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Dynamic calibration method for SINS lever-arm effect for HCVs

机译:HCV SINS杠杆效应的动态标定方法

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摘要

A dynamic calibration method for the lever-arm effect of the Strap-Down Inertial Navigation System (SINS) on hypersonic cruise vehicles is proposed. The lever-arm length is extended as the state variables of the Kalman filter; the model of the lever-arm effect is built, and observability is analyzed. Simulation results show that the proposed method can effectively calibrate the lever-arm length. The calibration results are utilized to compensate the lever-arm effect, and the accuracy of SINS is improved.
机译:提出了捷联惯性导航系统(SINS)对高超音速巡航舰杠杆效应的动态标定方法。杠杆臂的长度作为卡尔曼滤波器的状态变量而扩展;建立了杠杆效应模型,并分析了可观察性。仿真结果表明,该方法可以有效地校正杠杆臂的长度。利用校准结果补偿杠杆效应,提高了捷联惯导系统的精度。

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