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2022 International Conference on Wireless Communications, Electrical Engineering and Automation (WCEEA)最新文献

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Research Status of Plasma Activation Technology and its Prospect for Deer Oil Refining Process 等离子体活化技术在鹿油精制过程中的研究现状及展望
Ziyang Cheng, Dandan Lu, Lida Qin, Jinmao Li, Zhe Yu, Chun-guang Song
Deer oil has natural ingredients, which can penetrate epidermal cells and maintain its biological activity. At the same time, it also gets the effects of delaying skin aging and preventing skin diseases. In view of the industrial pain point of low utilization rate and serious waste of deer fat in the processing of deer products, taking sika deer oil as raw material, different methods of deer oil extraction processes are summed up. In view of the characteristics of plasma activation technology, such as sterilization and odor removal, plasma technology is proposed to refine deer oil in order to remove the bad flavor of deer oil and prolong the storage time, It provides a reference for the development and application of deer oil and its series products. Compared with ordinary vegetable oils, animal oils such as pigs, cattle, sheep and deer are commonly used in food processing industry because of their irreplaceable unique flavor [1]. In recent years, with the continuous improvement of people's pursuit of quality of life, it is found that the cholesterol content of some animal fats is high, which has a negative impact on health. Therefore, animal fats gradually fade out of people's table. With the rapid development of the processing industry and the continuous improvement of technology, animal oil is commonly used in washing, lubrication, cosmetics and other fields, and the market potential is huge. Therefore, it is of great significance and socio-economic value to study the extraction process of animal oil. Sika deer is a precious animal with medicinal value. Antler and deer fetus is more and more favored by people as health products, but a large amount of deer fat is not fully utilized as production waste every year [2]–[3]. Deer oil is easily absorbed by the skin and has the effects of anti-oxidation, delaying the skin aging, moisturizing and moisturizing, nourishing the skin [4]–[8]. Plasma is called the fourth state except gas, liquid and solid. In recent years, plasma technology is widely used in the field of materials, which can realize the surface cleaning and etching of materials, and is utilized for the oxidation and reduction of catalytic materials [9]–[10]. This paper briefly discusses the main extraction methods of deer oil in the industrial field, and puts forward a method of purifying deer oil by plasma technology.
鹿油含有天然成分,能渗透表皮细胞,保持其生物活性。同时,还能起到延缓皮肤衰老、预防皮肤病的作用。针对鹿制品加工中鹿脂利用率低、浪费严重的工业痛点,以梅花鹿油为原料,总结了鹿油提取工艺的不同方法。针对等离子体活化技术具有杀菌、除臭等特点,提出利用等离子体技术提纯鹿油,以去除鹿油的不良风味,延长贮存时间,为鹿油及其系列产品的开发应用提供参考。与普通植物油相比,猪、牛、羊、鹿等动物油因其不可替代的独特风味而被广泛应用于食品加工业中[1]。近年来,随着人们对生活品质追求的不断提高,人们发现一些动物脂肪中胆固醇含量偏高,对健康产生了负面影响。因此,动物脂肪逐渐淡出人们的餐桌。随着加工业的快速发展和技术的不断提高,动物油被广泛应用于洗涤、润滑、化妆品等领域,市场潜力巨大。因此,研究动物油的提取工艺具有重要的意义和社会经济价值。梅花鹿是一种具有药用价值的珍贵动物。鹿角和鹿胎作为保健品越来越受到人们的青睐,但每年大量的鹿脂肪作为生产废弃物没有得到充分利用[2]-[3]。鹿油易被皮肤吸收,具有抗氧化、延缓皮肤衰老、保湿保湿、滋养肌肤的作用[4]-[8]。等离子体被称为除气、液、固之外的第四种状态。近年来,等离子体技术被广泛应用于材料领域,它可以实现材料的表面清洗和蚀刻,并用于催化材料的氧化还原[9]-[10]。简要论述了工业领域中鹿油的主要提取方法,提出了一种等离子体技术纯化鹿油的方法。
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引用次数: 0
Evaluation of wind farm harmonic emission level based on parameter adaptive FastICA 基于参数自适应FastICA的风电场谐波排放水平评价
Shifeng Zhang, Xiao Chang, Shengwen Li, Jinhao Wang
The harmonic impedance at the wind farm side may not be much greater than the harmonic impedance at the system side due to the fan filter and reactive power compensation equipment. Therefore, the influence of the impedance at the wind farm side cannot be ignored when evaluating the harmonic emission level. A method for estimating harmonic impedance of system side based on parameter adaptive FastICA is proposed. According to the independence of the fluctuation amount of the harmonic sources on both sides of the PCC point, the parameter adaptive FastICA method is used to extract the independent components, and the least square method is used to solve the mixed matrix, and then the harmonic impedance on the system side is obtained. The approximate value of the harmonic impedance at the wind farm side is calculated through the parameters of the wind farm elements, and the influence of the harmonic impedance at the wind farm side is considered to evaluate the harmonic emission level. This method does not need to select the activation function according to the prior information of the probability density of the source signal, and has better separation effect of the source signal and anti background harmonic interference ability. The effectiveness of the proposed method is verified by simulation and measurement.
