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首页> 外文期刊>IEEE Transactions on Power Electronics >Coupled Fault-Tolerant Control of Primary Permanent-Magnet Linear Motor Traction Systems for Subway Applications
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Coupled Fault-Tolerant Control of Primary Permanent-Magnet Linear Motor Traction Systems for Subway Applications

机译：用于地铁应用的主永磁线性电动机牵引系统的耦合容错控制

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摘要

In this article, a coupled fault-tolerant control (C-FTC) is proposed for primary permanent-magnet linear motor traction system in subway applications. By coupling the faulty mover with a healthy mover, the proposed C-FTC can achieve continuous operation of the faulty mover, in which one or more current sensors fail. A healthy mover is determined as the reference mover. The switch-states of the reference mover are also applied to its mathematical model. As a result, synchronous currents of the reference mover are also estimated from its mathematical model, and they are treated as the reference currents of the mathematical model of the faulty mover. Hence, the switch-states of the faulty mover can be determined. Therefore, the faulty mover can be controlled without any current sensors. The key of C-FTC is to compensate the parameter variations and the nonlinear effects of the faulty mover drive system with those of a healthy mover drive system, which is the main contribution of this article. Comparing with the conventional current-sensorless control, C-FTC has stronger robustness to the parameter variations and the nonlinear effects. The effectiveness and robustness of the proposed C-FTC are verified by simulation and experimental results.
机译：在本文中，提出了一种耦合容错控制（C-FTC），用于地铁应用中的主永磁线性电动机牵引系统。通过通过健康的动力耦合故障动画，所提出的C-FTC可以实现故障移动器的连续操作，其中一个或多个电流传感器失败。健康的动机被确定为参考动画。参考移动器的交换机状态也应用于其数学模型。结果，还从其数学模型估计了参考主机的同步电流，并且它们被视为故障动画片的数学模型的参考电流。因此，可以确定故障移动器的开关状态。因此，可以在没有任何电流传感器的情况下控制故障动画。 C-FTC的关键是补偿有故障移动器驱动系统的参数变化和非线性效果与健康的动机驱动系统的效果，这是本文的主要贡献。与传统的电流无传感器控制相比，C-FTC对参数变化和非线性效果具有更强的鲁棒性。通过模拟和实验结果验证了所提出的C-FTC的有效性和鲁棒性。

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