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Chinese automation Congress (CAC)

作者： Mingxuan Cai Qi Liu Yuxiang Liu Bo Yang Department of Automation Shanghai Jiao Tong University shanghai China Key Laboratory of System Control and Information Processing Shanghai Engineering Research Center of Intelligent Control and Management Ministry of Education of China Shanghai China

ISBN: (数字)9798350368604

ISBN: (纸本)9798350368611

Accurate fault diagnosis plays a key role in the safe and efficient operation of electrical motors. Aiming at multiclass motor fault diagnosis under complex working conditions, a signal fusion-based fault diagnosis framework is proposed. Measurement parameters from different sensors are first transformed by wavelet denoising and fast Fourier transform (FFT). Then, multiple parameters spectrum and working condition information are integrated and converted into high-dimension matrices. Finally, a channel-attention-based convolution neural network (CA-CNN) is proposed to extract fault patterns from a reconstructed matrix and output diagnosis results. Experiment results on both simulated and experimental datasets verify the effectiveness of the proposed method.

关键词： Fault diagnosis Employee welfare Wavelet transforms Accuracy Fast Fourier transforms Motors Sensors Numerical models Velocity measurement Matrix converters

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An Integrated Smart Manufacturing Platform Powered by Microservices

An Integrated Smart Manufacturing Platform Powered by Micros...

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Asian control Conference

作者： Yuxiang Liu Mengqi Han Annan Xu Qi Liu Bo Yang Department of Automation Shanghai Jiao Tong University Shanghai China Key Laboratory of System Control and Information Processing Ministry of Education of China Shanghai Engineering Research Center of Intelligent Control and Management Shanghai China

ISBN: (数字)9789887581598

ISBN: (纸本)9798331540845

With the rapid development of the manufacturing industry, traditional control systems can no longer meet the requirements of flexibility, efficiency, and intelligence for smart manufacturing. In order to fully utilize technologies such as microservices and enhance the flexibility of smart manufacturing, we propose a microservice-based architecture integrating sensing, communication, computation, and control, dedicated to achieving integrated management and configuration of the production process. In this architecture, each production stage is designed as an independent microservice, capable of being flexibly deployed in various edge controllers. Therefore, a universal edge controller can simultaneously act as a PLC, router, data acquisition device, and edge server, greatly simplifying the complexity of equipment deployment. The microservice-based integrated architecture not only improves the efficiency of data routing but also helps simplify the integration of new sensors and actuators, making adjustments of production lines more convenient, thereby enhancing the scalability and flexibility of the system. We implemented the proposed architecture based on a validation scenario, and the experimental results demonstrate the enormous development potential of this architecture.

关键词： Scalability Microservice architectures Restful API Computer architecture Production Routing Sensor systems

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LHMap-loc: Cross-Modal Monocular Localization Using LiDAR Point Cloud Heat Map

LHMap-loc: Cross-Modal Monocular Localization Using LiDAR Po...

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IEEE International Conference on Robotics and automation (ICRA)

作者： Xinrui Wu Jianbo Xu Puyuan Hu Guangming Wang Hesheng Wang Department of Automation Key Laboratory of System Control and Information Processing of Ministry of Education Key Laboratory of Marine Intelligent Equipment and System of Ministry of Education Shanghai Engineering Research Center of Intelligent Control and Management Shanghai Jiao Tong University Shanghai China Department of Engineering University of Cambridge Cambridge U.K

ISBN: (数字)9798350384574

ISBN: (纸本)9798350384581

Localization using a monocular camera in the pre-built LiDAR point cloud map has drawn increasing attention in the field of autonomous driving and mobile robotics. However, there are still many challenges (e.g. difficulties of map storage, poor localization robustness in large scenes) in accurately and efficiently implementing cross-modal localization. To solve these problems, a novel pipeline termed LHMap-loc is proposed, which achieves accurate and efficient monocular localization in LiDAR maps. Firstly, feature encoding is carried out on the original LiDAR point cloud map by generating offline heat point clouds, by which the size of the original LiDAR map is compressed. Then, an end-to-end online pose regression network is designed based on optical flow estimation and spatial attention to achieve real-time monocular visual localization in a pre-built map. In addition, a series of experiments have been conducted to prove the effectiveness of the proposed method. Our code is available at: https://***/IRMVLab/LHMap-loc.

关键词： Location awareness Point cloud compression Visualization Laser radar Accuracy Robot vision systems Real-time systems

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Design and Implementation of an Image Processing-Based Ping Pong Training Robot

Design and Implementation of an Image Processing-Based Ping ...

