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检索条件"任意字段=International Conference on Process Automation, Control and Computing"

共 28119 条记录，以下是4891-4900 订阅

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Plant-Wide process Incipient Fault Detection via Double-Layer Subspace Weighted Moving Window Reconstruction ICA

Plant-Wide Process Incipient Fault Detection via Double-Laye...

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IEEE conference on Cybernetics and Intelligent Systems

作者： Bing Song YiMeng Song Hongbo Shi QingChao Jiang Key Laboratory of Advanced Control and Optimization for Chemical Processes of the Ministry of Education East China University of Science and Technology Shanghai China

ISBN: (数字)9798350364194

ISBN: (纸本)9798350364200

With the widespread use of distributed systems, multi-subspace whole-flow industrial monitoring methods are evolving. However, due to the lack of distinctive features, incipient faults in plant-wide processes are more difficult to detect. To improve the detection rate of incipient faults in plant-wide processes while maintaining the generality of the algorithm, a novel double-layer subspace weighted moving window reconstruction independent component analysis (DS-WRICA) method is proposed. In DS-WRICA, process variables are first divided into different subspaces based on process knowledge and data-driven partitioning methods. Secondly, a weighted moving window is used to increase the offset of incipient faults, and monitoring statistics are constructed by combining optimized reconstructed independent component analysis (RICA) and local outlier factor (LOF) in each subspace. Then, the monitoring statistics in each subspace are fused with information by Bayesian inference fusion method to obtain distributed monitoring results. Finally, the effectiveness and superiority of the DS-WRICA method are verified by industrial examples.

关键词： Sensitivity Mechatronics Statistical analysis Fault detection Random access memory Independent component analysis Robot sensing systems

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Customer Churn Prediction in the Telecom Sector with Machine Learning and Adaptive k-Means Cluster using Imbalance Data

Customer Churn Prediction in the Telecom Sector with Machine...

引用

Distributed computing and Optimization Techniques (ICDCOT), international conference on

作者： N L Aravinda R Archana Reddy Bala Dhandayuthapani V Jithendra P R Nayak Ahmad Husseen Electronics and Communication Engineering Department Mallareddy Engineering College for Women (Autonomous) Hyderabad Telangana India School of Computer Science and Engineering SR University Warangal Telangana India Department of IT College of Computing and Information Sciences University of Technology and Applied Sciences Shinas branch Oman Department of CSE Srinivas Institute of Technology Valachil Mangalore India The Islamic university Najaf Iraq

A crucial aspect of maintaining a customer-oriented business in the telecommunications sector with machine learning (ML) is understanding the reasons and factors that lead to customer churn. However, the dataset is difficult by noise, misclassifications, duplicated data, and imbalanced customer information complicating the process of identifying ways to split the dataset based on events. The under-sampling method address the imbalance data by decreasing the data quantity of majority class, thereby achieving a balanced dataset. This method, utilizing Adaptive k-means clustering, directly determines the reduction based on that data quality in each class. The datasets are combined with class labels to generate a new balanced dataset used for classification in the SVM algorithm, which distinguishes between customer churn and non-churn in the prediction for the telecom sector. The SVM algorithm can perform linear and non-linear classification with a kernel function to control overfitting improve generalization and handle high-dimensional data. The obtained results demonstrate that the proposed method achieves better accuracy of 95.70%, precision of 56.01%, Recall of 55.05%, and F1-score of 96.05% on the telecom churn dataset. These results ensure superior detection and classification performance compared to other existing methods, such as Random Forest (RF), Decision Tree (DT) and K-Nearest Neighbour (KNN).

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Formalization of process-oriented Programs in poST Using Isabelle/HOL

Formalization of Process-oriented Programs in poST Using Isa...

引用

Annual Siberian Russian Workshop on Electron Devices and Materials (EDM)

作者： Artyom D. Ishchenko Igor S. Anureev Sergey M. Staroletov Natalia O. Garanina Vladimir E. Zyubin Cyber-physical lab Institute of Automation and Electrometry Novosibirsk Russia

To develop reliable control systems running on embedded devices, we advice to use domain specified languages. They abstract away the underlying hardware and provide the necessary syntactic sugar to conveniently describe the most useful control constructs. In addition, such languages can provide toolsets for proving the correctness of programs in them against given formal requirements. In this paper, we consider a partial solution of such a problem related to the formalization of the control code. In our case, syntactic sugar lies in extending the IEC 61131–3 standard for industrial automation languages with explicit statefulness and focusing on logical decomposition of code into processes. The aim of the present paper is to provide approaches and methods for transforming imperative programs in such a promising poST (process-oriented structured text) language into a functional representation for their further proofs using the Isabelle/HOL system. In our solution, we provide insight into three parts of the formalization: (1) the creation of basic data types constituting the original code model, (2) transformation of the poST code model into special representation for execution, and (3) a group of inductive definitions constructing the process of execution. The results represent a complete solution in the form of a formal functional model for the execution of poST programs and then can be used to form and prove theorems based on the model.

