解析建模最优控制——加速器磁铁电源控制的一种新方法

2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC) Pub Date : 2018-11-01 DOI:10.1109/PEAC.2018.8590625

Xiaojun Wang, Huajian Zhan, W. Shen, Fengjun Wu, Hongbin Yan, D. Gao

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引用次数: 0

摘要

高强度重离子加速器(HIAF)对磁体电源提出了很高的要求。为了解决其特殊要求，特别是对跟踪精度要求高的问题，提出了一种解析建模最优控制方法。为了得到最合适的磁体电源模型，考虑了磁体电源的自然离散性和连续性，并与其他建模方法进行了比较。此外，AMOC还将电源控制问题分解为单周期优化问题。与PI调节方法相比，该方法不需要耗费时间，依靠工程经验手动调节参数。面对不同的波形，其算法可以在每个周期结束时控制电流达到参考值。仿真结果验证了上述特点。在四极磁体电源上，初步验证了AMOC的工程可行性。

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Analytic Modeling Optimal Control — A New Method to Control Accelerator Magnet Power Supply

The High Intensity Heavy-ion Accelerator Facility (HIAF) places high demands on the magnet power supply. In order to solve its special requirements, especially the high tracking accuracy, Analytic Modeling Optimal Control (AMOC) is proposed. To get the most suitable model of magnet power supply, its natural discreteness and continuity are considered and discussed in detail by comparing with other modeling methods. In addition, AMOC decomposes the power supply control problem into a sing-cycle optimization problem. Compared with PI regulation, this method does not take time to manually adjust parameters with engineering experience. Facing different waveforms, its algorithm can control current to reach the reference value at the end of each cycle. These above characteristics are verified in the simulation. And on a quadropole magnet power supply, the engineering feasibility of AMOC has been initially verified.

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2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC)

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