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A frequency domain fractional order tilted integral derivative controller design for fractional order time delay processes 一种分数阶时滞过程的频域倾斜积分导数控制器设计
IF 2.7 4区 计算机科学
Asian Journal of Control Pub Date : 2024-10-23 DOI: 10.1002/asjc.3515
Gnaneshwar K, Rishika Trivedi, Sudeep Sharma, Prabin Kumar Padhy
{"title":"A frequency domain fractional order tilted integral derivative controller design for fractional order time delay processes","authors":"Gnaneshwar K,&nbsp;Rishika Trivedi,&nbsp;Sudeep Sharma,&nbsp;Prabin Kumar Padhy","doi":"10.1002/asjc.3515","DOIUrl":"https://doi.org/10.1002/asjc.3515","url":null,"abstract":"<p>In real-time processes, time delays are inherent due to various factors, such as delays in volume, mass, and information transfer, leading to a deterioration in process performance and stability. Therefore, this paper proposes a fractional-order tilted integral derivative (TID) controller design for stable and unstable fractional-order processes with time delay, where the optimal controller parameters are designed using a deterministic approach. An inner loop controller is designed using stability analysis and a graphical approach for unstable fractional-order time delay processes. The proposed approach offers flexibility and fine-tuning in designing the controller for a specific application. A systematic reference to the disturbance ratio is carried out to assess the disturbance handling capacity of the proposed controller. It shows the sensitivity of the designed controller against disturbances in the frequency spectrum graphically. Numerous performance indices and time-domain parameters are computed and compared with state-of-the-art techniques to analyze the efficacy. Furthermore, it is validated on the experimental setup of a four-tank system. Simulation and experimental results demonstrate that the proposed approach outperforms recent techniques in terms of process control and disturbance rejection.</p>","PeriodicalId":55453,"journal":{"name":"Asian Journal of Control","volume":"27 3","pages":"1384-1404"},"PeriodicalIF":2.7,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143950524","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}
引用次数: 0
New delay-dependent finite-time stabilization of Takagi–Sugeno fuzzy approaches for delayed nonlinear systems 时滞非线性系统Takagi-Sugeno模糊方法的新时滞依赖有限时间镇定
IF 2.7 4区 计算机科学
Asian Journal of Control Pub Date : 2024-10-22 DOI: 10.1002/asjc.3509
Nabil El Fezazi, Mohamed Fahim, Said Idrissi, Rashid Farkous, Teresa Alvarez, El Houssaine Tissir
{"title":"New delay-dependent finite-time stabilization of Takagi–Sugeno fuzzy approaches for delayed nonlinear systems","authors":"Nabil El Fezazi,&nbsp;Mohamed Fahim,&nbsp;Said Idrissi,&nbsp;Rashid Farkous,&nbsp;Teresa Alvarez,&nbsp;El Houssaine Tissir","doi":"10.1002/asjc.3509","DOIUrl":"https://doi.org/10.1002/asjc.3509","url":null,"abstract":"<p>In this paper, the finite-time stability and stabilization of nonlinear systems with delays is studied, via a Takagi–Sugeno approach. By using a novel Lyapunov–Krasovskii functional and introducing some fuzzy free-weighting matrices, sufficient conditions are derived, for bounded and differentiable time-varying delays in terms of an upper bound of the delay derivatives. Then, we achieve closed-loop stabilization in finite time through an efficient parallel distributed compensation design. The sufficient conditions are formulated as linear matrix inequalities to achieve the desired performance. Finally, the proposed methodology is applied to various case studies, highlighting its significance.</p>","PeriodicalId":55453,"journal":{"name":"Asian Journal of Control","volume":"27 3","pages":"1119-1134"},"PeriodicalIF":2.7,"publicationDate":"2024-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/asjc.3509","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143949726","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}
引用次数: 0
Hybrid trajectory tracking control of wheeled mobile robots using predictive kinematic control and dynamic robust control 基于预测运动控制和动态鲁棒控制的轮式移动机器人混合轨迹跟踪控制
IF 2.7 4区 计算机科学
Asian Journal of Control Pub Date : 2024-10-17 DOI: 10.1002/asjc.3503
Fahimeh Kordi, Saleh Mobayen, Hamidreza Rezaalikhani, Javad Nikoukar