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Research on power communication network inspection technology based on robot process automation

Research on power communication network inspection technolog...

引用

2021 international conference on Electronic Information Engineering and Computer Technology, EIECT 2021

作者： Kang, Zhongmiao Zhang, Jian Xu, Shina Zhang, Zhengfeng Liu, Xinzhan Guangdong Electric Power Dispatch Control Center China

ISBN: (数字)9781510650510

ISBN: (纸本)9781510650503

With the continuous strengthening of the construction of domestic power grids, in order to efficiently use inspection robots to carry out power inspection work, to meet the needs of the development of the power industry for automation and intelligent inspection. This article analyzes the robot structure, key communication technologies and inspection routes in the power inspection system, establishes related models and design corresponding plans in the communication inspection scene, and briefly analyzes and briefly introduces the robot cluster scheduling, task control, and intelligence. The specific functions of analysis, remote real-time measurement and control, data processing, communication data link network, ground-based enhancement, and risk monitoring sub-systems provide stable technical support for the communication grid inspection. © 2021 SPIE.

关键词： Inspection

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Design and Application of Distributed computing Environment Based on Data Drive 3

Design and Application of Distributed Computing Environment ...

引用

2020 3rd international conference on Modeling, Simulation and Optimization Technologies and Applications, MSOTA 2020

作者： Zhu, Zhenguo Bi, Chao Zheng, Rong Zheng, Song College of Electrical Engineering and Automation Fuzhou University Fuzhou China Research Institute of Fujian Histron Group Co. Ltd. Fuzhou China Technology Co. Ltd. Fuzhou China

This paper proposes a distributed computing environment based on data-driven mechanism, which can be deployed on different levels of Industrial Internet, designs and implements an Industrial Internet architecture with high reusability and rapid deployment. This architecture has the consistency of the computing environment in the cloud and terminal control layer, which is beneficial to the realization of remote management and collaborative control of Industrial Internet. Data driven technology enables heterogeneous industrial equipment to achieve interconnection and interworking at a low cost. The multi-engine computing environment constructed by it is not only an effective method to solve the application design and development of complex systems, but also a key technology to realize edge computing and fog computing. This paper designed a corresponding test bed platform, test results show that the technology can not only provide connectivity of heterogeneous data source and efficient technical support, and to ensure that the distributed industrial equipment real-Time and synchronization of data transmission, but also has the strong edge computing capabilities to cope with the constantly generated data stream, and reducing the pressure of the cloud server storage, computing. © Published under licence by IOP Publishing Ltd.

关键词： Edge computing

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Closed-Loop process control for Sequential Tool-Bound Bending of Hairpin Coils

Closed-Loop Process Control for Sequential Tool-Bound Bendin...

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international Electric Drives Production conference (EDPC)

作者： Felix Wirth Jürgen Fleischer Johannes Gerner Ludwig Hausmann WBK Institute of Production Science Karlsruhe Institute of Technology (KIT) Karlsruhe Germany

Due to the increasing market share of battery and hybrid electric mobility solutions, there is a high demand for robust manufacturing technologies that enable an efficient high-volume production of powerful electric traction motors for automotive industry. Within the context of high-quality distributed stator windings, the hairpin technology has become established in automotive production based on advantages regarding the level of automation and productivity in comparison to conventional winding technologies. However, the state-of-the-art industrial process chain, which is based on a sequence of bending, assembly and joining processes, still shows technological weaknesses in terms of process reliability. Besides conventional manufacturing defects caused by misalignment and vibration, the robustness is mainly limited by fluctuating mechanical and geometric properties of the insulated rectangular copper wire which lead to different springback effects within the forming processes: hairpin bending and twisting. Furthermore, geometric defects of hairpin coils also result in a reduced process reliability of the subsequent process steps due to the initial placement of forming in the characteristic sequence of forming operations. Against this background, closed-loop process control concepts for planar bending operations in the context of sequential tool-bound forming of hairpin coils are introduced and validated within this paper.

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Visual Saliency computing with Color Feature Integration Based on Psychological Experiment

Visual Saliency Computing with Color Feature Integration Bas...

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2021 international conference on Culture-Oriented Science and Technology, ICCST 2021

作者： Wang, Shuang Yao, Man Jiang, Wei Tang, Aixia Communication University of China State Key Laboratory of Media Convergence and Communication China

ISBN: (纸本)9781665442541

This paper introduced a method of visual saliency computing with color feature integration based on the psychological experiment. Firstly, based on the results of the psychological experiment of the saliency features, the color saliency features with the highest selected frequency were extracted. Then, the saliency map of each saliency feature was generated with the combination center 'of-surround' theory from Itti model. Finally, the feature integration mechanism was adopted to combine each saliency feature to integrate the saliency map. The gray value of each pixel in the saliency map reflected the computing value of visual saliency. The results shows that the proposed method is highly sensitive to color and can effectively recognize the saliency objects of the color static images. In addition, when detecting the saliency objects from different types, it has a stable performance with the good generalization. © 2021 IEEE.

