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学者姓名:章杰
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Micro energy sources as the nucleus of intelligent microdevices guarantee their full autonomy in the dimensions of time and space. However, the state-of-the-art micro energy storage components, like all-solid-state thin-film microbatteries (ASSTFBs), whose direct integration is impeded by the stereotyped vacuum-based manufacturing technologies, for which an inevitable high-temperature annealing step (> 500 degrees C) can exert catastrophic effects on the attached microdevices during the crystallization of manufactured insertion thin-film cathodes, especially in flexible integration. Herein, a prototype construction is created to benchmark concrete feasibility for the low-temperature manufacturing of ASSTFBs via a nonvacuum-based spin-coating electrode architecture. Results show that the spin-coated LiFePO4 films enable low-temperature (approximate to 45 degrees C) manufacturing of ASSTFBs, by which it can deliver excellent cycling performance up to 1000 cycles. Importantly, this technology presents the versatility of integrating various cathode composites into ASSTFBs and is therefore generalized to the LiCoO2- and Li4Ti5O12-based solid-state chemistries. Furthermore, ASSTFBs with such compliant electrodes manifest outstanding flexibility without pronounced capacity degradation by successfully integrating on flexible temperature-sensitive substrates. The spin-coating protocol provides a general solution for excessive processing temperatures and ample opportunities for the development of on-chip integratable and flexible ASSTFBs.
Keyword :
flexible batteries flexible batteries LiPON LiPON microbatteries microbatteries on-chip integration on-chip integration spin-coating spin-coating
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GB/T 7714 | Ke, Bingyuan , Cheng, Shoulin , Zhang, Congcong et al. Low-Temperature Flexible Integration of All-Solid-State Thin-Film Lithium Batteries Enabled by Spin-Coating Electrode Architecture [J]. | ADVANCED ENERGY MATERIALS , 2024 , 14 (12) . |
MLA | Ke, Bingyuan et al. "Low-Temperature Flexible Integration of All-Solid-State Thin-Film Lithium Batteries Enabled by Spin-Coating Electrode Architecture" . | ADVANCED ENERGY MATERIALS 14 . 12 (2024) . |
APA | Ke, Bingyuan , Cheng, Shoulin , Zhang, Congcong , Li, Wangyang , Zhang, Jie , Deng, Renming et al. Low-Temperature Flexible Integration of All-Solid-State Thin-Film Lithium Batteries Enabled by Spin-Coating Electrode Architecture . | ADVANCED ENERGY MATERIALS , 2024 , 14 (12) . |
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针对新建光伏发电站在光伏功率预测过程中因缺少训练数据导致预测精度较低和光伏发电功率的不稳定等问题,提出一种结合改进的深度卷积生成对抗网络(DCGAN)、注意力机制(Attention)和LSTM网络组合的光伏功率预测方法.首先,将DCGAN中生成器的特征提取网络由二维卷积改为一维卷积,对光伏数据进行扩充.其次,将Attention模块加入LSTM模块中,生成新的输入特征.最后,对新生成的LSTM模型进行功率预测,并采用澳大利亚沙漠知识太阳能中心(DKASC)Alice Springs电站的数据进行验证.实验结果表明,结合深层卷积生成的对抗网络与Attention-LSTM混合预测方法能有效提升预测精度.