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Innovations in Intelligent systems and Applications Conference

作者： Mert Aydın Sezercan Bektaş Ahmet Ajam Ahmet Kağızman Volkan Sezer Department of Mechatronics Engineering Istanbul Technical University Istanbul Turkey Department of Institute of Science Smart and Autonomous System Laboratory (SASlab) Istanbul Technical University Istanbul Turkey Department of Control and Automation Engineering Smart and Autonomous System Laboratory (SASlab) Istanbul Technical University Istanbul Turkey

ISBN: (数字)9798350379433

ISBN: (纸本)9798350379440

This study aims to develop an image-processing-based ping-pong training robot to facilitate effective practice for ping-pong players. In the developed system, the image of the ping-pong player is processed from the camera integrated into the robot, the player's position is determined and the ball is directed to areas that are difficult for the player to reach. The reason for launching the ball into difficult areas is to improve the players' physical and strategic abilities. In the process of throwing the ball, the ball is placed in the hopper, driven from the hopper to the launch point with the help of a servo motor, and launched with the help of two DC motors. Experimental results confirm that the robot accurately detects the player's position and successfully directs the ball to the intended target area. Furthermore, the findings demonstrate that this system, which integrates image processing and robotic control technologies, provides a robust and adaptable training tool for ping-pong players.

关键词： Training Technological innovation Image processing Robot vision systems Process control DC motors Cameras Servomotors Intelligent systems Robots

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Design. Implementation, and control of a Novel Automated Manual Transmission (AMT) system for Manual Transmission Bicycles

Design. Implementation, and Control of a Novel Automated Man...

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Innovations in Intelligent systems and Applications Conference

作者： Fehmi Can Ay Bengisu Kılınç Talha Enes Ercan Ahmet Kağızman Volkan Sezer Department of Mechatronics Engineering Istanbul Technical University Istanbul Turkey Department of Institute of Science Smart and Autonomous System Laboratory (SASlab) Istanbul Technical University Istanbul Turkey Department of Control and Automation Engineering Smart and Autonomous System Laboratory (SASlab) Istanbul Technical University Istanbul Turkey

ISBN: (数字)9798350379433

ISBN: (纸本)9798350379440

In recent years, the bicycle industry has undergone continuous transformation through the introduction of novel technologies and innovations. Automated Manual Transmission (AMT) system, which is widely used in motor vehicles and defined as automating the traditional manual gearbox through electronic components and actuators, has an important place in the automotive industry due to its advantages such as fuel efficiency, low cost, and driver comfort. However, a similar system is not yet available on bicycles. This article describes developing a new gear-shifting system that enables the manual gear-shifting mechanism in bicycles to be automated with an intelligence-based system. The developed system automatically performs the most appropriate gear change by processing the data received from the sensors, such as inclination, wheel, and pedal cadence, thus providing a more efficient and comfortable driving experience that does not require effort. The system has been tested by integrating it into a bicycle with manual transmission and it has been confirmed that automatic gear shifts were successful.

关键词： Industries Technological innovation Gears Wheels Manuals Bicycles Sensor systems Intelligent systems Intelligent sensors Vehicles

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A system for Pressure controlling the Common Steam Line of CHP 4

A System for Pressure Controlling the Common Steam Line of C...

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4th International Conference on control systems, Mathematical Modeling, automation and Energy Efficiency, SUMMA 2022

作者： Eremin, Eugenie L. Nikiforova, Larisa V. Telichenko, Denis A. Shelenok, Evgeniy A. Amur State University Information and Control Systems Department Blagoveshchensk Russia Corporation Dgk Blagoveshchensk Cogeneration Station Amur Generation Branch of Public Blagoveshchensk Russia Pacific National University Automation and System Engineering Department Khabarovsk Russia

ISBN: (数字)9781665456593

ISBN: (纸本)9781665456593

The paper solves the problem of building a control system for steam pressure at a Combined Heat and Power Plant (CHP). Functioning of the regulator in terms of practical implementation is analyzed. The main features of the technological process which affect the effective management of the automation object are identified. It is considered complex coal-fired CHP plants with common steam line and drum boiler in a combined cycle of generating electricity and heat which provides a common primary frequency control in the power system. Authors was obtained the mathematical model of the plant for one of the boiler units of the Blagoveshchensk CHP. Data processing was carried out by authors with the help of the method of passive experiment. Analysis of the system operation was shown that the control plant can be described with a sufficient degree of accuracy by a parametrically undefined model with changing structure and delay. Various Matlab simulation sessions demonstrate the good quality of the proposed solutions when changing both the parameters and structure of the system. © 2022 IEEE.

关键词： Steam piping systems

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Fixed-time extended state observer-based trajectory tracking control for autonomous underwater vehicles

Fixed-time extended state observer-based trajectory tracking...

