composite filament,such as orientation degree,mechanical properties,and surface friction properties,were analyzed.The thermal performances of composite filament were analyzed by differential scanning calorimetry（DSC） and thermo gravimetric analysis（TGA）.The results showed that the nano-SiO_2 modified by 5% KH-550 could disperse evenly and loosely in nano-scale,and 1 wt% and 3 wt% nano-SiO_2 dispersed throughout PLA evenly.As the quantity of nano-SiO_2 increased,the properties of composite filament,such as orientation degree,friction coefficient,thermal decomposition temperature,and glass transition temperature,increased more or less.The breaking tenacity increased when 1 wt% SiO_2 was added in PLA,but declined when 3 wt% SiO_2 was added.

关键词： polylactic acid PLA composite filament nano-silicon dioxide（nano-SiO_2） thermal property

Research-oriented Teaching in Knitting Technology Course

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Research-oriented Teaching in Knitting Technology Course

design and Implementation of Computer-Aid Garment Coordination Tool Using Fuzzy Neural Network

第5届教育教学改革与管理工程学术年会

作者： Yixi LUO college of Textile engineering and fashion design Shaoxing University

In order to meet the requirement of social and economic development, based on the research-oriented teaching, cultivating innovative ability for Chinese colleges is necessary in society today. Therefore, in this paper, the necessity of research-oriented teaching and its present situation among domestic and overseas colleges were analyzed and summarized firstly. And then, the process mode of research-oriented teaching was discussed. Finally, the knitting technology course was taken as an application example to show how to carry out research-oriented teaching in practice.

关键词： research-oriented teaching capacity teaching mode knitting technology course

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Journal of Donghua University(English Edition) 2010年第2期27卷 131-134页

作者：陈彬曾献辉丁永生 fashion Art design Institute Donghua University engineering Research Center of Digitized Textile & fashion Technology Ministry of EducationDonghua University college of Information Science and Technology Donghua University

By modeling the decision-making process of garment coordination of fashion designers,a kind of computer-aid garment coordination using fuzzy neural network was proposed. The Takagi-Sugeno Fuzzy Neural Network (TSFNN) is used to learn the knowledge and rules of fashion designers on garment coordination and calculate the garment coordination satisfaction index (GCSI). The implementation of the computer-aid garment coordination tool is divided into two stages. The first stage is to acquire the knowledge of garment coordination. The second stage is to train and use the fuzzy neural network to conduct garment coordination. Three layers structure were also discussed for developing the system. By applying the computer-aid garment coordination tool into a real fashion-retailing store,the experimental results show the system performs well with choosing a suitable value for screening out the satisfaction coordination pairs.

关键词：服装协作服装协作满足索引(GCSI ) 模糊神经网络(FNN )

Contemporary Social design Principles in HCI design

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Contemporary Social Design Principles in HCI Design