{"title":"H−/H∞ filter-based fault detection application to PEM fuel cell air-feed system","authors":"Moustapha Niane, Mohamed Zerrougui, Rachid Outbib","doi":"10.1002/asjc.3439","DOIUrl":"10.1002/asjc.3439","url":null,"abstract":"<p>This paper focuses on diagnosing faults and disturbances in the polymer electrolyte membrane (PEM) fuel cell air-feed system. The main objective is to design a robust filter, specifically of the \u0000<span></span><math>\u0000 <semantics>\u0000 <mrow>\u0000 <msub>\u0000 <mrow>\u0000 <mi>H</mi>\u0000 </mrow>\u0000 <mrow>\u0000 <mo>−</mo>\u0000 </mrow>\u0000 </msub>\u0000 <mo>/</mo>\u0000 <msub>\u0000 <mrow>\u0000 <mi>H</mi>\u0000 </mrow>\u0000 <mrow>\u0000 <mi>∞</mi>\u0000 </mrow>\u0000 </msub>\u0000 </mrow>\u0000 <annotation>$$ {mathcal{H}}_{-}/{mathcal{H}}_{infty } $$</annotation>\u0000 </semantics></math> type, to improve fault detection and attenuate perturbations. The \u0000<span></span><math>\u0000 <semantics>\u0000 <mrow>\u0000 <msub>\u0000 <mrow>\u0000 <mi>H</mi>\u0000 </mrow>\u0000 <mrow>\u0000 <mo>−</mo>\u0000 </mrow>\u0000 </msub>\u0000 </mrow>\u0000 <annotation>$$ {mathcal{H}}_{-} $$</annotation>\u0000 </semantics></math> norm is employed to assess the fault sensitivity performance of the detection process, while the \u0000<span></span><math>\u0000 <semantics>\u0000 <mrow>\u0000 <msub>\u0000 <mrow>\u0000 <mi>H</mi>\u0000 </mrow>\u0000 <mrow>\u0000 <mi>∞</mi>\u0000 </mrow>\u0000 </msub>\u0000 </mrow>\u0000 <annotation>$$ {mathcal{H}}_{infty } $$</annotation>\u0000 </semantics></math> norm guarantees the robustness of the proposed filter against disturbances. The approach utilized in this work is based on Lyapunov stability analysis, and the filter matrices are determined by solving a convex optimization problem formulated as linear matrix inequalities (LMIs). To illustrate the effectiveness of our results, a simulation is conducted under various disturbance and faulty scenarios. By integrating robust filtering techniques and addressing fault detection and disturbance attenuation, this study offers valuable insights for enhancing the performance and reliability of the PEM fuel cell air-feed system.</p>","PeriodicalId":55453,"journal":{"name":"Asian Journal of Control","volume":"27 1","pages":"169-178"},"PeriodicalIF":2.7,"publicationDate":"2024-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/asjc.3439","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141385363","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Lei Nie, Meng Wang, Huaicheng Yan, Zhichen Li, Yongxiao Tian
{"title":"Command filtered backstepping control of multiple transmission control protocol/active queue management networks with user datagram protocol flows","authors":"Lei Nie, Meng Wang, Huaicheng Yan, Zhichen Li, Yongxiao Tian","doi":"10.1002/asjc.3417","DOIUrl":"10.1002/asjc.3417","url":null,"abstract":"<p>In this study, the congestion control problem for multiple transmission control protocol/active queue management (TCP/AQM) networks with user datagram protocol (UDP) flows is investigated. Taking the UDP stream as the unknown interference and the maximum interference is obtained by the minimax theorem. A novel control algorithm is designed for multi-TCP/AQM networks through backstepping control and command filtered technology. Simulation studies are carried out to verify the effectiveness and feasibility of the proposed method.</p>","PeriodicalId":55453,"journal":{"name":"Asian Journal of Control","volume":"27 1","pages":"301-310"},"PeriodicalIF":2.7,"publicationDate":"2024-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141385108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Adaptive neural network control for permanent magnet synchronous motor with input nonlinearity","authors":"Shan Lin, Huiyuan Wu, Shuangyin Liu, Xiaowei Wang, Zhijia Zhao","doi":"10.1002/asjc.3423","DOIUrl":"10.1002/asjc.3423","url":null,"abstract":"<p>This study aims to design a new adaptive control method for permanent magnet synchronous motors (PMSMs) using neural networks (NNs). In comparison to traditional motor backstepping control designs, this research introduces a command filtering strategy to effectively address the common issue of “complexity explosion” in traditional methods. Additionally, considering the potential input hysteresis nonlinearity in practical applications, we introduce a hysteresis inverse operator to mitigate its adverse effects on control. Furthermore, by employing a finite-time control strategy, we ensure rapid convergence of tracking errors within a finite time frame. Moreover, an adaptive NN controller is designed to approximate unknown continuous nonlinear functions of the system. Finally, the stability and convergence of the closed-loop system are analyzed using the direct Lyapunov method.