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学者姓名：陈阳舟
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Abstract ：
In this paper, consensus analysis and design are investigated for discrete-time multi-agent systems (MASs) with consecutive packet losses in communication links of directed communication topology. It is assumed that at each transmitted instant, the packet loss is stochastic and described by Bernoulli distribution, but during a given time window, the data could be successfully transmitted to the agent from each of its neighbors. First, we utilize the incidence matrix of a directed spanning tree of the communication topology to construct a linear transformation matrix so that the consensus problem is equivalently transformed into a mean square asymptotic stability problem of a reduced-order system. Second, by using Lyapunov-Krasovskii functional approach, we derive some sufficient conditions of consensus criterion in terms of linear matrix inequalities (LMIs). These conditions express the relationship among the control gain matrix, packet loss rate, and the number of consecutive packet losses. Based on the conditions, gain matrix in the consensus protocol is designed to guarantee the MAS with stochastic packet losses to achieve mean square asymptotic consensus. Moreover, for the special case of undirected communication topology, by using the matrix decomposition method, the variables of LMIs are transformed into the low-order conditions independent of the network size. Finally, some numerical examples are given to show the effectiveness of the proposed method.
Keyword ：
Consensus Consensus linear transformation linear transformation discrete-time multi-agent systems discrete-time multi-agent systems packet losses packet losses directed spanning tree directed spanning tree
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| GB/T 7714 | Chen, Bing , Chen, Yangzhou , Zhan, Jingyuan . Consensus of discrete-time multi-agent systems with consecutive packet losses in directed communication topology [J]. | TRANSACTIONS OF THE INSTITUTE OF MEASUREMENT AND CONTROL , 2023 , 45 (10) : 1829-1841 . |
| MLA | Chen, Bing 等. "Consensus of discrete-time multi-agent systems with consecutive packet losses in directed communication topology" . | TRANSACTIONS OF THE INSTITUTE OF MEASUREMENT AND CONTROL 45 . 10 (2023) : 1829-1841 . |
| APA | Chen, Bing , Chen, Yangzhou , Zhan, Jingyuan . Consensus of discrete-time multi-agent systems with consecutive packet losses in directed communication topology . | TRANSACTIONS OF THE INSTITUTE OF MEASUREMENT AND CONTROL , 2023 , 45 (10) , 1829-1841 . |
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Abstract ：
This paper is concerned with the problem of fault estimation and fault-tolerant consensus tracking control for Lipschitz nonlinear multi-agent systems subject to external disturbance. In order to improve the communication efficiency of main network channels, two periodic event-triggered mechanisms are developed between sensor to observer and observer to controller, respectively. An event-triggered fault observer is developed to estimate existing faults and the estimated result is used for the design of a fault-tolerant controller to ensure system security. According to Lyapunov-Krasovskii theorem and the free-weighting matrix technique, the model gains of the observer and the controller can be obtained by solving a series of bilinear matrix inequalities (BMIs). To address the difficulty associated with BMIs, two iterative algorithms based on linear matrix inequalities (LMIs) are developed. Finally, a simulation example of satellite vehicles is given to illustrate the effectiveness of the obtained theoretical results.
