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2019 International Conference on Computer, Communication, Chemical, Materials and Electronic Engineering (IC4ME2)最新文献

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An Efficient Modified Bagging Method for Early Prediction of Brain Stroke 一种用于脑卒中早期预测的改进Bagging方法
Md. Azizul Hakim, Md. Zahid Hasan, Md. Mahabur Alam, M. Hasan, M. Hasan
Brain stroke become a serious cardiovascular and cerebral disease causes of human death. Precisely predicting stroke effect from a set of predictive attributes may classify high-risk patients and guide cure approaches, leading to reduce relative incidence. In respect to, we have collected the information regarding brain stroke patient’s data from five renowned hospitals in Bangladesh with connectivity in patients with acute thalamic ischemic stroke (melanoma), Atypical Nevus (cancer risk) and Common Nevus (No cancer risk). In this work, we propose an ensemble based Modified Bootstrap Aggregating (Bagging) technique for pattern classification. Existing bagging algorithm, can usually progress the performance of a single classifier. However, they typically need larger space as well as quite time-consuming predictions. However, our proposed accuracy based pruning bagging method can improve the classification performance and reduce ensemble size. In general, our proposed modified bagging technique is more appropriate than traditional bagging technique for the prediction of brain stroke disease patients with greater accuracy of 96%.
脑中风成为导致人类死亡的一种严重的心脑血管疾病。从一组预测属性中准确预测脑卒中的疗效,可以对高危患者进行分类,指导治疗方法,从而降低相对发病率。在这方面,我们从孟加拉国五家知名医院收集了脑中风患者的数据信息,这些数据与急性丘脑缺血性中风(黑色素瘤)、非典型痣(癌症风险)和普通痣(无癌症风险)的患者相关联。在这项工作中,我们提出了一种基于集成的改进自举聚合(Bagging)技术用于模式分类。现有的套袋算法,通常可以进步单个分类器的性能。然而,它们通常需要更大的空间以及相当耗时的预测。然而,我们提出的基于精度的修剪套袋方法可以提高分类性能并减小集合大小。总的来说,我们提出的改良袋装技术比传统的袋装技术更适合预测脑卒中患者,准确率高达96%。
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引用次数: 6
Design and Implementation of an FDM Based 3D Printer 基于FDM的3D打印机的设计与实现
Muzammal Hoque, Md. Mehedi Hashan Jony, Mehedi Hasan, M. H. Kabir
3D printing refers to the processes in which materials joined or solidified under computer control to create a three-dimensional object. A machine that allows this process is known as a 3D printer. It has several components. The major components of a 3D printer are frame, Head movement mechanics, (Stepper) Motors, The print head/extruder, Firmware, 3D Software, etc. In this research, it was attempted to describe the design and construction process of a Fused Deposition Modeling (FDM) 3D printer with the help of a traditional 3D printer. The 3D printer was used to print different-designed parts of our targeted 3D printer designed by Computer-Aided Design (CAD) software. After the construction and firmware installation, four different prints of different sizes were done and the resulting outputs were analyzed.
3D打印是指在计算机控制下将材料连接或固化以创建三维物体的过程。能够完成这一过程的机器被称为3D打印机。它有几个组成部分。3D打印机的主要组成部分是框架、机头运动机制、(步进)电机、打印头/挤出机、固件、3D软件等。在本研究中,试图描述在传统3D打印机的帮助下,熔融沉积建模(FDM) 3D打印机的设计和制造过程。利用计算机辅助设计(CAD)软件对我们的目标3D打印机进行不同设计部件的打印。在构建和固件安装之后,进行了四种不同尺寸的打印,并分析了输出结果。
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引用次数: 5
Traffic Sign Recognition by Integrating Convolutional Neural Network and Support Vector Machine 基于卷积神经网络和支持向量机的交通标志识别
Shawkh Ibne Rashid, Md. Azharul Islam, Md. Al Mehedi Hasan
This paper represents a combined model of convolutional neural network (CNN) and support vector machine (SVM) for traffic sign recognition. This model was built by training a CNN model. Once the CNN model is fully trained the output from the later layers of CNN can be used as features. These features were then fed into SVM for classification purpose. Three different models of CNN: modified version of LeNet, AlexNet and ResNet-50 were considered to build three CNN-SVM models. The integrated model of Resnet50 and SVM seems to perform better than ResNet-50 while the other two merged models of Lenet and Alexnet performed worse than their corresponding CNN models. One reason of this can be ResNet-50 having a shallow classification part consisting of only one fully connected layer while modified version of LeNet and AlexNet have 3 and 4 fully connected layers respectively. This combined approach provides for a good comparison between SVM and CNN as classifiers since the features used in both these classifiers are same. So a comparative analysis among three different CNN models and their corresponding integrated models is shown. In our analysis, we considered different measurement metrices like accuracy, precision, recall and F1 score. We used German Traffic Sign Detection Benchmark (GTSRB) dataset. This dataset gives access to a wide range of traffic sign images.
