Last the stability analysis is given by means of linear matrix inequality (LMI) approach, and the control system is guaranteed to be stable within the large range.

使用线性矩阵不等式(LMI)方法进行了稳定性分析，保证了此控制系统的大范围稳定性。

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Results The solvent could be completely separated and the calibration curves of each solvent showed good linear relationship within a certain range. Conclusion The method is accurate and reliable.

结果待测物均能得到很好的分离，峰面积与浓度呈良好线性关系，精密度良好。

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