Keyword ：
Fault estimation Fault estimation Security Security multi-agent systems multi-agent systems Fault tolerance Fault tolerance periodic event-triggered mechanism periodic event-triggered mechanism Estimation Estimation Multi-agent systems Multi-agent systems Observers Observers fault-tolerant tracking control fault-tolerant tracking control Fault tolerant systems Fault tolerant systems Iron Iron
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| GB/T 7714 | Li, Shanglin , Chen, Yangzhou , Liu, Peter Xiaoping . Fault Estimation and Fault-Tolerant Tracking Control for Multi-Agent Systems With Lipschitz Nonlinearities Using Double Periodic Event-Triggered Mechanism [J]. | IEEE TRANSACTIONS ON SIGNAL AND INFORMATION PROCESSING OVER NETWORKS , 2023 , 9 : 229-241 . |
| MLA | Li, Shanglin 等. "Fault Estimation and Fault-Tolerant Tracking Control for Multi-Agent Systems With Lipschitz Nonlinearities Using Double Periodic Event-Triggered Mechanism" . | IEEE TRANSACTIONS ON SIGNAL AND INFORMATION PROCESSING OVER NETWORKS 9 (2023) : 229-241 . |
| APA | Li, Shanglin , Chen, Yangzhou , Liu, Peter Xiaoping . Fault Estimation and Fault-Tolerant Tracking Control for Multi-Agent Systems With Lipschitz Nonlinearities Using Double Periodic Event-Triggered Mechanism . | IEEE TRANSACTIONS ON SIGNAL AND INFORMATION PROCESSING OVER NETWORKS , 2023 , 9 , 229-241 . |
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Abstract ：
In this paper, the periodic event-triggered consensus problem for linear multiagent systems (MASs) with random packet dropouts in a generic directed communication topology is addressed. Both leaderless and leader-following mean square consensus problems, where the random packet dropouts are described by a Bernoulli-distributed sequence, are considered. To solve these problems, a linear transformation matrix is constructed from a given directed spanning tree of the communication topology of the MASs, which equivalently transforms the mean square consensus problem into the corresponding mean square asymptotic stability problem of the derived reduced-order systems with constraints. Then, mean square consensus criteria are derived using the Lyapunov stability theory, which is expressed in terms of linear matrix inequalities (LMIs) concerning the sampling period, the packet dropout probability, and the control gain matrix. To reduce the information updating number, an event-triggered mechanism is designed with fewer unknown parameters. Finally, numerical simulations are given to verify the effectiveness of the theoretical results.
Keyword ：
periodic event-triggered mechanism periodic event-triggered mechanism Directed communication topology Directed communication topology linear multiagent system linear multiagent system leaderless and leader-following consensus leaderless and leader-following consensus random packet dropouts random packet dropouts
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| GB/T 7714 | Chen, Bing , Chen, Yangzhou , Zhan, Jingyuan . Periodic Event-triggered Consensus of Multiagent Systems Under Random Packet Dropouts [J]. | INTERNATIONAL JOURNAL OF CONTROL AUTOMATION AND SYSTEMS , 2023 , 21 (9) : 2938-2949 . |
| MLA | Chen, Bing 等. "Periodic Event-triggered Consensus of Multiagent Systems Under Random Packet Dropouts" . | INTERNATIONAL JOURNAL OF CONTROL AUTOMATION AND SYSTEMS 21 . 9 (2023) : 2938-2949 . |
| APA | Chen, Bing , Chen, Yangzhou , Zhan, Jingyuan . Periodic Event-triggered Consensus of Multiagent Systems Under Random Packet Dropouts . | INTERNATIONAL JOURNAL OF CONTROL AUTOMATION AND SYSTEMS , 2023 , 21 (9) , 2938-2949 . |
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Abstract ：
This article studies the problem of cooperative control of heterogeneous vehicles in a platoon. First, a novel predictive spacing strategy (PSS) is proposed for vehicles that are described by a third-order heterogeneous dynamics model. The PSS utilizes the current velocity information of each vehicle to predict its travel distance forward, thereby enhancing the control performance of the vehicle platoon. Second, the vehicle platooning problem is equivalently transformed into a leader-following consensus (LFC) for multi-vehicle system by introducing new variables, and in this way a distributed linear control protocol with a generalized structure is proposed. Then, we cleverly employ a linear transformation based on a directed spanning tree (DST) to further convert the consensus problem into an asymptotic stability problem with partial variables of the equivalent system. On this basis, the conditions for achieving platoon control in the multi-vehicle system are derived in conjunction with the partial stability theory, and the conditions for the system to satisfy string stability are further deduced. In addition, a method for solving the gain matrix in the control protocol is elaborated. Finally, the effectiveness of the proposed PSS and the designed protocol is verified by numerical simulation.