提出了一种卷积神经网络(CNN)与支持向量机(SVM)相结合的交通标志识别模型。该模型是通过训练CNN模型建立的。一旦CNN模型被完全训练,CNN后一层的输出就可以用作特征。然后将这些特征输入支持向量机进行分类。我们考虑了三种不同的CNN模型:LeNet的改进型、AlexNet的改进型和ResNet-50的改进型,构建了三个CNN- svm模型。Resnet50和SVM的集成模型似乎比ResNet-50表现更好,而Lenet和Alexnet的另外两个合并模型则比它们对应的CNN模型表现更差。其中一个原因可能是ResNet-50的浅分类部分只有一个全连接层,而修改版本的LeNet和AlexNet分别有3个和4个全连接层。这种组合方法为SVM和CNN作为分类器提供了很好的比较,因为这两个分类器使用的特征是相同的。因此,本文对三种不同的CNN模型及其相应的集成模型进行了对比分析。在我们的分析中,我们考虑了不同的测量指标,如准确性,精密度,召回率和F1分数。我们使用德国交通标志检测基准(GTSRB)数据集。该数据集提供了广泛的交通标志图像。
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引用次数: 1
Low temperature synthesis of carbon nanostructure and effect of temperatures on the growth of amorphous carbon nanostructure. 碳纳米结构的低温合成及温度对非晶碳纳米结构生长的影响。
Rahul Saha Joy, Mir Mohammad Adil, Md. Abdullah Al Mahmood
The effects of temperatures on the growth and morphology of the nanostructured materials from ferrocene is observed. The process carried in an open air condition instead of autoclave which is difficult to maintain. Here, we have observed the variation of heating temperatures in the growth of CNSs by carrying out the reaction between ferrocene and ammonium chloride in a solvent free condition for 45mins. Carbon nanostructures of different form yielded from this reaction at 230 (CNS-230), 240 (CNS-240), 250 (CNS-250) and 260 (CNS-260) were characterized by means of field emission scanning electron microscopy (FESEM) coupled with energy-dispersive x-ray (EDX), X-Ray Diffraction spectroscopy(XRD), Fourier transform infrared (FTIR) and ultraviolet–visible (UV–Vis) spectroscopy. The FESEM images obtained shows long carbon tube with diameter ranging from 70-160nm and varying with temperatures. While EDX confirms the very high percentage of carbon in the samples. FTIR spectra of all the nanostructures confirmed the presence of functional group such as C=C, corresponding to amorphous carbon. UV–Vis spectra shows no absorption peak in the visible region suggested that the sample is amorphous in nature, which is also strongly supported by XRD of the synthesized nanostructure.
