圆感应同步器在采样伺服系统中的应用研究

对于用圆感应同步器做位置传感器的采样伺服系统,由于测量延迟的存在,导致采样时刻较大的测量误差.为解决上述问题,提出一种动态补偿方法,采用线性外推方法,对圆感应同步器数显表的测量输出进行动态修正,以减小由于测量延迟产生的测量误差,从而提高系统的动态跟踪精度.通过理论分析,给出了修正后测量误差的界.仿真和针对三轴转台系统的实验结果都表明了该方法的有效性. 

Application of Inductorsyn in Sampled Servo System

For the sampled servo system using inductorsyn as position sensor, the presence of measuring delay leads to large measuring error. In order to solve the problem mentioned above, a new dynamic compensation method using linear extrapolation scheme was presented to compensate the measured output of inductorsyn. Thus the measuring error induced by measuring delay was reduced, and the system tracking precision was enhanced. By theory analysis, the bound of measuring error after error correction was deduced. The simulation results and the experimental results applied to the three axis flight motion simulator demonstrate its validity.