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1. Funnel Control of Lower-Triangular Nonlinear Systems With Singular Input-output Links | |||
Hai Liu,Yong-Hua Liu,Chun-Yi Su | |||
Electrics, Communication and Autocontrol Technology 08 March 2024 | |||
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Abstract:In this article, we delve into the issue of output tracking control with predefined transient behavior for lower-triangular nonlinear systems (LTNSs), especially when faced with the presence of unknown nonlinearities. Unlike the results in the current state of the art, the LTNS under consideration exhibits singular input-output links, which is inherently not feedback linearizable. This general characteristic significantly complicates the controller design process, rendering the tool of adding one power integrator (AOPI) ineffective. In response to this challenge, we develop a novel funnel control (FC) algorithm that ingeniously leverages the bilateral barrier functions (BBFs) alongside the $\varrho-\delta$ definition of limit, to meet predefined transient performance specifications of the output tracking. To validate the efficacy of the proposed FC approach, we conduct a comprehensive evaluation of key performance metrics, including tracking error and transient response. | |||
TO cite this article:Hai Liu,Yong-Hua Liu,Chun-Yi Su. Funnel Control of Lower-Triangular Nonlinear Systems With Singular Input-output Links[OL].[ 8 March 2024] http://en.paper.edu.cn/en_releasepaper/content/4762514 |
2. Observer-based H∞ Event-triggered Control for Piecewise Affine Systems | |||
JIANG Yong-Hao,WU wei,WU wei | |||
Electrics, Communication and Autocontrol Technology 13 January 2020 | |||
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Abstract:This paper investigates output-based H∞ event-triggered control for piecewise affine systems. Firstly, to cope with the situation that the system states are not completely measurable, an observer is designed. Then based on the observer and the system output, an event-triggering mechanism as well as the feedback controller are proposed. The output space partition of the piecewise affine system is approximated by degenerate ellipsoids. Based on the piecewise Lyapunov function, the co-design problem of the observer, the controller and the event-triggering rule is transformed into an LMI-based sufficient condition. The observer and the controller can be obtained by solving a set of LMIs. The stability of the closed-loop system is guaranteed and meanwhile the number of the transmission can be significantly reduced. Finally, a numerical example is provided to illustrate the effectiveness of the proposed approach. | |||
TO cite this article:JIANG Yong-Hao,WU wei,WU wei. Observer-based H∞ Event-triggered Control for Piecewise Affine Systems[OL].[13 January 2020] http://en.paper.edu.cn/en_releasepaper/content/4750414 |
3. Analysis of a Serial Production Line with Single Part-Type and Multiple Parallel-Machine Workstations | |||
WANG Zheng,YOU Jia,MU Hualing | |||
Electrics, Communication and Autocontrol Technology 25 April 2017 | |||
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Abstract:In this paper, we develop a method of analyzing a serial production line with single part-type and multiple parallel-machine workstations, which has not been paid much attention to in existing literature. At first, we analyze a short line with one parallel-machine workstation and two buffers by constructing its probability balance equation based on a Markov chain model, and evaluating its performances such as throughput and work-in-process level. Then a decomposition-based algorithm is developed for the analysis of a long line with multiple parallel-machine workstations by using the result of short line analysis as building block. Our method is different from traditional decomposition-based method in that our decomposition is workstation-centered while the traditional one is buffer-centered. Numerical experiments shows that result of performance evaluation by using the proposed method is quite close to those obtained by simulation, and our method is much less time-consuming. | |||
TO cite this article:WANG Zheng,YOU Jia,MU Hualing. Analysis of a Serial Production Line with Single Part-Type and Multiple Parallel-Machine Workstations[OL].[25 April 2017] http://en.paper.edu.cn/en_releasepaper/content/4727010 |
4. Dynamic Scheduling of a One-of-a-Kind Production System | |||
WANG Zheng,HUANG Wenjie | |||
Electrics, Communication and Autocontrol Technology 25 April 2017 | |||
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Abstract:In this research, we investigate the dynamic scheduling problem of a one-of-a-kind production (OKP) system with RFID devices. Here, dynamic scheduling means that we schedule every operation of every product according to its real-time state to minimize the average sojourn time of products. To solve this problem, we model the dynamics of an OKP system by reconfigurable timed Petri net, and then develop the difference equations to capture its dynamics, in which the remained workload of products are state variables and the production rates are control variables. A dynamic production scheduling policy is constructed by constructing desired trajectories of the remained workloads for all the products and designing a genetic algorithm-based method to track the desired trajectories. Numerical experiments show that the average sojourn time of the products in the OKP system under the proposed dynamic scheduling algorithm is much shorter than the average sojourn time under traditional scheduling rules. | |||
TO cite this article:WANG Zheng,HUANG Wenjie. Dynamic Scheduling of a One-of-a-Kind Production System[OL].[25 April 2017] http://en.paper.edu.cn/en_releasepaper/content/4727007 |
5. Dynamic output feedback control for stochastic networked control systems based on periodic event-triggered mechanism | |||
Mali Xing, Feiqi Deng | |||
Electrics, Communication and Autocontrol Technology 15 December 2016 | |||
