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首页> 外文期刊>Mechatronics, IEEE/ASME Transactions on >Application of Frequency-Following Servocompensator to Unbalance Compensation in Gyro With Flexures Gimbal
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Application of Frequency-Following Servocompensator to Unbalance Compensation in Gyro With Flexures Gimbal

机译：频率跟随伺服补偿器在挠性万向节陀螺仪不平衡补偿中的应用

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摘要

A frequency-following servocompensator is applied to a rotary gyro with flexures gimbal to eliminate the oscillating components from the estimated signals. In the targeted gyro, a synchronous motor is fixed to a rectangular holder and a disk-type rotor is driven by the motor to generate gyroscopic couplings. The coupled two rotational motions of the holder are controlled by four electromagnets on the stator; the angular velocities are estimated from the control currents to regulate the relative displacement of the holder to the stator. The other four-degree-of-freedom motions of the holder are constrained by the flexures gimbal. Such suspension using flexures makes the system less damped so that high accuracy is expected to this gyro. However, one of the problems is that an oscillating component caused by rotor unbalance appears in the estimated signal because the estimation is based on the control input. To solve this problem, the frequency-tracking servocompensator is applied to eliminate the oscillating component. The virtually perfect elimination of the component from the estimated signal was achieved.
机译：跟随频率的伺服补偿器应用于具有挠性万向节的旋转陀螺仪，以从估计的信号中消除振荡分量。在目标陀螺仪中，同步电动机固定在矩形支架上，并且由电动机驱动盘形转子以产生陀螺仪联轴器。支架的耦合的两个旋转运动由定子上的四个电磁体控制；根据控制电流估算角速度，以调节支架相对于定子的相对位移。支架的其他四个自由度运动受挠性万向架的约束。这种使用挠曲的悬架使系统的阻尼较小，因此该陀螺仪具有很高的精度。然而，问题之一是由转子不平衡引起的振荡分量出现在估计信号中，因为估计是基于控制输入的。为了解决这个问题，采用了频率跟踪伺服补偿器来消除振荡成分。从估计的信号中几乎完全消除了该分量。

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