由于风机滤波器和无功补偿设备的存在,风电场侧的谐波阻抗可能不会比系统侧的谐波阻抗大很多。因此,在评估谐波发射水平时,风电场侧阻抗的影响不可忽视。提出了一种基于参数自适应FastICA的系统侧谐波阻抗估计方法。根据PCC点两侧谐波源波动量的独立性,采用参数自适应FastICA方法提取独立分量,并采用最小二乘法求解混合矩阵,得到系统侧谐波阻抗。通过风电场单元参数计算风电场侧谐波阻抗的近似值,并考虑风电场侧谐波阻抗的影响来评估谐波发射水平。该方法不需要根据源信号概率密度的先验信息选择激活函数,具有较好的源信号分离效果和抗背景谐波干扰能力。仿真和实测验证了该方法的有效性。
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引用次数: 0
Structural design of floating bucket wave energy power generation system 浮桶波浪能发电系统结构设计
Jun He, Rui Fan
In this paper, a miniaturized oscillating floating bucket wave power generation device is designed that can be installed on the offshore shore to generate electricity. The structure needs to be simple, easy to construct, low cost, high conversion efficiency and flexible installation position. We designed a set of mechanical structures to capture the wave energy through the floating bucket, and convert the up-and-down motion of the floating bucket into the rotating motion of the rotating shaft, which drives the generator to generate electricity after increasing the speed of the rotating shaft.
本文设计了一种小型振荡浮桶波浪发电装置,可安装在近海岸上发电。结构要求简单,施工方便,成本低,转换效率高,安装位置灵活。我们设计了一套机械结构,通过浮桶捕捉波浪能,将浮桶的上下运动转化为转轴的旋转运动,提高转轴的转速后驱动发电机发电。
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引用次数: 0
Simulation of Shunt Active Power Filter Basded on Adaptive Inverse Control 基于自适应逆控制的并联有源电力滤波器仿真
Longhai Fu, Hui Wang, Zuwei Huang
At present, with the widespread application of power technology in production and life, and the addition of more non-linear power electronic devices to the power grid, the impact of the power grid is getting more and more serious, resulting in greater power grid pollution, affecting the quality of electrical energy, and affecting normal production work. The active power filter can better compensate the non-linear load to generate harmonics and effectively reduce grid pollution. Therefore, based on adaptive inverse control, this paper studies parallel active power filters and constructs simulation experiments to analyze the compensation effect of active power filters under balanced and unbalanced loads, in order to provide an effective theoretical basis for solving grid pollution.
目前,随着电力技术在生产生活中的广泛应用,以及电网中加入更多的非线性电力电子设备,对电网的影响越来越严重,造成更大的电网污染,影响电能质量,影响正常的生产工作。有源电力滤波器能较好地补偿非线性负荷产生的谐波,有效地减少电网污染。因此,本文基于自适应逆控制,对并联有源电力滤波器进行研究,构建仿真实验,分析平衡和不平衡负载下有源电力滤波器的补偿效果,为解决电网污染提供有效的理论依据。
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引用次数: 0
Research on the Application of BIM Technology in Construction Cost Management BIM技术在工程造价管理中的应用研究
Zhi Xu, Xingqu Gao, Zhongquan Song, Xuwen Tian, Xiaohan Jiang
In the traditional project cost management, due to the influence of many factors, its calculation accuracy is not high enough, which brings great difficulties to the construction project cost management. Using BIM technology to build a cost management model can provide very intuitive analysis results for cost managers, thus providing strong technical support for cost management of construction projects. This paper analyzes the application of BIM technology in construction cost management.
