Fang Peng

South China University of Technology

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Haisong Qi

South China University of Technology

Lei Guo

Tongren University

Hongchen Liu

Harbin Institute of Technology

Cheng Zhang

Hainan Medical University

Fengxia Yue

South China University of Technology

Hang Su

Politecnico di Milano

Yi‐An Chen

National Taiwan University

Huajun Yang

Nanjing Normal University

Dongdong Xiao

Renji Hospital

Hongchen Liu

China University of Petroleum, Beijing

Cooperative Institutions

Guangzhou Medical University

First Affiliated Hospital of Guangzhou Medical University

State Key Laboratory of Respiratory Disease

South China University of Technology

National Clinical Research

Chinese Academy of Sciences

Huazhong University of Science and Technology

University of California, San Diego

University of Electronic Science and Technology of China

University of Chinese Academy of Sciences

Author Statistics

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A disk I/O optimized system for concurrent graph processing jobs

Frontiers of Computer Science (2024)

Xianghao Xu Fang Wang Hong Jiang Yongli Cheng Dan Feng

10.1007/s11704-023-2361-0

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Citations (0)

Exploiting Semantic and Boundary Information for Stereo Matching

Journal of Signal Processing Systems (2021)

Fang Peng Tan Yu Cheng Zhang

Feature (linguistics)

Similarity (geometry)

10.1007/s11265-021-01675-x

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Citations (3)

Principle of EPON

Optical Fiber & Electric Cable and Their Applications (2006)

Lei Cheng-da Fang Peng

Ethernet passive optical network(EPON) is an access brand-new technology oriented to next generation network(NGN).It is a multi-service platform which can provide QoS-assured IP service and traditional time division multiplexing(TDM) service simultaneously.Therefore,based on EPON,operators can provide multi-services according to the requirements of subscribers and realize the transition to all-IP service network easily.Consequently,the architecture of EPON is introduced,and the transmission principle of downstream and upstream links is analyzed.

Time-division multiplexing

Access network

Next-generation network

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Facile fabrication of a polyvinyl alcohol-based hydrophobic fluorescent film via the Hantzsch reaction for broadband UV protection

Materials Horizons (2021)

Hongchen Liu Hongying Yang Kunkun Zhu Fang Peng Lei Guo

Excessive exposure to ultraviolet (UV) light is harmful to human health. However, the traditional preparation of anti-UV films through the doping of UV absorbers leads to unstable products. Chemical modification of polyvinyl alcohol (PVA) to fabricate functional derivatives expand the application of these materials. Herein, a 1,4-dihydropyridine (DHP) fluorescent ring with a conjugated structure as a strong UV-absorber group was introduced onto a polyvinyl alcohol acetoacetate (PVAA) film to improve its UV-blocking performance. Firstly, PVAA was prepared via transesterification using tert-butyl acetoacetate (t-BAA). Then, the Hantzsch reaction was carried out on the surface of the PVAA film at room temperature. The resulting film showed high transparency, bright fluorescence emission, good mechanical properties, and outstanding stability. The introduction of the hydrophobic carbon chain reduced the hydrophilicity and swelling capacity of the PVAA film. In addition, the conjugated structure endowed the fluorescent film with excellent UV-blocking performance, where almost 100% UVA and UVB spectra could be shielded. The UV-blocking properties of the prepared films were persistent when they were exposed to UV irradiation, solvents, and subjected to thermal treatment. This work presents a facile and environmentally-friendly strategy by which to fabricate a multifunctional PVA-based film, which holds great potential for application in the anti-counterfeiting and UV-blocking fields.

Polyvinyl Alcohol

Ultraviolet

Thermal Stability

10.1039/d1mh01783g

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Citations (24)

Verification of the Neutron-Photon multi-group Cross-Section library generated by Monte Carlo method code IMPC-NP

Nuclear Engineering and Design (2024)

Feng Zhou Teng Zhang Fang Peng Yongwei Yang Xiang Wu

Code (set theory)

Section (typography)

10.1016/j.nucengdes.2024.113804

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Citations (0)

4D printed shape memory metamaterial for vibration bandgap switching and active elastic-wave guiding

Journal of Materials Chemistry C (2020)

Bing Li Chao Zhang Fang Peng Wenzhi Wang Bryan D. Vogt

By combining the concepts of 4D printing, elastic metamaterial and shape memory effect, a tunable, programmable waveguide strategy is realized.

Acoustic Metamaterials

10.1039/d0tc04999a

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Citations (45)

Improved Kernel Correlation Filter Based Moving Target Tracking for Robot Grasping

IEEE Transactions on Instrumentation and Measurement (2022)

Fang Peng Qinyi Xu Yifei Li Maoxi Zheng Hang Su

Tracking and grasping moving objects is a hot topic in the field of robots, which provide great potential in the industrial scene and human-computer cooperation. Based on kernel correlation filter and vision 3D reconstruction, this paper proposes a visual-based tracking and grasping method for moving targets. An improved algorithm based on kernel correlation filter is proposed for object tracking. A scale pool is constructed and a scale filter is trained to solve the problem of algorithm scale adaptation. At the same time, the judgment mechanism of tracking results, secondary detection, and modification update mechanisms are added to improve the robustness of the algorithm. Combined with RGB-D camera, the target is reconstructed to obtain the 3D pose the target. The tracking and intercepting strategy is adopted to grasp the moving target. The proposed method is proven to have good performance through data set comparison tests and experiments on real robot systems.

Robustness

Kernel (algebra)

Tracking (education)

RGB color model

Tracking system

10.1109/tim.2022.3195258

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Citations (14)

A Multi-Task Mode Control Method for Powered Knee-Ankle Prosthesis

Fang Peng Tao Hu Cheng Zhang

Finite-state impedance control has been widely used in powered lower limb prosthesis. However, this method divides a certain gait into multiple phases, and each phase requires tuning some parameters through a large number of subject experiments. It is necessary to develop an effective unified controller for each gait, which can switch easily between different task modes. In this paper, a unified controller based on virtual constraint is designed for powered ankle-knee prosthesis, and a multi-task control method that is capable of switching different locomotion modes is developed. To achieve multi-task control, we first designed a stair ascent controller based on a piecewise phase variable utilizing the periodicity of the hip angle. The controller divides the gait into five phases, and the phase transition only changes the calculation formula of the phase variable without changing the controller parameters so that uniform control of the different phases can be achieved. Secondly, we proposed a supervisory method to switch between the level walking and stair ascent task modes. Simulation results confirmed that the unified controller of the gait can stably control the prosthesis at different speeds and the supervisory method can realize the transition of multiple motion gaits.

10.1109/icamechs.2019.8861687

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Green fabrication of high strength, transparent cellulose-based films with durable fluorescence and UV-blocking performance

Journal of Materials Chemistry A (2022)

Fang Peng Hongchen Liu Dongdong Xiao Lei Guo Fengxia Yue

Fluorescent cellulose films with high strength, transparency and UV resistance were prepared. Such extraordinary properties allow application prospects in UV protection, anti-counterfeiting and remote LED devices.

Blocking (statistics)

10.1039/d2ta00817c

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Citations (30)

Tough, High Impact Resistant 3D Printed Objects from Core-Shell Filaments

Bulletin of the American Physical Society (2018)

Fang Peng Miko Cakmak Bryan D. Vogt

3d printed

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