The way of developing follow torque is studied . a new kind of structure style of torquer with simple structure and new working principle is presented and is contrasted with the typical torquer in their function overall . 3 研究了提高力矩器跟踪力矩的方法,提出了一种全新的力矩器结构形式,并对其性能与典型力矩器进行了全面的对比研究; 3