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Generalized-Extended-State-Observer and Equivalent-Input-Disturbance Methods for Active Disturbance Rejection: Deep Observation and Comparison

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IEEE/CAA Journal of Automatica Sinica 2023年第4期10卷 957-968页

作者： Jinhua She Kou Miyamoto Qing-Long Han Min Wu Hiroshi Hashimoto Qing-Guo Wang School of Engineering Tokyo University of TechnologyHachiojiTokyo 192-0982Japan K.Miyamoto is with the Institute of Technology Shimizu CorporationKotoTokyo 135-0044Japan School of Science Computing and Engineering TechnologiesSwinburne University of TechnologyMelbourneVIC 3122Australia School of Automation China University of GeosciencesWuhan 430074 Hubei Key Laboratory of Advanced Control and Intelligent Automation for Complex Systems Engineering Research Center of Intelligent Technology for Geo-Exploration Ministry of EducationWuhan 430074China School of Industrial Technology Advanced Institute of Industrial TechnologyTokyo 140-0011Japan Institute of Artificial Intelligence and Future Networks Beijing Normal UniversityZhuhai 519087 Guangdong Key Lab of AI and Multi-Modal Data Processing Guangdong Provincial Key Laboratory of Interdisciplinary Research and Application for Data Science BNUHKBU United International College Zhuhai 519087China

Active disturbance-rejection methods are effective in estimating and rejecting disturbances in both transient and steady-state *** paper presents a deep observation on and a comparison between two of those methods:the generalized extended-state observer(GESO)and the equivalent input disturbance(EID)from assumptions,system configurations,stability conditions,system design,disturbance-rejection performance,and extensibility.A time-domain index is introduced to assess the disturbance-rejection performance.A detailed observation of disturbance-suppression mechanisms reveals the superiority of the EID approach over the GESO method.A comparison between these two methods shows that assumptions on disturbances are more practical and the adjustment of disturbance-rejection performance is easier for the EID approach than for the GESO method.

关键词： Active disturbance-rejection control(ADRC) disturbance observer(DOB) equivalent input disturbance(EID) extendedstate observer(ESO) generalized extended-state observer(GESO)

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Scientific Research Transformation Needed for Comprehensive Artificial Intelligence Implementation

Scientific Research Transformation Needed for Comprehensive ...

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International Conference on Management of Large-Scale System Development (MLSD)

作者： Viktor Medennikov Larisa Bogatyreva Information and Computing Systems Department Federal Research Center “Computer Science and Control” of the Russian Academy of Sciences Moscow Russia Laboratory of modular data processing and control systems V.A. Trapeznikov Institute of Control Sciences of the Russian Academy of Sciences Moscow Russia

ISBN: (数字)9798350375718

ISBN: (纸本)9798350375725

The paper deals with complementary changes in scientific research and real economy (exemplified by the farming industry) taking place when using the holistic approach to the industry”s digital transformation resulting in the appearance of precise agrarian technologies that require a comprehensive., system-based combination of research and production resources that are able to ensure increased productivity in the industry. We demonstrate that among these new technologies, the artificial intelligence methods have a special significance. They have to, however, go through integration transformations to become standards for the proposed common digital farming management platform.

关键词： Productivity Digital transformation Large-scale systems Artificial intelligence Standards Farming

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A Novel Semantic-Web Based Technology for control Logic Rapid Reconfiguration of CPPS 7

A Novel Semantic-Web Based Technology for Control Logic Rapi...

