Moreover, due to the general symmetry of fuzzy rule base and membership functions, the problem space to be optimized can be halved, which results in better stability and convergent property.

• 另外，由于模糊规则库和隶属度函数通常都具有对称的特点，控制器优化时可将搜索空间减半，从而使稳定性、收敛性得到显著提高。