ISA transactions最新文献_第3页

Stability of connected vehicle systems over analog fading networks

IF 6.3 2区计算机科学

ISA transactions Pub Date : 2025-04-01 DOI: 10.1016/j.isatra.2025.01.050

Zhiping Shen , Yonggui Liu , Zeming Li , Yilin Wu

{"title":"Stability of connected vehicle systems over analog fading networks","authors":"Zhiping Shen , Yonggui Liu , Zeming Li , Yilin Wu","doi":"10.1016/j.isatra.2025.01.050","DOIUrl":"10.1016/j.isatra.2025.01.050","url":null,"abstract":"<div><div>The influence of inter-vehicular communication on platoon control performance is studied by modeling the communication channel as an analog fading channel. First, the conditions for achieving platoon mean square stability (MSS) are derived for three cases: undirected information flow (UIF) topology with identical fading channels, balanced directed information flow (BDIF) topology with identical fading channels, and general information flow topology with non-identical fading channels. Second, in order to mitigate the impact of fading channels on platoon MSS, some feasible controllers are proposed for each one of the three cases by solving the corresponding modified Riccati inequalities (MRIs). Finally, simulations are conducted to compare three different fading channels (Nakagami channel, Rician channel and Rayleigh channel), and the results verify the superiority and effectiveness of the provided control methods in ensuring the platoon MSS. Both theoretical analysis and simulation results demonstrate that the influence of fading channels on platoon MSS is determined by the statistics of fading channels, and the designed controllers can suppress the impact of fading channels on the stability of vehicle platoon.</div></div>","PeriodicalId":14660,"journal":{"name":"ISA transactions","volume":"159 ","pages":"Pages 138-151"},"PeriodicalIF":6.3,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143451221","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Adaptive general type-2 fuzzy model-based control for nonlinear networked systems with packet dropouts 针对具有丢包现象的非线性网络系统的基于模型的自适应一般 2 型模糊控制。

IF 6.3 2区计算机科学

ISA transactions Pub Date : 2025-04-01 DOI: 10.1016/j.isatra.2025.02.009

Tarek R. Khalifa , Xian Yu , Xiaopin Zhong , Zongze Wu

{"title":"Adaptive general type-2 fuzzy model-based control for nonlinear networked systems with packet dropouts","authors":"Tarek R. Khalifa , Xian Yu , Xiaopin Zhong , Zongze Wu","doi":"10.1016/j.isatra.2025.02.009","DOIUrl":"10.1016/j.isatra.2025.02.009","url":null,"abstract":"<div><div>In this paper, a novel adaptive general type-2 fuzzy model-based control (AGT2-FMBC) is proposed for networked control systems (NCSs) with packet dropouts. A general type-2 fuzzy model (GT2FM) is designed to represent the nonlinear system with uncertainties online, wherein the antecedents of fuzzy rules are defined by general type-2 fuzzy sets and the consequents by Takagi–Sugeno type models. Utilizing the Bernoulli distribution, packet dropouts in the two communication channels are effectively modeled. To mitigate their negative effect, we introduce buffers at the input of both the controller and the nonlinear system. A general type-2 fuzzy controller (GT2FC) is proposed to achieve optimal tracking performance based on the parallel distributed compensation approach. The GT2FC shares the same antecedent parts with the GT2FM, while its consequent parts serve as local inverse model controllers for corresponding consequent parts of the GT2FM. To reduce computation time in the type-reducer, a direct defuzzification method is utilized, introducing two factors to determine the participation of the lower and upper bounds. We introduce a novel algorithm to provide adaptive online laws for the parameters of AGT2-FMBC, ensuring convergence through the Lyapunov stability theorem. The robustness of the proposed controller is demonstrated through its application to three nonlinear NCSs, subject to packet dropouts and uncertainties.</div></div>","PeriodicalId":14660,"journal":{"name":"ISA transactions","volume":"159 ","pages":"Pages 257-277"},"PeriodicalIF":6.3,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143477027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Resilient consensus control for networked robotic manipulators under actuator faults and deception attacks

