陀螺半罗盘纬度误差的补偿

Compensation for Latitude Error of Gyroscope Half Compass

陀螺半罗盘纬度误差的造成,除陀螺旋转存在静不平衡力矩与摩擦力矩外,还受到地球自转的影响。其补偿方法含:用调整螺钉在内环轴上加不平衡力矩,或在内环轴上加装方位修正电机,或采用单片机软硬件技术进行数字控制。试验证明,前二者简单但精度差,后者精度高且更适用。

The gyroscope half compass latitude error is formed by static-state unbalanced torque and friction, also by the earth self-rotation. It can be compensated to use the adjustment bolt to add unbalanced torque or add the directions revising motor on the inside frame, or to control numerically by single-chip computer. The experiment showed the front two methods were simple but the accuracy was bad, and the latter accuracy was higher and more available.