The thesis introduces a principle and a characteristic of structure of a new type of transducer called magnetostrictive pick-up, which is applied to constant tension control system of warp of a loom.

• 介绍了一种新型-磁致伸缩传感器的工作原理和结构特点,以及该传感器在织机经纱恒张力控制系统中的应用。