ISA transactions最新文献_第3页

Critical hydraulic components remaining useful life prediction based on long-life test and Bayesian joint model with data augmentation. 基于长寿命试验和数据增强贝叶斯联合模型的关键液压元件剩余使用寿命预测。

ISA transactions Pub Date : 2025-05-27 DOI: 10.1016/j.isatra.2025.05.040

Weijie Li, Xinyuan Chen, Xinbo Qian, Bo Deng, Xingyu Zhou, Dunkai Wang, Jingyi Zhang, Yan Lu

{"title":"Critical hydraulic components remaining useful life prediction based on long-life test and Bayesian joint model with data augmentation.","authors":"Weijie Li, Xinyuan Chen, Xinbo Qian, Bo Deng, Xingyu Zhou, Dunkai Wang, Jingyi Zhang, Yan Lu","doi":"10.1016/j.isatra.2025.05.040","DOIUrl":"https://doi.org/10.1016/j.isatra.2025.05.040","url":null,"abstract":"Remaining useful life (RUL) predictions of hydraulic components are critical to the operational reliability of hydraulic systems. Currently, research on highly reliable hydraulic components is primarily limited to simulation models, few faulty components or accelerated life tests. Moreover, RUL predictions are mainly limited to multi-source condition monitoring data, potentially leading to difficulties in ensuring long-term RUL prediction accuracy. To address these issues, this paper proposes a RUL prediction method based on long-life test and Bayesian joint model with data augmentation. First, seven solenoid valves were subjected to a long-life test lasting over 2.2 million times for 20 months. Second, a data augmentation method was utilized to increase the size of the RUL prediction training set. Finally, a Bayesian joint model was designed to identify random association relationships among condition monitoring, inspection and event data. The accuracy and confidence of the proposed method has been validated by long-life test datasets.","PeriodicalId":94059,"journal":{"name":"ISA transactions","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144251587","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

MAF-Stereo: Fast stereo matching through multi-branch attention fusion. MAF-Stereo：通过多分支注意融合实现快速立体匹配。

ISA transactions Pub Date : 2025-05-26 DOI: 10.1016/j.isatra.2025.05.038

Lei Jin, Ke Xu

{"title":"MAF-Stereo: Fast stereo matching through multi-branch attention fusion.","authors":"Lei Jin, Ke Xu","doi":"10.1016/j.isatra.2025.05.038","DOIUrl":"https://doi.org/10.1016/j.isatra.2025.05.038","url":null,"abstract":"With advancements in computer vision, stereo matching has become a critical component in applications such as autonomous driving and 3D reconstruction. Traditional methods for achieving accurate matching often rely on high-resolution image features or deeper network architectures, which substantially compromise inference speed. In contrast, methods designed for faster performance typically simplify network structures, sacrificing accuracy to improve efficiency. Our study identifies a key limitation of these rapid methods: their exclusive reliance on low-resolution features during the feature resolution recovery process, which results in insufficiently informative recovered features. To address this limitation, we propose a novel module, the Multi-branch Attention Fusion (MAF), which leverages shallow features extracted in the early stages of processing to enhance feature resolution recovery during the cost aggregation phase. Additionally, we introduce an improvement to the cost volume generation process by incorporating cosine similarity, which alleviates the issue of weak correlation between left and right image features often encountered in conventional four-dimensional cost volumes. Building upon these contributions, we present MAF-Stereo, a method that achieves an endpoint error (EPE) of 0.57 and an inference speed of 41 ms on the Scene Flow dataset. Comprehensive evaluations on the Karlsruhe Institute of Technology and Toyota Technological Institute (KITTI) 2012 and 2015 datasets further demonstrate that MAF-Stereo outperforms existing fast matching methods in both speed and accuracy, establishing its effectiveness and robustness. The code is available at: https://github.com/LeiJ-USTB/MAF-Stereo/tree/main.","PeriodicalId":94059,"journal":{"name":"ISA transactions","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144188724","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Neural inverse-based fast control of quadrotors with actuator saturation. 基于神经逆的驱动器饱和四旋翼快速控制。

ISA transactions Pub Date : 2025-05-24 DOI: 10.1016/j.isatra.2025.05.025

Yiming Wang, Hao An, Linchang Lu

引用次数: 0

Practical fixed-time formation control with disturbance rejection for marine vehicles under input saturation. 船舶输入饱和条件下具有抗扰特性的固定时间编队控制。

