Recent Advances in Electrical & Electronic Engineering - Volume 16, Issue 3, 2023

Background: ADRC (active disturbance rejection controller) technology is a new practical technology that does not rely on the mathematical model of the controlled object and has strong robustness. It integrates the essence of modern control theory and classical proportion integral derivative theory and has good engineering application prospects. But with the research and development of the adaptive disturbance rejection co Read More

Background: Load forecasting is a crucial element in power utility business load forecasting and has influenced key decision-makers in the industry to predict future energy demand with a low error percentage to supply consumers with load-shedding-free and uninterruptible power. By applying the right technique, utility companies may save millions of dollars by using load prediction with a lower proportion of inaccuracy. Aims: T Read More

Background: Positioning accuracy is the most important index of the reconnaissance positioning system. Positioning accuracy involves many factors, such as the position, attitude and motion state of the flight platform, the pointing accuracy of the stable platform, and various coordinate transformations. A reasonable fusion strategy can guarantee stable positioning accuracy, so it is very important to study the precise fusi Read More

Background: The need for electromagnetic target positioning has grown increasingly important in recent years, especially in the field of communication, navigation and other electromagnetic fields. Objective: The objective of this study is to find a method for electromagnetic target location in different geographical environment and improve the positioning accuracy of the electromagnetic target in specific geographi Read More

Background: Distributed wind farms cover a wide area, the internal units are far apart, and the output correlation is low. With the gradual expansion of its development scale, accurate prediction of distributed wind power has become an important means to ensure the smooth operation of the power system. Objective: This paper proposes a decentralized wind power forecasting method based on cluster analysi Read More

Background: In recent years, wireless sensor network technology has been the center of attention in the international community. It has been a key element in e-health to monitor bodies. This technology enables new applications in different domains, including medical, physical training, etc. Methods: Some sensors in WSN (Wireless Sensor Nodes) capture physiological data such as temperature, heartbeat and moving distanc Read More

Background: Superbuck converter is a strong nonlinear system. However, with the changes in parameters, Superbuck converter performance may be reduced due to nonlinear phenomena, such as bifurcation, chaos, etc. Current mode controlled Superbuck converters have been extensively applied in photovoltaic (PV) systems that require a stable output voltage. Superbuck converters, as nonlinear circuits, exhibit plentiful no Read More

Background: Increase in the output current of inverter-based Distributed Generations (DGs), which are connected to an Upstream Grid (UG) and equipped with a droop controller, due to UG frequency and/or voltage magnitude drop is a conventional event. The first solution to limit the output currents is using current limiter circuits at the output side of the grid-connected droopcontrolled DG. Suppose the increasing output curr Read More

Background: Ambient vibration is a promising source to provide low-power electronic devices with energy. The piezoelectric direct effect is widely used to generate energy from mechanical stress. Generating sufficient power in milliwatts is often obtained with input acceleration greater than 1g (9.81 m/s2) Aim: In this work, the author demonstrated that low acceleration (between 0.1g and 0.9 g) vibration sources can be utilized t Read More

Background: Renewable energy systems are the most promising long-term sustainable energylong-term sustainable energy, with numerous advantages. Renewable energy systems that combine traditional and renewable resources are now cost-effective and have a low carbon impact. These systems are becoming more popular as a feasible option for rural areas, particularly when it comes to grid connectivity. Objective Read More

Background: With the institutional reform of the power market and the need for demandside response, the requirements for load forecasting accuracy are getting higher and higher. In order to deeply explore the influencing factors of load forecasting accuracy and improve the forecasting accuracy of ultra-short-term load forecasting, a method for analyzing the influencing factors of ultra- short-term load forecasting consid Read More

Background: Increasing the penetration of renewable energy sources has become necessary, especially in isolated microgrids. This increase leads to a decrease in the total inertia of the microgrids, which affects microgrid stability. Moreover, voltage and frequency control in lowinertia microgrids is more difficult and sensitive. Objective: Improve low inertia isolated microgrids' dynamic response and save the microgrid st Read More