Meng Zhang

Xi'an Jiaotong University

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Zhigang Liu

Xi'an Jiaotong University

Yu Zhu

Shandong University of Technology

Abdeljalil Abbas‐Turki

Université de technologie de belfort-montbéliard

Abderrafìâa Koukam

Université de technologie de belfort-montbéliard

Alexandre Lombard

Université de technologie de belfort-montbéliard

Mingfan Bu

Xi'an Jiaotong University

Xiaojun Cheng

Beijing Institute of Nanoenergy and Nanosystems

Xiaofei Chen

Wuhan University

Xiao Jia

Beijing Sport University

Xin Zhang

Harbin Institute of Technology

Cooperative Institutions

Xi'an Jiaotong University

Chongqing University

Hefei University of Technology

Nanjing University of Aeronautics and Astronautics

Chinese Academy of Sciences

Harbin Institute of Technology

Tsinghua University

Georgia Institute of Technology

Tianjin Chengjian University

Northwestern Polytechnical University

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Distributed adaptive control of mobile robots with unknown parameters

2022 34th Chinese Control and Decision Conference (CCDC) (2023)

Xiaojun Cheng Jiangshuai Huang Tingting Gao Song Wang Meng Zhang

In this paper, formation control problem of second-order mobile robots with uncertain model and reference trajectory parameters is investigated. It is assumed that the multiagent systems have the same structure of each subsystem, but the the model parameters are different and unknown, and only some of the systems can obtain the desired trajectory information. For this system, the communication topology of the system is represented by a directed graph, and the local consistency error is introduced. Based on the backstepping method, parameter estimators are designed, which estimate the unknown parameters in the model and the desired trajectory based on limited information, and the adaptive controller is also designed which achieves asymptotically tracking of the robot for the desired trajectory. Finally, the formation control of the multi-agent systems on the desired trajectory is realized through simulation, and the feasibility and effectiveness of the control strategy are verified.

10.1109/ccdc58219.2023.10327357

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An XGBoost-Based Vulnerability Analysis of Smart Grid Cascading Failures under Topology Attacks

2022 IEEE International Conference on Systems, Man, and Cybernetics (SMC) (2021)

Meng Zhang Shan Fu Jun Yan Huiyan Zhang Chenhao Ling

In interconnected industrial control networks like smart grids, topology attacks on physical grids can lead to severe cascading failures and large-scale blackouts. Effective defense on vulnerable devices can significantly reduce the risk of cascading failures and improve overall system robustness. In this paper, we investigate the vulnerability analysis problem from a graph theoretical classification perspective. By calculating a node vulnerability vector composed of features based on complex network theory, node embedding, extended betweenness and power flow distribution, we propose a node vulnerability analysis method based on XGBoost classifier. A cascading failure simulation model based on DC power flow is used to simulate the smart grid behaviours under topology attacks and create the dataset for the XGBoost classifier. The effectiveness of the proposed XGBoost-based method with newly-introduced features is demonstrated by case studies.

Cascading failure

Robustness

Vulnerability

10.1109/smc52423.2021.9658797

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Citations (4)

Design and analysis of a piezo-actuated flexure-based scanning system in ECDLs

Smart Materials and Structures (2019)

Meng Zhang Zhigang Liu Yu Zhu Xin Zhang

The principles and structure of the external cavity diode laser (ECDL) without antireflection coating have been analyzed. The core part of an ECDL is an optical resonator, which is essentially a piezoelectric-based scanning system. This paper presents a novel scanning system that is based on an optimized star flexible hinge to improve the tracking performance and the rotation accuracy of these systems. The motion differential equation and the vibration equation of the piezo-based scanning system are derived using a Lagrangian equation and a Duhamel integral, respectively. Static, kinematic and dynamic models of the scanning system are established and analyzed. The critical dimensional parameters of the system have been calculated and optimized by considering the main parameters. The flexible structure was fabricated using the wire electrical discharge machining technique and heat treatment was performed to improve its mechanical properties. A test platform was built and experiments were then conducted to investigate the system performance. The results show that output displacement of the systems is 15.68 μm corresponding to a 75 V voltage triangle signal. The natural frequency of the system is 2187 Hz. The tuning performance of the ECDL was also tested.

Natural frequency

SIGNAL (programming language)

10.1088/1361-665x/ab3542

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Citations (7)

Autonomous vehicle with communicative driving for pedestrian crossing: Trajectory optimization

Meng Zhang Abdeljalil Abbas‐Turki Alexandre Lombard Abderrafìâa Koukam Kang-Hyun Jo

Connected and autonomous vehicles (CAV) is a key technology for this century. One of the main challenges is to define a smart interaction behavior of CAV with the other road users. The challenge is mainly raised at conflicting points where path of CAV intersects with the other users. Recent studies show interaction with humans is a big challenge. It not only requires a collision avoidance system but also more communicative behaviors of the CAV. More precisely, pedestrian needs to understand the intention of the incoming CAV whether it will cross first or not according to its speed profile. One way to overcome this issue is to design optimal trajectory control of the CAV that matches with the pedestrian expectation. However, such a design faces the non-linearity of the space sharing constraint. This paper uses sequence modeling based on Petri Net in order to overcome the problem. It also uses Hamiltonian analysis to derive the optimal control. Numerical examples of the communicative behavior of CAV at pedestrian crossing show that the proposed approach provides CAV with a kind of automatic courtesy.

