A5101745116- UAV Applications and Optimization
- Soft Robotics and Applications
- Offshore Engineering and Technologies
- Adaptive Control of Nonlinear Systems
- Robotic Path Planning Algorithms
- Drilling and Well Engineering
- Underwater Vehicles and Communication Systems
- Power Line Inspection Robots
- Advanced Algorithms and Applications
- Energy Harvesting in Wireless Networks
- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Advanced Photonic Communication Systems
- Advanced Battery Technologies Research
- Oil and Gas Production Techniques
- Underwater Acoustics Research
- IoT and Edge/Fog Computing
- Digital Transformation in Industry
- Optical Systems and Laser Technology
- Multimodal Machine Learning Applications
- Radar Systems and Signal Processing
- Neural Networks and Applications
- Wireless Signal Modulation Classification
- Advanced Wireless Communication Technologies
- Ultrasound Imaging and Elastography
Shandong University of Science and Technology
2023-2024
Xi'an University of Technology
2024
Tianjin University of Technology and Education
2021-2024
University of Science and Technology of China
2020-2023
Lanzhou University of Technology
2023
North China Electric Power University
2022-2023
Tianjin Internal Combustion Engine Research Institute
2023
Changchun Institute of Technology
2023
Nanjing University of Aeronautics and Astronautics
2023
Xi'an High Tech University
2023
Artificial chiral materials and nanostructures with strong tuneable chiroptical activities, including sign, magnitude, wavelength distribution, are useful owing to their potential applications in sensing, enantioselective catalysis, devices. Thus, the inverse design customized manufacturing of these is highly desirable. Here, we use an artificial intelligence (AI) guided robotic chemist accurately predict activities from experimental absorption spectra structure/process parameters, generate...
Abstract To address the limitations of traditional drilling equipment, such as large size, high power consumption, and difficulties with waterproofing, an underwater ultrasonic percussive drill (UUPD) based on piezoelectric drive is proposed. The structure size parameters actuator are designed its performance experimentally verified. maximum output amplitude 78.6 μm in air 52.3 water. Additionally, dynamic characteristics UUPD calculated theoretically analyzed by simulation, influence system...
Lithium-sulfur (Li-S) batteries with their outstanding theoretical energy density are strongly considered to take over the post-lithium ion battery era; however, they limited by sluggish reaction kinetics and severe shuttling of soluble lithium polysulfides. Prussian blue analogues (PBs) have demonstrated efficiency in hindering shuttle effects as host materials sulfur; unfortunately, show an inferior electronic conductivity, exhibiting considerable lifespan but poor rate performance....
When precision materials or components are moved transported, traditional contact transport methods inevitably lead to some trouble such as wear, scarification, pollution and stress concentration. To solve these problems, a novel contact-free system based on Near-field Acoustic Levitation (NFAL) effect Negative Pressure Absorption (NPA) technology is proposed. As the core component of system, structure object stage presented fabricated. Its working principle revealed its service behavior...
Unmanned aerial vehicle (UAV) can provide communication and computation service enhancements to the In-ternet of vehicles (IoV) via flexible deployment short-range transmission. In this paper, we investigate an energy harvesting-based UAV-assisted vehicular edge computing framework, where UAV equipped with server helps execute tasks, meanwhile harvests from base station by wireless power transfer (WPT) simultaneous information (SWIPT) techniques, respectively. Considering a long-term task...
Because of the rapid development computer technology, digital twin technology has been improved, in background industry 4.0 industrial production also uses to reform. Virtual scene simulation was conducted based on Unity3d and model made by 3Ds Max software. Through unique advantages virtual factory, intelligent system is built, traditional factory transformed into a for simulation, monitoring, decision-making, so as apply it real new achieve cost saving, improve efficiency, optimize effect...
With the help of unmanned aerial vehicle (UAV), remote terminals that out wireless coverage can be connected to Internet Things (IoT) networks. Currently, IoT relies on a large number low-cost sensors with limited energy supply realize ubiquitous monitoring and intelligent control. The powered communication (WPC) non-orthogonal multiple access (NOMA) technologies solve problems massive respectively. Exploiting these benefits, we investigate joint UAV 3D trajectory design time allocation for...