ISA transactions Pub Date : 2025-05-24 DOI: 10.1016/j.isatra.2025.05.032

Zhipeng Liu, Qingtao Gong, Xin Hu, Guibing Zhu, Sheng Guo, Binjie Ma, Xin Li

{"title":"Practical fixed-time formation control with disturbance rejection for marine vehicles under input saturation.","authors":"Zhipeng Liu, Qingtao Gong, Xin Hu, Guibing Zhu, Sheng Guo, Binjie Ma, Xin Li","doi":"10.1016/j.isatra.2025.05.032","DOIUrl":"https://doi.org/10.1016/j.isatra.2025.05.032","url":null,"abstract":"This paper addresses the practical fixed-time disturbance rejection formation control problem for marine vehicles under input saturation effects. First, a novel practical fixed-time stability lemma is established. A practical fixed-time disturbance observer which is independent of initial estimation errors is developed to estimate ocean disturbances within a fixed-time interval. Then, considering the susceptibility of control forces to saturation resulting from fixed-time control strategies, the input saturation effects are reduced by correcting the control error online through the state vector of the constructed practical fixed-time auxiliary dynamic filter. Furthermore, through the utilization of the vectorial backstepping, the practical fixed-time disturbance rejection anti-saturation formation controller is derived with the first-order filter being incorporated to overcome the differential explosion. Theoretical analysis demonstrates that the proposed control method enables the follower vehicle to effectively track the leader vehicle while ensuring stability in all states within a fixed settling time, independent of the follower's initial states. Finally, simulation results are presented to validate the effectiveness of our developed control scheme.","PeriodicalId":94059,"journal":{"name":"ISA transactions","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144217951","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Dynamic event-triggered adaptive control for electro-hydraulic servomechanism. 电液伺服机构的动态事件触发自适应控制。

ISA transactions Pub Date : 2025-05-23 DOI: 10.1016/j.isatra.2025.05.027

Chao Shen, Jianxin Zhu

引用次数: 0

Motor fault diagnosis method based on spiking convolutional neural network with multi-scale decomposition local features. 基于多尺度分解局部特征的脉冲卷积神经网络的电机故障诊断方法。

ISA transactions Pub Date : 2025-05-23 DOI: 10.1016/j.isatra.2025.05.035

Gongping Wu, Zhiwen Huang, Zhuo Long, Fengqin Huang, Ming-Hao Wang, Xiaofei Zhang

{"title":"Motor fault diagnosis method based on spiking convolutional neural network with multi-scale decomposition local features.","authors":"Gongping Wu, Zhiwen Huang, Zhuo Long, Fengqin Huang, Ming-Hao Wang, Xiaofei Zhang","doi":"10.1016/j.isatra.2025.05.035","DOIUrl":"https://doi.org/10.1016/j.isatra.2025.05.035","url":null,"abstract":"Motor fault diagnosis has been widely focused on various manufacturing systems. Traditional neural networks have limitations in extracting temporal features from data. This paper proposes a motor fault diagnosis method based on spiking convolutional neural network with multi-scale decomposition local features. This method extracts the local features of the raw motor fault signals at different scales (frequency and time) using Discrete Wavelet Transform (DWT), capturing detailed information from various frequency bands, with high-frequency instantaneous changes and low-frequency steady trends. Then, Gaussian population encoding features are used to generate time spikes, enhancing the accuracy and optimization ability of feature representation, to avoid local optima and improve the model's generalization performance. To further improve the performance of the network, Spiking Convolutional Neural Network (SCNN) is combined with Batch Normalization Through Time (BNTT). BNTT performs batch normalization at the temporal level, effectively enhancing the training stability of the neural network, reducing issues like vanishing or exploding gradients, and accelerating the convergence process. In addition, the surrogate gradient method is used to overcome the backpropagation problem in spiking neural networks, allowing the temporal neural network to be trained smoothly. Finally, the experiments and comparisons are conducted by using the Induction Motor Data Sets (IMDS) and Case Western Reserve University (CWRU) datasets. The proposed method can achieve test accuracy of 99.49 % and 96.31 % on IMDS and CWRU respectively. The results show that this method offers high test accuracy and low computational cost.","PeriodicalId":94059,"journal":{"name":"ISA transactions","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144217950","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Boundedness theorems of fractional-order impulsive delayed systems and its application to complex networks. 分数阶脉冲延迟系统的有界性定理及其在复杂网络中的应用。

ISA transactions Pub Date : 2025-05-23 DOI: 10.1016/j.isatra.2025.05.023

Baizeng Bao, Hongxiao Hu, Liguang Xu

引用次数: 0

Robust data driven control in frequency domain: A model-free approach. 频域鲁棒数据驱动控制：一种无模型方法。