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7th International Conference on Intelligent Computing and Signal Processing, ICSP 2022

作者： Wang, Peng Wang, Zhongfeng Wang, Chu Hu, Kunyuan Li, Ligang Song, Chunhe Key Laboratory of Networked Control Systems Chinese Academy of Sciences Shenyang China Shenyang Institute of Automation Chinese Academy of Sciences Shenyang China Institutes for Robotics and Intelligent Manufacturing Chinese Academy of Sciences Shenyang China

ISBN: (纸本)9781665478571

Aiming at solving the problem that the traditional production control system cannot support rapid logical reconfiguration of CPPS, a semantic-web based technology consisting of an overall research framework and three key methods are proposed. Within this overall research framework, product process can be first matched against production resource capabilities, then transformed into the production process of production system, and finally into the control logic of production control system. All the transformations can be done automatically by the help of the proposed semantic-web based methods, namely unified ontology model and related reasoning methods, so that when product process changes, control logic of production can be adjusted efficiently, which enables rapid logical reconfiguration of CPPS. In this paper, the overall framework is first introduced with emphasis on background and technical characteristics of CPPS, analysis of research gaps and overall methods. Then, the three key methods are introduced in detail, namely the unified ontological modelling method of product-process-resources, and the rule-based reasoning methods to automatically transform the production process and control logic, are described in detail. Furthermore, concerning the shortcoming of existing Product-Process-Resource ontological modeling, the description of production system's control behavior is extended within the resource domain, so that key information related to PLC programming such as action sequence and control variable can be integrated and leveraged during the transformation of control logic. Finally, a reconfigurable CPPS prototype is developed based on the proposed framework, and the advantages of the methods are tested and verified. © 2022 IEEE.

关键词： Production control

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Design of a Highly Reliable Redundant Network Card Supporting the IEEE1588 Protocol 5

Design of a Highly Reliable Redundant Network Card Supportin...

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5th IEEE International Conference on Electronics Technology, ICET 2022

作者： Zhang, Bo Yan, Bingjun Liu, Mingzhe Xu, Aidong Wang, Kai Wang, Zhiping Key Laboratory of Networked Control Systems Chinese Academy of Sciences Shenyang China Shenyang Institute of Automation Chinese Academy of Sciences Shenyang China Institutes for Robotics and Intelligent Manufacturing Chinese Academy of Sciences Shenyang China

ISBN: (纸本)9781665485081

To adapt to the digital and intelligent trend of ship management and meet the requirements of shipborne industrial Ethernet with high reliability and strong real-time performance, this paper develops a shipboard redundant network card with a Zynq7000 series SoC chip as the main controller, and designs the IEEE1588 IP core and PRP IP core on the FPGA side of SoC. The design of the IEEE1588 IPCore can avoid the impact of the jitter of the upper layer protocol stack on the time stamp accuracy;the PRP IPCore implements dual-network redundancy on the FPGA side, reducing the software overhead of the Ethernet protocol stack on the ARM side, and lowers the impact of network switching on synchronization accuracy. Through testing, the point-to-point synchronization accuracy of the network card is better than 50 ns, and the dual-network redundancy switch can be quickly completed when the network is disconnected. The design of the network card greatly improves the consistency and accuracy of the internal time of the ship system, and meets the requirements for high reliability, fast fault switching and recovery. © 2022 IEEE.

关键词： System-on-chip

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A Parkinson's Bradykinesia Recognition System Based on Deep Learning Method 12

A Parkinson's Bradykinesia Recognition System Based on Deep ...

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12th International Conference on CYBER Technology in automation, control, and Intelligent systems, CYBER 2022

作者： Tong, Lina Liu, Daisong Zhang, Mingjia Peng, Liang Department of State Key Laboratory of Management and Control for Complex Systems Institute of Automation China Academy of Science Beijing China School of Mechanical Electronic and Information Engineering Chinese University of Mining and Technology-Beijing Beijing China

ISBN: (数字)9781665472678

ISBN: (纸本)9781665472678

Parkinson's disease is a neurodegenerative disease common in middle-aged and elderly people, and bradykinesia is one of the most obvious symptoms. In this study, A deep learning-based Parkinson's bradykinesia recognition system is designed which has an inertial sensor-based data acquisition system. It can wirelessly collect bradykinesia kinematic information by wearing it on the wrist and ankle of Parkinson's patients. In addition, a method for identifying the symptom of Parkinson's bradykinesia based on Long Short Term Memory (LSTM) Network is proposed, with an accuracy of 98.6%. It provides a feasible method to identify Parkinson bradykinesia to assist the diagnosis and treatment. © 2022 IEEE.

