开环系统可观性和可控性矩阵满秩,配置极点时尝试多组极点,总是出现 * [- g$ _+ z0 g& h: l& N S0 \错误使用 place (第 171 行) 7 u% S& x8 Y* OThe "place" command could not place the poles at the specified locations. Probable causes include: % w _% \# s8 H! W! y- f0 G% F$ y* (A,B) is nearly uncontrollable. @2 {/ K( y+ L
* The specified locations are too close to each other. 2 ~ T9 ]7 s7 W; H这是为什么啊?3 c) i4 F2 ~3 @3 u k# z