Application of random forests algorithm to fault diagnosis of power electronic circuit

Power electronics technology is widely used in various engineering community.So the research on fault diagnosis method of power electronics circuit is valuable.Based on random forests,a new on-line fault diagnosis method for power electronic circuit is put forward.Although there are several existed techniques for faults diagnosis of power electronic circuit,the research on random forests algorithm is meaningful and necessary because of its fast execution speed,the characteristic of tree classifier,and high processspeed.Design details of random forest classifier and evaluating its performance is investigated in this paper.A three-phase silicon controlled rectifier circuit with inductive load is used as an example to illustrate the new approach of fault diagnosis.The results of the application indicate that the method can diagnose faults of three-phase rectifier effectively and obtain good diagnosis performance.