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中文摘要：
交流主动磁轴承采用三相逆变器驱动，能够降低功放损耗，减小体积，降低磁轴承整体成本，且逆变器易于与DSP连接，实现磁轴承高速高精数字控制。在介绍交流磁轴承的结构和工作原理基础上，导出了磁轴承径向悬浮力的数学模型。依据试验样机需要满足的性能要求，对磁轴承主要参数进行了设计和优化，并利用Ansoft有限元软件对径向悬浮力进行了分析，最后对交流磁轴承进行了静态起浮和扰动实验。理论研究和试验表明，交流主动磁轴承的磁路结构设计合理，静态悬浮力和最大悬浮力满足性能要求，对研制高性能低成本交流磁轴承具有参考和应用价值。
英文摘要：
The AC active magnetic bearing （AMB） is driven by a 3-phase power converter, which can reduce the loss of power amplifier, decrease the volume and overall cost. It can be easily connected with DSP controller and can realize digital control with higher speed and higher accuracy. Based on the configuration and operation principle of the AC active magnetic bearing, the mathematical model of the radial suspension force was deduced. According to the performance requirement from the experiment prototype, the parameters of the AC AMB were designed and optimized. The radial suspension force of the rotor was analyzed by using Ansoft finite element software, and the static suspension and disturbance experiments of the AC AMB were carried out finally. The theory analysis and the experimental results show that the magnetic circuit of the AC AMB is correct and the static suspension force and the maximum suspension force satisfy design requirements. It provides reference and application value for developing high performance and low cost AC active magnetic bearings.
同期刊论文项目
同项目期刊论文
Dynamic decoupling control of electro-spindle supported by AC hybrid magnetic bearings based on neur
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