The method uses the numerator-denominator perturbation representation and includes the partial pole placement technique and a new weighting function selection method. This overcomes certain conventional H ∞ PSS design algorithm limitations. 该方法采用了分子&分母双扰动表达形式、部分极点配置技术和一种新的加权函数选择方法,从而克服了某些传统PSS设计方法中受到的限制。