模糊控制系统的稳定性分析和设计方法一直是较活跃的研究课题。
The analysis and design of controllers for fuzzy control systems have been an active question for a long time.
提出用快速傅立叶变换计算二维模糊控制器的描述函数，并用来判别模糊控制系统的稳定性。
In order to analyze the stability of fuzzy control systems, the description function of fuzzy controller is calculated by using the fast Fourier transformation.
文章通过对控制表的改进，提高了模糊控制系统的稳定性，其仿真程序具有一定的通用性、可扩性。
This paper modifies control table to raise the level of stability ot fuzzy control systems, and the program of simulation is general and extensive on some degree.
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