Search results for: Xiaoguang Hu

Items from 1 to 20 out of 73 results

article

Efficient Fabrication of Bioinspired Flexible Pressure Sensors via Electrohydrodynamic Jet Printing Method

Shiwei Shi, Zeshan Abbas, Xiaoguang Hu, Xiaohu Zheng, more

Macromolecular Rapid Communications > 45 > 19 > n/a - n/a

Bioinspired microdevices have made significant strides in various applications including human motion and health detection. However, facile and highly efficient fabrication approach of flexible pressure sensors remains a great challenge. Herein, inspired by the gecko's foot structure, a flexible pressure sensor with microdomes structure is fabricated by tip‐assisted on‐demand electrohydrodynamic jet...

article

Versatile Photoluminescence Polymers for Printed Transparent Self‐Healing Optical Devices

Weijing Yao, Xiaoqing Sui, Dai Yang, Xiaoguang Hu, more

Advanced Functional Materials > 34 > 17 > n/a - n/a

The development of comprehensive optical self‐healing polyurethane polymers for smart optical devices presents a significant challenge due to the trade‐off between intrinsic self‐healing capability and mechanical strength. This study focuses on the synthesis of versatile photoluminescence supramolecular polymers that integrate self‐healing ability, mechanical strength, and fluorescence responsiveness...

article

Soap Film Transfer Printing for Ultrathin Electronics (Small 15/2024)

Lixuan Che, Xiaoguang Hu, Hechen Xu, Yuanbo Liu, more

Small > 20 > 15 > n/a - n/a

Ultrathin Electronics In article number 2308312, Ming Li, Junshan Liu, and co‐workers reported the facile soap film transfer printing technique that enables the wrinkle‐free transfer of high‐tech ultrathin electronic films, precise alignment in a transparent way, and conformal printing onto various topographically and adhesively challenging substrates, including dandelion, leaf, dragonfly wing, and...

article

Soap Film Transfer Printing for Ultrathin Electronics

Lixuan Che, Xiaoguang Hu, Hechen Xu, Yuanbo Liu, more

Small > 20 > 15 > n/a - n/a

Flexible and stretchable electronics have attractive applications inaccessible to conventional rigid electronics. However, the mainstream transfer printing techniques have challenges for electronic films in terms of thickness and size and limitations for target substrates in terms of curvature, depth, and interfacial adhesion. Here a facile, damage‐free, and contamination‐free soap film transfer printing...

article

Calamitic Blatter Radicals for Large‐Area Solution‐Coated Resistive Memories

Yan Hou, Hanjiao Chen, Wenru Lian, Huaqing Li, more

Advanced Functional Materials > 33 > 47 > n/a - n/a

Radical molecules exhibit fast redox kinetics, are widely explored for data processing and energy storage. However, the insulating aliphatic matrix isolates the radical units, thus resulting in a weak charge transporting ability. Herein, calamitic Blatter radicals (CBR) with highly conductive [1]benzothieno[3,2‐b]benzothiophene (BTBT) as the conjugated backbone are designed and synthesized. It is...

article

Dominant Pole Placement with Modified PID Controllers

Huanchao Du, Xiaoguang Hu, Chaoqun Ma

International Journal of Control, Automation and Systems > 2019 > 17 > 11 > 2833-2838

In this paper, the limitations of the standard PID controller for dominant pole placement has been analyzed. Study shows that the modified PID controller, such as PI-D, I-PD, PI-PD and PD-PID controller, is an alternative to solve this problem. For the PI-PD and PD-PID controller, the zeros can be placed on the poles that are close to the specified dominant poles. The conditions for the existence...

article

A Technique for Determining Whether a Linear System has a Nondecreasing Step Response

Huanchao Du, Xiaoguang Hu, Chaoqun Ma

Circuits, Systems, and Signal Processing > 2019 > 38 > 12 > 5908-5919

This paper deals with the problem of determining whether or not a linear system has a nondecreasing step response. Results are given in the form of root determination of a polynomial. These results can be applied to a more general class of systems, i.e., the system can be of arbitrary order, the zeros can be real or complex, and the poles of the system can be distributed arbitrarily along the negative...

article

Local convolutional features and metric learning for SAR image registration

Qiangliang Guo, Jin Xiao, Xiaoguang Hu, Baochang Zhang

Cluster Computing > 2019 > 22 > 2 > 3103-3114

The conventional synthetic aperture radar (SAR) image registration focuses on designing diverse hand-crafted features and distance metrics. It is still challenging to obtain accurate feature correspondence when influenced by speckle noise and geometric distortion. This paper proposes local convolutional neural network (CNN) features based method to solve the keypoint matching problem, whose contributions...