研究了温度对二茂铁纳米材料生长和形貌的影响。该工艺在露天条件下进行,而不是在难以维护的高压灭菌器中进行。本文通过二茂铁与氯化铵在无溶剂条件下反应45min,观察了CNSs生长过程中加热温度的变化。采用场发射扫描电镜(FESEM)、能量色散x射线(EDX)、x射线衍射光谱(XRD)、傅里叶变换红外光谱(FTIR)和紫外可见光谱(UV-Vis)对在230 (CNS-230)、240 (CNS-240)、250 (CNS-250)和260 (CNS-260)反应下得到的不同形态的碳纳米结构进行了表征。获得的FESEM图像显示长碳管,直径在70 ~ 160nm之间,随温度的变化而变化。而EDX则证实了样品中碳的含量很高。所有纳米结构的FTIR光谱都证实了C=C等官能团的存在,与非晶碳相对应。紫外可见光谱显示在可见光区没有吸收峰,表明样品本质上是无定形的,合成的纳米结构的XRD也有力地支持了这一点。
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引用次数: 0
Rotating Element Bearing Fault Diagnosis Using Discrete Cosine Transform and Supervised Machine Learning Algorithm 基于离散余弦变换和监督机器学习算法的旋转轴承故障诊断
Kangkan Bhakta, Niloy Sikder, A. Nahid, M. M. M. Islam
Motors are the driving force of our industrial world, as they power approximately 85% of all rotating machines. This revolutionary invention has been through radical changes before entering into the commercial industries, and their present forms are very reliable, to say the least. However, despite being so robust, induction motors are not entirely fault-proof and are more vulnerable to the internal faults than the external ones. Among the internal faults, certain types of bearing faults are more frequent, and their effects range from various performance-related issues to hard motor breakdowns. Fortunately, the recent advancements in the fields of Digital Signal Processing and Machine Learning allow us to detect these bearing faults and Figure out their origins, which in turn enables us to preserve their health and take measures against breakdowns. Through vibration analysis, this paper proposes a powerful method to detect these faults and differentiate among them based on the location of their occurrence within the bearing. Utilizing a well-known signal processing technique called Discrete Cosine Transform and Decision Tree classifier, this method is capable of classifying the motor bearing states with a 99.4% accuracy.
电机是我们工业世界的驱动力,因为它们为大约85%的旋转机器提供动力。这种革命性的发明在进入商业工业之前已经经历了翻天覆地的变化,至少可以说,它们现在的形式是非常可靠的。然而,尽管如此强大,感应电机并不是完全防故障,更容易受到内部故障比外部故障。在内部故障中,某些类型的轴承故障更为频繁,其影响范围从各种与性能相关的问题到硬电机故障。幸运的是,数字信号处理和机器学习领域的最新进展使我们能够检测这些轴承故障并找出其根源,从而使我们能够保持其健康并采取措施防止故障。通过振动分析,提出了一种有效的故障检测方法,并根据故障在轴承内部的发生位置对故障进行区分。利用离散余弦变换和决策树分类器这一著名的信号处理技术,该方法能够以99.4%的准确率对电机轴承状态进行分类。
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引用次数: 1
PID Controller Based Automatic Solar PowerDriven Grass Cutting Machine 基于PID控制的自动太阳能割草机
Md. Rawshan Habib, K. Ahmed, Naureen Khan, Mahbubur Rahman Kiran, M. Habib, M. Hasan, Omar Farrok
In this paper, an automatic grass cutting machine is designed and implemented that uses solar energy as its primary source. The proposed grass cutter is lightweight and portable. It has two major parts: one is a motor-powered base and the other is cutting blades with motor. Its default mood is automatic although it can be operated manually if necessary. It can detect the position of grass by a color sensor through specified band of green color signal and is able to move automatically towards the grass by its motorized controlled base. As soon as the motor driven cutting blade comes close to the grass, it starts cutting and continue until all grasses around it is being cut down. The prototype of the grass cutter is tested experimentally. The test result proves that, the grass cutter successfully performs its operation. Two degree-of-freedom PID controllers are proposed to control the motor speed of the prototype.
