The Design And Optimization Of A Novel Modular Transverse Flux Switched Reluctance Motor

Transverse flux switched reluctance motor(TFSRM)is a novel switched reluctance motor,which is entirely structurally decoupling between electrical load and magnetic load.It has higher power density than the traditional radial and axial switched reluctance motor,and easy for module design.Therefore,it has a broad application prospects in the fields of shipping,home appliances and electric vehicles.The researches in depth on its electromagnetic design,analysis and optimization are of vital importance in both theory and engineering.Based on the extensive researches of TFSRM,this paper proposes a novel modular transverse flux switched reluctance motor(MTF-SRM),and the topology and the operation principle of this machine are illustrated and analyzed in details.The researches in depth on its electromagnetic design,operational characteristics and optimization are carried out.Besides,the experimental platform is built to measure a series of characteristics of MTF-SRM.The main contents of this paper are as follows:The significance of this research subject is introduced.The research status of transverse magnetic flux motor and switched reluctance motor at home and abroad is analyzed comprehensively.The structure of the existing SRMs are illustrated and compared,and the structural superiority of MTF-SRM is demonstrated.The topology and operating principle of switched reluctance motor is described in detail,which provides a theoretical basis for the design of the MTF-SRM.The specific structural design of MTF-SRM is carried out,and the structural characteristics and operation principle of MTF-SRM are deeply studied.The design methods of the electromagnetic and structural parameters are given,and the correctness of motor design is preliminarily verified by analytic method.The three-dimensional finite element(3D-FEM)is adopted to study the no-load magnetic field distribution of MTF-SRM.The static parameters such as inductance,flux linkage,magnetic energy,torque and air gap flux density of the motor are calculated,and the no-load and on-load characteristics of the motor are simulated and analyzed by using CCC/APC combined control mode.finally,the proposed MTF-SRM is compared with the traditional switched reluctance motor.The effects of main parameters on the static characteristics and dynamic torque characteristics are studied.The optimization module in Maxwell 3D based on genetic algorithm is used to optimize the torque ripple and average torque of MTF-SRM.The multi-objective optimization model of MTF-SRM is established,and the optimization variables and constraints are selected,and the characteristics of the MTF-SRM before and after optimization is compared.The prototype of MTF-SRM is manufactured based on the optimization results,and the experiment platform is built to carry out experimental research.The simulation results are compared with the experimental results to verify the correctness of motor design and the efficiency of applied optimization algorithm.