关键词： Color

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Finite time stabilization for multi-path cyber physical system with time-varying parameters

Finite time stabilization for multi-path cyber physical syst...

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conference on Vehicle control and Intelligence (CVCI)

作者： Jianying Di Qinglong Zhang Cheng Tan Ge Guo College of Information Science and Engineering Northeastern University Shenyang China School of Engineering Qufu Normal University Rizhao Shandong China The State Key Laboratory of Synthetical Automation for Process Industries Northeastern University Shenyang China

ISBN: (数字)9798331504892

ISBN: (纸本)9798331504908

This paper investigates the finite time stabilization for multi-path cyber physical systems with random denial-of-service (DoS) attacks and time-varying parameters. Unlike previous research, we use auxiliary systems to establish sufficient conditions for finite time stability in closed-loop multi-path CPSs with various delays and parameters, based on a detailed analysis of the state transition matrix. We also present a condition derived from the Lyapunov function and propose an LMI-based method for designing a non-fragile controller. Finally, we apply these theoretical contributions to a stock investment model to demonstrate their validity.

关键词： Sufficient conditions Denial-of-service attack control systems Stability analysis Delays Time-varying systems Lyapunov methods Investment

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Research on Data Encryption in Lightweight Embedded Web Server 10

Research on Data Encryption in Lightweight Embedded Web Serv...

引用

10th international conference on control, automation and Information Sciences, ICCAIS 2021

作者： Li, Pengfei Qu, Junsuo Shi, Haonan Xi'an University of Posts Telecommunications School of Automation Xi'an China Xi'an University of Posts Telecommunications Xi'an Key Laboratory of Advanced Control and Intelligent Process School of Automation Xi'an China Xi'an University of Posts Telecommunications School of Communication and Information Engineering Xi'an China

ISBN: (纸本)9781665440295

From the perspective of reducing the configuration complexity of IoT device parameters and improving data security, a lightweight embedded Web server is designed based on the TencentOS tiny operating system to reduce the hardware requirements of the embedded Web server design. In order to improve the security and transmission reliability of IoT monitoring data, a mechanism for data encryption is proposed. Embedded Elliptic Curve Cryptography (ECC) in Flash inside the chip to ensure the security of key data during transmission. The data monitoring platform receives and decrypts the received data, and stores the data into a database server after processing. The experimental results show that the security of data transmission and reached the expected goals. © 2021 IEEE.

关键词： Internet of things

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Modernizing Home Protection: An IoT-Driven Approach with Smart Lock and Android Application

Modernizing Home Protection: An IoT-Driven Approach with Sma...

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IEEE international conference on control System, computing and Engineering (ICCSCE)

作者： Summaiya Rajput Noureen Talpur Rozan Boudville Ghulam Mustafa E Abro Beenish Talpur Faizan Zahid Department of Telecommunications Engineering Mehran University of Engineering and Technology Jamshoro Pakistan Computer Information Science Department Centre for Research in Data Science (CeRDaS) Universiti Teknologi PETRONAS Seri Iskandar Malaysia Electrical Engineering Studies College of Electrical Engineering Universiti Teknologi MARA Permatang Pauh Pulau Pinang Malaysia Interdisciplinary Research Center for Aviation and Space Exploration King Fahd University of Petroleum and Minerals Dhahran Dammam Kingdom of Saudi Arabia Department of Electrical Electronics and Computer Engineering University of Catania Italy

ISBN: (数字)9798350364507

ISBN: (纸本)9798350364514

In the field of access control locks, conventional methods often require users to download applications with Bluetooth connectivity, and biometric measures such as fingerprints or face recognition that introduce challenges like access to only authorized parties, limited device accessibility and intricate registration processes. To address these challenges, the research paper presents an innovative IoT-based Smart Door Lock System, aiming to redefine access control. Diverging from traditional approaches, this system eliminates the need for application downloads and simplifies the complexities tied to biometrics. The core innovation lies in the simplicity of a user-friendly 4-digit PIN for primary access, prioritizing ease of use. To overcome real-time access constraints, the system introduces One-time Password (OTP) and One Touch Access (OTA) modes. These modes eliminate the intricacies linked with traditional methods, ensuring immediate and hassle-free access for both authorized and unauthorized users.

关键词： Technological innovation Databases Face recognition process control Passwords Fingerprint recognition Extraterrestrial measurements Real-time systems Pins Reliability

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