关键词： Neurodegenerative diseases

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A New Method for Automatic Planning of Cyber-Physical Production System's control Logic based on State Space Method and Semantic Web Technology 7

A New Method for Automatic Planning of Cyber-Physical Produc...

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7th International Conference on Intelligent Computing and Signal Processing, ICSP 2022

作者： Wang, Peng Wang, Zhongfeng Li, Ligang Wang, Chu Hu, Kunyuan Key Laboratory of Networked Control Systems Chinese Academy of Sciences Shenyang China Shenyang Institute of Automation Chinese Academy of Sciences Shenyang China Institutes for Robotics and Intelligent Manufacturing Chinese Academy of Sciences Shenyang China

ISBN: (纸本)9781665478571

Rapid reconfiguration is an important capability of flexible production system supporting personalized customization. When the product requirement change and the existing capacity configuration of the production system cannot meet the new requirement, the production system needs to be reconfigured. Aiming at automating the control logic planning process, this paper propose a new method based on state space and semantic web. Unified modelling concepts and relations between product, equipment and production system are built in an ontological model and different types of semantic queries are defined to process the ontology instance which will be leveraged by the process to construct the state space model. In addition, an linear programming method is used to drive the final control logic inside the generated space model. © 2022 IEEE.

关键词： State space methods

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Simulation and Analysis of Dynamic Stiffness of Electro-hydrostatic Actuators 9

Simulation and Analysis of Dynamic Stiffness of Electro-hydr...

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9th International Conference on Fluid Power and Mechatronics, FPM 2023

作者： Jiang, Chaofan Shang, Yaoxing Yu, Tian Li, Mingyang Wu, Shuai Liu, Zhicheng School of Automation Science and Electrical Engineering Beihang University Beijing China State Key Laboratory of Fluid Power and Mechatronic Systems Zhejiang University Hangzhou China Ningbo Institute of Technology Beihang University Ningbo China Tianmushan Laboratory Xixi Octagon City Yuhang District Hangzhou China Science and Technology on Aircraft Control Laboratory Beihang University Beijing China Research Institute for Frontier Science Beihang University Beijing China

ISBN: (纸本)9798350304947

With the development of multi-electrochemical aircraft, the application of electro-hydrostatic actuators(EHA) in aircraft actuator system is increasing. The dynamic stiffness of the actuator has a non-negligible effect on the fluttering characteristics of the rudder surface. So it is necessary to study the dynamic stiffness of EHA. In this research, a method for calculating the dynamic stiffness of EHA is proposed. The mathematical model of EHA is established. The bulk modulus of hydraulic oil affected by gas content and pressure is added to the model. Build the simulation model in Simulink. The dynamic stiffness of EHA is simulated in frequency domain. Analyze the simulation results. The EHA dynamic stiffness decreases with the increase of hydraulic oil gas content in the whole frequency range. The trough frequency of dynamic stiffness amplitude decreases with the increase of hydraulic oil gas content. The EHA dynamic stiffness decreases with the increase of pump leakage coefficient in low frequency band. Therefore, in order to improve the dynamic stiffness of EHA, the hydraulic oil gas content and the piston pump leakage coefficient should be reduced. © 2023 IEEE.

关键词： Elastic moduli

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A Novel Cyber-physical production systems (CPPS) Architecture for Rapid Reconfiguration 7

A Novel Cyber-physical production systems (CPPS) Architectur...