Keyword ：
Heterogeneous vehicle platoon Heterogeneous vehicle platoon leader-following consensus (LFC) leader-following consensus (LFC) linear transformation linear transformation partial stability partial stability predictive spac-ing strategy (PSS) predictive spac-ing strategy (PSS) string stability string stability
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| GB/T 7714 | Chen, Yangzhou , Yan, Bingzhuang . Vehicle Platoon Control Based on Third-Order Heterogeneous Model and Predictive Spacing Strategy [J]. | IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS , 2023 . |
| MLA | Chen, Yangzhou 等. "Vehicle Platoon Control Based on Third-Order Heterogeneous Model and Predictive Spacing Strategy" . | IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS (2023) . |
| APA | Chen, Yangzhou , Yan, Bingzhuang . Vehicle Platoon Control Based on Third-Order Heterogeneous Model and Predictive Spacing Strategy . | IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS , 2023 . |
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Abstract ：
Accurate and efficient short-term traffic flow prediction is one of the basic guarantees for solving various traffic problems. According to the road network topology and the temporal and spatial correlation of traffic flow, a multi-step road network speed prediction method based on graph convolution-long short-term memory neural network (GCLSTM) is proposed. Firstly, the weight parameters of the convolutional layer are designed to increase the connection between the convolutional layers. Convolutional layer is embedded in the gating unit of long short-term memory neural network (LSTM) to achieve the effect of capturing the spatial and temporal correlation at the same time. Secondly, an encoder and decoder structure is used to realize multi-step prediction. The structure gradually increase the output sequence length to improve the efficiency of model training. Finally, ablation experiments and comparison experiments are performed on the expressway dataset and the urban road dataset. The ablation experiments show that the error index of the hybrid network prediction model is significantly reduced. The comparative experiments exhibit that the GCLSTM prediction model has higher multi-step prediction accuracy and better prediction performance at a single observation point. This model provides accurate prediction information for intelligent transportation.
Keyword ：
intelligent transportation intelligent transportation short-term traffic flow prediction short-term traffic flow prediction hybrid network hybrid network spatiotemporal correlation spatiotemporal correlation
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| GB/T 7714 | Liang, Chaoqiang , Chen, Yangzhou , Shi, Zeyu . Multi-step Road Network Speed Prediction Based on Graph Convolution Long Short-Term Memory Neural Network [J]. | 2022 IEEE 7TH INTERNATIONAL CONFERENCE ON INTELLIGENT TRANSPORTATION ENGINEERING, ICITE , 2022 : 278-283 . |
| MLA | Liang, Chaoqiang 等. "Multi-step Road Network Speed Prediction Based on Graph Convolution Long Short-Term Memory Neural Network" . | 2022 IEEE 7TH INTERNATIONAL CONFERENCE ON INTELLIGENT TRANSPORTATION ENGINEERING, ICITE (2022) : 278-283 . |
| APA | Liang, Chaoqiang , Chen, Yangzhou , Shi, Zeyu . Multi-step Road Network Speed Prediction Based on Graph Convolution Long Short-Term Memory Neural Network . | 2022 IEEE 7TH INTERNATIONAL CONFERENCE ON INTELLIGENT TRANSPORTATION ENGINEERING, ICITE , 2022 , 278-283 . |
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Abstract ：
Tunnel LED lighting system is an important infrastructure to ensure the safety and comfort of driving in highway tunnels. In this paper, an automatic robust detection of lighting LED lamps in highway tunnels based on vehicle-mounted video processing is proposed. By analyzing the geometric structure of the interior road environment in tunnels, this method includes the following three aspects. Firstly, the front-vehicle vanishing point is detected by using the M-estimator sample and consensus (MSAC) algorithm, just with the set of significant parallel lines extracted using the LSD (Line Segment Detector) operator. Secondly, after the dark region on the top of the tunnel is accurately segmented, an image segmentation algorithm based on adaptive threshold is adopted, realizing the LED lamp candidate region detection. Thirdly, this paper proposes post-processing methods to ensure the accurate detection of LED lamps in complex scenes with highlight-interference in the tunnel. The experimental results show that this method can robustly detect the LED lamps in the tunnel under complex conditions with high accuracy, which can meet the needs of efficient acceptance inspection and daily maintenance of tunnel LED lighting system.
