A unique type of floating controller ; the output may change at two or more rates , each corresponding to a definite range of values of the actuating error signal 一種獨(dú)特類型的浮點(diǎn)控制器,其輸出可以按兩個(gè)或多個(gè)速率改變,每一速率對(duì)應(yīng)于一個(gè)確定的激發(fā)誤差信號(hào)的值域。