Keyword :
光伏功率预测 光伏功率预测 注意力机制 注意力机制 深度卷积生成对抗网络 深度卷积生成对抗网络 长短期记忆网络 长短期记忆网络
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GB/T 7714 | 徐柔 , 章杰 , 赖松林 et al. 结合改进的DCGAN和Attention-LSTM的光伏功率预测 [J]. | 福州大学学报(自然科学版) , 2023 , 51 (4) : 498-504 . |
MLA | 徐柔 et al. "结合改进的DCGAN和Attention-LSTM的光伏功率预测" . | 福州大学学报(自然科学版) 51 . 4 (2023) : 498-504 . |
APA | 徐柔 , 章杰 , 赖松林 , 林培杰 , 卢箫扬 , 余平平 . 结合改进的DCGAN和Attention-LSTM的光伏功率预测 . | 福州大学学报(自然科学版) , 2023 , 51 (4) , 498-504 . |
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本发明涉及一种基于长短期记忆神经网络的智慧路灯控制方法。从气象网站获取路灯所在地的湿度、风速、PM2.5、PM10等气象数据,并利用照度传感器采集照度信息,以此作为智慧路灯控制的样本数据集;对每个样本信号进行归一化处理;调用长短期记忆神经网络算法,以湿度、风速、PM2.5、PM10作为模型的输入特征,能见度作为模型的输出,构建能见度检测算法模型;结合能见度检测算法模型所得的能见度情况与当前的照度情况构建路灯控制策略;根据所构建的路灯控制策略,在高能见度时,采用普通亮度与高色温照明模式,节约能源;在低能见度时输出更高的亮度与更低的色温,增强路灯透雾能力。本发明能够实现不同能见度下的路灯自适应调光。
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GB/T 7714 | 林培杰 , 程树英 , 章杰 et al. 一种基于长短期记忆神经网络的智慧路灯控制方法 : CN202210682896.0[P]. | 2022-06-15 00:00:00 . |
MLA | 林培杰 et al. "一种基于长短期记忆神经网络的智慧路灯控制方法" : CN202210682896.0. | 2022-06-15 00:00:00 . |
APA | 林培杰 , 程树英 , 章杰 , 郑伟彬 , 陈志聪 , 吴丽君 et al. 一种基于长短期记忆神经网络的智慧路灯控制方法 : CN202210682896.0. | 2022-06-15 00:00:00 . |
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针对用户家中服装存放无序、分类管理难度大且效率低下等问题,提出了一种基于树莓派的服装识别系统,该系统使用树莓派作为嵌入式开发板。系统通过树莓派调用摄像头获取待存放的服装图片,将图像传输到已训练好的MobileNet模型为核心的服装识别系统中进行类型识别;最后将服装识别的结果和相对应的储存位置通过语音的方式告知用户,以便用户快速准确地找到服装储存的位置。经实验测试,服装识别的正确率为95.19%。系统能够在准确识别服装的基础上,获取该类服装在衣橱中的存放位置,以帮助用户高效、准确地分类管理不同款式的服装。
Keyword :
MobileNet模型 MobileNet模型 服装识别 服装识别 树莓派 树莓派
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GB/T 7714 | 江美玲 , 章杰 . 基于树莓派的服装识别系统设计 [J]. | 传感器与微系统 , 2021 , 40 (01) : 98-100,103 . |
MLA | 江美玲 et al. "基于树莓派的服装识别系统设计" . | 传感器与微系统 40 . 01 (2021) : 98-100,103 . |
APA | 江美玲 , 章杰 . 基于树莓派的服装识别系统设计 . | 传感器与微系统 , 2021 , 40 (01) , 98-100,103 . |
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Concurrent multipath transmission provides an effective solution for streaming high-quality mobile videos in heterogeneous wireless networks. Rate control is commonly adopted in multimedia communication systems to fully utilize the available network bandwidth. This paper proposes a novel rate control for concurrent multipath video transmission. The existing rate control algorithms mainly adapt bit rate in the short-term pattern, i.e., without considering the long-term video transmission quality. We propose a long-term rate control scheme that takes into account the status of both the transmission buffer and video frames. First, a mathematical model is developed to formulate the non-convex problem of long-term quality maximization. Second, we develop a dynamic programming solution for online encoding bit rate control based on buffer status. The performance evaluation is conducted in a real test bed over LTE and Wi-Fi networks. Experimental results demonstrate that the proposed long-term rate control scheme achieves appreciable improvements over the short-term rate control schemes in terms of video quality and delay performance.