本文设计并实现了一种以太阳能为主要能源的自动割草机。拟议中的割草机重量轻,便于携带。它有两个主要部分:一个是电机驱动的底座,另一个是用电机切割刀片。它的默认情绪是自动的,虽然它可以手动操作,如果需要的话。它可以通过颜色传感器通过指定波段的绿色信号检测草的位置,并可以通过其电动控制底座自动向草移动。当电机驱动的割刀靠近草时,它就开始割草,直到周围的草都被割完。对割草机样机进行了实验测试。试验结果证明,该割草机操作成功。提出了两个自由度的PID控制器来控制样机的电机速度。
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引用次数: 9
Competency Test in Cricket Defensive Drive using Double Pendulum Dynamics 用双摆动力学测试板球防守跑位能力
S. C. Mohonta, A. K. Sarkar
The level of competency of playing cricket defensive drive was measured by using double pendulum model. Three defensive drives by three right-handed batters were recorded in the bat and wrist mounted inertial sensors. The sensor recorded acceleration profiles were tried to match with those obtained by modeling the drives with double pendulum dynamics imposing the initial conditions at start of each drives. In the analysis, the movement of the bat was modeled as the lower pendulum and the wrist as the upper pendulum of the double pendulum model. Phase portrait derivative method was used to analyze each drives in the pendulum dynamics to quantify the competency of the action for the drives. The method showed that the better competency of two batters (error 2.5% and 7.4%) compared to third one (error 13.9%) can easily be identified observing the statistical features (i. e. standard deviation of the bat velocity, ratio of major to minor axis of the phase portrait curve, null hypothesis between sensor data and data from the double pendulum model) extracted from the sensor and double pendulum model. Competency test can be a useful tool for cricket coaching environment; furthermore, incorporation of mathematics in cricket batting might add a new dimension in batting research.
采用双摆模型对我国板球运动员防守驱力水平进行了测量。三名右手击球手的三次防守击出被记录在球棒和腕上安装的惯性传感器上。将传感器记录的加速度曲线与双摆动力学建模得到的加速度曲线进行匹配,并在每个驱动器启动时施加初始条件。在分析中,球拍的运动被建模为下摆,手腕的运动被建模为双摆模型的上摆。采用相位肖像导数法对摆动力学中的各个驱动器进行了分析,量化了驱动器的动作能力。该方法表明,通过从传感器和双摆模型中提取的击球速度标准差、相位肖像曲线长、短轴比、传感器数据与双摆模型数据的零假设等统计特征,可以很容易地识别出两名击球者(误差分别为2.5%和7.4%)比第三名击球者(误差13.9%)更强。能力测试可以成为板球教练环境的有效工具;此外,将数学纳入板球击球研究可能会为击球研究增加一个新的维度。
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引用次数: 0
Secure Wireless Multicasting with Mixture Gamma Distribution for Generalized-K Fading Channels 广义k衰落信道中混合伽马分布的安全无线多播
M. K. Kundu, M. Sarkar, A. S. M. Badrudduza, Dilip Kumar Sarker
This paper concentrates on the analysis of security performance for transmitting confidential data from a source to multiple receivers over Generalized-K fading multicasting channel in the presence of multiple eavesdroppers. All the terminals are equipped with single antenna and all the channels are Generalized-K fading based on mixture gamma distribution. In order to investigate the effects of fading parameters imposed on the Generalized-K fading with mixture gamma distribution, we derive the closed-form analytical expressions for the probability of non-zero secrecy multicast capacity, ergodic secrecy multicast capacity and the secure outage probability for multicasting &. The derived analytical expressions are presented in terms of the fading parameters of Generalized-K fading with mixture gamma distribution so that they are helpful to understand the insight, how the security in multicasting can be enhanced adjusting the parameters of Generalized-K fading channels. Monte-Carlo Simulations have also been performed to validate the analytical results.
本文主要分析了在有多个窃听者存在的广义k衰落多播信道上机密数据从一个源传输到多个接收者的安全性能。所有终端均采用单天线,所有信道均采用基于混合伽马分布的广义k衰落。为了研究衰落参数对混合伽马分布下广义k衰落的影响,我们导出了非零保密组播容量概率、遍历保密组播容量概率和组播安全中断概率的封闭解析表达式。给出了混合伽玛分布下广义k衰落参数的解析表达式,有助于理解如何通过调整广义k衰落信道的参数来提高组播的安全性。通过蒙特卡罗模拟验证了分析结果。
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引用次数: 3
Breast Cancer Diagnosis Models Using PCA and Different Neural Network Architectures 基于PCA和不同神经网络架构的乳腺癌诊断模型
M. Hasan, Md. Rakibul Haque, Mir Md. Jahangir Kabir
One of the most wide-spreading diseases among women is Breast Cancer. For this reason, a proper diagnosis is necessary for designating necessary treatment. Using the previous information about patients, diagnosis is being performed by various machine learning algorithms. As the data are getting bigger, it is becoming more necessary to extract the useful information from the huge pile of information. In this paper, we have used the Wisconsin diagnostic breast cancer dataset (WDBC) and SEER 2017 Breast Cancer Dataset. Then we have used Principal component analysis in order to extract useful features. After that, we have classified the reduced datasets using multi-layer perceptron (MLP) and convolution neural network (CNN). Then we have provided a comparative comparison of our model for both the reduced datasets. Our MLP model has achieved an accuracy of 99.1% on reduced WDBC dataset and 89.3% on SEER 2017 Breast Cancer dataset whereas CNN Model has achieved 96.4% on reduced WDBC dataset and 88.3% on SEER 2017 Breast Cancer Dataset.
