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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 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2022-10-14 DOI: 10.1109/IET-ICETA56553.2022.9971670
H. Tzeng, J. Hsiung, Zhi-Fang Xu
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.
近年来,藤伞产品越来越广泛地应用于各种老化领域。随着生育率的下降,出生的孩子越来越少,人口将步入老龄化社会。老年人活动的便利性也是影响他们身心的一个主要因素。因此,开发老年人辅助器具是非常重要的。基于以上考虑,本研究将手杖伞与折叠伞的特点结合起来,重点对手杖伞进行设计与改进。其主要目的是在伞柄的顶部安装一个太阳能电池板发电机构。所附安全警示LED灯作为报警蜂鸣器系统,以一定频率闪烁。拐杖头采用铰接式设计,增强抓地力。综上所述,该产品兼顾了报警功能和夜间安全。此外,它具有折叠功能,便于携带。还具有工作的外观美化作用,实现快乐出门,平安回家的温馨。
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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 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2022-10-14 DOI: 10.1109/IET-ICETA56553.2022.9971624
W. Fang, Lam Tuyen Le, Chen-Han Yu
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.
本文提出了一个帮助用户提高阅读能力的系统。一个基于图像捕获、图像处理、分割和模式识别的阅读增强系统已经被开发出来。该系统不仅提供了比使用望远镜或智能手机更好的用户体验,而且还促进了高效阅读。本文的研究结果在课堂和实验室得到了验证。在未来,研究人员可以使用这个系统来研究眼镜的用户体验,或者帮助残疾人获得更好的学习效果。
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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 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2022-10-14 DOI: 10.1109/IET-ICETA56553.2022.9971497
Yi-Ren Chen, Shih-Hsu Huang
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.
硬件混淆是IP(知识产权)保护的一种有用技术。以前的一些工作已经关注了模糊有限状态机的设计。他们常用的方法是插入一个额外的混淆模式,以防止攻击者进入正常模式。基于混淆模式的概念,本文研究了FPGA实现的设计流程。提出的设计流程包括两个主要步骤:RTL编码(用于混淆模式),然后是FPGA合成。实际电路的实验表明,FPGA实现可以在不降低电路速度的情况下工作。
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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 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2022-10-14 DOI: 10.1109/IET-ICETA56553.2022.9971488
Yao-Wen Chang, Chih-Chi Huang, Y. Hwang
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.
本文提出了一种基于高级综合设计流程和软硬件协同设计概念的口罩检测系统的实验设计。目标平台是一个低成本的Xilinx PYNQ-Z2 FPGA板,它连接到主机,作为硬件加速器执行面罩检测任务。该开发在PYNQ框架下进行,支持应用程序、软件和硬件设计。在应用程序中,Jupyter Notebook用于系统级控制。在硬件设计中,采用Vivado HLS IP流设计硬件计算内核,实现硬件和软件部分之间的接口(叠加)。为了简化硬件实现复杂度,掩码检测算法采用ISP方法代替复杂的CNN模型。该算法包括颜色空间变换、肤色检测、形态运算、连通分量标记和水平边缘检测。该方法算法简单,支持多目标检测,能够排除非人脸部分的干扰。每个模块都用c++语言描述,并通过HLS转换成相应的硬件设计模块。然后将这些模块组合成一个硬件加速器,并集成到PYNQ框架中。实现结果表明,检测FPS可以达到18。
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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 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS 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
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.
研究了低温工艺制备的低温多晶硅薄膜晶体管(LTPS TFTs)的电学特性。为了改进AMOLED显示器的工艺,需要采用和研究较低的制造温度,因为较低的制造温度适合柔性电子器件。一般来说,LTPS TFTs的制造温度约为$400 ^{circ} mathm {C}$。因此,为了明确较低的制造温度的影响,分别选择$400 ^{circ}mathrm{C}$、$370 ^{circ}mathrm{C}$和$350 ^{circ}mathrm{C}$作为三个TFT样品在器件制造过程中的最高加工温度。研究发现,较低的制造温度器件具有较低的导通电流和较高的导通电阻。然而,由于阱辅助热场发射,当工艺温度下降时,观察到较低的关闭状态泄漏电流。讨论了Silvaco TCAD模拟来支持我们的发现。
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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 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2022-10-14 DOI: 10.1109/IET-ICETA56553.2022.9971558
Jung-Hung Pan, Chiu-Chin Lin, Jen-Chun Lee, Chung-Hsien Chen
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.