IF 6.3 2区计算机科学

ISA transactions Pub Date : 2025-04-01 DOI: 10.1016/j.isatra.2025.02.013

Van-Truong Nguyen , Van-Tam Ngo , Le Anh Tuan , Dinh-Hieu Phan , Phan Xuan Tan

{"title":"Resilient consensus control for networked robotic manipulators under actuator faults and deception attacks","authors":"Van-Truong Nguyen , Van-Tam Ngo , Le Anh Tuan , Dinh-Hieu Phan , Phan Xuan Tan","doi":"10.1016/j.isatra.2025.02.013","DOIUrl":"10.1016/j.isatra.2025.02.013","url":null,"abstract":"<div><div>Resilient consensus control refers to a system’s ability to maintain agreement among its components despite disruptions, failures, or malicious attacks. This paper introduces a resilient control algorithm for a group of robotic manipulators to achieve leader-follower consensus within their workspace, despite actuator faults and deception attacks affecting exchanged signals. The proposed approach leverages adaptive control algorithms to develop the control laws. It begins by introducing an adaptive fault-tolerant tracking control to ensure tracking performance despite model uncertainties, actuator faults, and external disturbances. An adaptive observer is then developed to mitigate the effects of false data injections caused by deception attacks. A key feature of this control framework is its ability to operate without requiring fault and attack detection, thereby improving the system’s robustness and applicability. The stability of the network and the convergence of the filtered errors are demonstrated using Lyapunov techniques and the equivalence principle. The proposed control framework is validated through numerical simulations involving a network of four heterogeneous manipulators, with results confirming the approach’s effectiveness in enhancing system reliability.</div></div>","PeriodicalId":14660,"journal":{"name":"ISA transactions","volume":"159 ","pages":"Pages 22-31"},"PeriodicalIF":6.3,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143485073","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Servo robust control of cyber–physical systems with physical uncertainty and cyber interference

IF 6.3 2区计算机科学

ISA transactions Pub Date : 2025-04-01 DOI: 10.1016/j.isatra.2025.02.002

Rongrong Yu , Xu Zhao , Mingxin Liu , Ye-Hwa Chen , Ying Tian

{"title":"Servo robust control of cyber–physical systems with physical uncertainty and cyber interference","authors":"Rongrong Yu , Xu Zhao , Mingxin Liu , Ye-Hwa Chen , Ying Tian","doi":"10.1016/j.isatra.2025.02.002","DOIUrl":"10.1016/j.isatra.2025.02.002","url":null,"abstract":"<div><div>Cyber-physical system (CPS) is a complex system that integrates cyber, computer system, and physical system. Due to the large amount of information transmitted by CPS in real time, there are physical uncertainty and serious security risks, so how to accurately and effectively realize the accurate control of the CPS becomes a challenging task. In this paper, we comprehensively consider the physical uncertainty and cyber interference that the CPS may face, and then design a Servo Robust Control (SRC). The control design is divided into two phases. In the first phase, a novel control scheme is proposed to ensure that the system can maintain stable performance in the face of physical uncertainty and cyber interference. The second phase is the optimal design of control parameters. Since the selection of control parameters seriously affects the performance of the system, multi-objective parameter optimization methods (non-cooperative game and Stackelberg strategy) are used to study the optimal selection of control parameters. Finally, the proposed SRC is applied to a typical CPS (i.e., autonomous vehicle) for verification. The effectiveness and superiority of this method are verified by comparing with other control methods.</div></div>","PeriodicalId":14660,"journal":{"name":"ISA transactions","volume":"159 ","pages":"Pages 55-65"},"PeriodicalIF":6.3,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143672117","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

RAM measure of EPB shield tunneling system under uncertain parameters – A case study in Tehran metro line 6