{"title":"Hybrid trajectory tracking control of wheeled mobile robots using predictive kinematic control and dynamic robust control","authors":"Fahimeh Kordi,&nbsp;Saleh Mobayen,&nbsp;Hamidreza Rezaalikhani,&nbsp;Javad Nikoukar","doi":"10.1002/asjc.3503","DOIUrl":"https://doi.org/10.1002/asjc.3503","url":null,"abstract":"<p>Trajectory tracking control of wheeled mobile robots (WMRs) is still a remarkable problem for many applications. In the present paper, a hybrid control is presented based on dynamic and kinematic equations of motion for wheeled mobile robots in the presence of the sum of the external disturbances and parametric uncertainty. The designed control for the WMR utilizes control and guidance to reach the reference path. In many studies, a control strategy is normally employed for WMR. However, in this study, hybrid control was used for the mentioned purpose. Akin to other studies, the kinematic control scheme here was based on the predictive control, and the dynamic control scheme was designed based on the robust control. Therefore, in this article, having introduced the kinematic model, a nonlinear predictive control was proved and designed. In the next step, a finite-time integral type terminal sliding mode control (FITSMC) was designed based on the nonlinear dynamic model in order to automatically adjust the control gain and eliminate online disturbances and destructive chattering phenomena completely. In particular, a finite-time disturbance observer was designed to estimate the external disturbances. The proof of the new proposed control scheme was presented using Lyapunov stability theory and numerical results. The mentioned integrated scheme, including predictive control (outer loop) and nonlinear adaptive control (inner loop), ensures the convergence and optimal tracking performance of all signals, as a result of which the tracking errors can arbitrarily converge to the origin in a finite time. In the final step, the simulation results were presented to show the effectiveness of the proposed scheme using MATLAB software, and the introduced control design was compared with a similar controller quantitatively and qualitatively.</p>","PeriodicalId":55453,"journal":{"name":"Asian Journal of Control","volume":"27 3","pages":"1203-1223"},"PeriodicalIF":2.7,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143950310","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}
引用次数: 0
Q-learning-based H∞ control for LPV systems 基于q学习的LPV系统H∞控制
IF 2.7 4区 计算机科学
Asian Journal of Control Pub Date : 2024-10-17 DOI: 10.1002/asjc.3511
Hongye Wang, Jiwei Wen, Haiying Wan, Huiwen Xue
{"title":"Q-learning-based H∞ control for LPV systems","authors":"Hongye Wang,&nbsp;Jiwei Wen,&nbsp;Haiying Wan,&nbsp;Huiwen Xue","doi":"10.1002/asjc.3511","DOIUrl":"https://doi.org/10.1002/asjc.3511","url":null,"abstract":"<p>In this paper, a model-free <i>H</i><sub>∞</sub> control method is developed for discrete-time linear parameter-varying (LPV) systems by leveraging Q-learning, which employs the data encompassing system states, control inputs, exogenous disturbance, and time-varying convex hull rather than the dynamical model known a priori. A policy iteration algorithm presented via linear matrix inequality formed by such collected data is developed with convergence guarantee. Our analysis demonstrates that, in the presence of sufficiently rich disturbances, the attenuation level converges to a lower value than the traditional <i>H</i><sub>∞</sub> control solution derived from an exact LPV model. A numerical example is demonstrated to verify the stabilization, disturbance attenuation, adaptivity, and convergence of the <i>H</i><sub>∞</sub> attenuation level. Moreover, a continuous stirred tank reactor (CSTR) approximated by a discrete-time LPV system is employed to show the practical potential of the developed model-free approach.</p>","PeriodicalId":55453,"journal":{"name":"Asian Journal of Control","volume":"27 3","pages":"1310-1322"},"PeriodicalIF":2.7,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143950309","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}
引用次数: 0
Landing control of a quadrotor on a moving platform with unknown speed in the field of view 四旋翼飞行器在视场内未知速度移动平台上的着陆控制
IF 2.7 4区 计算机科学
Asian Journal of Control Pub Date : 2024-10-16 DOI: 10.1002/asjc.3522
Junyan Li, Chunli Zhu, Yuezu Lv, Lei Chen
{"title":"Landing control of a quadrotor on a moving platform with unknown speed in the field of view","authors":"Junyan Li,&nbsp;Chunli Zhu,&nbsp;Yuezu Lv,&nbsp;Lei Chen","doi":"10.1002/asjc.3522","DOIUrl":"https://doi.org/10.1002/asjc.3522","url":null,"abstract":"<p>This paper proposes a solution for the landing of quadrotor UAV on moving platform with unknown speed. To ensure landing target within the field of view, a feasible region is first defined with the angle between the centroid of quadrotor and target in an expected range. Then an adaptive controller is designed to complete the landing process constrained in the feasible region for all targets with smaller speed than a control gain. Furthermore, to restrain the disturbance of target speed, the controller is improved to regulate landing process with an induced angle. The robust controller restrains the possible oscillation caused by uncertainty of target speed. Both numerical simulations and real-world experiment validated the proposed solution.</p>","PeriodicalId":55453,"journal":{"name":"Asian Journal of Control","volume":"27 3","pages":"1416-1426"},"PeriodicalIF":2.7,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143950276","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}