</p>","PeriodicalId":55453,"journal":{"name":"Asian Journal of Control","volume":"27 1","pages":"311-321"},"PeriodicalIF":2.7,"publicationDate":"2024-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141386836","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Parameter learning for Wiener systems with time-delay state-space model","authors":"Feng Li, Zhenyu Ding, Naibao He","doi":"10.1002/asjc.3419","DOIUrl":"10.1002/asjc.3419","url":null,"abstract":"<p>This paper discusses a novel scheme for learning the Wiener output error nonlinear system with time-delay state-space model. In the Wiener system, the dynamic linear block is approximated by time-delay state-space model, and the static nonlinear block is established using neural fuzzy network. Combined signals designed including separable signal and random signal are devoted to achieving parameters separation learning of the Wiener system, that is, the two blocks are learned independently. Firstly, using the properties of shift operator and transforming state-space model with time-delay into a representation with input and output, then linear dynamic block parameters are learned by the virtue of correlation analysis method in the condition of Gaussian signals. Moreover, a recursive extended least squares estimation is carried out to learn parameters of static nonlinear block and colored noise model under the condition of random signals. The efficiency and accuracy of proposed scheme are confirmed on experiment results of a numerical simulation and a typical practical nonlinear process, and experimental simulation results demonstrate that the learning scheme proposed obtains good learning precision.</p>","PeriodicalId":55453,"journal":{"name":"Asian Journal of Control","volume":"27 1","pages":"179-190"},"PeriodicalIF":2.7,"publicationDate":"2024-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141388029","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Structural properties of linear discrete periodic systems based on fully actuated system approaches","authors":"Lingling Lv, Zikai Li, Xinyang Liu","doi":"10.1002/asjc.3414","DOIUrl":"10.1002/asjc.3414","url":null,"abstract":"<p>In this paper, the structural properties of linear discrete-periodic systems are investigated using fully actuated system approaches and the related criteria are presented, with emphasis on the observability and controllability criteria based on fully actuated system approaches. Both the high-order fully measured and high-order fully actuated models of linear discrete periodic time-varying systems are constructed, and it is shown that a sufficient and necessary condition for the linear discrete periodic system to be observable (controllable) is that it can be equivalently transformed into a step-forward high-order fully measured (fully actuated) model and a step-backward high-order fully measured (fully actuated) model. Finally, a numerical example is offered to demonstrate the validity and feasibility of the approach.</p>","PeriodicalId":55453,"journal":{"name":"Asian Journal of Control","volume":"26 6","pages":"3118-3125"},"PeriodicalIF":2.7,"publicationDate":"2024-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141387646","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Special structural Gramian approximation methods for model order reduction of time-delay systems","authors":"Gaoyuan Cheng, Xiaolong Wang, Zhen Miao","doi":"10.1002/asjc.3437","DOIUrl":"10.1002/asjc.3437","url":null,"abstract":"<p>Model order reduction methods via low-rank approximation of Gramians for time-delay systems are developed in this paper. The main contribution is to achieve the balancing and truncation of the system by utilizing low-rank decomposition of the Gramians combined with the low-rank square root framework. Here, based on Laguerre expansion technique, the low-rank factorization of the system Gramians is realized via a linear system with special structure, thus enabling an efficient implementation of the reduction process. Furthermore, the issue of stability preservation is briefly described. We employ the dominant subspaces projection model reduction method to mitigate the effects which may accidentally produce unstable reduced models. Finally, numerical results verify the performance of the approximation-Gramian methods.</p>","PeriodicalId":55453,"journal":{"name":"Asian Journal of Control","volume":"27 1","pages":"332-342"},"PeriodicalIF":2.7,"publicationDate":"2024-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141386945","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Stability equivalence between regime-switching jump diffusion delayed systems and corresponding systems with piecewise continuous arguments and application to discrete-time feedback control","authors":"Xin Liu, Pei Cheng, Ting Cai","doi":"10.1002/asjc.3407","DOIUrl":"10.1002/asjc.3407","url":null,"abstract":"<p>In this paper, we mainly study the equivalence of exponential stability for regime-switching jump diffusion delayed systems (RSJDDSs) and RSJDDSs with piecewise continuous arguments (RSJDDSs-PCA). Our results show that if one of the RSJDDS and the RSJDDS-PCA is \u0000<span></span><math>\u0000 <semantics>\u0000 <mrow>\u0000 <mi>p</mi>\u0000 </mrow>\u0000 <annotation>$$ p $$</annotation>\u0000 </semantics></math>th moment exponentially stable, then another system is also \u0000<span></span><math>\u0000 <semantics>\u0000 <mrow>\u0000 <mi>p</mi>\u0000 </mrow>\u0000 <annotation>$$ p $$</annotation>\u0000 </semantics></math>th moment exponentially stable when time delay and segment step size have a common upper bound, while both equations are almost surely exponentially stable, and we also provided a method to calculate this upper bound. In addition, as an application of the stability equivalence theorem, we design discrete-time state and mode observations feedback control to stabilize unstable RSJDDSs and investigate that controllers of the drift, diffusion, and jump terms are all able to play a stabilizing effect on the controlled system.