Optimization method of low-power triaxial Helmholtz coil model

The invention relates to the technical field of modeling of Helmholtz coils, and particularly discloses a low-power three-axis Helmholtz coil model optimization method, which comprises the steps of S1, defining a target cubic magnetic field region; defining parameters: the side length of a homogeneous region, the minimum magnetic field of the homogeneous region and the magnetic field nonuniformity; s2, on the basis of a particle swarm algorithm, taking the minimum magnetic field non-uniformity as a first optimization target, and obtaining first m groups of coil parameters with the minimum magnetic field non-uniformity; s3, defining a power loss function f, and in the obtained m groups of coil parameters, taking the minimum total power loss as a second optimization target, and obtaining one group with the minimum total power loss and the minimum magnetic field non-uniformity in all parameter groups as the optimal coil parameters; and S4, establishing a low-power triaxial Helmholtz coil model according to the o