引用次数: 0
Tuning the controller gains using sensitivity analysis 使用灵敏度分析调整控制器增益
IF 2.7 4区 计算机科学
Asian Journal of Control Pub Date : 2024-10-16 DOI: 10.1002/asjc.3504
Anil Kumar Pal, Sunil Kumar, Shyam Kamal, Henry Leung, Xiaogang Xiong
{"title":"Tuning the controller gains using sensitivity analysis","authors":"Anil Kumar Pal,&nbsp;Sunil Kumar,&nbsp;Shyam Kamal,&nbsp;Henry Leung,&nbsp;Xiaogang Xiong","doi":"10.1002/asjc.3504","DOIUrl":"https://doi.org/10.1002/asjc.3504","url":null,"abstract":"<p>This paper tries to solve the general problem of controller gain tuning. To that end, sensitivity analysis has been utilized. The study provides vital results to extend the usage of sensitivity analysis for the class of finite-time stable dynamics. The controller gain tuning procedure is elaborated by considering the examples of state feedback control and predefined time control. An insight into the selection of the gains or system parameters for these class of systems is presented with the help of sensitivity analysis. The sensitivity of the solution for these class of systems with the variation in the gains or system parameters is studied. Having know-how about the adjustment of these system gains or parameters will be beneficial from the point of view of practical applications. Thus, the proposed approach finds utility in controller gain tuning, which is an important aspect of control design.</p>","PeriodicalId":55453,"journal":{"name":"Asian Journal of Control","volume":"27 3","pages":"1135-1150"},"PeriodicalIF":2.7,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143950274","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}
引用次数: 0
Finite-time practical tracking for a class of high-order nonlinear systems with time-varying full-state constraints via event-triggered control 一类具有时变全状态约束的高阶非线性系统的事件触发控制的有限时间实际跟踪
IF 2.7 4区 计算机科学
Asian Journal of Control Pub Date : 2024-10-16 DOI: 10.1002/asjc.3524
Zhong Guo, Yan Jiang
{"title":"Finite-time practical tracking for a class of high-order nonlinear systems with time-varying full-state constraints via event-triggered control","authors":"Zhong Guo,&nbsp;Yan Jiang","doi":"10.1002/asjc.3524","DOIUrl":"https://doi.org/10.1002/asjc.3524","url":null,"abstract":"<p>The finite-time practical tracking problem is studied for a class of high-order nonlinear systems with time-varying full-state constraints via event-triggered control. In order to remove the feasibility conditions required by the traditional barrier Lyapunov functions (BLFs) method when dealing with state constraints, this paper introduces the nonlinear transformation functions (NTFs) for the states to transform the constrained system into an equivalent unconstrained system. An event-triggered controller is designed with a wider application range and more suitable for the tracking control system by combining the switching threshold event-triggered strategy. The purpose of reducing resource consumption is realized. The finite-time stability of the closed-loop system is proved by the finite-time theory without breaking the state constraints. Finally, numerical and practical examples are given to verify the effectiveness of the proposed results.</p>","PeriodicalId":55453,"journal":{"name":"Asian Journal of Control","volume":"27 3","pages":"1505-1519"},"PeriodicalIF":2.7,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143950261","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}
引用次数: 0
Coefficient-based conditions of matrix-valued real-rational proper negative imaginary functions 矩阵值实有理固有负虚函数的基于系数的条件
IF 2.7 4区 计算机科学
Asian Journal of Control Pub Date : 2024-10-16 DOI: 10.1002/asjc.3521
Qian Zhang, Liu Liu, Yufeng Lu