乳腺癌是女性中传播最广泛的疾病之一。因此,正确的诊断对于指定必要的治疗是必要的。利用患者之前的信息,各种机器学习算法正在进行诊断。随着数据量的不断增大,从海量的信息中提取有用的信息变得越来越有必要。在本文中,我们使用了威斯康星州诊断乳腺癌数据集(WDBC)和SEER 2017乳腺癌数据集。然后利用主成分分析提取有用的特征。之后,我们使用多层感知器(MLP)和卷积神经网络(CNN)对约简数据集进行分类。然后,我们为两个简化的数据集提供了我们的模型的比较。我们的MLP模型在简化WDBC数据集上的准确率为99.1%,在SEER 2017乳腺癌数据集上的准确率为89.3%,而CNN模型在简化WDBC数据集上的准确率为96.4%,在SEER 2017乳腺癌数据集上的准确率为88.3%。
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引用次数: 4
Wet Chemical etching for edge Isolation of Solar cell using HNA 湿化学蚀刻技术在太阳能电池边缘隔离中的应用
Md Elias Uddin, T. H. Mojumder, S.M. Nasif Shams
Solar cell efficiency is subjected to some innate variables such as Open Circuit Voltage (Voc), Short Circuit Current (Isc), and Fill Factor (FF). Parasitical elements have effect on these variables. Resistive elements are known shunt resistances and series resistance. Shunt resistance in solar panel happens due to deficiencies. Volume shunts can occur due to impurities like metal particles defilement or aluminum particle defilement while making grid fingers are nearly inconceivable to remove except damaging experimental the solar cell. In many cases, frequently occurred edge shunts caused by cracks, spots can be eliminated with different available techniques. During the making of solar cell, edge isolation process can be applied on the solar cells that affects IV characteristics of solar cell, which is critical to the efficiency. In this research work, wet chemical etching method by combination of Hydrochloric acid, Nitric acid and Nitric acid (HNA solution). This combined solution is used for experimental procedure. In experimental results, it is observed that etching with the acid solution improves the IV characteristics of solar cells and hence it ameliorates the power curves. Efficiency before etching solar cells was 3.17% and 3.90%. After etching the solar cell efficiency increase up to 5.53% and 5.31% respectively.
太阳能电池的效率受到一些固有变量的影响,如开路电压(Voc)、短路电流(Isc)和填充因子(FF)。寄生因素对这些变量有影响。电阻元件被称为分流电阻和串联电阻。太阳能板中的分流电阻是由于缺陷造成的。体积分流可能由于杂质如金属颗粒污染或铝颗粒污染而发生,而制造网格手指几乎是不可想象的,除了损坏实验太阳能电池。在许多情况下,由于裂纹、斑点引起的频繁发生的边缘分流可以通过不同的可用技术消除。在太阳能电池的制造过程中,太阳能电池的边缘隔离工艺会影响电池的IV特性,对电池的效率起着至关重要的作用。在本研究工作中,采用盐酸、硝酸和硝酸(HNA溶液)相结合的湿法化学蚀刻方法。该混合溶液用于实验程序。实验结果表明,酸溶液的腐蚀改善了太阳能电池的IV特性,从而改善了功率曲线。蚀刻前的效率分别为3.17%和3.90%。经刻蚀后,太阳能电池效率分别提高了5.53%和5.31%。
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引用次数: 1
期刊
2019 International Conference on Computer, Communication, Chemical, Materials and Electronic Engineering (IC4ME2)
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