系统的闭环传递函数C(s)/R(s)为ωn2/(s2+2ξωns+ωn2)误差定义为e=r-c,试求系统在r(t)为l(t)、tl(t)时的稳态误差。

系统的闭环传递函数C(s)/R(s)为ωn2/(s2+2ξωns+ωn2)误差定义为e=r-c,试求系统在r(t)为l(t)、tl(t)时的稳态误差。


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