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Study of Accuracy of Inertial Stabilization System (1st Report, Comparison of Characteristics of Stable Platform and Strapdown Schemes)

机译:惯性稳定系统精度研究(第一份报告,稳定平台的特性比较和捷联方案)

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摘要

The characteristics of two control schemes for inertial stabilization, stable platform and strap- down, are investigated, based primarily on the analysis of their transfer functions. Since the basic control structures of stable platform and strapdown schemes to suppress disturbed body motion are feedback and feedforward, respectively, sensor imperfection such as limited bandwidth and transport delay affects very differently to the two schemes; stability decrease for the stable platform scheme and error increase for the strapdown scheme. Flexibility affects also differently for the two schemes. A couple of design criteria for the tradeoff of the schemes are derived, and are illustrated by numerical examples.
机译:主要基于对传递函数的分析,研究了用于惯性稳定的两种控制方案(稳定平台和捷联系统)的特性。由于稳定平台的基本控制结构和抑制人体运动受干扰的捷联方案的基本控制结构分别是反馈和前馈,因此传感器缺陷(例如有限的带宽和传输延迟)对这两种方案的影响非常不同。稳定平台方案的稳定性下降,捷联方案的误差增加。灵活性对两种方案的影响也不同。推导了用于方案权衡的几个设计标准,并通过数值示例进行了说明。

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