article

A novel feed-forward segmented digital automatic gain control algorithm for long-term evolution digital radio-over-fibre systems

Jie Wang, XiaoGuang Hu, Enyi Guan, Tongyun Li, more

IET Communications > 2017 > 11 > 15 > 2362 - 2369

This study describes a novel feed-forward segmented digital automatic gain control (FSD-AGC) algorithm for long term evolution (LTE) digital radio-over-fibre (DRoF) systems. It experimentally demonstrates the algorithm using a DRoF platform based on real-time field programmable gate arrays. The FSD-AGC algorithm is able to update power status accurately with a short delay (about 100 samples) and adjust...

chapter

SAR real-time guidance system based on multi-scale FAST-BRISK

Mengjie Zhou, Guofeng Zhang, Xiaoguang Hu, Dan Sun, more

2017 13th IEEE International Conference on Control & Automation (ICCA) > 425 - 430

2017 13th IEEE International Conference on Control & Automation (ICCA)

In recent years, SAR (Synthetic Aperture Radar) has been widely used in the real-time guidance system. As the foundation of system, SAR image registration directly affects the guidance performance. In order to achieve the high precision and low computation, in this paper, we adopt well-known FAST (Features from Accelerated Segment Test) for feature detection and BRISK (Binary Robust Invariant Scalable...

article

Redundant and fault-tolerant algorithms for real-time measurement and control systems for weapon equipment

Dan Li, Xiaoguang Hu

ISA Transactions > 2017 > 67 > C > 398-406

Because of the high availability requirements from weapon equipment, an in-depth study has been conducted on the real-time fault-tolerance of the widely applied Compact PCI (CPCI) bus measurement and control system. A redundancy design method that uses heartbeat detection to connect the primary and alternate devices has been developed. To address the low successful execution rate and relatively large...

article

DDAS-DRoF Based a New In-Building Signal Coverage System Supporting Multiple Services

Jie Wang, Shulun Zhao, Xiaoguang Hu, Enyi Guan, more

Procedia Computer Science > 2017 > 107 > C > 558-563

Aiming at the problems of low infrastructure utilization rate, high cost, large power consumption, inconvenient management and maintenance caused by independent in-building signal coverage systems of different operators, this paper puts forward a new in-building signal coverage system supporting multiple services based on digital distributed antenna system (DDAS) and digital radio over fiber (DRoF)...

chapter

Pendulum-like oscillation controller for UAV based on Lévy-flight pigeon-inspired optimization and LQR

Zhuqing Liu, Haibin Duan, Yijun Yang, Xiaoguang Hu

2016 IEEE Symposium Series on Computational Intelligence (SSCI) > 1 - 6

2016 IEEE Symposium Series on Computational Intelligence (SSCI)

A new method for parameter optimization of pendulum-like oscillation controller in uninhabited aerial vehicles (UAVs) is presented, which is named Lévy-flight pigeon-inspired optimization (LFPIO) algorithm. The algorithm is based on Linear-quadratic Regulator (LQR), which help the controller with greater precision and better performance on feasibility, effectiveness and robustness. As a consequence,...

article

Coordinated Microgrid Frequency Regulation Based on DFIG Variable Coefficient Using Virtual Inertia and Primary Frequency Control

Jingjing Zhao, Xue Lyu, Yang Fu, Xiaoguang Hu, more

IEEE Transactions on Energy Conversion > 2016 > 31 > 3 > 833 - 845

This paper proposes a variable coefficient combined virtual inertia and primary frequency control strategy for doubly fed induction generators (DFIG) in coordination with diesel generator to participate in wind/photovoltaic/diesel microgrid frequency regulation. The frequency response characteristic is analyzed under different wind speeds with corresponding inertia control parameters different. A...

chapter

Hot-swap and redundancy technology for CPCI measurement and control systems

Dan Li, Xiaoguang Hu

2016 IEEE 11th Conference on Industrial Electronics and Applications (ICIEA) > 1355 - 1358

2016 IEEE 11th Conference on Industrial Electronics and Applications (ICIEA)

Nowadays, the requirement of reliability and fault-tolerance for measurement and control systems become more and more significant. A design of high-availability hot-swap based on compact PCI(CPCI) bus is proposed to solve the problems in applying and testing the modular redundancy and fault-tolerance in the systems. And a semi-physical simulation platform would be designed that could test the hot-swap...

