- Advanced DC-DC Converters
- Photovoltaic System Optimization Techniques
- Microgrid Control and Optimization
- solar cell performance optimization
- Power Systems and Renewable Energy
- Vacuum and Plasma Arcs
- Multilevel Inverters and Converters
- Aerosol Filtration and Electrostatic Precipitation
- Railway Systems and Energy Efficiency
- IoT-based Smart Home Systems
- Advanced materials and composites
- Advanced Battery Technologies Research
- Wireless Power Transfer Systems
- Petri Nets in System Modeling
- IoT and GPS-based Vehicle Safety Systems
- Advancements in PLL and VCO Technologies
- Sensorless Control of Electric Motors
- Advanced Data Storage Technologies
- Advanced battery technologies research
- Catalytic Processes in Materials Science
- Distributed and Parallel Computing Systems
- Advanced Algorithms and Applications
- Electric Motor Design and Analysis
- Fault Detection and Control Systems
- Distributed Control Multi-Agent Systems
Beijing Jiaotong University
2024
Northeastern University
2015-2024
Institute of Electrical Engineering
2007
Sichuan University
2007
This article proposes a realization of the photovoltaic (PV) panel to PV (P2P) method for modular differential power processing (mDPP). The approach is and permits panels be added or removed from either series strings paralleled connections. A voltage inner loop outer control strategy tracks individual maximum point panel, as well converts only power. proposed decouples performance each module, making design simple. Simulation results validate plug play function scalable system MPPT...
This paper presents a modular approach to differential power processing. The method combines the series processing with parallel approach, allowing scalability that could not be achieved previously. is demonstrated for photovoltaic systems. Furthermore, ability add groups of solar modules in or and still operate units achieve maximum point tracking proven.
This paper presents a distributed control strategy for Panel to (P2P) transfer method in Modular Differential Power Processing (mDPP). There can be coupling effect between the different PV panels when mDPP is implemented. To mitigate this effect, voltage inner loop and power outer proposed track maximum point of panel as well convert only differential mismatched modules. The simulation results validate stability MPPT accuracy. Hardware prototype built exhibits performance advantages.
This paper demonstrates for the first time use of a very large secure digital card flash memory to design three-phase pulse width modulation (PWM) generator and describes hardware software used implementation. The new architecture differs from conventional counter-based implementation, it follows preprogrammed optimal PWM pattern that is read with magnitude phase as coordinates. allows inclusion multiple optimization criteria within pattern. becomes valuable since switching instants can be...
A modular wireless power transmission (WPT) Photovoltaic (PV) subpanel system is proposed. The PV may contain multiple subpanels, and each integrated with an individual DC/DC converter connected to a full bridge inverter WPT LC resonant tank. units can be placed on charging mat, unit independently designed without affecting other units' performance. However, because of the rugged outdoor environment, it difficult precisely know various circuit parameters, airgaps, or influential variables...
A modular plug-and-play photovoltaic (PV) converter system for portable PV applications is proposed. Small subpanel of cells have individual dc/dc converters performing distributed maximum power point tracking. The submodules are connected in parallel to a DC bus. Challenges the proposed accommodate diverse types loads addressed. Based on scenario analysis, operating mode and range illustrated. peer-to-peer control strategy developed maintain stable supply automatically with and/or load...
A portable, modular, plug-and-play photovoltaic (PV) converter system is proposed in this paper. Each PV subpanel has an individual DC/DC connected parallel to a semi-regulated DC bus. In order accommodate diverse loads, distributed control strategy for each utilized so that the can operate at either Maximum Power Point Tracking (MPPT) mode or power shedding mode. No master-slave scheme used, therefore all master Central Processing Units (CPUs) and communication wires are eliminated, making...
This paper demonstrates the use of a very large SD Card flash-memory to control three-phase inverter. The digital architecture differs from conventional counter-based implementation because it follows pre-programmed optimal PWM pattern that is read large-size (8MB) memory with magnitude and phase as coordinates. A multi-optimal algorithm considered reduce harmonics while maintaining same count switching processes center-aligned PWM. current presents detailed experimental results achieved...
This paper aims to present a cooperative control method improve the tracking accuracy and safety of multiple trains under uncertain system environment. In controller design, prescribed performance functions are devised restrict global errors guarantee transient steady-state each train. An active security protection framework is designed based on technique integrating terminal sliding mode, enabling reach state consensus quickly in finite time guaranteeing inter-train distances always be...
The fast repulsion mechanism has become one of the feasible schemes for opening and closing operation DC vacuum circuit breaker due to its fast-moving controllable output characteristics. In this paper, considering influence material characteristics structural changes disc, motion process electromagnetic force are quantitatively analyzed. Using finite element numerical simulation method, a coupled physical mathematical model was established, mechanical were solved, structure disc on...
In vacuum circuit breakers, the main source of metal vapor arc is ablation and evaporation contact materials during fault interrupting process, evolution influence factors physical properties plasma are analyzed from a microscopic perspective to study recovery capability performance. this paper, taking generated by CuCr alloy electrode breaker process as research object, under local thermodynamic equilibrium assumption, Chapman-Enskog method used solve Boltzmann equation, effects pressure on...
Unmanned Aerial Vehicles (UAVs) are rapidly evolving, finding applications across various sectors like aerial photography, agricultural monitoring, and scientific research.Central to their functionality is the precision reliability of GPS data, crucial for accurate navigation task execution.This article focuses on integrating two renowned hardware components -the Pixhawk 6C flight controller Raspberry Pi Zero W computer -for efficient acquisition transmission data Amazon Cloud...