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SSRN 2025年

作者： Zhou, Min Lin, Yukai Hu, Wei Dai, Chai Tang, Guangfa He, Fei School of Information and Intelligent Engineering Guangzhou xinhua University Dongguan China School of Intelligent Control Hunan Railway Professional Technology College Zhuzhou China College of Electrical and Electrical Engineering Hunan University Changsha China Dept. of Pingdingshan Branch of China Mobile Communication Group Henan co. LTD Henan Pingdingshan China Dept.of Physics Electrical and Intelligent Manufacturing Huaihua University Changsha China College of Computer Science and Software Engineering Shenzhen University Shenzhen China

Manual visual inspection for defect detection in manufacturing can lead to high false positive rates. This paper compares data mining techniques for the binary classification of defects in flat products in a relatively open scenario. The background provides context on research into data mining-based detection. The methodology is divided into five sections: data collection, selection, preprocessing and transformation, classification, and model evaluation. Each section details the techniques applied, tailored to the application context, with specifying examples. Experiments apply real-world data sets self-collected from production lines. Statistics like prediction accuracy are generated by established data mining evaluation algorithms. Results indicate the efficacy of data mining for automated defect detection over manual approaches. Finally, conclusions summarize findings and discuss the limitations of the current research and planned future work to address the drawbacks. Overall, the formalized methodology and supportive experimental results demonstrate both the viability and potential areas of improvement for data mining in manufacturing quality control. © 2025, The Authors. All rights reserved.

关键词： Data accuracy

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Error compensation on precision machine tool servo control system based on digital concave filter

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Journal of Harbin Institute of Technology(New Series) 2001年第4期8卷 389-393页

作者：王立松苏宝库张晶董申 Dept. of Control Theory and Engineering Harbin Institute of Technology Dept. of Computer Science and Engineering Harbin Institute of Technology Dept. of Mechanical Engineering and Automation Harbin Institute of Technology

It is concluded from the results of testing the frequency characteristics of the sub micron precision machine tool servo control system, that the existence of several oscillating modalities is the main factor that affects the performance of the control system. To compensate for this effect,several concave filters are utilized in the system to improve the control accuracy. The feasibility of compensating for several oscillating modalities with a single concave filter is also studied. By applying a modified Butterworth concave filter to the practical system, the maximum stable state output error remains under ±10 nm in the closed loop positioning system.

关键词： precision machine tool concave filter oscillating modality

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Reconfigurable parallel kinematic manipulator for flexible manufacturing

Reconfigurable parallel kinematic manipulator for flexible m...

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作者： Haage, Mathias Dressler, Isolde Robertsson, Anders Nilsson, Klas Brogardh, Torgny Johansson, Rolf Dept. Computer Science LTH Lund University Lund Sweden Dept. Automatic Control LTH Lund University Lund Sweden ABB Robotics SE-72168 Vasteras Sweden

ISBN: (纸本)9783902661432

Flexible manufacturing puts high demands on industrial automation in terms of affordable and competitive solutions and is of key importance for short-lot production typically found in small and medium sized enterprises, situations where today manual labour is extensively used despite e.g., environmental issues and harsh working conditions. Key factors in the successful introduction of new robot automation concepts are that they provide both the desired performance and quality (technical capability), but also that they enable fast deployment and extend available task repertoire. The Gantry-Tau manipulator is a new robot concept which in contrast to other high-performance parallel kinematic manipulators (PKM), has a large, open working range. Its high stiffness makes it ideal for a wide range of tasks such as grinding, deburring, and cutting. An additional aspect of such a PKM is the modularity, which in this work has been studied in terms of possibilities for assembly and mechanical reconfiguration at the end-user site, integration of such a kinematically different robot with a standard industrial controller, and new needs for methods/tools to support simple (re)configuration. A range of software tools and methods were found to be useful and necessary for efficient engineering and integration of the concept in typical SME manufacturing scenarios. For experimental evaluation, two full-scale prototype robots were designed and built, the kinematic software was developed and integrated into a couple of different robot control systems, robot CAD software was adapted to the configuration needs, and both simulations and physical experiments were carried out. Our findings make us believe that enhanced software tools should be integrated on a higher symbolic (or meta-) level to better support transformation of data and code generation, but also that the Gantry-Tau type of robot (with adequate software support) will bring a new dimension of flexibility into SME manufacturing.