Keyword ：
Tunnel Lighting System Tunnel Lighting System Front-vehicle Vanishing Point Front-vehicle Vanishing Point On-board Video Processing On-board Video Processing Adaptive Threshold Segmentation Adaptive Threshold Segmentation Robust Detection of Lighting LEDs Robust Detection of Lighting LEDs
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| GB/T 7714 | Xin, Le , Shi, Zeyu , Chen, Yangzhou . Robust Detection of Lighting LEDs by Analyzing the Geometric Structure of the Tunnel Interior Environment in Vehicle-Mounted Video Sequences [J]. | 2021 PROCEEDINGS OF THE 40TH CHINESE CONTROL CONFERENCE (CCC) , 2021 : 3327-3333 . |
| MLA | Xin, Le 等. "Robust Detection of Lighting LEDs by Analyzing the Geometric Structure of the Tunnel Interior Environment in Vehicle-Mounted Video Sequences" . | 2021 PROCEEDINGS OF THE 40TH CHINESE CONTROL CONFERENCE (CCC) (2021) : 3327-3333 . |
| APA | Xin, Le , Shi, Zeyu , Chen, Yangzhou . Robust Detection of Lighting LEDs by Analyzing the Geometric Structure of the Tunnel Interior Environment in Vehicle-Mounted Video Sequences . | 2021 PROCEEDINGS OF THE 40TH CHINESE CONTROL CONFERENCE (CCC) , 2021 , 3327-3333 . |
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Abstract ：
This study presents a distributed observer-based H infinity consensus control for general linear multi-agent systems under measurement noises and external disturbances. By using the state linear transformation with the matrix constructed from the incidence matrix of a virtual chained directed spanning tree, we transform the observer-based consensus problem into an asymptotic stability problem of a corresponding augmented linear system. The augmented linear system consists of the reduced-order system deduced from dynamic equations of the agents and state estimation error system. Based on asymptotic stability of the augmented linear system, we present some sufficient conditions in terms of linear matrix inequalities for the existence of the distributed observer-based H infinity consensus controller. Finally, the effectiveness of the proposed approach is illustrated by a numerical example.
Keyword ：
robust observer robust observer stability stability multi-agent systems multi-agent systems LMI LMI consensus protocol consensus protocol
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| GB/T 7714 | Huang, Xiaolong , Chen, Yangzhou , Zhan, Jingyuan . Observer-based H infinity consensus control for multi-agent systems with measurement noises and external disturbances [J]. | INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL , 2021 , 32 (1) : 344-357 . |
| MLA | Huang, Xiaolong 等. "Observer-based H infinity consensus control for multi-agent systems with measurement noises and external disturbances" . | INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL 32 . 1 (2021) : 344-357 . |
| APA | Huang, Xiaolong , Chen, Yangzhou , Zhan, Jingyuan . Observer-based H infinity consensus control for multi-agent systems with measurement noises and external disturbances . | INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL , 2021 , 32 (1) , 344-357 . |
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Abstract ：
To describe the dynamics of traffic flow in the urban link accurately, the waves which generate at intersections are adopted as the influencing factors of traffic flow. Based on the urban traffic waves, a wave-oriented variable cell transmission model (WVCTM) is proposed to illustrate the urban traffic flow. In this model, the average density and length are the state variables. The cells are divided by traffic waves. The upstream cell is the influence area of the waves at the upstream intersection, the downstream cell is the influence area of the waves at the downstream intersection, and the rest is the mediate cell. Consistent with the fundamental diagram and the cell division, the traffic states of urban links are divided into six modes. The variation of modes is explained by hybrid automata. Finally, an experiment is designed to verify the feasibility of WVCTM. The data in the experiment come from the actual scene. Compared with the cell transmission model (CTM) and variable-length CTM (VCTM), WVCTM possesses the valuable performance to predict the traffic states. Likewise, it is rational that WVCTM can correctly illustrate the urban traffic flow.