Keyword :
Heterogeneous wireless networks Heterogeneous wireless networks Lyapunov optimization Lyapunov optimization Multi-homing Multi-homing Rate control Rate control Video coding Video coding Visual communications Visual communications
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GB/T 7714 | Chen, Feng , Zhang, Jie , Zheng, Mingkui et al. Long-term rate control for concurrent multipath real-time video transmission in heterogeneous wireless networks* [J]. | JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION , 2021 , 77 . |
MLA | Chen, Feng et al. "Long-term rate control for concurrent multipath real-time video transmission in heterogeneous wireless networks*" . | JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION 77 (2021) . |
APA | Chen, Feng , Zhang, Jie , Zheng, Mingkui , Wu, Jiyan , Ling, Nam . Long-term rate control for concurrent multipath real-time video transmission in heterogeneous wireless networks* . | JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION , 2021 , 77 . |
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Lithium is deemed as the anticipated anode for the next-generation energy storage system. Nevertheless, its commercial application is greatly hindered by the uneven deposition and volume expansion in the process of lithium plating and stripping. Here, a three-dimensional lithiophilic current collector with in situ grown CuO nanowire arrays on Cu foam has been demonstrated to effectively ameliorate the above problems. Beneficial from the large specific surface area and lithiophilicity properties, CuO nanowire arrays prominently diminish the local current density and nucleation overpotential, resulting in uniform lithium deposition. Moreover, the optimized anode exhibits a prolonged lifespan for more than 280 cycles at 0.5 mA cm(-2) and a high coulombic efficiency of 95.5% for over 150 cycles at 3 mA cm(-2) in an assembled half cell, which is maintained steadily for 540 h in a symmetric cell with good capacity retention capabilities in a full cell. This facile approach provides a feasible strategy to realize stable lithium deposition and a high-performance lithium metal anode.
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GB/T 7714 | Cao, Jiaqi , Deng, Liying , Wang, Xinghui et al. Stable Lithium Metal Anode Achieved by In Situ Grown CuO Nanowire Arrays on Cu Foam [J]. | ENERGY & FUELS , 2020 , 34 (6) : 7684-7691 . |
MLA | Cao, Jiaqi et al. "Stable Lithium Metal Anode Achieved by In Situ Grown CuO Nanowire Arrays on Cu Foam" . | ENERGY & FUELS 34 . 6 (2020) : 7684-7691 . |
APA | Cao, Jiaqi , Deng, Liying , Wang, Xinghui , Li, Wangyang , Xie, Yonghui , Zhang, Jie et al. Stable Lithium Metal Anode Achieved by In Situ Grown CuO Nanowire Arrays on Cu Foam . | ENERGY & FUELS , 2020 , 34 (6) , 7684-7691 . |
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本文设计了一个太阳能自供电温湿度监测系统,利用太阳能电池板吸收太阳能,并通过CN3791调控使太阳能电池始终以最大功率点供能,同时在太阳能光照充足的情况下,让太阳能电池给锂电池充电,这样在太阳能光照强度不足的情况下利用锂电池维持系统的正常运行.以ESP8266为核心控制芯片,利用GPRS节点连接到互联网上,传输温湿度模块测量的数据,并利用MQTT将数据传输到物联网平台上,实现后台实时监测,这样不需要连接到WiFi也可以实时观测温湿度数据.