ISA transactions Pub Date : 2025-05-23 DOI: 10.1016/j.isatra.2025.05.033

Seyed-Masoud Tabibian, Mohammad Ataei, Hamid-Reza Koofigar

{"title":"Robust data driven control in frequency domain: A model-free approach.","authors":"Seyed-Masoud Tabibian, Mohammad Ataei, Hamid-Reza Koofigar","doi":"10.1016/j.isatra.2025.05.033","DOIUrl":"https://doi.org/10.1016/j.isatra.2025.05.033","url":null,"abstract":"Data-driven control methods in the frequency domain commonly require the determination of controller structure. Relaxing such restriction in the proposed algorithm, the controller design is transformed into an optimization problem, based on the υ-gap Metric criterion. By defining a desired stability margin and the desired frequency response of the controller, a criterion is determined to characterize a family of controllers. Therefore, a model free procedure is proposed to determine a family of controllers, by taking the plant frequency response and the desired stability margin. On the other hand, by adopting a new index, presented in this paper, the designer can determine the optimal controller, based on the implementation conditions. Another advantage of the proposed method is its applicability to uncertain Multi-Input Multi-Output (MIMO) systems. The loop performance in the presented algorithm can be also enhanced by appropriate selection of weighting matrices in a loop shaping procedure. Two examples are also presented to demonstrate the effectiveness of the method for multi-variable non-square uncertain systems, including a practical example of a purely delayed system.","PeriodicalId":94059,"journal":{"name":"ISA transactions","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144188725","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Ensemble fault detection based on magnetic flux leakage images with noise robustness for steel wire ropes. 基于噪声鲁棒性漏磁图像的钢丝绳集成故障检测。

ISA transactions Pub Date : 2025-05-23 DOI: 10.1016/j.isatra.2025.05.037

Feiyang Pan, Zhiliang Liu, Liyuan Ren, Leilei Yang, Mingjian Zuo

{"title":"Ensemble fault detection based on magnetic flux leakage images with noise robustness for steel wire ropes.","authors":"Feiyang Pan, Zhiliang Liu, Liyuan Ren, Leilei Yang, Mingjian Zuo","doi":"10.1016/j.isatra.2025.05.037","DOIUrl":"https://doi.org/10.1016/j.isatra.2025.05.037","url":null,"abstract":"Localization of local flaws is critical to the magnetic flux leakage inspection of steel wire ropes. Existing studies mainly focus on improving the denoising ability to improve LF localization accuracy, but encounter limitations caused by inconsistencies in the noise features. In contrast, the localization technique still lacks enough attention. Second stage noise (SSN), which refers to noise after the denoising process, is the primary cause of inaccurate localization. To address this challenge, this paper adopted two ideas: reducing the SSN through a more effective denoising process and decreasing the false detection of SSN by using ensemble detection in the localization process. The proposed denoising method applies dual-dimensional template matching to enhance the LF signal and suppress the resulting SSN regardless of the noise feature. In the localization stage, two localization methods were developed and combined to obtain united results, bringing improved robustness against the SSN. The results demonstrate that the proposed denoising method achieves a significant reduction in SSN. The proposed ensemble detection achieves an F1 score of 0.9575, which is much higher than existing methods.","PeriodicalId":94059,"journal":{"name":"ISA transactions","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144236291","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A novel performance synthesis method for unknown mismatched disturbances with finite-frequency specifications. 一种新的有限频域未知失匹配干扰性能综合方法。

ISA transactions Pub Date : 2025-05-22 DOI: 10.1016/j.isatra.2025.05.031

Gao Huang, Jixuan Li, Pan Yu

{"title":"A novel performance synthesis method for unknown mismatched disturbances with finite-frequency specifications.","authors":"Gao Huang, Jixuan Li, Pan Yu","doi":"10.1016/j.isatra.2025.05.031","DOIUrl":"https://doi.org/10.1016/j.isatra.2025.05.031","url":null,"abstract":"A novel synthesis method of disturbance-rejection performance is developed for equivalent-input-disturbance (EID)-based control systems regardless of the unknown and mismatch of disturbances in this paper. It removes the prior assumption on the existence of an EID on the control input channel and guarantees a prescribed finite-frequency performance. First, by treating the Luenberger observer as an ideal dynamic, an auxiliary indicator, i.e., an intermediate variable, is introduced to facilitate performance evaluation. Then, the control mechanism of disturbance-rejection performance is revealed for both single-input, single-output (SISO) and multi-input, multi-output (MIMO) systems with the aid of a commutative condition. More specifically, the commutative condition is always true for SISO systems, but it is a bit challenging to find appropriate parameters such that the commutative condition holds for MIMO systems. To facilitate implementation, a practical commutative condition is developed and used instead of the original commutative condition. Further, taking into account the practical commutative condition, a performance-oriented design algorithm is given, which ensures the prescribed finite-frequency and entire-frequency disturbance-rejection performance requirements. Finally, by comparing with other methods, case studies of a quarter-vehicle suspension system and an MIMO system are carried out to demonstrate the advantages of the developed method.","PeriodicalId":94059,"journal":{"name":"ISA transactions","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144176274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0