Longxiang Chen

State Grid Corporation of China (China)

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Meina Xie

Xiamen University

Liugan Zhang

Fujian Agriculture and Forestry University

Guoping Cai

Shanghai Jiao Tong University

Kai Ye

Quanzhou Institute of Equipment Manufacturing Haixi Institute

Kai Ye

Shaanxi Normal University

Wenchao Lan

Quanzhou Institute of Equipment Manufacturing Haixi Institute

Zizhong Chen

University of California, Riverside

Rong Ge

Clemson University

Ziliang Zong

Texas State University

Shi‐Zhu Li

National Institute for Parasitic Diseases

Cooperative Institutions

Chinese Academy of Sciences

Shanghai Jiao Tong University

China Electric Power Research Institute

State Grid Corporation of China (China)

Harbin Institute of Technology

University of California, Riverside

Zhejiang University

University of Chinese Academy of Sciences

Quanzhou Institute of Equipment Manufacturing Haixi Institute

Tsinghua University

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Research on Model Construction and Algorithm of Intelligent Analysis and Fault Diagnosis of Power Equipment

Longxiang Chen Lihua Li Ning Yang Yang Yang

10.1109/icdacai65086.2024.00196

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Active control for a flexible beam with nonlinear hysteresis and time delay

Theoretical and Applied Mechanics Letters (2013)

Kun Liu Longxiang Chen Guoping Cai

A new active control method is presented to attenuate vibrations of a flexible beam with nonlinear hysteresis and time delay. The nonlinear and hysteretic behavior of the system is illustrated by the Bouc—Wen model. By specific transformation and augmentation of state parameters, we can convert the motion equation of the system with explicit time delay to the standard state space representation without any explicit time delay. Then the instantaneous optimal control method and Runge—Kutta method in fourth-order are applied to the controller design with time delay. Finally, in order to verify the effectivity of the time-delay controller proposed, numerical simulations are implemented. It is indicated by the simulation results that the control performance will deteriorate if neglect the time delay in process of the controller design and proposed time delay controller works well with both small and large time delay problems.

Hysteresis

State-space representation

10.1063/2.1306305

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Citations (1)

Experimental Analysis and Cost Assessment of a Novel Variable-Volume Air Storage Device Designed for Compressed Air Energy Storage

Liugan Zhang Chunlei Su Meina Xie Kai Ye Shi‐Zhu Li

Compressed air

10.2139/ssrn.4928412

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Experimental Analysis and Cost Assessment of a Novel Variable-Volume Air Storage Device Designed for Compressed Air Energy Storage

Liugan Zhang Chunlei Su Meina Xie Kai Ye Shi‐Zhu Li

Compressed air

10.2139/ssrn.4953117

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Dynamic simulation of a Re-compressed adiabatic compressed air energy storage (RA-CAES) system

Energy (2022)

Longxiang Chen Liugan Zhang Huipeng Yang Meina Xie Kai Ye

Compressed air

10.1016/j.energy.2022.125351

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Citations (41)

Robust H-infinity Control of Building Structures with Time Delay

The International Journal of Acoustics and Vibration (2017)

Kun Liu Longxiang Chen Guoping Cai Weidong Zhang

In this paper, a robust H ∞ controller for a building structure with a time delay is studied.Firstly, the motion equation of the structural system with an explicit time delay is introduced.Then, the state space representation of a dynamic equation without any explicit time delay is deduced by a specific integral transformation to the time-delay equation.Secondly, a robust control method is applied to the H ∞ time-delay controller design and, due to the compensation of the time delay, the proposed controller contains not only the state term of the current step, but also a linear combination of some former steps of the control.Finally, numerical simulations and comparisons of a six-story building using the proposed time-delay controller are carried out.The simulation results indicate that the control performance will deteriorate if the time delay is not taken into account in the control design.The proposed H ∞ time-delay controller in this paper can effectively compensate for a time delay in order to get better control effectiveness.Besides, this delay controller is robust to both structural parameter and time delay uncertainties.

Infinity

10.20855/ijav.2017.22.1446

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Citations (2)

Compressed air energy storage based on variable-volume air storage: A review

Journal of Energy Storage (2025)

Liugan Zhang Meina Xie Kai Ye Shi‐Zhu Li Longxiang Chen

Compressed air

10.1016/j.est.2025.115361

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Numerical simulation and experimental analysis of ice crystal growth and freezing-centrifugal desalination for seawater with different compositions

Separation and Purification Technology (2022)

Xi Liu Wenchao Lan Kai Ye Wei Han Jincheng Zhang

Brine

Separation process

10.1016/j.seppur.2022.121656

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Citations (21)

Theoretical and experimental analysis of sea ice centrifugal desalination and supercooled water production for slurry ice

Separation and Purification Technology (2024)

Wenchao Lan Xi Liu Meina Xie Kai Ye Longxiang Chen

Supercooling

Degree (music)

10.1016/j.seppur.2024.128272

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Citations (2)

Experimental Study of H∞ Control of Flexible Plate with Time Delay

Shock and Vibration (2013)

Tong Zhao Longxiang Chen Guoping Cai

This paper presents theoretical and experimental studies of H∞ control of a flexible plate with time delay. A matrix inequality used for stability analysis is proposed and proved by using the Lyapunov-Krasovskii functional and free-weighting matrix. An H∞ controller is designed based on the matrix inequality and by using the parameter-adjusting method. Three control scenarios are discussed in detail by transforming the problem into parameters optimization: (i) controller design when maximum time delay of the system is known; (ii) allowable time delay when controller is known; (iii) the biggest allowable time delay to guarantee system stability when controller is unknown. Numerical simulations and experiments are also given to demonstrate the validity and feasibility of the proposed methods in this paper.

Linear matrix inequality

Matrix (chemical analysis)

10.3233/sav-2012-00740

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