This paper is concerned with the predefined-time exact sliding mode control issue of a class high-order uncertain nonlinear systems disturbances. The proposed scheme composed disturbance observer and two-stage controller. can estimate system disturbances accurately within an arbitrary predefined observation time, time be set as handover between two stages. classic controller guarantees bounded states in first stage. Then, designed based on time-varying tuning function, regulating to zero...
This paper proposes a novel two-stage predefined-time system identification algorithm for uncertain nonlinear systems based on concurrent learning. The main feature of the is that convergence time estimation error an exact predefined parameter, which can be known and adjusted directly by users. Historic data are stored in first stage to guarantee finite-rank condition satisfied. In second stage, converges zero linearly parameterized systems, or it regulated into neighborhood unknown modeled...
This paper proposes an adaptive predefined-time accurate anti-unwinding attitude controller for a spacecraft with uncertain inertia. The novelty of the proposed algorithm lies in that error is regulated to exact zero after predefined settling time, which explicit parameter control algorithm. A time mapping function containing introduced, thus transforming scale original system. Then composite barrier Lyapunov constructed avoid unwinding phenomenon process, and backstepping designed based on...
A multiplexer and a demultiplexer which are suitable for gigabit 10 Ethernet developed using 0.18 /spl mu/m CMOS technology. Most of the multiplexers demultiplexers studied in recent years used SONET (SDH) systems. Several works Ethernet, but their power area not optimal. The paper gives structure to overcome device limitations conventional type structures. new is simulated with logic process SPICE model achieves very high speed. Experimental results also given.
Developing deep-sea drilling mechanisms based on new driving modes is important for promoting marine geological surveys and mineral resource exploration. We propose an underwater ultrasonic drill (UUD) seabed rock the piezoelectric principle rock-breaking mechanism. The device of UUD was designed using vibration theory, its performance parameters were predicted through simulations. A prototype suitable considering working environment objects. To verify UUD, a efficiency test system set up,...
Energy-saving and consumption reduction in HVAC systems is becoming increasingly critical for environmental social sustainability. This paper proposes a novel approach that combines deep learning algorithms with model predictive control (MPC) reduce energy improve efficiency to achieve saving. A DNN algorithm integrated into the MPC framework which trained by historical data learn complex relationship between conditions, occupancy patterns, system parameters. By predicting optimal signals...
In order to meet the needs of working on inner wall oil tank, a new wheeled climbing robot with magnetic adsorption ability and obstacle crossing was designed. Meanwhile, for meeting requirements stable safe crossing, statics analysis wall-climbing were carried out, force operating under different conditions obtained avoid slipping capsizing. The effects distance between magnet analyzed by experiments, optimal structure size ensure that could be safely adsorbed during process crossing....
Wall climbing robot can realize mobile operations in vertical wall environment, which has great scientific research significance and application prospects for improving production efficiency. Domestic foreign researchers have conducted a lot of on robots designed many types robots. However, there is relatively less work that cross obstacles perform obstacle crossing operations. In scenarios, need to be adsorbed the iron plate ensure reliable adsorption at same time obstacles. This problem...
Drilling is an effective method for conducting seabed mineral exploration. To overcome the problems of high power consumption, drilling pressure, and difficult waterproof design in traditional electromagnetic hydraulic-driven rigs, ultrasonic device proposed based on principle piezoelectric driving deep-sea hard rock This underwater has low long endurance, compact structure simple waterproofing. In addition, it can pierce rocks with only a small showing good application potential field...
With the popularization of internet things (IoT), its security has become increasingly prominent. Radio-frequency fingerprinting (RFF) is used as a physical-layer method to provide in wireless networks. However, problems poor performance highly noisy environment and less consideration calculation resources are urgent be resolved practical RFF application domain. The authors propose new identification based on metric learning. They power spectrum density (PSD) extract from nonlinearity RF...