chapter

A generic satellite simulation framework design and implementation

Jianxin Fan, Xiaoguang Hu, Dawen Ding, Jin Xiao

2016 IEEE 11th Conference on Industrial Electronics and Applications (ICIEA) > 2571 - 2574

2016 IEEE 11th Conference on Industrial Electronics and Applications (ICIEA)

The Satellite Simulation Technology today is widely used by many famous space researching organizations in the world, almost each of them has its customized simulation system which has been contributing much on various of successful satellite designs, however, there hasn't been a generic framework to simplify complicated satellite design, this leads to significant investment on R & D costs, on...

chapter

Design and implementation of time management in simulation and test platform for satellite

Jiangyao Chen, Xiaoguang Hu, Guofeng Zhang

2016 12th IEEE International Conference on Control and Automation (ICCA) > 232 - 235

2016 12th IEEE International Conference on Control and Automation (ICCA)

Satellite simulation and test platform is used for testing and verifying function and information flow of each satellite subsystem. Time management problems involving the instruction execution time, the simulation speed, the system logic sequence, etc. This paper proposes a method to realize the time management, include changing simulation speed in real time, correcting time of subsystem, broadcasting...

chapter

Design and realization of multi-function serial port with high-speed/large-capacity/asynchronous FIFO

Yinqiao Wang, Xiaoguang Hu, Li Fu

2016 12th IEEE International Conference on Control and Automation (ICCA) > 227 - 231

2016 12th IEEE International Conference on Control and Automation (ICCA)

Serial ports, such as RS232, RS422, RS485, and so on, have been more and more applied in industrial instrumentation and automatic devices. In the field of automatic testing, designing a multi-function serial port will create great convenience to workers. Meanwhile, the amount of data becomes larger and larger. In this case, we design the multi-function serial port with high speed and large capacity...

chapter

The baseband signal simulation system in complex electromagnetic environment based on real-time computation

Bing Wu, Jin Xiao, Xiaoguang Hu, Huijun Zheng, more

2016 12th IEEE International Conference on Control and Automation (ICCA) > 323 - 328

2016 12th IEEE International Conference on Control and Automation (ICCA)

This paper proposes a baseband signal simulation system in complex electromagnetic environment. The proposed system includes the upper computer software and FPGA processor. The former sets characteristic parameters of a radar, and computes control parameters for FPGA processor. FPGA processor real-time generates pulse description word (PDW) of the radar and digital signals of video pulse, and converts...

article

Multi-resolution model correction for improving the accuracy of flying laser ranging sensor

Jin Xiao, Xiaoguang Hu, Jizhong Xiao, Bing Wu, more

Optik - International Journal for Light and Electron Optics > 2016 > 127 > 12 > 4987-4994

More and more unexpected incidents come out currently. Static sensor networks can not satisfy the increasing need for emergency response due to lack of adaptivity and limited coverage, thus mobile sensor networks become the research focus for overcoming above drawbacks. With excellent performances including autonomy, flexibility, stability and low-cost, micro-unmanned air vehicles (MUAVs) play a greater...

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INFONA - science communication portal

Search results for: Xiaoguang Hu

Efficient Fabrication of Bioinspired Flexible Pressure Sensors via Electrohydrodynamic Jet Printing Method

Versatile Photoluminescence Polymers for Printed Transparent Self‐Healing Optical Devices

Soap Film Transfer Printing for Ultrathin Electronics (Small 15/2024)

Soap Film Transfer Printing for Ultrathin Electronics

Calamitic Blatter Radicals for Large‐Area Solution‐Coated Resistive Memories

Dominant Pole Placement with Modified PID Controllers

A Technique for Determining Whether a Linear System has a Nondecreasing Step Response

Local convolutional features and metric learning for SAR image registration

A novel feed-forward segmented digital automatic gain control algorithm for long-term evolution digital radio-over-fibre systems

SAR real-time guidance system based on multi-scale FAST-BRISK

Redundant and fault-tolerant algorithms for real-time measurement and control systems for weapon equipment

DDAS-DRoF Based a New In-Building Signal Coverage System Supporting Multiple Services

Pendulum-like oscillation controller for UAV based on Lévy-flight pigeon-inspired optimization and LQR

Coordinated Microgrid Frequency Regulation Based on DFIG Variable Coefficient Using Virtual Inertia and Primary Frequency Control

Hot-swap and redundancy technology for CPCI measurement and control systems

A generic satellite simulation framework design and implementation

Design and implementation of time management in simulation and test platform for satellite

Design and realization of multi-function serial port with high-speed/large-capacity/asynchronous FIFO

The baseband signal simulation system in complex electromagnetic environment based on real-time computation

Multi-resolution model correction for improving the accuracy of flying laser ranging sensor

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