关键词： Kinematics

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One-cycle control for the parallel operation of synchronous buck converters

One-cycle control for the parallel operation of synchronous ...

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IEEE International Symposium on Industrial Electronics 2005, ISIE 2005

作者： Berbel, Néstor Guerrero, Josep M. Cruz, Juan Miret, Jaime Castilla, Miguel Dept. Electronics Engineering Universitat Politècnica de Catalunya Spain Dept. Automatic Control and Computer Eng. CEIB Spain

Thispaperpresentsanovelcontrolforamultiphasedc-dcconverter, whichprovidestightoutputvoltageregulation,fasttransientresponse, androbustnessagainstlarge-signaldisturbancesintheinput-voltageandtheload- current. © 20... 详细信息

ISBN: (纸本)0780387384

关键词： Electric converters

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Robust decentralized control for a class of uncertain interconnected systems

Robust decentralized control for a class of uncertain interc...

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Proceedings of the 3th World Congress on Intelligent control and Automation

作者： Xu, Zhao-Di Zhang, Si-Ying Dept. of Mathematics and Computer Shenyang Normal University Shenyang 110031 China Dept. of Automatic Control Northeastern University Shenyang 110006 China

In this paper, the problem of robust decentralized control for a class of uncertain interconnected systems is investigated. The proposed continuous state feedback controllers ensure the global exponential stability of the closed loop system. Finally, an example is presented to illustrate the results given in this paper and simulation shows that the method is very effective.

关键词： Decentralized control

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Fault Detection in IP-based Process control Networks using Data Mining

Fault Detection in IP-based Process Control Networks using D...

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IFIP/IEEE International Symposium on Integrated Network Management (IM 2009)

作者： Park, Byungchul Won, Young J. Yu, Hwanjo Hong, James Won-Ki Noh, Hong-Sun Lee, Jang Jin Dept. of Computer Science and Engineering POSTECH South Korea Electric and Control Maintenance Dept. POSCO South Korea

ISBN: (纸本)9781424434862

Industrial process control IP networks support communications between process control applications and devices. Communication faults in any stage of these control networks can cause delays or even shutdown of the entire manufacturing process. The current process of detecting and diagnosing communication faults is mostly manual, cumbersome, and inefficient. Detecting early symptoms of potential problems is very important but automated solutions do not yet exist. Our research goal is to automate the process of detecting and diagnosing the communication faults as well as to prevent problems by detecting early symptoms of potential problems. To achieve our goal, we have first investigated real-world fault cases and summarized control network failures. We have also defined network metrics and their alarm conditions to detect early symptoms for communication failures between process control servers and devices. In particular, we leverage data mining techniques to train the system to learn the rules of network faults in control networks and our testing results show that these rules are very effective. In our earlier work, we presented a design of a process control network monitoring and fault diagnosis system. In this paper, we focus on how the fault detection part of this system can be improved using data mining techniques.

关键词： Process control network network management fault detection fault diagnosis machine learning data mining

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Modelling and verification of hybrid systems: A case study 4

Modelling and verification of hybrid systems: A case study

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4th Annual Conference on AI, Simulation, and Planning in High Autonomy Systems, AIS 1993

作者： Nadjm-Tehrani, S. Stromberg, J.-E. Dept. of Computer and Information Science Linkoping University LinkopingS-58183 Sweden Div. of Automatic Control Dept. of Electrical Engineering Linkoping University LinkopingS-58183 Sweden

ISBN: (纸本)0818640200

The problem of correctness and timing of reactions of an agent in interaction with a physical environment is addressed. To this end, a method based on composition of separate models of the software and the environment is used. To use available methods within the field of software verification, discrete representations of the continuous components are described systematically. A nontrivial case study within the domain of road traffic is used to illustrate the derivation of discrete models without losing information relevant to the verification task. The different modeling stages involved are shown first within an untimed formalism, and then in a formalism incorporating quantitative time. © 1993 IEEE.

