To overcome the difficult control problem of the braking force in the linear permanent magnet brakes, a novel double sided flux adjustable linear permanent magnet eddy current brake is presented. The structure and operation principle are addressed. To avoid the excessive computation time and cost of adopting the numerical method, a practical analytical model based on the magnetic equivalent circuit method is established, and verified using 3D finite element analysis. Finally, further analysis employing the developed analytical model is carried out to explore the influence of key parameters on the braking force characteristic.

linear permanent magnet brakes，magnetic equivalent circuit method，braking force