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首页> 外文期刊>IEEE / ASME Transactions on Mechatronics >Distributed and Reliable Output Feedback Control of Spacecraft Formation With Velocity Constraints and Time Delays
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Distributed and Reliable Output Feedback Control of Spacecraft Formation With Velocity Constraints and Time Delays

机译：具有速度约束和时滞的航天器编队的分布式可靠输出反馈控制

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This article studies the reliable and coordinated control problem of formation flying spacecraft without velocity measurement. External disturbances and directed communication topology, which explicitly has bounded communication delays, are considered. A novel observer is preliminarily designed to ensure a precise and fast estimation of immeasurable velocity. A virtual velocity input is then synthesized for the kinematics. In accordance, a finite-time and velocity-free controller is finally developed for the dynamics with the virtual velocity precisely followed after a finite time. The velocity-free control strategy can ensure the formation spacecraft to follow their desired relative trajectories in a coordinated manner. Numerical simulation is also conducted to validate the performance of the designed scheme.
机译：本文研究了没有速度测量的编队飞行航天器的可靠协调控制问题。考虑外部干扰和定向通信拓扑，这些拓扑显式地具有有限的通信延迟。初步设计了一种新颖的观察器，以确保精确，快速地估计不可测量的速度。然后为运动学合成虚拟速度输入。因此，最终开发出了一种用于动力学的有限时间无速度控制器，在有限时间后精确跟踪了虚拟速度。无速度控制策略可以确保编队航天器以协调的方式遵循其所需的相对轨迹。还进行了数值模拟，以验证设计方案的性能。

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