- Space Satellite Systems and Control
- Opportunistic and Delay-Tolerant Networks
- Caching and Content Delivery
- Advanced Optical Network Technologies
- Mobile Ad Hoc Networks
- Climate Change Policy and Economics
- Wireless Networks and Protocols
- Astro and Planetary Science
- Cooperative Communication and Network Coding
- Safety and Risk Management
- Telecommunications and Broadcasting Technologies
- Spacecraft Dynamics and Control
- Energy, Environment, Economic Growth
- Video Coding and Compression Technologies
- Embedded Systems and FPGA Design
- Vehicular Ad Hoc Networks (VANETs)
- Innovation Policy and R&D
- Orthopedic Surgery and Rehabilitation
- Strategic Planning and Analysis
- Fluid Dynamics Simulations and Interactions
- Spacecraft Design and Technology
- Network Traffic and Congestion Control
- Robotic Mechanisms and Dynamics
- Soft Robotics and Applications
- Advanced Photonic Communication Systems
Beijing University of Posts and Telecommunications
2020-2024
Ocean University of China
2011-2021
Beijing University of Technology
2019
Naval Aeronautical and Astronautical University
2012
University of Science and Technology of China
2009
Aiming at the soft contact problem of space docking, a bionic docking mechanism for target acquisition is proposed to realize buffering and unloading six–dimensional spatial collision through flexible rotating linear components. Using Kane method, an integrated dynamic equation in established, stiffness optimization strategy carried out based on angular momentum conservation. Based particle swarm (PSO), scheme was realized. Through numerical simulation achieved machine process verified....
The space-borne manipulator has been playing an important part in docking tasks. Docking collision can easily lead to instability of both the and floating base. Aiming at problem soft capture, a novel soft-contact joint with dual working modes is developed, especially buffer unload spatial momentum. Furthermore, considering series-wound soft-capture multi-joints, generalized modeling method was established by using Kane approach. Both benefits effectiveness dynamics equations are verified...
Nowadays the rapid growth of mobile traffic has attracted researchers' attention on power efficiency problem in Internet. Given outstanding advantages "edge cache" content delivery services, researchers are attempting to apply this idea reducing network consumption. However, issue existing works is mainly researched under background access networks and lack in-depth analysis from perspective cooperation between providers (CPs) Internet Service Providers (ISPs). Therefore, we design an edge...
Retracted.
Aiming at the shortcomings and insufficiency of present CPS remote monitoring system which using a single bus, this paper puts forward kind combination electric carrier technology GPRS communication technology, introduces general structure concrete implementation.
As mobile data rapidly grows, power efficiency problem becomes an increasing concern in wireless networks. To efficiently reduce energy consumption, nowadays researchers attempt to introduce the thought of "edge cache" into Internet. However, existing solutions is mainly researched under background access networks and lack in-depth analysis from perspective whole network. Therefore, we design a new minimization mechanism for content distribution applications by deploying edge caches network...
Retracted.
When the receiving nodes are uncertain or topology of ad hoc network is high dynamic, broadcasting an effective data dissemination method. In this research, a method based on busy tone modeled and implemented with simulation platform OPNET, performance analyzed experimental results. Experimental results show that, in various load, good.
Single-hop broadcasting is a basic information dissemination method. For method, wireless channel reservation and state indication are two factors effecting performance. In this paper, existing mechanisms were studied, the limitations of them analyzed, single–hop method based on busy tone proposed. With OPNET network simulation platform, proposed modeled implemented. Experimental results show that performs well.
In wireless personal area networks (WPANs), a successful design of scheduling scheme is critical for video traffic in QoS guarantee and efficient channel resource utilization. this paper, we propose novel cross-layer MPEG high speed WPANs. The aims at introducing robust improvements to by taking most advantages characteristic effect. It benefits from the ideas well-defined parameter flow eligibility filter. Simulation results show that proposed outperforms conventional schemes resources...
Abstract Cable-Suspended Parallel Robots (CSPRs) utilize winches and cables as the actuation scheme instead of rigid links, which renders them advantages both parallel mechanisms cable mechanisms. In this paper, a robust sliding mode controller was designed for three-degree-of-freedom CSPR with uncertain end-effector mass external disturbances. To control motions CSPRs is usually challenging due to unidirectional constraints tensions. Based on interval analysis, set analytical inequalities...
Abstract:As the key equipment for spatial target acquisition, space docking device should not only solve acquisition problem of spacecraft, but also buffer collision energy, avoid hard and reduce impact docking.Aiming at soft-docking capture, a spatially bionic wrist soft capture is developed.The motion simulated by three-dimensional rotation gyro mechanism, unloading six-dimensional are realized controllable damping vibration absorption.An integrated dynamic equation spaceborne mechanism...
Although mobile cloud computing can provide flexible services to computation-intensive applications, its wide network span makes low latency a thorny problem. By deploying resources on the edge of network, has an inherent advantage in providing quality due proximity devices. However, capability deployed servers is usually much less than that remote servers. Current researches mainly investigate how accommodate computation offloading tasks with optimal caching and/or strategies, which...