</p>","PeriodicalId":55453,"journal":{"name":"Asian Journal of Control","volume":"26 5","pages":"2745-2762"},"PeriodicalIF":2.7,"publicationDate":"2024-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141388148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Linear quadratic optimal control problems of infinite-dimensional mean-field type with jumps","authors":"Shijun Wang, Maoning Tang, Qingxin Meng","doi":"10.1002/asjc.3415","DOIUrl":"10.1002/asjc.3415","url":null,"abstract":"<p>In this paper, we formulate and investigate a framework for the theory of the linear quadratic optimal control problem (LQ problem) for infinite-dimensional mean-field stochastic evolution systems with jumps. We ensure the well-posedness of the investigated problems by establishing the existence, uniqueness, and a priori estimates for mild solutions to general infinite-dimensional mean-field forward stochastic evolution equations (MF-SEE) and mean-field backward stochastic evolution equations (MF-BSEE) with jumps. Leveraging the Yosida approximation theory, we establish a dual theory between MF-SEE and MF-BSEE with jumps, overcoming the challenge posed by the inapplicability of Itô's formula in the context of mild solutions. Our main results regarding the existence and uniqueness of the optimal control, along with corresponding dual characterizations and state feedback representations, are obtained through convex analysis techniques, our established dual theory, and decoupling methods.</p>","PeriodicalId":55453,"journal":{"name":"Asian Journal of Control","volume":"27 1","pages":"276-300"},"PeriodicalIF":2.7,"publicationDate":"2024-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141256164","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Dynamic event-triggered fault estimation and accommodation for networked systems based on intermediate variable","authors":"Yuezhou Zhao, Tieshan Li, Yue Long, Weiwei Bai","doi":"10.1002/asjc.3416","DOIUrl":"10.1002/asjc.3416","url":null,"abstract":"<p>In this paper, the problem of robust fault estimation and fault-tolerant control is considered for networked systems with external disturbances. By introducing an intermediate variable containing the system state information and fault information, the observer to accurately estimate the fault and system state is proposed. The gain matrices of fault estimation observer, fault-tolerant controller and dynamic event-triggered mechanism(ETM) are calculated simultaneously by solving a convex optimization problem. Compared with the existing results, the proposed fault estimation strategy does not match observer matching conditions. Furthermore, the introduction of dynamic ETM can effectively reduce the burden of the network with limited bandwidth resources. Finally, two simulation examples show the effectiveness of the proposed method.</p>","PeriodicalId":55453,"journal":{"name":"Asian Journal of Control","volume":"27 1","pages":"191-203"},"PeriodicalIF":2.7,"publicationDate":"2024-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141256428","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A novel equivalent reciprocal convex combination technique to sampled-data master–slave synchronization for chaotic Lur'e systems with time-varying delays","authors":"Wenchengyu Ji, Yulian Jiang, Shenquan Wang","doi":"10.1002/asjc.3412","DOIUrl":"10.1002/asjc.3412","url":null,"abstract":"<p>For a class of master–slave (M-S) systems in chaotic Lur'e systems with time-varying delays, a sampled-data synchronization controller is designed, and a new synchronization stability condition is proposed in the form of linear matrix inequality. A novel Lyapunov-Krasovskii functional (LKF) is constructed by using the looped-functional method, and the positive definiteness condition of LKF including sampled-data parts is exchanged with a looping condition by constructing a functional, which should be equal at adjacent sampling times. The M-S synchronization condition is obtained utilizing the equivalent reciprocal convex combination approach combined with Bessel-Legendre integral inequality to estimate the LKF derivative. Different from previous methods, due to fully utilizing both nonlinearity and state information at the sampling time via the integral of error systems from the sampling time to current one, the M-S synchronization condition is less conservative, and obtained sampled-data controller possesses a longer sampling period. Finally, two numerical examples verify the superiority and validity of the approach.</p>","PeriodicalId":55453,"journal":{"name":"Asian Journal of Control","volume":"27 1","pages":"204-214"},"PeriodicalIF":2.7,"publicationDate":"2024-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141256522","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}