Recent Advances in Electrical & Electronic Engineering - Volume 15, Issue 4, 2022

Background: Currently, electricity producers are mainly concerned with finding solutions that make it possible to produce electricity with a low fuel cost and minimize toxic gas emissions into the atmosphere. Objective: This paper aims to demonstrate the economic and environmental impact of connecting photovoltaic plants on the electricity grid to reduce the cost of electricity production and the emissions of toxic gas into the a Read More

Background: Because of significant challenges in locating conventional drivers into luminaires, and also cost issues, a noticeable attitude toward AC direct LED drivers has been shaped. Nevertheless, the multiplicity of target parameters like output lumen, efficacy in lumen per watt, power consumption, PF, THD, and so on limits designers to select an optimal design of LED modules applying AC direct LED drivers. Methods: T Read More

Background: Electricity consumption forecast is an important basis for the power system to achieve regional electricity balance and electricity spot market transactions. Objective: In view of the fact that many electricity consumption prediction models do not make good use of the correlation of data in the time dimension and space dimension, this paper proposes a day-ahead forecasting model based on spatiotemporal correctio Read More

Aims: This paper describes the process of spotting a barrier on the path of a wheeled robot to find an alternate way of avoiding it. Methods: For path planning, an image-processing technique is used, and for the barrier-sensing and avoidance system, an ultrasonic sensor is used. FPGA board processes the sensor output, and after processing, it instructs the motor arrangement to control the speed and direction of the wheeled Read More

Background: The single position control or force control of the electro-hydraulic servo system has long been unable to meet the actual needs of production and life. To achieve a good control effect and solve various problems in real life, people no longer only consider a single position control or force control. Objective: The proposed method provides technical support for multi-objective collaborative control of the electro-hydr Read More

This paper presents a novel single-sided linear actuator design and sensitivity analysis of different geometric parameters on the performances of the actuator. A numerical model based on the finite element method is developed for that purpose. Thus, the electromagnetic behavior of the actuator is analyzed with 2D magneto-static analysis, and the electromagnetic characteristics were presented with the study of the effe Read More

Background: With the rapid development of science, more data is available to human beings. Therefore, the storage and calculation of big data have become the focus of scientific research. MapReduce performs well in the big data processing. However, it is prone to data skew, which affects the overall efficiency of the data processing cluster. Objective: Aiming at the low efficiency of MapReduce data join, this paper proposes Read More