Keyword :
A9G A9G CN3791 CN3791 ESP8266 ESP8266 太阳能电池 太阳能电池 物联网 物联网 自供电 自供电
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GB/T 7714 | 胡镒良 , 章杰 , 王星辉 . MQTT协议的自供电温湿度监测系统 [J]. | 单片机与嵌入式系统应用 , 2020 , 20 (7) : 69-71 . |
MLA | 胡镒良 et al. "MQTT协议的自供电温湿度监测系统" . | 单片机与嵌入式系统应用 20 . 7 (2020) : 69-71 . |
APA | 胡镒良 , 章杰 , 王星辉 . MQTT协议的自供电温湿度监测系统 . | 单片机与嵌入式系统应用 , 2020 , 20 (7) , 69-71 . |
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本实用新型涉及一种自供电温室大棚监控系统,包括光伏板、BOOST升压电路、锂电池、供电电路、电压检测电路、电流检测电路、传感器模块、主控模块、WIFI模块以及执行模块;所述光伏板经BOOST升压电路与锂电池相连,所述锂电池通过供电电路为其余各模块提供工作电压;所述主控模块分别与电压检测电路、电流检测电路、传感器模块、执行模块以及WIFI模块电性相连。本实用新型采用光伏电池给锂电池充电,然后利用锂电池给整个监控系统供电,达到自供电的效果,能够充分有效地利用周边的清洁能源。
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GB/T 7714 | 王星辉 , 胡镒良 , 章杰 et al. 一种自供电温室大棚监控系统 : CN202022943681.9[P]. | 2020-12-11 . |
MLA | 王星辉 et al. "一种自供电温室大棚监控系统" : CN202022943681.9. | 2020-12-11 . |
APA | 王星辉 , 胡镒良 , 章杰 , 程树英 . 一种自供电温室大棚监控系统 : CN202022943681.9. | 2020-12-11 . |
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针对传统的烟雾报警系统具有布线施工复杂,无法实时监控导致火情发现滞后,设备损坏无法及时检修,从而造成火灾造成人员伤亡和财产损失的问题,设计了一种基于窄带物联网(NB-IoT)技术的火灾实时监控系统.采用了以STM32L431为主控单片机,以NB-IoT为传输方式,在云平台和手机端实现控制.一旦发现火情,可以通过基站和核心网将报警信息及时上报到物联网云平台,并且通过平台提供的接口和第三方服务器实现对接,在手机端实现报警功能,同时,手机端可以下发本地声光报警命令.经过多次检测,可以在1~3s内将报警信息上传到云平台和手机,并且及时下发本地报警命令.
Keyword :
NB-IoT NB-IoT 云平台 云平台 烟雾报警 烟雾报警 物联网 物联网
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GB/T 7714 | 何煌城 , 周海芳 , 章杰 et al. 基于NB-IoT的智能烟雾报警系统设计 [J]. | 电气开关 , 2019 , 57 (3) : 55-61 . |
MLA | 何煌城 et al. "基于NB-IoT的智能烟雾报警系统设计" . | 电气开关 57 . 3 (2019) : 55-61 . |
APA | 何煌城 , 周海芳 , 章杰 , 江美玲 . 基于NB-IoT的智能烟雾报警系统设计 . | 电气开关 , 2019 , 57 (3) , 55-61 . |
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提出一种数字图像处理和支持向量机相结合的道路能见度检测算法,针对白天和夜晚建立不同能见度检测模型.对于白天的能见度检测,通过暗通道先验原理提取场景的全局透射率,进一步计算韦伯对比度特征值和图像能量梯度值等作为支持向量机的输入,训练得到白天能见度模型;对于夜晚的能见度检测,提取明度与对比度关系值(POLC),图像的功率谱和全局梯度值作为支持向量机的输入,训练夜晚能见度检测模型.检测结果表明,该算法较好地满足了人眼视觉特性,准确度高,可应用于智能交通和辅助驾驶等领域.
Keyword :
图像处理 图像处理 支持向量机 支持向量机 暗通道先验 暗通道先验 能见度检测 能见度检测
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GB/T 7714 | 刘南辉 , 周海芳 , 章杰 . 一种支持向量机和数字图像相结合的能见度检测算法 [J]. | 福州大学学报(自然科学版) , 2018 , 46 (1) : 59-64 . |
MLA | 刘南辉 et al. "一种支持向量机和数字图像相结合的能见度检测算法" . | 福州大学学报(自然科学版) 46 . 1 (2018) : 59-64 . |
APA | 刘南辉 , 周海芳 , 章杰 . 一种支持向量机和数字图像相结合的能见度检测算法 . | 福州大学学报(自然科学版) , 2018 , 46 (1) , 59-64 . |
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