In motor racing, for instance, if a driver is taken to hospital after a crash the metal in the capsule would prevent the use of an MRI scanner, which is essentially a powerful magnet.

以赛车为例，如果一名驾驶员在撞车后被送往医院，胶囊中带有的金属就会使核磁共振扫描失效，因为核磁共振仪最核心的装置是一块强磁铁。

youdao

The paper presents a control system of an interior permanent magnet synchronous motor (IPM PM) for elevator driver without gear box. The system is based on DSP embedded processor.

针对无齿轮电梯对电机拖动的要求，实现了一种基于DSP嵌入式芯片的永磁同步电机调速系统。

youdao