在传统的工程造价管理中,由于受诸多因素的影响,其计算精度不够高,给建设工程造价管理带来了很大的困难。利用BIM技术构建成本管理模型,可以为成本管理者提供非常直观的分析结果,从而为建设项目的成本管理提供强有力的技术支持。本文分析了BIM技术在工程造价管理中的应用。
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引用次数: 3
Research and Development of an Improved Intelligent Operation Ticket System 一种改进型智能运单系统的研究与开发
Fang Yuan, Xiao Feng, Wencui Li, Dongyuan Li, Y. Liu
With the development of power system informatization, the operation ticket expert system has been widely used in power system. This study designs the dynamic behavior reasoning mechanism of Petri net based on the knowledge base of operation ticket constructed by Petri net model. By modifying the operation rules of Petri net and introducing suppression arc, the reasoning process is simplified, the reasoning efficiency is improved, and the conflict resolution in the reasoning process is realized. The example shows that the system can manage the power grid structure hierarchically, solve the problem of “state combination explosion”, and improve the universality and adaptability of the whole operation ticket expert system.
随着电力系统信息化的发展,运行票专家系统在电力系统中得到了广泛的应用。本研究基于Petri网模型构建的操作票据知识库,设计了Petri网的动态行为推理机制。通过修改Petri网的运算规则并引入抑制弧,简化了推理过程,提高了推理效率,实现了推理过程中的冲突解决。实例表明,该系统能够对电网结构进行分层管理,解决了“状态组合爆炸”问题,提高了整个运行票专家系统的通用性和适应性。
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引用次数: 0
The Design of isolated high voltage power supply based on LLC-DCT 基于plc - dct的隔离式高压电源设计
Junling Zhang, Ren Jin
With the development of the accuracy of electronic equipment, it constantly improves the quality requirement of the matching high-voltage power supply. However, Isolated high-voltage power supply is difficult to achieve high quality due to the particularity of sampling. In this paper, the design method of the optimal solution of dead time and shunt branch number of LLC resonant converer based on efficiency optimization is proposed, and the structure of matrix transformer is optimized to reduce eddy current loss and leakage inductance. Finally, the isolated LLC-DCT prototype is made with the power of 20kV/6kW and the frequency of 100kHz, which verifies the rationality and correctness of the design method
随着电子设备精度的发展,对配套高压电源的质量要求不断提高。然而,由于采样的特殊性,隔离式高压电源很难达到高质量。本文提出了基于效率优化的LLC谐振变换器死区时间和分流支路数最优解的设计方法,并对矩阵变压器结构进行了优化,以减小涡流损耗和漏感。最后,制作了功率为20kV/6kW、频率为100kHz的隔离型plc - dct样机,验证了设计方法的合理性和正确性
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引用次数: 0
The Aluminum Production Process is Optimized by Electrolysis Method 采用电解法对铝的生产工艺进行了优化
Rong Fu
Electrolysis is a redox reaction under the action of an electric field. Preparation of aluminum by electrolysis is using molten sodium aluminum fluoride as a solvent, molten alumina as a solute, carbon as the anode, aluminum solution as the cathode, under the action of the electric field, the temperature is 950°C -970°C, the electrochemical reaction on the poles in the electrolytic cell: 2Al203==4Al302. Anode reaction: 2O2--4e-=02↑ cathode reaction: Al3+3e=Al o The main electrolytic product of the anode is C02 and CO, which may also contain small amounts of HF and parts of solid particulate matter. In order to improve the air quality and meet the emission standards, it is necessary to treat the anode production of the exhaust gas, which can only be discharged into the air before meeting the emission standards. The electrolysis product of the cathode is aluminum, which is purified and clarified in the thermal insulation furnace, cast into aluminum ingot or directly processed into wire billet and profile.
