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A Hybrid Method for Hour-ahead PV Output Forecast with Historical Data Clustering 具有历史数据聚类的小时前光伏产量预测混合方法
IF 1.4
IET Networks Pub Date : 2022-10-14 DOI: 10.1109/IET-ICETA56553.2022.9971576
Nuttapat Jittratorn, G. Chang, Guan-Yi Li
{"title":"A Hybrid Method for Hour-ahead PV Output Forecast with Historical Data Clustering","authors":"Nuttapat Jittratorn, G. Chang, Guan-Yi Li","doi":"10.1109/IET-ICETA56553.2022.9971576","DOIUrl":"https://doi.org/10.1109/IET-ICETA56553.2022.9971576","url":null,"abstract":"An accurate forecast of the photovoltaic (PV) output can indispensably enhance the stability of power supply. However, the effectiveness of prediction results highly depends on many factors and the data preparations are also an essential process to be considered. The focus of this paper is to classify PV data types by density-based spatial clustering of applications with noise (DBSCAN). Then, the procedure for historical data clustering and for hour-ahead PV output forecast implemented by back propagation neural network (BPNN) model is present. Forecasted results show that data clustering provided by DBSCAN can efficiently classify the PV data types for input to BPNN to achieve better accuracy.","PeriodicalId":46240,"journal":{"name":"IET Networks","volume":"414 1","pages":"1-2"},"PeriodicalIF":1.4,"publicationDate":"2022-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80010868","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
A Study of Innovative Multi-functional Folding Umbrella with Solar Energy 新型多功能太阳能折叠伞的研究
IF 1.4
IET Networks Pub Date : 2022-10-14 DOI: 10.1109/IET-ICETA56553.2022.9971670
H. Tzeng, J. Hsiung, Zhi-Fang Xu
{"title":"A Study of Innovative Multi-functional Folding Umbrella with Solar Energy","authors":"H. Tzeng, J. Hsiung, Zhi-Fang Xu","doi":"10.1109/IET-ICETA56553.2022.9971670","DOIUrl":"https://doi.org/10.1109/IET-ICETA56553.2022.9971670","url":null,"abstract":"Recently, the cane umbrella products have been more and more widely used in all kinds of aged fields. With the decline in fertility in the birth of fewer children, the population will step into an aged society. The convenience of the elderly activities is also a major factor affecting their body and mind. Therefore, the development of assistive devices for the elderly is very important. Based on the above considerations, this study focus on design and improve cane umbrella, which combines the characteristics of trekking poles and folding umbrellas. The main purpose was to install a solar panel power generation mechanism at the top of the umbrella grip. The attached safety warning LED light is as an alarm buzzer system with certain frequency flashing. The crutch head adopts an articulated design to enhance the grip. In conclusion, the product takes the alarm function and night safety into considerations. Furthermore, it has a folding function and is easy to carry. It also has the appearance beautification effect of the work, realizes happy goes out, and feels warm when returning home safely.","PeriodicalId":46240,"journal":{"name":"IET Networks","volume":"56 1","pages":"1-2"},"PeriodicalIF":1.4,"publicationDate":"2022-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79439699","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
A Friendly Vision Enhancement System Prototype Development for Text Content 文本内容友好视觉增强系统原型开发
IF 1.4
IET Networks Pub Date : 2022-10-14 DOI: 10.1109/IET-ICETA56553.2022.9971624
W. Fang, Lam Tuyen Le, Chen-Han Yu
