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为解决内窥镜在人体内部的定位,以及永磁体建模解析式过于复杂不利于快速计算的问题,提出了一种基于三点定位原理的定位方法,并利用数据拟合法对永磁场数据进行拟合,得到简化的永磁场解析表达式反求位置坐标的方法。并对简化的结果和直接建模仿真结果进行比较,发现该定位方法及简化确实可行。
In order to solve the problem that the endoscope is positioned inside the human body and the analytic formula of permanent magnet is too complicated to be quickly calculated, a positioning method based on the three-point positioning principle is proposed and the data fitting method is applied to the data of the permanent magnetic field Fitting, to obtain a simplified method of resolving the position coordinates of the analytical expression of the permanent magnetic field. The comparison between the simplified results and the direct modeling and simulation results shows that the positioning method and simplification are feasible.