IF 6.3 2区计算机科学

ISA transactions Pub Date : 2025-04-01 DOI: 10.1016/j.isatra.2025.01.038

Vahid Amini , Jafar Khademi Hamidi , Masoud Monjezi , Esmaeil Fasihi

{"title":"RAM measure of EPB shield tunneling system under uncertain parameters – A case study in Tehran metro line 6","authors":"Vahid Amini , Jafar Khademi Hamidi , Masoud Monjezi , Esmaeil Fasihi","doi":"10.1016/j.isatra.2025.01.038","DOIUrl":"10.1016/j.isatra.2025.01.038","url":null,"abstract":"<div><div>Tunnels have a crucial role in preventing traffic jams in cities' transportation systems. Therefore, their timely design and construction are fundamental. The past decade has seen the rapid development of Earth Pressure Balance (EPB) machines as the most efficient and safest boring machines in urban areas with the lowest surface subsidence. Nevertheless, despite their numerous benefits, using these machines has disadvantages, such as long-term downtimes and heavy maintenance costs that the projects suffer from. Recently, there has been a surge of interest among researchers in troubleshooting and reducing the downtime of this complex machine. This paper mainly aims to trace and estimate executive elements' impact on machine reliability. To this end, all stops related to 16 subsystems over 12 months were collected and divided into two scenarios, direct (technical) and indirect (technical and executive) factors. According to the results obtained from the preliminary analysis of the raw data: (1) no substantial executive elements were recorded for the navigation subsystem; (2) the trend and serial correlation tests indicated that all Time Between Failures (TBFs) and Time To Repairs (TTRs) from subsystems followed the renewal processes, except for the navigation subsystem's TTR data that followed the non-homogenous poison process (NHPP); (3) the conveyor and segment subsystems were jointly introduced as the most critical subsystem with indirect factors; (4) in contrast, the conveyor subsystem with direct factors was found as the most critical one from the reliability point of view; and (5) the most striking result obtained from the data was that the executive elements could reduce the overall reliability of the EPB machine by about 40 % compared to the contrary scenario.</div></div>","PeriodicalId":14660,"journal":{"name":"ISA transactions","volume":"159 ","pages":"Pages 387-398"},"PeriodicalIF":6.3,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143082693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

H∞ controller design for Nabla discrete fractional-order systems

IF 6.3 2区计算机科学

ISA transactions Pub Date : 2025-04-01 DOI: 10.1016/j.isatra.2025.02.005

Jin-Xi Zhang , Yuanda Lv , Xuefeng Zhang , Witold Pedrycz

{"title":"H∞ controller design for Nabla discrete fractional-order systems","authors":"Jin-Xi Zhang , Yuanda Lv , Xuefeng Zhang , Witold Pedrycz","doi":"10.1016/j.isatra.2025.02.005","DOIUrl":"10.1016/j.isatra.2025.02.005","url":null,"abstract":"<div><div>This article aims to provide several criteria with sufficient conditions for Nabla discrete fractional-order systems to satisfy a certain <span><math><msub><mrow><mi>H</mi></mrow><mrow><mi>∞</mi></mrow></msub></math></span> performance index. Firstly, the instability region is approximated by a series of union sets of fan-shaped domains, and the mathematical expression of each fan-shaped domain is given. Secondly, by using the above approximation method and the generalized Kalman-Yakubovič-Popov lemma, some criteria with linear matrix inequality (LMI) formulations for the boundedness of the <span><math><msub><mrow><mi>H</mi></mrow><mrow><mi>∞</mi></mrow></msub></math></span> norm of the transfer function matrix for Nabla discrete FOSs are derived. Thirdly, an LMI-based <span><math><msub><mrow><mi>H</mi></mrow><mrow><mi>∞</mi></mrow></msub></math></span> state feedback controller design method is provided by using the projection lemma, which is aimed to stabilize the system and optimize its <span><math><msub><mrow><mi>H</mi></mrow><mrow><mi>∞</mi></mrow></msub></math></span> performance index simultaneously. Finally, the effectiveness of the proposed approach is verified by the accurate numerical solutions and system state responses obtained from two simulation examples.</div></div>","PeriodicalId":14660,"journal":{"name":"ISA transactions","volume":"159 ","pages":"Pages 247-256"},"PeriodicalIF":6.3,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143461194","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Tool wear monitoring by estimating milling torque and calculating the wear energy coefficient under variable depth of cut conditions

