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An approach for mechanical fault classification based on generalized discriminant analysis
LI Wei-hua, SHI Tie-lin, YANG Shu-zi
《机械工程前沿(英文)》 2006年 第1卷 第3期 页码 292-298 doi: 10.1007/s11465-006-0022-2
关键词: generalized discriminant non-separable abnormality classification multi-faults classification
K. Sathish KUMAR, T. JAYABARATHI
《能源前沿(英文)》 2012年 第6卷 第4期 页码 394-402 doi: 10.1007/s11708-012-0211-0
关键词: support vector machines (SVM) structural risk minimization (SRM) equivalent capacity margin (ECM) restoration fault classification
《能源前沿(英文)》 2023年 第17卷 第4期 页码 527-544 doi: 10.1007/s11708-023-0880-x
关键词: fault detection unary classification self-supervised representation learning multivariate nonlinear time series
针对工业故障分类系统的单变量攻击及其防御 Article
卓越, Yuri A.W. Shardt, 葛志强
《工程(英文)》 2022年 第19卷 第12期 页码 240-251 doi: 10.1016/j.eng.2021.07.033
近年来,工业过程故障分类系统主要是由数据驱动的,得益于大量的数据模式,基于深度神经网络的模型显著地提高了故障分类的准确性。但是,这些数据驱动模型容易受到对抗攻击,因此,在样本上的微小扰动会导致模型提供错误的故障预测。最近的研究已经证明了机器学习模型的脆弱性以及对抗样本的广泛存在。本文针对安全、关键的工业故障分类系统提出了一种具有极端约束的黑盒攻击方法:只扰动一个变量来制作对抗样本。此外,为了将对抗样本隐藏在可视化空间中,本文使用了雅可比矩阵来引导扰动变量的选择,使降维空间中的对抗样本对人眼不可见。利用单变量攻击(OVA)方法,文本探究了不同工业变量和故障类别的脆弱性,有助于理解故障分类系统的几何特征。基于攻击方法,文本还提出了相应的对抗训练防御方法,该方法能够有效地防御单变量攻击,并提高分类器的预测精度。在实验中,将本文所提出的方法在田纳西-伊士曼过程(TEP)和钢板(SP)故障数据集上进行了测试。本文探索了变量和故障类别的脆弱相关性,并验证了各种分类器和数据集的单变量攻击和防御方法的有效性。对于工业故障分类系统,单变量攻击方法的攻击成功率接近(在TEP上)甚至高于(在SP 上)目前最有效的一阶白盒攻击方法(该方法需要对所有变量进行扰动)。
集成增强主动学习混合判别分析模型及其在半监督故障分类中的应用 Research Article
王伟俊1,王云2,王君1,方信昀3,何雨辰1
《信息与电子工程前沿(英文)》 2022年 第23卷 第12期 页码 1814-1827 doi: 10.1631/FITEE.2200053
Asghar RAHMATI,Lohrasb FARAMARZI,Manouchehr SANEI
《结构与土木工程前沿(英文)》 2014年 第8卷 第4期 页码 448-455 doi: 10.1007/s11709-014-0262-x
Molecular classification and precision therapy of cancer: immune checkpoint inhibitors
null
《医学前沿(英文)》 2018年 第12卷 第2期 页码 229-235 doi: 10.1007/s11684-017-0581-0
On May 23, 2017, the US Food and Drug Administration (FDA) approved a treatment for cancer patients with positive microsatellite instability-high (MSI-H) markers or mismatch repair deficient (dMMR) markers. This approach is the first approved tumor treatment using a common biomarker rather than specified tumor locations in the body. FDA previously approved Keytruda for treatment of several types of malignancies, such as metastatic melanoma, metastatic non-small-cell lung cancer, recurrent or metastatic head and neck cancer, refractory Hodgkin lymphoma, and urothelial carcinoma, all of which carry positive programmed death-1/programmed death-ligand 1 biomarkers. Therefore, indications of Keytruda significantly expanded. Several types of malignancies are disclosed by MSI-H status due to dMMR and characterized by increased neoantigen load, which elicits intense host immune response in tumor microenvironment, including portions of colorectal and gastric carcinomas. Currently, biomarker-based patient selection remains a challenge. Pathologists play important roles in evaluating histology and biomarker results and establishing detection methods. Taking gastric cancer as an example, its molecular classification is built on genome abnormalities, but it lacks acceptable clinical characteristics. Pathologists are expected to act as “genetic interpreters” or “genetic translators” and build a link between molecular subtypes with tumor histological features. Subsequently, by using their findings, oncologists will carry out targeted therapy based on molecular classification.
