A condition or fact attending an event and having some bearing on it ; a determining or modifying factor 境遇參與事件并與其有某種聯(lián)系的條件或事實(shí);決定因素或影響因素
A fuzzy control scheme with a fitted modifying factor was proposed according to in herent characteristics and performance requirement of active magnetic bearings ( amb ) 摘要結(jié)合主動(dòng)磁力軸承( amb )自身特性和性能需要,提出了一種擬合修正因子模糊控制器設(shè)計(jì)方法。
Simulation results show that , using the proposed fuzzy controller with a fitted modifying factor , the dynamics and steady - state performances are improved efficiently 仿真結(jié)果表明擬合修正因子模糊控制器能得到很好的控制效果,有效地改善磁力軸承的動(dòng)態(tài)性能和穩(wěn)態(tài)性能。
In order to minimize the value of the improved integral time multiplied absolute error ( itae ) performance index , the simplex method was used to optimize the fuzzy controller with 4 modifying factors 采用單純形法對(duì)4修正因子模糊控制器的4個(gè)修正因子進(jìn)行優(yōu)化,以使改進(jìn)的itae性能指標(biāo)最小。
For the fuzzy controller with a fitted modifying factor , a third - order polynomial was used to approximate the former four modifying factors , without the quantization of input and output variables 在擬合修正因子模糊控制器中,采用一個(gè)3階多項(xiàng)式對(duì)優(yōu)化得到的4個(gè)修正因子運(yùn)用最小二乘法進(jìn)行逼近,且不再對(duì)輸入和輸出進(jìn)行量化處理。
Conventional power system stabilizer ( cpss ) has such shortcoming as complex design , fussy parameter testing , poor adaptability and so on . in this article formula fuzzy control algorithm is put into the design of pss . quantified factors and modifying factors , which have large effect on the performance of formula fpss , are optimized 本文針對(duì)傳統(tǒng)電力系統(tǒng)穩(wěn)定器( cpss )設(shè)計(jì)復(fù)雜、參數(shù)調(diào)試繁瑣、適應(yīng)性差等缺點(diǎn),將一種公式型模糊控制算法應(yīng)用于pss設(shè)計(jì),并對(duì)公式型模糊電力系統(tǒng)穩(wěn)定器的性能影響較大的量化因子和修正因子進(jìn)行優(yōu)化,從而設(shè)計(jì)出一種自尋優(yōu)模糊電力系統(tǒng)穩(wěn)定器( sofpss ) 。