{"title":"A Friendly Vision Enhancement System Prototype Development for Text Content","authors":"W. Fang, Lam Tuyen Le, Chen-Han Yu","doi":"10.1109/IET-ICETA56553.2022.9971624","DOIUrl":"https://doi.org/10.1109/IET-ICETA56553.2022.9971624","url":null,"abstract":"This paper proposes a system that helps users to enhance their reading ability. A reading enhancement system has been developed based on image capture, image processing, segmentation, and pattern recognition. This system not only provides a better user experience than using a telescope or just a smartphone but also facilitates efficient reading. The result of this paper has been validated in the classroom and laboratory. In the future, researchers can use this system to study the user experience of glasses or help disabled people to get better learning results.","PeriodicalId":46240,"journal":{"name":"IET Networks","volume":"112 1","pages":"1-2"},"PeriodicalIF":1.4,"publicationDate":"2022-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79311256","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
Design Flow for The Implementation of Obfuscated Finite State Machines 模糊有限状态机实现的设计流程
IF 1.4
IET Networks Pub Date : 2022-10-14 DOI: 10.1109/IET-ICETA56553.2022.9971497
Yi-Ren Chen, Shih-Hsu Huang
{"title":"Design Flow for The Implementation of Obfuscated Finite State Machines","authors":"Yi-Ren Chen, Shih-Hsu Huang","doi":"10.1109/IET-ICETA56553.2022.9971497","DOIUrl":"https://doi.org/10.1109/IET-ICETA56553.2022.9971497","url":null,"abstract":"Hardware obfuscation is a useful technique for IP (intellectual property) protection. Several previous works have paid attention to the design of obfuscated FSM (finite state machine). Their common way is to insert an extra obfuscation mode to prevent the attackers from entering the normal mode. Based on the concept of obfuscation mode, in this paper, we study the design flow for FPGA implementation. The proposed design flow includes two main steps: RTL coding (for the obfuscation mode) followed by FPGA synthesis. Experiments with a real circuit show that the FPGA implementation can work without any degradation on circuit speed.","PeriodicalId":46240,"journal":{"name":"IET Networks","volume":"23 1","pages":"1-2"},"PeriodicalIF":1.4,"publicationDate":"2022-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86133853","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: 1
A Face Mask Detection System Based on High Level Synthesis and Hardware Software Codesign 基于高级综合和软硬件协同设计的人脸检测系统
IF 1.4
IET Networks Pub Date : 2022-10-14 DOI: 10.1109/IET-ICETA56553.2022.9971488
Yao-Wen Chang, Chih-Chi Huang, Y. Hwang
{"title":"A Face Mask Detection System Based on High Level Synthesis and Hardware Software Codesign","authors":"Yao-Wen Chang, Chih-Chi Huang, Y. Hwang","doi":"10.1109/IET-ICETA56553.2022.9971488","DOIUrl":"https://doi.org/10.1109/IET-ICETA56553.2022.9971488","url":null,"abstract":"This paper presents an experimental trial of implementing a face mask detection system based on a high-level synthesis (HLS) design flow and the concept of hardware/ software codesign. The target platform is a low-cost Xilinx PYNQ-Z2 FPGA board, which is connected to a host computer and serves as a hardware accelerator performing the task of face mask detection. The development is under a PYNQ framework supporting applications, software and hardware designs. In applications, a Jupyter Notebook is used for system level control. In hardware design, a Vivado HLS IP flow is used to design the hardware computing kernel and implement the interface (overlay) between hardware and software sections. To simplify the hardware implementation complexity, the face mask detection algorithm adopts an ISP approach in lieu of complicated CNN models. The algorithm consists of color space transform, skin color detection, morphological operations, connected components labeling and horizontal edge detection. Despite its algorithmic simplicity, the proposed scheme supports multi-object detection and can exclude the interferences from non-face parts. Each module is described in C++ and translated to a corresponding hardware design module via HLS. These modules are then combined to form a hardware accelerator and integrated to the PYNQ framework. The implementation result indicates the detection FPS can reach 18.","PeriodicalId":46240,"journal":{"name":"IET Networks","volume":"20 1","pages":"1-2"},"PeriodicalIF":1.4,"publicationDate":"2022-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84925099","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
