Aiming at the problems of long operation cycle and low computational efficiency in solving steady-state electromagnetic characteristics of electromagnetic linear drive by finite element method,an analytical modeling method was proposed to study this kind of drive.The Poisson equation of magnetic field was established by introducing magnetic potential vector model,and the magnetic field distribution equation was derived.The expressions of radial air-gap flux density and electromagnetic force were obtained by combining boundary conditions,so as to obtain the steady-state electromagnetic characteristics of the drive device.The results show that the minimum solving error between the analytical model and the finite element model is 0.6%,the maximum error is 6.6%,and the error of the experimental model is less than 2.5%.The finite element and experimental results verify the correctness and accuracy of the model.This method has a simple solution process and good universality on the premise of ensuring the solution accuracy,which lays a theoretical foundation for the modular design of electromagnetic linear drive device and the control without displacement sensor,and has a certain theoretical significance and engineering application value to enrich and develop the control method of all-electric integrated power system.