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首页> 外文会议>IEEE Vehicle Power and Propulsion Conference >A Sliding Mode Control of a Hybrid Magnetic Bearing for Wayside Flywheel Energy Storage Systems
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A Sliding Mode Control of a Hybrid Magnetic Bearing for Wayside Flywheel Energy Storage Systems

机译：路旁飞轮储能系统的混合电磁轴承的滑模控制

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Recently, rail transportation agencies have been giving great interest to installing wayside energy storage systems (WESS) to store (for a short period of time) and recycle back the energy generated from regenerative braking systems. For economical and technical purposes, it is important to look for facilities to store energy for longer terms. Although a flywheel energy storage system is a promising technology for short period applications, the self-discharge problem impedes them from being applied in keeping energy for long periods. Magnetic bearings could be a good solution to improve the storability of FESS. However, they themselves could be a source for power loss. Thus hybrid magnetic bearings (HMB) are optimal solution for long-term FESS. To compensate the non-linear behavior of HMB, a sliding mode controller is proposed for stabilizing a rotor-HMB systems. Simulation results and a comparison to the decentralized PID controller with respect to the attenuation of rotor unbalance vibrations are presented.
机译：最近，铁路运输机构对安装路边能量存储系统（WESS）进行存储（短时间）并回收由再生制动系统产生的能量非常感兴趣。为了经济和技术目的，重要的是寻找能够长期存储能量的设施。尽管飞轮储能系统在短期应用中是一种有前途的技术，但自放电问题阻碍了它们在长期保持能量方面的应用。电磁轴承可能是提高FESS的可存储性的一个很好的解决方案。但是，它们本身可能会导致功率损耗。因此，混合磁轴承（HMB）是长期FESS的最佳解决方案。为了补偿HMB的非线性行为，提出了一种用于稳定转子HMB系统的滑模控制器。给出了仿真结果，并与分散PID控制器进行了转子不平衡振动衰减的比较。

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