Investigation of Electrical Characteristics in Low-Temperature Polycrystalline Silicon Thin-Film Transistors Fabricated at Low-Temperature Process 低温工艺制备的低温多晶硅薄膜晶体管电特性研究
IF 1.4
IET Networks Pub Date : 2022-10-14 DOI: 10.1109/IET-ICETA56553.2022.9971607
Chia-Chuan Wu, William Cheng-Yu Ma, Yu‐Xuan Wang, Mao‐Chou Tai, Yu-An Chen, Hong-Yi Tu, Sheng-Yao Chou, Ya-Ting Chien, T. Chang
{"title":"Investigation of Electrical Characteristics in Low-Temperature Polycrystalline Silicon Thin-Film Transistors Fabricated at Low-Temperature Process","authors":"Chia-Chuan Wu, William Cheng-Yu Ma, Yu‐Xuan Wang, Mao‐Chou Tai, Yu-An Chen, Hong-Yi Tu, Sheng-Yao Chou, Ya-Ting Chien, T. Chang","doi":"10.1109/IET-ICETA56553.2022.9971607","DOIUrl":"https://doi.org/10.1109/IET-ICETA56553.2022.9971607","url":null,"abstract":"In this work, the electrical characteristics of the low-temperature polysilicon thin-film transistors (LTPS TFTs) fabricated at low-temperature process were investigated. To improve the process of AMOLED displays, a lower fabrication temperature is necessary to adopt and investigate since a lower fabrication temperature is suitable for flexible electronics. In general, the fabrication temperature of LTPS TFTs is about $400 ^{circ}mathrm{C}$. Therefore, to clarify the impact of lower fabrication temperature, $400 ^{circ}mathrm{C}$, $370 ^{circ}mathrm{C}$, and $350 ^{circ}mathrm{C}$ are chosen as the maximum processing temperature during device fabrication for three TFT samples, respectively. It is found that the lower fabrication temperature device has lower on-current and higher on-resistance. However, a lower off-state leakage current is observed while the process temperature is declining due to trap-assisted thermal field emission. Silvaco TCAD simulation is discussed to support our findings.","PeriodicalId":46240,"journal":{"name":"IET Networks","volume":"22 1","pages":"1-2"},"PeriodicalIF":1.4,"publicationDate":"2022-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85391973","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
Using Modified YOLOv4 for Military Target Detection 使用改进的YOLOv4进行军事目标探测
IF 1.4
IET Networks Pub Date : 2022-10-14 DOI: 10.1109/IET-ICETA56553.2022.9971558
Jung-Hung Pan, Chiu-Chin Lin, Jen-Chun Lee, Chung-Hsien Chen
{"title":"Using Modified YOLOv4 for Military Target Detection","authors":"Jung-Hung Pan, Chiu-Chin Lin, Jen-Chun Lee, Chung-Hsien Chen","doi":"10.1109/IET-ICETA56553.2022.9971558","DOIUrl":"https://doi.org/10.1109/IET-ICETA56553.2022.9971558","url":null,"abstract":"We propose methods for object detection based on remote sensing images. This method further improves detection accuracy and decreases error rates. Modified YOLOv4 is an accelerated neural network model based on the YOLO (YouOnly-Look-Once) object detection method. It outperforms existing networks in terms of execution time and detection performance. The experimental results show improved mAP (mean average precision) performance of the proposed method for object detection in remote sensing images. We thus propose a novel system for automatic object detection for high-resolution remote sensing images.","PeriodicalId":46240,"journal":{"name":"IET Networks","volume":"75 1","pages":"1-2"},"PeriodicalIF":1.4,"publicationDate":"2022-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83501467","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
ESD-immunity Study of High-voltage nLDMOS with Vertical Parasitic Schottky Structures in the Source End 源端垂直寄生肖特基结构高压nLDMOS的抗静电性研究
IF 1.4
IET Networks Pub Date : 2022-10-14 DOI: 10.1109/IET-ICETA56553.2022.9971482
Xing-Chen Mai, Shen-Li Chen, Jhong-Yi Lai, Zhi-Wei Liu, Yu-Jie Chung