{"title":"Coefficient-based conditions of matrix-valued real-rational proper negative imaginary functions","authors":"Qian Zhang,&nbsp;Liu Liu,&nbsp;Yufeng Lu","doi":"10.1002/asjc.3521","DOIUrl":"https://doi.org/10.1002/asjc.3521","url":null,"abstract":"<p>This paper mainly gives sufficient coefficient-based conditions of matrix-valued real-rational proper negative imaginary (NI) functions. The proper NI functions can be divided into three cases by relative order, namely, NI functions with relative order 0, 1, and 2. Based on the relationship between NI functions with poles at 0 and without poles at 0, as well as coefficient-based conditions of positive real functions, sufficient coefficient-based conditions are shown of NI functions with relative order 1 and 2. These main results are related to the numerical radius and Crawford number of matrices. Moreover, they are supplements to some existing results. NI functions with relative order 0 can be changed into the case of relative order 1, and the sufficient coefficient-based conditions are also obtained of NI functions with relative order 0. In addition, the coefficient-based conditions can be used to construct interval NI functions, and some examples are given to illustrate the main results.</p>","PeriodicalId":55453,"journal":{"name":"Asian Journal of Control","volume":"27 3","pages":"1594-1601"},"PeriodicalIF":2.7,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143950273","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}
引用次数: 0
Finite-time/fixed-time stability and stabilization of a class of delayed neural networks system with discontinuous activation 一类具有不连续激活的时滞神经网络系统的有限时间/固定时间稳定性与镇定
IF 2.7 4区 计算机科学
Asian Journal of Control Pub Date : 2024-10-16 DOI: 10.1002/asjc.3523
Zhi-Zhou Zhang, Wei-Long Zhao, Yue-Liang Pan, Zheng Zi, Yuan Xie, Jin-Chu Zhang
{"title":"Finite-time/fixed-time stability and stabilization of a class of delayed neural networks system with discontinuous activation","authors":"Zhi-Zhou Zhang,&nbsp;Wei-Long Zhao,&nbsp;Yue-Liang Pan,&nbsp;Zheng Zi,&nbsp;Yuan Xie,&nbsp;Jin-Chu Zhang","doi":"10.1002/asjc.3523","DOIUrl":"https://doi.org/10.1002/asjc.3523","url":null,"abstract":"<p>This paper focuses to analyze the finite-time stability (FNTS) and fixed-time stability (FXTS) of a class of discontinuous neural networks (NNs) with time-varying delays. Firstly, considering the fuzzy logics and discontinuities in the NNs, a novel FNTS/FXTS approach based functional differential inclusion (FDI) theory is proposed. Under the framework of the Filippov state solution, the generalized Lyapunov functional method developed can obtain an indefinite time derivative almost anywhere along the system's state solutions. Some novel FNTS and FXTS analysis of the trivial state solution for FDI are provided. In particular, the settling time (ST) of FNTS/FXTS is presented. For the requirements of FNTS and FXTS, two control laws are designed for the discontinuous delayed neural networks (DNNs), respectively. Finally, the correctness and the advantages of the proposed method are demonstrated through its DNNs applications.</p>","PeriodicalId":55453,"journal":{"name":"Asian Journal of Control","volume":"27 3","pages":"1492-1504"},"PeriodicalIF":2.7,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143950275","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}
引用次数: 0
Optimal attack strategy in system identification with binary-valued observations: An information entropy-based approach 二值观测下系统辨识的最优攻击策略：一种基于信息熵的方法
IF 2.7 4区 计算机科学
Asian Journal of Control Pub Date : 2024-10-15 DOI: 10.1002/asjc.3519
Zhongwei Bai, Ruizhe Jia, Peng Yu, Jin Guo
{"title":"Optimal attack strategy in system identification with binary-valued observations: An information entropy-based approach","authors":"Zhongwei Bai,&nbsp;Ruizhe Jia,&nbsp;Peng Yu,&nbsp;Jin Guo","doi":"10.1002/asjc.3519","DOIUrl":"https://doi.org/10.1002/asjc.3519","url":null,"abstract":"<p>With the advancements in network technology and artificial intelligence, the interaction between network nodes is getting more frequent. The malicious data tampering can be extremely damaging to system stability, therefore the network security is of great importance. In this paper, we address the problem of system identification with binary-valued observations under data tampering attacks and an information entropy-based approach to optimal attack strategy from the viewpoint of attacker. Under the constrained attack energy, a method is proposed to obtain the optimal attack strategy using the information entropy as the optimization index. It is interestingly demonstrated that such optimal attack strategy is equivalent to the one by using the estimation error of the identification algorithm as the optimization index. The rationality of the proposed method is verified through numerical simulations.</p>","PeriodicalId":55453,"journal":{"name":"Asian Journal of Control","volume":"27 3","pages":"1172-1182"},"PeriodicalIF":2.7,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143950558","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}
引用次数: 0
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