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中文摘要：
认为控制器参数具有添加剂围住标准的不确定性当认识到时，为不明确的系统的柔韧的非易碎的 H 无穷控制器的一个设计方法在这篇论文基于三角洲操作符理论被说明。一足够；为控制器的存在的必要状况被给形式，它在 LMI 被介绍。最后，设计方法在永久磁铁的速度控制系统被使用线性同步马达(PMLSM ) 。与设计控制器，结果的速度靠近环的系统仍然是稳定的；就算样品时期被减少，有期望的 H 无穷表演；控制器的参数；控制目标具有变化。结果证明设计方法是有效的。
英文摘要：
Considering that the controller parameters are of additive norm-bounded uncertainties when realized, a design method of robust non-fragile H-infinity controller for uncertain systems based on Delta operator theory is illustrated in this paper. A sufficient and necessary condition of the existence for the controller is given, which is presented in LMI forms. Finally, the designed method is used in the speed control system of a permanent magnet linear synchronous motor （PMLSM）. With the designed controller, the resulting speed closed-loop system is still stable and has the expected Hinfinity performance even if the sample period is reduced and the parameters of the controller and the controlled object are varied. The results show that the designed method is effective.
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