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New decentralized control technique based on substructure and LQG approaches

Ying LEI, Ying LIN,

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 4,   Pages 386-392 doi: 10.1007/s11465-009-0041-x

Abstract: A large-scale structure is divided into a set of smaller substructures.

Keywords： substructures     decentralized control     linear quadratic Gaussian (LQG)     Kalman filter     unknown input     least-squares    

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Explicit–Implicit Co-Simulation Techniques for Dynamic Responses of a Passenger Car on Arbitrary Road Surfaces Article

Hongzhou Hu, Zhihua Zhong

Engineering 2019, Volume 5, Issue 6,   Pages 1171-1178 doi: 10.1016/j.eng.2019.09.003

Abstract:

To study the durability of a passenger car, this work investigates numerical simulation techniques. The investigations are based on an explicit–implicit approach in which substructure techniques are used to reduce the simulation time, allowing full vehicle dynamic analyses to be performed on a timescale that is difficult or impossible with the conventional finite element model (FEM). The model used here includes all necessary nonlinearities in order to maintain accuracy. All key components of the car structure are modeled with deformable materials. Tire–road interactions are modeled in the explicit package with contact-impact interfaces with arbitrary frictional and geometric properties. Key parameters of the responses of the car driven on six different kinds of test road surfaces are examined and compared with experimental values. It can be concluded that the explicit–implicit co-simulation techniques used here are efficient and accurate enough for engineering purposes. This paper also discusses the limitations of the proposed method and outlines possible improvements for future work.

Keywords： study     Dynamic responses     Passenger car     Explicit–implicit co-simulation     Contact-impact     Friction     Substructures    

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Synthesis, and Biological Activity of Novel Aromatic Amide Derivatives Containing Sulfide and Sulfone Substructures Article

Xuewen Hua, Nannan Liu, Sha Zhou, Leilei Zhang, Hao Yin, Guiqing Wang, Zhijin Fan, Yi Ma

Engineering 2020, Volume 6, Issue 5,   Pages 553-559 doi: 10.1016/j.eng.2019.09.011

Abstract: nematicidal and fungicidal fluopyram as the molecular skeleton in order to introduce sulfide and sulfone substructures

Keywords： Synthesis     Nematicidal activity     Fungicidal activity     Molecular docking    

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Title Author Date Type Operation

New decentralized control technique based on substructure and LQG approaches

Ying LEI, Ying LIN,

Journal Article

Explicit–Implicit Co-Simulation Techniques for Dynamic Responses of a Passenger Car on Arbitrary Road Surfaces

Hongzhou Hu, Zhihua Zhong

Journal Article

Synthesis, and Biological Activity of Novel Aromatic Amide Derivatives Containing Sulfide and Sulfone Substructures

Xuewen Hua, Nannan Liu, Sha Zhou, Leilei Zhang, Hao Yin, Guiqing Wang, Zhijin Fan, Yi Ma

Journal Article