{"title":"ESD-immunity Study of High-voltage nLDMOS with Vertical Parasitic Schottky Structures in the Source End","authors":"Xing-Chen Mai, Shen-Li Chen, Jhong-Yi Lai, Zhi-Wei Liu, Yu-Jie Chung","doi":"10.1109/IET-ICETA56553.2022.9971482","DOIUrl":"https://doi.org/10.1109/IET-ICETA56553.2022.9971482","url":null,"abstract":"In this paper, a TSMC $0.18- {mu} mathrm{m}$ BCD process is used to realize high-voltage n-LDMOS devices. And then, the source side $n^{{+}}$ layer of the reference device is removed, so that the source terminal will make a parasitic Schottky device. Next, in this paper, we will evaluate its impacts on the discharge current capability. There are four kinds of tested devices in this work, which are the reference, with whole source -Schottky MM, and removed half source electrode MN and maked half Schottky in source end NM type devices, respectively. According to the TLP testing results, three important values of snapback curve can be obtained: trigger voltage (${mathrm{V}}_{{mathrm t1}}$), holding voltage (${mathrm{V}}_{{mathrm{h}}}$), and secondary breakdown current (${mathrm{I}}_{{mathrm{t}}2}$). Finally, it can be concluded that if a Schottky device is added to the source terminal, the on-resistance will be increased due to the series connection of this Schottky device, then the trigger voltage can be increased about 2V and holding voltage increased about 8V.","PeriodicalId":46240,"journal":{"name":"IET Networks","volume":"93 1","pages":"1-2"},"PeriodicalIF":1.4,"publicationDate":"2022-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84091784","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
Energy Saving Potential Evaluation for U-V Connection Power System-Case Study in Taipower U-V连接电力系统的节能潜力评估——以台湾电力公司为例
IF 1.4
IET Networks Pub Date : 2022-10-14 DOI: 10.1109/IET-ICETA56553.2022.9971673
Meilan Chen, Pei-Gang Chen, Che-Yu Lu
{"title":"Energy Saving Potential Evaluation for U-V Connection Power System-Case Study in Taipower","authors":"Meilan Chen, Pei-Gang Chen, Che-Yu Lu","doi":"10.1109/IET-ICETA56553.2022.9971673","DOIUrl":"https://doi.org/10.1109/IET-ICETA56553.2022.9971673","url":null,"abstract":"There have always been many disagreements over applying open-wye open-delta transformer connection for supplying small business users. However, as the most commonly used power supply method for Taiwan’s $3Phi 3mathrm{W}220mathrm{V}$ system, it is not without its advantages. There are more reasons for being stigmatized because of user misuse. This study intends to discuss this electric utility system from the point of view of energy saving, and try to propose improvement schemes.","PeriodicalId":46240,"journal":{"name":"IET Networks","volume":"5 4 1","pages":"1-2"},"PeriodicalIF":1.4,"publicationDate":"2022-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74866847","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
Establish a Dynamic Detection System for Metal Bicycle Frame Defects Based on YOLO Object Detection 建立基于YOLO目标检测的金属自行车车架缺陷动态检测系统
IF 1.4
IET Networks Pub Date : 2022-10-14 DOI: 10.1109/IET-ICETA56553.2022.9971568
Su Kuan-Ying, Chen Ming-Fei, Tsai Po-Cheng, Tsai Cheng-Han
{"title":"Establish a Dynamic Detection System for Metal Bicycle Frame Defects Based on YOLO Object Detection","authors":"Su Kuan-Ying, Chen Ming-Fei, Tsai Po-Cheng, Tsai Cheng-Han","doi":"10.1109/IET-ICETA56553.2022.9971568","DOIUrl":"https://doi.org/10.1109/IET-ICETA56553.2022.9971568","url":null,"abstract":"The purpose of this research is to develop a real-time bicycle frame's defect detection system using YOLO (You Only Look Once) and machine vision. Firstly, the defect locations are manually selected and a database is established. Next, a Darknet method is used to train the YOLO model. Its static detection accuracy rate is 92.6%, and then the static training model is combined with a robotic arm and an industrial camera to perform dynamic detection verification. The result shows that its detection rate reaches 87%. Finally, the above-mentioned defect detection technology is used with the detection machine to complete the development of the online defect detection system.","PeriodicalId":46240,"journal":{"name":"IET Networks","volume":"29 1","pages":"1-2"},"PeriodicalIF":1.4,"publicationDate":"2022-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88138545","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
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