IF 6.3 2区计算机科学

ISA transactions Pub Date : 2025-04-01 DOI: 10.1016/j.isatra.2025.02.004

Defeng Peng , Hongkun Li , Bin Sun , Zhaodong Wang

{"title":"Tool wear monitoring by estimating milling torque and calculating the wear energy coefficient under variable depth of cut conditions","authors":"Defeng Peng , Hongkun Li , Bin Sun , Zhaodong Wang","doi":"10.1016/j.isatra.2025.02.004","DOIUrl":"10.1016/j.isatra.2025.02.004","url":null,"abstract":"<div><div>Tool wear monitoring (TWM) is important for machining accuracy and workpiece surface quality, the electric current signal method can’t realize the visualization of TWM in variable cutting depth cutting, and the force signal method has difficulties in data acquisition. Combining the characteristics of both methods, the paper proposes a novel TWM method by estimating milling torque and constructing wear coefficient. Firstly, a time-shifted modal decomposition method (TSMD) is proposed to remove the high-frequency interference from the current data, and extract the milling torque component from the feed current. Then, a prediction model driven by current data is established, which estimates instantaneous torque using the residual-enhanced dual embedding channel attention model (RL-EDCA). Finally, the tool wear energy coefficient is proposed based on the characteristics of machine-tool power consumption, its overall change trend is consistent with the trend of tool wear amount as the experimental result, which realizes the visual monitoring of tool wear state in curved surface machining, and provides a new framework for TWM in small batch production.</div></div>","PeriodicalId":14660,"journal":{"name":"ISA transactions","volume":"159 ","pages":"Pages 375-386"},"PeriodicalIF":6.3,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143517721","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Distributed observer-based prescribed-time affine formation control for underactuated unmanned surface vessels under DoS attack

IF 6.3 2区计算机科学

ISA transactions Pub Date : 2025-04-01 DOI: 10.1016/j.isatra.2025.02.017

Tao Liu , Jixiang Li , Bin Zhou , Yong Hao , Xianfeng Wang

{"title":"Distributed observer-based prescribed-time affine formation control for underactuated unmanned surface vessels under DoS attack","authors":"Tao Liu , Jixiang Li , Bin Zhou , Yong Hao , Xianfeng Wang","doi":"10.1016/j.isatra.2025.02.017","DOIUrl":"10.1016/j.isatra.2025.02.017","url":null,"abstract":"<div><div>This study addresses the control challenges of distributed prescribed-time maneuvers for underactuated unmanned surface vessels (USVs) operating in affine formation under adverse conditions, including ocean disturbances, unmodeled dynamics, and denial-of-service (DoS) attacks. The research develops a control scheme that enables USVs to perform complex maneuvers such as translation, shearing, rotation, and scaling, despite intermittent communication failures due to periodic DoS attacks. The approach integrates a distributed prescribed-time observer (DPTO) for each vessel to monitor local time-varying desired states, coupled with an adaptive prescribed-time local tracking control (APTLTC) strategy that drives the USV to track the desired states. The effectiveness and robustness of this control solution are validated through theoretical analysis and simulation, demonstrating significant resilience against network disruptions. This study contributes to safer maritime operations by providing a robust control framework for underactuated USVs under cyber-physical threats.</div></div>","PeriodicalId":14660,"journal":{"name":"ISA transactions","volume":"159 ","pages":"Pages 165-180"},"PeriodicalIF":6.3,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143569159","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Robust contrastive learning based on evidential uncertainty for open-set semi-supervised industrial fault diagnosis

