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The role of industry 4.0 technologies in overcoming pandemic challenges for the manufacturing sector. 工业 4.0 技术在克服制造业面临的流行病挑战方面的作用。
4区 工程技术 Q2 Engineering Pub Date : 2022-06-01 DOI: 10.1177/1063293X221082681
Parham Dadash Pour, Mohammad A Nazzal, Basil M Darras

Industry 4.0 aims to revolutionize the manufacturing sector to achieve sustainable and efficient production. The novel coronavirus pandemic has brought many challenges in different industries globally. Shortage in supply of raw material, changes in product demand, and factories closures due to general lockdown are all examples of such challenges. The adaption of Industry 4.0 technologies can address these challenges and prevent their recurrence in case of another pandemic outbreak in future. A prominent advantage of Industry 4.0 technologies is their capability of building resilient and flexible systems that are responsive to exceptional circumstances such as unpredictable market demand, supply chain interruptions, and manpower shortage which can be crucial at times of pandemics. This work focuses on discussing how different Industry 4.0 technologies such as Cyber Physical Systems, Additive Manufacturing, and Internet of Things can help the manufacturing sector overcome pandemics challenges. The role of Industry 4.0 technologies in raw material provenance identification and counterfeit prevention, collaboration and business continuity, agility and decentralization of manufacturing, crisis simulation, elimination of single point of failure risk, and other factors is discussed. Moreover, a self-assessment readiness model has been developed to help manufacturing firms determine their readiness level for implementing different Industry 4.0 technologies.

工业 4.0 旨在彻底改变制造业,实现可持续和高效的生产。新型冠状病毒大流行给全球各行各业带来了许多挑战。原材料供应短缺、产品需求变化、工厂因全面停产而关闭等都是此类挑战的例子。采用工业 4.0 技术可以应对这些挑战,并防止未来再次爆发大流行病时再次出现这些挑战。工业 4.0 技术的一个突出优势是能够建立弹性和灵活的系统,以应对不可预测的市场需求、供应链中断和人力短缺等特殊情况,这在大流行病爆发时至关重要。这项工作的重点是讨论网络物理系统、增材制造和物联网等不同的工业 4.0 技术如何帮助制造业克服大流行病的挑战。讨论了工业 4.0 技术在原材料来源识别和防伪、协作和业务连续性、制造的灵活性和分散性、危机模拟、消除单点故障风险等方面的作用。此外,还开发了一个自我评估准备程度模型,以帮助制造企业确定其实施不同工业 4.0 技术的准备程度。
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引用次数: 0
Deep learning based fusion model for COVID-19 diagnosis and classification using computed tomography images 基于深度学习的计算机断层图像诊断与分类融合模型
4区 工程技术 Q2 Engineering Pub Date : 2021-06-09 DOI: 10.1177/1063293X211021435
R.T.Subhalakshmi, S. Balamurugan, S. Sasikala
Recently, the COVID-19 pandemic becomes increased in a drastic way, with the availability of a limited quantity of rapid testing kits. Therefore, automated COVID-19 diagnosis models are essential to identify the existence of disease from radiological images. Earlier studies have focused on the development of Artificial Intelligence (AI) techniques using X-ray images on COVID-19 diagnosis. This paper aims to develop a Deep Learning Based MultiModal Fusion technique called DLMMF for COVID-19 diagnosis and classification from Computed Tomography (CT) images. The proposed DLMMF model operates on three main processes namely Weiner Filtering (WF) based pre-processing, feature extraction and classification. The proposed model incorporates the fusion of deep features using VGG16 and Inception v4 models. Finally, Gaussian Naïve Bayes (GNB) based classifier is applied for identifying and classifying the test CT images into distinct class labels. The experimental validation of the DLMMF model takes place using open-source COVID-CT dataset, which comprises a total of 760 CT images. The experimental outcome defined the superior performance with the maximum sensitivity of 96.53%, specificity of 95.81%, accuracy of 96.81% and F-score of 96.73%.
最近,COVID-19大流行疫情急剧加剧,而快速检测试剂盒的数量有限。因此,自动COVID-19诊断模型对于从放射图像中识别疾病的存在至关重要。此前的研究重点是开发利用x射线图像诊断新冠肺炎的人工智能技术。本文旨在开发一种基于深度学习的多模态融合技术,称为DLMMF,用于从计算机断层扫描(CT)图像中诊断和分类COVID-19。所提出的DLMMF模型主要包括三个过程:基于Weiner滤波(WF)的预处理、特征提取和分类。该模型使用VGG16和Inception v4模型融合了深度特征。最后,采用基于高斯Naïve贝叶斯(GNB)的分类器对测试CT图像进行识别和分类。DLMMF模型使用开源COVID-CT数据集进行实验验证,该数据集共包含760张CT图像。实验结果表明,该方法的最大灵敏度为96.53%,特异性为95.81%,准确度为96.81%,f评分为96.73%。
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引用次数: 8
Using formal methods to scope performance challenges for Smart Manufacturing Systems: focus on agility. 使用形式化方法确定智能制造系统性能挑战的范围:关注敏捷性。
4区 工程技术 Q2 Engineering Pub Date : 2015-12-01 DOI: 10.1177/1063293X15603217
Kiwook Jung, K C Morris, Kevin W Lyons, Swee Leong, Hyunbo Cho

Smart Manufacturing Systems (SMS) need to be agile to adapt to new situations by using detailed, precise, and appropriate data for intelligent decision-making. The intricacy of the relationship of strategic goals to operational performance across the many levels of a manufacturing system inhibits the realization of SMS. This paper proposes a method for identifying what aspects of a manufacturing system should be addressed to respond to changing strategic goals. The method uses standard modeling techniques in specifying a manufacturing system and the relationship between strategic goals and operational performance metrics. Two existing reference models related to manufacturing operations are represented formally and harmonized to support the proposed method. The method is illustrated for a single scenario using agility as a strategic goal. By replicating the proposed method for other strategic goals and with multiple scenarios, a comprehensive set of performance challenges can be identified.

智能制造系统(SMS)需要利用详细、精确和适当的数据进行智能决策,从而灵活地适应新情况。在制造系统的多个层面上,战略目标与运营绩效之间错综复杂的关系阻碍了 SMS 的实现。本文提出了一种方法,用于确定制造系统的哪些方面应加以解决,以应对不断变化的战略目标。该方法使用标准建模技术来指定制造系统以及战略目标与运营绩效指标之间的关系。与制造运营相关的两个现有参考模型被正式表示出来,并进行了协调,以支持所建议的方法。该方法针对以敏捷性为战略目标的单一情景进行了说明。通过对其他战略目标和多种情景复制所提出的方法,可以确定一系列全面的绩效挑战。
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引用次数: 0
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Concurrent Engineering-Research and Applications
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