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 5 n: [% S! h- N) y) U8 ]错误使用 place (第 171 行)$ |! }- x5 `7 N$ y
The "place" command could not place the poles at the specified locations. Probable causes include: 5 x; t" @$ C" c3 a6 c3 B- @* (A,B) is nearly uncontrollable ) V( s4 V0 z" j! @' _* A* The specified locations are too close to each other.2 r: J' C1 p2 |* T/ {+ R. `
这是为什么啊? 4 A- r" W" j4 a8 h