IF 6.3 2区计算机科学

ISA transactions Pub Date : 2025-04-01 DOI: 10.1016/j.isatra.2025.01.041

Shuaijie Chen, Chuang Peng, Lei Chen, Kuangrong Hao

{"title":"Robust contrastive learning based on evidential uncertainty for open-set semi-supervised industrial fault diagnosis","authors":"Shuaijie Chen, Chuang Peng, Lei Chen, Kuangrong Hao","doi":"10.1016/j.isatra.2025.01.041","DOIUrl":"10.1016/j.isatra.2025.01.041","url":null,"abstract":"<div><div>Semi-supervised learning is increasingly applied in industrial fault diagnosis, presuming that the label spaces of labeled samples and unlabeled samples are identical. However, unknown faults in real-world scenarios present a challenge for traditional closed-set approaches. To this end, we propose a novel framework for open-set semi-supervised industrial fault diagnosis, named Evidential Robust Contrastive Learning (ERCL). The theory of evidence is introduced to explicitly assess sample uncertainty, guiding the evidential robust contrastive representation module to implement instance-level training strategies for each unlabeled sample. Additionally, an adaptive out-of-distribution detection module is developed to detect unknown faults by evaluating the difference in mutual information distributions between in-distribution (ID) and out-of-distribution (OOD) samples, thereby avoiding over-reliance on prior knowledge. The proposed framework is validated with the Tennessee Eastman process and polyester esterification process. As proved in the experiments, ERCL exhibits superior diagnosis accuracy in open scenarios with limited labeled data.</div></div>","PeriodicalId":14660,"journal":{"name":"ISA transactions","volume":"159 ","pages":"Pages 32-43"},"PeriodicalIF":6.3,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143367081","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Virtual torque control combining with modal decoupling research for hydraulic-driven lower limb exoskeleton robot

IF 6.3 2区计算机科学

ISA transactions Pub Date : 2025-04-01 DOI: 10.1016/j.isatra.2025.01.047

Jinsong Zhao , Huidong Hou , Xianwei Niu , Yi Liu , Lin Xia , Lianjie Men , Zhiyong Ma

{"title":"Virtual torque control combining with modal decoupling research for hydraulic-driven lower limb exoskeleton robot","authors":"Jinsong Zhao , Huidong Hou , Xianwei Niu , Yi Liu , Lin Xia , Lianjie Men , Zhiyong Ma","doi":"10.1016/j.isatra.2025.01.047","DOIUrl":"10.1016/j.isatra.2025.01.047","url":null,"abstract":"<div><div>The hydraulic-driven lower limb exoskeleton robot (HDLLER) can provide excellent assistance during human walking. However, complex torque coupling disturbances exist between each joint, negatively impacting the precise torque tracking of each joint channel of the robot. To address the coupling force disturbances between HDLLER joints and the human–robot interactions, this paper proposes a virtual torque control (VTC) strategy based on modal decoupling. Specifically, a human–robot coupled dynamic model of the HDLLER considering human motion disturbances is first established. Then, based on vibration theory, a modal space decoupling approach is proposed to transform the system’s mass and stiffness matrices into diagonal matrices, creating two independent control channels. Furthermore, a VTC strategy is introduced to compensate for disturbances caused by human motion and the residual terms after modal decoupling, thereby enhancing the HDLLER’s performance. Finally, to handle parameter variations during modal decoupling and inaccuracies in model identification, the <span><math><msub><mrow><mi>H</mi></mrow><mrow><mi>∞</mi></mrow></msub></math></span> theory is introduced to optimize the proposed VTC, effectively reducing the control strategy’s dependence on model accuracy and improving system robustness. The effectiveness of the proposed method is verified through a series of comparative experiments.</div></div>","PeriodicalId":14660,"journal":{"name":"ISA transactions","volume":"159 ","pages":"Pages 191-202"},"PeriodicalIF":6.3,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143442705","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0