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针对单级线圈磁路磁流变阻尼器在给定励磁电流和磁阻时,通过增加线圈的匝数方法实现磁路中总的磁通量增加,会导致活塞整体结构增大问题,提出了提高磁流变阻尼器力学性能的双线圈磁路结构。仿真与试验结果表明:双级线圈磁路结构中通入反向等值电流时,活塞与工作缸的间隔处磁力线的密度较为集中,两线圈间隔处磁力线叠加,更好的发挥了两级线圈的作用。
Aiming at the single-stage coil magnetoresistive damper, given the excitation current and reluctance, the total magnetic flux increase in the magnetic circuit can be achieved by increasing the number of turns of the coil, which leads to the problem of increasing the overall structure of the piston. Rheological damper mechanical properties of dual coil magnetic circuit structure. The simulation and experimental results show that the magnetic flux density at the interval between the piston and the working cylinder is more concentrated when the reverse equivalent current is introduced into the magnetic circuit structure of the two-stage coil, and the magnetic lines of force are superposed at the intervals of the two coils, so that the two-stage coil Role.