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 2 H; e, d( [: j% a' e$ B) P; {' `! d错误使用 place (第 171 行) 4 h$ i4 c- w% T8 r0 @8 ?6 Y/ l/ eThe "place" command could not place the poles at the specified locations. Probable causes include: 8 `/ S& e: ^; s" G( [* (A,B) is nearly uncontrollable % l/ W# K0 X. [! _/ P J* The specified locations are too close to each other. c* k, [; }8 C( y1 e4 k% T
这是为什么啊?5 K4 O5 q0 c1 S) L" F: ^ P