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2022 8th International Conference on Applied System Innovation (ICASI)最新文献

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An Approach Using Transformer-based Model for Short-term PV generation forecasting 基于变压器模型的短期光伏发电预测方法
Pub Date : 2022-04-22 DOI: 10.1109/ICASI55125.2022.9774491
Quoc-Thang Phan, Yuan-Kang Wu, Q. Phan
Solar power forecasting has already become a key role in energy market. However, forecasting PV generation is a challenging task because solar energy strongly depends on weather conditions, day/night cycles and meteorological variables such as solar irradiance, temperature, humidity, etc. Therefore, integrating solar power into grids requires accurate prediction methods, which is also improve the quality of the power systems and reduce operational cost. Beside traditional approaches for forecasting solar PV power generation, new techniques arise every year to enhance the performance of models with the main objective to reduce uncertainties. In this paper, a novel deep learning model based on transformer has been established for one-hour-ahead PV generation forecasting. In practice, this work uses PV power output data with one-hour resolution from the North PV sites in Taiwan, and 2 years of Numerical Weather Prediction (NWP) data from Central Weather Bureau (CWB). Furthermore, forecasting results show that the proposed model outperforms other models such as Artificial Neural Network (ANN), Long Short-Term Memory (LSTM), and Gated Recurrent Unit (GRU) in terms of NRMSE and NMAPE.
太阳能发电预测已经成为能源市场的一个关键环节。然而,预测光伏发电是一项具有挑战性的任务,因为太阳能在很大程度上取决于天气条件、昼夜周期和气象变量,如太阳辐照度、温度、湿度等。因此,太阳能并网需要准确的预测方法,这也是提高电力系统质量和降低运行成本的重要途径。除了传统的预测太阳能光伏发电的方法外,每年都会出现新的技术来提高模型的性能,其主要目标是减少不确定性。本文建立了一种新的基于变压器的深度学习模型,用于一小时前光伏发电预测。在实践中,本研究使用了台湾北部光伏站点一小时分辨率的光伏功率输出数据,以及中央气象局(CWB) 2年的数值天气预报(NWP)数据。此外,预测结果表明,该模型在NRMSE和NMAPE方面优于人工神经网络(ANN)、长短期记忆(LSTM)和门控循环单元(GRU)等其他模型。
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引用次数: 4
HV 65V nLDMOSs Engineering of ESD Enhancement by the Drain Side with Parasitic SCR Modulations 基于寄生可控硅调制的HV - 65V nLDMOSs漏侧ESD增强工程
Pub Date : 2022-04-22 DOI: 10.1109/ICASI55125.2022.9774475
Zhi-Wei Liu, Shen-Li Chen, Jhong-Yi Lai, Yu-Jie Chung, Xing-Chen Mai
In this paper, a parasitic silicon controlled rectifier (SCR) area modulation at the drain-side of high-voltage n-type laterally-diffused metal-oxide semiconductor(nLDMOS) is proposed to evaluate the change of electrostatic discharge+ (ESD) capability with the increasing of SCR area. As the P doping area of the drain side is larger, the SCR characteristics are more obvious. Therefore, it can be found from the experimental data that when the P+ doping area is 100% (the nLD_SCR_P100), the It2 value of the device will increase from 1.38 A of the reference device to 9 A (an increase of 652.1%). Although the Vt1 and Vh values of the device also decreaseIt2, slightly as the SCR area becomes larger, but it has the best so the FOM increases from 1659.13 µA×V/µm2 for the reference device to 8098.56 µA×V/µm2(an increase of 488.1%), the ability to conduct ESD current is significantly improved.
本文提出了一种在高压n型横向扩散金属氧化物半导体(nLDMOS)漏极侧进行寄生可控硅(SCR)面积调制的方法,以评估该器件的静电放电能力随可控硅面积的增加而发生的变化。漏极侧P掺杂面积越大,SCR特性越明显。因此,从实验数据中可以发现,当P+掺杂面积为100% (nLD_SCR_P100)时,器件的It2值将从参考器件的1.38 A增加到9 A(增加652.1%)。虽然器件的Vt1和Vh值也随着可控硅面积的增大而略有下降,但它具有最好的性能,因此FOM从参考器件的1659.13µA×V/µm2增加到8098.56µA×V/µm2(增加488.1%),导电ESD电流的能力明显提高。
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引用次数: 1
ICASI 2022 TOC
Pub Date : 2022-04-22 DOI: 10.1109/icasi55125.2022.9774457
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引用次数: 0
Development of a Novel Emergency Lighting System with Improved Boost-Flyback Topology 改进升压反激拓扑的新型应急照明系统的研制
Pub Date : 2022-04-22 DOI: 10.1109/ICASI55125.2022.9774478
Yu-En Wu
This paper proposes a novel emergency lighting device (ELD), it can be used as an auxiliary lighting equipment to improve the utilization rate of equipment. Two kinds of topologies are used in ELD to achieve the functions of charging the battery and lighting. The battery charging topology uses a two-switch forward, with three-stage charging control to charge the battery when the AC is normal; the lighting circuit uses an improved boost-flyback converter. The output of the lighting circuit will be connected to the Relay. When the external power is stopped or the signal is turned on, the LED light is illuminated. The ELD first tests the functional stability through the burning machine, and then goes to the actual field for three months to test the overall stability of the circuit. The maximum efficiency of battery charging circuit reaches above 95% at a 75% load condition and the maximum efficiency of LED lighting circuit reaches above 98% at a 75% load condition.