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作者： Zheng, Jiaqi Song, Lei Liu, Lingya Yu, Wenbin Zhu, Shanying Wang, Yiyin Chen, Cailian Department of Automation Shanghai Jiao Tong University Shanghai China Key Laboratory of System Control and Information Processing Ministry of Education of China Shanghai China Shanghai Engineering Research Center of Intelligent Control and Management Shanghai Jiao Tong University Shanghai China

In this paper, we investigate the trajectory tracking control problem for autonomous underwater vehicles (AUVs) with time-varying external disturbances of currents and waves in the sea. To solve the problem, a fixed-time extended state observer (FTESO)-based tracking controller is proposed. Firstly, by using the extended state observer, the FTESO is proposed for estimating the external disturbances and the velocities of the AUV within the fixed convergence time. Based on the FTESO, the fixed-time controller is proposed for reducing the tracking errors and improving robustness performance. Theoretical analysis is given, which shows that the unknown external disturbances can be compensated and tracking error can converge to zero within the fixed time. Simulation results show that the proposed FTESO controller not only guarantees the fixed-time convergence but also reduces the trajectory tracking errors of the AUV. © 2021 Chinese Automatic control Society and John Wiley & Sons Australia, Ltd.

关键词： Autonomous underwater vehicles

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Research on geomembrane leakage detection method based on quadruped robot

Research on geomembrane leakage detection method based on qu...

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2024 China automation Congress, CAC 2024

作者： Zhang, Pengcheng Hu, Ningning Wang, Xiao Xi, Qingbiao Zhao, Haohao Wu, Xingchen Qin, Linfeng Yuan, Dongli Investigation & Testing Research Institute Shanghai Investigation Design & Research Institute Co. Ltd. Shanghai China System Department 2 Xi'an ASN Technology Group Co. Ltd Xi'an China School of Electronic and Control Engineering Chang'an University Xi'an China School of Automation Northwestern Polytechnical University Xi'an China

ISBN: (纸本)9798350368604

Aiming at the problem of leakage detection of seepage control geomembranes in landfills, a fully autonomous dipole method detection system based on a quadruped robot equipped with a dipole sensor is designed. The feasibility and superiority of using a quadruped robot are analyzed on the basis of the detection principle of the dipole method. Due to the problems existing in the process of upgrading the artificial static detection to autonomous dynamic detection, a dynamic detection method based on a quadruped robot is designed while the structure construction of the dipole method on the quadruped robot is completed. The experimental results show that the efficiency of geomembrane leakage detection can be improved with detection system method employed in this paper. © 2024 IEEE.

关键词： Geomembranes

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Vulnerability of EV Charging Stations to Cyber Attacks Manipulating Prices

Vulnerability of EV Charging Stations to Cyber Attacks Manip...

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Future Energy Solutions (FES), International Conference on

作者： Amirhossein Akbarian Mahdi Bahrami Mehdi Vakilian Matti Lehtonen Electrical Engineering Department Center of Excellence in Power System Management and Control Sharif University of Technology Tehran Iran Department of Electrical Engineering and Automation Aalto University Espoo Finland

Electric vehicles (EVs) have experienced an unprecedented increase in their penetration; in well developed countries; due to the advancement of battery technology and the need to make transportation more environmentally friendly. As a result of this trend, EVs have become an integral part of those countries power grid ecosystem, where they may be used as both a source, and a consumer of energy. However, cybersecurity risks associated with large fleets of EVs within the power grids can significantly impact the normal operation of distribution systems. This paper considers the cyber-attack consequences, from attackers’ perspective. The cyber attackers under study target the charging price (CP) by increasing the CP in off-peak hours and accordingly subsiding it in on-peak hours. A two-stage optimization framework is proposed to identify the most important ultra-fast charging stations (XFCs) under the cyber-attack, meanwhile, the EV users’ response to the compromised CP is considered. Then, the proposed model is implemented on a modified IEEE 123-bus distribution test system, and the effectiveness of the model is proved through some case studies. In particular, they demonstrated that the amount of load shedding is increased by 8.198 MW when the EV user response is taken into account.

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On the Equilibrium of a Class of Leader-Follower Games with Decision-Dependent Chance Constraints

arXiv

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arXiv 2024年

作者： Wang, Jingxiang Wang, Zhaojian Yang, Bo Liu, Feng Guan, Xinping The Key Laboratory of System Control and Information Processing Ministry of Education of China The Department of Automation Shanghai Jiao Tong University Shanghai China The State Key Laboratory of Power System The Department of Electrical Engineering Tsinghua University Beijing100084 China

In this paper, we study the existence of equilibrium in a single-leader-multiple-follower game with decision-dependent chance constraints (DDCCs), where decision-dependent uncertainties (DDUs) exist in the constraints of followers. DDUs refer to the uncertainties impacted by the leader’s strategy, while the leader cannot capture their exact probability distributions. To address such problems, we first use decision-dependent ambiguity sets under moment information and Cantelli’s inequality to transform DDCCs into second-order cone constraints. This simplifies the game model by eliminating the probability distributions. We further prove that there exists at least one equilibrium point for this game by applying Kakutani’s fixed-point theorem. Finally, a numerical example is provided to show the impact of DDUs on the equilibrium of such game models. Copyright © 2024, The Authors. All rights reserved.

关键词： Game theory

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