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APPLICATION OF H_∞ DESIGN ON ATV CONTROL LOOP DURING THE RENDEZVOUS PHASE

机译：H_∞设计在交会阶段在ATV控制回路中的应用

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摘要

The Automated Transfer Vehicle (ATV) is a European cargo transfer vehicle designed to contribute to the logistic servicing of the International Space Station (ISS). During the final approach to the docking port, several disturbances can degrade the performances at mechanical contact. This paper shall focus on the design of the ATV position controller used for final approach and it is organised as follows. The general problem of ATV to ISS docking is first described, and especially the different Guidance, Navigation and Control (GNC) functions requirements as well as the environmental perturbations likely to disturb the control loop. In the second part, a discrete H_∞ control approach is applied to the position control loop. Methodology, design and tuning are then fully described and illustrated with ATV application. Lastly, GNC algorithms performances are presented to show their compliance with the requirements.
机译：自动转运车（ATV）是一种欧洲货物转运车，旨在为国际空间站（ISS）的后勤服务做出贡献。在最后到达对接端口的过程中，一些干扰会降低机械接触时的性能。本文将重点介绍用于最终进近的ATV位置控制器的设计，其组织如下。首先描述了ATV到ISS对接的一般问题，尤其是不同的制导，导航和控制（GNC）功能要求以及可能干扰控制回路的环境干扰。在第二部分中，将离散H_∞控制方法应用于位置控制环。然后使用ATV应用程序对方法，设计和调整进行全面描述和说明。最后，介绍了GNC算法的性能以表明其符合要求。

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