本文提出了一种新型的应急照明装置(ELD),它可以作为辅助照明设备,提高设备的利用率。ELD采用了两种拓扑结构来实现电池充电和照明的功能。电池充电拓扑采用双开关正向,具有三级充电控制,在交流正常时对电池进行充电;照明电路采用改进的升压反激变换器。照明电路的输出将连接到继电器。当外部电源停止或信号打开时,LED灯亮起。ELD先通过烧机测试功能稳定性,然后到实际现场进行为期三个月的电路整体稳定性测试。电池充电电路在75%负载时最高效率达到95%以上,LED照明电路在75%负载时最高效率达到98%以上。
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引用次数: 0
To Improve The Efficiency of Electrostatic Discharge Protection Measures for Glue Coating Operation of Adhesive Tape Process_ As an Example of Esd Fabric 提高胶带工艺涂胶作业静电防护措施的效率&以防静电织物为例
Pub Date : 2022-04-22 DOI: 10.1109/ICASI55125.2022.9774460
Ming-Hong Hsieh, Chun-Chien Hsieh, Jia-Wun Wu, Po-Tsung Tseng, Kuang-Pang Lin
The fire and explosion hazards often caused by electrostatic discharge (ESD) especially in the glue coating operation of adhesive tape process, therefore the ESD protective measure is critical during tape manufacturing. Let the charged tape contact conductive material and connected to earth to prevent the charges accumulation is commonly employed in tape industry, and ESD fabric is one of the commonly used conductive materials. This study focus on the effectiveness of grounding by ESD fabric, and all fabric came from tape production company.The average resistivity of vertical line of ESD fabric is 5 Ω, the transverse line and band is 17GΩ same as the diagonal line and band of both side. In actual ESD protection settings, the contact points of the grounding system of the ESD fabric bond on both sides of the textile. Thus; the efficiency of earthing is poor due to the high resistivity of fabric. We covered the ground side (less than 40% of whole area) of the cloth with aluminum foil to ameliorate efficiency of earthing. After the improvement; the average resistivity of the transverse band on aluminum foil is less than 1Ω,the transverse band without aluminum foil covered from 17GΩ reduce to 381Ω, and diagonal band of both sides drop to less than 65Ω. According to previous consequence; the conductive performance of the grounding of the ESD fabric is obviously improved, and the research results are also spread to the tape industry.
静电放电(ESD)常引起火灾和爆炸危险,特别是在胶带的涂胶操作过程中,因此静电防护措施在胶带制造过程中至关重要。让带电荷的胶带接触导电材料并与地连接以防止电荷积聚是胶带工业中常用的方法,而防静电织物就是常用的导电材料之一。本研究的重点是防静电织物的接地有效性,所有织物均来自胶带生产公司。防静电织物的垂直线的平均电阻率为5 Ω,横线和带17GΩ与两侧的对角线和带相同。在实际的防静电设置中,防静电织物的接地系统的接触点在纺织品的两侧。因此;由于织物电阻率高,接地效率较差。我们用铝箔覆盖布料的接地面(不到整个面积的40%),以提高接地效率。改进后;覆盖铝箔的横向带平均电阻率小于1Ω,未覆盖铝箔的横向带从17GΩ降至381Ω,两侧对角带降至65Ω以下。根据先前的结果;防静电织物接地的导电性能明显提高,研究成果也推广到胶带行业。
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引用次数: 0
Lightweight Portable and High Thermal Conductivity Storage/Release Hydrogen Bottle 轻便便携,高导热储/放氢瓶
Pub Date : 2022-04-22 DOI: 10.1109/ICASI55125.2022.9774489
Chao-Yen Chen, Xi-Wen Yang, Jun-Hong Lai, Chien-Chon Chen
In order to solve the problem of hydrogen storage and transportation, the first thought is to store the hydrogen directly in the cylinder. However, this approach is not advisable, because even under the high pressure of 700 atm, the weight of hydrogen in the cylinder is less than the cylinder itself 1% of it, and it is very unsafe. Once it leaks, it will explode when it encounters sparks. In this study, we designed a lightweight hydrogen storage/release bottle. The hydrogen storage bottle is made of aluminum alloy. This hydrogen storage alloy in the hydrogen storage/release bottle is used to adsorb hydrogen, and the gas valve of the bottle is used to release hydrogen. In order to achieve the purpose of light weight, this portable hydrogen storage bottle was made of 7075 aluminum alloy. After the bottle body is hollowed out by machining, an integrally formed hydrogen storage bottle body is formed. The aluminum gasket is fixed to the flange structure, so the overall hydrogen storage bottle has no welded part. Further, a hard anodic films were formed on the bottle inner an d outer surfaces to increase the tensile stress of the bottle, prevent hydrogen embrittlement in the bottle, and anti-corrosion on the bottle. The design of this hydrogen storage tank includes the following features: (1) the lightweight portable storage/desorption of aluminum alloy bottle, (2) The outer layer of the bottle body is covered with an anodic film to strengthen bottle tension, (3) The outside of the bottle with a high quality anodic film, and (4) the inside of the bottle is anodized to prevent hydrogen embrittlement.
