A novel hybrid current control method applied in three-phase fourleg APF
Based on the analysis of circuit of a three-phase four-leg APF,a conclusion was put forth,which means that the current control of the three power legs is independent from the neutral leg.A novel hybrid control method was presented.SVM was used to control the output current of the three main power legs,while hysteresis current control was applied to control the output current of the neutral leg. As a result,the current control of four legs was decomposed into the control of the three main power legs and the control of neutral leg,which can sharply simplify the current control of APF.Compared with other current control methods,this new method has advantages such as easy of calculation,control and realization.Simulation results prove the correctness of this method.
This paper presents an algorithm to resolve superimposed action potentials encountered during the decomposition of electromyographic signals. The algorithm uses particle swarm optimization with a variety of features including randomization, crossover, and multiple swarms. In a simulation study involving realistic superpositions of two to five motor-unit action potentials, the algorithm had an accuracy of 98%.