We point out a mistake and the incorrect conclusion of the paper "H∞ output feedback control design of fuzzy dynamic systems via LMI" in Acta Automatica Sinica 2001,27(4). We also give the correction of the mistake.%本文指出了<自动化学报>2001年27卷4期上刊登的文章"基于LMI的模糊动态系统H∞输出反馈控制设计"中某些结论的不妥之处,并给出了修改.
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