提出了基于遥感图像的目标检测方法。该方法进一步提高了检测精度,降低了错误率。改进的YOLOv4是一种基于YOLO (YouOnly-Look-Once)目标检测方法的加速神经网络模型。它在执行时间和检测性能方面优于现有网络。实验结果表明,该方法提高了遥感图像中目标检测的平均精度(mAP)。因此,我们提出了一种新的高分辨率遥感图像自动目标检测系统。
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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 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS 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
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.
本文采用TSMC $0.18- {mu} maththrm {m}$ BCD工艺实现高压n-LDMOS器件。然后,移除参考器件的源端$n^{{+}}$层,使源端成为寄生肖特基器件。接下来,本文将评估其对放电电流能力的影响。本工作测试的器件有四种,分别为参考型、全源-肖特基型MM、去除半源电极MN和源端半肖特基型NM器件。根据TLP测试结果,可以得到回跳曲线的三个重要值:触发电压(${mathrm{V}}_{mathrm t1}}$)、保持电压(${mathrm{V}}_{mathrm{h}}}$)和二次击穿电流(${mathrm{I}}_{{mathrm{t}}2}$)。最后可以得出,如果在源端增加一个肖特基器件,由于该肖特基器件的串联会增加导通电阻,则触发电压可提高约2V,保持电压可提高约8V。
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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 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2022-10-14 DOI: 10.1109/IET-ICETA56553.2022.9971673
Meilan Chen, Pei-Gang Chen, Che-Yu Lu
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.
对于应用开眼开三角变压器连接供电给小型企业用户,一直存在许多分歧。不过,作为台湾$3Phi 3 mathm {W}220 mathm {V}$系统最常用的供电方式,也并非没有优势。因为用户滥用而被污名化的原因更多。本研究拟从节能的角度对该电力公用系统进行探讨,并尝试提出改进方案。
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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 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2022-10-14 DOI: 10.1109/IET-ICETA56553.2022.9971568
Su Kuan-Ying, Chen Ming-Fei, Tsai Po-Cheng, Tsai Cheng-Han
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.
本研究的目的是利用YOLO (You Only Look Once)和机器视觉技术开发一种自行车车架缺陷实时检测系统。首先,手工选择缺陷位置并建立缺陷数据库。其次,采用暗网方法对YOLO模型进行训练。其静态检测准确率为92.6%,然后将静态训练模型与机械臂和工业相机相结合,进行动态检测验证。结果表明,该方法的检出率可达87%。最后将上述缺陷检测技术与检测机结合使用,完成在线缺陷检测系统的开发。
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引用次数: 0
Research on Novel Thermal Insulation Structure of CMOS-MEMS Thermopile CMOS-MEMS热电堆新型保温结构研究
IF 1.4 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS Pub Date : 2022-10-14 DOI: 10.1109/IET-ICETA56553.2022.9971595
Kai-Chung Yu, Chih-Hsiung Shen
In this research, we discuss and analyze the thermal insulation microstructure which appropriately reduce the thermal conductivity and form a local channel where the heat flow is concentrated. As the channel becomes smaller, the thermal resistance increases and the noise will also increase. For the Johnson noise, the bandwidth can be reduced through subsequent electronic circuit signal processing. Although the response speed is sacrificed, the overall thermal sensing signal is improved in practical applications without introducing additional noise.
在本研究中,我们讨论和分析了适当降低导热系数并形成热流集中的局部通道的隔热微观结构。随着通道变小,热阻增大,噪声也随之增大。对于约翰逊噪声,可以通过后续的电子电路信号处理来降低带宽。虽然牺牲了响应速度,但在实际应用中,在不引入额外噪声的情况下,整体热传感信号得到了改善。
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引用次数: 0
期刊
IET Networks
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