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Abstract:In this paper, the event-triggered dynamic output feedback control for stochastic networked control system is investigated. The measurement output signal is periodically sampled but aperiodically transmitted. Under the periodic event-triggered mechanism, both impulsive system method and time-delay system method are utilized to model the stochastic networked control system, then the corresponding stability criteria are obtained. Based on the stability criteria, the suitable output-based controller and event-triggered parameters are co-designed. An air vehicle system is presented to illustrate the efficiency of the proposed control method. | |||
TO cite this article:Mali Xing, Feiqi Deng. Dynamic output feedback control for stochastic networked control systems based on periodic event-triggered mechanism[OL].[15 December 2016] http://en.paper.edu.cn/en_releasepaper/content/4713609 |
6. Experimental Research of Vehicle-Platoon Coordination Control Based on TORCS Platform | |||
Xu Zhixiang,Jiang Jiemei,Liu Yonggui | |||
Electrics, Communication and Autocontrol Technology 25 May 2016 | |||
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Abstract:This paper is an experimental research of vehicle-platoon coordination control based on TORCS platform (The Open Racing Vehicle Simulator). First, the experiment platform is established according to research requirements. Then, an a great deal of experiments is taken to find out the practical algorithms of team coordination control. Finally, the combination of PD control algorithm and the algorithm that the parameters of the differentiation element change along with the derivation of distance between two vehicles is the practical algorithm, which is able to control a vehicle platoon successfully. | |||
TO cite this article:Xu Zhixiang,Jiang Jiemei,Liu Yonggui. Experimental Research of Vehicle-Platoon Coordination Control Based on TORCS Platform[OL].[25 May 2016] http://en.paper.edu.cn/en_releasepaper/content/4692099 |
7. Distributed Fault Detection and Isolation for Multi-agent Systems Using Relative Information | |||
Yan Li,Hao Fang,Jie Chen | |||
Electrics, Communication and Autocontrol Technology 25 December 2015 | |||
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Abstract:In this paper, a distributed fault detection and isolation (FDI) strategy, based on the output estimation, is proposed for a class of linear multi-agent systems using only relative information. By applying a series of model transformations, a new distributed fault detection model which can estimate the neighbours' nominal outputs by solving linear system equations is created. By considering the group dominance of nodes undertaking a shared task, a novel event-triggered communication framework exchanging the residual between the actual output and the estimated nominal one in local subsystems is designed to improve the reliability of the fault detection result. A simulation of multi-vehicles undertaking formation control with FDI strategies is given at last. | |||
TO cite this article:Yan Li,Hao Fang,Jie Chen. Distributed Fault Detection and Isolation for Multi-agent Systems Using Relative Information[OL].[25 December 2015] http://en.paper.edu.cn/en_releasepaper/content/4673351 |
8. Necessary and sufficient condition for stochastical stability of positive Markov jump linear systems | |||
CHEN Ying, BO Yu-ming, ZHANG Jie | |||
Electrics, Communication and Autocontrol Technology 30 November 2015 | |||
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Abstract:This paper addresses the stochastical stability problem of positive Markov jump linear system. In particular, a necessary and sufficient condition for this problem is given which can be checked by solving linear programming feasibility problems due to the positivity property. At last, two numerical examples are presented to show the effectiveness of the proposed results. | |||
TO cite this article:CHEN Ying, BO Yu-ming, ZHANG Jie. Necessary and sufficient condition for stochastical stability of positive Markov jump linear systems[OL].[30 November 2015] http://en.paper.edu.cn/en_releasepaper/content/4667162 |
9. Event-Based H∞ Control of Platoon Control Systems with Network-Induced Delays and External Disturbances | |||
SHAO Siyuan,BO Yuming | |||
Electrics, Communication and Autocontrol Technology 19 November 2015 | |||
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Abstract:In this paper, an event-triggered control problem in array-like autonomous platoon control system with network-induced delay is investigated. Firstly, a novel six-order linear kinematic model of each autonomous vehicle and a novel state error model of array-like autonomous platoon control system are constructed. Secondly, the corresponding delay system is modelled. Then, by employing the constructed model and Lyapunov functional approach, a co-design method of both the H_infinity controller and the parameters of event-triggered condition for each following vehicle is proposed. The feedback gain matrix and the event-triggering matrix corresponding to each autonomous vehicle can be obtained by employing LMI technique. Finally, a simulation example is presented to demonstrate the effectiveness of the proposed co-design method. | |||
TO cite this article:SHAO Siyuan,BO Yuming. Event-Based H∞ Control of Platoon Control Systems with Network-Induced Delays and External Disturbances[OL].[19 November 2015] http://en.paper.edu.cn/en_releasepaper/content/4663519 |
10. Stability of Multi-rate Networked Control Systems | |||
SUN Jian | |||
Electrics, Communication and Autocontrol Technology 06 November 2014 | |||
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Abstract:This paper is concerned with the stability of a class of multi-rate networked control systems which incorporate a remote controller and a local controller. These two controllers are implemented at different frequencies to reduce the network transmission delay and achieve good control performance. Sufficient and necessary stability conditions are established when the network transmission delay is constant or periodic. When the network transmission delay is time-varying, sufficient stability conditions are derived in terms of linear matrix inequality (LMI). Numerical examples are given to illustrate the effectiveness of the proposed results. | |||
TO cite this article:SUN Jian. Stability of Multi-rate Networked Control Systems[OL].[ 6 November 2014] http://en.paper.edu.cn/en_releasepaper/content/4617059 |
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