The article concerns observing states of the Induction Motor (IM) using a Luenberger observer in the speed servo drive. The movement of the motor and observer roots is analyzed for a variable speed. Following the analysis, a new method for gain e

The differential Hall sensor IC detects the motion and position of ferromagnetic and permanent magnet structures by measuring the differential flux density of the magnetic field.

经典二维漏磁检测模型，自己用，漏磁检测方向科研入门必备命令流。-Classic 2-d magnetic flux leakage testing model, for my own use, the magnetic flux leakage testing necessary command flow direction introduction to scientific research.

经典三维漏磁检测模型，管道漏磁检测模型，网格已划分，结果正确，希望帮到初学者们。-Classic 3-d model of magnetic flux leakage testing, pipeline magnetic flux leakage testing model, the grid is divided, the result is correct, hope to help beginners.

经典三维漏磁检测模型，罐底以及平板材料漏磁检测模型，网格已划分，结果正确，希望帮到初学者们。-Classic 3-d model of magnetic flux leakage testing, the tank bottom or plate material magnetic flux leakage testing model, the grid is divided, the result is correct, hope to help beginners.