关键词： Hybrid systems

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A novel control algorithm based on immune feedback principle

A novel control algorithm based on immune feedback principle

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Proceedings of 2002 International Conference on Machine Learning and Cybernetics

作者： Qi, Zhen-Qiang Hu, Guang-Da Yang, Zhao-Hua Zhang, Fu-En Dept. of Control Science and Eng. Harbin Institute of Technology Harbin China Dept. Automatic Msrmt. and Control Harbin Institute of Technology Harbin China

ISBN: (纸本)0780375084

Based on analyzing the feedback principle of nature immune system, the immune process is imitated from the viewpoint of molecular dynamics and the nonlinear model of immune system is founded. Furthermore, a novel control algorithm based on immune feedback principle (IFCA) is designed. According to the result of simulation, the algorithm can respond rapidly and stabilize quickly, which is just like the nature immune system. And the performance of immune feedback controller is superior to that of ordinary controller.

关键词： Feedback control

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Pinching Antennas: Principles, Applications and Challenges

arXiv

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arXiv 2025年

作者： Yang, Zheng Wang, Ning Sun, Yanshi Ding, Zhiguo Schober, Robert Karagiannidis, George K. Wong, Vincent W.S. Dobre, Octavia A. Fujian Provincial Engineering Technology Research Center of Photoelectric Sensing Application Fujian Normal University Fuzhou350117 China School of Information and Control Engineering China University of Mining and Technology Xuzhou221116 China School of Computer Science and Information Engineering Hefei University of Technology Hefei230009 China Khalifa University Abu Dhabi United Arab Emirates University of Manchester ManchesterM1 9BB United Kingdom Germany Group Electrical & Computer Engineering Dept. Aristotle University of Thessaloniki Thessaloniki54 124 Greece Department of Electrical and Computer Engineering The University of British Columbia Vancouver Canada Department of Electrical and Computer Engineering Memorial University St. John’sNL Canada

Flexible-antenna systems, such as fluid antennas and movable antennas, have been recognized as key enabling technologies for sixth-generation (6G) wireless networks, as they can intelligently reconfigure the effective channel gains of the users and hence significantly improve their data transmission capabilities. However, existing flexible-antenna systems have been designed to combat small-scale fading in non-line-of-sight (NLoS) conditions. As a result, they lack the ability to establish line-of-sight links, which are typically 100 times stronger than NLoS links. In addition, existing flexible-antenna systems have limited flexibility, where adding/removing an antenna is not straightforward. This article introduces an innovative flexible-antenna system called pinching antennas, which are realized by applying small dielectric particles to waveguides. We first describe the basics of pinching-antenna systems and their ability to provide strong LoS links by deploying pinching antennas close to the users as well as their capability to scale up/down the antenna system. We then focus on communication scenarios with different numbers of waveguides and pinching antennas, where innovative approaches to implement multiple-input multiple-output and non-orthogonal multiple access are discussed. In addition, promising 6G-related applications of pinching antennas, including integrated sensing and communication and next-generation multiple access, are presented. Finally, important directions for future research, such as waveguide deployment and channel estimation, are highlighted. Copyright © 2025, The Authors. All rights reserved.

关键词： Channel estimation

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A comparative study of digital IMC and RST regulators applied on a wind turbine

UPB Scientific Bulletin, Series C: Electrical Engineering

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UPB Scientific Bulletin, Series C: Electrical Engineering 2012年第4期74卷 27-38页

作者： Pintea, Andreea Popescu, Dumitru Dept. of Automatic Control and Computer Science Politehnica University Bucharest Romania

This paper presents a comparative study of two well known regulation algorithms designed for a horizontal variable wind speed turbine functioning in the above rated wind speed regime. Typical control in this working regime uses pitch regulation to maintain constant the turbine's rotor speed while the generator toque is held constant. This will be also the approach chosen for this study. The goal of the paper is to demonstrate the efficiency of the two algorithms in controlling the electrical output power by means of applying them on a simplified model of a wind turbine. The obtained results will be analyzed and presented through a few simulations. Copyright © 2009 Universitatea Politehnica Bucuresti.

关键词： Wind turbines

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