Keyword ：
wave-oriented variable models wave-oriented variable models cell transmission model cell transmission model Traffic flow model Traffic flow model urban transportation urban transportation cell division cell division
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| GB/T 7714 | Shi, Zeyu , Chen, Yangzhou , Zhan, Jingyuan et al. A wave-oriented variable cell transmission model in an urban road [J]. | MODERN PHYSICS LETTERS B , 2021 , 35 (36) . |
| MLA | Shi, Zeyu et al. "A wave-oriented variable cell transmission model in an urban road" . | MODERN PHYSICS LETTERS B 35 . 36 (2021) . |
| APA | Shi, Zeyu , Chen, Yangzhou , Zhan, Jingyuan , Guo, Xiangyu , An, Shuke . A wave-oriented variable cell transmission model in an urban road . | MODERN PHYSICS LETTERS B , 2021 , 35 (36) . |
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Abstract ：
This paper investigates the event-triggered consensus control problem for multi-agent systems with Markov switching topologies. By a linear transformation method, the mean-square consensus problem under event-triggered protocol is transformed into the mean-square stability problem subject to a certain constraint condition. Then by constructing Lyapunov function and employing the weak infinitesimal operator, the mode-dependent consensus controller gains are designed in terms of a bilinear matrix inequality. In order to write bilinear matrix inequality as a set of linear matrix inequalities, three kinds of iterative algorithms are developed. Finally, a simulation example is provided to verify the validity of the presented algorithms.
Keyword ：
Event-triggered consensus Event-triggered consensus Linear transformation Linear transformation Markov switching topologies Markov switching topologies Multi-agent systems Multi-agent systems
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| GB/T 7714 | Li, Shanglin , Chen, Yangzhou , Zhan, Jingyuan . Event-triggered consensus control for multi-agent systems with Markov switching topologies [J]. | 2021 PROCEEDINGS OF THE 40TH CHINESE CONTROL CONFERENCE (CCC) , 2021 : 5258-5263 . |
| MLA | Li, Shanglin et al. "Event-triggered consensus control for multi-agent systems with Markov switching topologies" . | 2021 PROCEEDINGS OF THE 40TH CHINESE CONTROL CONFERENCE (CCC) (2021) : 5258-5263 . |
| APA | Li, Shanglin , Chen, Yangzhou , Zhan, Jingyuan . Event-triggered consensus control for multi-agent systems with Markov switching topologies . | 2021 PROCEEDINGS OF THE 40TH CHINESE CONTROL CONFERENCE (CCC) , 2021 , 5258-5263 . |
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Abstract ：
This study deals with the problem of gain-scheduled robust control for multi-agent linear parameter varying (LPV) systems with or without communication delays. The system matrices are assumed to depend on the scheduling parameters, which are supposed to be time-varying within a priori known bounds. First, a linear transformation matrix is constructed from the directed spanning tree of the communication topology of the agents, which equivalently transforms the robust consensus control problem of multi-agent LPV systems into the robust stability problem of a set of parameter-dependent systems. What's more, the effect of the time-varying communication delays is considered, and consensus condition in terms of linear matrix inequalities (LMIs) is derived by using the parameter-dependent Lyapunov-Krasovskii approach. Then, the control gain matrices are obtained through solving a convex optimization problem. Finally, a numerical example is provided to illustrate the effectiveness of the proposed method.
Keyword ：
multi-agent systems multi-agent systems consensus consensus gain-scheduled robust control gain-scheduled robust control linear parameter-varying system linear parameter-varying system communication delay communication delay
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| GB/T 7714 | Chen, Yangzhou , Huang, Xiaolong , Zhan, Jingyuan . Gain-scheduled robust control for multi-agent linear parameter-varying systems with communication delays [J]. | INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL , 2021 , 32 (2) : 792-806 . |
| MLA | Chen, Yangzhou et al. "Gain-scheduled robust control for multi-agent linear parameter-varying systems with communication delays" . | INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL 32 . 2 (2021) : 792-806 . |
| APA | Chen, Yangzhou , Huang, Xiaolong , Zhan, Jingyuan . Gain-scheduled robust control for multi-agent linear parameter-varying systems with communication delays . | INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL , 2021 , 32 (2) , 792-806 . |
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