关键词: molecular classification precision medicine pembrolizumab PD-1/PD-L1 MSI-H
Masoud RANJBARNIA, Milad ZAHERI, Daniel DIAS
《结构与土木工程前沿(英文)》 2020年 第14卷 第4期 页码 998-1011 doi: 10.1007/s11709-020-0621-8
关键词: urban tunnel sprayed concrete reverse fault normal fault finite difference analysis
EAI-oriented information classification code system in manufacturing enterprises
WANG Junbiao, DENG Hu, JIANG Jianjun, YANG Binghong, WANG Bailing
《机械工程前沿(英文)》 2008年 第3卷 第1期 页码 81-85 doi: 10.1007/s11465-008-0011-8
Basic research on machinery fault diagnostics: Past, present, and future trends
Xuefeng CHEN, Shibin WANG, Baijie QIAO, Qiang CHEN
《机械工程前沿(英文)》 2018年 第13卷 第2期 页码 264-291 doi: 10.1007/s11465-018-0472-3
Machinery fault diagnosis has progressed over the past decades with the evolution of machineries in terms of complexity and scale. High-value machineries require condition monitoring and fault diagnosis to guarantee their designed functions and performance throughout their lifetime. Research on machinery Fault diagnostics has grown rapidly in recent years. This paper attempts to summarize and review the recent R&D trends in the basic research field of machinery fault diagnosis in terms of four main aspects: Fault mechanism, sensor technique and signal acquisition, signal processing, and intelligent diagnostics. The review discusses the special contributions of Chinese scholars to machinery fault diagnostics. On the basis of the review of basic theory of machinery fault diagnosis and its practical applications in engineering, the paper concludes with a brief discussion on the future trends and challenges in machinery fault diagnosis.
关键词: fault diagnosis fault mechanism feature extraction signal processing intelligent diagnostics
Machine learning for fault diagnosis of high-speed train traction systems: A review
《工程管理前沿(英文)》 doi: 10.1007/s42524-023-0256-2
关键词: high-speed train traction systems machine learning fault diagnosis
Acoustic fault signal extraction via the line-defect phononic crystals
《机械工程前沿(英文)》 2022年 第17卷 第1期 页码 10-10 doi: 10.1007/s11465-021-0666-y
关键词: phononic crystals line-defect fault signal extraction acoustic enhancement
Iterative HOEO fusion strategy: a promising tool for enhancing bearing fault feature
《机械工程前沿(英文)》 2023年 第18卷 第1期 doi: 10.1007/s11465-022-0725-z
关键词: higher order energy operator fault diagnosis manifold learning rolling element bearing information fusion
《机械工程前沿(英文)》 2021年 第16卷 第4期 页码 814-828 doi: 10.1007/s11465-021-0650-6
关键词: bearing cross-severity fault diagnosis hierarchical fault diagnosis convolutional neural network decision tree
《机械工程前沿(英文)》 2022年 第17卷 第2期 doi: 10.1007/s11465-022-0673-7
关键词: deep reinforcement learning hyper parameter optimization convolutional neural network fault diagnosis
标题 作者 时间 类型 操作
An approach for mechanical fault classification based on generalized discriminant analysis
LI Wei-hua, SHI Tie-lin, YANG Shu-zi
期刊论文
Fault classification and reconfiguration of distribution systems using equivalent capacity margin method
K. Sathish KUMAR, T. JAYABARATHI
期刊论文
Unknown fault detection for EGT multi-temperature signals based on self-supervised feature learning andunary classification
期刊论文
Development of a new method for RMR and Q classification method to optimize support system in tunneling
Asghar RAHMATI,Lohrasb FARAMARZI,Manouchehr SANEI
期刊论文
Three-dimensional finite difference analysis of shallow sprayed concrete tunnels crossing a reverse faultor a normal fault: A parametric study
Masoud RANJBARNIA, Milad ZAHERI, Daniel DIAS
期刊论文
EAI-oriented information classification code system in manufacturing enterprises
WANG Junbiao, DENG Hu, JIANG Jianjun, YANG Binghong, WANG Bailing
期刊论文
Basic research on machinery fault diagnostics: Past, present, and future trends
Xuefeng CHEN, Shibin WANG, Baijie QIAO, Qiang CHEN
期刊论文
Deep convolutional tree-inspired network: a decision-tree-structured neural network for hierarchical fault
期刊论文