10.1109/itsc45102.2020.9294325

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Design and Build of Teaching and Experimental Marine Cold Store

Applied Mechanics and Materials (2014)

Chang Wei He Meng Zhang Xiao Jia Yuan Liu

In the paper, the design scheme of the new cold store is proposed firstly, with the consideration of the latest technology application and the convenience and maneuverability of practical teaching. Then the refrigeration system is designed based on the calculation of the heat load of the cold store. The suited components such as compressor, evaporator, condenser and expansion valve are selected and the electrical system is designed. After that the whole unit is installed and adjusted to make sure that the installation is propitious to improve the system performance and convenient for training. Finally the thermal performance of the new cold store system is tested and compared with the old system test. The result shows that the matching of the new refrigeration system is reasonable and the new cold store is up to the mustard. With the help of training on the cold store, the students will meet the essential requirements of STCW 78/95 convention on application and management of the marine cold store.

Thermal expansion valve

Condenser (optics)

Cold chain

10.4028/www.scientific.net/amm.556-562.907

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Citations (2)

Enhanced anti-fouling performance through integrated coagulation and membrane co-deposition modification for sustainable water treatment

Separation and Purification Technology (2025)

Ying Liu Shan Gong Meng Zhang Xinbo Zhang Huizhong Wang

Membrane Fouling

Deposition

10.1016/j.seppur.2025.131407

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Transmission Attenuation of 110kv Asymmetric Transmission Lines Based on Measured Data

IOP Conference Series Materials Science and Engineering (2019)

Songling Pang Fali Tan Hailong Zhao Meng Zhang Jian Liao

Abstract The characteristic of traveling wave transmission has great influence on the location precision of the fault point. In order to accurately evaluate the transmission and attenuation characteristic of actual traveling wave on transmission lines, a typical asymmetric arrangement 110kV transmission line is selected as the research object. First, the parameters of the transmission line are calculated, and the traveling wave decoupling algorithm is derived. Then, the traveling wave current collected by the distributed traveling wave monitoring system on the line is analyzed. The results show that for a short distance asymmetric 110kV line, it can be decoupled by the conventional decoupling balance line method, and the coupling component ratio is less than 2% after decoupling. With the increase of transmission distance, the attenuation degree of traveling wave increases. When the transmission distance is 60km, the attenuation of line mode is 21.2% and the zero mode attenuation is 50.4%.

Decoupling (probability)

10.1088/1757-899x/486/1/012125

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Modeling and analysis of a thrust anti-torque sensing actuator

International Journal of Applied Electromagnetics and Mechanics (2022)

Guoliang Ma Meng Zhang Hongxi Wang Siyang Song

In the field of intelligent drive and sense, the traditional actuator can realize linear actuation and lacks sensing function. Therefore, a new sensing actuator is designed, which can not only output force and displacement, but also have thrust anti-torque sensing function. Firstly, the model of piezoelectric actuator is designed, and the geometric and mechanical models are established. Furthermore, the geometric relationship of mechanical and electrical parameters is analyzed. Secondly, the optimal included angles are determined after finite element analysis and optimization. Finally, the maximum output displacement is obtained through finite element analysis, and the maximum strain position is pointed out. Besides, the rotational stiffness is obtained. The results show that the modeling method and simulation results are accurate.

Rotary actuator

Position (finance)

10.3233/jae-220097

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Inverse Rate-Dependent Rayleigh Model Based Feedforward Control for Piezoelectric-Driven Mechanism

IEEE Access (2020)

Meng Zhang Zhigang Liu Yu Zhu

In this article, a novel feedforward control method is proposed to control the hysteretic nonlinearity and resonance in piezoelectric-driven mechanism. A third-order rate-dependent Rayleigh model is established according to voltage dependence and rate dependence tests using sinusoidal and triangular waveform signals. In order to verify the accuracy of this model, the tracking errors of the Rayleigh model are analyzed and a comparison of the 3D Rayleigh model and the experimental data is visualized. The modeling accuracy of Rayleigh model in minor loops is also analyzed quantitatively. The hysteresis compensation Rayleigh model is then derived based on the energy compensation method. To control the mechanical resonance in piezoelectric-driven mechanism, a triangular input signal trajectory optimization method is developed based on minimum-acceleration trajectory planning theory. The turning parts of the triangular waveform signal are replaced with smooth curves but the linear parts are retained. Experiments are conducted to demonstrate the effectiveness of the proposed control method.

Feed forward

SIGNAL (programming language)

10.1109/access.2020.3033845

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Citations (2)

Connected and Autonomous Vehicles cooperate with the pedestrian in industrial sites based on trajectory optimization and vehicle signalization system.

IV (2020)

Meng Zhang Abdeljalil Abbas‐Turki Alexandre Lombard Abderrafìâa Koukam

Connected and autonomous vehicles (CAV) is the development trend in the field of transportation systems. Recent studies show that the resources sharing between pedestrians and CAV is a big challenge. Considering traffic safety and efficiency at that sharing point not only requires a collision avoidance system but also more communicative behaviors of the CAV. More precisely, pedestrian needs to understand the intention of the incoming CAV whether it will cross first or not according to its speed profile. This paper uses the optimal trajectory control to provide CAV with a communicative behavior. A scenario where CAV and pedestrian cooperate together to cross a conflict zone is studied. A communicative CAV behavior is designed through an objective function. Hamiltonian analysis is used to derive the optimal control for the CAV. Based on Oculus virtual reality platform, the proposed approach is tested and the behavior of cars and pedestrians are studied. The tests show that this approach provides CAVs with a kind of automatic courtesy.

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