为了解决氢气的储存和运输问题,首先想到的是将氢气直接储存在气缸中。但是,这种方法是不可取的,因为即使在700atm的高压下,钢瓶内氢气的重量也不到钢瓶本身的1%,是非常不安全的。一旦泄漏,遇到火花就会爆炸。在这项研究中,我们设计了一种轻质储/放氢瓶。储氢瓶由铝合金制成。这种储氢/放氢瓶中的储氢合金用于吸附氢气,瓶内的气体阀用于释放氢气。为了达到轻量化的目的,本便携式储氢瓶采用7075铝合金制造。经机加工将瓶体掏空后,形成整体成型的储氢瓶体。铝垫片固定在法兰结构上,整体储氢瓶无焊接部分。此外,在瓶的内外表面形成坚硬的阳极膜,以增加瓶的拉伸应力,防止瓶中的氢脆,并对瓶进行防腐。本储氢罐的设计包括以下特点:(1)轻便轻便的铝合金瓶储存/解吸;(2)瓶身外层覆盖阳极膜,加强瓶张力;(3)瓶外覆盖优质阳极膜;(4)瓶内进行阳极处理,防止氢脆。
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引用次数: 0
Multiclass Classification of EEG Motor Imagery Signals Based on Transfer Learning 基于迁移学习的脑电运动图像信号多类分类
Pub Date : 2022-04-22 DOI: 10.1109/ICASI55125.2022.9774441
Chun-Yu Chen, Wei-Jen Wang, Chun-Chuan Chen
Multiclass Classification of EEG signal is essential for brain computer interface (BCI) applications but extremely time consuming. We proposed a subject-weighted adaptive transfer learning method in conjunction with MLP and CNN classifiers for fast classification of multiclass EEG dataset.Analytic results show that CNN generally outperforms MLP in this multi-class classification. The use of transfer learning is efficient for building the predictive model without decreasing the accuracy and 2D CNN is more robust to between-subject variabilities.
脑电信号的多类分类是脑机接口(BCI)应用的必要条件,但非常耗时。针对多类脑电数据的快速分类问题,提出了一种结合MLP和CNN分类器的主题加权自适应迁移学习方法。分析结果表明,在这种多类分类中,CNN总体上优于MLP。使用迁移学习在不降低准确率的情况下有效地构建了预测模型,并且二维CNN对主体间变量具有更强的鲁棒性。
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引用次数: 0
A Novel Facial Mask Detection Using Fast-YOLO Algorithm 一种基于快速yolo算法的人脸检测方法
Pub Date : 2022-04-22 DOI: 10.1109/ICASI55125.2022.9774466
Chih-Chen Liu, Su-Chi Fuh, Chen-Jie Lin, Tzu-Hua Huang
The extremely high transmission rate of the COVID-19 has made the supply of medical resources in countries around the world in short supply. The implementation of quarantine in order to avoid group infections has a serious impact on the economy, transportation, education and other aspects. Epidemic prevention will be a routine task that needs to be carried out for a long time and cannot be neglected. In view of the fact that wearing masks is currently an effective method of epidemic prevention, and the current face detection models are not effective for masked faces, and pedestrians who have not worn masks in the correct way. It may spread the epidemic. This research will establish a face data set with three kinds of annotations, and combine a variety of deep learning convolutional neural network architectures and methods to design a face detection model that can quickly train and detect wearing a mask, not wearing a mask, and wearing a mask incorrectly faces. In the hope of contributing to the epidemic prevention, we use an adaptive algorithm to adjust the image size to reduce unnecessary operations, and modify the CIOU_LOSS error function to speed up the operation. Experiments have confirmed that our algorithm saves 70% of the time compared to YOLO v5m with the same accuracy.