电解是电场作用下的氧化还原反应。电解制备铝的方法是以熔融的氟化铝钠为溶剂,熔融的氧化铝为溶质,碳为阳极,铝溶液为阴极,在电场作用下,温度为950℃-970℃,电解槽内两极上的电化学反应:2Al203==4Al302。阳极反应:2O2—4e-=02↑阴极反应:Al3+3e=Al o阳极的主要电解产物为co2和CO,其中还可能含有少量HF和部分固体颗粒物。为了改善空气质量,达到排放标准,必须对废气的阳极生产进行处理,只有在达到排放标准之前才能排放到空气中。阴极的电解产物为铝,在绝热炉中提纯澄清后,浇铸成铝锭或直接加工成线坯和型材。
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引用次数: 0
Application and development trend of big data in communication service industry 大数据在通信服务行业的应用及发展趋势
Xiaoying Chen
Under the strong development momentum of the digital economy, the communication service industry and big data are integrated to form a new growth driving force. This paper points out the problems existing in the traditional communication industry, mainly focusing on the challenges of input and output, core capabilities, efficiency and security, and then briefly analysis the current situation and main application scenarios of the integration of the communication industry and big data, and finally looks forward to the trend of the integration and development of the communication industry and big data, believing that big data communication will restart industry growth, and drive innovation as a strategic support for high-quality development.
在数字经济强劲发展势头下,通信服务业与大数据融合,形成新的增长动力。本文指出了传统通信行业存在的问题,主要集中在投入产出、核心能力、效率和安全方面的挑战,然后简要分析了通信行业与大数据融合的现状和主要应用场景,最后展望了通信行业与大数据融合发展的趋势。相信大数据通信将重启行业增长,推动创新,成为高质量发展的战略支撑。
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引用次数: 0
The Research on Fingerprint Encryption Algorithm Based on The Error Correcting Code 基于纠错码的指纹加密算法研究
Liang Chang
In this paper, an overall introduction of fingerprint encryption algorithm is made, and then a fingerprint encryption algorithm with error correction is designed by adding error correction mechanism. This new fingerprint encryption algorithm can produce stochastic key in the form of multinomial coefficient by using the binary system sequencer, encrypt fingerprint, and use the Lagrange difference value to restore the multinomial during authenticating. Due to using the cyclic redundancy check code to find out the most accurate key, the accuracy of this algorithm can be ensured. Experimental result indicates that the fuzzy vault algorithm with error correction can well realize the template protection, and meet the requirements of biological information security protection. In addition, it also indicates that the system's safety performance can be enhanced by chanaing the key's length.
本文对指纹加密算法进行了总体介绍,然后通过增加纠错机制,设计了一种具有纠错功能的指纹加密算法。该指纹加密算法利用二进制序列器生成多项式系数形式的随机密钥,对指纹进行加密,并在认证过程中利用拉格朗日差分值还原多项式。由于采用循环冗余校验码查找最精确的密钥,保证了算法的准确性。实验结果表明,带纠错的模糊拱顶算法可以很好地实现模板保护,满足生物信息安全保护的要求。此外,还表明通过改变密钥的长度可以提高系统的安全性能。
{"title":"The Research on Fingerprint Encryption Algorithm Based on The Error Correcting Code","authors":"Liang Chang","doi":"10.1109/WCEEA56458.2022.00061","DOIUrl":"https://doi.org/10.1109/WCEEA56458.2022.00061","url":null,"abstract":"In this paper, an overall introduction of fingerprint encryption algorithm is made, and then a fingerprint encryption algorithm with error correction is designed by adding error correction mechanism. This new fingerprint encryption algorithm can produce stochastic key in the form of multinomial coefficient by using the binary system sequencer, encrypt fingerprint, and use the Lagrange difference value to restore the multinomial during authenticating. Due to using the cyclic redundancy check code to find out the most accurate key, the accuracy of this algorithm can be ensured. Experimental result indicates that the fuzzy vault algorithm with error correction can well realize the template protection, and meet the requirements of biological information security protection. In addition, it also indicates that the system's safety performance can be enhanced by chanaing the key's length.","PeriodicalId":143024,"journal":{"name":"2022 International Conference on Wireless Communications, Electrical Engineering and Automation (WCEEA)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123301449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
2022 International Conference on Wireless Communications, Electrical Engineering and Automation (WCEEA)
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