Zhizhong Li

Topology Optimization of Functionally‐Graded Lattice Structures Under Multiple Loading Conditions for Enhanced Stiffness and Robustness

Bing Yi, Zhizhong Li, Yong Tao, Xiao Liu et autres

ABSTRACT The topology optimization method of functionally graded lattice structures with multiple loading conditions is proposed to enhance both the structural stiffness and robustness. The conventional method for topology optimization of porous infill structures is extended to construct the functionally graded lattices, …

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Research on the Directional Measurement Method of Three-Dimensional Electric Field Intensity Components of the Atmosphere Based on the Geographic Coordinate System in the Airborne Model

Wei Zhao, Zhizhong Li, Haitao Zhang

Due to the difficulty of achieving absolutely precise coaxial installation of measurement components, a coaxial error will occur between the measurement axis of the sensor and that of the electronic compass when conducting the measurement of the airborne atmospheric electric field intensity …

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Research on the Optimization of the Electrode Structure and Signal Processing Method of the Field Mill Type Electric Field Sensor

Wei Zhao, Zhizhong Li, Haitao Zhang

Aiming at the issues that the field mill type electric field sensor lacks an accurate and complete mathematical model, and its signal is weak and contains a large amount of harmonic noise, on the basis of establishing the mathematical model of the …

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Multilayer stackable grouped acoustic metamaterial with optional sound absorption performance

Xiaocui Yang, Enshuai Wang, Xinmin Shen, Wenqiang Peng et autres

The control of noise pollution in the low-frequency domain with various spectrum ranges requires the development of a novel tunable sound absorbing material, and a multilayer stackable grouped acoustic metamaterial (MSG-AM) is proposed in this research to obtain the optimal noise reduction …

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A Decoupling Algorithm for Three-Dimensional Electric Field Sensors Based on Extreme Learning Machines Optimised by Bat Algorithm

Zhizhong Li, Wei Zhao

Inderscience is a global company, a dynamic leading independent journal publisher disseminates the latest research across the broad fields of science, engineering and technology; management, public and business administration; environment, ecological economics and sustainable development; computing, ICT and internet/web services, and related …

Adjustable Sound Absorber of Multiple Parallel-Connection Helmholtz Resonators with Tunable Apertures Prepared by Low-Force Stereolithography of Photopolymer Resin

Fei Yang, Shaohua Bi, Xinmin Shen, Zhizhong Li et autres

The variable noise spectrum for many actual application scenarios requires a sound absorber to adapt to this variation. An adjustable sound absorber of multiple parallel-connection Helmholtz resonators with tunable apertures (TA–MPCHRs) is prepared by the low-force stereolithography of photopolymer resin, which aims …

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A Dual-Level Model Predictive Control Scheme for Multitimescale Dynamical Systems

Xinglong Zhang, Wei Jiang, Shuyou Yu, Xin Xu et autres

So far, many control algorithms have been developed for singularly perturbed systems. However, in many industrial processes, enforcing closed-loop fast-slow dynamics for peculiarly nonseparable ones is a prior request and a crucial issue to be resolved. Aiming at the above problem, this …

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Investigation and Optimization of the Impact of Printing Orientation on Mechanical Properties of Resin Sample in the Low-Force Stereolithography Additive Manufacturing

Enshuai Wang, Fei Yang, Xinmin Shen, Zhizhong Li et autres

The mechanical properties of resin samples in low-force stereolithography additive manufacturing were affected by the printing orientation, and were investigated and optimized to achieve excellent single or comprehensive tensile strength, compressive strength, and flexural modulus. The resin samples were fabricated using a …

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Exploring a Directional Measurement Method of Three-Dimensional Electric Field Intensity in the Atmosphere

Wei Zhao, Zhizhong Li, Yuan Yuan, Haitao Zhang

The traditional process of measuring a three-dimensional (3D) electric field in the atmosphere may suffer from limited accuracy of the electric field component intensity due to multiple factors, such as the 3D electric field sensor’s pose change due to the sensor-carrier motion …

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Numerical Simulation Study on Factors Influencing Anti-Explosion Performance of Steel Structure Protective Doors under Chemical Explosion Conditions

Haiteng Wang, Zhizhong Li, Yingxiang Wu, Luzhong Shao et autres

To study the mechanical deformation characteristics and anti-explosion mechanisms of steel-structure protective doors under chemical explosion shock wave loads, numerical simulations of loads and door damage were carried out using the AUTODYN and LS-DYNA software based on model tuning with actual field …

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Solid tumor target-immunotherapy with novel biomimetic immuno- chemotherapy composite mesoporous silica nanoparticles coated by the CD80 modified cell membranes

Jin Wo, Renwen Zhang, Haoran Zhu, Xinfeng Yi et autres

Abstract New strategies enhancing both cellular immune response and targetability of tumor immunomodulator remain a major challenge for the immunotherapy in the solid tumor. In this research, a novel biomimetic immuno-chemotherapy composite nanoparticle system was designed as a breast tumors targeted drug. …

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Design and Mechanical Experiment of Functionally-Graded Lattice Structure with Multiple Loading Conditions

Zhizhong Li, Bing Yi, Yong Tao, Xiao Liu et autres

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