新冠肺炎极高的传播率使世界各国医疗资源供应紧张。为避免群体感染而实行隔离,对经济、交通、教育等方面产生了严重影响。防疫工作将是一项需要长期开展、不容忽视的日常工作。鉴于戴口罩是目前一种有效的防疫方法,而目前的人脸检测模型对戴口罩的人,以及没有正确佩戴口罩的行人并不有效。它可能会传播这种流行病。本研究将建立具有三种标注的人脸数据集,结合多种深度学习卷积神经网络架构和方法,设计能够快速训练和检测戴口罩、不戴口罩、戴口罩不正确的人脸的人脸检测模型。我们使用自适应算法调整图像大小以减少不必要的操作,并修改CIOU_LOSS错误函数以加快操作速度,希望能为防疫工作做出贡献。实验证明,在相同精度下,我们的算法比YOLO v5m节省了70%的时间。
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引用次数: 6
Study on Y2O3 based gate oxide Si MOS with various annealing ambient 不同退火环境下Y2O3基栅氧化硅MOS的研究
Pub Date : 2022-04-22 DOI: 10.1109/ICASI55125.2022.9774449
Chih-Feng Yen, H. Hsu, Yu-Ya Huang, Shen-Hao Tsao
In this study, zinc oxide (ZnO) doped yttrium (Y2O3) thin film was successfully prepared by liquid phase deposition (LPD). The samples annealed in different gas environments is used to observe the relationship between annealing environment and electrical characteristics. We found that samples annealed in air have the best electrical properties. Mixing different density of ZnO to Y2O3 shows that ZnO doped with 25 % has the best electrical characteristics. The oxide capacitance (Cox), k value, interface trap level density (Dit) and the leakage current density are 248.22 pF, 31.9, 1.08 × 1012 eV-1cm-2 and 5.62 × 10-6 A/cm2 at + 5 V, respectively.
本研究成功地采用液相沉积(LPD)法制备了氧化锌(ZnO)掺杂钇(Y2O3)薄膜。利用在不同气体环境下退火的样品,观察退火环境与电特性之间的关系。我们发现在空气中退火的样品具有最好的电性能。不同浓度的ZnO与Y2O3的混合表明,掺量为25%的ZnO具有最佳的电学特性。在+ 5 V时,氧化物电容(Cox)、k值、界面阱能级密度(Dit)和漏电流密度分别为248.22 pF、31.9、1.08 × 1012 ev - ccm -2和5.62 × 10-6 A/cm2。
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引用次数: 0
Multi-Connection of Double Residual Block for YOLOv5 Object Detection YOLOv5目标检测中双残留块的多连接
Pub Date : 2022-04-22 DOI: 10.1109/ICASI55125.2022.9774468
Chenguang Li, C. Su
In this paper, we propose a different method of deepening the network model of YOLOv5s6 and design three types of Multi-Connection (MC) blocks that are suitable for specific datasets. The main purpose of Multi-Connection block is to reuse features and retain input features for passing down. Eight public datasets and one customized dataset are experimented for verification. We improve the residual block in YOLOv5. The results show that the average precision (AP) can be increased. Compared with the YOLOv5s6, YOLOv5s6 with MC type I increases the AP by 1.6% in the Global Wheat Head Dataset 2020, YOLOv5s6 with MC type II increases the AP by 2.9% in the PlanDoc dataset, and YOLOv5s6 with MC type III increases the AP by 2.9% in the PASCAL Visual Object Classes (VOC) dataset. Using the multi-connection of double residual block performs better than the original residual block of YOLOv5s6.
在本文中,我们提出了一种加深YOLOv5s6网络模型的不同方法,并设计了三种适合特定数据集的Multi-Connection (MC)块。多连接块的主要目的是重用特征并保留输入特征以便向下传递。实验验证了8个公共数据集和1个定制数据集。我们改进了YOLOv5中的剩余块。结果表明,该方法可以提高平均精度。与YOLOv5s6相比,MC类型I的YOLOv5s6在全球小麦头数据集2020中提高了1.6%的AP, MC类型II的YOLOv5s6在PlanDoc数据集中提高了2.9%的AP, MC类型III的YOLOv5s6在PASCAL视觉对象类(VOC)数据集中提高了2.9%的AP。采用双残留块的多连接方式,性能优于YOLOv5s6原有残留块。
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引用次数: 1
期刊
2022 8th International Conference on Applied System Innovation (ICASI)
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