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7th International Symposium on Advances in Electrical, Electronics, and computer Engineering

ISBN: (纸本)9781510656437

Cyber-physical production systems (CPPS) is of great importance for improving production efficiency. In this paper, first, the background and technical characteristics of CPPS are introduced. Aiming at dealing with the challenge of integration in traditional production management and control systems, a CPPS architecture that supports rapid reconfiguration is proposed. The architecture is based on service-oriented architecture, so it has the characteristics of peer-to-peer interaction and flexible integration. In this way, engineering data integration, business logic transformation and engineering process support can be achieved. Based on the proposed architecture, a reconfigurable CPPS prototype is developed, and the advantages of the architecture are tested and verified. © 2022 SPIE. All rights reserved.

关键词： Production efficiency

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Data-Driven Learning and control with Event-Triggered Measurements

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IEEE Transactions on Automatic control 2025年

作者： Feng, Shilun Shi, Dawei Chen, Tongwen Shi, Ling Beijing Institute of Technology State Key Laboratory of Intelligent Control and Decision of Complex Systems MIIT Key Laboratory of Servo Motion System Drive and Control School of Automation Beijing100081 China University of Alberta Department of Electrical and Computer Engineering EdmontonABT6G 1H9 Canada Hong Kong University of Science and Technology Department of Electronic and Computer Engineering Clear Water Bay Kowloon Hong Kong

Event-triggered control has attracted considerable attention for its effectiveness in resource-restricted applications. To make event-triggered control as an end-to-end solution, a key issue is how to effectively learn unknown system dynamics from event-triggered measurements and consequently, develop a learning-based event-triggered controller. Existing works learn system dynamics based on periodic time-triggered measurements, and it is yet to know how to learn a controller with performance guarantee based on event-triggered measurements. To address this issue, we consider the problem of learning an event-triggered state feedback controller for an unknown linear system based on event-triggered state measurements in this work. In particular, we first analyze the event-triggered measurements within a set-membership framework. We prove that the estimation error belongs to a bounded ellipsoid determined by the historical measurements and the event-triggering condition. Subsequently, we demonstrate that all admissible systems compatible with the collected data samples can be explicitly represented in the form of quadratic matrix inequalities using the state estimates. With the acquired set of admissible systems, a co-design problem for the data-driven controller and event-triggering condition is solved using the linear matrix inequality technique, with guaranteed closed-loop stability and L2-gain performance. Finally, numerical examples and comparisons are provided to illustrate the effectiveness of the proposed event-triggered learning and control approach. © 1963-2012 IEEE.

关键词： Networked control systems

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Economic Research on User-Side Photovoltaic Energy Storage System Considering Shared Energy Storage 5

Economic Research on User-Side Photovoltaic Energy Storage S...

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5th International Conference on Power and Energy Technology, ICPET 2023

作者： Chen, Kaiwen Wang, Qingyi Kang, Kai Wang, Hao School of Automation China University of Geosciences Wuhan China Hubei Key Laboratory of Advanced Control and Intelligent Automation for Complex Systems Wuhan China Engineering Research Center of Intelligent Technology for Geo-Exploration Ministry of Education Wuhan China PowerChina Hubei Electric Engineering Co. Ltd Wuhan China Wuhan Second Ship Design and Research Institute Wuhan China

ISBN: (纸本)9798350339673

Based on the background of photovoltaic development in the whole county and the demand for energy storage on the user-side, this paper establishes an economic evaluation model of user-side photovoltaic energy storage system considering shared energy storage. Firstly, three schemes of no energy storage, independent energy storage and shared energy storage are proposed, and the influence of photovoltaic energy storage system loss on annual power generation is considered. Secondly, based on the whole life cycle theory, the cost and benefit model of the user-side photovoltaic energy storage system is established, and the unit electricity cost of the user is used as the evaluation index. Finally, the relevant data of user in Hubei area are analyzed as an example to verify the effectiveness of the model and provide reference for the investment of related projects. © 2023 IEEE.

关键词： photovoltaic energy storage system shared energy storage the unit electricity cost of the user user-side

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