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Measuring simulation fidelity through an adaptive pilot model

机译:通过自适应导频模型测量仿真保真度

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The paper presents a new approach to the quantification of simulation fidelity based on an analysis of pilot guidance strategy. The manoeuvre guidance portrait is conceived as the solution to a low-order equivalent system and to properly allow for pilot adaptation to changing cues and task demands, the model parameters are allowed to vary. Thus the concept of the Adaptive Pilot Model (APM) is proposed and developed. The theoretical foundation to the concept is developed using the familiar spatial variables in flight control, such as distance and speed. Motion is then transformed into temporal variables and drawing on the theory of τ(t)-coupling from visual flow theory (τ(t) is the instantaneous time to contact) the APM model is transformed into a much simpler algebraic relationship when the pilot maintains constant τ during a deceleration. If we make assumptions about the separation of guidance and stabilisation control strategy, pilot guidance feedback gains are then closely related to the frequency and damping of the APM structure. Results are presented from the analysis of simulation trials with pilots flying an acceleration-deceleration manoeuvre that show strong correlation with the τ(t)-based guidance strategy. The interpretation of the theory in terms of simulation fidelity criteria is discussed.
机译:本文基于对飞行员制导策略的分析,提出了一种量化逼真度的新方法。机动制导肖像被认为是低阶等效系统的解决方案,为了使飞行员能够适应不断变化的线索和任务需求,模型参数可以改变。因此,提出并发展了自适应飞行员模型(APM)的概念。该概念的理论基础是使用飞行控制中熟悉的空间变量(例如距离和速度)开发的。然后将运动转换为时间变量,并根据视觉流理论(τ(t)是接触的瞬时时间),基于τ(t)-耦合理论,将APM模型转换为飞行员保持的简单的代数关系。减速时的常数τ。如果我们假设制导和稳定控制策略是分开的,那么飞行员制导的反馈增益将与APM结构的频率和阻尼密切相关。结果来自模拟试验的分析,其中飞行员进行了加减速机动,与基于τ(t)的制导策略密切相关。讨论了根据仿真保真度标准对理论的解释。

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